From: Andreas Schwab Date: Mon, 10 Aug 2009 15:10:11 +0000 (-0700) Subject: Fix check for PI mutex in x86-64 pthread_cond_signal X-Git-Tag: fedora/glibc-2.10.90-14~1^2~5 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ec4922395b05b428cb2cd17ea8118087e0ed6df4;p=thirdparty%2Fglibc.git Fix check for PI mutex in x86-64 pthread_cond_signal Register eax contains the syscall number, use a different one instead. --- diff --git a/nptl/ChangeLog b/nptl/ChangeLog index 5be464e2f22..092962fab6c 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,3 +1,9 @@ +2009-08-10 Andreas Schwab + + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S + (__pthread_cond_signal): Don't clobber register used for syscall + number. + 2009-08-08 Ulrich Drepper * sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S (sem_timedwait): diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S index 4d001eec7fe..d1d83a84f9f 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S @@ -64,9 +64,9 @@ __pthread_cond_signal: /* Get the address of the mutex used. */ movq dep_mutex(%r8), %rcx - movl MUTEX_KIND(%rcx), %eax - andl $(ROBUST_BIT|PI_BIT), %eax - cmpl $PI_BIT, %eax + movl MUTEX_KIND(%rcx), %r11d + andl $(ROBUST_BIT|PI_BIT), %r11d + cmpl $PI_BIT, %r11d je 9f #ifdef __ASSUME_PRIVATE_FUTEX