* [musl] add loongarch64 port v4 @ 2022-06-08 3:56 王洪亮 2022-06-14 7:23 ` [musl] " 王洪亮 0 siblings, 1 reply; 7+ messages in thread From: 王洪亮 @ 2022-06-08 3:56 UTC (permalink / raw) To: musl [-- Attachment #1: Type: text/plain, Size: 597 bytes --] Hi, I published loongarch64 port v4 in https://github.com/loongson/musl/tree/loongarch-v2.0. fixed the following problems: 1.fixed the extension field of struct mcontext 2.removed arch/loongarch64/kstat.h 3.deleted the incorrect definition in arch/loongarch64/reloc.h 4.optimize dlsym please code review if there are any other problems ? thanks. I have one questions: Through add "long__uc_pad" in struct ucontext_t to meet the extcontext[] 16 bytes alignment, if run in loongarch32, this method not meet the 16 bytes alignment requirement. how to do it ? Hongliang Wang. [-- Attachment #2: 0001-add-loongarch64-port-v4.patch --] [-- Type: text/x-patch, Size: 47132 bytes --] From 5535c500f137c3cb9ad36c7c96e7aaca440c85bd Mon Sep 17 00:00:00 2001 From: wanghongliang <wanghongliang@loongson.cn> Date: Wed, 8 Jun 2022 01:42:12 +0800 Subject: [PATCH] add loongarch64 port v4. Author: xiaojuanZhai <zhaixiaojuan@loongson.cn> Author: meidanLi <limeidan@loongson.cn> Author: guoqiChen <chenguoqi@loongson.cn> Author: xiaolinZhao <zhaoxiaolin@loongson.cn> Author: Fanpeng <fanpeng@loongson.cn> Author: jiantaoShan <shanjiantao@loongson.cn> Author: xuhuiQiang <qiangxuhui@loongson.cn> Author: jingyunHua <huajingyun@loongson.cn> Author: liuxue <liuxue@loongson.cn> Author: wanghongliang <wanghongliang@loongson.cn Signed-off-by: wanghongliang <wanghongliang@loongson.cn> --- arch/loongarch64/atomic_arch.h | 53 ++++ arch/loongarch64/bits/alltypes.h.in | 18 ++ arch/loongarch64/bits/fenv.h | 20 ++ arch/loongarch64/bits/float.h | 16 ++ arch/loongarch64/bits/hwcap.h | 14 + arch/loongarch64/bits/posix.h | 2 + arch/loongarch64/bits/ptrace.h | 4 + arch/loongarch64/bits/reg.h | 66 +++++ arch/loongarch64/bits/setjmp.h | 1 + arch/loongarch64/bits/signal.h | 80 ++++++ arch/loongarch64/bits/stat.h | 18 ++ arch/loongarch64/bits/stdint.h | 20 ++ arch/loongarch64/bits/syscall.h.in | 303 +++++++++++++++++++++ arch/loongarch64/bits/user.h | 5 + arch/loongarch64/crt_arch.h | 14 + arch/loongarch64/pthread_arch.h | 13 + arch/loongarch64/reloc.h | 27 ++ arch/loongarch64/syscall_arch.h | 137 ++++++++++ configure | 1 + crt/loongarch64/crti.s | 15 + crt/loongarch64/crtn.s | 12 + include/elf.h | 66 +++++ src/fenv/loongarch64/fenv.S | 72 +++++ src/ldso/loongarch64/dlsym.s | 7 + src/setjmp/loongarch64/longjmp.S | 37 +++ src/setjmp/loongarch64/setjmp.S | 34 +++ src/signal/loongarch64/restore.s | 10 + src/signal/loongarch64/sigsetjmp.s | 29 ++ src/thread/loongarch64/__set_thread_area.s | 7 + src/thread/loongarch64/__unmapself.s | 7 + src/thread/loongarch64/clone.s | 47 ++++ src/thread/loongarch64/syscall_cp.s | 29 ++ 32 files changed, 1184 insertions(+) create mode 100644 arch/loongarch64/atomic_arch.h create mode 100644 arch/loongarch64/bits/alltypes.h.in create mode 100644 arch/loongarch64/bits/fenv.h create mode 100644 arch/loongarch64/bits/float.h create mode 100644 arch/loongarch64/bits/hwcap.h create mode 100644 arch/loongarch64/bits/posix.h create mode 100644 arch/loongarch64/bits/ptrace.h create mode 100644 arch/loongarch64/bits/reg.h create mode 100644 arch/loongarch64/bits/setjmp.h create mode 100644 arch/loongarch64/bits/signal.h create mode 100644 arch/loongarch64/bits/stat.h create mode 100644 arch/loongarch64/bits/stdint.h create mode 100644 arch/loongarch64/bits/syscall.h.in create mode 100644 arch/loongarch64/bits/user.h create mode 100644 arch/loongarch64/crt_arch.h create mode 100644 arch/loongarch64/pthread_arch.h create mode 100644 arch/loongarch64/reloc.h create mode 100644 arch/loongarch64/syscall_arch.h create mode 100644 crt/loongarch64/crti.s create mode 100644 crt/loongarch64/crtn.s create mode 100644 src/fenv/loongarch64/fenv.S create mode 100644 src/ldso/loongarch64/dlsym.s create mode 100644 src/setjmp/loongarch64/longjmp.S create mode 100644 src/setjmp/loongarch64/setjmp.S create mode 100644 src/signal/loongarch64/restore.s create mode 100644 src/signal/loongarch64/sigsetjmp.s create mode 100644 src/thread/loongarch64/__set_thread_area.s create mode 100644 src/thread/loongarch64/__unmapself.s create mode 100644 src/thread/loongarch64/clone.s create mode 100644 src/thread/loongarch64/syscall_cp.s diff --git a/arch/loongarch64/atomic_arch.h b/arch/loongarch64/atomic_arch.h new file mode 100644 index 00000000..bf4805c9 --- /dev/null +++ b/arch/loongarch64/atomic_arch.h @@ -0,0 +1,53 @@ +#define a_ll a_ll +static inline int a_ll(volatile int *p) +{ + int v; + __asm__ __volatile__ ( + "ll.w %0, %1" + : "=r"(v) + : "ZC"(*p)); + return v; +} + +#define a_sc a_sc +static inline int a_sc(volatile int *p, int v) +{ + int r; + __asm__ __volatile__ ( + "sc.w %0, %1" + : "=r"(r), "=ZC"(*p) + : "0"(v) : "memory"); + return r; +} + +#define a_ll_p a_ll_p +static inline void *a_ll_p(volatile void *p) +{ + void *v; + __asm__ __volatile__ ( + "ll.d %0, %1" + : "=r"(v) + : "ZC"(*(void *volatile *)p)); + return v; +} + +#define a_sc_p a_sc_p +static inline int a_sc_p(volatile void *p, void *v) +{ + long r; + __asm__ __volatile__ ( + "sc.d %0, %1" + : "=r"(r), "=ZC"(*(void *volatile *)p) + : "0"(v) + : "memory"); + return r; +} + +#define a_barrier a_barrier +static inline void a_barrier() +{ + __asm__ __volatile__ ("dbar 0" : : : "memory"); +} + +#define a_pre_llsc a_barrier +#define a_post_llsc a_barrier diff --git a/arch/loongarch64/bits/alltypes.h.in b/arch/loongarch64/bits/alltypes.h.in new file mode 100644 index 00000000..d1807aca --- /dev/null +++ b/arch/loongarch64/bits/alltypes.h.in @@ -0,0 +1,18 @@ +#define _Addr long +#define _Int64 long +#define _Reg long + +#define __BYTE_ORDER 1234 +#define __LONG_MAX 0x7fffffffffffffffL + +#ifndef __cplusplus +TYPEDEF int wchar_t; +#endif + +TYPEDEF float float_t; +TYPEDEF double double_t; + +TYPEDEF struct { long long __ll; long double __ld; } max_align_t; + +TYPEDEF unsigned nlink_t; +TYPEDEF int blksize_t; diff --git a/arch/loongarch64/bits/fenv.h b/arch/loongarch64/bits/fenv.h new file mode 100644 index 00000000..264cafb5 --- /dev/null +++ b/arch/loongarch64/bits/fenv.h @@ -0,0 +1,20 @@ +#define FE_INEXACT 0x010000 +#define FE_UNDERFLOW 0x020000 +#define FE_OVERFLOW 0x040000 +#define FE_DIVBYZERO 0x080000 +#define FE_INVALID 0x100000 + +#define FE_ALL_EXCEPT 0x1F0000 + +#define FE_TONEAREST 0x000 +#define FE_TOWARDZERO 0x100 +#define FE_UPWARD 0x200 +#define FE_DOWNWARD 0x300 + +typedef unsigned fexcept_t; + +typedef struct { + unsigned __cw; +} fenv_t; + +#define FE_DFL_ENV ((const fenv_t *) -1) diff --git a/arch/loongarch64/bits/float.h b/arch/loongarch64/bits/float.h new file mode 100644 index 00000000..719c7908 --- /dev/null +++ b/arch/loongarch64/bits/float.h @@ -0,0 +1,16 @@ +#define FLT_EVAL_METHOD 0 + +#define LDBL_TRUE_MIN 6.47517511943802511092443895822764655e-4966L +#define LDBL_MIN 3.36210314311209350626267781732175260e-4932L +#define LDBL_MAX 1.18973149535723176508575932662800702e+4932L +#define LDBL_EPSILON 1.92592994438723585305597794258492732e-34L + +#define LDBL_MANT_DIG 113 +#define LDBL_MIN_EXP (-16381) +#define LDBL_MAX_EXP 16384 + +#define LDBL_DIG 33 +#define LDBL_MIN_10_EXP (-4931) +#define LDBL_MAX_10_EXP 4932 + +#define DECIMAL_DIG 36 diff --git a/arch/loongarch64/bits/hwcap.h b/arch/loongarch64/bits/hwcap.h new file mode 100644 index 00000000..c9fa08f6 --- /dev/null +++ b/arch/loongarch64/bits/hwcap.h @@ -0,0 +1,14 @@ +/* HWCAP - Hardware Capabilities. + * Hardware information is not clear at present, leave it blank. + */ +#define HWCAP_LOONGARCH_CPUCFG (1 << 0) +#define HWCAP_LOONGARCH_FPU (1 << 1) +#define HWCAP_LOONGARCH_LSX (1 << 2) /* support 128bit vectors*/ +#define HWCAP_LOONGARCH_LASX (1 << 3) /* support 256bit vectors*/ +#define HWCAP_LOONGARCH_LBT (1 << 4) /* support LBT*/ +#define HWCAP_LOONGARCH_LVZ (1 << 5) /* support virtualization expansion*/ +#define HWCAP_LOONGARCH_CRC32 (1 << 7) /* support CRC32 check*/ +#define HWCAP_LOONGARCH_AES (1 << 6) +#define HWCAP_LOONGARCH_SHA1 (1 << 8) +#define HWCAP_LOONGARCH_SHA2 (1 << 9) +#define HWCAP_LOONGARCH_SHA3 (1 << 10) diff --git a/arch/loongarch64/bits/posix.h b/arch/loongarch64/bits/posix.h new file mode 100644 index 00000000..8068ce98 --- /dev/null +++ b/arch/loongarch64/bits/posix.h @@ -0,0 +1,2 @@ +#define _POSIX_V6_LP64_OFF64 1 +#define _POSIX_V7_LP64_OFF64 1 diff --git a/arch/loongarch64/bits/ptrace.h b/arch/loongarch64/bits/ptrace.h new file mode 100644 index 00000000..741fc668 --- /dev/null +++ b/arch/loongarch64/bits/ptrace.h @@ -0,0 +1,4 @@ +#define PTRACE_GET_THREAD_AREA 25 +#define PTRACE_SET_THREAD_AREA 26 +#define PTRACE_GET_WATCH_REGS 0xd0 +#define PTRACE_SET_WATCH_REGS 0xd1 diff --git a/arch/loongarch64/bits/reg.h b/arch/loongarch64/bits/reg.h new file mode 100644 index 00000000..5d3f92c5 --- /dev/null +++ b/arch/loongarch64/bits/reg.h @@ -0,0 +1,66 @@ +#undef __WORDSIZE +#define __WORDSIZE 64 +#define LOONGARCH64_EF_R0 0 +#define LOONGARCH64_EF_R1 1 +#define LOONGARCH64_EF_R2 2 +#define LOONGARCH64_EF_R3 3 +#define LOONGARCH64_EF_R4 4 +#define LOONGARCH64_EF_R5 5 +#define LOONGARCH64_EF_R6 6 +#define LOONGARCH64_EF_R7 7 +#define LOONGARCH64_EF_R8 8 +#define LOONGARCH64_EF_R9 9 +#define LOONGARCH64_EF_R10 10 +#define LOONGARCH64_EF_R11 11 +#define LOONGARCH64_EF_R12 12 +#define LOONGARCH64_EF_R13 13 +#define LOONGARCH64_EF_R14 14 +#define LOONGARCH64_EF_R15 15 +#define LOONGARCH64_EF_R16 16 +#define LOONGARCH64_EF_R17 17 +#define LOONGARCH64_EF_R18 18 +#define LOONGARCH64_EF_R19 19 +#define LOONGARCH64_EF_R20 20 +#define LOONGARCH64_EF_R21 21 +#define LOONGARCH64_EF_R22 22 +#define LOONGARCH64_EF_R23 23 +#define LOONGARCH64_EF_R24 24 +#define LOONGARCH64_EF_R25 25 +#define LOONGARCH64_EF_R26 26 +#define LOONGARCH64_EF_R27 27 +#define LOONGARCH64_EF_R28 28 +#define LOONGARCH64_EF_R29 29 +#define LOONGARCH64_EF_R30 30 +#define LOONGARCH64_EF_R31 31 + +#define LOONGARCH64_EF_SIZE 304 /* size in bytes */ + +#define EF_R0 LOONGARCH64_EF_R0 +#define EF_R1 LOONGARCH64_EF_R1 +#define EF_R2 LOONGARCH64_EF_R2 +#define EF_R3 LOONGARCH64_EF_R3 +#define EF_R4 LOONGARCH64_EF_R4 +#define EF_R5 LOONGARCH64_EF_R5 +#define EF_R6 LOONGARCH64_EF_R6 +#define EF_R7 LOONGARCH64_EF_R7 +#define EF_R8 LOONGARCH64_EF_R8 +#define EF_R9 LOONGARCH64_EF_R9 +#define EF_R10 LOONGARCH64_EF_R10 +#define EF_R11 LOONGARCH64_EF_R11 +#define EF_R12 LOONGARCH64_EF_R12 +#define EF_R13 LOONGARCH64_EF_R13 +#define EF_R14 LOONGARCH64_EF_R14 +#define EF_R15 LOONGARCH64_EF_R15 +#define EF_R16 LOONGARCH64_EF_R16 +#define EF_R17 LOONGARCH64_EF_R17 +#define EF_R18 LOONGARCH64_EF_R18 +#define EF_R19 LOONGARCH64_EF_R19 +#define EF_R20 LOONGARCH64_EF_R20 +#define EF_R21 LOONGARCH64_EF_R21 +#define EF_R22 LOONGARCH64_EF_R22 +#define EF_R23 LOONGARCH64_EF_R23 +#define EF_R24 LOONGARCH64_EF_R24 +#define EF_R25 LOONGARCH64_EF_R25 +#define EF_R26 LOONGARCH64_EF_R26 +#define EF_R27 LOONGARCH64_EF_R27 +#define EF_R28 LOONGARCH64_EF_R28 diff --git a/arch/loongarch64/bits/setjmp.h b/arch/loongarch64/bits/setjmp.h new file mode 100644 index 00000000..f4a7f8a3 --- /dev/null +++ b/arch/loongarch64/bits/setjmp.h @@ -0,0 +1 @@ +typedef unsigned long long __jmp_buf[22]; diff --git a/arch/loongarch64/bits/signal.h b/arch/loongarch64/bits/signal.h new file mode 100644 index 00000000..4db790e7 --- /dev/null +++ b/arch/loongarch64/bits/signal.h @@ -0,0 +1,80 @@ +#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \ + || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE) + +#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE) +#define MINSIGSTKSZ 4096 +#define SIGSTKSZ 16384 +#endif + +typedef unsigned long greg_t, gregset_t[32]; + +typedef struct sigcontext { + unsigned long pc; + gregset_t gregs; + unsigned int flags; + unsigned long extcontext[]; +} mcontext_t; + +struct sigaltstack { + void *ss_sp; + int ss_flags; + size_t ss_size; +}; + +typedef struct __ucontext +{ + unsigned long uc_flags; + struct __ucontext *uc_link; + stack_t uc_stack; + sigset_t uc_sigmask; + long __uc_pad; + mcontext_t uc_mcontext; +} ucontext_t; + +#define SA_NOCLDSTOP 1 +#define SA_NOCLDWAIT 2 +#define SA_SIGINFO 4 +#define SA_ONSTACK 0x08000000 +#define SA_RESTART 0x10000000 +#define SA_NODEFER 0x40000000 +#define SA_RESETHAND 0x80000000 +#define SA_RESTORER 0x04000000 + +#endif + +#define SIGHUP 1 +#define SIGINT 2 +#define SIGQUIT 3 +#define SIGILL 4 +#define SIGTRAP 5 +#define SIGABRT 6 +#define SIGIOT SIGABRT +#define SIGBUS 7 +#define SIGFPE 8 +#define SIGKILL 9 +#define SIGUSR1 10 +#define SIGSEGV 11 +#define SIGUSR2 12 +#define SIGPIPE 13 +#define SIGALRM 14 +#define SIGTERM 15 +#define SIGSTKFLT 16 +#define SIGCHLD 17 +#define SIGCONT 18 +#define SIGSTOP 19 +#define SIGTSTP 20 +#define SIGTTIN 21 +#define SIGTTOU 22 +#define SIGURG 23 +#define SIGXCPU 24 +#define SIGXFSZ 25 +#define SIGVTALRM 26 +#define SIGPROF 27 +#define SIGWINCH 28 +#define SIGIO 29 +#define SIGPOLL SIGIO +#define SIGPWR 30 +#define SIGSYS 31 +#define SIGUNUSED SIGSYS + +#define _NSIG 65 diff --git a/arch/loongarch64/bits/stat.h b/arch/loongarch64/bits/stat.h new file mode 100644 index 00000000..b7f4221b --- /dev/null +++ b/arch/loongarch64/bits/stat.h @@ -0,0 +1,18 @@ +struct stat { + dev_t st_dev; + ino_t st_ino; + mode_t st_mode; + nlink_t st_nlink; + uid_t st_uid; + gid_t st_gid; + dev_t st_rdev; + unsigned long __pad; + off_t st_size; + blksize_t st_blksize; + int __pad2; + blkcnt_t st_blocks; + struct timespec st_atim; + struct timespec st_mtim; + struct timespec st_ctim; + unsigned __unused[2]; +}; diff --git a/arch/loongarch64/bits/stdint.h b/arch/loongarch64/bits/stdint.h new file mode 100644 index 00000000..1bb147f2 --- /dev/null +++ b/arch/loongarch64/bits/stdint.h @@ -0,0 +1,20 @@ +typedef int32_t int_fast16_t; +typedef int32_t int_fast32_t; +typedef uint32_t uint_fast16_t; +typedef uint32_t uint_fast32_t; + +#define INT_FAST16_MIN INT32_MIN +#define INT_FAST32_MIN INT32_MIN + +#define INT_FAST16_MAX INT32_MAX +#define INT_FAST32_MAX INT32_MAX + +#define UINT_FAST16_MAX UINT32_MAX +#define UINT_FAST32_MAX UINT32_MAX + +#define INTPTR_MIN INT64_MIN +#define INTPTR_MAX INT64_MAX +#define UINTPTR_MAX UINT64_MAX +#define PTRDIFF_MIN INT64_MIN +#define PTRDIFF_MAX INT64_MAX +#define SIZE_MAX UINT64_MAX diff --git a/arch/loongarch64/bits/syscall.h.in b/arch/loongarch64/bits/syscall.h.in new file mode 100644 index 00000000..689ff36b --- /dev/null +++ b/arch/loongarch64/bits/syscall.h.in @@ -0,0 +1,303 @@ +#define __NR_io_setup 0 +#define __NR_io_destroy 1 +#define __NR_io_submit 2 +#define __NR_io_cancel 3 +#define __NR_io_getevents 4 +#define __NR_setxattr 5 +#define __NR_lsetxattr 6 +#define __NR_fsetxattr 7 +#define __NR_getxattr 8 +#define __NR_lgetxattr 9 +#define __NR_fgetxattr 10 +#define __NR_listxattr 11 +#define __NR_llistxattr 12 +#define __NR_flistxattr 13 +#define __NR_removexattr 14 +#define __NR_lremovexattr 15 +#define __NR_fremovexattr 16 +#define __NR_getcwd 17 +#define __NR_lookup_dcookie 18 +#define __NR_eventfd2 19 +#define __NR_epoll_create1 20 +#define __NR_epoll_ctl 21 +#define __NR_epoll_pwait 22 +#define __NR_dup 23 +#define __NR_dup3 24 +#define __NR3264_fcntl 25 +#define __NR_inotify_init1 26 +#define __NR_inotify_add_watch 27 +#define __NR_inotify_rm_watch 28 +#define __NR_ioctl 29 +#define __NR_ioprio_set 30 +#define __NR_ioprio_get 31 +#define __NR_flock 32 +#define __NR_mknodat 33 +#define __NR_mkdirat 34 +#define __NR_unlinkat 35 +#define __NR_symlinkat 36 +#define __NR_linkat 37 +#define __NR_umount2 39 +#define __NR_mount 40 +#define __NR_pivot_root 41 +#define __NR_nfsservctl 42 +#define __NR3264_statfs 43 +#define __NR3264_fstatfs 44 +#define __NR3264_truncate 45 +#define __NR3264_ftruncate 46 +#define __NR_fallocate 47 +#define __NR_faccessat 48 +#define __NR_chdir 49 +#define __NR_fchdir 50 +#define __NR_chroot 51 +#define __NR_fchmod 52 +#define __NR_fchmodat 53 +#define __NR_fchownat 54 +#define __NR_fchown 55 +#define __NR_openat 56 +#define __NR_close 57 +#define __NR_vhangup 58 +#define __NR_pipe2 59 +#define __NR_quotactl 60 +#define __NR_getdents64 61 +#define __NR3264_lseek 62 +#define __NR_read 63 +#define __NR_write 64 +#define __NR_readv 65 +#define __NR_writev 66 +#define __NR_pread64 67 +#define __NR_pwrite64 68 +#define __NR_preadv 69 +#define __NR_pwritev 70 +#define __NR3264_sendfile 71 +#define __NR_pselect6 72 +#define __NR_ppoll 73 +#define __NR_signalfd4 74 +#define __NR_vmsplice 75 +#define __NR_splice 76 +#define __NR_tee 77 +#define __NR_readlinkat 78 +#define __NR_sync 81 +#define __NR_fsync 82 +#define __NR_fdatasync 83 +#define __NR_sync_file_range 84 +#define __NR_timerfd_create 85 +#define __NR_timerfd_settime 86 +#define __NR_timerfd_gettime 87 +#define __NR_utimensat 88 +#define __NR_acct 89 +#define __NR_capget 90 +#define __NR_capset 91 +#define __NR_personality 92 +#define __NR_exit 93 +#define __NR_exit_group 94 +#define __NR_waitid 95 +#define __NR_set_tid_address 96 +#define __NR_unshare 97 +#define __NR_futex 98 +#define __NR_set_robust_list 99 +#define __NR_get_robust_list 100 +#define __NR_nanosleep 101 +#define __NR_getitimer 102 +#define __NR_setitimer 103 +#define __NR_kexec_load 104 +#define __NR_init_module 105 +#define __NR_delete_module 106 +#define __NR_timer_create 107 +#define __NR_timer_gettime 108 +#define __NR_timer_getoverrun 109 +#define __NR_timer_settime 110 +#define __NR_timer_delete 111 +#define __NR_clock_settime 112 +#define __NR_clock_gettime 113 +#define __NR_clock_getres 114 +#define __NR_clock_nanosleep 115 +#define __NR_syslog 116 +#define __NR_ptrace 117 +#define __NR_sched_setparam 118 +#define __NR_sched_setscheduler 119 +#define __NR_sched_getscheduler 120 +#define __NR_sched_getparam 121 +#define __NR_sched_setaffinity 122 +#define __NR_sched_getaffinity 123 +#define __NR_sched_yield 124 +#define __NR_sched_get_priority_max 125 +#define __NR_sched_get_priority_min 126 +#define __NR_sched_rr_get_interval 127 +#define __NR_restart_syscall 128 +#define __NR_kill 129 +#define __NR_tkill 130 +#define __NR_tgkill 131 +#define __NR_sigaltstack 132 +#define __NR_rt_sigsuspend 133 +#define __NR_rt_sigaction 134 +#define __NR_rt_sigprocmask 135 +#define __NR_rt_sigpending 136 +#define __NR_rt_sigtimedwait 137 +#define __NR_rt_sigqueueinfo 138 +#define __NR_rt_sigreturn 139 +#define __NR_setpriority 140 +#define __NR_getpriority 141 +#define __NR_reboot 142 +#define __NR_setregid 143 +#define __NR_setgid 144 +#define __NR_setreuid 145 +#define __NR_setuid 146 +#define __NR_setresuid 147 +#define __NR_getresuid 148 +#define __NR_setresgid 149 +#define __NR_getresgid 150 +#define __NR_setfsuid 151 +#define __NR_setfsgid 152 +#define __NR_times 153 +#define __NR_setpgid 154 +#define __NR_getpgid 155 +#define __NR_getsid 156 +#define __NR_setsid 157 +#define __NR_getgroups 158 +#define __NR_setgroups 159 +#define __NR_uname 160 +#define __NR_sethostname 161 +#define __NR_setdomainname 162 +#define __NR_getrlimit 163 +#define __NR_setrlimit 164 +#define __NR_getrusage 165 +#define __NR_umask 166 +#define __NR_prctl 167 +#define __NR_getcpu 168 +#define __NR_gettimeofday 169 +#define __NR_settimeofday 170 +#define __NR_adjtimex 171 +#define __NR_getpid 172 +#define __NR_getppid 173 +#define __NR_getuid 174 +#define __NR_geteuid 175 +#define __NR_getgid 176 +#define __NR_getegid 177 +#define __NR_gettid 178 +#define __NR_sysinfo 179 +#define __NR_mq_open 180 +#define __NR_mq_unlink 181 +#define __NR_mq_timedsend 182 +#define __NR_mq_timedreceive 183 +#define __NR_mq_notify 184 +#define __NR_mq_getsetattr 185 +#define __NR_msgget 186 +#define __NR_msgctl 187 +#define __NR_msgrcv 188 +#define __NR_msgsnd 189 +#define __NR_semget 190 +#define __NR_semctl 191 +#define __NR_semtimedop 192 +#define __NR_semop 193 +#define __NR_shmget 194 +#define __NR_shmctl 195 +#define __NR_shmat 196 +#define __NR_shmdt 197 +#define __NR_socket 198 +#define __NR_socketpair 199 +#define __NR_bind 200 +#define __NR_listen 201 +#define __NR_accept 202 +#define __NR_connect 203 +#define __NR_getsockname 204 +#define __NR_getpeername 205 +#define __NR_sendto 206 +#define __NR_recvfrom 207 +#define __NR_setsockopt 208 +#define __NR_getsockopt 209 +#define __NR_shutdown 210 +#define __NR_sendmsg 211 +#define __NR_recvmsg 212 +#define __NR_readahead 213 +#define __NR_brk 214 +#define __NR_munmap 215 +#define __NR_mremap 216 +#define __NR_add_key 217 +#define __NR_request_key 218 +#define __NR_keyctl 219 +#define __NR_clone 220 +#define __NR_execve 221 +#define __NR3264_mmap 222 +#define __NR3264_fadvise64 223 +#define __NR_swapon 224 +#define __NR_swapoff 225 +#define __NR_mprotect 226 +#define __NR_msync 227 +#define __NR_mlock 228 +#define __NR_munlock 229 +#define __NR_mlockall 230 +#define __NR_munlockall 231 +#define __NR_mincore 232 +#define __NR_madvise 233 +#define __NR_remap_file_pages 234 +#define __NR_mbind 235 +#define __NR_get_mempolicy 236 +#define __NR_set_mempolicy 237 +#define __NR_migrate_pages 238 +#define __NR_move_pages 239 +#define __NR_rt_tgsigqueueinfo 240 +#define __NR_perf_event_open 241 +#define __NR_accept4 242 +#define __NR_recvmmsg 243 +#define __NR_arch_specific_syscall 244 +#define __NR_wait4 260 +#define __NR_prlimit64 261 +#define __NR_fanotify_init 262 +#define __NR_fanotify_mark 263 +#define __NR_name_to_handle_at 264 +#define __NR_open_by_handle_at 265 +#define __NR_clock_adjtime 266 +#define __NR_syncfs 267 +#define __NR_setns 268 +#define __NR_sendmmsg 269 +#define __NR_process_vm_readv 270 +#define __NR_process_vm_writev 271 +#define __NR_kcmp 272 +#define __NR_finit_module 273 +#define __NR_sched_setattr 274 +#define __NR_sched_getattr 275 +#define __NR_renameat2 276 +#define __NR_seccomp 277 +#define __NR_getrandom 278 +#define __NR_memfd_create 279 +#define __NR_bpf 280 +#define __NR_execveat 281 +#define __NR_userfaultfd 282 +#define __NR_membarrier 283 +#define __NR_mlock2 284 +#define __NR_copy_file_range 285 +#define __NR_preadv2 286 +#define __NR_pwritev2 287 +#define __NR_pkey_mprotect 288 +#define __NR_pkey_alloc 289 +#define __NR_pkey_free 290 +#define __NR_statx 291 +#define __NR_io_pgetevents 292 +#define __NR_rseq 293 +#define __NR_kexec_file_load 294 +#define __NR_pidfd_send_signal 424 +#define __NR_io_uring_setup 425 +#define __NR_io_uring_enter 426 +#define __NR_io_uring_register 427 +#define __NR_open_tree 428 +#define __NR_move_mount 429 +#define __NR_fsopen 430 +#define __NR_fsconfig 431 +#define __NR_fsmount 432 +#define __NR_fspick 433 +#define __NR_pidfd_open 434 +#define __NR_clone3 435 +#define __NR_close_range 436 +#define __NR_openat2 437 +#define __NR_pidfd_getfd 438 +#define __NR_faccessat2 439 +#define __NR_process_madvise 440 +#define __NR_fcntl __NR3264_fcntl +#define __NR_statfs __NR3264_statfs +#define __NR_fstatfs __NR3264_fstatfs +#define __NR_truncate __NR3264_truncate +#define __NR_ftruncate __NR3264_ftruncate +#define __NR_lseek __NR3264_lseek +#define __NR_sendfile __NR3264_sendfile +#define __NR_mmap __NR3264_mmap +#define __NR_fadvise64 __NR3264_fadvise64 diff --git a/arch/loongarch64/bits/user.h b/arch/loongarch64/bits/user.h new file mode 100644 index 00000000..4d4cd534 --- /dev/null +++ b/arch/loongarch64/bits/user.h @@ -0,0 +1,5 @@ +#define ELF_NGREG 45 +#define ELF_NFPREG 33 + +typedef unsigned long elf_greg_t, elf_gregset_t[ELF_NGREG]; +typedef double elf_fpreg_t, elf_fpregset_t[ELF_NFPREG]; diff --git a/arch/loongarch64/crt_arch.h b/arch/loongarch64/crt_arch.h new file mode 100644 index 00000000..c806a0bf --- /dev/null +++ b/arch/loongarch64/crt_arch.h @@ -0,0 +1,14 @@ +__asm__( +".text \n" +".global " START "\n" +".type " START ", @function\n" +START ":\n" +" add.w $fp, $r0,$r0\n" +" or $a0, $sp, $zero\n" +".weak _DYNAMIC\n" +".hidden _DYNAMIC\n" +" la.local $a1, _DYNAMIC\n" +" addi.w $t7, $r0, -16\n" +" and $sp, $sp, $t7\n" +" b " START "_c\n" +); diff --git a/arch/loongarch64/pthread_arch.h b/arch/loongarch64/pthread_arch.h new file mode 100644 index 00000000..95ee4c7a --- /dev/null +++ b/arch/loongarch64/pthread_arch.h @@ -0,0 +1,13 @@ +static inline uintptr_t __get_tp() +{ + register uintptr_t tp __asm__("tp"); + __asm__ ("" : "=r" (tp) ); + return tp; +} + +#define TLS_ABOVE_TP +#define GAP_ABOVE_TP 0 + +#define DTP_OFFSET 0 + +#define MC_PC pc diff --git a/arch/loongarch64/reloc.h b/arch/loongarch64/reloc.h new file mode 100644 index 00000000..2f759a34 --- /dev/null +++ b/arch/loongarch64/reloc.h @@ -0,0 +1,27 @@ +#ifdef __loongarch64_soft_float +#define FP_SUFFIX "-sf" +#else +#define FP_SUFFIX "" +#endif + +#define LDSO_ARCH "loongarch64" FP_SUFFIX + +#define TPOFF_K (0x0) + +#define REL_PLT R_LARCH_JUMP_SLOT +#define REL_COPY R_LARCH_COPY +#define REL_DTPMOD R_LARCH_TLS_DTPMOD64 +#define REL_DTPOFF R_LARCH_TLS_DTPREL64 +#define REL_TPOFF R_LARCH_TLS_TPREL64 +#define REL_RELATIVE R_LARCH_RELATIVE +#define REL_SYMBOLIC R_LARCH_64 + +#define CRTJMP(pc,sp) __asm__ __volatile__( \ + "move $sp,%1 ; jr %0" : : "r"(pc), "r"(sp) : "memory" ) + +#define GETFUNCSYM(fp, sym, got) __asm__ ( \ + ".hidden " #sym "\n" \ + ".align 8 \n" \ + " la.local $t1, "#sym" \n" \ + " or %0, $t1, $zero \n" \ + : "=r"(*(fp)) : : "memory" ) diff --git a/arch/loongarch64/syscall_arch.h b/arch/loongarch64/syscall_arch.h new file mode 100644 index 00000000..ddd29578 --- /dev/null +++ b/arch/loongarch64/syscall_arch.h @@ -0,0 +1,137 @@ +#define __SYSCALL_LL_E(x) (x) +#define __SYSCALL_LL_O(x) (x) + +#define SYSCALL_CLOBBERLIST \ + "$t0", "$t1", "$t2", "$t3", \ + "$t4", "$t5", "$t6", "$t7", "$t8", "memory" + +static inline long __syscall0(long n) +{ + register long a7 __asm__("$a7") = n; + register long a0 __asm__("$a0"); + + __asm__ __volatile__ ( + "syscall 0" + : "=r"(a0) + : "r"(a7) + : SYSCALL_CLOBBERLIST); + return a0; +} + +static inline long __syscall1(long n, long a) +{ + register long a7 __asm__("$a7") = n; + register long a0 __asm__("$a0") = a; + + __asm__ __volatile__ ( + "syscall 0" + : "+r"(a0) + : "r"(a7) + : SYSCALL_CLOBBERLIST); + return a0; +} + +static inline long __syscall2(long n, long a, long b) +{ + register long a7 __asm__("$a7") = n; + register long a0 __asm__("$a0") = a; + register long a1 __asm__("$a1") = b; + + __asm__ __volatile__ ( + "syscall 0" + : "+r"(a0) + : "r"(a7), "r"(a1) + : SYSCALL_CLOBBERLIST); + return a0; +} + +static inline long __syscall3(long n, long a, long b, long c) +{ + register long a7 __asm__("$a7") = n; + register long a0 __asm__("$a0") = a; + register long a1 __asm__("$a1") = b; + register long a2 __asm__("$a2") = c; + + __asm__ __volatile__ ( + "syscall 0" + : "+r"(a0) + : "r"(a7), "r"(a1), "r"(a2) + : SYSCALL_CLOBBERLIST); + return a0; +} + +static inline long __syscall4(long n, long a, long b, long c, long d) +{ + register long a7 __asm__("$a7") = n; + register long a0 __asm__("$a0") = a; + register long a1 __asm__("$a1") = b; + register long a2 __asm__("$a2") = c; + register long a3 __asm__("$a3") = d; + + __asm__ __volatile__ ( + "syscall 0" + : "+r"(a0) + : "r"(a7), "r"(a1), "r"(a2), "r"(a3) + : SYSCALL_CLOBBERLIST); + return a0; +} + +static inline long __syscall5(long n, long a, long b, long c, long d, long e) +{ + register long a7 __asm__("$a7") = n; + register long a0 __asm__("$a0") = a; + register long a1 __asm__("$a1") = b; + register long a2 __asm__("$a2") = c; + register long a3 __asm__("$a3") = d; + register long a4 __asm__("$a4") = e; + + __asm__ __volatile__ ( + "syscall 0" + : "+r"(a0) + : "r"(a7), "r"(a1), "r"(a2), "r"(a3), "r"(a4) + : SYSCALL_CLOBBERLIST); + return a0; +} + +static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f) +{ + register long a7 __asm__("$a7") = n; + register long a0 __asm__("$a0") = a; + register long a1 __asm__("$a1") = b; + register long a2 __asm__("$a2") = c; + register long a3 __asm__("$a3") = d; + register long a4 __asm__("$a4") = e; + register long a5 __asm__("$a5") = f; + + __asm__ __volatile__ ( + "syscall 0" + : "+r"(a0) + : "r"(a7), "r"(a1), "r"(a2), "r"(a3), "r"(a4), "r"(a5) + : SYSCALL_CLOBBERLIST); + return a0; +} + +static inline long __syscall7(long n, long a, long b, long c, long d, long e, long f, long g) +{ + register long a7 __asm__("$a7") = n; + register long a0 __asm__("$a0") = a; + register long a1 __asm__("$a1") = b; + register long a2 __asm__("$a2") = c; + register long a3 __asm__("$a3") = d; + register long a4 __asm__("$a4") = e; + register long a5 __asm__("$a5") = f; + register long a6 __asm__("$a6") = g; + + __asm__ __volatile__ ( + "syscall 0" + : "+r"(a0) + : "r"(a7), "r"(a1), "r"(a2), "r"(a3), "r"(a4), "r"(a5), "r"(a6) + : SYSCALL_CLOBBERLIST); + return a0; +} + +#define VDSO_USEFUL +#define VDSO_CGT_SYM "__vdso_clock_gettime" +#define VDSO_CGT_VER "LINUX_2.6" + +#define IPC_64 0 diff --git a/configure b/configure index 6f5453f5..aac0c467 100755 --- a/configure +++ b/configure @@ -338,6 +338,7 @@ powerpc*|ppc*) ARCH=powerpc ;; riscv64*) ARCH=riscv64 ;; sh[1-9bel-]*|sh|superh*) ARCH=sh ;; s390x*) ARCH=s390x ;; +loongarch64*) ARCH=loongarch64 ;; unknown) fail "$0: unable to detect target arch; try $0 --target=..." ;; *) fail "$0: unknown or unsupported target \"$target\"" ;; esac diff --git a/crt/loongarch64/crti.s b/crt/loongarch64/crti.s new file mode 100644 index 00000000..96a754d3 --- /dev/null +++ b/crt/loongarch64/crti.s @@ -0,0 +1,15 @@ +.section .init +.global _init +_init: + addi.d $r3,$r3,-16 + st.d $fp,$r3,0 + st.d $ra,$r3,8 + addi.d $fp,$r3,16 + +.section .fini +.global _fini +_fini: + addi.d $r3,$r3,-16 + st.d $fp,$r3,0 + st.d $ra,$r3,8 + addi.d $fp,$r3,16 diff --git a/crt/loongarch64/crtn.s b/crt/loongarch64/crtn.s new file mode 100644 index 00000000..bffb18f4 --- /dev/null +++ b/crt/loongarch64/crtn.s @@ -0,0 +1,12 @@ +.section .init + ld.d $fp,$r3,0 + ld.d $ra,$r3,8 + addi.d $r3,$r3,16 + jirl $r0,$ra,0 + + +.section .fini + ld.d $fp,$r3,0 + ld.d $ra,$r3,8 + addi.d $r3,$r3,16 + jirl $r0,$ra,0 diff --git a/include/elf.h b/include/elf.h index 86e2f0bb..69b01ff4 100644 --- a/include/elf.h +++ b/include/elf.h @@ -697,6 +697,11 @@ typedef struct { #define NT_MIPS_FP_MODE 0x801 #define NT_MIPS_MSA 0x802 #define NT_VERSION 1 +#define NT_LOONGARCH_CPUCFG 0xa00 +#define NT_LOONGARCH_CSR 0xa01 +#define NT_LOONGARCH_LSX 0xa02 +#define NT_LOONGARCH_LASX 0xa03 +#define NT_LOONGARCH_LBT 0xa04 @@ -3288,6 +3293,67 @@ enum #define R_RISCV_SET32 56 #define R_RISCV_32_PCREL 57 +/* LoongISA ELF Flags */ +#define EM_LOONGARCH 258 + +#define EF_LARCH_ABI 0x0003 +#define EF_LARCH_ABI_LP64 0x0003 +#define EF_LARCH_ABI_LP32 0x0001 + +/* Loongarch specific dynamic relocations. */ +#define R_LARCH_NONE 0 +#define R_LARCH_32 1 +#define R_LARCH_64 2 +#define R_LARCH_RELATIVE 3 +#define R_LARCH_COPY 4 +#define R_LARCH_JUMP_SLOT 5 +#define R_LARCH_TLS_DTPMOD32 6 +#define R_LARCH_TLS_DTPMOD64 7 +#define R_LARCH_TLS_DTPREL32 8 +#define R_LARCH_TLS_DTPREL64 9 +#define R_LARCH_TLS_TPREL32 10 +#define R_LARCH_TLS_TPREL64 11 +#define R_LARCH_IRELATIVE 12 +#define R_LARCH_MARK_LA 20 +#define R_LARCH_MARK_PCREL 21 +#define R_LARCH_SOP_PUSH_PCREL 22 +#define R_LARCH_SOP_PUSH_ABSOLUTE 23 +#define R_LARCH_SOP_PUSH_DUP 24 +#define R_LARCH_SOP_PUSH_GPREL 25 +#define R_LARCH_SOP_PUSH_TLS_TPREL 26 +#define R_LARCH_SOP_PUSH_TLS_GOT 27 +#define R_LARCH_SOP_PUSH_TLS_GD 28 +#define R_LARCH_SOP_PUSH_PLT_PCREL 29 +#define R_LARCH_SOP_ASSERT 30 +#define R_LARCH_SOP_NOT 31 +#define R_LARCH_SOP_SUB 32 +#define R_LARCH_SOP_SL 33 +#define R_LARCH_SOP_SR 34 +#define R_LARCH_SOP_ADD 35 +#define R_LARCH_SOP_AND 36 +#define R_LARCH_SOP_IF_ELSE 37 +#define R_LARCH_SOP_POP_32_S_10_5 38 +#define R_LARCH_SOP_POP_32_U_10_12 39 +#define R_LARCH_SOP_POP_32_S_10_12 40 +#define R_LARCH_SOP_POP_32_S_10_16 41 +#define R_LARCH_SOP_POP_32_S_10_16_S2 42 +#define R_LARCH_SOP_POP_32_S_5_20 43 +#define R_LARCH_SOP_POP_32_S_0_5_10_16_S2 44 +#define R_LARCH_SOP_POP_32_S_0_10_10_16_S2 45 +#define R_LARCH_SOP_POP_32_U 46 +#define R_LARCH_ADD8 47 +#define R_LARCH_ADD16 48 +#define R_LARCH_ADD24 49 +#define R_LARCH_ADD32 50 +#define R_LARCH_ADD64 51 +#define R_LARCH_SUB8 52 +#define R_LARCH_SUB16 53 +#define R_LARCH_SUB24 54 +#define R_LARCH_SUB32 55 +#define R_LARCH_SUB64 56 +#define R_LARCH_GNU_VTINHERIT 57 +#define R_LARCH_GNU_VTENTRY 58 + #ifdef __cplusplus } #endif diff --git a/src/fenv/loongarch64/fenv.S b/src/fenv/loongarch64/fenv.S new file mode 100644 index 00000000..049234be --- /dev/null +++ b/src/fenv/loongarch64/fenv.S @@ -0,0 +1,72 @@ +#ifndef __loongarch_soft_float + +.global feclearexcept +.type feclearexcept,@function +feclearexcept: + li.w $a1, 0x1f0000 //flags in 16-20 bit of fcsr0. + and $a0, $a0, $a1 + movfcsr2gr $a1, $r0 + or $a1, $a1, $a0 + xor $a1, $a1, $a0 + movgr2fcsr $r0, $a1 + li.w $v0, 0 + jirl $zero, $ra, 0 + +.global feraiseexcept +.type feraiseexcept,@function +feraiseexcept: + li.w $a1, 0x1f0000 + and $a0, $a0, $a1 + movfcsr2gr $a1, $r0 + or $a1, $a1, $a0 + movgr2fcsr $r0, $a1 + li.w $v0, 0 + jirl $zero, $ra, 0 + +.global fetestexcept +.type fetestexcept,@function +fetestexcept: + li.w $a1, 0x1f0000 + and $a0, $a0, $a1 + movfcsr2gr $a1, $r0 + and $v0, $a1, $a0 + jirl $zero, $ra, 0 + +.global fegetround +.type fegetround,@function +fegetround: + movfcsr2gr $v0, $r0 + andi $v0, $v0, 0x300 //fcsr0.RM + jirl $zero, $ra, 0 + +.global __fesetround +.hidden __fesetround +.type __fesetround,@function +__fesetround: + movfcsr2gr $a1, $r0 + li.w $a2, -769 //0xfffffcff + and $a1, $a1, $a2 + or $a1, $a1, $a0 + movgr2fcsr $r0, $a1 + li.w $v0, 0 + jirl $zero, $ra, 0 + +.global fegetenv +.type fegetenv,@function +fegetenv: + movfcsr2gr $a1, $r0 + st.w $a1, $a0, 0 + li.w $v0, 0 + jirl $zero, $ra, 0 + +.global fesetenv +.type fesetenv,@function +fesetenv: + addi.d $a1, $a0, 1 + beq $a1, $r0, 1f + ld.w $a1, $a0, 0 +1: movgr2fcsr $r0, $a1 + li.w $v0, 0 + jirl $zero, $ra, 0 + +#endif diff --git a/src/ldso/loongarch64/dlsym.s b/src/ldso/loongarch64/dlsym.s new file mode 100644 index 00000000..5f51ed85 --- /dev/null +++ b/src/ldso/loongarch64/dlsym.s @@ -0,0 +1,7 @@ +.global dlsym +.hidden __dlsym +.type dlsym,@function +dlsym: + move $a2, $ra + la.global $r16, __dlsym + jirl $r0, $r16, 0 diff --git a/src/setjmp/loongarch64/longjmp.S b/src/setjmp/loongarch64/longjmp.S new file mode 100644 index 00000000..41d897ed --- /dev/null +++ b/src/setjmp/loongarch64/longjmp.S @@ -0,0 +1,37 @@ +.global _longjmp +.global longjmp +.type _longjmp,@function +.type longjmp,@function +_longjmp: +longjmp: + add.d $t5, $a0, $zero + add.d $v0, $a1, $zero + + bne $v0, $zero, 1f + addi.d $v0, $v0, 1 + +1: + ld.d $ra, $t5, 0 + ld.d $sp, $t5, 8 + ld.d $r21,$t5, 16 + ld.d $fp, $t5, 24 + ld.d $s0, $t5, 32 + ld.d $s1, $t5, 40 + ld.d $s2, $t5, 48 + ld.d $s3, $t5, 56 + ld.d $s4, $t5, 64 + ld.d $s5, $t5, 72 + ld.d $s6, $t5, 80 + ld.d $s7, $t5, 88 + ld.d $s8, $t5, 96 +#ifndef __loongarch64_soft_float + fld.d $fs0, $t5, 104 + fld.d $fs1, $t5, 112 + fld.d $fs2, $t5, 120 + fld.d $fs3, $t5, 128 + fld.d $fs4, $t5, 136 + fld.d $fs5, $t5, 144 + fld.d $fs6, $t5, 152 + fld.d $fs7, $t5, 160 +#endif + jirl $zero, $ra, 0 diff --git a/src/setjmp/loongarch64/setjmp.S b/src/setjmp/loongarch64/setjmp.S new file mode 100644 index 00000000..8dca3cb8 --- /dev/null +++ b/src/setjmp/loongarch64/setjmp.S @@ -0,0 +1,34 @@ +.global __setjmp +.global _setjmp +.global setjmp +.type __setjmp,@function +.type _setjmp,@function +.type setjmp,@function +__setjmp: +_setjmp: +setjmp: + st.d $ra, $a0, 0 + st.d $sp, $a0, 8 + st.d $r21,$a0, 16 + st.d $fp, $a0, 24 + st.d $s0, $a0, 32 + st.d $s1, $a0, 40 + st.d $s2, $a0, 48 + st.d $s3, $a0, 56 + st.d $s4, $a0, 64 + st.d $s5, $a0, 72 + st.d $s6, $a0, 80 + st.d $s7, $a0, 88 + st.d $s8, $a0, 96 +#ifndef __loongarch64_soft_float + fst.d $fs0, $a0, 104 + fst.d $fs1, $a0, 112 + fst.d $fs2, $a0, 120 + fst.d $fs3, $a0, 128 + fst.d $fs4, $a0, 136 + fst.d $fs5, $a0, 144 + fst.d $fs6, $a0, 152 + fst.d $fs7, $a0, 160 +#endif + xor $v0, $v0, $v0 + jirl $zero, $ra, 0 diff --git a/src/signal/loongarch64/restore.s b/src/signal/loongarch64/restore.s new file mode 100644 index 00000000..9bf015a0 --- /dev/null +++ b/src/signal/loongarch64/restore.s @@ -0,0 +1,10 @@ +.global __restore_rt +.global __restore +.hidden __restore_rt +.hidden __restore +.type __restore_rt,@function +.type __restore,@function +__restore_rt: +__restore: + ori $a7, $zero, 139 + syscall 0 diff --git a/src/signal/loongarch64/sigsetjmp.s b/src/signal/loongarch64/sigsetjmp.s new file mode 100644 index 00000000..d53f334a --- /dev/null +++ b/src/signal/loongarch64/sigsetjmp.s @@ -0,0 +1,29 @@ +.global sigsetjmp +.global __sigsetjmp +.type sigsetjmp,@function +.type __sigsetjmp,@function +sigsetjmp: +__sigsetjmp: + or $t5, $a0, $zero + or $t6, $a1, $zero + + # comparing save mask with 0, if equals to 0 then + # sigsetjmp is equal to setjmp. + beq $t6, $zero, 1f + st.d $ra, $t5, 168 + + # save base of got so that we can use it later + # once we return from 'longjmp' + la.global $t8, setjmp + jirl $ra, $t8, 0 + + or $v1, $v0, $zero # Return from 'setjmp' or 'longjmp' + ld.d $ra, $t5, 168 # Restore ra of sigsetjmp + or $a0, $t5, $zero + +.hidden __sigsetjmp_tail + la.global $t8, __sigsetjmp_tail + jirl $zero, $t8, 0 +1: + la.global $t8, setjmp + jirl $zero, $t8, 0 diff --git a/src/thread/loongarch64/__set_thread_area.s b/src/thread/loongarch64/__set_thread_area.s new file mode 100644 index 00000000..421cd381 --- /dev/null +++ b/src/thread/loongarch64/__set_thread_area.s @@ -0,0 +1,7 @@ +.global __set_thread_area +.hidden __set_thread_area +.type __set_thread_area,@function +__set_thread_area: + or $tp, $a0, $zero + ori $a0, $zero, 0 + jirl $zero, $ra, 0 diff --git a/src/thread/loongarch64/__unmapself.s b/src/thread/loongarch64/__unmapself.s new file mode 100644 index 00000000..b77e6d1d --- /dev/null +++ b/src/thread/loongarch64/__unmapself.s @@ -0,0 +1,7 @@ +.global __unmapself +.type __unmapself, @function +__unmapself: + li.d $a7, 215 + syscall 0 # call munmap + li.d $a7, 93 + syscall 0 # call exit diff --git a/src/thread/loongarch64/clone.s b/src/thread/loongarch64/clone.s new file mode 100644 index 00000000..ec920c7b --- /dev/null +++ b/src/thread/loongarch64/clone.s @@ -0,0 +1,47 @@ +#__clone(func, stack, flags, arg, ptid, tls, ctid) +# a0, a1, a2, a3, a4, a5, a6 +# sys_clone3(struct clone_args *cl_args, size_t size) +# a0 a1 + +.global __clone +.hidden __clone +.type __clone,@function +__clone: + # Save function pointer and argument pointer on new thread stack + addi.d $a1, $a1, -16 + st.d $a0, $a1, 0 # save function pointer + st.d $a3, $a1, 8 # save argument pointer + + li.d $t0, ~0x004000ff # mask CSIGNAL and CLONE_DETACHED + and $t1, $a2, $t0 # cl_args.flags + li.d $t0, 0x000000ff # CSIGNAL + and $t2, $a2, $t0 # cl_args.exit_signal + + bstrins.d $sp, $zero, 2, 0 # align stack to 8 bytes + addi.d $sp, $sp, -88 # struct clone_args + st.d $t1, $sp, 0 # flags + st.d $a4, $sp, 8 # pidfd + st.d $a6, $sp, 16 # child_tid + st.d $a4, $sp, 24 # parent_tid + st.d $t2, $sp, 32 # exit_signal + st.d $a1, $sp, 40 # stack + st.d $zero, $sp, 48 # stack_size + st.d $a5, $sp, 56 # tls + st.d $zero, $sp, 64 # set_tid + st.d $zero, $sp, 72 # set_tid_size + st.d $zero, $sp, 80 # cgroup + + move $a0, $sp + li.d $a1, 88 + li.d $a7, 435 # __NR_clone3 + syscall 0 # call clone3 + + beqz $a0, 1f # whether child process + addi.d $sp, $sp, 88 + jirl $zero, $ra, 0 # parent process return +1: + ld.d $t8, $sp, 0 # function pointer + ld.d $a0, $sp, 8 # argument pointer + jirl $ra, $t8, 0 # call the user's function + li.d $a7, 93 + syscall 0 # child process exit diff --git a/src/thread/loongarch64/syscall_cp.s b/src/thread/loongarch64/syscall_cp.s new file mode 100644 index 00000000..3903ed2c --- /dev/null +++ b/src/thread/loongarch64/syscall_cp.s @@ -0,0 +1,29 @@ +.global __cp_begin +.hidden __cp_begin +.global __cp_end +.hidden __cp_end +.global __cp_cancel +.hidden __cp_cancel +.hidden __cancel +.global __syscall_cp_asm +.hidden __syscall_cp_asm +.type __syscall_cp_asm,@function + +__syscall_cp_asm: +__cp_begin: + ld.w $a0, $a0, 0 + bnez $a0, __cp_cancel + or $t8, $a1, $zero # reserve system call number + or $a0, $a2, $zero + or $a1, $a3, $zero + or $a2, $a4, $zero + or $a3, $a5, $zero + or $a4, $a6, $zero + or $a5, $a7, $zero + or $a7, $t8, $zero + syscall 0 +__cp_end: + jirl $zero, $ra, 0 +__cp_cancel: + la.local $t8, __cancel + jirl $zero, $t8, 0 -- 2.34.1 ^ permalink raw reply [flat|nested] 7+ messages in thread
* [musl] Re: add loongarch64 port v4 2022-06-08 3:56 [musl] add loongarch64 port v4 王洪亮 @ 2022-06-14 7:23 ` 王洪亮 2022-06-20 9:49 ` 王洪亮 0 siblings, 1 reply; 7+ messages in thread From: 王洪亮 @ 2022-06-14 7:23 UTC (permalink / raw) To: musl Hi, 1. this patch has any other problems need to be modified? 2.what are the suggestions for support LA32? 在 2022/6/8 上午11:56, 王洪亮 写道: > Hi, > > I published loongarch64 port v4 in > https://github.com/loongson/musl/tree/loongarch-v2.0. > > fixed the following problems: > > 1.fixed the extension field of struct mcontext > > 2.removed arch/loongarch64/kstat.h > > 3.deleted the incorrect definition in arch/loongarch64/reloc.h > > 4.optimize dlsym > > please code review if there are any other problems ? thanks. > > I have one questions: > > Through add "long__uc_pad" in struct ucontext_t to meet the > extcontext[] 16 bytes alignment, > > if run in loongarch32, this method not meet the 16 bytes alignment > requirement. how to do it ? > > > Hongliang Wang. > ^ permalink raw reply [flat|nested] 7+ messages in thread
* [musl] Re: add loongarch64 port v4 2022-06-14 7:23 ` [musl] " 王洪亮 @ 2022-06-20 9:49 ` 王洪亮 2022-06-23 1:30 ` 王洪亮 0 siblings, 1 reply; 7+ messages in thread From: 王洪亮 @ 2022-06-20 9:49 UTC (permalink / raw) To: musl Hi, Rich 1. this patch has any other problems need to be modified? 2.what are the suggestions for support LA32 later? 在 2022/6/14 下午3:23, 王洪亮 写道: > Hi, > > 1. this patch has any other problems need to be modified? > > 2.what are the suggestions for support LA32? > > > 在 2022/6/8 上午11:56, 王洪亮 写道: >> Hi, >> >> I published loongarch64 port v4 in >> https://github.com/loongson/musl/tree/loongarch-v2.0. >> >> fixed the following problems: >> >> 1.fixed the extension field of struct mcontext >> >> 2.removed arch/loongarch64/kstat.h >> >> 3.deleted the incorrect definition in arch/loongarch64/reloc.h >> >> 4.optimize dlsym >> >> please code review if there are any other problems ? thanks. >> >> I have one questions: >> >> Through add "long__uc_pad" in struct ucontext_t to meet the >> extcontext[] 16 bytes alignment, >> >> if run in loongarch32, this method not meet the 16 bytes alignment >> requirement. how to do it ? >> >> >> Hongliang Wang. >> ^ permalink raw reply [flat|nested] 7+ messages in thread
* [musl] Re: add loongarch64 port v4 2022-06-20 9:49 ` 王洪亮 @ 2022-06-23 1:30 ` 王洪亮 2022-06-23 1:59 ` Rich Felker 0 siblings, 1 reply; 7+ messages in thread From: 王洪亮 @ 2022-06-23 1:30 UTC (permalink / raw) To: musl [-- Attachment #1: Type: text/plain, Size: 1221 bytes --] Hi, Rich this patch has any other problems need to be modified? Looking forward to your reply. thanks. Hongliang Wang 在 2022/6/20 下午5:49, 王洪亮 写道: > Hi, Rich > > 1. this patch has any other problems need to be modified? > > 2.what are the suggestions for support LA32 later? > > > 在 2022/6/14 下午3:23, 王洪亮 写道: >> Hi, >> >> 1. this patch has any other problems need to be modified? >> >> 2.what are the suggestions for support LA32? >> >> >> 在 2022/6/8 上午11:56, 王洪亮 写道: >>> Hi, >>> >>> I published loongarch64 port v4 in >>> https://github.com/loongson/musl/tree/loongarch-v2.0. >>> >>> fixed the following problems: >>> >>> 1.fixed the extension field of struct mcontext >>> >>> 2.removed arch/loongarch64/kstat.h >>> >>> 3.deleted the incorrect definition in arch/loongarch64/reloc.h >>> >>> 4.optimize dlsym >>> >>> please code review if there are any other problems ? thanks. >>> >>> I have one questions: >>> >>> Through add "long__uc_pad" in struct ucontext_t to meet the >>> extcontext[] 16 bytes alignment, >>> >>> if run in loongarch32, this method not meet the 16 bytes alignment >>> requirement. how to do it ? >>> >>> >>> Hongliang Wang. >>> [-- Attachment #2: 0001-add-loongarch64-port-v4.patch --] [-- Type: text/x-patch, Size: 47132 bytes --] From 5535c500f137c3cb9ad36c7c96e7aaca440c85bd Mon Sep 17 00:00:00 2001 From: wanghongliang <wanghongliang@loongson.cn> Date: Wed, 8 Jun 2022 01:42:12 +0800 Subject: [PATCH] add loongarch64 port v4. Author: xiaojuanZhai <zhaixiaojuan@loongson.cn> Author: meidanLi <limeidan@loongson.cn> Author: guoqiChen <chenguoqi@loongson.cn> Author: xiaolinZhao <zhaoxiaolin@loongson.cn> Author: Fanpeng <fanpeng@loongson.cn> Author: jiantaoShan <shanjiantao@loongson.cn> Author: xuhuiQiang <qiangxuhui@loongson.cn> Author: jingyunHua <huajingyun@loongson.cn> Author: liuxue <liuxue@loongson.cn> Author: wanghongliang <wanghongliang@loongson.cn Signed-off-by: wanghongliang <wanghongliang@loongson.cn> --- arch/loongarch64/atomic_arch.h | 53 ++++ arch/loongarch64/bits/alltypes.h.in | 18 ++ arch/loongarch64/bits/fenv.h | 20 ++ arch/loongarch64/bits/float.h | 16 ++ arch/loongarch64/bits/hwcap.h | 14 + arch/loongarch64/bits/posix.h | 2 + arch/loongarch64/bits/ptrace.h | 4 + arch/loongarch64/bits/reg.h | 66 +++++ arch/loongarch64/bits/setjmp.h | 1 + arch/loongarch64/bits/signal.h | 80 ++++++ arch/loongarch64/bits/stat.h | 18 ++ arch/loongarch64/bits/stdint.h | 20 ++ arch/loongarch64/bits/syscall.h.in | 303 +++++++++++++++++++++ arch/loongarch64/bits/user.h | 5 + arch/loongarch64/crt_arch.h | 14 + arch/loongarch64/pthread_arch.h | 13 + arch/loongarch64/reloc.h | 27 ++ arch/loongarch64/syscall_arch.h | 137 ++++++++++ configure | 1 + crt/loongarch64/crti.s | 15 + crt/loongarch64/crtn.s | 12 + include/elf.h | 66 +++++ src/fenv/loongarch64/fenv.S | 72 +++++ src/ldso/loongarch64/dlsym.s | 7 + src/setjmp/loongarch64/longjmp.S | 37 +++ src/setjmp/loongarch64/setjmp.S | 34 +++ src/signal/loongarch64/restore.s | 10 + src/signal/loongarch64/sigsetjmp.s | 29 ++ src/thread/loongarch64/__set_thread_area.s | 7 + src/thread/loongarch64/__unmapself.s | 7 + src/thread/loongarch64/clone.s | 47 ++++ src/thread/loongarch64/syscall_cp.s | 29 ++ 32 files changed, 1184 insertions(+) create mode 100644 arch/loongarch64/atomic_arch.h create mode 100644 arch/loongarch64/bits/alltypes.h.in create mode 100644 arch/loongarch64/bits/fenv.h create mode 100644 arch/loongarch64/bits/float.h create mode 100644 arch/loongarch64/bits/hwcap.h create mode 100644 arch/loongarch64/bits/posix.h create mode 100644 arch/loongarch64/bits/ptrace.h create mode 100644 arch/loongarch64/bits/reg.h create mode 100644 arch/loongarch64/bits/setjmp.h create mode 100644 arch/loongarch64/bits/signal.h create mode 100644 arch/loongarch64/bits/stat.h create mode 100644 arch/loongarch64/bits/stdint.h create mode 100644 arch/loongarch64/bits/syscall.h.in create mode 100644 arch/loongarch64/bits/user.h create mode 100644 arch/loongarch64/crt_arch.h create mode 100644 arch/loongarch64/pthread_arch.h create mode 100644 arch/loongarch64/reloc.h create mode 100644 arch/loongarch64/syscall_arch.h create mode 100644 crt/loongarch64/crti.s create mode 100644 crt/loongarch64/crtn.s create mode 100644 src/fenv/loongarch64/fenv.S create mode 100644 src/ldso/loongarch64/dlsym.s create mode 100644 src/setjmp/loongarch64/longjmp.S create mode 100644 src/setjmp/loongarch64/setjmp.S create mode 100644 src/signal/loongarch64/restore.s create mode 100644 src/signal/loongarch64/sigsetjmp.s create mode 100644 src/thread/loongarch64/__set_thread_area.s create mode 100644 src/thread/loongarch64/__unmapself.s create mode 100644 src/thread/loongarch64/clone.s create mode 100644 src/thread/loongarch64/syscall_cp.s diff --git a/arch/loongarch64/atomic_arch.h b/arch/loongarch64/atomic_arch.h new file mode 100644 index 00000000..bf4805c9 --- /dev/null +++ b/arch/loongarch64/atomic_arch.h @@ -0,0 +1,53 @@ +#define a_ll a_ll +static inline int a_ll(volatile int *p) +{ + int v; + __asm__ __volatile__ ( + "ll.w %0, %1" + : "=r"(v) + : "ZC"(*p)); + return v; +} + +#define a_sc a_sc +static inline int a_sc(volatile int *p, int v) +{ + int r; + __asm__ __volatile__ ( + "sc.w %0, %1" + : "=r"(r), "=ZC"(*p) + : "0"(v) : "memory"); + return r; +} + +#define a_ll_p a_ll_p +static inline void *a_ll_p(volatile void *p) +{ + void *v; + __asm__ __volatile__ ( + "ll.d %0, %1" + : "=r"(v) + : "ZC"(*(void *volatile *)p)); + return v; +} + +#define a_sc_p a_sc_p +static inline int a_sc_p(volatile void *p, void *v) +{ + long r; + __asm__ __volatile__ ( + "sc.d %0, %1" + : "=r"(r), "=ZC"(*(void *volatile *)p) + : "0"(v) + : "memory"); + return r; +} + +#define a_barrier a_barrier +static inline void a_barrier() +{ + __asm__ __volatile__ ("dbar 0" : : : "memory"); +} + +#define a_pre_llsc a_barrier +#define a_post_llsc a_barrier diff --git a/arch/loongarch64/bits/alltypes.h.in b/arch/loongarch64/bits/alltypes.h.in new file mode 100644 index 00000000..d1807aca --- /dev/null +++ b/arch/loongarch64/bits/alltypes.h.in @@ -0,0 +1,18 @@ +#define _Addr long +#define _Int64 long +#define _Reg long + +#define __BYTE_ORDER 1234 +#define __LONG_MAX 0x7fffffffffffffffL + +#ifndef __cplusplus +TYPEDEF int wchar_t; +#endif + +TYPEDEF float float_t; +TYPEDEF double double_t; + +TYPEDEF struct { long long __ll; long double __ld; } max_align_t; + +TYPEDEF unsigned nlink_t; +TYPEDEF int blksize_t; diff --git a/arch/loongarch64/bits/fenv.h b/arch/loongarch64/bits/fenv.h new file mode 100644 index 00000000..264cafb5 --- /dev/null +++ b/arch/loongarch64/bits/fenv.h @@ -0,0 +1,20 @@ +#define FE_INEXACT 0x010000 +#define FE_UNDERFLOW 0x020000 +#define FE_OVERFLOW 0x040000 +#define FE_DIVBYZERO 0x080000 +#define FE_INVALID 0x100000 + +#define FE_ALL_EXCEPT 0x1F0000 + +#define FE_TONEAREST 0x000 +#define FE_TOWARDZERO 0x100 +#define FE_UPWARD 0x200 +#define FE_DOWNWARD 0x300 + +typedef unsigned fexcept_t; + +typedef struct { + unsigned __cw; +} fenv_t; + +#define FE_DFL_ENV ((const fenv_t *) -1) diff --git a/arch/loongarch64/bits/float.h b/arch/loongarch64/bits/float.h new file mode 100644 index 00000000..719c7908 --- /dev/null +++ b/arch/loongarch64/bits/float.h @@ -0,0 +1,16 @@ +#define FLT_EVAL_METHOD 0 + +#define LDBL_TRUE_MIN 6.47517511943802511092443895822764655e-4966L +#define LDBL_MIN 3.36210314311209350626267781732175260e-4932L +#define LDBL_MAX 1.18973149535723176508575932662800702e+4932L +#define LDBL_EPSILON 1.92592994438723585305597794258492732e-34L + +#define LDBL_MANT_DIG 113 +#define LDBL_MIN_EXP (-16381) +#define LDBL_MAX_EXP 16384 + +#define LDBL_DIG 33 +#define LDBL_MIN_10_EXP (-4931) +#define LDBL_MAX_10_EXP 4932 + +#define DECIMAL_DIG 36 diff --git a/arch/loongarch64/bits/hwcap.h b/arch/loongarch64/bits/hwcap.h new file mode 100644 index 00000000..c9fa08f6 --- /dev/null +++ b/arch/loongarch64/bits/hwcap.h @@ -0,0 +1,14 @@ +/* HWCAP - Hardware Capabilities. + * Hardware information is not clear at present, leave it blank. + */ +#define HWCAP_LOONGARCH_CPUCFG (1 << 0) +#define HWCAP_LOONGARCH_FPU (1 << 1) +#define HWCAP_LOONGARCH_LSX (1 << 2) /* support 128bit vectors*/ +#define HWCAP_LOONGARCH_LASX (1 << 3) /* support 256bit vectors*/ +#define HWCAP_LOONGARCH_LBT (1 << 4) /* support LBT*/ +#define HWCAP_LOONGARCH_LVZ (1 << 5) /* support virtualization expansion*/ +#define HWCAP_LOONGARCH_CRC32 (1 << 7) /* support CRC32 check*/ +#define HWCAP_LOONGARCH_AES (1 << 6) +#define HWCAP_LOONGARCH_SHA1 (1 << 8) +#define HWCAP_LOONGARCH_SHA2 (1 << 9) +#define HWCAP_LOONGARCH_SHA3 (1 << 10) diff --git a/arch/loongarch64/bits/posix.h b/arch/loongarch64/bits/posix.h new file mode 100644 index 00000000..8068ce98 --- /dev/null +++ b/arch/loongarch64/bits/posix.h @@ -0,0 +1,2 @@ +#define _POSIX_V6_LP64_OFF64 1 +#define _POSIX_V7_LP64_OFF64 1 diff --git a/arch/loongarch64/bits/ptrace.h b/arch/loongarch64/bits/ptrace.h new file mode 100644 index 00000000..741fc668 --- /dev/null +++ b/arch/loongarch64/bits/ptrace.h @@ -0,0 +1,4 @@ +#define PTRACE_GET_THREAD_AREA 25 +#define PTRACE_SET_THREAD_AREA 26 +#define PTRACE_GET_WATCH_REGS 0xd0 +#define PTRACE_SET_WATCH_REGS 0xd1 diff --git a/arch/loongarch64/bits/reg.h b/arch/loongarch64/bits/reg.h new file mode 100644 index 00000000..5d3f92c5 --- /dev/null +++ b/arch/loongarch64/bits/reg.h @@ -0,0 +1,66 @@ +#undef __WORDSIZE +#define __WORDSIZE 64 +#define LOONGARCH64_EF_R0 0 +#define LOONGARCH64_EF_R1 1 +#define LOONGARCH64_EF_R2 2 +#define LOONGARCH64_EF_R3 3 +#define LOONGARCH64_EF_R4 4 +#define LOONGARCH64_EF_R5 5 +#define LOONGARCH64_EF_R6 6 +#define LOONGARCH64_EF_R7 7 +#define LOONGARCH64_EF_R8 8 +#define LOONGARCH64_EF_R9 9 +#define LOONGARCH64_EF_R10 10 +#define LOONGARCH64_EF_R11 11 +#define LOONGARCH64_EF_R12 12 +#define LOONGARCH64_EF_R13 13 +#define LOONGARCH64_EF_R14 14 +#define LOONGARCH64_EF_R15 15 +#define LOONGARCH64_EF_R16 16 +#define LOONGARCH64_EF_R17 17 +#define LOONGARCH64_EF_R18 18 +#define LOONGARCH64_EF_R19 19 +#define LOONGARCH64_EF_R20 20 +#define LOONGARCH64_EF_R21 21 +#define LOONGARCH64_EF_R22 22 +#define LOONGARCH64_EF_R23 23 +#define LOONGARCH64_EF_R24 24 +#define LOONGARCH64_EF_R25 25 +#define LOONGARCH64_EF_R26 26 +#define LOONGARCH64_EF_R27 27 +#define LOONGARCH64_EF_R28 28 +#define LOONGARCH64_EF_R29 29 +#define LOONGARCH64_EF_R30 30 +#define LOONGARCH64_EF_R31 31 + +#define LOONGARCH64_EF_SIZE 304 /* size in bytes */ + +#define EF_R0 LOONGARCH64_EF_R0 +#define EF_R1 LOONGARCH64_EF_R1 +#define EF_R2 LOONGARCH64_EF_R2 +#define EF_R3 LOONGARCH64_EF_R3 +#define EF_R4 LOONGARCH64_EF_R4 +#define EF_R5 LOONGARCH64_EF_R5 +#define EF_R6 LOONGARCH64_EF_R6 +#define EF_R7 LOONGARCH64_EF_R7 +#define EF_R8 LOONGARCH64_EF_R8 +#define EF_R9 LOONGARCH64_EF_R9 +#define EF_R10 LOONGARCH64_EF_R10 +#define EF_R11 LOONGARCH64_EF_R11 +#define EF_R12 LOONGARCH64_EF_R12 +#define EF_R13 LOONGARCH64_EF_R13 +#define EF_R14 LOONGARCH64_EF_R14 +#define EF_R15 LOONGARCH64_EF_R15 +#define EF_R16 LOONGARCH64_EF_R16 +#define EF_R17 LOONGARCH64_EF_R17 +#define EF_R18 LOONGARCH64_EF_R18 +#define EF_R19 LOONGARCH64_EF_R19 +#define EF_R20 LOONGARCH64_EF_R20 +#define EF_R21 LOONGARCH64_EF_R21 +#define EF_R22 LOONGARCH64_EF_R22 +#define EF_R23 LOONGARCH64_EF_R23 +#define EF_R24 LOONGARCH64_EF_R24 +#define EF_R25 LOONGARCH64_EF_R25 +#define EF_R26 LOONGARCH64_EF_R26 +#define EF_R27 LOONGARCH64_EF_R27 +#define EF_R28 LOONGARCH64_EF_R28 diff --git a/arch/loongarch64/bits/setjmp.h b/arch/loongarch64/bits/setjmp.h new file mode 100644 index 00000000..f4a7f8a3 --- /dev/null +++ b/arch/loongarch64/bits/setjmp.h @@ -0,0 +1 @@ +typedef unsigned long long __jmp_buf[22]; diff --git a/arch/loongarch64/bits/signal.h b/arch/loongarch64/bits/signal.h new file mode 100644 index 00000000..4db790e7 --- /dev/null +++ b/arch/loongarch64/bits/signal.h @@ -0,0 +1,80 @@ +#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \ + || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE) + +#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE) +#define MINSIGSTKSZ 4096 +#define SIGSTKSZ 16384 +#endif + +typedef unsigned long greg_t, gregset_t[32]; + +typedef struct sigcontext { + unsigned long pc; + gregset_t gregs; + unsigned int flags; + unsigned long extcontext[]; +} mcontext_t; + +struct sigaltstack { + void *ss_sp; + int ss_flags; + size_t ss_size; +}; + +typedef struct __ucontext +{ + unsigned long uc_flags; + struct __ucontext *uc_link; + stack_t uc_stack; + sigset_t uc_sigmask; + long __uc_pad; + mcontext_t uc_mcontext; +} ucontext_t; + +#define SA_NOCLDSTOP 1 +#define SA_NOCLDWAIT 2 +#define SA_SIGINFO 4 +#define SA_ONSTACK 0x08000000 +#define SA_RESTART 0x10000000 +#define SA_NODEFER 0x40000000 +#define SA_RESETHAND 0x80000000 +#define SA_RESTORER 0x04000000 + +#endif + +#define SIGHUP 1 +#define SIGINT 2 +#define SIGQUIT 3 +#define SIGILL 4 +#define SIGTRAP 5 +#define SIGABRT 6 +#define SIGIOT SIGABRT +#define SIGBUS 7 +#define SIGFPE 8 +#define SIGKILL 9 +#define SIGUSR1 10 +#define SIGSEGV 11 +#define SIGUSR2 12 +#define SIGPIPE 13 +#define SIGALRM 14 +#define SIGTERM 15 +#define SIGSTKFLT 16 +#define SIGCHLD 17 +#define SIGCONT 18 +#define SIGSTOP 19 +#define SIGTSTP 20 +#define SIGTTIN 21 +#define SIGTTOU 22 +#define SIGURG 23 +#define SIGXCPU 24 +#define SIGXFSZ 25 +#define SIGVTALRM 26 +#define SIGPROF 27 +#define SIGWINCH 28 +#define SIGIO 29 +#define SIGPOLL SIGIO +#define SIGPWR 30 +#define SIGSYS 31 +#define SIGUNUSED SIGSYS + +#define _NSIG 65 diff --git a/arch/loongarch64/bits/stat.h b/arch/loongarch64/bits/stat.h new file mode 100644 index 00000000..b7f4221b --- /dev/null +++ b/arch/loongarch64/bits/stat.h @@ -0,0 +1,18 @@ +struct stat { + dev_t st_dev; + ino_t st_ino; + mode_t st_mode; + nlink_t st_nlink; + uid_t st_uid; + gid_t st_gid; + dev_t st_rdev; + unsigned long __pad; + off_t st_size; + blksize_t st_blksize; + int __pad2; + blkcnt_t st_blocks; + struct timespec st_atim; + struct timespec st_mtim; + struct timespec st_ctim; + unsigned __unused[2]; +}; diff --git a/arch/loongarch64/bits/stdint.h b/arch/loongarch64/bits/stdint.h new file mode 100644 index 00000000..1bb147f2 --- /dev/null +++ b/arch/loongarch64/bits/stdint.h @@ -0,0 +1,20 @@ +typedef int32_t int_fast16_t; +typedef int32_t int_fast32_t; +typedef uint32_t uint_fast16_t; +typedef uint32_t uint_fast32_t; + +#define INT_FAST16_MIN INT32_MIN +#define INT_FAST32_MIN INT32_MIN + +#define INT_FAST16_MAX INT32_MAX +#define INT_FAST32_MAX INT32_MAX + +#define UINT_FAST16_MAX UINT32_MAX +#define UINT_FAST32_MAX UINT32_MAX + +#define INTPTR_MIN INT64_MIN +#define INTPTR_MAX INT64_MAX +#define UINTPTR_MAX UINT64_MAX +#define PTRDIFF_MIN INT64_MIN +#define PTRDIFF_MAX INT64_MAX +#define SIZE_MAX UINT64_MAX diff --git a/arch/loongarch64/bits/syscall.h.in b/arch/loongarch64/bits/syscall.h.in new file mode 100644 index 00000000..689ff36b --- /dev/null +++ b/arch/loongarch64/bits/syscall.h.in @@ -0,0 +1,303 @@ +#define __NR_io_setup 0 +#define __NR_io_destroy 1 +#define __NR_io_submit 2 +#define __NR_io_cancel 3 +#define __NR_io_getevents 4 +#define __NR_setxattr 5 +#define __NR_lsetxattr 6 +#define __NR_fsetxattr 7 +#define __NR_getxattr 8 +#define __NR_lgetxattr 9 +#define __NR_fgetxattr 10 +#define __NR_listxattr 11 +#define __NR_llistxattr 12 +#define __NR_flistxattr 13 +#define __NR_removexattr 14 +#define __NR_lremovexattr 15 +#define __NR_fremovexattr 16 +#define __NR_getcwd 17 +#define __NR_lookup_dcookie 18 +#define __NR_eventfd2 19 +#define __NR_epoll_create1 20 +#define __NR_epoll_ctl 21 +#define __NR_epoll_pwait 22 +#define __NR_dup 23 +#define __NR_dup3 24 +#define __NR3264_fcntl 25 +#define __NR_inotify_init1 26 +#define __NR_inotify_add_watch 27 +#define __NR_inotify_rm_watch 28 +#define __NR_ioctl 29 +#define __NR_ioprio_set 30 +#define __NR_ioprio_get 31 +#define __NR_flock 32 +#define __NR_mknodat 33 +#define __NR_mkdirat 34 +#define __NR_unlinkat 35 +#define __NR_symlinkat 36 +#define __NR_linkat 37 +#define __NR_umount2 39 +#define __NR_mount 40 +#define __NR_pivot_root 41 +#define __NR_nfsservctl 42 +#define __NR3264_statfs 43 +#define __NR3264_fstatfs 44 +#define __NR3264_truncate 45 +#define __NR3264_ftruncate 46 +#define __NR_fallocate 47 +#define __NR_faccessat 48 +#define __NR_chdir 49 +#define __NR_fchdir 50 +#define __NR_chroot 51 +#define __NR_fchmod 52 +#define __NR_fchmodat 53 +#define __NR_fchownat 54 +#define __NR_fchown 55 +#define __NR_openat 56 +#define __NR_close 57 +#define __NR_vhangup 58 +#define __NR_pipe2 59 +#define __NR_quotactl 60 +#define __NR_getdents64 61 +#define __NR3264_lseek 62 +#define __NR_read 63 +#define __NR_write 64 +#define __NR_readv 65 +#define __NR_writev 66 +#define __NR_pread64 67 +#define __NR_pwrite64 68 +#define __NR_preadv 69 +#define __NR_pwritev 70 +#define __NR3264_sendfile 71 +#define __NR_pselect6 72 +#define __NR_ppoll 73 +#define __NR_signalfd4 74 +#define __NR_vmsplice 75 +#define __NR_splice 76 +#define __NR_tee 77 +#define __NR_readlinkat 78 +#define __NR_sync 81 +#define __NR_fsync 82 +#define __NR_fdatasync 83 +#define __NR_sync_file_range 84 +#define __NR_timerfd_create 85 +#define __NR_timerfd_settime 86 +#define __NR_timerfd_gettime 87 +#define __NR_utimensat 88 +#define __NR_acct 89 +#define __NR_capget 90 +#define __NR_capset 91 +#define __NR_personality 92 +#define __NR_exit 93 +#define __NR_exit_group 94 +#define __NR_waitid 95 +#define __NR_set_tid_address 96 +#define __NR_unshare 97 +#define __NR_futex 98 +#define __NR_set_robust_list 99 +#define __NR_get_robust_list 100 +#define __NR_nanosleep 101 +#define __NR_getitimer 102 +#define __NR_setitimer 103 +#define __NR_kexec_load 104 +#define __NR_init_module 105 +#define __NR_delete_module 106 +#define __NR_timer_create 107 +#define __NR_timer_gettime 108 +#define __NR_timer_getoverrun 109 +#define __NR_timer_settime 110 +#define __NR_timer_delete 111 +#define __NR_clock_settime 112 +#define __NR_clock_gettime 113 +#define __NR_clock_getres 114 +#define __NR_clock_nanosleep 115 +#define __NR_syslog 116 +#define __NR_ptrace 117 +#define __NR_sched_setparam 118 +#define __NR_sched_setscheduler 119 +#define __NR_sched_getscheduler 120 +#define __NR_sched_getparam 121 +#define __NR_sched_setaffinity 122 +#define __NR_sched_getaffinity 123 +#define __NR_sched_yield 124 +#define __NR_sched_get_priority_max 125 +#define __NR_sched_get_priority_min 126 +#define __NR_sched_rr_get_interval 127 +#define __NR_restart_syscall 128 +#define __NR_kill 129 +#define __NR_tkill 130 +#define __NR_tgkill 131 +#define __NR_sigaltstack 132 +#define __NR_rt_sigsuspend 133 +#define __NR_rt_sigaction 134 +#define __NR_rt_sigprocmask 135 +#define __NR_rt_sigpending 136 +#define __NR_rt_sigtimedwait 137 +#define __NR_rt_sigqueueinfo 138 +#define __NR_rt_sigreturn 139 +#define __NR_setpriority 140 +#define __NR_getpriority 141 +#define __NR_reboot 142 +#define __NR_setregid 143 +#define __NR_setgid 144 +#define __NR_setreuid 145 +#define __NR_setuid 146 +#define __NR_setresuid 147 +#define __NR_getresuid 148 +#define __NR_setresgid 149 +#define __NR_getresgid 150 +#define __NR_setfsuid 151 +#define __NR_setfsgid 152 +#define __NR_times 153 +#define __NR_setpgid 154 +#define __NR_getpgid 155 +#define __NR_getsid 156 +#define __NR_setsid 157 +#define __NR_getgroups 158 +#define __NR_setgroups 159 +#define __NR_uname 160 +#define __NR_sethostname 161 +#define __NR_setdomainname 162 +#define __NR_getrlimit 163 +#define __NR_setrlimit 164 +#define __NR_getrusage 165 +#define __NR_umask 166 +#define __NR_prctl 167 +#define __NR_getcpu 168 +#define __NR_gettimeofday 169 +#define __NR_settimeofday 170 +#define __NR_adjtimex 171 +#define __NR_getpid 172 +#define __NR_getppid 173 +#define __NR_getuid 174 +#define __NR_geteuid 175 +#define __NR_getgid 176 +#define __NR_getegid 177 +#define __NR_gettid 178 +#define __NR_sysinfo 179 +#define __NR_mq_open 180 +#define __NR_mq_unlink 181 +#define __NR_mq_timedsend 182 +#define __NR_mq_timedreceive 183 +#define __NR_mq_notify 184 +#define __NR_mq_getsetattr 185 +#define __NR_msgget 186 +#define __NR_msgctl 187 +#define __NR_msgrcv 188 +#define __NR_msgsnd 189 +#define __NR_semget 190 +#define __NR_semctl 191 +#define __NR_semtimedop 192 +#define __NR_semop 193 +#define __NR_shmget 194 +#define __NR_shmctl 195 +#define __NR_shmat 196 +#define __NR_shmdt 197 +#define __NR_socket 198 +#define __NR_socketpair 199 +#define __NR_bind 200 +#define __NR_listen 201 +#define __NR_accept 202 +#define __NR_connect 203 +#define __NR_getsockname 204 +#define __NR_getpeername 205 +#define __NR_sendto 206 +#define __NR_recvfrom 207 +#define __NR_setsockopt 208 +#define __NR_getsockopt 209 +#define __NR_shutdown 210 +#define __NR_sendmsg 211 +#define __NR_recvmsg 212 +#define __NR_readahead 213 +#define __NR_brk 214 +#define __NR_munmap 215 +#define __NR_mremap 216 +#define __NR_add_key 217 +#define __NR_request_key 218 +#define __NR_keyctl 219 +#define __NR_clone 220 +#define __NR_execve 221 +#define __NR3264_mmap 222 +#define __NR3264_fadvise64 223 +#define __NR_swapon 224 +#define __NR_swapoff 225 +#define __NR_mprotect 226 +#define __NR_msync 227 +#define __NR_mlock 228 +#define __NR_munlock 229 +#define __NR_mlockall 230 +#define __NR_munlockall 231 +#define __NR_mincore 232 +#define __NR_madvise 233 +#define __NR_remap_file_pages 234 +#define __NR_mbind 235 +#define __NR_get_mempolicy 236 +#define __NR_set_mempolicy 237 +#define __NR_migrate_pages 238 +#define __NR_move_pages 239 +#define __NR_rt_tgsigqueueinfo 240 +#define __NR_perf_event_open 241 +#define __NR_accept4 242 +#define __NR_recvmmsg 243 +#define __NR_arch_specific_syscall 244 +#define __NR_wait4 260 +#define __NR_prlimit64 261 +#define __NR_fanotify_init 262 +#define __NR_fanotify_mark 263 +#define __NR_name_to_handle_at 264 +#define __NR_open_by_handle_at 265 +#define __NR_clock_adjtime 266 +#define __NR_syncfs 267 +#define __NR_setns 268 +#define __NR_sendmmsg 269 +#define __NR_process_vm_readv 270 +#define __NR_process_vm_writev 271 +#define __NR_kcmp 272 +#define __NR_finit_module 273 +#define __NR_sched_setattr 274 +#define __NR_sched_getattr 275 +#define __NR_renameat2 276 +#define __NR_seccomp 277 +#define __NR_getrandom 278 +#define __NR_memfd_create 279 +#define __NR_bpf 280 +#define __NR_execveat 281 +#define __NR_userfaultfd 282 +#define __NR_membarrier 283 +#define __NR_mlock2 284 +#define __NR_copy_file_range 285 +#define __NR_preadv2 286 +#define __NR_pwritev2 287 +#define __NR_pkey_mprotect 288 +#define __NR_pkey_alloc 289 +#define __NR_pkey_free 290 +#define __NR_statx 291 +#define __NR_io_pgetevents 292 +#define __NR_rseq 293 +#define __NR_kexec_file_load 294 +#define __NR_pidfd_send_signal 424 +#define __NR_io_uring_setup 425 +#define __NR_io_uring_enter 426 +#define __NR_io_uring_register 427 +#define __NR_open_tree 428 +#define __NR_move_mount 429 +#define __NR_fsopen 430 +#define __NR_fsconfig 431 +#define __NR_fsmount 432 +#define __NR_fspick 433 +#define __NR_pidfd_open 434 +#define __NR_clone3 435 +#define __NR_close_range 436 +#define __NR_openat2 437 +#define __NR_pidfd_getfd 438 +#define __NR_faccessat2 439 +#define __NR_process_madvise 440 +#define __NR_fcntl __NR3264_fcntl +#define __NR_statfs __NR3264_statfs +#define __NR_fstatfs __NR3264_fstatfs +#define __NR_truncate __NR3264_truncate +#define __NR_ftruncate __NR3264_ftruncate +#define __NR_lseek __NR3264_lseek +#define __NR_sendfile __NR3264_sendfile +#define __NR_mmap __NR3264_mmap +#define __NR_fadvise64 __NR3264_fadvise64 diff --git a/arch/loongarch64/bits/user.h b/arch/loongarch64/bits/user.h new file mode 100644 index 00000000..4d4cd534 --- /dev/null +++ b/arch/loongarch64/bits/user.h @@ -0,0 +1,5 @@ +#define ELF_NGREG 45 +#define ELF_NFPREG 33 + +typedef unsigned long elf_greg_t, elf_gregset_t[ELF_NGREG]; +typedef double elf_fpreg_t, elf_fpregset_t[ELF_NFPREG]; diff --git a/arch/loongarch64/crt_arch.h b/arch/loongarch64/crt_arch.h new file mode 100644 index 00000000..c806a0bf --- /dev/null +++ b/arch/loongarch64/crt_arch.h @@ -0,0 +1,14 @@ +__asm__( +".text \n" +".global " START "\n" +".type " START ", @function\n" +START ":\n" +" add.w $fp, $r0,$r0\n" +" or $a0, $sp, $zero\n" +".weak _DYNAMIC\n" +".hidden _DYNAMIC\n" +" la.local $a1, _DYNAMIC\n" +" addi.w $t7, $r0, -16\n" +" and $sp, $sp, $t7\n" +" b " START "_c\n" +); diff --git a/arch/loongarch64/pthread_arch.h b/arch/loongarch64/pthread_arch.h new file mode 100644 index 00000000..95ee4c7a --- /dev/null +++ b/arch/loongarch64/pthread_arch.h @@ -0,0 +1,13 @@ +static inline uintptr_t __get_tp() +{ + register uintptr_t tp __asm__("tp"); + __asm__ ("" : "=r" (tp) ); + return tp; +} + +#define TLS_ABOVE_TP +#define GAP_ABOVE_TP 0 + +#define DTP_OFFSET 0 + +#define MC_PC pc diff --git a/arch/loongarch64/reloc.h b/arch/loongarch64/reloc.h new file mode 100644 index 00000000..2f759a34 --- /dev/null +++ b/arch/loongarch64/reloc.h @@ -0,0 +1,27 @@ +#ifdef __loongarch64_soft_float +#define FP_SUFFIX "-sf" +#else +#define FP_SUFFIX "" +#endif + +#define LDSO_ARCH "loongarch64" FP_SUFFIX + +#define TPOFF_K (0x0) + +#define REL_PLT R_LARCH_JUMP_SLOT +#define REL_COPY R_LARCH_COPY +#define REL_DTPMOD R_LARCH_TLS_DTPMOD64 +#define REL_DTPOFF R_LARCH_TLS_DTPREL64 +#define REL_TPOFF R_LARCH_TLS_TPREL64 +#define REL_RELATIVE R_LARCH_RELATIVE +#define REL_SYMBOLIC R_LARCH_64 + +#define CRTJMP(pc,sp) __asm__ __volatile__( \ + "move $sp,%1 ; jr %0" : : "r"(pc), "r"(sp) : "memory" ) + +#define GETFUNCSYM(fp, sym, got) __asm__ ( \ + ".hidden " #sym "\n" \ + ".align 8 \n" \ + " la.local $t1, "#sym" \n" \ + " or %0, $t1, $zero \n" \ + : "=r"(*(fp)) : : "memory" ) diff --git a/arch/loongarch64/syscall_arch.h b/arch/loongarch64/syscall_arch.h new file mode 100644 index 00000000..ddd29578 --- /dev/null +++ b/arch/loongarch64/syscall_arch.h @@ -0,0 +1,137 @@ +#define __SYSCALL_LL_E(x) (x) +#define __SYSCALL_LL_O(x) (x) + +#define SYSCALL_CLOBBERLIST \ + "$t0", "$t1", "$t2", "$t3", \ + "$t4", "$t5", "$t6", "$t7", "$t8", "memory" + +static inline long __syscall0(long n) +{ + register long a7 __asm__("$a7") = n; + register long a0 __asm__("$a0"); + + __asm__ __volatile__ ( + "syscall 0" + : "=r"(a0) + : "r"(a7) + : SYSCALL_CLOBBERLIST); + return a0; +} + +static inline long __syscall1(long n, long a) +{ + register long a7 __asm__("$a7") = n; + register long a0 __asm__("$a0") = a; + + __asm__ __volatile__ ( + "syscall 0" + : "+r"(a0) + : "r"(a7) + : SYSCALL_CLOBBERLIST); + return a0; +} + +static inline long __syscall2(long n, long a, long b) +{ + register long a7 __asm__("$a7") = n; + register long a0 __asm__("$a0") = a; + register long a1 __asm__("$a1") = b; + + __asm__ __volatile__ ( + "syscall 0" + : "+r"(a0) + : "r"(a7), "r"(a1) + : SYSCALL_CLOBBERLIST); + return a0; +} + +static inline long __syscall3(long n, long a, long b, long c) +{ + register long a7 __asm__("$a7") = n; + register long a0 __asm__("$a0") = a; + register long a1 __asm__("$a1") = b; + register long a2 __asm__("$a2") = c; + + __asm__ __volatile__ ( + "syscall 0" + : "+r"(a0) + : "r"(a7), "r"(a1), "r"(a2) + : SYSCALL_CLOBBERLIST); + return a0; +} + +static inline long __syscall4(long n, long a, long b, long c, long d) +{ + register long a7 __asm__("$a7") = n; + register long a0 __asm__("$a0") = a; + register long a1 __asm__("$a1") = b; + register long a2 __asm__("$a2") = c; + register long a3 __asm__("$a3") = d; + + __asm__ __volatile__ ( + "syscall 0" + : "+r"(a0) + : "r"(a7), "r"(a1), "r"(a2), "r"(a3) + : SYSCALL_CLOBBERLIST); + return a0; +} + +static inline long __syscall5(long n, long a, long b, long c, long d, long e) +{ + register long a7 __asm__("$a7") = n; + register long a0 __asm__("$a0") = a; + register long a1 __asm__("$a1") = b; + register long a2 __asm__("$a2") = c; + register long a3 __asm__("$a3") = d; + register long a4 __asm__("$a4") = e; + + __asm__ __volatile__ ( + "syscall 0" + : "+r"(a0) + : "r"(a7), "r"(a1), "r"(a2), "r"(a3), "r"(a4) + : SYSCALL_CLOBBERLIST); + return a0; +} + +static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f) +{ + register long a7 __asm__("$a7") = n; + register long a0 __asm__("$a0") = a; + register long a1 __asm__("$a1") = b; + register long a2 __asm__("$a2") = c; + register long a3 __asm__("$a3") = d; + register long a4 __asm__("$a4") = e; + register long a5 __asm__("$a5") = f; + + __asm__ __volatile__ ( + "syscall 0" + : "+r"(a0) + : "r"(a7), "r"(a1), "r"(a2), "r"(a3), "r"(a4), "r"(a5) + : SYSCALL_CLOBBERLIST); + return a0; +} + +static inline long __syscall7(long n, long a, long b, long c, long d, long e, long f, long g) +{ + register long a7 __asm__("$a7") = n; + register long a0 __asm__("$a0") = a; + register long a1 __asm__("$a1") = b; + register long a2 __asm__("$a2") = c; + register long a3 __asm__("$a3") = d; + register long a4 __asm__("$a4") = e; + register long a5 __asm__("$a5") = f; + register long a6 __asm__("$a6") = g; + + __asm__ __volatile__ ( + "syscall 0" + : "+r"(a0) + : "r"(a7), "r"(a1), "r"(a2), "r"(a3), "r"(a4), "r"(a5), "r"(a6) + : SYSCALL_CLOBBERLIST); + return a0; +} + +#define VDSO_USEFUL +#define VDSO_CGT_SYM "__vdso_clock_gettime" +#define VDSO_CGT_VER "LINUX_2.6" + +#define IPC_64 0 diff --git a/configure b/configure index 6f5453f5..aac0c467 100755 --- a/configure +++ b/configure @@ -338,6 +338,7 @@ powerpc*|ppc*) ARCH=powerpc ;; riscv64*) ARCH=riscv64 ;; sh[1-9bel-]*|sh|superh*) ARCH=sh ;; s390x*) ARCH=s390x ;; +loongarch64*) ARCH=loongarch64 ;; unknown) fail "$0: unable to detect target arch; try $0 --target=..." ;; *) fail "$0: unknown or unsupported target \"$target\"" ;; esac diff --git a/crt/loongarch64/crti.s b/crt/loongarch64/crti.s new file mode 100644 index 00000000..96a754d3 --- /dev/null +++ b/crt/loongarch64/crti.s @@ -0,0 +1,15 @@ +.section .init +.global _init +_init: + addi.d $r3,$r3,-16 + st.d $fp,$r3,0 + st.d $ra,$r3,8 + addi.d $fp,$r3,16 + +.section .fini +.global _fini +_fini: + addi.d $r3,$r3,-16 + st.d $fp,$r3,0 + st.d $ra,$r3,8 + addi.d $fp,$r3,16 diff --git a/crt/loongarch64/crtn.s b/crt/loongarch64/crtn.s new file mode 100644 index 00000000..bffb18f4 --- /dev/null +++ b/crt/loongarch64/crtn.s @@ -0,0 +1,12 @@ +.section .init + ld.d $fp,$r3,0 + ld.d $ra,$r3,8 + addi.d $r3,$r3,16 + jirl $r0,$ra,0 + + +.section .fini + ld.d $fp,$r3,0 + ld.d $ra,$r3,8 + addi.d $r3,$r3,16 + jirl $r0,$ra,0 diff --git a/include/elf.h b/include/elf.h index 86e2f0bb..69b01ff4 100644 --- a/include/elf.h +++ b/include/elf.h @@ -697,6 +697,11 @@ typedef struct { #define NT_MIPS_FP_MODE 0x801 #define NT_MIPS_MSA 0x802 #define NT_VERSION 1 +#define NT_LOONGARCH_CPUCFG 0xa00 +#define NT_LOONGARCH_CSR 0xa01 +#define NT_LOONGARCH_LSX 0xa02 +#define NT_LOONGARCH_LASX 0xa03 +#define NT_LOONGARCH_LBT 0xa04 @@ -3288,6 +3293,67 @@ enum #define R_RISCV_SET32 56 #define R_RISCV_32_PCREL 57 +/* LoongISA ELF Flags */ +#define EM_LOONGARCH 258 + +#define EF_LARCH_ABI 0x0003 +#define EF_LARCH_ABI_LP64 0x0003 +#define EF_LARCH_ABI_LP32 0x0001 + +/* Loongarch specific dynamic relocations. */ +#define R_LARCH_NONE 0 +#define R_LARCH_32 1 +#define R_LARCH_64 2 +#define R_LARCH_RELATIVE 3 +#define R_LARCH_COPY 4 +#define R_LARCH_JUMP_SLOT 5 +#define R_LARCH_TLS_DTPMOD32 6 +#define R_LARCH_TLS_DTPMOD64 7 +#define R_LARCH_TLS_DTPREL32 8 +#define R_LARCH_TLS_DTPREL64 9 +#define R_LARCH_TLS_TPREL32 10 +#define R_LARCH_TLS_TPREL64 11 +#define R_LARCH_IRELATIVE 12 +#define R_LARCH_MARK_LA 20 +#define R_LARCH_MARK_PCREL 21 +#define R_LARCH_SOP_PUSH_PCREL 22 +#define R_LARCH_SOP_PUSH_ABSOLUTE 23 +#define R_LARCH_SOP_PUSH_DUP 24 +#define R_LARCH_SOP_PUSH_GPREL 25 +#define R_LARCH_SOP_PUSH_TLS_TPREL 26 +#define R_LARCH_SOP_PUSH_TLS_GOT 27 +#define R_LARCH_SOP_PUSH_TLS_GD 28 +#define R_LARCH_SOP_PUSH_PLT_PCREL 29 +#define R_LARCH_SOP_ASSERT 30 +#define R_LARCH_SOP_NOT 31 +#define R_LARCH_SOP_SUB 32 +#define R_LARCH_SOP_SL 33 +#define R_LARCH_SOP_SR 34 +#define R_LARCH_SOP_ADD 35 +#define R_LARCH_SOP_AND 36 +#define R_LARCH_SOP_IF_ELSE 37 +#define R_LARCH_SOP_POP_32_S_10_5 38 +#define R_LARCH_SOP_POP_32_U_10_12 39 +#define R_LARCH_SOP_POP_32_S_10_12 40 +#define R_LARCH_SOP_POP_32_S_10_16 41 +#define R_LARCH_SOP_POP_32_S_10_16_S2 42 +#define R_LARCH_SOP_POP_32_S_5_20 43 +#define R_LARCH_SOP_POP_32_S_0_5_10_16_S2 44 +#define R_LARCH_SOP_POP_32_S_0_10_10_16_S2 45 +#define R_LARCH_SOP_POP_32_U 46 +#define R_LARCH_ADD8 47 +#define R_LARCH_ADD16 48 +#define R_LARCH_ADD24 49 +#define R_LARCH_ADD32 50 +#define R_LARCH_ADD64 51 +#define R_LARCH_SUB8 52 +#define R_LARCH_SUB16 53 +#define R_LARCH_SUB24 54 +#define R_LARCH_SUB32 55 +#define R_LARCH_SUB64 56 +#define R_LARCH_GNU_VTINHERIT 57 +#define R_LARCH_GNU_VTENTRY 58 + #ifdef __cplusplus } #endif diff --git a/src/fenv/loongarch64/fenv.S b/src/fenv/loongarch64/fenv.S new file mode 100644 index 00000000..049234be --- /dev/null +++ b/src/fenv/loongarch64/fenv.S @@ -0,0 +1,72 @@ +#ifndef __loongarch_soft_float + +.global feclearexcept +.type feclearexcept,@function +feclearexcept: + li.w $a1, 0x1f0000 //flags in 16-20 bit of fcsr0. + and $a0, $a0, $a1 + movfcsr2gr $a1, $r0 + or $a1, $a1, $a0 + xor $a1, $a1, $a0 + movgr2fcsr $r0, $a1 + li.w $v0, 0 + jirl $zero, $ra, 0 + +.global feraiseexcept +.type feraiseexcept,@function +feraiseexcept: + li.w $a1, 0x1f0000 + and $a0, $a0, $a1 + movfcsr2gr $a1, $r0 + or $a1, $a1, $a0 + movgr2fcsr $r0, $a1 + li.w $v0, 0 + jirl $zero, $ra, 0 + +.global fetestexcept +.type fetestexcept,@function +fetestexcept: + li.w $a1, 0x1f0000 + and $a0, $a0, $a1 + movfcsr2gr $a1, $r0 + and $v0, $a1, $a0 + jirl $zero, $ra, 0 + +.global fegetround +.type fegetround,@function +fegetround: + movfcsr2gr $v0, $r0 + andi $v0, $v0, 0x300 //fcsr0.RM + jirl $zero, $ra, 0 + +.global __fesetround +.hidden __fesetround +.type __fesetround,@function +__fesetround: + movfcsr2gr $a1, $r0 + li.w $a2, -769 //0xfffffcff + and $a1, $a1, $a2 + or $a1, $a1, $a0 + movgr2fcsr $r0, $a1 + li.w $v0, 0 + jirl $zero, $ra, 0 + +.global fegetenv +.type fegetenv,@function +fegetenv: + movfcsr2gr $a1, $r0 + st.w $a1, $a0, 0 + li.w $v0, 0 + jirl $zero, $ra, 0 + +.global fesetenv +.type fesetenv,@function +fesetenv: + addi.d $a1, $a0, 1 + beq $a1, $r0, 1f + ld.w $a1, $a0, 0 +1: movgr2fcsr $r0, $a1 + li.w $v0, 0 + jirl $zero, $ra, 0 + +#endif diff --git a/src/ldso/loongarch64/dlsym.s b/src/ldso/loongarch64/dlsym.s new file mode 100644 index 00000000..5f51ed85 --- /dev/null +++ b/src/ldso/loongarch64/dlsym.s @@ -0,0 +1,7 @@ +.global dlsym +.hidden __dlsym +.type dlsym,@function +dlsym: + move $a2, $ra + la.global $r16, __dlsym + jirl $r0, $r16, 0 diff --git a/src/setjmp/loongarch64/longjmp.S b/src/setjmp/loongarch64/longjmp.S new file mode 100644 index 00000000..41d897ed --- /dev/null +++ b/src/setjmp/loongarch64/longjmp.S @@ -0,0 +1,37 @@ +.global _longjmp +.global longjmp +.type _longjmp,@function +.type longjmp,@function +_longjmp: +longjmp: + add.d $t5, $a0, $zero + add.d $v0, $a1, $zero + + bne $v0, $zero, 1f + addi.d $v0, $v0, 1 + +1: + ld.d $ra, $t5, 0 + ld.d $sp, $t5, 8 + ld.d $r21,$t5, 16 + ld.d $fp, $t5, 24 + ld.d $s0, $t5, 32 + ld.d $s1, $t5, 40 + ld.d $s2, $t5, 48 + ld.d $s3, $t5, 56 + ld.d $s4, $t5, 64 + ld.d $s5, $t5, 72 + ld.d $s6, $t5, 80 + ld.d $s7, $t5, 88 + ld.d $s8, $t5, 96 +#ifndef __loongarch64_soft_float + fld.d $fs0, $t5, 104 + fld.d $fs1, $t5, 112 + fld.d $fs2, $t5, 120 + fld.d $fs3, $t5, 128 + fld.d $fs4, $t5, 136 + fld.d $fs5, $t5, 144 + fld.d $fs6, $t5, 152 + fld.d $fs7, $t5, 160 +#endif + jirl $zero, $ra, 0 diff --git a/src/setjmp/loongarch64/setjmp.S b/src/setjmp/loongarch64/setjmp.S new file mode 100644 index 00000000..8dca3cb8 --- /dev/null +++ b/src/setjmp/loongarch64/setjmp.S @@ -0,0 +1,34 @@ +.global __setjmp +.global _setjmp +.global setjmp +.type __setjmp,@function +.type _setjmp,@function +.type setjmp,@function +__setjmp: +_setjmp: +setjmp: + st.d $ra, $a0, 0 + st.d $sp, $a0, 8 + st.d $r21,$a0, 16 + st.d $fp, $a0, 24 + st.d $s0, $a0, 32 + st.d $s1, $a0, 40 + st.d $s2, $a0, 48 + st.d $s3, $a0, 56 + st.d $s4, $a0, 64 + st.d $s5, $a0, 72 + st.d $s6, $a0, 80 + st.d $s7, $a0, 88 + st.d $s8, $a0, 96 +#ifndef __loongarch64_soft_float + fst.d $fs0, $a0, 104 + fst.d $fs1, $a0, 112 + fst.d $fs2, $a0, 120 + fst.d $fs3, $a0, 128 + fst.d $fs4, $a0, 136 + fst.d $fs5, $a0, 144 + fst.d $fs6, $a0, 152 + fst.d $fs7, $a0, 160 +#endif + xor $v0, $v0, $v0 + jirl $zero, $ra, 0 diff --git a/src/signal/loongarch64/restore.s b/src/signal/loongarch64/restore.s new file mode 100644 index 00000000..9bf015a0 --- /dev/null +++ b/src/signal/loongarch64/restore.s @@ -0,0 +1,10 @@ +.global __restore_rt +.global __restore +.hidden __restore_rt +.hidden __restore +.type __restore_rt,@function +.type __restore,@function +__restore_rt: +__restore: + ori $a7, $zero, 139 + syscall 0 diff --git a/src/signal/loongarch64/sigsetjmp.s b/src/signal/loongarch64/sigsetjmp.s new file mode 100644 index 00000000..d53f334a --- /dev/null +++ b/src/signal/loongarch64/sigsetjmp.s @@ -0,0 +1,29 @@ +.global sigsetjmp +.global __sigsetjmp +.type sigsetjmp,@function +.type __sigsetjmp,@function +sigsetjmp: +__sigsetjmp: + or $t5, $a0, $zero + or $t6, $a1, $zero + + # comparing save mask with 0, if equals to 0 then + # sigsetjmp is equal to setjmp. + beq $t6, $zero, 1f + st.d $ra, $t5, 168 + + # save base of got so that we can use it later + # once we return from 'longjmp' + la.global $t8, setjmp + jirl $ra, $t8, 0 + + or $v1, $v0, $zero # Return from 'setjmp' or 'longjmp' + ld.d $ra, $t5, 168 # Restore ra of sigsetjmp + or $a0, $t5, $zero + +.hidden __sigsetjmp_tail + la.global $t8, __sigsetjmp_tail + jirl $zero, $t8, 0 +1: + la.global $t8, setjmp + jirl $zero, $t8, 0 diff --git a/src/thread/loongarch64/__set_thread_area.s b/src/thread/loongarch64/__set_thread_area.s new file mode 100644 index 00000000..421cd381 --- /dev/null +++ b/src/thread/loongarch64/__set_thread_area.s @@ -0,0 +1,7 @@ +.global __set_thread_area +.hidden __set_thread_area +.type __set_thread_area,@function +__set_thread_area: + or $tp, $a0, $zero + ori $a0, $zero, 0 + jirl $zero, $ra, 0 diff --git a/src/thread/loongarch64/__unmapself.s b/src/thread/loongarch64/__unmapself.s new file mode 100644 index 00000000..b77e6d1d --- /dev/null +++ b/src/thread/loongarch64/__unmapself.s @@ -0,0 +1,7 @@ +.global __unmapself +.type __unmapself, @function +__unmapself: + li.d $a7, 215 + syscall 0 # call munmap + li.d $a7, 93 + syscall 0 # call exit diff --git a/src/thread/loongarch64/clone.s b/src/thread/loongarch64/clone.s new file mode 100644 index 00000000..ec920c7b --- /dev/null +++ b/src/thread/loongarch64/clone.s @@ -0,0 +1,47 @@ +#__clone(func, stack, flags, arg, ptid, tls, ctid) +# a0, a1, a2, a3, a4, a5, a6 +# sys_clone3(struct clone_args *cl_args, size_t size) +# a0 a1 + +.global __clone +.hidden __clone +.type __clone,@function +__clone: + # Save function pointer and argument pointer on new thread stack + addi.d $a1, $a1, -16 + st.d $a0, $a1, 0 # save function pointer + st.d $a3, $a1, 8 # save argument pointer + + li.d $t0, ~0x004000ff # mask CSIGNAL and CLONE_DETACHED + and $t1, $a2, $t0 # cl_args.flags + li.d $t0, 0x000000ff # CSIGNAL + and $t2, $a2, $t0 # cl_args.exit_signal + + bstrins.d $sp, $zero, 2, 0 # align stack to 8 bytes + addi.d $sp, $sp, -88 # struct clone_args + st.d $t1, $sp, 0 # flags + st.d $a4, $sp, 8 # pidfd + st.d $a6, $sp, 16 # child_tid + st.d $a4, $sp, 24 # parent_tid + st.d $t2, $sp, 32 # exit_signal + st.d $a1, $sp, 40 # stack + st.d $zero, $sp, 48 # stack_size + st.d $a5, $sp, 56 # tls + st.d $zero, $sp, 64 # set_tid + st.d $zero, $sp, 72 # set_tid_size + st.d $zero, $sp, 80 # cgroup + + move $a0, $sp + li.d $a1, 88 + li.d $a7, 435 # __NR_clone3 + syscall 0 # call clone3 + + beqz $a0, 1f # whether child process + addi.d $sp, $sp, 88 + jirl $zero, $ra, 0 # parent process return +1: + ld.d $t8, $sp, 0 # function pointer + ld.d $a0, $sp, 8 # argument pointer + jirl $ra, $t8, 0 # call the user's function + li.d $a7, 93 + syscall 0 # child process exit diff --git a/src/thread/loongarch64/syscall_cp.s b/src/thread/loongarch64/syscall_cp.s new file mode 100644 index 00000000..3903ed2c --- /dev/null +++ b/src/thread/loongarch64/syscall_cp.s @@ -0,0 +1,29 @@ +.global __cp_begin +.hidden __cp_begin +.global __cp_end +.hidden __cp_end +.global __cp_cancel +.hidden __cp_cancel +.hidden __cancel +.global __syscall_cp_asm +.hidden __syscall_cp_asm +.type __syscall_cp_asm,@function + +__syscall_cp_asm: +__cp_begin: + ld.w $a0, $a0, 0 + bnez $a0, __cp_cancel + or $t8, $a1, $zero # reserve system call number + or $a0, $a2, $zero + or $a1, $a3, $zero + or $a2, $a4, $zero + or $a3, $a5, $zero + or $a4, $a6, $zero + or $a5, $a7, $zero + or $a7, $t8, $zero + syscall 0 +__cp_end: + jirl $zero, $ra, 0 +__cp_cancel: + la.local $t8, __cancel + jirl $zero, $t8, 0 -- 2.34.1 ^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: [musl] Re: add loongarch64 port v4 2022-06-23 1:30 ` 王洪亮 @ 2022-06-23 1:59 ` Rich Felker 2022-07-05 12:56 ` 王洪亮 0 siblings, 1 reply; 7+ messages in thread From: Rich Felker @ 2022-06-23 1:59 UTC (permalink / raw) To: 王洪亮; +Cc: musl Hi. I just haven't gotten to reviewing it again. I'll try to take a good look in the next day or two. On Thu, Jun 23, 2022 at 09:30:55AM +0800, 王洪亮 wrote: > Hi, Rich > > this patch has any other problems need to be modified? > > Looking forward to your reply. thanks. > > > Hongliang Wang > > 在 2022/6/20 下午5:49, 王洪亮 写道: > >Hi, Rich > > > >1. this patch has any other problems need to be modified? > > > >2.what are the suggestions for support LA32 later? > > > > > >在 2022/6/14 下午3:23, 王洪亮 写道: > >>Hi, > >> > >>1. this patch has any other problems need to be modified? > >> > >>2.what are the suggestions for support LA32? > >> > >> > >>在 2022/6/8 上午11:56, 王洪亮 写道: > >>>Hi, > >>> > >>>I published loongarch64 port v4 in > >>>https://github.com/loongson/musl/tree/loongarch-v2.0. > >>> > >>>fixed the following problems: > >>> > >>>1.fixed the extension field of struct mcontext > >>> > >>>2.removed arch/loongarch64/kstat.h > >>> > >>>3.deleted the incorrect definition in arch/loongarch64/reloc.h > >>> > >>>4.optimize dlsym > >>> > >>>please code review if there are any other problems ? thanks. > >>> > >>>I have one questions: > >>> > >>>Through add "long__uc_pad" in struct ucontext_t to meet the > >>>extcontext[] 16 bytes alignment, > >>> > >>>if run in loongarch32, this method not meet the 16 bytes > >>>alignment requirement. how to do it ? > >>> > >>> > >>>Hongliang Wang. > >>> > >From 5535c500f137c3cb9ad36c7c96e7aaca440c85bd Mon Sep 17 00:00:00 2001 > From: wanghongliang <wanghongliang@loongson.cn> > Date: Wed, 8 Jun 2022 01:42:12 +0800 > Subject: [PATCH] add loongarch64 port v4. > > Author: xiaojuanZhai <zhaixiaojuan@loongson.cn> > Author: meidanLi <limeidan@loongson.cn> > Author: guoqiChen <chenguoqi@loongson.cn> > Author: xiaolinZhao <zhaoxiaolin@loongson.cn> > Author: Fanpeng <fanpeng@loongson.cn> > Author: jiantaoShan <shanjiantao@loongson.cn> > Author: xuhuiQiang <qiangxuhui@loongson.cn> > Author: jingyunHua <huajingyun@loongson.cn> > Author: liuxue <liuxue@loongson.cn> > Author: wanghongliang <wanghongliang@loongson.cn > > Signed-off-by: wanghongliang <wanghongliang@loongson.cn> > --- > arch/loongarch64/atomic_arch.h | 53 ++++ > arch/loongarch64/bits/alltypes.h.in | 18 ++ > arch/loongarch64/bits/fenv.h | 20 ++ > arch/loongarch64/bits/float.h | 16 ++ > arch/loongarch64/bits/hwcap.h | 14 + > arch/loongarch64/bits/posix.h | 2 + > arch/loongarch64/bits/ptrace.h | 4 + > arch/loongarch64/bits/reg.h | 66 +++++ > arch/loongarch64/bits/setjmp.h | 1 + > arch/loongarch64/bits/signal.h | 80 ++++++ > arch/loongarch64/bits/stat.h | 18 ++ > arch/loongarch64/bits/stdint.h | 20 ++ > arch/loongarch64/bits/syscall.h.in | 303 +++++++++++++++++++++ > arch/loongarch64/bits/user.h | 5 + > arch/loongarch64/crt_arch.h | 14 + > arch/loongarch64/pthread_arch.h | 13 + > arch/loongarch64/reloc.h | 27 ++ > arch/loongarch64/syscall_arch.h | 137 ++++++++++ > configure | 1 + > crt/loongarch64/crti.s | 15 + > crt/loongarch64/crtn.s | 12 + > include/elf.h | 66 +++++ > src/fenv/loongarch64/fenv.S | 72 +++++ > src/ldso/loongarch64/dlsym.s | 7 + > src/setjmp/loongarch64/longjmp.S | 37 +++ > src/setjmp/loongarch64/setjmp.S | 34 +++ > src/signal/loongarch64/restore.s | 10 + > src/signal/loongarch64/sigsetjmp.s | 29 ++ > src/thread/loongarch64/__set_thread_area.s | 7 + > src/thread/loongarch64/__unmapself.s | 7 + > src/thread/loongarch64/clone.s | 47 ++++ > src/thread/loongarch64/syscall_cp.s | 29 ++ > 32 files changed, 1184 insertions(+) > create mode 100644 arch/loongarch64/atomic_arch.h > create mode 100644 arch/loongarch64/bits/alltypes.h.in > create mode 100644 arch/loongarch64/bits/fenv.h > create mode 100644 arch/loongarch64/bits/float.h > create mode 100644 arch/loongarch64/bits/hwcap.h > create mode 100644 arch/loongarch64/bits/posix.h > create mode 100644 arch/loongarch64/bits/ptrace.h > create mode 100644 arch/loongarch64/bits/reg.h > create mode 100644 arch/loongarch64/bits/setjmp.h > create mode 100644 arch/loongarch64/bits/signal.h > create mode 100644 arch/loongarch64/bits/stat.h > create mode 100644 arch/loongarch64/bits/stdint.h > create mode 100644 arch/loongarch64/bits/syscall.h.in > create mode 100644 arch/loongarch64/bits/user.h > create mode 100644 arch/loongarch64/crt_arch.h > create mode 100644 arch/loongarch64/pthread_arch.h > create mode 100644 arch/loongarch64/reloc.h > create mode 100644 arch/loongarch64/syscall_arch.h > create mode 100644 crt/loongarch64/crti.s > create mode 100644 crt/loongarch64/crtn.s > create mode 100644 src/fenv/loongarch64/fenv.S > create mode 100644 src/ldso/loongarch64/dlsym.s > create mode 100644 src/setjmp/loongarch64/longjmp.S > create mode 100644 src/setjmp/loongarch64/setjmp.S > create mode 100644 src/signal/loongarch64/restore.s > create mode 100644 src/signal/loongarch64/sigsetjmp.s > create mode 100644 src/thread/loongarch64/__set_thread_area.s > create mode 100644 src/thread/loongarch64/__unmapself.s > create mode 100644 src/thread/loongarch64/clone.s > create mode 100644 src/thread/loongarch64/syscall_cp.s > > diff --git a/arch/loongarch64/atomic_arch.h b/arch/loongarch64/atomic_arch.h > new file mode 100644 > index 00000000..bf4805c9 > --- /dev/null > +++ b/arch/loongarch64/atomic_arch.h > @@ -0,0 +1,53 @@ > +#define a_ll a_ll > +static inline int a_ll(volatile int *p) > +{ > + int v; > + __asm__ __volatile__ ( > + "ll.w %0, %1" > + : "=r"(v) > + : "ZC"(*p)); > + return v; > +} > + > +#define a_sc a_sc > +static inline int a_sc(volatile int *p, int v) > +{ > + int r; > + __asm__ __volatile__ ( > + "sc.w %0, %1" > + : "=r"(r), "=ZC"(*p) > + : "0"(v) : "memory"); > + return r; > +} > + > +#define a_ll_p a_ll_p > +static inline void *a_ll_p(volatile void *p) > +{ > + void *v; > + __asm__ __volatile__ ( > + "ll.d %0, %1" > + : "=r"(v) > + : "ZC"(*(void *volatile *)p)); > + return v; > +} > + > +#define a_sc_p a_sc_p > +static inline int a_sc_p(volatile void *p, void *v) > +{ > + long r; > + __asm__ __volatile__ ( > + "sc.d %0, %1" > + : "=r"(r), "=ZC"(*(void *volatile *)p) > + : "0"(v) > + : "memory"); > + return r; > +} > + > +#define a_barrier a_barrier > +static inline void a_barrier() > +{ > + __asm__ __volatile__ ("dbar 0" : : : "memory"); > +} > + > +#define a_pre_llsc a_barrier > +#define a_post_llsc a_barrier > diff --git a/arch/loongarch64/bits/alltypes.h.in b/arch/loongarch64/bits/alltypes.h.in > new file mode 100644 > index 00000000..d1807aca > --- /dev/null > +++ b/arch/loongarch64/bits/alltypes.h.in > @@ -0,0 +1,18 @@ > +#define _Addr long > +#define _Int64 long > +#define _Reg long > + > +#define __BYTE_ORDER 1234 > +#define __LONG_MAX 0x7fffffffffffffffL > + > +#ifndef __cplusplus > +TYPEDEF int wchar_t; > +#endif > + > +TYPEDEF float float_t; > +TYPEDEF double double_t; > + > +TYPEDEF struct { long long __ll; long double __ld; } max_align_t; > + > +TYPEDEF unsigned nlink_t; > +TYPEDEF int blksize_t; > diff --git a/arch/loongarch64/bits/fenv.h b/arch/loongarch64/bits/fenv.h > new file mode 100644 > index 00000000..264cafb5 > --- /dev/null > +++ b/arch/loongarch64/bits/fenv.h > @@ -0,0 +1,20 @@ > +#define FE_INEXACT 0x010000 > +#define FE_UNDERFLOW 0x020000 > +#define FE_OVERFLOW 0x040000 > +#define FE_DIVBYZERO 0x080000 > +#define FE_INVALID 0x100000 > + > +#define FE_ALL_EXCEPT 0x1F0000 > + > +#define FE_TONEAREST 0x000 > +#define FE_TOWARDZERO 0x100 > +#define FE_UPWARD 0x200 > +#define FE_DOWNWARD 0x300 > + > +typedef unsigned fexcept_t; > + > +typedef struct { > + unsigned __cw; > +} fenv_t; > + > +#define FE_DFL_ENV ((const fenv_t *) -1) > diff --git a/arch/loongarch64/bits/float.h b/arch/loongarch64/bits/float.h > new file mode 100644 > index 00000000..719c7908 > --- /dev/null > +++ b/arch/loongarch64/bits/float.h > @@ -0,0 +1,16 @@ > +#define FLT_EVAL_METHOD 0 > + > +#define LDBL_TRUE_MIN 6.47517511943802511092443895822764655e-4966L > +#define LDBL_MIN 3.36210314311209350626267781732175260e-4932L > +#define LDBL_MAX 1.18973149535723176508575932662800702e+4932L > +#define LDBL_EPSILON 1.92592994438723585305597794258492732e-34L > + > +#define LDBL_MANT_DIG 113 > +#define LDBL_MIN_EXP (-16381) > +#define LDBL_MAX_EXP 16384 > + > +#define LDBL_DIG 33 > +#define LDBL_MIN_10_EXP (-4931) > +#define LDBL_MAX_10_EXP 4932 > + > +#define DECIMAL_DIG 36 > diff --git a/arch/loongarch64/bits/hwcap.h b/arch/loongarch64/bits/hwcap.h > new file mode 100644 > index 00000000..c9fa08f6 > --- /dev/null > +++ b/arch/loongarch64/bits/hwcap.h > @@ -0,0 +1,14 @@ > +/* HWCAP - Hardware Capabilities. > + * Hardware information is not clear at present, leave it blank. > + */ > +#define HWCAP_LOONGARCH_CPUCFG (1 << 0) > +#define HWCAP_LOONGARCH_FPU (1 << 1) > +#define HWCAP_LOONGARCH_LSX (1 << 2) /* support 128bit vectors*/ > +#define HWCAP_LOONGARCH_LASX (1 << 3) /* support 256bit vectors*/ > +#define HWCAP_LOONGARCH_LBT (1 << 4) /* support LBT*/ > +#define HWCAP_LOONGARCH_LVZ (1 << 5) /* support virtualization expansion*/ > +#define HWCAP_LOONGARCH_CRC32 (1 << 7) /* support CRC32 check*/ > +#define HWCAP_LOONGARCH_AES (1 << 6) > +#define HWCAP_LOONGARCH_SHA1 (1 << 8) > +#define HWCAP_LOONGARCH_SHA2 (1 << 9) > +#define HWCAP_LOONGARCH_SHA3 (1 << 10) > diff --git a/arch/loongarch64/bits/posix.h b/arch/loongarch64/bits/posix.h > new file mode 100644 > index 00000000..8068ce98 > --- /dev/null > +++ b/arch/loongarch64/bits/posix.h > @@ -0,0 +1,2 @@ > +#define _POSIX_V6_LP64_OFF64 1 > +#define _POSIX_V7_LP64_OFF64 1 > diff --git a/arch/loongarch64/bits/ptrace.h b/arch/loongarch64/bits/ptrace.h > new file mode 100644 > index 00000000..741fc668 > --- /dev/null > +++ b/arch/loongarch64/bits/ptrace.h > @@ -0,0 +1,4 @@ > +#define PTRACE_GET_THREAD_AREA 25 > +#define PTRACE_SET_THREAD_AREA 26 > +#define PTRACE_GET_WATCH_REGS 0xd0 > +#define PTRACE_SET_WATCH_REGS 0xd1 > diff --git a/arch/loongarch64/bits/reg.h b/arch/loongarch64/bits/reg.h > new file mode 100644 > index 00000000..5d3f92c5 > --- /dev/null > +++ b/arch/loongarch64/bits/reg.h > @@ -0,0 +1,66 @@ > +#undef __WORDSIZE > +#define __WORDSIZE 64 > +#define LOONGARCH64_EF_R0 0 > +#define LOONGARCH64_EF_R1 1 > +#define LOONGARCH64_EF_R2 2 > +#define LOONGARCH64_EF_R3 3 > +#define LOONGARCH64_EF_R4 4 > +#define LOONGARCH64_EF_R5 5 > +#define LOONGARCH64_EF_R6 6 > +#define LOONGARCH64_EF_R7 7 > +#define LOONGARCH64_EF_R8 8 > +#define LOONGARCH64_EF_R9 9 > +#define LOONGARCH64_EF_R10 10 > +#define LOONGARCH64_EF_R11 11 > +#define LOONGARCH64_EF_R12 12 > +#define LOONGARCH64_EF_R13 13 > +#define LOONGARCH64_EF_R14 14 > +#define LOONGARCH64_EF_R15 15 > +#define LOONGARCH64_EF_R16 16 > +#define LOONGARCH64_EF_R17 17 > +#define LOONGARCH64_EF_R18 18 > +#define LOONGARCH64_EF_R19 19 > +#define LOONGARCH64_EF_R20 20 > +#define LOONGARCH64_EF_R21 21 > +#define LOONGARCH64_EF_R22 22 > +#define LOONGARCH64_EF_R23 23 > +#define LOONGARCH64_EF_R24 24 > +#define LOONGARCH64_EF_R25 25 > +#define LOONGARCH64_EF_R26 26 > +#define LOONGARCH64_EF_R27 27 > +#define LOONGARCH64_EF_R28 28 > +#define LOONGARCH64_EF_R29 29 > +#define LOONGARCH64_EF_R30 30 > +#define LOONGARCH64_EF_R31 31 > + > +#define LOONGARCH64_EF_SIZE 304 /* size in bytes */ > + > +#define EF_R0 LOONGARCH64_EF_R0 > +#define EF_R1 LOONGARCH64_EF_R1 > +#define EF_R2 LOONGARCH64_EF_R2 > +#define EF_R3 LOONGARCH64_EF_R3 > +#define EF_R4 LOONGARCH64_EF_R4 > +#define EF_R5 LOONGARCH64_EF_R5 > +#define EF_R6 LOONGARCH64_EF_R6 > +#define EF_R7 LOONGARCH64_EF_R7 > +#define EF_R8 LOONGARCH64_EF_R8 > +#define EF_R9 LOONGARCH64_EF_R9 > +#define EF_R10 LOONGARCH64_EF_R10 > +#define EF_R11 LOONGARCH64_EF_R11 > +#define EF_R12 LOONGARCH64_EF_R12 > +#define EF_R13 LOONGARCH64_EF_R13 > +#define EF_R14 LOONGARCH64_EF_R14 > +#define EF_R15 LOONGARCH64_EF_R15 > +#define EF_R16 LOONGARCH64_EF_R16 > +#define EF_R17 LOONGARCH64_EF_R17 > +#define EF_R18 LOONGARCH64_EF_R18 > +#define EF_R19 LOONGARCH64_EF_R19 > +#define EF_R20 LOONGARCH64_EF_R20 > +#define EF_R21 LOONGARCH64_EF_R21 > +#define EF_R22 LOONGARCH64_EF_R22 > +#define EF_R23 LOONGARCH64_EF_R23 > +#define EF_R24 LOONGARCH64_EF_R24 > +#define EF_R25 LOONGARCH64_EF_R25 > +#define EF_R26 LOONGARCH64_EF_R26 > +#define EF_R27 LOONGARCH64_EF_R27 > +#define EF_R28 LOONGARCH64_EF_R28 > diff --git a/arch/loongarch64/bits/setjmp.h b/arch/loongarch64/bits/setjmp.h > new file mode 100644 > index 00000000..f4a7f8a3 > --- /dev/null > +++ b/arch/loongarch64/bits/setjmp.h > @@ -0,0 +1 @@ > +typedef unsigned long long __jmp_buf[22]; > diff --git a/arch/loongarch64/bits/signal.h b/arch/loongarch64/bits/signal.h > new file mode 100644 > index 00000000..4db790e7 > --- /dev/null > +++ b/arch/loongarch64/bits/signal.h > @@ -0,0 +1,80 @@ > +#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \ > + || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE) > + > +#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE) > +#define MINSIGSTKSZ 4096 > +#define SIGSTKSZ 16384 > +#endif > + > +typedef unsigned long greg_t, gregset_t[32]; > + > +typedef struct sigcontext { > + unsigned long pc; > + gregset_t gregs; > + unsigned int flags; > + unsigned long extcontext[]; > +} mcontext_t; > + > +struct sigaltstack { > + void *ss_sp; > + int ss_flags; > + size_t ss_size; > +}; > + > +typedef struct __ucontext > +{ > + unsigned long uc_flags; > + struct __ucontext *uc_link; > + stack_t uc_stack; > + sigset_t uc_sigmask; > + long __uc_pad; > + mcontext_t uc_mcontext; > +} ucontext_t; > + > +#define SA_NOCLDSTOP 1 > +#define SA_NOCLDWAIT 2 > +#define SA_SIGINFO 4 > +#define SA_ONSTACK 0x08000000 > +#define SA_RESTART 0x10000000 > +#define SA_NODEFER 0x40000000 > +#define SA_RESETHAND 0x80000000 > +#define SA_RESTORER 0x04000000 > + > +#endif > + > +#define SIGHUP 1 > +#define SIGINT 2 > +#define SIGQUIT 3 > +#define SIGILL 4 > +#define SIGTRAP 5 > +#define SIGABRT 6 > +#define SIGIOT SIGABRT > +#define SIGBUS 7 > +#define SIGFPE 8 > +#define SIGKILL 9 > +#define SIGUSR1 10 > +#define SIGSEGV 11 > +#define SIGUSR2 12 > +#define