/* PLT trampolines. PPC32 version.
- Copyright (C) 2005 Free Software Foundation, Inc.
+ Copyright (C) 2005-2019 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
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., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
#include <sysdep.h>
.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 1,-64(1)
- stw 0,12(1)
- stw 3,16(1)
- stw 4,20(1)
+ 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 3,12
- stw 5,24(1)
- mr 4,11
- stw 6,28(1)
- mflr 0
+ 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 7,32(1)
- stw 0,48(1)
- stw 8,36(1)
- mfcr 0
- stw 9,40(1)
- stw 10,44(1)
- stw 0,8(1)
+ 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 3
+ mtctr r3
# Put the registers back...
- lwz 0,48(1)
- lwz 10,44(1)
- lwz 9,40(1)
- mtlr 0
- lwz 8,36(1)
- lwz 0,8(1)
- lwz 7,32(1)
- lwz 6,28(1)
- mtcrf 0xFF,0
- lwz 5,24(1)
- lwz 4,20(1)
- lwz 3,16(1)
- lwz 0,12(1)
+ 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 1,1,64
+ 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 1,-64(1)
- stw 0,12(1)
- stw 3,16(1)
- stw 4,20(1)
+ 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 3,12
- stw 5,24(1)
- mr 4,11
- stw 6,28(1)
- mflr 5
+ 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 7,32(1)
- stw 5,48(1)
- stw 8,36(1)
- mfcr 0
- stw 9,40(1)
- stw 10,44(1)
- stw 0,8(1)
+ 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)
+#ifndef __NO_FPRS__
+ # 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)
+#endif
+ # 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 3
+ mtctr r3
# Put the registers back...
- lwz 0,48(1)
- lwz 10,44(1)
- lwz 9,40(1)
- mtlr 0
- lwz 8,36(1)
- lwz 0,8(1)
- lwz 7,32(1)
- lwz 6,28(1)
- mtcrf 0xFF,0
- lwz 5,24(1)
- lwz 4,20(1)
- lwz 3,16(1)
- lwz 0,12(1)
+ 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)
+#ifndef __NO_FPRS__
+ # 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)
+#endif
# ...unwind the stack frame, and jump to the PLT entry we updated.
- addi 1,1,64
+ addi r1,r1,320
bctr
+ cfi_endproc
.size _dl_prof_resolve,.-_dl_prof_resolve
+#endif
projects / thirdparty / glibc.git / blobdiff