diff options
Diffstat (limited to 'sysdeps/x86_64/stackinfo.h')
-rw-r--r-- | sysdeps/x86_64/stackinfo.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sysdeps/x86_64/stackinfo.h b/sysdeps/x86_64/stackinfo.h index f7a5672f27..1301c5e197 100644 --- a/sysdeps/x86_64/stackinfo.h +++ b/sysdeps/x86_64/stackinfo.h @@ -34,7 +34,9 @@ for which they need to act as barriers as well, hence the additional (unnecessary) parameters. */ #define stackinfo_get_sp() \ - ({ void *p__; asm volatile ("mov %%" RSP_LP ", %0" : "=r" (p__)); p__; }) + ({ register void * p__ __asm__(RSP_LP); \ + asm volatile("" : "=r" (p__)); \ + p__; }) #define stackinfo_sub_sp(ptr) \ ({ ptrdiff_t d__; \ asm volatile ("sub %%" RSP_LP " , %0" : "=r" (d__) : "0" (ptr)); \ |