SIGPIPE 13 > +#define SIGALRM 14 > +#define SIGTERM 15 > +#define SIGSTKFLT 16 > +#define SIGCHLD 17 > +#define SIGCONT 18 > +#define SIGSTOP 19 > +#define SIGTSTP 20 > +#define SIGTTIN 21 > +#define SIGTTOU 22 > +#define SIGURG 23 > +#define SIGXCPU 24 > +#define SIGXFSZ 25 > +#define SIGVTALRM 26 > +#define SIGPROF 27 > +#define SIGWINCH 28 > +#define SIGIO 29 > +#define SIGPOLL SIGIO > +#define SIGPWR 30 > +#define SIGSYS 31 > +#define SIGUNUSED SIGSYS > + > +#define _NSIG 65 > diff --git a/arch/loongarch64/bits/stat.h b/arch/loongarch64/bits/stat.h > new file mode 100644 > index 00000000..b7f4221b > --- /dev/null > +++ b/arch/loongarch64/bits/stat.h > @@ -0,0 +1,18 @@ > +struct stat { > + dev_t st_dev; > + ino_t st_ino; > + mode_t st_mode; > + nlink_t st_nlink; > + uid_t st_uid; > + gid_t st_gid; > + dev_t st_rdev; > + unsigned long __pad; > + off_t st_size; > + blksize_t st_blksize; > + int __pad2; > + blkcnt_t st_blocks; > + struct timespec st_atim; > + struct timespec st_mtim; > + struct timespec st_ctim; > + unsigned __unused[2]; > +}; > diff --git a/arch/loongarch64/bits/stdint.h b/arch/loongarch64/bits/stdint.h > new file mode 100644 > index 00000000..1bb147f2 > --- /dev/null > +++ b/arch/loongarch64/bits/stdint.h > @@ -0,0 +1,20 @@ > +typedef int32_t int_fast16_t; > +typedef int32_t int_fast32_t; > +typedef uint32_t uint_fast16_t; > +typedef uint32_t uint_fast32_t; > + > +#define INT_FAST16_MIN INT32_MIN > +#define INT_FAST32_MIN INT32_MIN > + > +#define INT_FAST16_MAX INT32_MAX > +#define INT_FAST32_MAX INT32_MAX > + > +#define UINT_FAST16_MAX UINT32_MAX > +#define UINT_FAST32_MAX UINT32_MAX > + > +#define INTPTR_MIN INT64_MIN > +#define INTPTR_MAX INT64_MAX > +#define UINTPTR_MAX UINT64_MAX > +#define PTRDIFF_MIN INT64_MIN > +#define PTRDIFF_MAX INT64_MAX > +#define SIZE_MAX UINT64_MAX > diff --git a/arch/loongarch64/bits/syscall.h.in b/arch/loongarch64/bits/syscall.h.in > new file mode 100644 > index 00000000..689ff36b > --- /dev/null > +++ b/arch/loongarch64/bits/syscall.h.in > @@ -0,0 +1,303 @@ > +#define __NR_io_setup 0 > +#define __NR_io_destroy 1 > +#define __NR_io_submit 2 > +#define __NR_io_cancel 3 > +#define __NR_io_getevents 4 > +#define __NR_setxattr 5 > +#define __NR_lsetxattr 6 > +#define __NR_fsetxattr 7 > +#define __NR_getxattr 8 > +#define __NR_lgetxattr 9 > +#define __NR_fgetxattr 10 > +#define __NR_listxattr 11 > +#define __NR_llistxattr 12 > +#define __NR_flistxattr 13 > +#define __NR_removexattr 14 > +#define __NR_lremovexattr 15 > +#define __NR_fremovexattr 16 > +#define __NR_getcwd 17 > +#define __NR_lookup_dcookie 18 > +#define __NR_eventfd2 19 > +#define __NR_epoll_create1 20 > +#define __NR_epoll_ctl 21 > +#define __NR_epoll_pwait 22 > +#define __NR_dup 23 > +#define __NR_dup3 24 > +#define __NR3264_fcntl 25 > +#define __NR_inotify_init1 26 > +#define __NR_inotify_add_watch 27 > +#define __NR_inotify_rm_watch 28 > +#define __NR_ioctl 29 > +#define __NR_ioprio_set 30 > +#define __NR_ioprio_get 31 > +#define __NR_flock 32 > +#define __NR_mknodat 33 > +#define __NR_mkdirat 34 > +#define __NR_unlinkat 35 > +#define __NR_symlinkat 36 > +#define __NR_linkat 37 > +#define __NR_umount2 39 > +#define __NR_mount 40 > +#define __NR_pivot_root 41 > +#define __NR_nfsservctl 42 > +#define __NR3264_statfs 43 > +#define __NR3264_fstatfs 44 > +#define __NR3264_truncate 45 > +#define __NR3264_ftruncate 46 > +#define __NR_fallocate 47 > +#define __NR_faccessat 48 > +#define __NR_chdir 49 > +#define __NR_fchdir 50 > +#define __NR_chroot 51 > +#define __NR_fchmod 52 > +#define __NR_fchmodat 53 > +#define __NR_fchownat 54 > +#define __NR_fchown 55 > +#define __NR_openat 56 > +#define __NR_close 57 > +#define __NR_vhangup 58 > +#define __NR_pipe2 59 > +#define __NR_quotactl 60 > +#define __NR_getdents64 61 > +#define __NR3264_lseek 62 > +#define __NR_read 63 > +#define __NR_write 64 > +#define __NR_readv 65 > +#define __NR_writev 66 > +#define __NR_pread64 67 > +#define __NR_pwrite64 68 > +#define __NR_preadv 69 > +#define __NR_pwritev 70 > +#define __NR3264_sendfile 71 > +#define __NR_pselect6 72 > +#define __NR_ppoll 73 > +#define __NR_signalfd4 74 > +#define __NR_vmsplice 75 > +#define __NR_splice 76 > +#define __NR_tee 77 > +#define __NR_readlinkat 78 > +#define __NR_sync 81 > +#define __NR_fsync 82 > +#define __NR_fdatasync 83 > +#define __NR_sync_file_range 84 > +#define __NR_timerfd_create 85 > +#define __NR_timerfd_settime 86 > +#define __NR_timerfd_gettime 87 > +#define __NR_utimensat 88 > +#define __NR_acct 89 > +#define __NR_capget 90 > +#define __NR_capset 91 > +#define __NR_personality 92 > +#define __NR_exit 93 > +#define __NR_exit_group 94 > +#define __NR_waitid 95 > +#define __NR_set_tid_address 96 > +#define __NR_unshare 97 > +#define __NR_futex 98 > +#define __NR_set_robust_list 99 > +#define __NR_get_robust_list 100 > +#define __NR_nanosleep 101 > +#define __NR_getitimer 102 > +#define __NR_setitimer 103 > +#define __NR_kexec_load 104 > +#define __NR_init_module 105 > +#define __NR_delete_module 106 > +#define __NR_timer_create 107 > +#define __NR_timer_gettime 108 > +#define __NR_timer_getoverrun 109 > +#define __NR_timer_settime 110 > +#define __NR_timer_delete 111 > +#define __NR_clock_settime 112 > +#define __NR_clock_gettime 113 > +#define __NR_clock_getres 114 > +#define __NR_clock_nanosleep 115 > +#define __NR_syslog 116 > +#define __NR_ptrace 117 > +#define __NR_sched_setparam 118 > +#define __NR_sched_setscheduler 119 > +#define __NR_sched_getscheduler 120 > +#define __NR_sched_getparam 121 > +#define __NR_sched_setaffinity 122 > +#define __NR_sched_getaffinity 123 > +#define __NR_sched_yield 124 > +#define __NR_sched_get_priority_max 125 > +#define __NR_sched_get_priority_min 126 > +#define __NR_sched_rr_get_interval 127 > +#define __NR_restart_syscall 128 > +#define __NR_kill 129 > +#define __NR_tkill 130 > +#define __NR_tgkill 131 > +#define __NR_sigaltstack 132 > +#define __NR_rt_sigsuspend 133 > +#define __NR_rt_sigaction 134 > +#define __NR_rt_sigprocmask 135 > +#define __NR_rt_sigpending 136 > +#define __NR_rt_sigtimedwait 137 > +#define __NR_rt_sigqueueinfo 138 > +#define __NR_rt_sigreturn 139 > +#define __NR_setpriority 140 > +#define __NR_getpriority 141 > +#define __NR_reboot 142 > +#define __NR_setregid 143 > +#define __NR_setgid 144 > +#define __NR_setreuid 145 > +#define __NR_setuid 146 > +#define __NR_setresuid 147 > +#define __NR_getresuid 148 > +#define __NR_setresgid 149 > +#define __NR_getresgid 150 > +#define __NR_setfsuid 151 > +#define __NR_setfsgid 152 > +#define __NR_times 153 > +#define __NR_setpgid 154 > +#define __NR_getpgid 155 > +#define __NR_getsid 156 > +#define __NR_setsid 157 > +#define __NR_getgroups 158 > +#define __NR_setgroups 159 > +#define __NR_uname 160 > +#define __NR_sethostname 161 > +#define __NR_setdomainname 162 > +#define __NR_getrlimit 163 > +#define __NR_setrlimit 164 > +#define __NR_getrusage 165 > +#define __NR_umask 166 > +#define __NR_prctl 167 > +#define __NR_getcpu 168 > +#define __NR_gettimeofday 169 > +#define __NR_settimeofday 170 > +#define __NR_adjtimex 171 > +#define __NR_getpid 172 > +#define __NR_getppid 173 > +#define __NR_getuid 174 > +#define __NR_geteuid 175 > +#define __NR_getgid 176 > +#define __NR_getegid 177 > +#define __NR_gettid 178 > +#define __NR_sysinfo 179 > +#define __NR_mq_open 180 > +#define __NR_mq_unlink 181 > +#define __NR_mq_timedsend 182 > +#define __NR_mq_timedreceive 183 > +#define __NR_mq_notify 184 > +#define __NR_mq_getsetattr 185 > +#define __NR_msgget 186 > +#define __NR_msgctl 187 > +#define __NR_msgrcv 188 > +#define __NR_msgsnd 189 > +#define __NR_semget 190 > +#define __NR_semctl 191 > +#define __NR_semtimedop 192 > +#define __NR_semop 193 > +#define __NR_shmget 194 > +#define __NR_shmctl 195 > +#define __NR_shmat 196 > +#define __NR_shmdt 197 > +#define __NR_socket 198 > +#define __NR_socketpair 199 > +#define __NR_bind 200 > +#define __NR_listen 201 > +#define __NR_accept 202 > +#define __NR_connect 203 > +#define __NR_getsockname 204 > +#define __NR_getpeername 205 > +#define __NR_sendto 206 > +#define __NR_recvfrom 207 > +#define __NR_setsockopt 208 > +#define __NR_getsockopt 209 > +#define __NR_shutdown 210 > +#define __NR_sendmsg 211 > +#define __NR_recvmsg 212 > +#define __NR_readahead 213 > +#define __NR_brk 214 > +#define __NR_munmap 215 > +#define __NR_mremap 216 > +#define __NR_add_key 217 > +#define __NR_request_key 218 > +#define __NR_keyctl 219 > +#define __NR_clone 220 > +#define __NR_execve 221 > +#define __NR3264_mmap 222 > +#define __NR3264_fadvise64 223 > +#define __NR_swapon 224 > +#define __NR_swapoff 225 > +#define __NR_mprotect 226 > +#define __NR_msync 227 > +#define __NR_mlock 228 > +#define __NR_munlock 229 > +#define __NR_mlockall 230 > +#define __NR_munlockall 231 > +#define __NR_mincore 232 > +#define __NR_madvise 233 > +#define __NR_remap_file_pages 234 > +#define __NR_mbind 235 > +#define __NR_get_mempolicy 236 > +#define __NR_set_mempolicy 237 > +#define __NR_migrate_pages 238 > +#define __NR_move_pages 239 > +#define __NR_rt_tgsigqueueinfo 240 > +#define __NR_perf_event_open 241 > +#define __NR_accept4 242 > +#define __NR_recvmmsg 243 > +#define __NR_arch_specific_syscall 244 > +#define __NR_wait4 260 > +#define __NR_prlimit64 261 > +#define __NR_fanotify_init 262 > +#define __NR_fanotify_mark 263 > +#define __NR_name_to_handle_at 264 > +#define __NR_open_by_handle_at 265 > +#define __NR_clock_adjtime 266 > +#define __NR_syncfs 267 > +#define __NR_setns 268 > +#define __NR_sendmmsg 269 > +#define __NR_process_vm_readv 270 > +#define __NR_process_vm_writev 271 > +#define __NR_kcmp 272 > +#define __NR_finit_module 273 > +#define __NR_sched_setattr 274 > +#define __NR_sched_getattr 275 > +#define __NR_renameat2 276 > +#define __NR_seccomp 277 > +#define __NR_getrandom 278 > +#define __NR_memfd_create 279 > +#define __NR_bpf 280 > +#define __NR_execveat 281 > +#define __NR_userfaultfd 282 > +#define __NR_membarrier 283 > +#define __NR_mlock2 284 > +#define __NR_copy_file_range 285 > +#define __NR_preadv2 286 > +#define __NR_pwritev2 287 > +#define __NR_pkey_mprotect 288 > +#define __NR_pkey_alloc 289 > +#define __NR_pkey_free 290 > +#define __NR_statx 291 > +#define __NR_io_pgetevents 292 > +#define __NR_rseq 293 > +#define __NR_kexec_file_load 294 > +#define __NR_pidfd_send_signal 424 > +#define __NR_io_uring_setup 425 > +#define __NR_io_uring_enter 426 > +#define __NR_io_uring_register 427 > +#define __NR_open_tree 428 > +#define __NR_move_mount 429 > +#define __NR_fsopen 430 > +#define __NR_fsconfig 431 > +#define __NR_fsmount 432 > +#define __NR_fspick 433 > +#define __NR_pidfd_open 434 > +#define __NR_clone3 435 > +#define __NR_close_range 436 > +#define __NR_openat2 437 > +#define __NR_pidfd_getfd 438 > +#define __NR_faccessat2 439 > +#define __NR_process_madvise 440 > +#define __NR_fcntl __NR3264_fcntl > +#define __NR_statfs __NR3264_statfs > +#define __NR_fstatfs __NR3264_fstatfs > +#define __NR_truncate __NR3264_truncate > +#define __NR_ftruncate __NR3264_ftruncate > +#define __NR_lseek __NR3264_lseek > +#define __NR_sendfile __NR3264_sendfile > +#define __NR_mmap __NR3264_mmap > +#define __NR_fadvise64 __NR3264_fadvise64 > diff --git a/arch/loongarch64/bits/user.h b/arch/loongarch64/bits/user.h > new file mode 100644 > index 00000000..4d4cd534 > --- /dev/null > +++ b/arch/loongarch64/bits/user.h > @@ -0,0 +1,5 @@ > +#define ELF_NGREG 45 > +#define ELF_NFPREG 33 > + > +typedef unsigned long elf_greg_t, elf_gregset_t[ELF_NGREG]; > +typedef double elf_fpreg_t, elf_fpregset_t[ELF_NFPREG]; > diff --git a/arch/loongarch64/crt_arch.h b/arch/loongarch64/crt_arch.h > new file mode 100644 > index 00000000..c806a0bf > --- /dev/null > +++ b/arch/loongarch64/crt_arch.h > @@ -0,0 +1,14 @@ > +__asm__( > +".text \n" > +".global " START "\n" > +".type " START ", @function\n" > +START ":\n" > +" add.w $fp, $r0,$r0\n" > +" or $a0, $sp, $zero\n" > +".weak _DYNAMIC\n" > +".hidden _DYNAMIC\n" > +" la.local $a1, _DYNAMIC\n" > +" addi.w $t7, $r0, -16\n" > +" and $sp, $sp, $t7\n" > +" b " START "_c\n" > +); > diff --git a/arch/loongarch64/pthread_arch.h b/arch/loongarch64/pthread_arch.h > new file mode 100644 > index 00000000..95ee4c7a > --- /dev/null > +++ b/arch/loongarch64/pthread_arch.h > @@ -0,0 +1,13 @@ > +static inline uintptr_t __get_tp() > +{ > + register uintptr_t tp __asm__("tp"); > + __asm__ ("" : "=r" (tp) ); > + return tp; > +} > + > +#define TLS_ABOVE_TP > +#define GAP_ABOVE_TP 0 > + > +#define DTP_OFFSET 0 > + > +#define MC_PC pc > diff --git a/arch/loongarch64/reloc.h b/arch/loongarch64/reloc.h > new file mode 100644 > index 00000000..2f759a34 > --- /dev/null > +++ b/arch/loongarch64/reloc.h > @@ -0,0 +1,27 @@ > +#ifdef __loongarch64_soft_float > +#define FP_SUFFIX "-sf" > +#else > +#define FP_SUFFIX "" > +#endif > + > +#define LDSO_ARCH "loongarch64" FP_SUFFIX > + > +#define TPOFF_K (0x0) > + > +#define REL_PLT R_LARCH_JUMP_SLOT > +#define REL_COPY R_LARCH_COPY > +#define REL_DTPMOD R_LARCH_TLS_DTPMOD64 > +#define REL_DTPOFF R_LARCH_TLS_DTPREL64 > +#define REL_TPOFF R_LARCH_TLS_TPREL64 > +#define REL_RELATIVE R_LARCH_RELATIVE > +#define REL_SYMBOLIC R_LARCH_64 > + > +#define CRTJMP(pc,sp) __asm__ __volatile__( \ > + "move $sp,%1 ; jr %0" : : "r"(pc), "r"(sp) : "memory" ) > + > +#define GETFUNCSYM(fp, sym, got) __asm__ ( \ > + ".hidden " #sym "\n" \ > + ".align 8 \n" \ > + " la.local $t1, "#sym" \n" \ > + " or %0, $t1, $zero \n" \ > + : "=r"(*(fp)) : : "memory" ) > diff --git a/arch/loongarch64/syscall_arch.h b/arch/loongarch64/syscall_arch.h > new file mode 100644 > index 00000000..ddd29578 > --- /dev/null > +++ b/arch/loongarch64/syscall_arch.h > @@ -0,0 +1,137 @@ > +#define __SYSCALL_LL_E(x) (x) > +#define __SYSCALL_LL_O(x) (x) > + > +#define SYSCALL_CLOBBERLIST \ > + "$t0", "$t1", "$t2", "$t3", \ > + "$t4", "$t5", "$t6", "$t7", "$t8", "memory" > + > +static inline long __syscall0(long n) > +{ > + register long a7 __asm__("$a7") = n; > + register long a0 __asm__("$a0"); > + > + __asm__ __volatile__ ( > + "syscall 0" > + : "=r"(a0) > + : "r"(a7) > + : SYSCALL_CLOBBERLIST); > + return a0; > +} > + > +static inline long __syscall1(long n, long a) > +{ > + register long a7 __asm__("$a7") = n; > + register long a0 __asm__("$a0") = a; > + > + __asm__ __volatile__ ( > + "syscall 0" > + : "+r"(a0) > + : "r"(a7) > + : SYSCALL_CLOBBERLIST); > + return a0; > +} > + > +static inline long __syscall2(long n, long a, long b) > +{ > + register long a7 __asm__("$a7") = n; > + register long a0 __asm__("$a0") = a; > + register long a1 __asm__("$a1") = b; > + > + __asm__ __volatile__ ( > + "syscall 0" > + : "+r"(a0) > + : "r"(a7), "r"(a1) > + : SYSCALL_CLOBBERLIST); > + return a0; > +} > + > +static inline long __syscall3(long n, long a, long b, long c) > +{ > + register long a7 __asm__("$a7") = n; > + register long a0 __asm__("$a0") = a; > + register long a1 __asm__("$a1") = b; > + register long a2 __asm__("$a2") = c; > + > + __asm__ __volatile__ ( > + "syscall 0" > + : "+r"(a0) > + : "r"(a7), "r"(a1), "r"(a2) > + : SYSCALL_CLOBBERLIST); > + return a0; > +} > + > +static inline long __syscall4(long n, long a, long b, long c, long d) > +{ > + register long a7 __asm__("$a7") = n; > + register long a0 __asm__("$a0") = a; > + register long a1 __asm__("$a1") = b; > + register long a2 __asm__("$a2") = c; > + register long a3 __asm__("$a3") = d; > + > + __asm__ __volatile__ ( > + "syscall 0" > + : "+r"(a0) > + : "r"(a7), "r"(a1), "r"(a2), "r"(a3) > + : SYSCALL_CLOBBERLIST); > + return a0; > +} > + > +static inline long __syscall5(long n, long a, long b, long c, long d, long e) > +{ > + register long a7 __asm__("$a7") = n; > + register long a0 __asm__("$a0") = a; > + register long a1 __asm__("$a1") = b; > + register long a2 __asm__("$a2") = c; > + register long a3 __asm__("$a3") = d; > + register long a4 __asm__("$a4") = e; > + > + __asm__ __volatile__ ( > + "syscall 0" > + : "+r"(a0) > + : "r"(a7), "r"(a1), "r"(a2), "r"(a3), "r"(a4) > + : SYSCALL_CLOBBERLIST); > + return a0; > +} > + > +static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f) > +{ > + register long a7 __asm__("$a7") = n; > + register long a0 __asm__("$a0") = a; > + register long a1 __asm__("$a1") = b; > + register long a2 __asm__("$a2") = c; > + register long a3 __asm__("$a3") = d; > + register long a4 __asm__("$a4") = e; > + register long a5 __asm__("$a5") = f; > + > + __asm__ __volatile__ ( > + "syscall 0" > + : "+r"(a0) > + : "r"(a7), "r"(a1), "r"(a2), "r"(a3), "r"(a4), "r"(a5) > + : SYSCALL_CLOBBERLIST); > + return a0; > +} > + > +static inline long __syscall7(long n, long a, long b, long c, long d, long e, long f, long g) > +{ > + register long a7 __asm__("$a7") = n; > + register long a0 __asm__("$a0") = a; > + register long a1 __asm__("$a1") = b; > + register long a2 __asm__("$a2") = c; > + register long a3 __asm__("$a3") = d; > + register long a4 __asm__("$a4") = e; > + register long a5 __asm__("$a5") = f; > + register long a6 __asm__("$a6") = g; > + > + __asm__ __volatile__ ( > + "syscall 0" > + : "+r"(a0) > + : "r"(a7), "r"(a1), "r"(a2), "r"(a3), "r"(a4), "r"(a5), "r"(a6) > + : SYSCALL_CLOBBERLIST); > + return a0; > +} > + > +#define VDSO_USEFUL > +#define VDSO_CGT_SYM "__vdso_clock_gettime" > +#define VDSO_CGT_VER "LINUX_2.6" > + > +#define IPC_64 0 > diff --git a/configure b/configure > index 6f5453f5..aac0c467 100755 > --- a/configure > +++ b/configure > @@ -338,6 +338,7 @@ powerpc*|ppc*) ARCH=powerpc ;; > riscv64*) ARCH=riscv64 ;; > sh[1-9bel-]*|sh|superh*) ARCH=sh ;; > s390x*) ARCH=s390x ;; > +loongarch64*) ARCH=loongarch64 ;; > unknown) fail "$0: unable to detect target arch; try $0 --target=..." ;; > *) fail "$0: unknown or unsupported target \"$target\"" ;; > esac > diff --git a/crt/loongarch64/crti.s b/crt/loongarch64/crti.s > new file mode 100644 > index 00000000..96a754d3 > --- /dev/null > +++ b/crt/loongarch64/crti.s > @@ -0,0 +1,15 @@ > +.section .init > +.global _init > +_init: > + addi.d $r3,$r3,-16 > + st.d $fp,$r3,0 > + st.d $ra,$r3,8 > + addi.d $fp,$r3,16 > + > +.section .fini > +.global _fini > +_fini: > + addi.d $r3,$r3,-16 > + st.d $fp,$r3,0 > + st.d $ra,$r3,8 > + addi.d $fp,$r3,16 > diff --git a/crt/loongarch64/crtn.s b/crt/loongarch64/crtn.s > new file mode 100644 > index 00000000..bffb18f4 > --- /dev/null > +++ b/crt/loongarch64/crtn.s > @@ -0,0 +1,12 @@ > +.section .init > + ld.d $fp,$r3,0 > + ld.d $ra,$r3,8 > + addi.d $r3,$r3,16 > + jirl $r0,$ra,0 > + > + > +.section .fini > + ld.d $fp,$r3,0 > + ld.d $ra,$r3,8 > + addi.d $r3,$r3,16 > + jirl $r0,$ra,0 > diff --git a/include/elf.h b/include/elf.h > index 86e2f0bb..69b01ff4 100644 > --- a/include/elf.h > +++ b/include/elf.h > @@ -697,6 +697,11 @@ typedef struct { > #define NT_MIPS_FP_MODE 0x801 > #define NT_MIPS_MSA 0x802 > #define NT_VERSION 1 > +#define NT_LOONGARCH_CPUCFG 0xa00 > +#define NT_LOONGARCH_CSR 0xa01 > +#define NT_LOONGARCH_LSX 0xa02 > +#define NT_LOONGARCH_LASX 0xa03 > +#define NT_LOONGARCH_LBT 0xa04 > > > > @@ -3288,6 +3293,67 @@ enum > #define R_RISCV_SET32 56 > #define R_RISCV_32_PCREL 57 > > +/* LoongISA ELF Flags */ > +#define EM_LOONGARCH 258 > + > +#define EF_LARCH_ABI 0x0003 > +#define EF_LARCH_ABI_LP64 0x0003 > +#define EF_LARCH_ABI_LP32 0x0001 > + > +/* Loongarch specific dynamic relocations. */ > +#define R_LARCH_NONE 0 > +#define R_LARCH_32 1 > +#define R_LARCH_64 2 > +#define R_LARCH_RELATIVE 3 > +#define R_LARCH_COPY 4 > +#define R_LARCH_JUMP_SLOT 5 > +#define R_LARCH_TLS_DTPMOD32 6 > +#define R_LARCH_TLS_DTPMOD64 7 > +#define R_LARCH_TLS_DTPREL32 8 > +#define R_LARCH_TLS_DTPREL64 9 > +#define R_LARCH_TLS_TPREL32 10 > +#define R_LARCH_TLS_TPREL64 11 > +#define R_LARCH_IRELATIVE 12 > +#define R_LARCH_MARK_LA 20 > +#define R_LARCH_MARK_PCREL 21 > +#define R_LARCH_SOP_PUSH_PCREL 22 > +#define R_LARCH_SOP_PUSH_ABSOLUTE 23 > +#define R_LARCH_SOP_PUSH_DUP 24 > +#define R_LARCH_SOP_PUSH_GPREL 25 > +#define R_LARCH_SOP_PUSH_TLS_TPREL 26 > +#define R_LARCH_SOP_PUSH_TLS_GOT 27 > +#define R_LARCH_SOP_PUSH_TLS_GD 28 > +#define R_LARCH_SOP_PUSH_PLT_PCREL 29 > +#define R_LARCH_SOP_ASSERT 30 > +#define R_LARCH_SOP_NOT 31 > +#define R_LARCH_SOP_SUB 32 > +#define R_LARCH_SOP_SL 33 > +#define R_LARCH_SOP_SR 34 > +#define R_LARCH_SOP_ADD 35 > +#define R_LARCH_SOP_AND 36 > +#define R_LARCH_SOP_IF_ELSE 37 > +#define R_LARCH_SOP_POP_32_S_10_5 38 > +#define R_LARCH_SOP_POP_32_U_10_12 39 > +#define R_LARCH_SOP_POP_32_S_10_12 40 > +#define R_LARCH_SOP_POP_32_S_10_16 41 > +#define R_LARCH_SOP_POP_32_S_10_16_S2 42 > +#define R_LARCH_SOP_POP_32_S_5_20 43 > +#define R_LARCH_SOP_POP_32_S_0_5_10_16_S2 44 > +#define R_LARCH_SOP_POP_32_S_0_10_10_16_S2 45 > +#define R_LARCH_SOP_POP_32_U 46 > +#define R_LARCH_ADD8 47 > +#define R_LARCH_ADD16 48 > +#define R_LARCH_ADD24 49 > +#define R_LARCH_ADD32 50 > +#define R_LARCH_ADD64 51 > +#define R_LARCH_SUB8 52 > +#define R_LARCH_SUB16 53 > +#define R_LARCH_SUB24 54 > +#define R_LARCH_SUB32 55 > +#define R_LARCH_SUB64 56 > +#define R_LARCH_GNU_VTINHERIT 57 > +#define R_LARCH_GNU_VTENTRY 58 > + > #ifdef __cplusplus > } > #endif > diff --git a/src/fenv/loongarch64/fenv.S b/src/fenv/loongarch64/fenv.S > new file mode 100644 > index 00000000..049234be > --- /dev/null > +++ b/src/fenv/loongarch64/fenv.S > @@ -0,0 +1,72 @@ > +#ifndef __loongarch_soft_float > + > +.global feclearexcept > +.type feclearexcept,@function > +feclearexcept: > + li.w $a1, 0x1f0000 //flags in 16-20 bit of fcsr0. > + and $a0, $a0, $a1 > + movfcsr2gr $a1, $r0 > + or $a1, $a1, $a0 > + xor $a1, $a1, $a0 > + movgr2fcsr $r0, $a1 > + li.w $v0, 0 > + jirl $zero, $ra, 0 > + > +.global feraiseexcept > +.type feraiseexcept,@function > +feraiseexcept: > + li.w $a1, 0x1f0000 > + and $a0, $a0, $a1 > + movfcsr2gr $a1, $r0 > + or $a1, $a1, $a0 > + movgr2fcsr $r0, $a1 > + li.w $v0, 0 > + jirl $zero, $ra, 0 > + > +.global fetestexcept > +.type fetestexcept,@function > +fetestexcept: > + li.w $a1, 0x1f0000 > + and $a0, $a0, $a1 > + movfcsr2gr $a1, $r0 > + and $v0, $a1, $a0 > + jirl $zero, $ra, 0 > + > +.global fegetround > +.type fegetround,@function > +fegetround: > + movfcsr2gr $v0, $r0 > + andi $v0, $v0, 0x300 //fcsr0.RM > + jirl $zero, $ra, 0 > + > +.global __fesetround > +.hidden __fesetround > +.type __fesetround,@function > +__fesetround: > + movfcsr2gr $a1, $r0 > + li.w $a2, -769 //0xfffffcff > + and $a1, $a1, $a2 > + or $a1, $a1, $a0 > + movgr2fcsr $r0, $a1 > + li.w $v0, 0 > + jirl $zero, $ra, 0 > + > +.global fegetenv > +.type fegetenv,@function > +fegetenv: > + movfcsr2gr $a1, $r0 > + st.w $a1, $a0, 0 > + li.w $v0, 0 > + jirl $zero, $ra, 0 > + > +.global fesetenv > +.type fesetenv,@function > +fesetenv: > + addi.d $a1, $a0, 1 > + beq $a1, $r0, 1f > + ld.w $a1, $a0, 0 > +1: movgr2fcsr $r0, $a1 > + li.w $v0, 0 > + jirl $zero, $ra, 0 > + > +#endif > diff --git a/src/ldso/loongarch64/dlsym.s b/src/ldso/loongarch64/dlsym.s > new file mode 100644 > index 00000000..5f51ed85 > --- /dev/null > +++ b/src/ldso/loongarch64/dlsym.s > @@ -0,0 +1,7 @@ > +.global dlsym > +.hidden __dlsym > +.type dlsym,@function > +dlsym: > + move $a2, $ra > + la.global $r16, __dlsym > + jirl $r0, $r16, 0 > diff --git a/src/setjmp/loongarch64/longjmp.S b/src/setjmp/loongarch64/longjmp.S > new file mode 100644 > index 00000000..41d897ed > --- /dev/null > +++ b/src/setjmp/loongarch64/longjmp.S > @@ -0,0 +1,37 @@ > +.global _longjmp > +.global longjmp > +.type _longjmp,@function > +.type longjmp,@function > +_longjmp: > +longjmp: > + add.d $t5, $a0, $zero > + add.d $v0, $a1, $zero > + > + bne $v0, $zero, 1f > + addi.d $v0, $v0, 1 > + > +1: > + ld.d $ra, $t5, 0 > + ld.d $sp, $t5, 8 > + ld.d $r21,$t5, 16 > + ld.d $fp, $t5, 24 > + ld.d $s0, $t5, 32 > + ld.d $s1, $t5, 40 > + ld.d $s2, $t5, 48 > + ld.d $s3, $t5, 56 > + ld.d $s4, $t5, 64 > + ld.d $s5, $t5, 72 > + ld.d $s6, $t5, 80 > + ld.d $s7, $t5, 88 > + ld.d $s8, $t5, 96 > +#ifndef __loongarch64_soft_float > + fld.d $fs0, $t5, 104 > + fld.d $fs1, $t5, 112 > + fld.d $fs2, $t5, 120 > + fld.d $fs3, $t5, 128 > + fld.d $fs4, $t5, 136 > + fld.d $fs5, $t5, 144 > + fld.d $fs6, $t5, 152 > + fld.d $fs7, $t5, 160 > +#endif > + jirl $zero, $ra, 0 > diff --git a/src/setjmp/loongarch64/setjmp.S b/src/setjmp/loongarch64/setjmp.S > new file mode 100644 > index 00000000..8dca3cb8 > --- /dev/null > +++ b/src/setjmp/loongarch64/setjmp.S > @@ -0,0 +1,34 @@ > +.global __setjmp > +.global _setjmp > +.global setjmp > +.type __setjmp,@function > +.type _setjmp,@function > +.type setjmp,@function > +__setjmp: > +_setjmp: > +setjmp: > + st.d $ra, $a0, 0 > + st.d $sp, $a0, 8 > + st.d $r21,$a0, 16 > + st.d $fp, $a0, 24 > + st.d $s0, $a0, 32 > + st.d $s1, $a0, 40 > + st.d $s2, $a0, 48 > + st.d $s3, $a0, 56 > + st.d $s4, $a0, 64 > + st.d $s5, $a0, 72 > + st.d $s6, $a0, 80 > + st.d $s7, $a0, 88 > + st.d $s8, $a0, 96 > +#ifndef __loongarch64_soft_float > + fst.d $fs0, $a0, 104 > + fst.d $fs1, $a0, 112 > + fst.d $fs2, $a0, 120 > + fst.d $fs3, $a0, 128 > + fst.d $fs4, $a0, 136 > + fst.d $fs5, $a0, 144 > + fst.d $fs6, $a0, 152 > + fst.d $fs7, $a0, 160 > +#endif > + xor $v0, $v0, $v0 > + jirl $zero, $ra, 0 > diff --git a/src/signal/loongarch64/restore.s b/src/signal/loongarch64/restore.s > new file mode 100644 > index 00000000..9bf015a0 > --- /dev/null > +++ b/src/signal/loongarch64/restore.s > @@ -0,0 +1,10 @@ > +.global __restore_rt > +.global __restore > +.hidden __restore_rt > +.hidden __restore > +.type __restore_rt,@function > +.type __restore,@function > +__restore_rt: > +__restore: > + ori $a7, $zero, 139 > + syscall 0 > diff --git a/src/signal/loongarch64/sigsetjmp.s b/src/signal/loongarch64/sigsetjmp.s > new file mode 100644 > index 00000000..d53f334a > --- /dev/null > +++ b/src/signal/loongarch64/sigsetjmp.s > @@ -0,0 +1,29 @@ > +.global sigsetjmp > +.global __sigsetjmp > +.type sigsetjmp,@function > +.type __sigsetjmp,@function > +sigsetjmp: > +__sigsetjmp: > + or $t5, $a0, $zero > + or $t6, $a1, $zero > + > + # comparing save mask with 0, if equals to 0 then > + # sigsetjmp is equal to setjmp. > + beq $t6, $zero, 1f > + st.d $ra, $t5, 168 > + > + # save base of got so that we can use it later > + # once we return from 'longjmp' > + la.global $t8, setjmp > + jirl $ra, $t8, 0 > + > + or $v1, $v0, $zero # Return from 'setjmp' or 'longjmp' > + ld.d $ra, $t5, 168 # Restore ra of sigsetjmp > + or $a0, $t5, $zero > + > +.hidden __sigsetjmp_tail > + la.global $t8, __sigsetjmp_tail > + jirl $zero, $t8, 0 > +1: > + la.global $t8, setjmp > + jirl $zero, $t8, 0 > diff --git a/src/thread/loongarch64/__set_thread_area.s b/src/thread/loongarch64/__set_thread_area.s > new file mode 100644 > index 00000000..421cd381 > --- /dev/null > +++ b/src/thread/loongarch64/__set_thread_area.s > @@ -0,0 +1,7 @@ > +.global __set_thread_area > +.hidden __set_thread_area > +.type __set_thread_area,@function > +__set_thread_area: > + or $tp, $a0, $zero > + ori $a0, $zero, 0 > + jirl $zero, $ra, 0 > diff --git a/src/thread/loongarch64/__unmapself.s b/src/thread/loongarch64/__unmapself.s > new file mode 100644 > index 00000000..b77e6d1d > --- /dev/null > +++ b/src/thread/loongarch64/__unmapself.s > @@ -0,0 +1,7 @@ > +.global __unmapself > +.type __unmapself, @function > +__unmapself: > + li.d $a7, 215 > + syscall 0 # call munmap > + li.d $a7, 93 > + syscall 0 # call exit > diff --git a/src/thread/loongarch64/clone.s b/src/thread/loongarch64/clone.s > new file mode 100644 > index 00000000..ec920c7b > --- /dev/null > +++ b/src/thread/loongarch64/clone.s > @@ -0,0 +1,47 @@ > +#__clone(func, stack, flags, arg, ptid, tls, ctid) > +# a0, a1, a2, a3, a4, a5, a6 > +# sys_clone3(struct clone_args *cl_args, size_t size) > +# a0 a1 > + > +.global __clone > +.hidden __clone > +.type __clone,@function > +__clone: > + # Save function pointer and argument pointer on new thread stack > + addi.d $a1, $a1, -16 > + st.d $a0, $a1, 0 # save function pointer > + st.d $a3, $a1, 8 # save argument pointer > + > + li.d $t0, ~0x004000ff # mask CSIGNAL and CLONE_DETACHED > + and $t1, $a2, $t0 # cl_args.flags > + li.d $t0, 0x000000ff # CSIGNAL > + and $t2, $a2, $t0 # cl_args.exit_signal > + > + bstrins.d $sp, $zero, 2, 0 # align stack to 8 bytes > + addi.d $sp, $sp, -88 # struct clone_args > + st.d $t1, $sp, 0 # flags > + st.d $a4, $sp, 8 # pidfd > + st.d $a6, $sp, 16 # child_tid > + st.d $a4, $sp, 24 # parent_tid > + st.d $t2, $sp, 32 # exit_signal > + st.d $a1, $sp, 40 # stack > + st.d $zero, $sp, 48 # stack_size > + st.d $a5, $sp, 56 # tls > + st.d $zero, $sp, 64 # set_tid > + st.d $zero, $sp, 72 # set_tid_size > + st.d $zero, $sp, 80 # cgroup > + > + move $a0, $sp > + li.d $a1, 88 > + li.d $a7, 435 # __NR_clone3 > + syscall 0 # call clone3 > + > + beqz $a0, 1f # whether child process > + addi.d $sp, $sp, 88 > + jirl $zero, $ra, 0 # parent process return > +1: > + ld.d $t8, $sp, 0 # function pointer > + ld.d $a0, $sp, 8 # argument pointer > + jirl $ra, $t8, 0 # call the user's function > + li.d $a7, 93 > + syscall 0 # child process exit > diff --git a/src/thread/loongarch64/syscall_cp.s b/src/thread/loongarch64/syscall_cp.s > new file mode 100644 > index 00000000..3903ed2c > --- /dev/null > +++ b/src/thread/loongarch64/syscall_cp.s > @@ -0,0 +1,29 @@ > +.global __cp_begin > +.hidden __cp_begin > +.global __cp_end > +.hidden __cp_end > +.global __cp_cancel > +.hidden __cp_cancel > +.hidden __cancel > +.global __syscall_cp_asm > +.hidden __syscall_cp_asm > +.type __syscall_cp_asm,@function > + > +__syscall_cp_asm: > +__cp_begin: > + ld.w $a0, $a0, 0 > + bnez $a0, __cp_cancel > + or $t8, $a1, $zero # reserve system call number > + or $a0, $a2, $zero > + or $a1, $a3, $zero > + or $a2, $a4, $zero > + or $a3, $a5, $zero > + or $a4, $a6, $zero > + or $a5, $a7, $zero > + or $a7, $t8, $zero > + syscall 0 > +__cp_end: > + jirl $zero, $ra, 0 > +__cp_cancel: > + la.local $t8, __cancel > + jirl $zero, $t8, 0 > -- > 2.34.1 > ^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: [musl] Re: add loongarch64 port v4 2022-06-23 1:59 ` Rich Felker @ 2022-07-05 12:56 ` 王洪亮 2022-07-16 8:13 ` 王洪亮 0 siblings, 1 reply; 7+ messages in thread From: 王洪亮 @ 2022-07-05 12:56 UTC (permalink / raw) To: musl [-- Attachment #1: Type: text/plain, Size: 53258 bytes --] Hi, Rich Have you reviewed it? This patch has some new problems? 