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[PATCH] Don't call internal _Unwind_Resume via PLT
- From: "H.J. Lu" <hongjiu dot lu at intel dot com>
- To: GNU C Library <libc-alpha at sourceware dot org>
- Date: Wed, 4 May 2016 10:54:51 -0700
- Subject: [PATCH] Don't call internal _Unwind_Resume via PLT
- Authentication-results: sourceware.org; auth=none
- Reply-to: "H.J. Lu" <hjl dot tools at gmail dot com>
There is no need to call the internal funtion, _Unwind_Resume, which
is defined in unwind-forcedunwind.c, via PLT.
Tested on x86-64. OK for master?
H.J.
---
* sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
(__condvar_cleanup2): Remove JUMPTARGET from _Unwind_Resume
call.
* sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
(__condvar_cleanup1): Likewise.
---
sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S | 2 +-
sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S b/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
index a2adc09..82ffa1a 100644
--- a/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
+++ b/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
@@ -586,7 +586,7 @@ __condvar_cleanup2:
movq FRAME_SIZE+16(%rsp), %r13
movq FRAME_SIZE+24(%rsp), %r12
.LcallUR:
- call JUMPTARGET(_Unwind_Resume)
+ call _Unwind_Resume
hlt
.LENDCODE:
cfi_endproc
diff --git a/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S b/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
index c4d3504..c82f37b 100644
--- a/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
+++ b/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
@@ -518,7 +518,7 @@ __condvar_cleanup1:
8: movq 24(%rsp), %rdi
.LcallUR:
- call JUMPTARGET(_Unwind_Resume)
+ call _Unwind_Resume
hlt
.LENDCODE:
cfi_endproc
--
2.5.5