diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc32/dl-trampoline.S')
| -rw-r--r-- | sysdeps/powerpc/powerpc32/dl-trampoline.S | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/sysdeps/powerpc/powerpc32/dl-trampoline.S b/sysdeps/powerpc/powerpc32/dl-trampoline.S deleted file mode 100644 index 6a158c3fff..0000000000 --- a/sysdeps/powerpc/powerpc32/dl-trampoline.S +++ /dev/null @@ -1,186 +0,0 @@ -/* PLT trampolines. PPC32 version. - Copyright (C) 2005, 2006 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 - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA - 02110-1301 USA. */ - -#include <sysdep.h> - - .section ".text" - .align 2 - .globl _dl_runtime_resolve - .type _dl_runtime_resolve,@function -_dl_runtime_resolve: - cfi_startproc - # We need to save the registers used to pass parameters, and register 0, - # which is used by _mcount; the registers are saved in a stack frame. - stwu r1,-64(r1) - cfi_adjust_cfa_offset (64) - stw r0,12(r1) - stw r3,16(r1) - stw r4,20(r1) - # The code that calls this has put parameters for `fixup' in r12 and r11. - mr r3,r12 - stw r5,24(r1) - mr r4,r11 - stw r6,28(r1) - mflr r0 - # We also need to save some of the condition register fields - stw r7,32(r1) - # Don't clobber the caller's LRSAVE, it is needed by _mcount. - stw r0,48(r1) - cfi_offset (lr, -16) - stw r8,36(r1) - mfcr r0 - stw r9,40(r1) - stw r10,44(r1) - stw r0,8(r1) - bl _dl_fixup@local - # 'fixup' returns the address we want to branch to. - mtctr r3 - # Put the registers back... - lwz r0,48(r1) - lwz r10,44(r1) - lwz r9,40(r1) - mtlr r0 - lwz r8,36(r1) - lwz r0,8(r1) - lwz r7,32(r1) - lwz r6,28(r1) - mtcrf 0xFF,r0 - lwz r5,24(r1) - lwz r4,20(r1) - lwz r3,16(r1) - lwz r0,12(r1) - # ...unwind the stack frame, and jump to the PLT entry we updated. - addi r1,r1,64 - bctr - cfi_endproc - .size _dl_runtime_resolve,.-_dl_runtime_resolve - -#ifndef PROF - .align 2 - .globl _dl_prof_resolve - .type _dl_prof_resolve,@function -_dl_prof_resolve: - cfi_startproc - # We need to save the registers used to pass parameters, and register 0, - # which is used by _mcount; the registers are saved in a stack frame. - stwu r1,-320(r1) - cfi_adjust_cfa_offset (320) - /* Stack layout: - - +312 stackframe - +308 lr - +304 r1 - +288 v12 - +272 v11 - +256 v10 - +240 v9 - +224 v8 - +208 v7 - +192 v6 - +176 v5 - +160 v4 - +144 v3 - +128 v2 - +112 v1 - +104 fp8 - +96 fp7 - +88 fp6 - +80 fp5 - +72 fp4 - +64 fp3 - +56 fp2 - +48 fp1 - +44 r10 - +40 r9 - +36 r8 - +32 r7 - +28 r6 - +24 r5 - +20 r4 - +16 r3 - +12 r0 - +8 cr - r1 link - */ - stw r0,12(r1) - stw r3,16(r1) - stw r4,20(r1) - # The code that calls this has put parameters for `fixup' in r12 and r11. - mr r3,r12 - stw r5,24(r1) - mr r4,r11 - stw r6,28(r1) - mflr r5 - # We also need to save some of the condition register fields. - stw r7,32(r1) - # Don't clobber the caller's LRSAVE, it is needed by _mcount. - stw r5,308(r1) - cfi_offset (lr, -12) - stw r8,36(r1) - mfcr r0 - stw r9,40(r1) - stw r10,44(r1) - stw r0,8(r1) - # Save the floating point registers - stfd fp1,48(r1) - stfd fp2,56(r1) - stfd fp3,64(r1) - stfd fp4,72(r1) - stfd fp5,80(r1) - stfd fp6,88(r1) - stfd fp7,96(r1) - stfd fp8,104(r1) - # XXX TODO: store vmx registers - # Load the extra parameters. - addi r6,r1,16 - addi r7,r1,312 - li r0,-1 - stw r0,0(r7) - bl _dl_profile_fixup@local - # 'fixup' returns the address we want to branch to. - mtctr r3 - # Put the registers back... - lwz r0,308(r1) - lwz r10,44(r1) - lwz r9,40(r1) - mtlr r0 - lwz r8,36(r1) - lwz r0,8(r1) - lwz r7,32(r1) - lwz r6,28(r1) - mtcrf 0xFF,r0 - lwz r5,24(r1) - lwz r4,20(r1) - lwz r3,16(r1) - lwz r0,12(r1) - # Load the floating point registers. - lfd fp1,48(r1) - lfd fp2,56(r1) - lfd fp3,64(r1) - lfd fp4,72(r1) - lfd fp5,80(r1) - lfd fp6,88(r1) - lfd fp7,96(r1) - lfd fp8,104(r1) - # ...unwind the stack frame, and jump to the PLT entry we updated. - addi r1,r1,320 - bctr - cfi_endproc - .size _dl_prof_resolve,.-_dl_prof_resolve -#endif |