diff options
| author | H.J. Lu <hjl.tools@gmail.com> | 2012-03-19 16:21:21 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2012-03-19 16:21:21 -0700 |
| commit | 24d8f4b7dc85b8f4c8907527ec92c9d2e5fdce7c (patch) | |
| tree | de889115270ccf956afc6d4ca16b114cf903fe94 /nptl | |
| parent | 490df6c44152fb9f4ade4963c60dfd82025ff2eb (diff) | |
Use __asm__("rsp") to get CURRENT_STACK_FRAME
Diffstat (limited to 'nptl')
| -rw-r--r-- | nptl/ChangeLog | 5 | ||||
| -rw-r--r-- | nptl/sysdeps/x86_64/pthreaddef.h | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog index ad4725f422..ad345f9505 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,5 +1,10 @@ 2012-03-19 H.J. Lu <hongjiu.lu@intel.com> + * sysdeps/x86_64/pthreaddef.h (CURRENT_STACK_FRAME): Use + register char * __asm__("rsp") to get stack frame. + +2012-03-19 H.J. Lu <hongjiu.lu@intel.com> + * 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 7e45be47ab..50587b8692 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. */ |