mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-04 10:50:07 +00:00
99c7f8700d
Handle prelinked libraries and binaries with new style PLT. 2005-06-07 Jakub Jelinek <jakub@redhat.com> * elf/elf.h (R_PPC_REL16, R_PPC_REL16_LO, R_PPC_REL16_HI, R_PPC_REL16_HA): Define. 2005-06-14 Alan Modra <amodra@bigpond.net.au> * config.h.in (HAVE_ASM_PPC_REL16): Add. * elf/elf.h (DT_PPC_GOT, DT_PPC_NUM): Define. * elf/tls-macros.h (PowerPC32): Include config.h. Add variants of TLS_IE, TLS_LD and TLS_GD for new PLT/GOT layout. * sysdeps/powerpc/powerpc32/configure.in: New file, * sysdeps/powerpc/powerpc32/dl-dtprocnum.h: New file. * sysdeps/powerpc/powerpc32/dl-machine.h (DT_PPC): Define. (ppc_got): New inline function. (elf_machine_dynamic): Use ppc_got. Add attribute const. (elf_machine_load_address): Add attribute const. Don't use int vars. Use bcl rather than bl to save trashing branch target stack. Use elf_machine_dynamic rather than duplicating code here. (elf_machine_runtime_setup): New inline function replacing define. Handle new PLT. (elf_machine_fixup_plt): Handle new PLT. (elf_machine_rela): Likewise. * sysdeps/powerpc/powerpc32/sysdep.h: Include config.h. (CALL_MCOUNT): Don't set up counter vars. * sysdeps/powerpc/powerpc32/ppc-mcount.S: Correct comment. * sysdeps/powerpc/powerpc32/elf/start.S (start_addressesp): Don't define when HAVE_ASM_PPC_REL16. (_start): Add HAVE_ASM_PPC_REL16 code. * sysdeps/powerpc/powerpc32/dl-start.S (_dl_start_user): Don't bl into the GOT when HAVE_ASM_PPC_REL16. * sysdeps/powerpc/powerpc32/memset.S (memset): Likewise. * sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S (__longjmp): Ditto. * sysdeps/powerpc/powerpc32/fpu/s_ceil.S (__ceil): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_ceilf.S (__ceilf): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_floor.S (__floor): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_floorf.S (__floorf): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_lround.S (__lround): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_rint.S (__rint): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_rintf.S (__rintf): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_round.S (__round): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_roundf.S (__roundf): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_trunc.S (__trunc): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_truncf.S (__truncf): Likewise. * sysdeps/powerpc/powerpc32/fpu/setjmp-common.S (__sigsetjmp): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S (__brk): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext.S (__getcontext): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext.S (__setcontext): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext.S (__swapcontext): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/socket.S (stackblock): Comment. (__socket): Bomb if NARGS >= 7. Invoke CGOTSETUP and CGOTRESTORE. 2005-06-17 Ulrich Drepper <drepper@redhat.com> * sysdeps/posix/sigignore.c: Include <string.h> to tell the compiler to use __GI_memset. * sysdeps/posix/signal.c: Likewise. * sysdeps/posix/sigset.c: Likewise. * sysdeps/posix/sysv_signal.c: Likewise. * sysdeps/unix/sysv/linux/sleep.c: Likewise. * sysdeps/unix/sysv/linux/sysctl.c: Likewise. * sysdeps/unix/sysv/linux/system.c: Likewise.
159 lines
4.2 KiB
ArmAsm
159 lines
4.2 KiB
ArmAsm
/* longjmp for PowerPC.
|
|
Copyright (C) 1995-99, 2000, 2003, 2004 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., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <sysdep.h>
|
|
#define _ASM
|
|
#define _SETJMP_H
|
|
#ifdef __NO_VMX__
|
|
# include <novmxsetjmp.h>
|
|