在 2022/6/23 上午9:59, Rich Felker 写道: > Hi. I just haven't gotten to reviewing it again. I'll try to take a > good look in the next day or two. > > On Thu, Jun 23, 2022 at 09:30:55AM +0800, 王洪亮 wrote: >> Hi, Rich >> >> this patch has any other problems need to be modified? >> >> Looking forward to your reply. thanks. >> >> >> Hongliang Wang >> >> 在 2022/6/20 下午5:49, 王洪亮 写道: >>> Hi, Rich >>> >>> 1. this patch has any other problems need to be modified? >>> >>> 2.what are the suggestions for support LA32 later? >>> >>> >>> 在 2022/6/14 下午3:23, 王洪亮 写道: >>>> Hi, >>>> >>>> 1. this patch has any other problems need to be modified? >>>> >>>> 2.what are the suggestions for support LA32? >>>> >>>> >>>> 在 2022/6/8 上午11:56, 王洪亮 写道: >>>>> Hi, >>>>> >>>>> I published loongarch64 port v4 in >>>>> https://github.com/loongson/musl/tree/loongarch-v2.0. >>>>> >>>>> fixed the following problems: >>>>> >>>>> 1.fixed the extension field of struct mcontext >>>>> >>>>> 2.removed arch/loongarch64/kstat.h >>>>> >>>>> 3.deleted the incorrect definition in arch/loongarch64/reloc.h >>>>> >>>>> 4.optimize dlsym >>>>> >>>>> please code review if there are any other problems ? thanks. >>>>> >>>>> I have one questions: >>>>> >>>>> Through add "long__uc_pad" in struct ucontext_t to meet the >>>>> extcontext[] 16 bytes alignment, >>>>> >>>>> if run in loongarch32, this method not meet the 16 bytes >>>>> alignment requirement. how to do it ? >>>>> >>>>> >>>>> Hongliang Wang. >>>>> >> >From 5535c500f137c3cb9ad36c7c96e7aaca440c85bd Mon Sep 17 00:00:00 2001 >> From: wanghongliang <wanghongliang@loongson.cn> >> Date: Wed, 8 Jun 2022 01:42:12 +0800 >> Subject: [PATCH] add loongarch64 port v4. >> >> Author: xiaojuanZhai <zhaixiaojuan@loongson.cn> >> Author: meidanLi <limeidan@loongson.cn> >> Author: guoqiChen <chenguoqi@loongson.cn> >> Author: xiaolinZhao <zhaoxiaolin@loongson.cn> >> Author: Fanpeng <fanpeng@loongson.cn> >> Author: jiantaoShan <shanjiantao@loongson.cn> >> Author: xuhuiQiang <qiangxuhui@loongson.cn> >> Author: jingyunHua <huajingyun@loongson.cn> >> Author: liuxue <liuxue@loongson.cn> >> Author: wanghongliang <wanghongliang@loongson.cn >> >> Signed-off-by: wanghongliang <wanghongliang@loongson.cn> >> --- >> arch/loongarch64/atomic_arch.h | 53 ++++ >> arch/loongarch64/bits/alltypes.h.in | 18 ++ >> arch/loongarch64/bits/fenv.h | 20 ++ >> arch/loongarch64/bits/float.h | 16 ++ >> arch/loongarch64/bits/hwcap.h | 14 + >> arch/loongarch64/bits/posix.h | 2 + >> arch/loongarch64/bits/ptrace.h | 4 + >> arch/loongarch64/bits/reg.h | 66 +++++ >> arch/loongarch64/bits/setjmp.h | 1 + >> arch/loongarch64/bits/signal.h | 80 ++++++ >> arch/loongarch64/bits/stat.h | 18 ++ >> arch/loongarch64/bits/stdint.h | 20 ++ >> arch/loongarch64/bits/syscall.h.in | 303 +++++++++++++++++++++ >> arch/loongarch64/bits/user.h | 5 + >> arch/loongarch64/crt_arch.h | 14 + >> arch/loongarch64/pthread_arch.h | 13 + >> arch/loongarch64/reloc.h | 27 ++ >> arch/loongarch64/syscall_arch.h | 137 ++++++++++ >> configure | 1 + >> crt/loongarch64/crti.s | 15 + >> crt/loongarch64/crtn.s | 12 + >> include/elf.h | 66 +++++ >> src/fenv/loongarch64/fenv.S | 72 +++++ >> src/ldso/loongarch64/dlsym.s | 7 + >> src/setjmp/loongarch64/longjmp.S | 37 +++ >> src/setjmp/loongarch64/setjmp.S | 34 +++ >> src/signal/loongarch64/restore.s | 10 + >> src/signal/loongarch64/sigsetjmp.s | 29 ++ >> src/thread/loongarch64/__set_thread_area.s | 7 + >> src/thread/loongarch64/__unmapself.s | 7 + >> src/thread/loongarch64/clone.s | 47 ++++ >> src/thread/loongarch64/syscall_cp.s | 29 ++ >> 32 files changed, 1184 insertions(+) >> create mode 100644 arch/loongarch64/atomic_arch.h >> create mode 100644 arch/loongarch64/bits/alltypes.h.in >> create mode 100644 arch/loongarch64/bits/fenv.h >> create mode 100644 arch/loongarch64/bits/float.h >> create mode 100644 arch/loongarch64/bits/hwcap.h >> create mode 100644 arch/loongarch64/bits/posix.h >> create mode 100644 arch/loongarch64/bits/ptrace.h >> create mode 100644 arch/loongarch64/bits/reg.h >> create mode 100644 arch/loongarch64/bits/setjmp.h >> create mode 100644 arch/loongarch64/bits/signal.h >> create mode 100644 arch/loongarch64/bits/stat.h >> create mode 100644 arch/loongarch64/bits/stdint.h >> create mode 100644 arch/loongarch64/bits/syscall.h.in >> create mode 100644 arch/loongarch64/bits/user.h >> create mode 100644 arch/loongarch64/crt_arch.h >> create mode 100644 arch/loongarch64/pthread_arch.h >> create mode 100644 arch/loongarch64/reloc.h >> create mode 100644 arch/loongarch64/syscall_arch.h >> create mode 100644 crt/loongarch64/crti.s >> create mode 100644 crt/loongarch64/crtn.s >> create mode 100644 src/fenv/loongarch64/fenv.S >> create mode 100644 src/ldso/loongarch64/dlsym.s >> create mode 100644 src/setjmp/loongarch64/longjmp.S >> create mode 100644 src/setjmp/loongarch64/setjmp.S >> create mode 100644 src/signal/loongarch64/restore.s >> create mode 100644 src/signal/loongarch64/sigsetjmp.s >> create mode 100644 src/thread/loongarch64/__set_thread_area.s >> create mode 100644 src/thread/loongarch64/__unmapself.s >> create mode 100644 src/thread/loongarch64/clone.s >> create mode 100644 src/thread/loongarch64/syscall_cp.s >> >> diff --git a/arch/loongarch64/atomic_arch.h b/arch/loongarch64/atomic_arch.h >> new file mode 100644 >> index 00000000..bf4805c9 >> --- /dev/null >> +++ b/arch/loongarch64/atomic_arch.h >> @@ -0,0 +1,53 @@ >> +#define a_ll a_ll >> +static inline int a_ll(volatile int *p) >> +{ >> + int v; >> + __asm__ __volatile__ ( >> + "ll.w %0, %1" >> + : "=r"(v) >> + : "ZC"(*p)); >> + return v; >> +} >> + >> +#define a_sc a_sc >> +static inline int a_sc(volatile int *p, int v) >> +{ >> + int r; >> + __asm__ __volatile__ ( >> + "sc.w %0, %1" >> + : "=r"(r), "=ZC"(*p) >> + : "0"(v) : "memory"); >> + return r; >> +} >> + >> +#define a_ll_p a_ll_p >> +static inline void *a_ll_p(volatile void *p) >> +{ >> + void *v; >> + __asm__ __volatile__ ( >> + "ll.d %0, %1" >> + : "=r"(v) >> + : "ZC"(*(void *volatile *)p)); >> + return v; >> +} >> + >> +#define a_sc_p a_sc_p >> +static inline int a_sc_p(volatile void *p, void *v) >> +{ >> + long r; >> + __asm__ __volatile__ ( >> + "sc.d %0, %1" >> + : "=r"(r), "=ZC"(*(void *volatile *)p) >> + : "0"(v) >> + : "memory"); >> + return r; >> +} >> + >> +#define a_barrier a_barrier >> +static inline void a_barrier() >> +{ >> + __asm__ __volatile__ ("dbar 0" : : : "memory"); >> +} >> + >> +#define a_pre_llsc a_barrier >> +#define a_post_llsc a_barrier >> diff --git a/arch/loongarch64/bits/alltypes.h.in b/arch/loongarch64/bits/alltypes.h.in >> new file mode 100644 >> index 00000000..d1807aca >> --- /dev/null >> +++ b/arch/loongarch64/bits/alltypes.h.in >> @@ -0,0 +1,18 @@ >> +#define _Addr long >> +#define _Int64 long >> +#define _Reg long >> + >> +#define __BYTE_ORDER 1234 >> +#define __LONG_MAX 0x7fffffffffffffffL >> + >> +#ifndef __cplusplus >> +TYPEDEF int wchar_t; >> +#endif >> + >> +TYPEDEF float float_t; >> +TYPEDEF double double_t; >> + >> +TYPEDEF struct { long long __ll; long double __ld; } max_align_t; >> + >> +TYPEDEF unsigned nlink_t; >> +TYPEDEF int blksize_t; >> diff --git a/arch/loongarch64/bits/fenv.h b/arch/loongarch64/bits/fenv.h >> new file mode 100644 >> index 00000000..264cafb5 >> --- /dev/null >> +++ b/arch/loongarch64/bits/fenv.h >> @@ -0,0 +1,20 @@ >> +#define FE_INEXACT 0x010000 >> +#define FE_UNDERFLOW 0x020000 >> +#define FE_OVERFLOW 0x040000 >> +#define FE_DIVBYZERO 0x080000 >> +#define FE_INVALID 0x100000 >> + >> +#define FE_ALL_EXCEPT 0x1F0000 >> + >> +#define FE_TONEAREST 0x000 >> +#define FE_TOWARDZERO 0x100 >> +#define FE_UPWARD 0x200 >> +#define FE_DOWNWARD 0x300 >> + >> +typedef unsigned fexcept_t; >> + >> +typedef struct { >> + unsigned __cw; >> +} fenv_t; >> + >> +#define FE_DFL_ENV ((const fenv_t *) -1) >> diff --git a/arch/loongarch64/bits/float.h b/arch/loongarch64/bits/float.h >> new file mode 100644 >> index 00000000..719c7908 >> --- /dev/null >> +++ b/arch/loongarch64/bits/float.h >> @@ -0,0 +1,16 @@ >> +#define FLT_EVAL_METHOD 0 >> + >> +#define LDBL_TRUE_MIN 6.47517511943802511092443895822764655e-4966L >> +#define LDBL_MIN 3.36210314311209350626267781732175260e-4932L >> +#define LDBL_MAX 1.18973149535723176508575932662800702e+4932L >> +#define LDBL_EPSILON 1.92592994438723585305597794258492732e-34L >> + >> +#define LDBL_MANT_DIG 113 >> +#define LDBL_MIN_EXP (-16381) >> +#define LDBL_MAX_EXP 16384 >> + >> +#define LDBL_DIG 33 >> +#define LDBL_MIN_10_EXP (-4931) >> +#define LDBL_MAX_10_EXP 4932 >> + >> +#define DECIMAL_DIG 36 >> diff --git a/arch/loongarch64/bits/hwcap.h b/arch/loongarch64/bits/hwcap.h >> new file mode 100644 >> index 00000000..c9fa08f6 >> --- /dev/null >> +++ b/arch/loongarch64/bits/hwcap.h >> @@ -0,0 +1,14 @@ >> +/* HWCAP - Hardware Capabilities. >> + * Hardware information is not clear at present, leave it blank. >> + */ >> +#define HWCAP_LOONGARCH_CPUCFG (1 << 0) >> +#define HWCAP_LOONGARCH_FPU (1 << 1) >> +#define HWCAP_LOONGARCH_LSX (1 << 2) /* support 128bit vectors*/ >> +#define HWCAP_LOONGARCH_LASX (1 << 3) /* support 256bit vectors*/ >> +#define HWCAP_LOONGARCH_LBT (1 << 4) /* support LBT*/ >> +#define HWCAP_LOONGARCH_LVZ (1 << 5) /* support virtualization expansion*/ >> +#define HWCAP_LOONGARCH_CRC32 (1 << 7) /* support CRC32 check*/ >> +#define HWCAP_LOONGARCH_AES (1 << 6) >> +#define HWCAP_LOONGARCH_SHA1 (1 << 8) >> +#define HWCAP_LOONGARCH_SHA2 (1 << 9) >> +#define HWCAP_LOONGARCH_SHA3 (1 << 10) >> diff --git a/arch/loongarch64/bits/posix.h b/arch/loongarch64/bits/posix.h >> new file mode 100644 >> index 00000000..8068ce98 >> --- /dev/null >> +++ b/arch/loongarch64/bits/posix.h >> @@ -0,0 +1,2 @@ >> +#define _POSIX_V6_LP64_OFF64 1 >> +#define _POSIX_V7_LP64_OFF64 1 >> diff --git a/arch/loongarch64/bits/ptrace.h b/arch/loongarch64/bits/ptrace.h >> new file mode 100644 >> index 00000000..741fc668 >> --- /dev/null >> +++ b/arch/loongarch64/bits/ptrace.h >> @@ -0,0 +1,4 @@ >> +#define PTRACE_GET_THREAD_AREA 25 >> +#define PTRACE_SET_THREAD_AREA 26 >> +#define PTRACE_GET_WATCH_REGS 0xd0 >> +#define PTRACE_SET_WATCH_REGS 0xd1 >> diff --git a/arch/loongarch64/bits/reg.h b/arch/loongarch64/bits/reg.h >> new file mode 100644 >> index 00000000..5d3f92c5 >> --- /dev/null >> +++ b/arch/loongarch64/bits/reg.h >> @@ -0,0 +1,66 @@ >> +#undef __WORDSIZE >> +#define __WORDSIZE 64 >> +#define LOONGARCH64_EF_R0 0 >> +#define LOONGARCH64_EF_R1 1 >> +#define LOONGARCH64_EF_R2 2 >> +#define LOONGARCH64_EF_R3 3 >> +#define LOONGARCH64_EF_R4 4 >> +#define LOONGARCH64_EF_R5 5 >> +#define LOONGARCH64_EF_R6 6 >> +#define LOONGARCH64_EF_R7 7 >> +#define LOONGARCH64_EF_R8 8 >> +#define LOONGARCH64_EF_R9 9 >> +#define LOONGARCH64_EF_R10 10 >> +#define LOONGARCH64_EF_R11 11 >> +#define LOONGARCH64_EF_R12 12 >> +#define LOONGARCH64_EF_R13 13 >> +#define LOONGARCH64_EF_R14 14 >> +#define LOONGARCH64_EF_R15 15 >> +#define LOONGARCH64_EF_R16 16 >> +#define LOONGARCH64_EF_R17 17 >> +#define LOONGARCH64_EF_R18 18 >> +#define LOONGARCH64_EF_R19 19 >> +#define LOONGARCH64_EF_R20 20 >> +#define LOONGARCH64_EF_R21 21 >> +#define LOONGARCH64_EF_R22 22 >> +#define LOONGARCH64_EF_R23 23 >> +#define LOONGARCH64_EF_R24 24 >> +#define LOONGARCH64_EF_R25 25 >> +#define LOONGARCH64_EF_R26 26 >> +#define LOONGARCH64_EF_R27 27 >> +#define LOONGARCH64_EF_R28 28 >> +#define LOONGARCH64_EF_R29 29 >> +#define LOONGARCH64_EF_R30 30 >> +#define LOONGARCH64_EF_R31 31 >> + >> +#define LOONGARCH64_EF_SIZE 304 /* size in bytes */ >> + >> +#define EF_R0 LOONGARCH64_EF_R0 >> +#define EF_R1 LOONGARCH64_EF_R1 >> +#define EF_R2 LOONGARCH64_EF_R2 >> +#define EF_R3 LOONGARCH64_EF_R3 >> +#define EF_R4 LOONGARCH64_EF_R4 >> +#define EF_R5 LOONGARCH64_EF_R5 >> +#define EF_R6 LOONGARCH64_EF_R6 >> +#define EF_R7 LOONGARCH64_EF_R7 >> +#define EF_R8 LOONGARCH64_EF_R8 >> +#define EF_R9 LOONGARCH64_EF_R9 >> +#define EF_R10 LOONGARCH64_EF_R10 >> +#define EF_R11 LOONGARCH64_EF_R11 >> +#define EF_R12 LOONGARCH64_EF_R12 >> +#define EF_R13 LOONGARCH64_EF_R13 >> +#define EF_R14 LOONGARCH64_EF_R14 >> +#define EF_R15 LOONGARCH64_EF_R15 >> +#define EF_R16 LOONGARCH64_EF_R16 >> +#define EF_R17 LOONGARCH64_EF_R17 >> +#define EF_R18 LOONGARCH64_EF_R18 >> +#define EF_R19 LOONGARCH64_EF_R19 >> +#define EF_R20 LOONGARCH64_EF_R20 >> +#define EF_R21 LOONGARCH64_EF_R21 >> +#define EF_R22 LOONGARCH64_EF_R22 >> +#define EF_R23 LOONGARCH64_EF_R23 >> +#define EF_R24 LOONGARCH64_EF_R24 >> +#define EF_R25 LOONGARCH64_EF_R25 >> +#define EF_R26 LOONGARCH64_EF_R26 >> +#define EF_R27 LOONGARCH64_EF_R27 >> +#define EF_R28 LOONGARCH64_EF_R28 >> diff --git a/arch/loongarch64/bits/setjmp.h b/arch/loongarch64/bits/setjmp.h >> new file mode 100644 >> index 00000000..f4a7f8a3 >> --- /dev/null >> +++ b/arch/loongarch64/bits/setjmp.h >> @@ -0,0 +1 @@ >> +typedef unsigned long long __jmp_buf[22]; >> diff --git a/arch/loongarch64/bits/signal.h b/arch/loongarch64/bits/signal.h >> new file mode 100644 >> index 00000000..4db790e7 >> --- /dev/null >> +++ b/arch/loongarch64/bits/signal.h >> @@ -0,0 +1,80 @@ >> +#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \ >> + || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE) >> + >> +#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE) >> +#define MINSIGSTKSZ 4096 >> +#define SIGSTKSZ 16384 >> +#endif >> + >> +typedef unsigned long greg_t, gregset_t[32]; >> + >> +typedef struct sigcontext { >> + unsigned long pc; >> + gregset_t gregs; >> + unsigned int flags; >> + unsigned long extcontext[]; >> +} mcontext_t; >> + >> +struct sigaltstack { >> + void *ss_sp; >> + int ss_flags; >> + size_t ss_size; >> +}; >> + >> +typedef struct __ucontext >> +{ >> + unsigned long uc_flags; >> + struct __ucontext *uc_link; >> + stack_t uc_stack; >> + sigset_t uc_sigmask; >> + long __uc_pad; >> + mcontext_t uc_mcontext; >> +} ucontext_t; >> + >> +#define SA_NOCLDSTOP 1 >> +#define SA_NOCLDWAIT 2 >> +#define SA_SIGINFO 4 >> +#define SA_ONSTACK 0x08000000 >> +#define SA_RESTART 0x10000000 >> +#define SA_NODEFER 0x40000000 >> +#define SA_RESETHAND 0x80000000 >> +#define SA_RESTORER 0x04000000 >> + >> +#endif >> + >> +#define SIGHUP 1 >> +#define SIGINT 2 >> +#define SIGQUIT 3 >> +#define SIGILL 4 >> +#define SIGTRAP 5 >> +#define SIGABRT 6 >> +#define SIGIOT SIGABRT >> +#define SIGBUS 7 >> +#define SIGFPE 8 >> +#define SIGKILL 9 >> +#define SIGUSR1 10 >> +#define SIGSEGV 11 >> +#define SIGUSR2 12 >> +#define SIGPIPE 13 >> +#define SIGALRM 14 >> +#define SIGTERM 15 >> +#define SIGSTKFLT 16 >> +#define SIGCHLD 17 >> +#define SIGCONT 18 >> +#define SIGSTOP 19 >> +#define SIGTSTP 20 >> +#define SIGTTIN 21 >> +#define SIGTTOU 22 >> +#define SIGURG 23 >> +#define SIGXCPU 24 >> +#define SIGXFSZ 25 >> +#define SIGVTALRM 26 >> +#define SIGPROF 27 >> +#define SIGWINCH 28 >> +#define SIGIO 29 >> +#define SIGPOLL SIGIO >> +#define SIGPWR 30 >> +#define SIGSYS 31 >> +#define SIGUNUSED SIGSYS >> + >> +#define _NSIG 65 >> diff --git a/arch/loongarch64/bits/stat.h b/arch/loongarch64/bits/stat.h >> new file mode 100644 >> index 00000000..b7f4221b >> --- /dev/null >> +++ b/arch/loongarch64/bits/stat.h >> @@ -0,0 +1,18 @@ >> +struct stat { >> + dev_t st_dev; >> + ino_t st_ino; >> + mode_t st_mode; >> + nlink_t st_nlink; >> + uid_t st_uid; >> + gid_t st_gid; >> + dev_t st_rdev; >> + unsigned long __pad; >> + off_t st_size; >> + blksize_t st_blksize; >> + int __pad2; >> + blkcnt_t st_blocks; >> + struct timespec st_atim; >> + struct timespec st_mtim; >> + struct timespec st_ctim; >> + unsigned __unused[2]; >> +}; >> diff --git a/arch/loongarch64/bits/stdint.h b/arch/loongarch64/bits/stdint.h >> new file mode 100644 >> index 00000000..1bb147f2 >> --- /dev/null >> +++ b/arch/loongarch64/bits/stdint.h >> @@ -0,0 +1,20 @@ >> +typedef int32_t int_fast16_t; >> +typedef int32_t int_fast32_t; >> +typedef uint32_t uint_fast16_t; >> +typedef uint32_t uint_fast32_t; >> + >> +#define INT_FAST16_MIN INT32_MIN >> +#define INT_FAST32_MIN INT32_MIN >> + >> +#define INT_FAST16_MAX INT32_MAX >> +#define INT_FAST32_MAX INT32_MAX >> + >> +#define UINT_FAST16_MAX UINT32_MAX >> +#define UINT_FAST32_MAX UINT32_MAX >> + >> +#define INTPTR_MIN INT64_MIN >> +#define INTPTR_MAX INT64_MAX >> +#define UINTPTR_MAX UINT64_MAX >> +#define PTRDIFF_MIN INT64_MIN >> +#define PTRDIFF_MAX INT64_MAX >> +#define SIZE_MAX UINT64_MAX >> diff --git a/arch/loongarch64/bits/syscall.h.in b/arch/loongarch64/bits/syscall.h.in >> new file mode 100644 >> index 00000000..689ff36b >> --- /dev/null >> +++ b/arch/loongarch64/bits/syscall.h.in >> @@ -0,0 +1,303 @@ >> +#define __NR_io_setup 0 >> +#define __NR_io_destroy 1 >> +#define __NR_io_submit 2 >> +#define __NR_io_cancel 3 >> +#define __NR_io_getevents 4 >> +#define __NR_setxattr 5 >> +#define __NR_lsetxattr 6 >> +#define __NR_fsetxattr 7 >> +#define __NR_getxattr 8 >> +#define __NR_lgetxattr 9 >> +#define __NR_fgetxattr 10 >> +#define __NR_listxattr 11 >> +#define __NR_llistxattr 12 >> +#define __NR_flistxattr 13 >> +#define __NR_removexattr 14 >> +#define __NR_lremovexattr 15 >> +#define __NR_fremovexattr 16 >> +#define __NR_getcwd 17 >> +#define __NR_lookup_dcookie 18 >> +#define __NR_eventfd2 19 >> +#define __NR_epoll_create1 20 >> +#define __NR_epoll_ctl 21 >> +#define __NR_epoll_pwait 22 >> +#define __NR_dup 23 >> +#define __NR_dup3 24 >> +#define __NR3264_fcntl 25 >> +#define __NR_inotify_init1 26 >> +#define __NR_inotify_add_watch 27 >> +#define __NR_inotify_rm_watch 28 >> +#define __NR_ioctl 29 >> +#define __NR_ioprio_set 30 >> +#define __NR_ioprio_get 31 >> +#define __NR_flock 32 >> +#define __NR_mknodat 33 >> +#define __NR_mkdirat 34 >> +#define __NR_unlinkat 35 >> +#define __NR_symlinkat 36 >> +#define __NR_linkat 37 >> +#define __NR_umount2 39 >> +#define __NR_mount 40 >> +#define __NR_pivot_root 41 >> +#define __NR_nfsservctl 42 >> +#define __NR3264_statfs 43 >> +#define __NR3264_fstatfs 44 >> +#define __NR3264_truncate 45 >> +#define __NR3264_ftruncate 46 >> +#define __NR_fallocate 47 >> +#define __NR_faccessat 48 >> +#define __NR_chdir 49 >> +#define __NR_fchdir 50 >> +#define __NR_chroot 51 >> +#define __NR_fchmod 52 >> +#define __NR_fchmodat 53 >> +#define __NR_fchownat 54 >> +#define __NR_fchown 55 >> +#define __NR_openat 56 >> +#define __NR_close 57 >> +#define __NR_vhangup 58 >> +#define __NR_pipe2 59 >> +#define __NR_quotactl 60 >> +#define __NR_getdents64 61 >> +#define __NR3264_lseek 62 >> +#define __NR_read 63 >> +#define __NR_write 64 >> +#define __NR_readv 65 >> +#define __NR_writev 66 >> +#define __NR_pread64 67 >> +#define __NR_pwrite64 68 >> +#define __NR_preadv 69 >> +#define __NR_pwritev 70 >> +#define __NR3264_sendfile 71 >> +#define __NR_pselect6 72 >> +#define __NR_ppoll 73 >> +#define __NR_signalfd4 74 >> +#define __NR_vmsplice 75 >> +#define __NR_splice 76 >> +#define __NR_tee 77 >> +#define __NR_readlinkat 78 >> +#define __NR_sync 81 >> +#define __NR_fsync 82 >> +#define __NR_fdatasync 83 >> +#define __NR_sync_file_range 84 >> +#define __NR_timerfd_create 85 >> +#define __NR_timerfd_settime 86 >> +#define __NR_timerfd_gettime 87 >> +#define __NR_utimensat 88 >> +#define __NR_acct 89 >> +#define __NR_capget 90 >> +#define __NR_capset 91 >> +#define __NR_personality 92 >> +#define __NR_exit 93 >> +#define __NR_exit_group 94 >> +#define __NR_waitid 95 >> +#define __NR_set_tid_address 96 >> +#define __NR_unshare 97 >> +#define __NR_futex 98 >> +#define __NR_set_robust_list 99 >> +#define __NR_get_robust_list 100 >> +#define __NR_nanosleep 101 >> +#define __NR_getitimer 102 >> +#define __NR_setitimer 103 >> +#define __NR_kexec_load 104 >> +#define __NR_init_module 105 >> +#define __NR_delete_module 106 >> +#define __NR_timer_create 107 >> +#define __NR_timer_gettime 108 >> +#define __NR_timer_getoverrun 109 >> +#define __NR_timer_settime 110 >> +#define __NR_timer_delete 111 >> +#define __NR_clock_settime 112 >> +#define __NR_clock_gettime 113 >> +#define __NR_clock_getres 114 >> +#define __NR_clock_nanosleep 115 >> +#define __NR_syslog 116 >> +#define __NR_ptrace 117 >> +#define __NR_sched_setparam 118 >> +#define __NR_sched_setscheduler 119 >> +#define __NR_sched_getscheduler 120 >> +#define __NR_sched_getparam 121 >> +#define __NR_sched_setaffinity 122 >> +#define __NR_sched_getaffinity 123 >> +#define __NR_sched_yield 124 >> +#define __NR_sched_get_priority_max 125 >> +#define __NR_sched_get_priority_min 126 >> +#define __NR_sched_rr_get_interval 127 >> +#define __NR_restart_syscall 128 >> +#define __NR_kill 129 >> +#define __NR_tkill 130 >> +#define __NR_tgkill 131 >> +#define __NR_sigaltstack 132 >> +#define __NR_rt_sigsuspend 133 >> +#define __NR_rt_sigaction 134 >> +#define __NR_rt_sigprocmask 135 >> +#define __NR_rt_sigpending 136 >> +#define __NR_rt_sigtimedwait 137 >> +#define __NR_rt_sigqueueinfo 138 >> +#define __NR_rt_sigreturn 139 >> +#define __NR_setpriority 140 >> +#define __NR_getpriority 141 >> +#define __NR_reboot 142 >> +#define __NR_setregid 143 >> +#define __NR_setgid 144 >> +#define __NR_setreuid 145 >> +#define __NR_setuid 146 >> +#define __NR_setresuid 147 >> +#define __NR_getresuid 148 >> +#define __NR_setresgid 149 >> +#define __NR_getresgid 150 >> +#define __NR_setfsuid 151 >> +#define __NR_setfsgid 152 >> +#define __NR_times 153 >> +#define __NR_setpgid 154 >> +#define __NR_getpgid 155 >> +#define __NR_getsid 156 >> +#define __NR_setsid 157 >> +#define __NR_getgroups 158 >> +#define __NR_setgroups 159 >> +#define __NR_uname 160 >> +#define __NR_sethostname 161 >> +#define __NR_setdomainname 162 >> +#define __NR_getrlimit 163 >> +#define __NR_setrlimit 164 >> +#define __NR_getrusage 165 >> +#define __NR_umask 166 >> +#define __NR_prctl 167 >> +#define __NR_getcpu 168 >> +#define __NR_gettimeofday 169 >> +#define __NR_settimeofday 170 >> +#define __NR_adjtimex 171 >> +#define __NR_getpid 172 >> +#define __NR_getppid 173 >> +#define __NR_getuid 174 >> +#define __NR_geteuid 175 >> +#define __NR_getgid 176 >> +#define __NR_getegid 177 >> +#define __NR_gettid 178 >> +#define __NR_sysinfo 179 >> +#define __NR_mq_open 180 >> +#define __NR_mq_unlink 181 >> +#define __NR_mq_timedsend 182 >> +#define __NR_mq_timedreceive 183 >> +#define __NR_mq_notify 184 >> +#define __NR_mq_getsetattr 185 >> +#define __NR_msgget 186 >> +#define __NR_msgctl 187 >> +#define __NR_msgrcv 188 >> +#define __NR_msgsnd 189 >> +#define __NR_semget 190 >> +#define __NR_semctl 191 >> +#define __NR_semtimedop 192 >> +#define __NR_semop 193 >> +#define __NR_shmget 194 >> +#define __NR_shmctl 195 >> +#define __NR_shmat 196 >> +#define __NR_shmdt 197 >> +#define __NR_socket 198 >> +#define __NR_socketpair 199 >> +#define __NR_bind 200 >> +#define __NR_listen 201 >> +#define __NR_accept 202 >> +#define __NR_connect 203 >> +#define __NR_getsockname 204 >> +#define __NR_getpeername 205 >> +#define __NR_sendto 206 >> +#define __NR_recvfrom 207 >> +#define __NR_setsockopt 208 >> +#define __NR_getsockopt 209 >> +#define __NR_shutdown 210 >> +#define __NR_sendmsg 211 >> +#define __NR_recvmsg 212 >> +#define __NR_readahead 213 >> +#define __NR_brk 214 >> +#define __NR_munmap 215 >> +#define __NR_mremap 216 >> +#define __NR_add_key 217 >> +#define __NR_request_key 218 >> +#define __NR_keyctl 219 >> +#define __NR_clone 220 >> +#define __NR_execve 221 >> +#define __NR3264_mmap 222 >> +#define __NR3264_fadvise64 223 >> +#define __NR_swapon 224 >> +#define __NR_swapoff 225 >> +#define __NR_mprotect 226 >> +#define __NR_msync 227 >> +#define __NR_mlock 228 >> +#define __NR_munlock 229 >> +#define __NR_mlockall 230 >> +#define __NR_munlockall 231 >> +#define __NR_mincore 232 >> +#define __NR_madvise 233 >> +#define __NR_remap_file_pages 234 >> +#define __NR_mbind 235 >> +#define __NR_get_mempolicy 236 >> +#define __NR_set_mempolicy 237 >> +#define __NR_migrate_pages 238 >> +#define __NR_move_pages 239 >> +#define __NR_rt_tgsigqueueinfo 240 >> +#define __NR_perf_event_open 241 >> +#define __NR_accept4 242 >> +#define __NR_recvmmsg 243 >> +#define __NR_arch_specific_syscall 244 >> +#define __NR_wait4 260 >> +#define __NR_prlimit64 261 >> +#define __NR_fanotify_init 262 >> +#define __NR_fanotify_mark 263 >> +#define __NR_name_to_handle_at 264 >> +#define __NR_open_by_handle_at 265 >> +#define __NR_clock_adjtime 266 >> +#define __NR_syncfs 267 >> +#define __NR_setns 268 >> +#define __NR_sendmmsg 269 >> +#define __NR_process_vm_readv 270 >> +#define __NR_process_vm_writev 271 >> +#define __NR_kcmp 272 >> +#define __NR_finit_module 273 >> +#define __NR_sched_setattr 274 >> +#define __NR_sched_getattr 275 >> +#define __NR_renameat2 276 >> +#define __NR_seccomp 277 >> +#define __NR_getrandom 278 >> +#define __NR_memfd_create 279 >> +#define __NR_bpf 280 >> +#define __NR_execveat 281 >> +#define __NR_userfaultfd 282 >> +#define __NR_membarrier 283 >> +#define __NR_mlock2 284 >> +#define __NR_copy_file_range 285 >> +#define __NR_preadv2 286 >> +#define __NR_pwritev2 287 >> +#define __NR_pkey_mprotect 288 >> +#define __NR_pkey_alloc 289 >> +#define __NR_pkey_free 290 >> +#define __NR_statx 291 >> +#define __NR_io_pgetevents 292 >> +#define __NR_rseq 293 >> +#define __NR_kexec_file_load 294 >> +#define __NR_pidfd_send_signal 424 >> +#define __NR_io_uring_setup 425 >> +#define __NR_io_uring_enter 426 >> +#define __NR_io_uring_register 427 >> +#define __NR_open_tree 428 >> +#define __NR_move_mount 429 >> +#define __NR_fsopen 430 >> +#define __NR_fsconfig 431 >> +#define __NR_fsmount 432 >> +#define __NR_fspick 433 >> +#define __NR_pidfd_open 434 >> +#define __NR_clone3 435 >> +#define __NR_close_range 436 >> +#define __NR_openat2 437 >> +#define __NR_pidfd_getfd 438 >> +#define __NR_faccessat2 439 >> +#define __NR_process_madvise 440 >> +#define __NR_fcntl __NR3264_fcntl >> +#define __NR_statfs __NR3264_statfs >> +#define __NR_fstatfs __NR3264_fstatfs >> +#define __NR_truncate __NR3264_truncate >> +#define __NR_ftruncate __NR3264_ftruncate >> +#define __NR_lseek __NR3264_lseek >> +#define __NR_sendfile __NR3264_sendfile >> +#define __NR_mmap __NR3264_mmap >> +#define __NR_fadvise64 __NR3264_fadvise64 >> diff --git a/arch/loongarch64/bits/user.h b/arch/loongarch64/bits/user.h >> new file mode 100644 >> index 00000000..4d4cd534 >> --- /dev/null >> +++ b/arch/loongarch64/bits/user.h >> @@ -0,0 +1,5 @@ >> +#define ELF_NGREG 45 >> +#define ELF_NFPREG 33 >> + >> +typedef unsigned long elf_greg_t, elf_gregset_t[ELF_NGREG]; >> +typedef double elf_fpreg_t, elf_fpregset_t[ELF_NFPREG]; >> diff --git a/arch/loongarch64/crt_arch.h b/arch/loongarch64/crt_arch.h >> new file mode 100644 >> index 00000000..c806a0bf >> --- /dev/null >> +++ b/arch/loongarch64/crt_arch.h >> @@ -0,0 +1,14 @@ >> +__asm__( >> +".text \n" >> +".global " START "\n" >> +".type " START ", @function\n" >> +START ":\n" >> +" add.w $fp, $r0,$r0\n" >> +" or $a0, $sp, $zero\n" >> +".weak _DYNAMIC\n" >> +".hidden _DYNAMIC\n" >> +" la.local $a1, _DYNAMIC\n" >> +" addi.w $t7, $r0, -16\n" >> +" and $sp, $sp, $t7\n" >> +" b " START "_c\n" >> +); >> diff --git a/arch/loongarch64/pthread_arch.h b/arch/loongarch64/pthread_arch.h >> new file mode 100644 >> index 00000000..95ee4c7a >> --- /dev/null >> +++ b/arch/loongarch64/pthread_arch.h >> @@ -0,0 +1,13 @@ >> +static inline uintptr_t __get_tp() >> +{ >> + register uintptr_t tp __asm__("tp"); >> + __asm__ ("" : "=r" (tp) ); >> + return tp; >> +} >> + >> +#define TLS_ABOVE_TP >> +#define GAP_ABOVE_TP 0 >> + >> +#define DTP_OFFSET 0 >> + >> +#define MC_PC pc >> diff --git a/arch/loongarch64/reloc.h b/arch/loongarch64/reloc.h >> new file mode 100644 >> index 00000000..2f759a34 >> --- /dev/null >> +++ b/arch/loongarch64/reloc.h >> @@ -0,0 +1,27 @@ >> +#ifdef __loongarch64_soft_float >> +#define FP_SUFFIX "-sf" >> +#else >> +#define FP_SUFFIX "" >> +#endif >> + >> +#define LDSO_ARCH "loongarch64" FP_SUFFIX >> + >> +#define TPOFF_K (0x0) >> + >> +#define REL_PLT R_LARCH_JUMP_SLOT >> +#define REL_COPY R_LARCH_COPY >> +#define REL_DTPMOD R_LARCH_TLS_DTPMOD64 >> +#define REL_DTPOFF R_LARCH_TLS_DTPREL64 >> +#define REL_TPOFF R_LARCH_TLS_TPREL64 >> +#define REL_RELATIVE R_LARCH_RELATIVE >> +#define REL_SYMBOLIC R_LARCH_64 >> + >> +#define CRTJMP(pc,sp) __asm__ __volatile__( \ >> + "move $sp,%1 ; jr %0" : : "r"(pc), "r"(sp) : "memory" ) >> + >> +#define GETFUNCSYM(fp, sym, got) __asm__ ( \ >> + ".hidden " #sym "\n" \ >> + ".align 8 \n" \ >> + " la.local $t1, "#sym" \n" \ >> + " or %0, $t1, $zero \n" \ >> + : "=r"(*(fp)) : : "memory" ) >> diff --git a/arch/loongarch64/syscall_arch.h b/arch/loongarch64/syscall_arch.h >> new file mode 100644 >> index 00000000..ddd29578 >> --- /dev/null >> +++ b/arch/loongarch64/syscall_arch.h >> @@ -0,0 +1,137 @@ >> +#define __SYSCALL_LL_E(x) (x) >> +#define __SYSCALL_LL_O(x) (x) >> + >> +#define SYSCALL_CLOBBERLIST \ >> + "$t0", "$t1", "$t2", "$t3", \ >> + "$t4", "$t5", "$t6", "$t7", "$t8", "memory" >> + >> +static inline long __syscall0(long n) >> +{ >> + register long a7 __asm__("$a7") = n; >> + register long a0 __asm__("$a0"); >> + >> + __asm__ __volatile__ ( >> + "syscall 0" >> + : "=r"(a0) >> + : "r"(a7) >> + : SYSCALL_CLOBBERLIST); >> + return a0; >> +} >> + >> +static inline long __syscall1(long n, long a) >> +{ >> + register long a7 __asm__("$a7") = n; >> + register long a0 __asm__("$a0") = a; >> + >> + __asm__ __volatile__ ( >> + "syscall 0" >> + : "+r"(a0) >> + : "r"(a7) >> + : SYSCALL_CLOBBERLIST); >> + return a0; >> +} >> + >> +static inline long __syscall2(long n, long a, long b) >> +{ >> + register long a7 __asm__("$a7") = n; >> + register long a0 __asm__("$a0") = a; >> + register long a1 __asm__("$a1") = b; >> + >> + __asm__ __volatile__ ( >> + "syscall 0" >> + : "+r"(a0) >> + : "r"(a7), "r"(a1) >> + : SYSCALL_CLOBBERLIST); >> + return a0; >> +} >> + >> +static inline long __syscall3(long n, long a, long b, long c) >> +{ >> + register long a7 __asm__("$a7") = n; >> + register long a0 __asm__("$a0") = a; >> + register long a1 __asm__("$a1") = b; >> + register long a2 __asm__("$a2") = c; >> + >> + __asm__ __volatile__ ( >> + "syscall 0" >> + : "+r"(a0) >> + : "r"(a7), "r"(a1), "r"(a2) >> + : SYSCALL_CLOBBERLIST); >> + return a0; >> +} >> + >> +static inline long __syscall4(long n, long a, long b, long c, long d) >> +{ >> + register long a7 __asm__("$a7") = n; >> + register long a0 __asm__("$a0") = a; >> + register long a1 __asm__("$a1") = b; >> + register long a2 __asm__("$a2") = c; >> + register long a3 __asm__("$a3") = d; >> + >> + __asm__ __volatile__ ( >> + "syscall 0" >> + : "+r"(a0) >> + : "r"(a7), "r"(a1), "r"(a2), "r"(a3) >> + : SYSCALL_CLOBBERLIST); >> + return a0; >> +} >> + >> +static inline long __syscall5(long n, long a, long b, long c, long d, long e) >> +{ >> + register long a7 __asm__("$a7") = n; >> + register long a0 __asm__("$a0") = a; >> + register long a1 __asm__("$a1") = b; >> + register long a2 __asm__("$a2") = c; >> + register long a3 __asm__("$a3") = d; >> + register long a4 __asm__("$a4") = e; >> + >> + __asm__ __volatile__ ( >> + "syscall 0" >> + : "+r"(a0) >> + : "r"(a7), "r"(a1), "r"(a2), "r"(a3), "r"(a4) >> + : SYSCALL_CLOBBERLIST); >> + return a0; >> +} >> + >> +static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f) >> +{ >> + register long a7 __asm__("$a7") = n; >> + register long a0 __asm__("$a0") = a; >> + register long a1 __asm__("$a1") = b; >> + register long a2 __asm__("$a2") = c; >> + register long a3 __asm__("$a3") = d; >> + register long a4 __asm__("$a4") = e; >> + register long a5 __asm__("$a5") = f; >> + >> + __asm__ __volatile__ ( >> + "syscall 0" >> + : "+r"(a0) >> + : "r"(a7), "r"(a1), "r"(a2), "r"(a3), "r"(a4), "r"(a5) >> + : SYSCALL_CLOBBERLIST); >> + return a0; >> +} >> + >> +static inline long __syscall7(long n, long a, long b, long c, long d, long e, long f, long g) >> +{ >> + register long a7 __asm__("$a7") = n; >> + register long a0 __asm__("$a0") = a; >> + register long a1 __asm__("$a1") = b; >> + register long a2 __asm__("$a2") = c; >> + register long a3 __asm__("$a3") = d; >> + register long a4 __asm__("$a4") = e; >> + register long a5 __asm__("$a5") = f; >> + register long a6 __asm__("$a6") = g; >> + >> + __asm__ __volatile__ ( >> + "syscall 0" >> + : "+r"(a0) >> + : "r"(a7), "r"(a1), "r"(a2), "r"(a3), "r"(a4), "r"(a5), "r"(a6) >> + : SYSCALL_CLOBBERLIST); >> + return a0; >> +} >> + >> +#define VDSO_USEFUL >> +#define VDSO_CGT_SYM "__vdso_clock_gettime" >> +#define VDSO_CGT_VER "LINUX_2.6" >> + >> +#define IPC_64 0 >> diff --git a/configure b/configure >> index 6f5453f5..aac0c467 100755 >> --- a/configure >> +++ b/configure >> @@ -338,6 +338,7 @@ powerpc*|ppc*) ARCH=powerpc ;; >> riscv64*) ARCH=riscv64 ;; >> sh[1-9bel-]*|sh|superh*) ARCH=sh ;; >> s390x*) ARCH=s390x ;; >> +loongarch64*) ARCH=loongarch64 ;; >> unknown) fail "$0: unable to detect target arch; try $0 --target=..." ;; >> *) fail "$0: unknown or unsupported target \"$target\"" ;; >> esac >> diff --git a/crt/loongarch64/crti.s b/crt/loongarch64/crti.s >> new file mode 100644 >> index 00000000..96a754d3 >> --- /dev/null >> +++ b/crt/loongarch64/crti.s >> @@ -0,0 +1,15 @@ >> +.section .init >> +.global _init >> +_init: >> + addi.d $r3,$r3,-16 >> + st.d $fp,$r3,0 >> + st.d $ra,$r3,8 >> + addi.d $fp,$r3,16 >> + >> +.section .fini >> +.global _fini >> +_fini: >> + addi.d $r3,$r3,-16 >> + st.d $fp,$r3,0 >> + st.d $ra,$r3,8 >> + addi.d $fp,$r3,16 >> diff --git a/crt/loongarch64/crtn.s b/crt/loongarch64/crtn.s >> new file mode 100644 >> index 00000000..bffb18f4 >> --- /dev/null >> +++ b/crt/loongarch64/crtn.s >> @@ -0,0 +1,12 @@ >> +.section .init >> + ld.d $fp,$r3,0 >> + ld.d $ra,$r3,8 >> + addi.d $r3,$r3,16 >> + jirl $r0,$ra,0 >> + >> + >> +.section .fini >> + ld.d $fp,$r3,0 >> + ld.d $ra,$r3,8 >> + addi.d $r3,$r3,16 >> + jirl $r0,$ra,0 >> diff --git a/include/elf.h b/include/elf.h >> index 86e2f0bb..69b01ff4 100644 >> --- a/include/elf.h >> +++ b/include/elf.h >> @@ -697,6 +697,11 @@ typedef struct { >> #define NT_MIPS_FP_MODE 0x801 >> #define NT_MIPS_MSA 0x802 >> #define NT_VERSION 1 >> +#define NT_LOONGARCH_CPUCFG 0xa00 >> +#define NT_LOONGARCH_CSR 0xa01 >> +#define NT_LOONGARCH_LSX 0xa02 >> +#define NT_LOONGARCH_LASX 0xa03 >> +#define NT_LOONGARCH_LBT 0xa04 >> >> >> >> @@ -3288,6 +3293,67 @@ enum >> #define R_RISCV_SET32 56 >> #define R_RISCV_32_PCREL 57 >> >> +/* LoongISA ELF Flags */ >> +#define EM_LOONGARCH 258 >> + >> +#define EF_LARCH_ABI 0x0003 >> +#define EF_LARCH_ABI_LP64 0x0003 >> +#define EF_LARCH_ABI_LP32 0x0001 >> + >> +/* Loongarch specific dynamic relocations. */ >> +#define R_LARCH_NONE 0 >> +#define R_LARCH_32 1 >> +#define R_LARCH_64 2 >> +#define R_LARCH_RELATIVE 3 >> +#define R_LARCH_COPY 4 >> +#define R_LARCH_JUMP_SLOT 5 >> +#define R_LARCH_TLS_DTPMOD32 6 >> +#define R_LARCH_TLS_DTPMOD64 7 >> +#define R_LARCH_TLS_DTPREL32 8 >> +#define R_LARCH_TLS_DTPREL64 9 >> +#define R_LARCH_TLS_TPREL32 10 >> +#define R_LARCH_TLS_TPREL64 11 >> +#define R_LARCH_IRELATIVE 12 >> +#define R_LARCH_MARK_LA 20 >> +#define R_LARCH_MARK_PCREL 21 >> +#define R_LARCH_SOP_PUSH_PCREL 22 >> +#define R_LARCH_SOP_PUSH_ABSOLUTE 23 >> +#define R_LARCH_SOP_PUSH_DUP 