From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.org/gmane.linux.lib.musl.general/12396 Path: news.gmane.org!.POSTED!not-for-mail From: Po-yi Wang Newsgroups: gmane.linux.lib.musl.general Subject: Re: any one managed to compile and run xz-5.0.8 or xz-5.2.3 ? Date: Wed, 24 Jan 2018 17:37:53 -0800 (PST) Message-ID: References: <20180125002931.GB1627@brightrain.aerifal.cx> Reply-To: musl@lists.openwall.com NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Trace: blaine.gmane.org 1516844173 29737 195.159.176.226 (25 Jan 2018 01:36:13 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 25 Jan 2018 01:36:13 +0000 (UTC) To: musl@lists.openwall.com Original-X-From: musl-return-12412-gllmg-musl=m.gmane.org@lists.openwall.com Thu Jan 25 02:36:09 2018 Return-path: Envelope-to: gllmg-musl@m.gmane.org Original-Received: from mother.openwall.net ([195.42.179.200]) by blaine.gmane.org with smtp (Exim 4.84_2) (envelope-from ) id 1eeWSR-0007A4-I9 for gllmg-musl@m.gmane.org; Thu, 25 Jan 2018 02:36:03 +0100 Original-Received: (qmail 24477 invoked by uid 550); 25 Jan 2018 01:38:05 -0000 Mailing-List: contact musl-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Original-Received: (qmail 24447 invoked from network); 25 Jan 2018 01:38:05 -0000 In-Reply-To: <20180125002931.GB1627@brightrain.aerifal.cx> Xref: news.gmane.org gmane.linux.lib.musl.general:12396 Archived-At: On Wed, 24 Jan 2018, Rich Felker wrote: > On Wed, Jan 24, 2018 at 04:18:59PM -0800, Po-yi Wang wrote: >> hi >> >> any one managed to compile and run xz with musl on ppc target ? >> i've managed to compile and run "xz --version" on i486 and arm >> targets, but not on ppc target. i've tried gcc-3.4.5 and gcc-4.1.2. >> gcc-3.4.5 version simply hangs, while gcc-4.1.2 version seg faults -- >> with seg fault, i can at least use gdb to get some info out. i do >> not know how to use gdb to trace a hanged program. anyway, this is >> the output for gcc-4.1.2 compiled version. (xz-5.0.8): > > Where did you get gcc 3.4.5 or 4.1.2 toolchains for musl ppc? Is any > other software working when compiled with them? If you're not using a > real cross or native musl toolchain but the musl-gcc wrapper, it > probably lacks a lot of stuff it needs to work on ppc. In particular a > ppc toolchain that will be used for dynamic-linking needs to be > configured to always use "secure-plt", and whether static or dynamic, > it needs to be using 64-bit long double. You should have hit an error > configuring musl here if the compiler doesn't match: > > checking whether compiler's long double definition matches float.h... > > Please provide more details. > >> gdb src/xz/xz >> >> GNU gdb (GDB) 7.12.1 >> Copyright (C) 2017 Free Software Foundation, Inc. >> License GPLv3+: GNU GPL version 3 or later >> >> This is free software: you are free to change and redistribute it. >> There is NO WARRANTY, to the extent permitted by law. Type "show copying" >> and "show warranty" for details. >> This GDB was configured as "powerpc-unknown-linux-gnu". >> Type "show configuration" for configuration details. >> For bug reporting instructions, please see: >> . >> Find the GDB manual and other documentation resources online at: >> . >> For help, type "help". >> Type "apropos word" to search for commands related to "word"... >> Reading symbols from src/xz/xz...done. >> (gdb) run --version >> Starting program: /tmp/build/xz-5.0.8/src/xz/xz --version >> >> Program received signal SIGSEGV, Segmentation fault. >> 0x4806fab8 in _dlstart_c (sp=0xbffff4a0, dynv=0x480b2ae4) at >> ldso/dlstart.c:146 >> 146 GETFUNCSYM(&dls2, __dls2, base+dyn[DT_PLTGOT]); >> (gdb) bt >> #0 0x4806fab8 in _dlstart_c (sp=0xbffff4a0, dynv=0x480b2ae4) >> at ldso/dlstart.c:146 >> #1 0x480778ec in _dlstart () from /lib/ld-musl-powerpc-sf.so.1 >> (gdb) quit >> A debugging session is active. >> >> Inferior 1 [process 22188] will be killed. >> >> Quit anyway? (y or n) y > > This is an odd place to crash, and if it's crashing here it's almost > surely crashing for all programs, not just xz, since it hasn't gotten > to the point of looking at the program being run. It could be an issue > with very-outdated binutils doing something funny at link time linking > libc.so. actually other program compiled so far all works: (at least --version works) res/ppc/bash-4.4: ELF 32-bit MSB executable, PowerPC or cisco 4500, version 1 (SYSV), statically linked, stripped res/ppc/dbclient: ELF 32-bit MSB executable, PowerPC or cisco 4500, version 1 (SYSV), statically linked, stripped res/ppc/dropbear: ELF 32-bit MSB executable, PowerPC or cisco 4500, version 1 (SYSV), statically linked, stripped res/ppc/dropbearconvert: ELF 32-bit MSB executable, PowerPC or cisco 4500, version 1 (SYSV), statically linked, stripped res/ppc/dropbearkey: ELF 32-bit MSB executable, PowerPC or cisco 4500, version 1 (SYSV), statically linked, stripped res/ppc/ftp-0.17: ELF 32-bit MSB executable, PowerPC or cisco 4500, version 1 (SYSV), statically linked, stripped res/ppc/make-3.80: ELF 32-bit MSB executable, PowerPC or cisco 4500, version 1 (SYSV), statically linked, stripped res/ppc/make-4.1: ELF 32-bit MSB executable, PowerPC or cisco 4500, version 1 (SYSV), statically linked, stripped res/ppc/msgfmt: ELF 32-bit MSB executable, PowerPC or cisco 4500, version 1 (SYSV), statically linked, stripped res/ppc/msgmerge: ELF 32-bit MSB executable, PowerPC or cisco 4500, version 1 (SYSV), statically linked, stripped res/ppc/ntpserver: ELF 32-bit MSB executable, PowerPC or cisco 4500, version 1 (SYSV), statically linked, stripped res/ppc/patch-2.7.5: ELF 32-bit MSB executable, PowerPC or cisco 4500, version 1 (SYSV), statically linked, stripped res/ppc/scp: ELF 32-bit MSB executable, PowerPC or cisco 4500, version 1 (SYSV), statically linked, stripped res/ppc/tar-1.22: ELF 32-bit MSB executable, PowerPC or cisco 4500, version 1 (SYSV), statically linked, stripped res/ppc/xxd-5.7: ELF 32-bit MSB executable, PowerPC or cisco 4500, version 1 (SYSV), statically linked, stripped res/ppc/xxxd: ELF 32-bit MSB executable, PowerPC or cisco 4500, version 1 (SYSV), statically linked, stripped > > Rich >