From: Andre McCurdy <armccurdy@gmail.com>
To: musl@lists.openwall.com
Cc: Andre McCurdy <armccurdy@gmail.com>
Subject: [PATCH] arm: avoid conditional branch to PLT in sigsetjmp.s
Date: Tue, 17 Sep 2019 23:04:05 -0700 [thread overview]
Message-ID: <20190918060405.17630-1-armccurdy@gmail.com> (raw)
The R_ARM_THM_JUMP19 relocation type generated for the original code
when targeting Thumb 2 is not supported by the gold linker:
| .../arm-oe-linux-musleabi/9.2.0/ld: error: conditional branch to PLT in THUMB-2 not supported yet.
| src/signal/arm/sigsetjmp.s:9: error: unexpected opcode while processing relocation R_ARM_THM_JUMP19
---
src/signal/arm/sigsetjmp.s | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/src/signal/arm/sigsetjmp.s b/src/signal/arm/sigsetjmp.s
index 318addba..69ebbf49 100644
--- a/src/signal/arm/sigsetjmp.s
+++ b/src/signal/arm/sigsetjmp.s
@@ -6,9 +6,10 @@
sigsetjmp:
__sigsetjmp:
tst r1,r1
- beq setjmp
+ bne 1f
+ b setjmp
- str lr,[r0,#256]
+1: str lr,[r0,#256]
str r4,[r0,#260+8]
mov r4,r0
--
2.23.0
next reply other threads:[~2019-09-18 6:04 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-18 6:04 Andre McCurdy [this message]
2019-09-18 14:28 ` Khem Raj
2019-09-18 17:52 ` Andre McCurdy
2019-09-18 19:54 ` Rich Felker
2019-11-21 20:54 ` Andre McCurdy
2019-12-07 18:03 ` Rich Felker
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