24 >> +#define R_LARCH_SOP_PUSH_GPREL 25 >> +#define R_LARCH_SOP_PUSH_TLS_TPREL 26 >> +#define R_LARCH_SOP_PUSH_TLS_GOT 27 >> +#define R_LARCH_SOP_PUSH_TLS_GD 28 >> +#define R_LARCH_SOP_PUSH_PLT_PCREL 29 >> +#define R_LARCH_SOP_ASSERT 30 >> +#define R_LARCH_SOP_NOT 31 >> +#define R_LARCH_SOP_SUB 32 >> +#define R_LARCH_SOP_SL 33 >> +#define R_LARCH_SOP_SR 34 >> +#define R_LARCH_SOP_ADD 35 >> +#define R_LARCH_SOP_AND 36 >> +#define R_LARCH_SOP_IF_ELSE 37 >> +#define R_LARCH_SOP_POP_32_S_10_5 38 >> +#define R_LARCH_SOP_POP_32_U_10_12 39 >> +#define R_LARCH_SOP_POP_32_S_10_12 40 >> +#define R_LARCH_SOP_POP_32_S_10_16 41 >> +#define R_LARCH_SOP_POP_32_S_10_16_S2 42 >> +#define R_LARCH_SOP_POP_32_S_5_20 43 >> +#define R_LARCH_SOP_POP_32_S_0_5_10_16_S2 44 >> +#define R_LARCH_SOP_POP_32_S_0_10_10_16_S2 45 >> +#define R_LARCH_SOP_POP_32_U 46 >> +#define R_LARCH_ADD8 47 >> +#define R_LARCH_ADD16 48 >> +#define R_LARCH_ADD24 49 >> +#define R_LARCH_ADD32 50 >> +#define R_LARCH_ADD64 51 >> +#define R_LARCH_SUB8 52 >> +#define R_LARCH_SUB16 53 >> +#define R_LARCH_SUB24 54 >> +#define R_LARCH_SUB32 55 >> +#define R_LARCH_SUB64 56 >> +#define R_LARCH_GNU_VTINHERIT 57 >> +#define R_LARCH_GNU_VTENTRY 58 >> + >> #ifdef __cplusplus >> } >> #endif >> diff --git a/src/fenv/loongarch64/fenv.S b/src/fenv/loongarch64/fenv.S >> new file mode 100644 >> index 00000000..049234be >> --- /dev/null >> +++ b/src/fenv/loongarch64/fenv.S >> @@ -0,0 +1,72 @@ >> +#ifndef __loongarch_soft_float >> + >> +.global feclearexcept >> +.type feclearexcept,@function >> +feclearexcept: >> + li.w $a1, 0x1f0000 //flags in 16-20 bit of fcsr0. >> + and $a0, $a0, $a1 >> + movfcsr2gr $a1, $r0 >> + or $a1, $a1, $a0 >> + xor $a1, $a1, $a0 >> + movgr2fcsr $r0, $a1 >> + li.w $v0, 0 >> + jirl $zero, $ra, 0 >> + >> +.global feraiseexcept >> +.type feraiseexcept,@function >> +feraiseexcept: >> + li.w $a1, 0x1f0000 >> + and $a0, $a0, $a1 >> + movfcsr2gr $a1, $r0 >> + or $a1, $a1, $a0 >> + movgr2fcsr $r0, $a1 >> + li.w $v0, 0 >> + jirl $zero, $ra, 0 >> + >> +.global fetestexcept >> +.type fetestexcept,@function >> +fetestexcept: >> + li.w $a1, 0x1f0000 >> + and $a0, $a0, $a1 >> + movfcsr2gr $a1, $r0 >> + and $v0, $a1, $a0 >> + jirl $zero, $ra, 0 >> + >> +.global fegetround >> +.type fegetround,@function >> +fegetround: >> + movfcsr2gr $v0, $r0 >> + andi $v0, $v0, 0x300 //fcsr0.RM >> + jirl $zero, $ra, 0 >> + >> +.global __fesetround >> +.hidden __fesetround >> +.type __fesetround,@function >> +__fesetround: >> + movfcsr2gr $a1, $r0 >> + li.w $a2, -769 //0xfffffcff >> + and $a1, $a1, $a2 >> + or $a1, $a1, $a0 >> + movgr2fcsr $r0, $a1 >> + li.w $v0, 0 >> + jirl $zero, $ra, 0 >> + >> +.global fegetenv >> +.type fegetenv,@function >> +fegetenv: >> + movfcsr2gr $a1, $r0 >> + st.w $a1, $a0, 0 >> + li.w $v0, 0 >> + jirl $zero, $ra, 0 >> + >> +.global fesetenv >> +.type fesetenv,@function >> +fesetenv: >> + addi.d $a1, $a0, 1 >> + beq $a1, $r0, 1f >> + ld.w $a1, $a0, 0 >> +1: movgr2fcsr $r0, $a1 >> + li.w $v0, 0 >> + jirl $zero, $ra, 0 >> + >> +#endif >> diff --git a/src/ldso/loongarch64/dlsym.s b/src/ldso/loongarch64/dlsym.s >> new file mode 100644 >> index 00000000..5f51ed85 >> --- /dev/null >> +++ b/src/ldso/loongarch64/dlsym.s >> @@ -0,0 +1,7 @@ >> +.global dlsym >> +.hidden __dlsym >> +.type dlsym,@function >> +dlsym: >> + move $a2, $ra >> + la.global $r16, __dlsym >> + jirl $r0, $r16, 0 >> diff --git a/src/setjmp/loongarch64/longjmp.S b/src/setjmp/loongarch64/longjmp.S >> new file mode 100644 >> index 00000000..41d897ed >> --- /dev/null >> +++ b/src/setjmp/loongarch64/longjmp.S >> @@ -0,0 +1,37 @@ >> +.global _longjmp >> +.global longjmp >> +.type _longjmp,@function >> +.type longjmp,@function >> +_longjmp: >> +longjmp: >> + add.d $t5, $a0, $zero >> + add.d $v0, $a1, $zero >> + >> + bne $v0, $zero, 1f >> + addi.d $v0, $v0, 1 >> + >> +1: >> + ld.d $ra, $t5, 0 >> + ld.d $sp, $t5, 8 >> + ld.d $r21,$t5, 16 >> + ld.d $fp, $t5, 24 >> + ld.d $s0, $t5, 32 >> + ld.d $s1, $t5, 40 >> + ld.d $s2, $t5, 48 >> + ld.d $s3, $t5, 56 >> + ld.d $s4, $t5, 64 >> + ld.d $s5, $t5, 72 >> + ld.d $s6, $t5, 80 >> + ld.d $s7, $t5, 88 >> + ld.d $s8, $t5, 96 >> +#ifndef __loongarch64_soft_float >> + fld.d $fs0, $t5, 104 >> + fld.d $fs1, $t5, 112 >> + fld.d $fs2, $t5, 120 >> + fld.d $fs3, $t5, 128 >> + fld.d $fs4, $t5, 136 >> + fld.d $fs5, $t5, 144 >> + fld.d $fs6, $t5, 152 >> + fld.d $fs7, $t5, 160 >> +#endif >> + jirl $zero, $ra, 0 >> diff --git a/src/setjmp/loongarch64/setjmp.S b/src/setjmp/loongarch64/setjmp.S >> new file mode 100644 >> index 00000000..8dca3cb8 >> --- /dev/null >> +++ b/src/setjmp/loongarch64/setjmp.S >> @@ -0,0 +1,34 @@ >> +.global __setjmp >> +.global _setjmp >> +.global setjmp >> +.type __setjmp,@function >> +.type _setjmp,@function >> +.type setjmp,@function >> +__setjmp: >> +_setjmp: >> +setjmp: >> + st.d $ra, $a0, 0 >> + st.d $sp, $a0, 8 >> + st.d $r21,$a0, 16 >> + st.d $fp, $a0, 24 >> + st.d $s0, $a0, 32 >> + st.d $s1, $a0, 40 >> + st.d $s2, $a0, 48 >> + st.d $s3, $a0, 56 >> + st.d $s4, $a0, 64 >> + st.d $s5, $a0, 72 >> + st.d $s6, $a0, 80 >> + st.d $s7, $a0, 88 >> + st.d $s8, $a0, 96 >> +#ifndef __loongarch64_soft_float >> + fst.d $fs0, $a0, 104 >> + fst.d $fs1, $a0, 112 >> + fst.d $fs2, $a0, 120 >> + fst.d $fs3, $a0, 128 >> + fst.d $fs4, $a0, 136 >> + fst.d $fs5, $a0, 144 >> + fst.d $fs6, $a0, 152 >> + fst.d $fs7, $a0, 160 >> +#endif >> + xor $v0, $v0, $v0 >> + jirl $zero, $ra, 0 >> diff --git a/src/signal/loongarch64/restore.s b/src/signal/loongarch64/restore.s >> new file mode 100644 >> index 00000000..9bf015a0 >> --- /dev/null >> +++ b/src/signal/loongarch64/restore.s >> @@ -0,0 +1,10 @@ >> +.global __restore_rt >> +.global __restore >> +.hidden __restore_rt >> +.hidden __restore >> +.type __restore_rt,@function >> +.type __restore,@function >> +__restore_rt: >> +__restore: >> + ori $a7, $zero, 139 >> + syscall 0 >> diff --git a/src/signal/loongarch64/sigsetjmp.s b/src/signal/loongarch64/sigsetjmp.s >> new file mode 100644 >> index 00000000..d53f334a >> --- /dev/null >> +++ b/src/signal/loongarch64/sigsetjmp.s >> @@ -0,0 +1,29 @@ >> +.global sigsetjmp >> +.global __sigsetjmp >> +.type sigsetjmp,@function >> +.type __sigsetjmp,@function >> +sigsetjmp: >> +__sigsetjmp: >> + or $t5, $a0, $zero >> + or $t6, $a1, $zero >> + >> + # comparing save mask with 0, if equals to 0 then >> + # sigsetjmp is equal to setjmp. >> + beq $t6, $zero, 1f >> + st.d $ra, $t5, 168 >> + >> + # save base of got so that we can use it later >> + # once we return from 'longjmp' >> + la.global $t8, setjmp >> + jirl $ra, $t8, 0 >> + >> + or $v1, $v0, $zero # Return from 'setjmp' or 'longjmp' >> + ld.d $ra, $t5, 168 # Restore ra of sigsetjmp >> + or $a0, $t5, $zero >> + >> +.hidden __sigsetjmp_tail >> + la.global $t8, __sigsetjmp_tail >> + jirl $zero, $t8, 0 >> +1: >> + la.global $t8, setjmp >> + jirl $zero, $t8, 0 >> diff --git a/src/thread/loongarch64/__set_thread_area.s b/src/thread/loongarch64/__set_thread_area.s >> new file mode 100644 >> index 00000000..421cd381 >> --- /dev/null >> +++ b/src/thread/loongarch64/__set_thread_area.s >> @@ -0,0 +1,7 @@ >> +.global __set_thread_area >> +.hidden __set_thread_area >> +.type __set_thread_area,@function >> +__set_thread_area: >> + or $tp, $a0, $zero >> + ori $a0, $zero, 0 >> + jirl $zero, $ra, 0 >> diff --git a/src/thread/loongarch64/__unmapself.s b/src/thread/loongarch64/__unmapself.s >> new file mode 100644 >> index 00000000..b77e6d1d >> --- /dev/null >> +++ b/src/thread/loongarch64/__unmapself.s >> @@ -0,0 +1,7 @@ >> +.global __unmapself >> +.type __unmapself, @function >> +__unmapself: >> + li.d $a7, 215 >> + syscall 0 # call munmap >> + li.d $a7, 93 >> + syscall 0 # call exit >> diff --git a/src/thread/loongarch64/clone.s b/src/thread/loongarch64/clone.s >> new file mode 100644 >> index 00000000..ec920c7b >> --- /dev/null >> +++ b/src/thread/loongarch64/clone.s >> @@ -0,0 +1,47 @@ >> +#__clone(func, stack, flags, arg, ptid, tls, ctid) >> +# a0, a1, a2, a3, a4, a5, a6 >> +# sys_clone3(struct clone_args *cl_args, size_t size) >> +# a0 a1 >> + >> +.global __clone >> +.hidden __clone >> +.type __clone,@function >> +__clone: >> + # Save function pointer and argument pointer on new thread stack >> + addi.d $a1, $a1, -16 >> + st.d $a0, $a1, 0 # save function pointer >> + st.d $a3, $a1, 8 # save argument pointer >> + >> + li.d $t0, ~0x004000ff # mask CSIGNAL and CLONE_DETACHED >> + and $t1, $a2, $t0 # cl_args.flags >> + li.d $t0, 0x000000ff # CSIGNAL >> + and $t2, $a2, $t0 # cl_args.exit_signal >> + >> + bstrins.d $sp, $zero, 2, 0 # align stack to 8 bytes >> + addi.d $sp, $sp, -88 # struct clone_args >> + st.d $t1, $sp, 0 # flags >> + st.d $a4, $sp, 8 # pidfd >> + st.d $a6, $sp, 16 # child_tid >> + st.d $a4, $sp, 24 # parent_tid >> + st.d $t2, $sp, 32 # exit_signal >> + st.d $a1, $sp, 40 # stack >> + st.d $zero, $sp, 48 # stack_size >> + st.d $a5, $sp, 56 # tls >> + st.d $zero, $sp, 64 # set_tid >> + st.d $zero, $sp, 72 # set_tid_size >> + st.d $zero, $sp, 80 # cgroup >> + >> + move $a0, $sp >> + li.d $a1, 88 >> + li.d $a7, 435 # __NR_clone3 >> + syscall 0 # call clone3 >> + >> + beqz $a0, 1f # whether child process >> + addi.d $sp, $sp, 88 >> + jirl $zero, $ra, 0 # parent process return >> +1: >> + ld.d $t8, $sp, 0 # function pointer >> + ld.d $a0, $sp, 8 # argument pointer >> + jirl $ra, $t8, 0 # call the user's function >> + li.d $a7, 93 >> + syscall 0 # child process exit >> diff --git a/src/thread/loongarch64/syscall_cp.s b/src/thread/loongarch64/syscall_cp.s >> new file mode 100644 >> index 00000000..3903ed2c >> --- /dev/null >> +++ b/src/thread/loongarch64/syscall_cp.s >> @@ -0,0 +1,29 @@ >> +.global __cp_begin >> +.hidden __cp_begin >> +.global __cp_end >> +.hidden __cp_end >> +.global __cp_cancel >> +.hidden __cp_cancel >> +.hidden __cancel >> +.global __syscall_cp_asm >> +.hidden __syscall_cp_asm >> +.type __syscall_cp_asm,@function >> + >> +__syscall_cp_asm: >> +__cp_begin: >> + ld.w $a0, $a0, 0 >> + bnez $a0, __cp_cancel >> + or $t8, $a1, $zero # reserve system call number >> + or $a0, $a2, $zero >> + or $a1, $a3, $zero >> + or $a2, $a4, $zero >> + or $a3, $a5, $zero >> + or $a4, $a6, $zero >> + or $a5, $a7, $zero >> + or $a7, $t8, $zero >> + syscall 0 >> +__cp_end: >> + jirl $zero, $ra, 0 >> +__cp_cancel: >> + la.local $t8, __cancel >> + jirl $zero, $t8, 0 >> -- >> 2.34.1 >> [-- Attachment #2: 0001-add-loongarch64-port-v4.patch --] [-- Type: text/x-patch, Size: 47132 bytes --] From 5535c500f137c3cb9ad36c7c96e7aaca440c85bd Mon Sep 17 00:00:00 2001 From: wanghongliang <wanghongliang@loongson.cn> Date: Wed, 8 Jun 2022 01:42:12 +0800 Subject: [PATCH] add loongarch64 port v4. Author: xiaojuanZhai <zhaixiaojuan@loongson.cn> Author: meidanLi <limeidan@loongson.cn> Author: guoqiChen <chenguoqi@loongson.cn> Author: xiaolinZhao <zhaoxiaolin@loongson.cn> Author: Fanpeng <fanpeng@loongson.cn> Author: jiantaoShan <shanjiantao@loongson.cn> Author: xuhuiQiang <qiangxuhui@loongson.cn> Author: jingyunHua <huajingyun@loongson.cn> Author: liuxue <liuxue@loongson.cn> Author: wanghongliang <wanghongliang@loongson.cn Signed-off-by: wanghongliang <wanghongliang@loongson.cn> --- arch/loongarch64/atomic_arch.h | 53 ++++ arch/loongarch64/bits/alltypes.h.in | 18 ++ arch/loongarch64/bits/fenv.h | 20 ++ arch/loongarch64/bits/float.h | 16 ++ arch/loongarch64/bits/hwcap.h | 14 + arch/loongarch64/bits/posix.h | 2 + arch/loongarch64/bits/ptrace.h | 4 + arch/loongarch64/bits/reg.h | 66 +++++ arch/loongarch64/bits/setjmp.h | 1 + arch/loongarch64/bits/signal.h | 80 ++++++ arch/loongarch64/bits/stat.h | 18 ++ arch/loongarch64/bits/stdint.h | 20 ++ arch/loongarch64/bits/syscall.h.in | 303 +++++++++++++++++++++ arch/loongarch64/bits/user.h | 5 + arch/loongarch64/crt_arch.h | 14 + arch/loongarch64/pthread_arch.h | 13 + arch/loongarch64/reloc.h | 27 ++ arch/loongarch64/syscall_arch.h | 137 ++++++++++ configure | 1 + crt/loongarch64/crti.s | 15 + crt/loongarch64/crtn.s | 12 + include/elf.h | 66 +++++ src/fenv/loongarch64/fenv.S | 72 +++++ src/ldso/loongarch64/dlsym.s | 7 + src/setjmp/loongarch64/longjmp.S | 37 +++ src/setjmp/loongarch64/setjmp.S | 34 +++ src/signal/loongarch64/restore.s | 10 + src/signal/loongarch64/sigsetjmp.s | 29 ++ src/thread/loongarch64/__set_thread_area.s | 7 + src/thread/loongarch64/__unmapself.s | 7 + src/thread/loongarch64/clone.s | 47 ++++ src/thread/loongarch64/syscall_cp.s | 29 ++ 32 files changed, 1184 insertions(+) create mode 100644 arch/loongarch64/atomic_arch.h create mode 100644 arch/loongarch64/bits/alltypes.h.in create mode 100644 arch/loongarch64/bits/fenv.h create mode 100644 arch/loongarch64/bits/float.h create mode 100644 arch/loongarch64/bits/hwcap.h create mode 100644 arch/loongarch64/bits/posix.h create mode 100644 arch/loongarch64/bits/ptrace.h create mode 100644 arch/loongarch64/bits/reg.h create mode 100644 arch/loongarch64/bits/setjmp.h create mode 100644 arch/loongarch64/bits/signal.h create mode 100644 arch/loongarch64/bits/stat.h create mode 100644 arch/loongarch64/bits/stdint.h create mode 100644 arch/loongarch64/bits/syscall.h.in create mode 100644 arch/loongarch64/bits/user.h create mode 100644 arch/loongarch64/crt_arch.h create mode 100644 arch/loongarch64/pthread_arch.h create mode 100644 arch/loongarch64/reloc.h create mode 100644 arch/loongarch64/syscall_arch.h create mode 100644 crt/loongarch64/crti.s create mode 100644 crt/loongarch64/crtn.s create mode 100644 src/fenv/loongarch64/fenv.S create mode 100644 src/ldso/loongarch64/dlsym.s create mode 100644 src/setjmp/loongarch64/longjmp.S create mode 100644 src/setjmp/loongarch64/setjmp.S create mode 100644 src/signal/loongarch64/restore.s create mode 100644 src/signal/loongarch64/sigsetjmp.s create mode 100644 src/thread/loongarch64/__set_thread_area.s create mode 100644 src/thread/loongarch64/__unmapself.s create mode 100644 src/thread/loongarch64/clone.s create mode 100644 src/thread/loongarch64/syscall_cp.s diff --git a/arch/loongarch64/atomic_arch.h b/arch/loongarch64/atomic_arch.h new file mode 100644 index 00000000..bf4805c9 --- /dev/null +++ b/arch/loongarch64/atomic_arch.h @@ -0,0 +1,53 @@ +#define a_ll a_ll +static inline int a_ll(volatile int *p) +{ + int v; + __asm__ __volatile__ ( + "ll.w %0, %1" + : "=r"(v) + : "ZC"(*p)); + return v; +} + +#define a_sc a_sc +static inline int a_sc(volatile int *p, int v) +{ + int r; + __asm__ __volatile__ ( + "sc.w %0, %1" + : "=r"(r), "=ZC"(*p) + : "0"(v) : "memory"); + return r; +} + +#define a_ll_p a_ll_p +static inline void *a_ll_p(volatile void *p) +{ + void *v; + __asm__ __volatile__ ( + "ll.d %0, %1" + : "=r"(v) + : "ZC"(*(void *volatile *)p)); + return v; +} + +#define a_sc_p a_sc_p +static inline int a_sc_p(volatile void *p, void *v) +{ + long r; + __asm__ __volatile__ ( + "sc.d %0, %1" + : "=r"(r), "=ZC"(*(void *volatile *)p) + : "0"(v) + : "memory"); + return r; +} + +#define a_barrier a_barrier +static inline void a_barrier() +{ + __asm__ __volatile__ ("dbar 0" : : : "memory"); +} + +#define a_pre_llsc a_barrier +#define a_post_llsc a_barrier diff --git a/arch/loongarch64/bits/alltypes.h.in b/arch/loongarch64/bits/alltypes.h.in new file mode 100644 index 00000000..d1807aca --- /dev/null +++ b/arch/loongarch64/bits/alltypes.h.in @@ -0,0 +1,18 @@ +#define _Addr long +#define _Int64 long +#define _Reg long + +#define __BYTE_ORDER 1234 +#define __LONG_MAX 0x7fffffffffffffffL + +#ifndef __cplusplus +TYPEDEF int wchar_t; +#endif + +TYPEDEF float float_t; +TYPEDEF double double_t; + +TYPEDEF struct { long long __ll; long double __ld; } max_align_t; + +TYPEDEF unsigned nlink_t; +TYPEDEF int blksize_t; diff --git a/arch/loongarch64/bits/fenv.h b/arch/loongarch64/bits/fenv.h new file mode 100644 index 00000000..264cafb5 --- /dev/null +++ b/arch/loongarch64/bits/fenv.h @@ -0,0 +1,20 @@ +#define FE_INEXACT 0x010000 +#define FE_UNDERFLOW 0x020000 +#define FE_OVERFLOW 0x040000 +#define FE_DIVBYZERO 0x080000 +#define FE_INVALID 0x100000 + +#define FE_ALL_EXCEPT 0x1F0000 + +#define FE_TONEAREST 0x000 +#define FE_TOWARDZERO 0x100 +#define FE_UPWARD 0x200 +#define FE_DOWNWARD 0x300 + +typedef unsigned fexcept_t; + +typedef struct { + unsigned __cw; +} fenv_t; + +#define FE_DFL_ENV ((const fenv_t *) -1) diff --git a/arch/loongarch64/bits/float.h b/arch/loongarch64/bits/float.h new file mode 100644 index 00000000..719c7908 --- /dev/null +++ b/arch/loongarch64/bits/float.h @@ -0,0 +1,16 @@ +#define FLT_EVAL_METHOD 0 + +#define LDBL_TRUE_MIN 6.47517511943802511092443895822764655e-4966L +#define LDBL_MIN 3.36210314311209350626267781732175260e-4932L +#define LDBL_MAX 1.18973149535723176508575932662800702e+4932L +#define LDBL_EPSILON 1.92592994438723585305597794258492732e-34L + +#define LDBL_MANT_DIG 113 +#define LDBL_MIN_EXP (-16381) +#define LDBL_MAX_EXP 16384 + +#define LDBL_DIG 33 +#define LDBL_MIN_10_EXP (-4931) +#define LDBL_MAX_10_EXP 4932 + +#define DECIMAL_DIG 36 diff --git a/arch/loongarch64/bits/hwcap.h b/arch/loongarch64/bits/hwcap.h new file mode 100644 index 00000000..c9fa08f6 --- /dev/null +++ b/arch/loongarch64/bits/hwcap.h @@ -0,0 +1,14 @@ +/* HWCAP - Hardware Capabilities. + * Hardware information is not clear at present, leave it blank. + */ +#define HWCAP_LOONGARCH_CPUCFG (1 << 0) +#define HWCAP_LOONGARCH_FPU (1 << 1) +#define HWCAP_LOONGARCH_LSX (1 << 2) /* support 128bit vectors*/ +#define HWCAP_LOONGARCH_LASX (1 << 3) /* support 256bit vectors*/ +#define HWCAP_LOONGARCH_LBT (1 << 4) /* support LBT*/ +#define HWCAP_LOONGARCH_LVZ (1 << 5) /* support virtualization expansion*/ +#define HWCAP_LOONGARCH_CRC32 (1 << 7) /* support CRC32 check*/ +#define HWCAP_LOONGARCH_AES (1 << 6) +#define HWCAP_LOONGARCH_SHA1 (1 << 8) +#define HWCAP_LOONGARCH_SHA2 (1 << 9) +#define HWCAP_LOONGARCH_SHA3 (1 << 10) diff --git a/arch/loongarch64/bits/posix.h b/arch/loongarch64/bits/posix.h new file mode 100644 index 00000000..8068ce98 --- /dev/null +++ b/arch/loongarch64/bits/posix.h @@ -0,0 +1,2 @@ +#define _POSIX_V6_LP64_OFF64 1 +#define _POSIX_V7_LP64_OFF64 1 diff --git a/arch/loongarch64/bits/ptrace.h b/arch/loongarch64/bits/ptrace.h new file mode 100644 index 00000000..741fc668 --- /dev/null +++ b/arch/loongarch64/bits/ptrace.h @@ -0,0 +1,4 @@ +#define PTRACE_GET_THREAD_AREA 25 +#define PTRACE_SET_THREAD_AREA 26 +#define PTRACE_GET_WATCH_REGS 0xd0 +#define PTRACE_SET_WATCH_REGS 0xd1 diff --git a/arch/loongarch64/bits/reg.h b/arch/loongarch64/bits/reg.h new file mode 100644 index 00000000..5d3f92c5 --- /dev/null +++ b/arch/loongarch64/bits/reg.h @@ -0,0 +1,66 @@ +#undef __WORDSIZE +#define __WORDSIZE 64 +#define LOONGARCH64_EF_R0 0 +#define LOONGARCH64_EF_R1 1 +#define LOONGARCH64_EF_R2 2 +#define LOONGARCH64_EF_R3 3 +#define LOONGARCH64_EF_R4 4 +#define LOONGARCH64_EF_R5 5 +#define LOONGARCH64_EF_R6 6 +#define LOONGARCH64_EF_R7 7 +#define LOONGARCH64_EF_R8 8 +#define LOONGARCH64_EF_R9 9 +#define LOONGARCH64_EF_R10 10 +#define LOONGARCH64_EF_R11 11 +#define LOONGARCH64_EF_R12 12 +#define LOONGARCH64_EF_R13 13 +#define LOONGARCH64_EF_R14 14 +#define LOONGARCH64_EF_R15 15 +#define LOONGARCH64_EF_R16 16 +#define LOONGARCH64_EF_R17 17 +#define LOONGARCH64_EF_R18 18 +#define LOONGARCH64_EF_R19 19 +#define LOONGARCH64_EF_R20 20 +#define LOONGARCH64_EF_R21 21 +#define LOONGARCH64_EF_R22 22 +#define LOONGARCH64_EF_R23 23 +#define LOONGARCH64_EF_R24 24 +#define LOONGARCH64_EF_R25 25 +#define LOONGARCH64_EF_R26 26 +#define LOONGARCH64_EF_R27 27 +#define LOONGARCH64_EF_R28 28 +#define LOONGARCH64_EF_R29 29 +#define LOONGARCH64_EF_R30 30 +#define LOONGARCH64_EF_R31 31 + +#define LOONGARCH64_EF_SIZE 304 /* size in bytes */ + +#define EF_R0 LOONGARCH64_EF_R0 +#define EF_R1 LOONGARCH64_EF_R1 +#define EF_R2 LOONGARCH64_EF_R2 +#define EF_R3 LOONGARCH64_EF_R3 +#define EF_R4 LOONGARCH64_EF_R4 +#define EF_R5 LOONGARCH64_EF_R5 +#define EF_R6 LOONGARCH64_EF_R6 +#define EF_R7 LOONGARCH64_EF_R7 +#define EF_R8 LOONGARCH64_EF_R8 +#define EF_R9 LOONGARCH64_EF_R9 +#define EF_R10 LOONGARCH64_EF_R10 +#define EF_R11 LOONGARCH64_EF_R11 +#define EF_R12 LOONGARCH64_EF_R12 +#define EF_R13 LOONGARCH64_EF_R13 +#define EF_R14 LOONGARCH64_EF_R14 +#define EF_R15 LOONGARCH64_EF_R15 +#define EF_R16 LOONGARCH64_EF_R16 +#define EF_R17 LOONGARCH64_EF_R17 +#define EF_R18 LOONGARCH64_EF_R18 +#define EF_R19 LOONGARCH64_EF_R19 +#define EF_R20 LOONGARCH64_EF_R20 +#define EF_R21 LOONGARCH64_EF_R21 +#define EF_R22 LOONGARCH64_EF_R22 +#define EF_R23 LOONGARCH64_EF_R23 +#define EF_R24 LOONGARCH64_EF_R24 +#define EF_R25 LOONGARCH64_EF_R25 +#define EF_R26 LOONGARCH64_EF_R26 +#define EF_R27 LOONGARCH64_EF_R27 +#define EF_R28 LOONGARCH64_EF_R28 diff --git a/arch/loongarch64/bits/setjmp.h b/arch/loongarch64/bits/setjmp.h new file mode 100644 index 00000000..f4a7f8a3 --- /dev/null +++ b/arch/loongarch64/bits/setjmp.h @@ -0,0 +1 @@ +typedef unsigned long long __jmp_buf[22]; diff --git a/arch/loongarch64/bits/signal.h b/arch/loongarch64/bits/signal.h new file mode 100644 index 00000000..4db790e7 --- /dev/null +++ b/arch/loongarch64/bits/signal.h @@ -0,0 +1,80 @@ +#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \ + || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE) + +#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE) +#define MINSIGSTKSZ 4096 +#define SIGSTKSZ 16384 +#endif + +typedef unsigned long greg_t, gregset_t[32]; + +typedef struct sigcontext { + unsigned long pc; + gregset_t gregs; + unsigned int flags; + unsigned long extcontext[]; +} mcontext_t; + +struct sigaltstack { + void *ss_sp; + int ss_flags; + size_t ss_size; +}; + +typedef struct __ucontext +{ + unsigned long uc_flags; + struct __ucontext *uc_link; + stack_t uc_stack; + sigset_t uc_sigmask; + long __uc_pad; + mcontext_t uc_mcontext; +} ucontext_t; + +#define SA_NOCLDSTOP 1 +#define SA_NOCLDWAIT 2 +#define SA_SIGINFO 4 +#define SA_ONSTACK 0x08000000 +#define SA_RESTART 0x10000000 +#define SA_NODEFER 0x40000000 +#define SA_RESETHAND 0x80000000 +#define SA_RESTORER 0x04000000 + +#endif + +#define SIGHUP 1 +#define SIGINT 2 +#define SIGQUIT 3 +#define SIGILL 4 +#define SIGTRAP 5 +#define SIGABRT 6 +#define SIGIOT SIGABRT +#define SIGBUS 7 +#define SIGFPE 8 +#define SIGKILL 9 +#define SIGUSR1 10 +#define SIGSEGV 11 +#define SIGUSR2 12 +#define SIGPIPE 13 +#define SIGALRM 14 +#define SIGTERM 15 +#define SIGSTKFLT 16 +#define SIGCHLD 17 +#define SIGCONT 18 +#define SIGSTOP 19 +#define SIGTSTP 20 +#define SIGTTIN 21 +#define SIGTTOU 22 +#define SIGURG 23 +#define SIGXCPU 24 +#define SIGXFSZ 25 +#define SIGVTALRM 26 +#define SIGPROF 27 +#define SIGWINCH 28 +#define SIGIO 29 +#define SIGPOLL SIGIO +#define SIGPWR 30 +#define SIGSYS 31 +#define SIGUNUSED SIGSYS + +#define _NSIG 65 diff --git a/arch/loongarch64/bits/stat.h b/arch/loongarch64/bits/stat.h new file mode 100644 index 00000000..b7f4221b --- /dev/null +++ b/arch/loongarch64/bits/stat.h @@ -0,0 +1,18 @@ +struct stat { + dev_t st_dev; + ino_t st_ino; + mode_t st_mode; + nlink_t st_nlink; + uid_t st_uid; + gid_t st_gid; + dev_t st_rdev; + unsigned long __pad; + off_t st_size; + blksize_t st_blksize; + int __pad2; + blkcnt_t st_blocks; + struct timespec st_atim; + struct timespec st_mtim; + struct timespec st_ctim; + unsigned __unused[2]; +}; diff --git a/arch/loongarch64/bits/stdint.h b/arch/loongarch64/bits/stdint.h new file mode 100644 index 00000000..1bb147f2 --- /dev/null +++ b/arch/loongarch64/bits/stdint.h @@ -0,0 +1,20 @@ +typedef int32_t int_fast16_t; +typedef int32_t int_fast32_t; +typedef uint32_t uint_fast16_t; +typedef uint32_t uint_fast32_t; + +#define INT_FAST16_MIN INT32_MIN +#define INT_FAST32_MIN INT32_MIN + +#define INT_FAST16_MAX INT32_MAX +#define INT_FAST32_MAX INT32_MAX + +#define UINT_FAST16_MAX UINT32_MAX +#define UINT_FAST32_MAX UINT32_MAX + +#define INTPTR_MIN INT64_MIN +#define INTPTR_MAX INT64_MAX +#define UINTPTR_MAX UINT64_MAX +#define PTRDIFF_MIN INT64_MIN +#define PTRDIFF_MAX INT64_MAX +#define SIZE_MAX UINT64_MAX diff --git a/arch/loongarch64/bits/syscall.h.in b/arch/loongarch64/bits/syscall.h.in new file mode 100644 index 00000000..689ff36b --- /dev/null +++ b/arch/loongarch64/bits/syscall.h.in @@ -0,0 +1,303 @@ +#define __NR_io_setup 0 +#define __NR_io_destroy 1 +#define __NR_io_submit 2 +#define __NR_io_cancel 3 +#define __NR_io_getevents 4 +#define __NR_setxattr 5 +#define __NR_lsetxattr 6 +#define __NR_fsetxattr 7 +#define __NR_getxattr 8 +#define __NR_lgetxattr 9 +#define __NR_fgetxattr 10 +#define __NR_listxattr 11 +#define __NR_llistxattr 12 +#define __NR_flistxattr 13 +#define __NR_removexattr 14 +#define __NR_lremovexattr 15 +#define __NR_fremovexattr 16 +#define __NR_getcwd 17 +#define __NR_lookup_dcookie 18 +#define __NR_eventfd2 19 +#define __NR_epoll_create1 20 +#define __NR_epoll_ctl 21 +#define __NR_epoll_pwait 22 +#define __NR_dup 23 +#define __NR_dup3 24 +#define __NR3264_fcntl 25 +#define __NR_inotify_init1 26 +#define __NR_inotify_add_watch 27 +#define __NR_inotify_rm_watch 28 +#define __NR_ioctl 29 +#define __NR_ioprio_set 30 +#define __NR_ioprio_get 31 +#define __NR_flock 32 +#define __NR_mknodat 33 +#define __NR_mkdirat 34 +#define __NR_unlinkat 35 +#define __NR_symlinkat 36 +#define __NR_linkat 37 +#define __NR_umount2 39 +#define __NR_mount 40 +#define __NR_pivot_root 41 +#define __NR_nfsservctl 42 +#define __NR3264_statfs 43 +#define __NR3264_fstatfs 44 +#define __NR3264_truncate 45 +#define __NR3264_ftruncate 46 +#define __NR_fallocate 47 +#define __NR_faccessat 48 +#define __NR_chdir 49 +#define __NR_fchdir 50 +#define __NR_chroot 51 +#define __NR_fchmod 52 +#define __NR_fchmodat 53 +#define __NR_fchownat 54 +#define __NR_fchown 55 +#define __NR_openat 56 +#define __NR_close 57 +#define __NR_vhangup 58 +#define __NR_pipe2 59 +#define __NR_quotactl 60 +#define __NR_getdents64 61 +#define __NR3264_lseek 62 +#define __NR_read 63 +#define __NR_write 64 +#define __NR_readv 65 +#define __NR_writev 66 +#define __NR_pread64 67 +#define __NR_pwrite64 68 +#define __NR_preadv 69 +#define __NR_pwritev 70 +#define __NR3264_sendfile 71 +#define __NR_pselect6 72 +#define __NR_ppoll 73 +#define __NR_signalfd4 74 +#define __NR_vmsplice 75 +#define __NR_splice 76 +#define __NR_tee 77 +#define __NR_readlinkat 78 +#define __NR_sync 81 +#define __NR_fsync 82 +#define __NR_fdatasync 83 +#define __NR_sync_file_range 84 +#define __NR_timerfd_create 85 +#define __NR_timerfd_settime 86 +#define __NR_timerfd_gettime 87 +#define __NR_utimensat 88 +#define __NR_acct 89 +#define __NR_capget 90 +#define __NR_capset 91 +#define __NR_personality 92 +#define __NR_exit 93 +#define __NR_exit_group 94 +#define __NR_waitid 95 +#define __NR_set_tid_address 96 +#define __NR_unshare 97 +#define __NR_futex 98 +#define __NR_set_robust_list 99 +#define __NR_get_robust_list 100 +#define __NR_nanosleep 101 +#define __NR_getitimer 102 +#define __NR_setitimer 103 +#define __NR_kexec_load 104 +#define __NR_init_module 105 +#define __NR_delete_module 106 +#define __NR_timer_create 107 +#define __NR_timer_gettime 108 +#define __NR_timer_getoverrun 109 +#define __NR_timer_settime 110 +#define __NR_timer_delete 111 +#define __NR_clock_settime 112 +#define __NR_clock_gettime 113 +#define __NR_clock_getres 114 +#define __NR_clock_nanosleep 115 +#define __NR_syslog 116 +#define __NR_ptrace 117 +#define __NR_sched_setparam 118 +#define __NR_sched_setscheduler 119 +#define __NR_sched_getscheduler 120 +#define __NR_sched_getparam 121 +#define __NR_sched_setaffinity 122 +#define __NR_sched_getaffinity 123 +#define __NR_sched_yield 124 +#define __NR_sched_get_priority_max 125 +#define __NR_sched_get_priority_min 126 +#define __NR_sched_rr_get_interval 127 +#define __NR_restart_syscall 128 +#define __NR_kill 129 +#define __NR_tkill 130 +#define __NR_tgkill 131 +#define __NR_sigaltstack 132 +#define __NR_rt_sigsuspend 133 +#define __NR_rt_sigaction 134 +#define __NR_rt_sigprocmask 135 +#define __NR_rt_sigpending 136 +#define __NR_rt_sigtimedwait 137 +#define __NR_rt_sigqueueinfo 138 +#define __NR_rt_sigreturn 139 +#define __NR_setpriority 140 +#define __NR_getpriority 141 +#define __NR_reboot 142 +#define __NR_setregid 143 +#define __NR_setgid 144 +#define __NR_setreuid 145 +#define __NR_setuid 146 +#define __NR_setresuid 147 +#define __NR_getresuid 148 +#define __NR_setresgid 149 +#define __NR_getresgid 150 +#define __NR_setfsuid 151 +#define __NR_setfsgid 152 +#define __NR_times 153 +#define __NR_setpgid 154 +#define __NR_getpgid 155 +#define __NR_getsid 156 +#define __NR_setsid 157 +#define __NR_getgroups 158 +#define __NR_setgroups 159 +#define __NR_uname 160 +#define __NR_sethostname 161 +#define __NR_setdomainname 162 +#define __NR_getrlimit 163 +#define __NR_setrlimit 164 +#define __NR_getrusage 165 +#define __NR_umask 166 +#define __NR_prctl 167 +#define __NR_getcpu 168 +#define __NR_gettimeofday 169 +#define __NR_settimeofday 170 +#define __NR_adjtimex 171 +#define __NR_getpid 172 +#define __NR_getppid 173 +#define __NR_getuid 174 +#define __NR_geteuid 175 +#define __NR_getgid 176 +#define __NR_getegid 177 +#define __NR_gettid 178 +#define __NR_sysinfo 179 +#define __NR_mq_open 180 +#define __NR_mq_unlink 181 +#define __NR_mq_timedsend 182 +#define __NR_mq_timedreceive 183 +#define __NR_mq_notify 184 +#define __NR_mq_getsetattr 185 +#define __NR_msgget 186 +#define __NR_msgctl 187 +#define __NR_msgrcv 188 +#define __NR_msgsnd 189 +#define __NR_semget 190 +#define __NR_semctl 191 +#define __NR_semtimedop 192 +#define __NR_semop 193 +#define __NR_shmget 194 +#define __NR_shmctl 195 +#define __NR_shmat 196 +#define __NR_shmdt 197 +#define __NR_socket 198 +#define __NR_socketpair 199 +#define __NR_bind 200 +#define __NR_listen 201 +#define __NR_accept 202 +#define __NR_connect 203 +#define __NR_getsockname 204 +#define __NR_getpeername 205 +#define __NR_sendto 206 +#define __NR_recvfrom 207 +#define __NR_setsockopt 208 +#define __NR_getsockopt 209 +#define __NR_shutdown 210 +#define __NR_sendmsg 211 +#define __NR_recvmsg 212 +#define __NR_readahead 213 +#define __NR_brk 214 +#define __NR_munmap 215 +#define __NR_mremap 216 +#define __NR_add_key 217 +#define __NR_request_key 218 +#define __NR_keyctl 219 +#define __NR_clone 220 +#define __NR_execve 221 +#define __NR3264_mmap 222 +#define __NR3264_fadvise64 223 +#define __NR_swapon 224 +#define __NR_swapoff 225 +#define __NR_mprotect 226 +#define __NR_msync 227 +#define __NR_mlock 228 +#define __NR_munlock 229 +#define __NR_mlockall 230 +#define __NR_munlockall 231 +#define __NR_mincore 232 +#define __NR_madvise 233 +#define __NR_remap_file_pages 234 +#define __NR_mbind 235 +#define __NR_get_mempolicy 236 +#define __NR_set_mempolicy 237 +#define __NR_migrate_pages 238 +#define __NR_move_pages 239 +#define __NR_rt_tgsigqueueinfo 240 +#define __NR_perf_event_open 241 +#define __NR_accept4 242 +#define __NR_recvmmsg 243 +#define __NR_arch_specific_syscall 244 +#define __NR_wait4 260 +#define __NR_prlimit64 261 +#define __NR_fanotify_init 262 +#define __NR_fanotify_mark 263 +#define __NR_name_to_handle_at 264 +#define __NR_open_by_handle_at 265 +#define __NR_clock_adjtime 266 +#define __NR_syncfs 267 +#define __NR_setns 268 +#define __NR_sendmmsg 269 +#define __NR_process_vm_readv 270 +#define __NR_process_vm_writev 271 +#define __NR_kcmp 272 +#define __NR_finit_module 273 +#define __NR_sched_setattr 274 +#define __NR_sched_getattr 275 +#define __NR_renameat2 276 +#define __NR_seccomp 277 +#define __NR_getrandom 278 +#define __NR_memfd_create 279 +#define __NR_bpf 280 +#define __NR_execveat 281 +#define __NR_userfaultfd 282 +#define __NR_membarrier 283 +#define __NR_mlock2 284 +#define __NR_copy_file_range 285 +#define __NR_preadv2 286 +#define __NR_pwritev2 287 +#define __NR_pkey_mprotect 288 +#define __NR_pkey_alloc 289 +#define __NR_pkey_free 290 +#define __NR_statx 291 +#define __NR_io_pgetevents 292 +#define __NR_rseq 293 +#define __NR_kexec_file_load 294 +#define __NR_pidfd_send_signal 424 +#define __NR_io_uring_setup 425 +#define __NR_io_uring_enter 426 +#define __NR_io_uring_register 427 +#define __NR_open_tree 428 +#define __NR_move_mount 429 +#define __NR_fsopen 430 +#define __NR_fsconfig 431 +#define __NR_fsmount 432 +#define __NR_fspick 433 +#define __NR_pidfd_open 434 +#define __NR_clone3 435 +#define __NR_close_range 436 +#define __NR_openat2 437 +#define __NR_pidfd_getfd 438 +#define __NR_faccessat2 439 +#define __NR_process_madvise 440 +#define __NR_fcntl __NR3264_fcntl +#define __NR_statfs __NR3264_statfs +#define __NR_fstatfs __NR3264_fstatfs +#define __NR_truncate __NR3264_truncate +#define __NR_ftruncate __NR3264_ftruncate +#define __NR_lseek __NR3264_lseek +#define __NR_sendfile __NR3264_sendfile +#define __NR_mmap __NR3264_mmap +#define __NR_fadvise64 __NR3264_fadvise64 diff --git a/arch/loongarch64/bits/user.h b/arch/loongarch64/bits/user.h new file mode 100644 index 00000000..4d4cd534 --- /dev/null +++ b/arch/loongarch64/bits/user.h @@ -0,0 +1,5 @@ +#define ELF_NGREG 45 +#define ELF_NFPREG 33 + +typedef unsigned long elf_greg_t, elf_gregset_t[ELF_NGREG]; +typedef double elf_fpreg_t, elf_fpregset_t[ELF_NFPREG]; diff --git a/arch/loongarch64/crt_arch.h b/arch/loongarch64/crt_arch.h new file mode 100644 index 00000000..c806a0bf --- /dev/null +++ b/arch/loongarch64/crt_arch.h @@ -0,0 +1,14 @@ +__asm__( +".text \n" +".global " START "\n" +".type " START ", @function\n" +START ":\n" +" add.w $fp, $r0,$r0\n" +" or $a0, $sp, $zero\n" +".weak _DYNAMIC\n" +".hidden _DYNAMIC\n" +" la.local $a1, _DYNAMIC\n" +" addi.w $t7, $r0, -16\n" +" and $sp, $sp, $t7\n" +" b " START "_c\n" +); diff --git a/arch/loongarch64/pthread_arch.h b/arch/loongarch64/pthread_arch.h new file mode 100644 index 00000000..95ee4c7a --- /dev/null +++ b/arch/loongarch64/pthread_arch.h @@ -0,0 +1,13 @@ +static inline uintptr_t __get_tp() +{ + register uintptr_t tp __asm__("tp"); + __asm__ ("" : "=r" (tp) ); + return tp; +} + +#define TLS_ABOVE_TP +#define GAP_ABOVE_TP 0 + +#define DTP_OFFSET 0 + +#define MC_PC pc diff --git a/arch/loongarch64/reloc.h b/arch/loongarch64/reloc.h new file mode 100644 index 00000000..2f759a34 --- /dev/null +++ b/arch/loongarch64/reloc.h @@ -0,0 +1,27 @@ +#ifdef __loongarch64_soft_float +#define FP_SUFFIX "-sf" +#else +#define FP_SUFFIX "" +#endif + +#define LDSO_ARCH "loongarch64" FP_SUFFIX + +#define TPOFF_K (0x0) + +#define REL_PLT R_LARCH_JUMP_SLOT +#define REL_COPY R_LARCH_COPY +#define REL_DTPMOD R_LARCH_TLS_DTPMOD64 +#define REL_DTPOFF R_LARCH_TLS_DTPREL64 +#define REL_TPOFF R_LARCH_TLS_TPREL64 +#define REL_RELATIVE R_LARCH_RELATIVE +#define REL_SYMBOLIC R_LARCH_64 + +#define CRTJMP(pc,sp) __asm__ __volatile__( \ + "move $sp,%1 ; jr %0" : : "r"(pc), "r"(sp) : "memory" ) + +#define GETFUNCSYM(fp, sym, got) __asm__ ( \ + ".hidden " #sym "\n" \ + ".align 8 \n" \ + " la.local $t1, "#sym" \n" \ + " or %0, $t1, $zero \n" \ + : "=r"(*(fp)) : : "memory" ) diff --git a/arch/loongarch64/syscall_arch.h b/arch/loongarch64/syscall_arch.h new file mode 100644 index 00000000..ddd29578 --- /dev/null +++ b/arch/loongarch64/syscall_arch.h @@ -0,0 +1,137 @@ +#define __SYSCALL_LL_E(x) (x) +#define __SYSCALL_LL_O(x) (x) + +#define SYSCALL_CLOBBERLIST \ + "$t0", "$t1", "$t2", "$t3", \ + "$t4", "$t5", "$t6", "$t7", "$t8", "memory" + +static inline long __syscall0(long n) +{ + register long a7 __asm__("$a7") = n; + register long a0 __asm__("$a0"); + + __asm__ __volatile__ ( + "syscall 0" + : "=r"(a0) + : "r"(a7) + : SYSCALL_CLOBBERLIST); + return a0; +} + +static inline long __syscall1(long n, long a) +{ + register long a7 __asm__("$a7") = n; + register long a0 __asm__("$a0") = a; + + __asm__ __volatile__ ( + "syscall 0" + : "+r"(a0) + : "r"(a7) + : SYSCALL_CLOBBERLIST); + return a0; +} + +static inline long __syscall2(long n, long a, long b) +{ + register long a7 __asm__("$a7") = n; + register long a0 __asm__("$a0") = a; + register long a1 __asm__("$a1") = b; + + __asm__ __volatile__ ( + "syscall 0" + : "+r"(a0) + : "r"(a7), "r"(a1) + : SYSCALL_CLOBBERLIST); + return a0; +} + +static inline long __syscall3(long n, long a, long b, long c) +{ + register long a7 __asm__("$a7") = n; + register long a0 __asm__("$a0") = a; + register long a1 __asm__("$a1") = b; + register long a2 __asm__("$a2") = c; + + __asm__ __volatile__ ( + "syscall 0" + : "+r"(a0) + : "r"(a7), "r"(a1), "r"(a2) + : SYSCALL_CLOBBERLIST); + return a0; +} + +static inline long __syscall4(long n, long a, long b, long c, long d) +{ + register long a7 __asm__("$a7") = n; + register long a0 __asm__("$a0") = a; + register long a1 __asm__("$a1") = b; + register long a2 __asm__("$a2") = c; + register long a3 __asm__("$a3") = d; + + __asm__ __volatile__ ( + "syscall 0" + : "+r"(a0) + : "r"(a7), "r"(a1), "r"(a2), "r"(a3) + : SYSCALL_CLOBBERLIST); + return a0; +} + +static inline long __syscall5(long n, long a, long b, long c, long d, long e) +{ + register long a7 __asm__("$a7") = n; + register long a0 __asm__("$a0") = a; + register long a1 __asm__("$a1") = b; + register long a2 __asm__("$a2") = c; + register long a3 __asm__("$a3") = d; + register long a4 __asm__("$a4") = e; + + __asm__ __volatile__ ( + "syscall 0" + : "+r"(a0) + : "r"(a7), "r"(a1), "r"(a2), "r"(a3), "r"(a4) + : SYSCALL_CLOBBERLIST); + return a0; +} + +static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f) +{ + register long a7 __asm__("$a7") = n; + register long a0 __asm__("$a0") = a; + register long a1 __asm__("$a1") = b; + register long a2 __asm__("$a2") = c; + register long a3 __asm__("$a3") = d; + register long a4 __asm__("$a4") = e; + register long a5 __asm__("$a5") = f; + + __asm__ __volatile__ ( + "syscall 0" + : "+r"(a0) + : "r"(a7), "r"(a1), "r"(a2), "r"(a3), "r"(a4), "r"(a5) + : SYSCALL_CLOBBERLIST); + return a0; +} + +static inline long __syscall7(long n, long a, long b, long c, long d, long e, long f, long g) +{ + register long a7 __asm__("$a7") = n; + register long a0 __asm__("$a0") = a; + register long a1 __asm__("$a1") = b; + register long a2 __asm__("$a2") = c; + register long a3 __asm__("$a3") = d; + register long a4 __asm__("$a4") = e; + register long a5 __asm__("$a5") = f; + register long a6 __asm__("$a6") = g; + + __asm__ __volatile__ ( + "syscall 0" + : "+r"(a0) + : "r"(a7), "r"(a1), "r"(a2), "r"(a3), "r"(a4), "r"(a5), "r"(a6) + : SYSCALL_CLOBBERLIST); + return a0; +} + +#define VDSO_USEFUL +#define VDSO_CGT_SYM "__vdso_clock_gettime" +#define VDSO_CGT_VER "LINUX_2.6" + +#define IPC_64 0 diff --git a/configure b/configure index 6f5453f5..aac0c467 100755 --- a/configure +++ b/configure @@ -338,6 +338,7 @@ powerpc*|ppc*) ARCH=powerpc ;; riscv64*) ARCH=riscv64 ;; sh[1-9bel-]*|sh|superh*) ARCH=sh ;; s390x*) ARCH=s390x ;; +loongarch64*) ARCH=loongarch64 ;; unknown) fail "$0: unable to detect target arch; try $0 --target=..." ;; *) fail "$0: unknown or unsupported target \"$target\"" ;; esac diff --git a/crt/loongarch64/crti.s b/crt/loongarch64/crti.s new file mode 100644 index 00000000..96a754d3 --- /dev/null +++ b/crt/loongarch64/crti.s @@ -0,0 +1,15 @@ +.section .init +.global _init +_init: + addi.d $r3,$r3,-16 + st.d $fp,$r3,0 + st.d $ra,$r3,8 + addi.d $fp,$r3,16 + +.section .fini +.global _fini +_fini: + addi.d $r3,$r3,-16 + st.d $fp,$r3,0 + st.d $ra,$r3,8 + addi.d $fp,$r3,16 diff --git a/crt/loongarch64/crtn.s b/crt/loongarch64/crtn.s new file mode 100644 index 00000000..bffb18f4 --- /dev/null +++ b/crt/loongarch64/crtn.s @@ -0,0 +1,12 @@ +.section .init + ld.d $fp,$r3,0 + ld.d $ra,$r3,8 + addi.d $r3,$r3,16 + jirl $r0,$ra,0 + + +.section .fini + ld.d $fp,$r3,0 + ld.d $ra,$r3,8 + addi.d $r3,$r3,16 + jirl $r0,$ra,0 diff --git a/include/elf.h b/include/elf.h index 86e2f0bb..69b01ff4 100644 --- a/include/elf.h +++ b/include/elf.h @@ -697,6 +697,11 @@ typedef struct { #define NT_MIPS_FP_MODE 0x801 #define NT_MIPS_MSA 0x802 #define NT_VERSION 1 +#define NT_LOONGARCH_CPUCFG 0xa00 +#define NT_LOONGARCH_CSR 0xa01 +#define NT_LOONGARCH_LSX 0xa02 +#define NT_LOONGARCH_LASX 0xa03 +#define NT_LOONGARCH_LBT 0xa04 @@ -3288,6 +3293,67 @@ enum #define R_RISCV_SET32 56 #define R_RISCV_32_PCREL 57 +/* LoongISA ELF Flags */ +#define EM_LOONGARCH 258 + +#define EF_LARCH_ABI 0x0003 +#define EF_LARCH_ABI_LP64 0x0003 +#define EF_LARCH_ABI_LP32 0x0001 + +/* Loongarch specific dynamic relocations. */ +#define R_LARCH_NONE 0 +#define R_LARCH_32 1 +#define R_LARCH_64 2 +#define R_LARCH_RELATIVE 3 +#define R_LARCH_COPY 4 +#define R_LARCH_JUMP_SLOT 5 +#define R_LARCH_TLS_DTPMOD32 6 +#define R_LARCH_TLS_DTPMOD64 7 +#define R_LARCH_TLS_DTPREL32 8 +#define R_LARCH_TLS_DTPREL64 9 +#define R_LARCH_TLS_TPREL32 10 +#define R_LARCH_TLS_TPREL64 11 +#define R_LARCH_IRELATIVE 12 +#define R_LARCH_MARK_LA 20 +#define R_LARCH_MARK_PCREL 21 +#define R_LARCH_SOP_PUSH_PCREL 22 +#define R_LARCH_SOP_PUSH_ABSOLUTE 23 +#define R_LARCH_SOP_PUSH_DUP 24 +#define R_LARCH_SOP_PUSH_GPREL 25 +#define R_LARCH_SOP_PUSH_TLS_TPREL 26 +#define R_LARCH_SOP_PUSH_TLS_GOT 27 +#define R_LARCH_SOP_PUSH_TLS_GD 28 +#define R_LARCH_SOP_PUSH_PLT_PCREL 29 +#define R_LARCH_SOP_ASSERT 30 +#define R_LARCH_SOP_NOT 31 +#define R_LARCH_SOP_SUB 32 +#define R_LARCH_SOP_SL 33 +#define R_LARCH_SOP_SR 34 +#define R_LARCH_SOP_ADD 35 +#define R_LARCH_SOP_AND 36 +#define R_LARCH_SOP_IF_ELSE 37 +#define R_LARCH_SOP_POP_32_S_10_5 38 +#define R_LARCH_SOP_POP_32_U_10_12 39 +#define R_LARCH_SOP_POP_32_S_10_12 40 +#define R_LARCH_SOP_POP_32_S_10_16 41 +#define R_LARCH_SOP_POP_32_S_10_16_S2 42 +#define R_LARCH_SOP_POP_32_S_5_20 43 +#define R_LARCH_SOP_POP_32_S_0_5_10_16_S2 44 +#define R_LARCH_SOP_POP_32_S_0_10_10_16_S2 45 +#define R_LARCH_SOP_POP_32_U 46 +#define R_LARCH_ADD8 47 +#define R_LARCH_ADD16 48 +#define R_LARCH_ADD24 49 +#define R_LARCH_ADD32 50 +#define R_LARCH_ADD64 51 +#define R_LARCH_SUB8 52 +#define R_LARCH_SUB16 53 +#define R_LARCH_SUB24 54 +#define R_LARCH_SUB32 55 +#define R_LARCH_SUB64 56 +#define R_LARCH_GNU_VTINHERIT 57 +#define R_LARCH_GNU_VTENTRY 58 + #ifdef __cplusplus } #endif diff --git a/src/fenv/loongarch64/fenv.S b/src/fenv/loongarch64/fenv.S new file mode 100644 index 00000000..049234be --- /dev/null +++ b/src/fenv/loongarch64/fenv.S @@ -0,0 +1,72 @@ +#ifndef __loongarch_soft_float + +.global feclearexcept +.type feclearexcept,@function +feclearexcept: + li.w $a1, 0x1f0000 //flags in 16-20 bit of fcsr0. + and $a0, $a0, $a1 + movfcsr2gr $a1, $r0 + or $a1, $a1, $a0 + xor $a1, $a1, $a0 + movgr2fcsr $r0, $a1 + li.w $v0, 0 + jirl $zero, $ra, 0 + +.global feraiseexcept +.type feraiseexcept,@function +feraiseexcept: + li.w $a1, 0x1f0000 + and $a0, $a0, $a1 + movfcsr2gr $a1, $r0 + or $a1, $a1, $a0 + movgr2fcsr $r0, $a1 + li.w $v0, 0 + jirl $zero, $ra, 0 + +.global fetestexcept +.type fetestexcept,@function +fetestexcept: + li.w $a1, 0x1f0000 + and $a0, $a0, $a1 + movfcsr2gr $a1, $r0 + and $v0, $a1, $a0 + jirl $zero, $ra, 0 + +.global fegetround +.type fegetround,@function +fegetround: + movfcsr2gr $v0, $r0 + andi $v0, $v0, 0x300 //fcsr0.RM + jirl $zero, $ra, 0 + +.global __fesetround +.hidden __fesetround +.type __fesetround,@function +__fesetround: + movfcsr2gr $a1, $r0 + li.w $a2, -769 //0xfffffcff + and $a1, $a1, $a2 + or $a1, $a1, $a0 + movgr2fcsr $r0, $a1 + li.w $v0, 0 + jirl $zero, $ra, 0 + +.global fegetenv +.type fegetenv,@function +fegetenv: + movfcsr2gr $a1, $r0 + st.w $a1, $a0, 0 + li.w $v0, 0 + jirl $zero, $ra, 0 + +.global fesetenv +.type fesetenv,@function +fesetenv: + addi.d $a1, $a0, 1 + beq $a1, $r0, 1f + ld.w $a1, $a0, 0 +1: movgr2fcsr $r0, $a1 + li.w $v0, 0 + jirl $zero, $ra, 0 + +#endif diff --git a/src/ldso/loongarch64/dlsym.s b/src/ldso/loongarch64/dlsym.s new file mode 100644 index 00000000..5f51ed85 --- /dev/null +++ b/src/ldso/loongarch64/dlsym.s @@ -0,0 +1,7 @@ +.global dlsym +.hidden __dlsym +.type dlsym,@function +dlsym: + move $a2, $ra + la.global $r16, __dlsym + jirl $r0, $r16, 0 diff --git a/src/setjmp/loongarch64/longjmp.S b/src/setjmp/loongarch64/longjmp.S new file mode 100644 index 00000000..41d897ed --- /dev/null +++ b/src/setjmp/loongarch64/longjmp.S @@ -0,0 +1,37 @@ +.global _longjmp +.global longjmp +.type _longjmp,@function +.type longjmp,@function +_longjmp: +longjmp: + add.d $t5, $a0, $zero + add.d $v0, $a1, $zero + + bne $v0, $zero, 1f + addi.d $v0, $v0, 1 + +1: + ld.d $ra, $t5, 0 + ld.d $sp, $t5, 8 + ld.d $r21,$t5, 16 + ld.d $fp, $t5, 24 + ld.d $s0, $t5, 32 + ld.d $s1, $t5, 40 + ld.d $s2, $t5, 48 + ld.d $s3, $t5, 56 + ld.d $s4, $t5, 64 + ld.d $s5, $t5, 72 + ld.d $s6, $t5, 80 + ld.d $s7, $t5, 88 + ld.d $s8, $t5, 96 +#ifndef __loongarch64_soft_float + fld.d $fs0, $t5, 104 + fld.d $fs1, $t5, 112 + fld.d $fs2, $t5, 120 + fld.d $fs3, $t5, 128 + fld.d $fs4, $t5, 136 + fld.d $fs5, $t5, 144 + fld.d $fs6, $t5, 152 + fld.d $fs7, $t5, 160 +#endif + jirl $zero, $ra, 0 diff --git a/src/setjmp/loongarch64/setjmp.S b/src/setjmp/loongarch64/setjmp.S new file mode 100644 index 00000000..8dca3cb8 --- /dev/null +++ b/src/setjmp/loongarch64/setjmp.S @@ -0,0 +1,34 @@ +.global __setjmp +.global _setjmp +.global setjmp +.type __setjmp,@function +.type _setjmp,@function +.type setjmp,@function +__setjmp: +_setjmp: +setjmp: + st.d $ra, $a0, 0 + st.d $sp, $a0, 8 + st.d $r21,$a0, 16 + st.d $fp, $a0, 24 + st.d $s0, $a0, 32 + st.d $s1, $a0, 40 + st.d $s2, $a0, 48 + st.d $s3, $a0, 56 + st.d $s4, $a0, 64 + st.d $s5, $a0, 72 + st.d $s6, $a0, 80 + st.d $s7, $a0, 88 + st.d $s8, $a0, 96 +#ifndef __loongarch64_soft_float + fst.d $fs0, $a0, 104 + fst.d $fs1, $a0, 112 + fst.d $fs2, $a0, 120 + fst.d $fs3, $a0, 128 + fst.d $fs4, $a0, 136 + fst.d $fs5, $a0, 144 + fst.d $fs6, $a0, 152 + fst.d $fs7, $a0, 160 +#endif + xor $v0, $v0, $v0 + jirl $zero, $ra, 0 diff --git a/src/signal/loongarch64/restore.s b/src/signal/loongarch64/restore.s new file mode 100644 index 00000000..9bf015a0 --- /dev/null +++ b/src/signal/loongarch64/restore.s @@ -0,0 +1,10 @@ +.global __restore_rt +.global __restore +.hidden __restore_rt +.hidden __restore +.type __restore_rt,@function +.type __restore,@function +__restore_rt: +__restore: + ori $a7, $zero, 139 + syscall 0 diff --git a/src/signal/loongarch64/sigsetjmp.s b/src/signal/loongarch64/sigsetjmp.s new file mode 100644 index 00000000..d53f334a --- /dev/null +++ b/src/signal/loongarch64/sigsetjmp.s @@ -0,0 +1,29 @@ +.global sigsetjmp +.global __sigsetjmp +.type sigsetjmp,@function +.type __sigsetjmp,@function +sigsetjmp: +__sigsetjmp: + or $t5, $a0, $zero + or $t6, $a1, $zero + + # comparing save mask with 0, if equals to 0 then + # sigsetjmp is equal to setjmp. + beq $t6, $zero, 1f + st.d $ra, $t5, 168 + + # save base of got so that we can use it later + # once we return from 'longjmp' + la.global $t8, setjmp + jirl $ra, $t8, 0 + + or $v1, $v0, $zero # Return from 'setjmp' or 'longjmp' + ld.d $ra, $t5, 168 # Restore ra of sigsetjmp + or $a0, $t5, $zero + +.hidden __sigsetjmp_tail + la.global $t8, __sigsetjmp_tail + jirl $zero, $t8, 0 +1: + la.global $t8, setjmp + jirl $zero, $t8, 0 diff --git a/src/thread/loongarch64/__set_thread_area.s b/src/thread/loongarch64/__set_thread_area.s new file mode 100644 index 00000000..421cd381 --- /dev/null +++ b/src/thread/loongarch64/__set_thread_area.s @@ -0,0 +1,7 @@ +.global __set_thread_area +.hidden __set_thread_area +.type __set_thread_area,@function +__set_thread_area: + or $tp, $a0, $zero + ori $a0, $zero, 0 + jirl $zero, $ra, 0 diff --git a/src/thread/loongarch64/__unmapself.s b/src/thread/loongarch64/__unmapself.s new file mode 100644 index 00000000..b77e6d1d --- /dev/null +++ b/src/thread/loongarch64/__unmapself.s @@ -0,0 +1,7 @@ +.global __unmapself +.type __unmapself, @function +__unmapself: + li.d $a7, 215 + syscall 0 # call munmap + li.d $a7, 93 + syscall 0 # call exit diff --git a/src/thread/loongarch64/clone.s b/src/thread/loongarch64/clone.s new file mode 100644 index 00000000..ec920c7b --- /dev/null +++ b/src/thread/loongarch64/clone.s @@ -0,0 +1,47 @@ +#__clone(func, stack, flags, arg, ptid, tls, ctid) +# a0, a1, a2, a3, a4, a5, a6 +# sys_clone3(struct clone_args *cl_args, size_t size) +# a0 a1 + +.global __clone +.hidden __clone +.type __clone,@function +__clone: + # Save function pointer and argument pointer on new thread stack + addi.d $a1, $a1, -16 + st.d $a0, $a1, 0 # save function pointer + st.d $a3, $a1, 8 # save argument pointer + + li.d $t0, ~0x004000ff # mask CSIGNAL and CLONE_DETACHED + and $t1, $a2, $t0 # cl_args.flags + li.d $t0, 0x000000ff # CSIGNAL + and $t2, $a2, $t0 # cl_args.exit_signal + + bstrins.d $sp, $zero, 2, 0 # align stack to 8 bytes + addi.d $sp, $sp, -88 # struct clone_args + st.d $t1, $sp, 0 # flags + st.d $a4, $sp, 8 # pidfd + st.d $a6, $sp, 16 # child_tid + st.d $a4, $sp, 24 # parent_tid + st.d $t2, $sp, 32 # exit_signal + st.d $a1, $sp, 40 # stack + st.d $zero, $sp, 48 # stack_size + st.d $a5, $sp, 56 # tls + st.d $zero, $sp, 64 # set_tid + st.d $zero, $sp, 72 # set_tid_size + st.d $zero, $sp, 80 # cgroup + + move $a0, $sp + li.d $a1, 88 + li.d $a7, 435 # __NR_clone3 + syscall 0 # call clone3 + + beqz $a0, 1f # whether child process + addi.d $sp, $sp, 88 + jirl $zero, $ra, 0 # parent process return +1: + ld.d $t8, $sp, 0 # function pointer + ld.d $a0, $sp, 8 # argument pointer + jirl $ra, $t8, 0 # call the user's function + li.d $a7, 93 + syscall 0 # child process exit diff --git a/src/thread/loongarch64/syscall_cp.s b/src/thread/loongarch64/syscall_cp.s new file mode 100644 index 00000000..3903ed2c --- /dev/null +++ b/src/thread/loongarch64/syscall_cp.s @@ -0,0 +1,29 @@ +.global __cp_begin +.hidden __cp_begin +.global __cp_end +.hidden __cp_end +.global __cp_cancel +.hidden __cp_cancel +.hidden __cancel +.global __syscall_cp_asm +.hidden __syscall_cp_asm +.type __syscall_cp_asm,@function + +__syscall_cp_asm: +__cp_begin: + ld.w $a0, $a0, 0 + bnez $a0, __cp_cancel + or $t8, $a1, $zero # reserve system call number + or $a0, $a2, $zero + or $a1, $a3, $zero + or $a2, $a4, $zero + or $a3, $a5, $zero + or $a4, $a6, $zero + or $a5, $a7, $zero + or $a7, $t8, $zero + syscall 0 +__cp_end: + jirl $zero, $ra, 0 +__cp_cancel: + la.local $t8, __cancel + jirl $zero, $t8, 0 -- 2.34.1 ^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: [musl] Re: add loongarch64 port v4 2022-07-05 12:56 ` 王洪亮 @ 2022-07-16 8:13 ` 王洪亮 0 siblings, 0 replies; 7+ messages in thread From: 王洪亮 @ 2022-07-16 8:13 UTC (permalink / raw) To: musl [-- Attachment #1: Type: text/plain, Size: 65950 bytes --] Hi, Rich I'm Looking forward to your reply,thank you. 在 2022/7/5 下午8:56, 王洪亮 写道: > Hi, Rich > > Have you reviewed it? > This patch has some new problems? > > 在 2022/6/23 上午9:59, Rich Felker 写道: >> Hi. I just haven't gotten to reviewing it again. I'll try to take a >> good look in the next day or two. >> >> On Thu, Jun 23, 2022 at 09:30:55AM +0800, 王洪亮 wrote: >>> Hi, Rich >>> >>> this patch has any other problems need to be modified? >>> >>> Looking forward to your reply. thanks. >>> >>> >>> Hongliang Wang >>> >>> 在 2022/6/20 下午5:49, 王洪亮 写道: >>>> Hi, Rich >>>> >>>> 1. this patch has any other problems need to be modified? >>>> >>>> 2.what are the suggestions for support LA32 later? >>>> >>>> >>>> 在 2022/6/14 下午3:23, 王洪亮 写道: >>>>> Hi, >>>>> >>>>> 1. this patch has any other problems need to be modified? >>>>> >>>>> 2.what are the suggestions for support LA32? >>>>> >>>>> >>>>> 在 2022/6/8 上午11:56, 王洪亮 写道: >>>>>> Hi, >>>>>> >>>>>> I published loongarch64 port v4 in >>>>>> https://github.com/loongson/musl/tree/loongarch-v2.0. >>>>>> >>>>>> fixed the following problems: >>>>>> >>>>>> 1.fixed the extension field of struct mcontext >>>>>> >>>>>> 2.removed arch/loongarch64/kstat.h >>>>>> >>>>>> 3.deleted the incorrect definition in arch/loongarch64/reloc.h >>>>>> >>>>>> 4.optimize dlsym >>>>>> >>>>>> please code review if there are any other problems ? thanks. >>>>>> >>>>>> I have one questions: >>>>>> >>>>>> Through add "long__uc_pad" in struct ucontext_t to meet the >>>>>> extcontext[] 16 bytes alignment, >>>>>> >>>>>> if run in loongarch32, this method not meet the 16 bytes >>>>>> alignment requirement. how to do it ? >>>>>> >>>>>> >>>>>> Hongliang Wang. >>>>>> >>> >From 5535c500f137c3cb9ad36c7c96e7aaca440c85bd Mon Sep 17 00:00:00 2001 >>> From: wanghongliang <wanghongliang@loongson.cn> >>> Date: Wed, 8 Jun 2022 01:42:12 +0800 >>> Subject: [PATCH] add loongarch64 port v4. >>> >>> Author: xiaojuanZhai <zhaixiaojuan@loongson.cn> >>> Author: meidanLi <limeidan@loongson.cn> >>> Author: guoqiChen <chenguoqi@loongson.cn> >>> Author: xiaolinZhao <zhaoxiaolin@loongson.cn> >>> Author: Fanpeng <fanpeng@loongson.cn> >>> Author: jiantaoShan <shanjiantao@loongson.cn> >>> Author: xuhuiQiang <qiangxuhui@loongson.cn> >>> Author: jingyunHua <huajingyun@loongson.cn> >>> Author: liuxue <liuxue@loongson.cn> >>> Author: wanghongliang <wanghongliang@loongson.cn >>> >>> Signed-off-by: wanghongliang <wanghongliang@loongson.cn> >>> --- >>> arch/loongarch64/atomic_arch.h | 53 ++++ >>> arch/loongarch64/bits/alltypes.h.in | 18 ++ >>> arch/loongarch64/bits/fenv.h | 20 ++ >>> arch/loongarch64/bits/float.h | 16 ++ >>> arch/loongarch64/bits/hwcap.h | 14 + >>> arch/loongarch64/bits/posix.h | 2 + >>> arch/loongarch64/bits/ptrace.h | 4 + >>> arch/loongarch64/bits/reg.h | 66 +++++ >>> arch/loongarch64/bits/setjmp.h | 1 + >>> arch/loongarch64/bits/signal.h | 80 ++++++ >>> arch/loongarch64/bits/stat.h | 18 ++ >>> arch/loongarch64/bits/stdint.h | 20 ++ >>> arch/loongarch64/bits/syscall.h.in | 303 >>> +++++++++++++++++++++ >>> arch/loongarch64/bits/user.h | 5 + >>> arch/loongarch64/crt_arch.h | 14 + >>> arch/loongarch64/pthread_arch.h | 13 + >>> arch/loongarch64/reloc.h | 27 ++ >>> arch/loongarch64/syscall_arch.h | 137 ++++++++++ >>> configure | 1 + >>> crt/loongarch64/crti.s | 15 + >>> crt/loongarch64/crtn.s | 12 + >>> include/elf.h | 66 +++++ >>> src/fenv/loongarch64/fenv.S | 72 +++++ >>> src/ldso/loongarch64/dlsym.s | 7 + >>> src/setjmp/loongarch64/longjmp.S | 37 +++ >>> src/setjmp/loongarch64/setjmp.S | 34 +++ >>> src/signal/loongarch64/restore.s | 10 + >>> src/signal/loongarch64/sigsetjmp.s | 29 ++ >>> src/thread/loongarch64/__set_thread_area.s | 7 + >>> src/thread/loongarch64/__unmapself.s | 7 + >>> src/thread/loongarch64/clone.s | 47 ++++ >>> src/thread/loongarch64/syscall_cp.s | 29 ++ >>> 32 files changed, 1184 insertions(+) >>> create mode 100644 arch/loongarch64/atomic_arch.h >>> create mode 100644 arch/loongarch64/bits/alltypes.h.in >>> create mode 100644 arch/loongarch64/bits/fenv.h >>> create mode 100644 arch/loongarch64/bits/float.h >>> create mode 100644 arch/loongarch64/bits/hwcap.h >>> create mode 100644 arch/loongarch64/bits/posix.h >>> create mode 100644 arch/loongarch64/bits/ptrace.h >>> create mode 100644 arch/loongarch64/bits/reg.h >>> create mode 100644 arch/loongarch64/bits/setjmp.h >>> create mode 100644 arch/loongarch64/bits/signal.h >>> create mode 100644 arch/loongarch64/bits/stat.h >>> create mode 100644 arch/loongarch64/bits/stdint.h >>> create mode 100644 arch/loongarch64/bits/syscall.h.in >>> create mode 100644 arch/loongarch64/bits/user.h >>> create mode 100644 arch/loongarch64/crt_arch.h >>> create mode 100644 arch/loongarch64/pthread_arch.h >>> create mode 100644 arch/loongarch64/reloc.h >>> create mode 100644 arch/loongarch64/syscall_arch.h >>> create mode 100644 crt/loongarch64/crti.s >>> create mode 100644 crt/loongarch64/crtn.s >>> create mode 100644 src/fenv/loongarch64/fenv.S >>> create mode 100644 src/ldso/loongarch64/dlsym.s >>> create mode 100644 src/setjmp/loongarch64/longjmp.S >>> create mode 100644 src/setjmp/loongarch64/setjmp.S >>> create mode 100644 src/signal/loongarch64/restore.s >>> create mode 100644 src/signal/loongarch64/sigsetjmp.s >>> create mode 100644 src/thread/loongarch64/__set_thread_area.s >>> create mode 100644 src/thread/loongarch64/__unmapself.s >>> create mode 100644 src/thread/loongarch64/clone.s >>> create mode 100644 src/thread/loongarch64/syscall_cp.s >>> >>> diff --git a/arch/loongarch64/atomic_arch.h >>> b/arch/loongarch64/atomic_arch.h >>> new file mode 100644 >>> index 00000000..bf4805c9 >>> --- /dev/null >>> +++ b/arch/loongarch64/atomic_arch.h >>> @@ -0,0 +1,53 @@ >>> +#define a_ll a_ll >>> +static inline int a_ll(volatile int *p) >>> +{ >>> + int v; >>> + __asm__ __volatile__ ( >>> + "ll.w %0, %1" >>> + : "=r"(v) >>> + : "ZC"(*p)); >>> + return v; >>> +} >>> + >>> +#define a_sc a_sc >>> +static inline int a_sc(volatile int *p, int v) >>> +{ >>> + int r; >>> + __asm__ __volatile__ ( >>> + "sc.w %0, %1" >>> + : "=r"(r), "=ZC"(*p) >>> + : "0"(v) : "memory"); >>> + return r; >>> +} >>> + >>> +#define a_ll_p a_ll_p >>> +static inline void *a_ll_p(volatile void *p) >>> +{ >>> + void *v; >>> + __asm__ __volatile__ ( >>> + "ll.d %0, %1" >>> + : "=r"(v) >>> + : "ZC"(*(void *volatile *)p)); >>> + return v; >>> +} >>> + >>> +#define a_sc_p a_sc_p >>> +static inline int a_sc_p(volatile void *p, void *v) >>> +{ >>> + long r; >>> + __asm__ __volatile__ ( >>> + "sc.d %0, %1" >>> + : "=r"(r), "=ZC"(*(void *volatile *)p) >>> + : "0"(v) >>> + : "memory"); >>> + return r; >>> +} >>> + >>> +#define a_barrier a_barrier >>> +static inline void a_barrier() >>> +{ >>> + __asm__ __volatile__ ("dbar 0" : : : "memory"); >>> +} >>> + >>> +#define a_pre_llsc a_barrier >>> +#define a_post_llsc a_barrier >>> diff --git a/arch/loongarch64/bits/alltypes.h.in >>> b/arch/loongarch64/bits/alltypes.h.in >>> new file mode 100644 >>> index 00000000..d1807aca >>> --- /dev/null >>> +++ b/arch/loongarch64/bits/alltypes.h.in >>> @@ -0,0 +1,18 @@ >>> +#define _Addr long >>> +#define _Int64 long >>> +#define _Reg long >>> + >>> +#define __BYTE_ORDER 1234 >>> +#define __LONG_MAX 0x7fffffffffffffffL >>> + >>> +#ifndef __cplusplus >>> +TYPEDEF int wchar_t; >>> +#endif >>> + >>> +TYPEDEF float float_t; >>> +TYPEDEF double double_t; >>> + >>> +TYPEDEF struct { long long __ll; long double __ld; } max_align_t; >>> + >>> +TYPEDEF unsigned nlink_t; >>> +TYPEDEF int blksize_t; >>> diff --git a/arch/loongarch64/bits/fenv.h >>> b/arch/loongarch64/bits/fenv.h >>> new file mode 100644 >>> index 00000000..264cafb5 >>> --- /dev/null >>> +++ b/arch/loongarch64/bits/fenv.h >>> @@ -0,0 +1,20 @@ >>> +#define FE_INEXACT 0x010000 >>> +#define FE_UNDERFLOW 0x020000 >>> +#define FE_OVERFLOW 0x040000 >>> +#define FE_DIVBYZERO 0x080000 >>> +#define FE_INVALID 0x100000 >>> + >>> +#define FE_ALL_EXCEPT 0x1F0000 >>> + >>> +#define FE_TONEAREST 0x000 >>> +#define FE_TOWARDZERO 0x100 >>> +#define FE_UPWARD 0x200 >>> +#define FE_DOWNWARD 0x300 >>> + >>> +typedef unsigned fexcept_t; >>> + >>> +typedef struct { >>> + unsigned __cw; >>> +} fenv_t; >>> + >>> +#define FE_DFL_ENV ((const fenv_t *) -1) >>> diff --git a/arch/loongarch64/bits/float.h >>> b/arch/loongarch64/bits/float.h >>> new file mode 100644 >>> index 00000000..719c7908 >>> --- /dev/null >>> +++ b/arch/loongarch64/bits/float.h >>> @@ -0,0 +1,16 @@ >>> +#define FLT_EVAL_METHOD 0 >>> + >>> +#define LDBL_TRUE_MIN 6.47517511943802511092443895822764655e-4966L >>> +#define LDBL_MIN 3.36210314311209350626267781732175260e-4932L >>> +#define LDBL_MAX 1.18973149535723176508575932662800702e+4932L >>> +#define LDBL_EPSILON 1.92592994438723585305597794258492732e-34L >>> + >>> +#define LDBL_MANT_DIG 113 >>> +#define LDBL_MIN_EXP (-16381) >>> +#define LDBL_MAX_EXP 16384 >>> + >>> +#define LDBL_DIG 33 >>> +#define LDBL_MIN_10_EXP (-4931) >>> +#define LDBL_MAX_10_EXP 4932 >>> + >>> +#define DECIMAL_DIG 36 >>> diff --git a/arch/loongarch64/bits/hwcap.h >>> b/arch/loongarch64/bits/hwcap.h >>> new file mode 100644 >>> index 00000000..c9fa08f6 >>> --- /dev/null >>> +++ b/arch/loongarch64/bits/hwcap.h >>> @@ -0,0 +1,14 @@ >>> +/* HWCAP - Hardware Capabilities. >>> + * Hardware information is not clear at present, leave it blank. >>> + */ >>> +#define HWCAP_LOONGARCH_CPUCFG (1 << 0) >>> +#define HWCAP_LOONGARCH_FPU (1 << 1) >>> +#define HWCAP_LOONGARCH_LSX (1 << 2) /* support 128bit vectors*/ >>> +#define HWCAP_LOONGARCH_LASX (1 << 3) /* support 256bit vectors*/ >>> +#define HWCAP_LOONGARCH_LBT (1 << 4) /* support LBT*/ >>> +#define HWCAP_LOONGARCH_LVZ (1 << 5) /* support virtualization >>> expansion*/ >>> +#define HWCAP_LOONGARCH_CRC32 (1 << 7) /* support CRC32 check*/ >>> +#define HWCAP_LOONGARCH_AES (1 << 6) >>> +#define HWCAP_LOONGARCH_SHA1 (1 << 8) >>> +#define HWCAP_LOONGARCH_SHA2 (1 << 9) >>> +#define HWCAP_LOONGARCH_SHA3 (1 << 10) >>> diff --git a/arch/loongarch64/bits/posix.h >>> b/arch/loongarch64/bits/posix.h >>> new file mode 100644 >>> index 00000000..8068ce98 >>> --- /dev/null >>> +++ b/arch/loongarch64/bits/posix.h >>> @@ -0,0 +1,2 @@ >>> +#define _POSIX_V6_LP64_OFF64 1 >>> +#define _POSIX_V7_LP64_OFF64 1 >>> diff --git a/arch/loongarch64/bits/ptrace.h >>> b/arch/loongarch64/bits/ptrace.h >>> new file mode 100644 >>> index 00000000..741fc668 >>> --- /dev/null >>> +++ b/arch/loongarch64/bits/ptrace.h >>> @@ -0,0 +1,4 @@ >>> +#define PTRACE_GET_THREAD_AREA 25 >>> +#define PTRACE_SET_THREAD_AREA 26 >>> +#define PTRACE_GET_WATCH_REGS 0xd0 >>> +#define PTRACE_SET_WATCH_REGS 0xd1 >>> diff --git a/arch/loongarch64/bits/reg.h b/arch/loongarch64/bits/reg.h >>> new file mode 100644 >>> index 00000000..5d3f92c5 >>> --- /dev/null >>> +++ b/arch/loongarch64/bits/reg.h >>> @@ -0,0 +1,66 @@ >>> +#undef __WORDSIZE >>> +#define __WORDSIZE 64 >>> +#define LOONGARCH64_EF_R0 0 >>> +#define LOONGARCH64_EF_R1 1 >>> +#define LOONGARCH64_EF_R2 2 >>> +#define LOONGARCH64_EF_R3 3 >>> +#define LOONGARCH64_EF_R4 4 >>> +#define LOONGARCH64_EF_R5 5 >>> +#define LOONGARCH64_EF_R6 6 >>> +#define LOONGARCH64_EF_R7 7 >>> +#define LOONGARCH64_EF_R8 8 >>> +#define LOONGARCH64_EF_R9 9 >>> +#define LOONGARCH64_EF_R10 10 >>> +#define LOONGARCH64_EF_R11 11 >>> +#define LOONGARCH64_EF_R12 12 >>> +#define LOONGARCH64_EF_R13 13 >>> +#define LOONGARCH64_EF_R14 14 >>> +#define LOONGARCH64_EF_R15 15 >>> +#define LOONGARCH64_EF_R16 16 >>> +#define LOONGARCH64_EF_R17 17 >>> +#define LOONGARCH64_EF_R18 18 >>> +#define LOONGARCH64_EF_R19 19 >>> +#define LOONGARCH64_EF_R20 20 >>> +#define LOONGARCH64_EF_R21 21 >>> +#define LOONGARCH64_EF_R22 22 >>> +#define LOONGARCH64_EF_R23 23 >>> +#define LOONGARCH64_EF_R24 24 >>> +#define LOONGARCH64_EF_R25 25 >>> +#define LOONGARCH64_EF_R26 26 >>> +#define LOONGARCH64_EF_R27 27 >>> +#define LOONGARCH64_EF_R28 28 >>> +#define LOONGARCH64_EF_R29 29 >>> +#define LOONGARCH64_EF_R30 30 >>> +#define LOONGARCH64_EF_R31 31 >>> + >>> +#define LOONGARCH64_EF_SIZE 304 /* size in bytes */ >>> + >>> +#define EF_R0 LOONGARCH64_EF_R0 >>> +#define EF_R1 LOONGARCH64_EF_R1 >>> +#define EF_R2 LOONGARCH64_EF_R2 >>> +#define EF_R3 LOONGARCH64_EF_R3 >>> +#define EF_R4 LOONGARCH64_EF_R4 >>> +#define EF_R5 LOONGARCH64_EF_R5 >>> +#define EF_R6 LOONGARCH64_EF_R6 >>> +#define EF_R7 LOONGARCH64_EF_R7 >>> +#define EF_R8 LOONGARCH64_EF_R8 >>> +#define EF_R9 LOONGARCH64_EF_R9 >>> +#define EF_R10 LOONGARCH64_EF_R10 >>> +#define EF_R11 LOONGARCH64_EF_R11 >>> +#define EF_R12 LOONGARCH64_EF_R12 >>> +#define EF_R13 LOONGARCH64_EF_R13 >>> +#define EF_R14 LOONGARCH64_EF_R14 >>> +#define EF_R15 LOONGARCH64_EF_R15 >>> +#define EF_R16 LOONGARCH64_EF_R16 >>> +#define EF_R17 LOONGARCH64_EF_R17 >>> +#define EF_R18 LOONGARCH64_EF_R18 >>> +#define EF_R19 LOONGARCH64_EF_R19 >>> +#define EF_R20 LOONGARCH64_EF_R20 >>> +#define EF_R21 LOONGARCH64_EF_R21 >>> +#define EF_R22 LOONGARCH64_EF_R22 >>> +#define EF_R23 LOONGARCH64_EF_R23 >>> +#define EF_R24 LOONGARCH64_EF_R24 >>> +#define EF_R25 LOONGARCH64_EF_R25 >>> +#define EF_R26 LOONGARCH64_EF_R26 >>> +#define EF_R27 LOONGARCH64_EF_R27 >>> +#define EF_R28 LOONGARCH64_EF_R28 >>> diff --git a/arch/loongarch64/bits/setjmp.h >>> b/arch/loongarch64/bits/setjmp.h >>> new file mode 100644 >>> index 00000000..f4a7f8a3 >>> --- /dev/null >>> +++ b/arch/loongarch64/bits/setjmp.h >>> @@ -0,0 +1 @@ >>> +typedef unsigned long long __jmp_buf[22]; >>> diff --git a/arch/loongarch64/bits/signal.h >>> b/arch/loongarch64/bits/signal.h >>> new file mode 100644 >>> index 00000000..4db790e7 >>> --- /dev/null >>> +++ b/arch/loongarch64/bits/signal.h >>> @@ -0,0 +1,80 @@ >>> +#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \ >>> + || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || >>> defined(_BSD_SOURCE) >>> + >>> +#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || >>> defined(_BSD_SOURCE) >>> +#define MINSIGSTKSZ 4096 >>> +#define SIGSTKSZ 16384 >>> +#endif >>> + >>> +typedef unsigned long greg_t, gregset_t[32]; >>> + >>> +typedef struct sigcontext { >>> + unsigned long pc; >>> + gregset_t gregs; >>> + unsigned int flags; >>> + unsigned long extcontext[]; >>> +} mcontext_t; >>> + >>> +struct sigaltstack { >>> + void *ss_sp; >>> + int ss_flags; >>> + size_t ss_size; >>> +}; >>> + >>> +typedef struct __ucontext >>> +{ >>> + unsigned long uc_flags; >>> + struct __ucontext *uc_link; >>> + stack_t uc_stack; >>> + sigset_t uc_sigmask; >>> + long __uc_pad; >>> + mcontext_t uc_mcontext; >>> +} ucontext_t; >>> + >>> +#define SA_NOCLDSTOP 1 >>> +#define SA_NOCLDWAIT 2 >>> +#define SA_SIGINFO 4 >>> +#define SA_ONSTACK 0x08000000 >>> +#define SA_RESTART 0x10000000 >>> +#define SA_NODEFER 0x40000000 >>> +#define SA_RESETHAND 0x80000000 >>> +#define SA_RESTORER 0x04000000 >>> + >>> +#endif >>> + >>> +#define SIGHUP 1 >>> +#define SIGINT 2 >>> +#define SIGQUIT 3 >>> +#define SIGILL 4 >>> +#define SIGTRAP 5 >>> +#define SIGABRT 6 >>> +#define SIGIOT SIGABRT >>> +#define SIGBUS 7 >>> +#define SIGFPE 8 >>> +#define SIGKILL 9 >>> +#define SIGUSR1 10 >>> +#define