From: H.J. Lu Date: Mon, 19 Mar 2012 23:21:21 +0000 (-0700) Subject: Use __asm__("rsp") to get CURRENT_STACK_FRAME X-Git-Tag: glibc-2.16-tps~749 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=24d8f4b7dc85b8f4c8907527ec92c9d2e5fdce7c;p=platform%2Fupstream%2Fglibc.git Use __asm__("rsp") to get CURRENT_STACK_FRAME --- diff --git a/nptl/ChangeLog b/nptl/ChangeLog index ad4725f..ad345f9 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,5 +1,10 @@ 2012-03-19 H.J. Lu + * sysdeps/x86_64/pthreaddef.h (CURRENT_STACK_FRAME): Use + register char * __asm__("rsp") to get stack frame. + +2012-03-19 H.J. Lu + * sysdeps/unix/sysv/linux/x86_64/lowlevellock.h (SYS_futex): Use __NR_futex directly. diff --git a/nptl/sysdeps/x86_64/pthreaddef.h b/nptl/sysdeps/x86_64/pthreaddef.h index 7e45be4..50587b8 100644 --- a/nptl/sysdeps/x86_64/pthreaddef.h +++ b/nptl/sysdeps/x86_64/pthreaddef.h @@ -41,7 +41,7 @@ /* Location of current stack frame. The frame pointer is not usable. */ #define CURRENT_STACK_FRAME \ - ({ char *frame; asm ("movq %%rsp, %0" : "=r" (frame)); frame; }) + ({ register char *frame __asm__("rsp"); frame; }) /* XXX Until we have a better place keep the definitions here. */