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| author | Alan Modra <amodra@gmail.com> | 2010-08-12 09:19:19 -0700 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2010-08-12 09:19:19 -0700 |
| commit | bebff237c522e4e8e23204ca1e5104896389158e (patch) | |
| tree | a4edee831e0476277cc372a46fa8281ab0bc229a /sysdeps/powerpc/powerpc64/setjmp-common.S | |
| parent | 026373745eab50a683536d950cb7e17dc98c4259 (diff) | |
| download | glibc-bebff237c522e4e8e23204ca1e5104896389158e.tar.gz glibc-bebff237c522e4e8e23204ca1e5104896389158e.tar.xz glibc-bebff237c522e4e8e23204ca1e5104896389158e.zip | |
PowerPC64 ABI fixes
Diffstat (limited to 'sysdeps/powerpc/powerpc64/setjmp-common.S')
| -rw-r--r-- | sysdeps/powerpc/powerpc64/setjmp-common.S | 41 |
1 files changed, 38 insertions, 3 deletions
diff --git a/sysdeps/powerpc/powerpc64/setjmp-common.S b/sysdeps/powerpc/powerpc64/setjmp-common.S index 606eef5935..a059a91f8b 100644 --- a/sysdeps/powerpc/powerpc64/setjmp-common.S +++ b/sysdeps/powerpc/powerpc64/setjmp-common.S @@ -39,10 +39,33 @@ #endif .machine "altivec" +ENTRY (setjmp) + CALL_MCOUNT 1 + li r4,1 /* Set second argument to 1. */ + b JUMPTARGET (GLUE(__sigsetjmp,_ent)) +END (setjmp) + +#if defined SHARED && !defined IS_IN_rtld && !defined __NO_VMX__ +/* When called from within libc we need a special version of _setjmp + that saves r2 since the call won't go via a plt call stub. See + bugz #269. __GI__setjmp is used in csu/libc-start.c when + HAVE_CLEANUP_JMP_BUF is defined. */ +ENTRY (BP_SYM (__GI__setjmp)) + std r2,40(r1) /* Save the callers TOC in the save area. */ + cfi_endproc +END_2 (BP_SYM (__GI__setjmp)) +/* Fall thru. */ +#endif + +ENTRY (BP_SYM (_setjmp)) + CALL_MCOUNT 1 + li r4,0 /* Set second argument to 0. */ + b JUMPTARGET (GLUE(__sigsetjmp,_ent)) +END (BP_SYM (_setjmp)) +libc_hidden_def (_setjmp) + ENTRY (BP_SYM (__sigsetjmp)) CALL_MCOUNT 2 - .globl JUMPTARGET(GLUE(__sigsetjmp,_ent)) - .hidden JUMPTARGET(GLUE(__sigsetjmp,_ent)) JUMPTARGET(GLUE(__sigsetjmp,_ent)): CHECK_BOUNDS_BOTH_WIDE_LIT (r3, r8, r9, JB_SIZE) #ifdef PTR_MANGLE @@ -190,7 +213,19 @@ L(no_vmx): #if defined NOT_IN_libc && defined IS_IN_rtld li r3,0 blr +#elif defined SHARED + b JUMPTARGET (BP_SYM (__sigjmp_save)) #else - b JUMPTARGET (BP_SYM (__sigjmp_save)) + mflr r0 + std r0,16(r1) + stdu r1,-112(r1) + cfi_adjust_cfa_offset(112) + cfi_offset(lr,16) + bl JUMPTARGET (BP_SYM (__sigjmp_save)) + nop + ld r0,112+16(r1) + addi r1,r1,112 + mtlr r0 + blr #endif END (BP_SYM (__sigsetjmp)) |