SIGSEGV 11 >>> +#define SIGUSR2 12 >>> +#define SIGPIPE 13 >>> +#define SIGALRM 14 >>> +#define SIGTERM 15 >>> +#define SIGSTKFLT 16 >>> +#define SIGCHLD 17 >>> +#define SIGCONT 18 >>> +#define SIGSTOP 19 >>> +#define SIGTSTP 20 >>> +#define SIGTTIN 21 >>> +#define SIGTTOU 22 >>> +#define SIGURG 23 >>> +#define SIGXCPU 24 >>> +#define SIGXFSZ 25 >>> +#define SIGVTALRM 26 >>> +#define SIGPROF 27 >>> +#define SIGWINCH 28 >>> +#define SIGIO 29 >>> +#define SIGPOLL SIGIO >>> +#define SIGPWR 30 >>> +#define SIGSYS 31 >>> +#define SIGUNUSED SIGSYS >>> + >>> +#define _NSIG 65 >>> diff --git a/arch/loongarch64/bits/stat.h >>> b/arch/loongarch64/bits/stat.h >>> new file mode 100644 >>> index 00000000..b7f4221b >>> --- /dev/null >>> +++ b/arch/loongarch64/bits/stat.h >>> @@ -0,0 +1,18 @@ >>> +struct stat { >>> + dev_t st_dev; >>> + ino_t st_ino; >>> + mode_t st_mode; >>> + nlink_t st_nlink; >>> + uid_t st_uid; >>> + gid_t st_gid; >>> + dev_t st_rdev; >>> + unsigned long __pad; >>> + off_t st_size; >>> + blksize_t st_blksize; >>> + int __pad2; >>> + blkcnt_t st_blocks; >>> + struct timespec st_atim; >>> + struct timespec st_mtim; >>> + struct timespec st_ctim; >>> + unsigned __unused[2]; >>> +}; >>> diff --git a/arch/loongarch64/bits/stdint.h >>> b/arch/loongarch64/bits/stdint.h >>> new file mode 100644 >>> index 00000000..1bb147f2 >>> --- /dev/null >>> +++ b/arch/loongarch64/bits/stdint.h >>> @@ -0,0 +1,20 @@ >>> +typedef int32_t int_fast16_t; >>> +typedef int32_t int_fast32_t; >>> +typedef uint32_t uint_fast16_t; >>> +typedef uint32_t uint_fast32_t; >>> + >>> +#define INT_FAST16_MIN INT32_MIN >>> +#define INT_FAST32_MIN INT32_MIN >>> + >>> +#define INT_FAST16_MAX INT32_MAX >>> +#define INT_FAST32_MAX INT32_MAX >>> + >>> +#define UINT_FAST16_MAX UINT32_MAX >>> +#define UINT_FAST32_MAX UINT32_MAX >>> + >>> +#define INTPTR_MIN INT64_MIN >>> +#define INTPTR_MAX INT64_MAX >>> +#define UINTPTR_MAX UINT64_MAX >>> +#define PTRDIFF_MIN INT64_MIN >>> +#define PTRDIFF_MAX INT64_MAX >>> +#define SIZE_MAX UINT64_MAX >>> diff --git a/arch/loongarch64/bits/syscall.h.in >>> b/arch/loongarch64/bits/syscall.h.in >>> new file mode 100644 >>> index 00000000..689ff36b >>> --- /dev/null >>> +++ b/arch/loongarch64/bits/syscall.h.in >>> @@ -0,0 +1,303 @@ >>> +#define __NR_io_setup 0 >>> +#define __NR_io_destroy 1 >>> +#define __NR_io_submit 2 >>> +#define __NR_io_cancel 3 >>> +#define __NR_io_getevents 4 >>> +#define __NR_setxattr 5 >>> +#define __NR_lsetxattr 6 >>> +#define __NR_fsetxattr 7 >>> +#define __NR_getxattr 8 >>> +#define __NR_lgetxattr 9 >>> +#define __NR_fgetxattr 10 >>> +#define __NR_listxattr 11 >>> +#define __NR_llistxattr 12 >>> +#define __NR_flistxattr 13 >>> +#define __NR_removexattr 14 >>> +#define __NR_lremovexattr 15 >>> +#define __NR_fremovexattr 16 >>> +#define __NR_getcwd 17 >>> +#define __NR_lookup_dcookie 18 >>> +#define __NR_eventfd2 19 >>> +#define __NR_epoll_create1 20 >>> +#define __NR_epoll_ctl 21 >>> +#define __NR_epoll_pwait 22 >>> +#define __NR_dup 23 >>> +#define __NR_dup3 24 >>> +#define __NR3264_fcntl 25 >>> +#define __NR_inotify_init1 26 >>> +#define __NR_inotify_add_watch 27 >>> +#define __NR_inotify_rm_watch 28 >>> +#define __NR_ioctl 29 >>> +#define __NR_ioprio_set 30 >>> +#define __NR_ioprio_get 31 >>> +#define __NR_flock 32 >>> +#define __NR_mknodat 33 >>> +#define __NR_mkdirat 34 >>> +#define __NR_unlinkat 35 >>> +#define __NR_symlinkat 36 >>> +#define __NR_linkat 37 >>> +#define __NR_umount2 39 >>> +#define __NR_mount 40 >>> +#define __NR_pivot_root 41 >>> +#define __NR_nfsservctl 42 >>> +#define __NR3264_statfs 43 >>> +#define __NR3264_fstatfs 44 >>> +#define __NR3264_truncate 45 >>> +#define __NR3264_ftruncate 46 >>> +#define __NR_fallocate 47 >>> +#define __NR_faccessat 48 >>> +#define __NR_chdir 49 >>> +#define __NR_fchdir 50 >>> +#define __NR_chroot 51 >>> +#define __NR_fchmod 52 >>> +#define __NR_fchmodat 53 >>> +#define __NR_fchownat 54 >>> +#define __NR_fchown 55 >>> +#define __NR_openat 56 >>> +#define __NR_close 57 >>> +#define __NR_vhangup 58 >>> +#define __NR_pipe2 59 >>> +#define __NR_quotactl 60 >>> +#define __NR_getdents64 61 >>> +#define __NR3264_lseek 62 >>> +#define __NR_read 63 >>> +#define __NR_write 64 >>> +#define __NR_readv 65 >>> +#define __NR_writev 66 >>> +#define __NR_pread64 67 >>> +#define __NR_pwrite64 68 >>> +#define __NR_preadv 69 >>> +#define __NR_pwritev 70 >>> +#define __NR3264_sendfile 71 >>> +#define __NR_pselect6 72 >>> +#define __NR_ppoll 73 >>> +#define __NR_signalfd4 74 >>> +#define __NR_vmsplice 75 >>> +#define __NR_splice 76 >>> +#define __NR_tee 77 >>> +#define __NR_readlinkat 78 >>> +#define __NR_sync 81 >>> +#define __NR_fsync 82 >>> +#define __NR_fdatasync 83 >>> +#define __NR_sync_file_range 84 >>> +#define __NR_timerfd_create 85 >>> +#define __NR_timerfd_settime 86 >>> +#define __NR_timerfd_gettime 87 >>> +#define __NR_utimensat 88 >>> +#define __NR_acct 89 >>> +#define __NR_capget 90 >>> +#define __NR_capset 91 >>> +#define __NR_personality 92 >>> +#define __NR_exit 93 >>> +#define __NR_exit_group 94 >>> +#define __NR_waitid 95 >>> +#define __NR_set_tid_address 96 >>> +#define __NR_unshare 97 >>> +#define __NR_futex 98 >>> +#define __NR_set_robust_list 99 >>> +#define __NR_get_robust_list 100 >>> +#define __NR_nanosleep 101 >>> +#define __NR_getitimer 102 >>> +#define __NR_setitimer 103 >>> +#define __NR_kexec_load 104 >>> +#define __NR_init_module 105 >>> +#define __NR_delete_module 106 >>> +#define __NR_timer_create 107 >>> +#define __NR_timer_gettime 108 >>> +#define __NR_timer_getoverrun 109 >>> +#define __NR_timer_settime 110 >>> +#define __NR_timer_delete 111 >>> +#define __NR_clock_settime 112 >>> +#define __NR_clock_gettime 113 >>> +#define __NR_clock_getres 114 >>> +#define __NR_clock_nanosleep 115 >>> +#define __NR_syslog 116 >>> +#define __NR_ptrace 117 >>> +#define __NR_sched_setparam 118 >>> +#define __NR_sched_setscheduler 119 >>> +#define __NR_sched_getscheduler 120 >>> +#define __NR_sched_getparam 121 >>> +#define __NR_sched_setaffinity 122 >>> +#define __NR_sched_getaffinity 123 >>> +#define __NR_sched_yield 124 >>> +#define __NR_sched_get_priority_max 125 >>> +#define __NR_sched_get_priority_min 126 >>> +#define __NR_sched_rr_get_interval 127 >>> +#define __NR_restart_syscall 128 >>> +#define __NR_kill 129 >>> +#define __NR_tkill 130 >>> +#define __NR_tgkill 131 >>> +#define __NR_sigaltstack 132 >>> +#define __NR_rt_sigsuspend 133 >>> +#define __NR_rt_sigaction 134 >>> +#define __NR_rt_sigprocmask 135 >>> +#define __NR_rt_sigpending 136 >>> +#define __NR_rt_sigtimedwait 137 >>> +#define __NR_rt_sigqueueinfo 138 >>> +#define __NR_rt_sigreturn 139 >>> +#define __NR_setpriority 140 >>> +#define __NR_getpriority 141 >>> +#define __NR_reboot 142 >>> +#define __NR_setregid 143 >>> +#define __NR_setgid 144 >>> +#define __NR_setreuid 145 >>> +#define __NR_setuid 146 >>> +#define __NR_setresuid 147 >>> +#define __NR_getresuid 148 >>> +#define __NR_setresgid 149 >>> +#define __NR_getresgid 150 >>> +#define __NR_setfsuid 151 >>> +#define __NR_setfsgid 152 >>> +#define __NR_times 153 >>> +#define __NR_setpgid 154 >>> +#define __NR_getpgid 155 >>> +#define __NR_getsid 156 >>> +#define __NR_setsid 157 >>> +#define __NR_getgroups 158 >>> +#define __NR_setgroups 159 >>> +#define __NR_uname 160 >>> +#define __NR_sethostname 161 >>> +#define __NR_setdomainname 162 >>> +#define __NR_getrlimit 163 >>> +#define __NR_setrlimit 164 >>> +#define __NR_getrusage 165 >>> +#define __NR_umask 166 >>> +#define __NR_prctl 167 >>> +#define __NR_getcpu 168 >>> +#define __NR_gettimeofday 169 >>> +#define __NR_settimeofday 170 >>> +#define __NR_adjtimex 171 >>> +#define __NR_getpid 172 >>> +#define __NR_getppid 173 >>> +#define __NR_getuid 174 >>> +#define __NR_geteuid 175 >>> +#define __NR_getgid 176 >>> +#define __NR_getegid 177 >>> +#define __NR_gettid 178 >>> +#define __NR_sysinfo 179 >>> +#define __NR_mq_open 180 >>> +#define __NR_mq_unlink 181 >>> +#define __NR_mq_timedsend 182 >>> +#define __NR_mq_timedreceive 183 >>> +#define __NR_mq_notify 184 >>> +#define __NR_mq_getsetattr 185 >>> +#define __NR_msgget 186 >>> +#define __NR_msgctl 187 >>> +#define __NR_msgrcv 188 >>> +#define __NR_msgsnd 189 >>> +#define __NR_semget 190 >>> +#define __NR_semctl 191 >>> +#define __NR_semtimedop 192 >>> +#define __NR_semop 193 >>> +#define __NR_shmget 194 >>> +#define __NR_shmctl 195 >>> +#define __NR_shmat 196 >>> +#define __NR_shmdt 197 >>> +#define __NR_socket 198 >>> +#define __NR_socketpair 199 >>> +#define __NR_bind 200 >>> +#define __NR_listen 201 >>> +#define __NR_accept 202 >>> +#define __NR_connect 203 >>> +#define __NR_getsockname 204 >>> +#define __NR_getpeername 205 >>> +#define __NR_sendto 206 >>> +#define __NR_recvfrom 207 >>> +#define __NR_setsockopt 208 >>> +#define __NR_getsockopt 209 >>> +#define __NR_shutdown 210 >>> +#define __NR_sendmsg 211 >>> +#define __NR_recvmsg 212 >>> +#define __NR_readahead 213 >>> +#define __NR_brk 214 >>> +#define __NR_munmap 215 >>> +#define __NR_mremap 216 >>> +#define __NR_add_key 217 >>> +#define __NR_request_key 218 >>> +#define __NR_keyctl 219 >>> +#define __NR_clone 220 >>> +#define __NR_execve 221 >>> +#define __NR3264_mmap 222 >>> +#define __NR3264_fadvise64 223 >>> +#define __NR_swapon 224 >>> +#define __NR_swapoff 225 >>> +#define __NR_mprotect 226 >>> +#define __NR_msync 227 >>> +#define __NR_mlock 228 >>> +#define __NR_munlock 229 >>> +#define __NR_mlockall 230 >>> +#define __NR_munlockall 231 >>> +#define __NR_mincore 232 >>> +#define __NR_madvise 233 >>> +#define __NR_remap_file_pages 234 >>> +#define __NR_mbind 235 >>> +#define __NR_get_mempolicy 236 >>> +#define __NR_set_mempolicy 237 >>> +#define __NR_migrate_pages 238 >>> +#define __NR_move_pages 239 >>> +#define __NR_rt_tgsigqueueinfo 240 >>> +#define __NR_perf_event_open 241 >>> +#define __NR_accept4 242 >>> +#define __NR_recvmmsg 243 >>> +#define __NR_arch_specific_syscall 244 >>> +#define __NR_wait4 260 >>> +#define __NR_prlimit64 261 >>> +#define __NR_fanotify_init 262 >>> +#define __NR_fanotify_mark 263 >>> +#define __NR_name_to_handle_at 264 >>> +#define __NR_open_by_handle_at 265 >>> +#define __NR_clock_adjtime 266 >>> +#define __NR_syncfs 267 >>> +#define __NR_setns 268 >>> +#define __NR_sendmmsg 269 >>> +#define __NR_process_vm_readv 270 >>> +#define __NR_process_vm_writev 271 >>> +#define __NR_kcmp 272 >>> +#define __NR_finit_module 273 >>> +#define __NR_sched_setattr 274 >>> +#define __NR_sched_getattr 275 >>> +#define __NR_renameat2 276 >>> +#define __NR_seccomp 277 >>> +#define __NR_getrandom 278 >>> +#define __NR_memfd_create 279 >>> +#define __NR_bpf 280 >>> +#define __NR_execveat 281 >>> +#define __NR_userfaultfd 282 >>> +#define __NR_membarrier 283 >>> +#define __NR_mlock2 284 >>> +#define __NR_copy_file_range 285 >>> +#define __NR_preadv2 286 >>> +#define __NR_pwritev2 287 >>> +#define __NR_pkey_mprotect 288 >>> +#define __NR_pkey_alloc 289 >>> +#define __NR_pkey_free 290 >>> +#define __NR_statx 291 >>> +#define __NR_io_pgetevents 292 >>> +#define __NR_rseq 293 >>> +#define __NR_kexec_file_load 294 >>> +#define __NR_pidfd_send_signal 424 >>> +#define __NR_io_uring_setup 425 >>> +#define __NR_io_uring_enter 426 >>> +#define __NR_io_uring_register 427 >>> +#define __NR_open_tree 428 >>> +#define __NR_move_mount 429 >>> +#define __NR_fsopen 430 >>> +#define __NR_fsconfig 431 >>> +#define __NR_fsmount 432 >>> +#define __NR_fspick 433 >>> +#define __NR_pidfd_open 434 >>> +#define __NR_clone3 435 >>> +#define __NR_close_range 436 >>> +#define __NR_openat2 437 >>> +#define __NR_pidfd_getfd 438 >>> +#define __NR_faccessat2 439 >>> +#define __NR_process_madvise 440 >>> +#define __NR_fcntl __NR3264_fcntl >>> +#define __NR_statfs __NR3264_statfs >>> +#define __NR_fstatfs __NR3264_fstatfs >>> +#define __NR_truncate __NR3264_truncate >>> +#define __NR_ftruncate __NR3264_ftruncate >>> +#define __NR_lseek __NR3264_lseek >>> +#define __NR_sendfile __NR3264_sendfile >>> +#define __NR_mmap __NR3264_mmap >>> +#define __NR_fadvise64 __NR3264_fadvise64 >>> diff --git a/arch/loongarch64/bits/user.h >>> b/arch/loongarch64/bits/user.h >>> new file mode 100644 >>> index 00000000..4d4cd534 >>> --- /dev/null >>> +++ b/arch/loongarch64/bits/user.h >>> @@ -0,0 +1,5 @@ >>> +#define ELF_NGREG 45 >>> +#define ELF_NFPREG 33 >>> + >>> +typedef unsigned long elf_greg_t, elf_gregset_t[ELF_NGREG]; >>> +typedef double elf_fpreg_t, elf_fpregset_t[ELF_NFPREG]; >>> diff --git a/arch/loongarch64/crt_arch.h b/arch/loongarch64/crt_arch.h >>> new file mode 100644 >>> index 00000000..c806a0bf >>> --- /dev/null >>> +++ b/arch/loongarch64/crt_arch.h >>> @@ -0,0 +1,14 @@ >>> +__asm__( >>> +".text \n" >>> +".global " START "\n" >>> +".type " START ", @function\n" >>> +START ":\n" >>> +" add.w $fp, $r0,$r0\n" >>> +" or $a0, $sp, $zero\n" >>> +".weak _DYNAMIC\n" >>> +".hidden _DYNAMIC\n" >>> +" la.local $a1, _DYNAMIC\n" >>> +" addi.w $t7, $r0, -16\n" >>> +" and $sp, $sp, $t7\n" >>> +" b " START "_c\n" >>> +); >>> diff --git a/arch/loongarch64/pthread_arch.h >>> b/arch/loongarch64/pthread_arch.h >>> new file mode 100644 >>> index 00000000..95ee4c7a >>> --- /dev/null >>> +++ b/arch/loongarch64/pthread_arch.h >>> @@ -0,0 +1,13 @@ >>> +static inline uintptr_t __get_tp() >>> +{ >>> + register uintptr_t tp __asm__("tp"); >>> + __asm__ ("" : "=r" (tp) ); >>> + return tp; >>> +} >>> + >>> +#define TLS_ABOVE_TP >>> +#define GAP_ABOVE_TP 0 >>> + >>> +#define DTP_OFFSET 0 >>> + >>> +#define MC_PC pc >>> diff --git a/arch/loongarch64/reloc.h b/arch/loongarch64/reloc.h >>> new file mode 100644 >>> index 00000000..2f759a34 >>> --- /dev/null >>> +++ b/arch/loongarch64/reloc.h >>> @@ -0,0 +1,27 @@ >>> +#ifdef __loongarch64_soft_float >>> +#define FP_SUFFIX "-sf" >>> +#else >>> +#define FP_SUFFIX "" >>> +#endif >>> + >>> +#define LDSO_ARCH "loongarch64" FP_SUFFIX >>> + >>> +#define TPOFF_K (0x0) >>> + >>> +#define REL_PLT R_LARCH_JUMP_SLOT >>> +#define REL_COPY R_LARCH_COPY >>> +#define REL_DTPMOD R_LARCH_TLS_DTPMOD64 >>> +#define REL_DTPOFF R_LARCH_TLS_DTPREL64 >>> +#define REL_TPOFF R_LARCH_TLS_TPREL64 >>> +#define REL_RELATIVE R_LARCH_RELATIVE >>> +#define REL_SYMBOLIC R_LARCH_64 >>> + >>> +#define CRTJMP(pc,sp) __asm__ __volatile__( \ >>> + "move $sp,%1 ; jr %0" : : "r"(pc), "r"(sp) : "memory" ) >>> + >>> +#define GETFUNCSYM(fp, sym, got) __asm__ ( \ >>> + ".hidden " #sym "\n" \ >>> + ".align 8 \n" \ >>> + " la.local $t1, "#sym" \n" \ >>> + " or %0, $t1, $zero \n" \ >>> + : "=r"(*(fp)) : : "memory" ) >>> diff --git a/arch/loongarch64/syscall_arch.h >>> b/arch/loongarch64/syscall_arch.h >>> new file mode 100644 >>> index 00000000..ddd29578 >>> --- /dev/null >>> +++ b/arch/loongarch64/syscall_arch.h >>> @@ -0,0 +1,137 @@ >>> +#define __SYSCALL_LL_E(x) (x) >>> +#define __SYSCALL_LL_O(x) (x) >>> + >>> +#define SYSCALL_CLOBBERLIST \ >>> + "$t0", "$t1", "$t2", "$t3", \ >>> + "$t4", "$t5", "$t6", "$t7", "$t8", "memory" >>> + >>> +static inline long __syscall0(long n) >>> +{ >>> + register long a7 __asm__("$a7") = n; >>> + register long a0 __asm__("$a0"); >>> + >>> + __asm__ __volatile__ ( >>> + "syscall 0" >>> + : "=r"(a0) >>> + : "r"(a7) >>> + : SYSCALL_CLOBBERLIST); >>> + return a0; >>> +} >>> + >>> +static inline long __syscall1(long n, long a) >>> +{ >>> + register long a7 __asm__("$a7") = n; >>> + register long a0 __asm__("$a0") = a; >>> + >>> + __asm__ __volatile__ ( >>> + "syscall 0" >>> + : "+r"(a0) >>> + : "r"(a7) >>> + : SYSCALL_CLOBBERLIST); >>> + return a0; >>> +} >>> + >>> +static inline long __syscall2(long n, long a, long b) >>> +{ >>> + register long a7 __asm__("$a7") = n; >>> + register long a0 __asm__("$a0") = a; >>> + register long a1 __asm__("$a1") = b; >>> + >>> + __asm__ __volatile__ ( >>> + "syscall 0" >>> + : "+r"(a0) >>> + : "r"(a7), "r"(a1) >>> + : SYSCALL_CLOBBERLIST); >>> + return a0; >>> +} >>> + >>> +static inline long __syscall3(long n, long a, long b, long c) >>> +{ >>> + register long a7 __asm__("$a7") = n; >>> + register long a0 __asm__("$a0") = a; >>> + register long a1 __asm__("$a1") = b; >>> + register long a2 __asm__("$a2") = c; >>> + >>> + __asm__ __volatile__ ( >>> + "syscall 0" >>> + : "+r"(a0) >>> + : "r"(a7), "r"(a1), "r"(a2) >>> + : SYSCALL_CLOBBERLIST); >>> + return a0; >>> +} >>> + >>> +static inline long __syscall4(long n, long a, long b, long c, long d) >>> +{ >>> + register long a7 __asm__("$a7") = n; >>> + register long a0 __asm__("$a0") = a; >>> + register long a1 __asm__("$a1") = b; >>> + register long a2 __asm__("$a2") = c; >>> + register long a3 __asm__("$a3") = d; >>> + >>> + __asm__ __volatile__ ( >>> + "syscall 0" >>> + : "+r"(a0) >>> + : "r"(a7), "r"(a1), "r"(a2), "r"(a3) >>> + : SYSCALL_CLOBBERLIST); >>> + return a0; >>> +} >>> + >>> +static inline long __syscall5(long n, long a, long b, long c, long >>> d, long e) >>> +{ >>> + register long a7 __asm__("$a7") = n; >>> + register long a0 __asm__("$a0") = a; >>> + register long a1 __asm__("$a1") = b; >>> + register long a2 __asm__("$a2") = c; >>> + register long a3 __asm__("$a3") = d; >>> + register long a4 __asm__("$a4") = e; >>> + >>> + __asm__ __volatile__ ( >>> + "syscall 0" >>> + : "+r"(a0) >>> + : "r"(a7), "r"(a1), "r"(a2), "r"(a3), "r"(a4) >>> + : SYSCALL_CLOBBERLIST); >>> + return a0; >>> +} >>> + >>> +static inline long __syscall6(long n, long a, long b, long c, long >>> d, long e, long f) >>> +{ >>> + register long a7 __asm__("$a7") = n; >>> + register long a0 __asm__("$a0") = a; >>> + register long a1 __asm__("$a1") = b; >>> + register long a2 __asm__("$a2") = c; >>> + register long a3 __asm__("$a3") = d; >>> + register long a4 __asm__("$a4") = e; >>> + register long a5 __asm__("$a5") = f; >>> + >>> + __asm__ __volatile__ ( >>> + "syscall 0" >>> + : "+r"(a0) >>> + : "r"(a7), "r"(a1), "r"(a2), "r"(a3), "r"(a4), "r"(a5) >>> + : SYSCALL_CLOBBERLIST); >>> + return a0; >>> +} >>> + >>> +static inline long __syscall7(long n, long a, long b, long c, long >>> d, long e, long f, long g) >>> +{ >>> + register long a7 __asm__("$a7") = n; >>> + register long a0 __asm__("$a0") = a; >>> + register long a1 __asm__("$a1") = b; >>> + register long a2 __asm__("$a2") = c; >>> + register long a3 __asm__("$a3") = d; >>> + register long a4 __asm__("$a4") = e; >>> + register long a5 __asm__("$a5") = f; >>> + register long a6 __asm__("$a6") = g; >>> + >>> + __asm__ __volatile__ ( >>> + "syscall 0" >>> + : "+r"(a0) >>> + : "r"(a7), "r"(a1), "r"(a2), "r"(a3), "r"(a4), "r"(a5), >>> "r"(a6) >>> + : SYSCALL_CLOBBERLIST); >>> + return a0; >>> +} >>> + >>> +#define VDSO_USEFUL >>> +#define VDSO_CGT_SYM "__vdso_clock_gettime" >>> +#define VDSO_CGT_VER "LINUX_2.6" >>> + >>> +#define IPC_64 0 >>> diff --git a/configure b/configure >>> index 6f5453f5..aac0c467 100755 >>> --- a/configure >>> +++ b/configure >>> @@ -338,6 +338,7 @@ powerpc*|ppc*) ARCH=powerpc ;; >>> riscv64*) ARCH=riscv64 ;; >>> sh[1-9bel-]*|sh|superh*) ARCH=sh ;; >>> s390x*) ARCH=s390x ;; >>> +loongarch64*) ARCH=loongarch64 ;; >>> unknown) fail "$0: unable to detect target arch; try $0 >>> --target=..." ;; >>> *) fail "$0: unknown or unsupported target \"$target\"" ;; >>> esac >>> diff --git a/crt/loongarch64/crti.s b/crt/loongarch64/crti.s >>> new file mode 100644 >>> index 00000000..96a754d3 >>> --- /dev/null >>> +++ b/crt/loongarch64/crti.s >>> @@ -0,0 +1,15 @@ >>> +.section .init >>> +.global _init >>> +_init: >>> + addi.d $r3,$r3,-16 >>> + st.d $fp,$r3,0 >>> + st.d $ra,$r3,8 >>> + addi.d $fp,$r3,16 >>> + >>> +.section .fini >>> +.global _fini >>> +_fini: >>> + addi.d $r3,$r3,-16 >>> + st.d $fp,$r3,0 >>> + st.d $ra,$r3,8 >>> + addi.d $fp,$r3,16 >>> diff --git a/crt/loongarch64/crtn.s b/crt/loongarch64/crtn.s >>> new file mode 100644 >>> index 00000000..bffb18f4 >>> --- /dev/null >>> +++ b/crt/loongarch64/crtn.s >>> @@ -0,0 +1,12 @@ >>> +.section .init >>> + ld.d $fp,$r3,0 >>> + ld.d $ra,$r3,8 >>> + addi.d $r3,$r3,16 >>> + jirl $r0,$ra,0 >>> + >>> + >>> +.section .fini >>> + ld.d $fp,$r3,0 >>> + ld.d $ra,$r3,8 >>> + addi.d $r3,$r3,16 >>> + jirl $r0,$ra,0 >>> diff --git a/include/elf.h b/include/elf.h >>> index 86e2f0bb..69b01ff4 100644 >>> --- a/include/elf.h >>> +++ b/include/elf.h >>> @@ -697,6 +697,11 @@ typedef struct { >>> #define NT_MIPS_FP_MODE 0x801 >>> #define NT_MIPS_MSA 0x802 >>> #define NT_VERSION 1 >>> +#define NT_LOONGARCH_CPUCFG 0xa00 >>> +#define NT_LOONGARCH_CSR 0xa01 >>> +#define NT_LOONGARCH_LSX 0xa02 >>> +#define NT_LOONGARCH_LASX 0xa03 >>> +#define NT_LOONGARCH_LBT 0xa04 >>> @@ -3288,6 +3293,67 @@ enum >>> #define R_RISCV_SET32 56 >>> #define R_RISCV_32_PCREL 57 >>> +/* LoongISA ELF Flags */ >>> +#define EM_LOONGARCH 258 >>> + >>> +#define EF_LARCH_ABI 0x0003 >>> +#define EF_LARCH_ABI_LP64 0x0003 >>> +#define EF_LARCH_ABI_LP32 0x0001 >>> + >>> +/* Loongarch specific dynamic relocations. */ >>> +#define R_LARCH_NONE 0 >>> +#define R_LARCH_32 1 >>> +#define R_LARCH_64 2 >>> +#define R_LARCH_RELATIVE 3 >>> +#define R_LARCH_COPY 4 >>> +#define R_LARCH_JUMP_SLOT 5 >>> +#define R_LARCH_TLS_DTPMOD32 6 >>> +#define R_LARCH_TLS_DTPMOD64 7 >>> +#define R_LARCH_TLS_DTPREL32 8 >>> +#define R_LARCH_TLS_DTPREL64 9 >>> +#define R_LARCH_TLS_TPREL32 10 >>> +#define R_LARCH_TLS_TPREL64 11 >>> +#define R_LARCH_IRELATIVE 12 >>> +#define R_LARCH_MARK_LA 20 >>> +#define R_LARCH_MARK_PCREL 21 >>> +#define R_LARCH_SOP_PUSH_PCREL 22 >>> +#define R_LARCH_SOP_PUSH_ABSOLUTE 23 >>> +#define R_LARCH_SOP_PUSH_DUP 24 >>> +#define R_LARCH_SOP_PUSH_GPREL 25 >>> +#define R_LARCH_SOP_PUSH_TLS_TPREL 26 >>> +#define R_LARCH_SOP_PUSH_TLS_GOT 27 >>> +#define R_LARCH_SOP_PUSH_TLS_GD 28 >>> +#define R_LARCH_SOP_PUSH_PLT_PCREL 29 >>> +#define R_LARCH_SOP_ASSERT 30 >>> +#define R_LARCH_SOP_NOT 31 >>> +#define R_LARCH_SOP_SUB 32 >>> +#define R_LARCH_SOP_SL 33 >>> +#define R_LARCH_SOP_SR 34 >>> +#define R_LARCH_SOP_ADD 35 >>> +#define R_LARCH_SOP_AND 36 >>> +#define R_LARCH_SOP_IF_ELSE 37 >>> +#define R_LARCH_SOP_POP_32_S_10_5 38 >>> +#define R_LARCH_SOP_POP_32_U_10_12 39 >>> +#define R_LARCH_SOP_POP_32_S_10_12 40 >>> +#define R_LARCH_SOP_POP_32_S_10_16 41 >>> +#define R_LARCH_SOP_POP_32_S_10_16_S2 42 >>> +#define R_LARCH_SOP_POP_32_S_5_20 43 >>> +#define R_LARCH_SOP_POP_32_S_0_5_10_16_S2 44 >>> +#define R_LARCH_SOP_POP_32_S_0_10_10_16_S2 45 >>> +#define R_LARCH_SOP_POP_32_U 46 >>> +#define R_LARCH_ADD8 47 >>> +#define R_LARCH_ADD16 48 >>> +#define R_LARCH_ADD24 49 >>> +#define R_LARCH_ADD32 50 >>> +#define R_LARCH_ADD64 51 >>> +#define R_LARCH_SUB8 52 >>> +#define R_LARCH_SUB16 53 >>> +#define R_LARCH_SUB24 54 >>> +#define R_LARCH_SUB32 55 >>> +#define R_LARCH_SUB64 56 >>> +#define R_LARCH_GNU_VTINHERIT 57 >>> +#define R_LARCH_GNU_VTENTRY 58 >>> + >>> #ifdef __cplusplus >>> } >>> #endif >>> diff --git a/src/fenv/loongarch64/fenv.S b/src/fenv/loongarch64/fenv.S >>> new file mode 100644 >>> index 00000000..049234be >>> --- /dev/null >>> +++ b/src/fenv/loongarch64/fenv.S >>> @@ -0,0 +1,72 @@ >>> +#ifndef __loongarch_soft_float >>> + >>> +.global feclearexcept >>> +.type feclearexcept,@function >>> +feclearexcept: >>> + li.w $a1, 0x1f0000 //flags in 16-20 bit of fcsr0. >>> + and $a0, $a0, $a1 >>> + movfcsr2gr $a1, $r0 >>> + or $a1, $a1, $a0 >>> + xor $a1, $a1, $a0 >>> + movgr2fcsr $r0, $a1 >>> + li.w $v0, 0 >>> + jirl $zero, $ra, 0 >>> + >>> +.global feraiseexcept >>> +.type feraiseexcept,@function >>> +feraiseexcept: >>> + li.w $a1, 0x1f0000 >>> + and $a0, $a0, $a1 >>> + movfcsr2gr $a1, $r0 >>> + or $a1, $a1, $a0 >>> + movgr2fcsr $r0, $a1 >>> + li.w $v0, 0 >>> + jirl $zero, $ra, 0 >>> + >>> +.global fetestexcept >>> +.type fetestexcept,@function >>> +fetestexcept: >>> + li.w $a1, 0x1f0000 >>> + and $a0, $a0, $a1 >>> + movfcsr2gr $a1, $r0 >>> + and $v0, $a1, $a0 >>> + jirl $zero, $ra, 0 >>> + >>> +.global fegetround >>> +.type fegetround,@function >>> +fegetround: >>> + movfcsr2gr $v0, $r0 >>> + andi $v0, $v0, 0x300 //fcsr0.RM >>> + jirl $zero, $ra, 0 >>> + >>> +.global __fesetround >>> +.hidden __fesetround >>> +.type __fesetround,@function >>> +__fesetround: >>> + movfcsr2gr $a1, $r0 >>> + li.w $a2, -769 //0xfffffcff >>> + and $a1, $a1, $a2 >>> + or $a1, $a1, $a0 >>> + movgr2fcsr $r0, $a1 >>> + li.w $v0, 0 >>> + jirl $zero, $ra, 0 >>> + >>> +.global fegetenv >>> +.type fegetenv,@function >>> +fegetenv: >>> + movfcsr2gr $a1, $r0 >>> + st.w $a1, $a0, 0 >>> + li.w $v0, 0 >>> + jirl $zero, $ra, 0 >>> + >>> +.global fesetenv >>> +.type fesetenv,@function >>> +fesetenv: >>> + addi.d $a1, $a0, 1 >>> + beq $a1, $r0, 1f >>> + ld.w $a1, $a0, 0 >>> +1: movgr2fcsr $r0, $a1 >>> + li.w $v0, 0 >>> + jirl $zero, $ra, 0 >>> + >>> +#endif >>> diff --git a/src/ldso/loongarch64/dlsym.s >>> b/src/ldso/loongarch64/dlsym.s >>> new file mode 100644 >>> index 00000000..5f51ed85 >>> --- /dev/null >>> +++ b/src/ldso/loongarch64/dlsym.s >>> @@ -0,0 +1,7 @@ >>> +.global dlsym >>> +.hidden __dlsym >>> +.type dlsym,@function >>> +dlsym: >>> + move $a2, $ra >>> + la.global $r16, __dlsym >>> + jirl $r0, $r16, 0 >>> diff --git a/src/setjmp/loongarch64/longjmp.S >>> b/src/setjmp/loongarch64/longjmp.S >>> new file mode 100644 >>> index 00000000..41d897ed >>> --- /dev/null >>> +++ b/src/setjmp/loongarch64/longjmp.S >>> @@ -0,0 +1,37 @@ >>> +.global _longjmp >>> +.global longjmp >>> +.type _longjmp,@function >>> +.type longjmp,@function >>> +_longjmp: >>> +longjmp: >>> + add.d $t5, $a0, $zero >>> + add.d $v0, $a1, $zero >>> + >>> + bne $v0, $zero, 1f >>> + addi.d $v0, $v0, 1 >>> + >>> +1: >>> + ld.d $ra, $t5, 0 >>> + ld.d $sp, $t5, 8 >>> + ld.d $r21,$t5, 16 >>> + ld.d $fp, $t5, 24 >>> + ld.d $s0, $t5, 32 >>> + ld.d $s1, $t5, 40 >>> + ld.d $s2, $t5, 48 >>> + ld.d $s3, $t5, 56 >>> + ld.d $s4, $t5, 64 >>> + ld.d $s5, $t5, 72 >>> + ld.d $s6, $t5, 80 >>> + ld.d $s7, $t5, 88 >>> + ld.d $s8, $t5, 96 >>> +#ifndef __loongarch64_soft_float >>> + fld.d $fs0, $t5, 104 >>> + fld.d $fs1, $t5, 112 >>> + fld.d $fs2, $t5, 120 >>> + fld.d $fs3, $t5, 128 >>> + fld.d $fs4, $t5, 136 >>> + fld.d $fs5, $t5, 144 >>> + fld.d $fs6, $t5, 152 >>> + fld.d $fs7, $t5, 160 >>> +#endif >>> + jirl $zero, $ra, 0 >>> diff --git a/src/setjmp/loongarch64/setjmp.S >>> b/src/setjmp/loongarch64/setjmp.S >>> new file mode 100644 >>> index 00000000..8dca3cb8 >>> --- /dev/null >>> +++ b/src/setjmp/loongarch64/setjmp.S >>> @@ -0,0 +1,34 @@ >>> +.global __setjmp >>> +.global _setjmp >>> +.global setjmp >>> +.type __setjmp,@function >>> +.type _setjmp,@function >>> +.type setjmp,@function >>> +__setjmp: >>> +_setjmp: >>> +setjmp: >>> + st.d $ra, $a0, 0 >>> + st.d $sp, $a0, 8 >>> + st.d $r21,$a0, 16 >>> + st.d $fp, $a0, 24 >>> + st.d $s0, $a0, 32 >>> + st.d $s1, $a0, 40 >>> + st.d $s2, $a0, 48 >>> + st.d $s3, $a0, 56 >>> + st.d $s4, $a0, 64 >>> + st.d $s5, $a0, 72 >>> + st.d $s6, $a0, 80 >>> + st.d $s7, $a0, 88 >>> + st.d $s8, $a0, 96 >>> +#ifndef __loongarch64_soft_float >>> + fst.d $fs0, $a0, 104 >>> + fst.d $fs1, $a0, 112 >>> + fst.d $fs2, $a0, 120 >>> + fst.d $fs3, $a0, 128 >>> + fst.d $fs4, $a0, 136 >>> + fst.d $fs5, $a0, 144 >>> + fst.d $fs6, $a0, 152 >>> + fst.d $fs7, $a0, 160 >>> +#endif >>> + xor $v0, $v0, $v0 >>> + jirl $zero, $ra, 0 >>> diff --git a/src/signal/loongarch64/restore.s >>> b/src/signal/loongarch64/restore.s >>> new file mode 100644 >>> index 00000000..9bf015a0 >>> --- /dev/null >>> +++ b/src/signal/loongarch64/restore.s >>> @@ -0,0 +1,10 @@ >>> +.global __restore_rt >>> +.global __restore >>> +.hidden __restore_rt >>> +.hidden __restore >>> +.type __restore_rt,@function >>> +.type __restore,@function >>> +__restore_rt: >>> +__restore: >>> + ori $a7, $zero, 139 >>> + syscall 0 >>> diff --git a/src/signal/loongarch64/sigsetjmp.s >>> b/src/signal/loongarch64/sigsetjmp.s >>> new file mode 100644 >>> index 00000000..d53f334a >>> --- /dev/null >>> +++ b/src/signal/loongarch64/sigsetjmp.s >>> @@ -0,0 +1,29 @@ >>> +.global sigsetjmp >>> +.global __sigsetjmp >>> +.type sigsetjmp,@function >>> +.type __sigsetjmp,@function >>> +sigsetjmp: >>> +__sigsetjmp: >>> + or $t5, $a0, $zero >>> + or $t6, $a1, $zero >>> + >>> + # comparing save mask with 0, if equals to 0 then >>> + # sigsetjmp is equal to setjmp. >>> + beq $t6, $zero, 1f >>> + st.d $ra, $t5, 168 >>> + >>> + # save base of got so that we can use it later >>> + # once we return from 'longjmp' >>> + la.global $t8, setjmp >>> + jirl $ra, $t8, 0 >>> + >>> + or $v1, $v0, $zero # Return from 'setjmp' or 'longjmp' >>> + ld.d $ra, $t5, 168 # Restore ra of sigsetjmp >>> + or $a0, $t5, $zero >>> + >>> +.hidden __sigsetjmp_tail >>> + la.global $t8, __sigsetjmp_tail >>> + jirl $zero, $t8, 0 >>> +1: >>> + la.global $t8, setjmp >>> + jirl $zero, $t8, 0 >>> diff --git a/src/thread/loongarch64/__set_thread_area.s >>> b/src/thread/loongarch64/__set_thread_area.s >>> new file mode 100644 >>> index 00000000..421cd381 >>> --- /dev/null >>> +++ b/src/thread/loongarch64/__set_thread_area.s >>> @@ -0,0 +1,7 @@ >>> +.global __set_thread_area >>> +.hidden __set_thread_area >>> +.type __set_thread_area,@function >>> +__set_thread_area: >>> + or $tp, $a0, $zero >>> + ori $a0, $zero, 0 >>> + jirl $zero, $ra, 0 >>> diff --git a/src/thread/loongarch64/__unmapself.s >>> b/src/thread/loongarch64/__unmapself.s >>> new file mode 100644 >>> index 00000000..b77e6d1d >>> --- /dev/null >>> +++ b/src/thread/loongarch64/__unmapself.s >>> @@ -0,0 +1,7 @@ >>> +.global __unmapself >>> +.type __unmapself, @function >>> +__unmapself: >>> + li.d $a7, 215 >>> + syscall 0 # call munmap >>> + li.d $a7, 93 >>> + syscall 0 # call exit >>> diff --git a/src/thread/loongarch64/clone.s >>> b/src/thread/loongarch64/clone.s >>> new file mode 100644 >>> index 00000000..ec920c7b >>> --- /dev/null >>> +++ b/src/thread/loongarch64/clone.s >>> @@ -0,0 +1,47 @@ >>> +#__clone(func, stack, flags, arg, ptid, tls, ctid) >>> +# a0, a1, a2, a3, a4, a5, a6 >>> +# sys_clone3(struct clone_args *cl_args, size_t size) >>> +# a0 a1 >>> + >>> +.global __clone >>> +.hidden __clone >>> +.type __clone,@function >>> +__clone: >>> + # Save function pointer and argument pointer on new thread stack >>> + addi.d $a1, $a1, -16 >>> + st.d $a0, $a1, 0 # save function pointer >>> + st.d $a3, $a1, 8 # save argument pointer >>> + >>> + li.d $t0, ~0x004000ff # mask CSIGNAL and CLONE_DETACHED >>> + and $t1, $a2, $t0 # cl_args.flags >>> + li.d $t0, 0x000000ff # CSIGNAL >>> + and $t2, $a2, $t0 # cl_args.exit_signal >>> + >>> + bstrins.d $sp, $zero, 2, 0 # align stack to 8 bytes >>> + addi.d $sp, $sp, -88 # struct clone_args >>> + st.d $t1, $sp, 0 # flags >>> + st.d $a4, $sp, 8 # pidfd >>> + st.d $a6, $sp, 16 # child_tid >>> + st.d $a4, $sp, 24 # parent_tid >>> + st.d $t2, $sp, 32 # exit_signal >>> + st.d $a1, $sp, 40 # stack >>> + st.d $zero, $sp, 48 # stack_size >>> + st.d $a5, $sp, 56 # tls >>> + st.d $zero, $sp, 64 # set_tid >>> + st.d $zero, $sp, 72 # set_tid_size >>> + st.d $zero, $sp, 80 # cgroup >>> + >>> + move $a0, $sp >>> + li.d $a1, 88 >>> + li.d $a7, 435 # __NR_clone3 >>> + syscall 0 # call clone3 >>> + >>> + beqz $a0, 1f # whether child process >>> + addi.d $sp, $sp, 88 >>> + jirl $zero, $ra, 0 # parent process return >>> +1: >>> + ld.d $t8, $sp, 0 # function pointer >>> + ld.d $a0, $sp, 8 # argument pointer >>> + jirl $ra, $t8, 0 # call the user's function >>> + li.d $a7, 93 >>> + syscall 0 # child process exit >>> diff --git a/src/thread/loongarch64/syscall_cp.s >>> b/src/thread/loongarch64/syscall_cp.s >>> new file mode 100644 >>> index 00000000..3903ed2c >>> --- /dev/null >>> +++ b/src/thread/loongarch64/syscall_cp.s >>> @@ -0,0 +1,29 @@ >>> +.global __cp_begin >>> +.hidden __cp_begin >>> +.global __cp_end >>> +.hidden __cp_end >>> +.global __cp_cancel >>> +.hidden __cp_cancel >>> +.hidden __cancel >>> +.global __syscall_cp_asm >>> +.hidden __syscall_cp_asm >>> +.type __syscall_cp_asm,@function >>> + >>> +__syscall_cp_asm: >>> +__cp_begin: >>> + ld.w $a0, $a0, 0 >>> + bnez $a0, __cp_cancel >>> + or $t8, $a1, $zero # reserve system call number >>> + or $a0, $a2, $zero >>> + or $a1, $a3, $zero >>> + or $a2, $a4, $zero >>> + or $a3, $a5, $zero >>> + or $a4, $a6, $zero >>> + or $a5, $a7, $zero >>> + or $a7, $t8, $zero >>> + syscall 0 >>> +__cp_end: >>> + jirl $zero, $ra, 0 >>> +__cp_cancel: >>> + la.local $t8, __cancel >>> + jirl $zero, $t8, 0 >>> -- >>> 2.34.1 >>> [-- Attachment #2: Type: text/html, Size: 101682 bytes --] ^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2022-07-16 8:13 UTC | newest] Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2022-06-08 3:56 [musl] add loongarch64 port v4 王洪亮 2022-06-14 7:23 ` [musl] " 王洪亮 2022-06-20 9:49 ` 王洪亮 2022-06-23 1:30 ` 王洪亮 2022-06-23 1:59 ` Rich Felker 2022-07-05 12:56 ` 王洪亮 2022-07-16 8:13 ` 王洪亮
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