#else
|
|
# include <bits/setjmp.h>
|
|
#endif
|
|
#include <bp-sym.h>
|
|
#include <bp-asm.h>
|
|
|
|
.machine "altivec"
|
|
ENTRY (BP_SYM (__longjmp))
|
|
CHECK_BOUNDS_BOTH_WIDE_LIT (r3, r8, r9, JB_SIZE)
|
|
#ifndef __NO_VMX__
|
|
# ifdef PIC
|
|
mflr r6
|
|
# ifdef HAVE_ASM_PPC_REL16
|
|
bcl 20,31,1f
|
|
1: mflr r5
|
|
addis r5,r5,_GLOBAL_OFFSET_TABLE_-1b@ha
|
|
addi r5,r5,_GLOBAL_OFFSET_TABLE_-1b@l
|
|
# else
|
|
bl _GLOBAL_OFFSET_TABLE_@local-4
|
|
mflr r5
|
|
# endif
|
|
# ifdef SHARED
|
|
lwz r5,_rtld_global_ro@got(r5)
|
|
mtlr r6
|
|
lwz r5,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET(r5)
|
|
# else
|
|
lwz r5,_dl_hwcap@got(r5)
|
|
mtlr r6
|
|
lwz r5,0(r5)
|
|
# endif
|
|
# else
|
|
lis r5,_dl_hwcap@ha
|
|
lwz r5,_dl_hwcap@l(r5)
|
|
# endif
|
|
andis. r5,r5,(PPC_FEATURE_HAS_ALTIVEC >> 16)
|
|
beq L(no_vmx)
|
|
la r5,((JB_VRS)*4)(3)
|
|
andi. r6,r5,0xf
|
|
lwz r0,((JB_VRSAVE)*4)(3)
|
|
mtspr VRSAVE,r0
|
|
beq+ aligned_restore_vmx
|
|
addi r6,r5,16
|
|
lvsl v0,0,r5
|
|
lvx v1,0,r5
|
|
addi r5,r5,32
|
|
lvx v21,0,r6
|
|
vperm v20,v1,v21,v0
|
|
# define load_misaligned_vmx_lo_loaded(loadvr,lovr,shiftvr,loadgpr,addgpr) \
|
|
addi addgpr,addgpr,32; \
|
|
lvx lovr,0,loadgpr; \
|
|
vperm loadvr,loadvr,lovr,shiftvr;
|
|
load_misaligned_vmx_lo_loaded(v21,v22,v0,r5,r6)
|
|
load_misaligned_vmx_lo_loaded(v22,v23,v0,r6,r5)
|
|
load_misaligned_vmx_lo_loaded(v23,v24,v0,r5,r6)
|
|
load_misaligned_vmx_lo_loaded(v24,v25,v0,r6,r5)
|
|
load_misaligned_vmx_lo_loaded(v25,v26,v0,r5,r6)
|
|
load_misaligned_vmx_lo_loaded(v26,v27,v0,r6,r5)
|
|
load_misaligned_vmx_lo_loaded(v27,v28,v0,r5,r6)
|
|
load_misaligned_vmx_lo_loaded(v28,v29,v0,r6,r5)
|
|
load_misaligned_vmx_lo_loaded(v29,v30,v0,r5,r6)
|
|
load_misaligned_vmx_lo_loaded(v30,v31,v0,r6,r5)
|
|
lvx v1,0,r5
|
|
vperm v31,v31,v1,v0
|
|
b L(no_vmx)
|
|
aligned_restore_vmx:
|
|
addi r6,r5,16
|
|
lvx v20,0,r5
|
|
addi r5,r5,32
|
|
lvx v21,0,r6
|
|
addi r6,r6,32
|
|
lvx v22,0,r5
|
|
addi r5,r5,32
|
|
lvx v23,0,r6
|
|
addi r6,r6,32
|
|
lvx v24,0,r5
|
|
addi r5,r5,32
|
|
lvx v25,0,r6
|
|
addi r6,r6,32
|
|
lvx v26,0,r5
|
|
addi r5,r5,32
|
|
lvx v27,0,r6
|
|
addi r6,r6,32
|
|
lvx v28,0,r5
|
|
addi r5,r5,32
|
|
lvx v29,0,r6
|
|
addi r6,r6,32
|
|
lvx v30,0,r5
|
|
lvx v31,0,r6
|
|
L(no_vmx):
|
|
#endif
|
|
lwz r1,(JB_GPR1*4)(r3)
|
|
lwz r0,(JB_LR*4)(r3)
|
|
lwz r14,((JB_GPRS+0)*4)(r3)
|
|
lfd fp14,((JB_FPRS+0*2)*4)(r3)
|
|
lwz r15,((JB_GPRS+1)*4)(r3)
|
|
lfd fp15,((JB_FPRS+1*2)*4)(r3)
|
|
lwz r16,((JB_GPRS+2)*4)(r3)
|
|
lfd fp16,((JB_FPRS+2*2)*4)(r3)
|
|
lwz r17,((JB_GPRS+3)*4)(r3)
|
|
lfd fp17,((JB_FPRS+3*2)*4)(r3)
|
|
lwz r18,((JB_GPRS+4)*4)(r3)
|
|
lfd fp18,((JB_FPRS+4*2)*4)(r3)
|
|
lwz r19,((JB_GPRS+5)*4)(r3)
|
|
lfd fp19,((JB_FPRS+5*2)*4)(r3)
|
|
lwz r20,((JB_GPRS+6)*4)(r3)
|
|
lfd fp20,((JB_FPRS+6*2)*4)(r3)
|
|
mtlr r0
|
|
lwz r21,((JB_GPRS+7)*4)(r3)
|
|
lfd fp21,((JB_FPRS+7*2)*4)(r3)
|
|
lwz r22,((JB_GPRS+8)*4)(r3)
|
|
lfd fp22,((JB_FPRS+8*2)*4)(r3)
|
|
lwz r0,(JB_CR*4)(r3)
|
|
lwz r23,((JB_GPRS+9)*4)(r3)
|
|
lfd fp23,((JB_FPRS+9*2)*4)(r3)
|
|
lwz r24,((JB_GPRS+10)*4)(r3)
|
|
lfd fp24,((JB_FPRS+10*2)*4)(r3)
|
|
lwz r25,((JB_GPRS+11)*4)(r3)
|
|
lfd fp25,((JB_FPRS+11*2)*4)(r3)
|
|
mtcrf 0xFF,r0
|
|
lwz r26,((JB_GPRS+12)*4)(r3)
|
|
lfd fp26,((JB_FPRS+12*2)*4)(r3)
|
|
lwz r27,((JB_GPRS+13)*4)(r3)
|
|
lfd fp27,((JB_FPRS+13*2)*4)(r3)
|
|
lwz r28,((JB_GPRS+14)*4)(r3)
|
|
lfd fp28,((JB_FPRS+14*2)*4)(r3)
|
|
lwz r29,((JB_GPRS+15)*4)(r3)
|
|
lfd fp29,((JB_FPRS+15*2)*4)(r3)
|
|
lwz r30,((JB_GPRS+16)*4)(r3)
|
|
lfd fp30,((JB_FPRS+16*2)*4)(r3)
|
|
lwz r31,((JB_GPRS+17)*4)(r3)
|
|
lfd fp31,((JB_FPRS+17*2)*4)(r3)
|
|
mr r3,r4
|
|
blr
|
|
END (BP_SYM (__longjmp))
|