diff options
| author | Thomas Schwinge <thomas@codesourcery.com> | 2013-12-20 09:29:29 +0100 |
|---|---|---|
| committer | Thomas Schwinge <thomas@codesourcery.com> | 2013-12-20 09:29:29 +0100 |
| commit | a65dd355fb80a05215e15ae97649de52aec885e3 (patch) | |
| tree | 81701bb0c6b648630f2bf1729a85d7f5eb49e67b /sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S | |
| parent | 296a5732f94abe4d5699dc981e4ccfb950b48cee (diff) | |
| parent | b4578bab30f72cddd2cf38abfb39f9c8dc892249 (diff) | |
Merge branch 'baseline' into refs/top-bases/tschwinge/Roger_Whittaker
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S | 36 |
1 files changed, 17 insertions, 19 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S index cf46856e1a..37d9d24fb9 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S @@ -40,22 +40,22 @@ ENTRY (__clone) cror cr0*4+eq,cr1*4+eq,cr0*4+eq beq- cr0,L(badargs) - /* Save some regs in parm save area. */ + /* Save some regs in the "red zone". */ #ifdef RESET_PID - std r29,48(r1) + std r29,-24(r1) #endif - std r30,56(r1) - std r31,64(r1) + std r30,-16(r1) + std r31,-8(r1) #ifdef RESET_PID - cfi_offset(r29,48) + cfi_offset(r29,-24) #endif - cfi_offset(r30,56) - cfi_offset(r31,64) + cfi_offset(r30,-16) + cfi_offset(r31,-8) /* Set up stack frame for child. */ clrrdi r4,r4,4 li r0,0 - stdu r0,-112(r4) /* min stack frame is 112 bytes per ABI */ + stdu r0,-FRAME_MIN_SIZE_PARM(r4) /* Save fn, args, stack across syscall. */ mr r30,r3 /* Function in r30. */ @@ -97,14 +97,12 @@ L(nomoregetpid): L(oldpid): #endif - std r2,40(r1) + std r2,FRAME_TOC_SAVE(r1) /* Call procedure. */ - ld r0,0(r30) - ld r2,8(r30) - mtctr r0 + PPC64_LOAD_FUNCPTR r30 mr r3,r31 bctrl - ld r2,40(r1) + ld r2,FRAME_TOC_SAVE(r1) /* Call _exit with result from procedure. */ #ifdef SHARED b JUMPTARGET(__GI__exit) @@ -123,15 +121,15 @@ L(badargs): L(parent): /* Parent. Restore registers & return. */ #ifdef RESET_PID - cfi_offset(r29,48) + cfi_offset(r29,-24) #endif - cfi_offset(r30,56) - cfi_offset(r31,64) + cfi_offset(r30,-16) + cfi_offset(r31,-8) #ifdef RESET_PID - ld r29,48(r1) + ld r29,-24(r1) #endif - ld r30,56(r1) - ld r31,64(r1) + ld r30,-16(r1) + ld r31,-8(r1) #ifdef RESET_PID cfi_restore(r29) #endif |