diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc32/ppc-mcount.S')
| -rw-r--r-- | sysdeps/powerpc/powerpc32/ppc-mcount.S | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/sysdeps/powerpc/powerpc32/ppc-mcount.S b/sysdeps/powerpc/powerpc32/ppc-mcount.S index 68df440cf3..b3cf011ff5 100644 --- a/sysdeps/powerpc/powerpc32/ppc-mcount.S +++ b/sysdeps/powerpc/powerpc32/ppc-mcount.S @@ -1,5 +1,5 @@ /* PowerPC-specific implementation of profiling support. - Copyright (C) 1997-2016 Free Software Foundation, Inc. + Copyright (C) 1997-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -40,22 +40,38 @@ */ ENTRY(_mcount) +#if defined PIC && !defined SHARED +# define CALLER_LR_OFFSET 68 + stwu r1,-64(r1) + cfi_adjust_cfa_offset (64) + stw r30, 48(r1) + cfi_rel_offset (r30, 48) +#else +# define CALLER_LR_OFFSET 52 stwu r1,-48(r1) cfi_adjust_cfa_offset (48) +#endif /* We need to save the parameter-passing registers. */ stw r3, 12(r1) stw r4, 16(r1) stw r5, 20(r1) stw r6, 24(r1) mflr r4 - lwz r3, 52(r1) +#if defined PIC && !defined SHARED + bcl 20,31,0f +0: + mflr r30 + addis r30, r30, _GLOBAL_OFFSET_TABLE_-0b@ha + addi r30, r30, _GLOBAL_OFFSET_TABLE_-0b@l +#endif + lwz r3, CALLER_LR_OFFSET(r1) mfcr r5 stw r7, 28(r1) stw r8, 32(r1) stw r9, 36(r1) stw r10,40(r1) stw r4, 44(r1) - cfi_offset (lr, -4) + cfi_rel_offset (lr, 44) stw r5, 8(r1) #ifndef SHARED bl JUMPTARGET(__mcount_internal) @@ -71,13 +87,18 @@ ENTRY(_mcount) mtcrf 0xff,r6 lwz r5, 20(r1) lwz r6, 24(r1) - lwz r0, 52(r1) + lwz r0, CALLER_LR_OFFSET(r1) lwz r7, 28(r1) lwz r8, 32(r1) mtlr r0 lwz r9, 36(r1) lwz r10,40(r1) /* ...unwind the stack frame, and return to your usual programming. */ +#if defined PIC && !defined SHARED + lwz r30, 48(r1) + addi r1,r1,64 +#else addi r1,r1,48 +#endif bctr END(_mcount) |