diff options
Diffstat (limited to 'sys/arch/i386')
| -rw-r--r-- | sys/arch/i386/include/profile.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/sys/arch/i386/include/profile.h b/sys/arch/i386/include/profile.h index 78a72b420db..02d7429ae8c 100644 --- a/sys/arch/i386/include/profile.h +++ b/sys/arch/i386/include/profile.h @@ -1,4 +1,4 @@ -/* $OpenBSD: profile.h,v 1.10 2005/01/07 02:03:17 pascoe Exp $ */ +/* $OpenBSD: profile.h,v 1.11 2010/07/09 18:44:10 kettenis Exp $ */ /* $NetBSD: profile.h,v 1.6 1995/03/28 18:17:08 jtc Exp $ */ /* @@ -38,9 +38,14 @@ extern void mcount(void) __asm("__mcount"); \ __weak_alias(mcount,__mcount); \ void \ -mcount() \ +mcount(void) \ { \ int selfpc, frompcindex; \ + int eax, ecx, edx; \ + \ + __asm volatile("movl %%eax,%0" : "=g" (eax)); \ + __asm volatile("movl %%ecx,%0" : "=g" (ecx)); \ + __asm volatile("movl %%edx,%0" : "=g" (edx)); \ /* \ * find the return address for mcount, \ * and the return address for mcount's caller. \ @@ -54,6 +59,10 @@ mcount() \ __asm __volatile ("movl (%%ebp),%0;movl 4(%0),%0" : \ "+r" (frompcindex)); \ _mcount(frompcindex, selfpc); \ + \ + __asm volatile("movl %0,%%edx" : : "g" (edx)); \ + __asm volatile("movl %0,%%ecx" : : "g" (ecx)); \ + __asm volatile("movl %0,%%eax" : : "g" (eax)); \ } #ifdef _KERNEL |