mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-21 10:20:06 +00:00
182 lines
4.8 KiB
ArmAsm
182 lines
4.8 KiB
ArmAsm
/* setjmp for PowerPC64.
|
|
Copyright (C) 1995-2003, 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>
|
|
|
|
#ifndef __NO_VMX__
|
|
.section ".toc","aw"
|
|
.LC__dl_hwcap:
|
|
# ifdef SHARED
|
|
.tc _rtld_global_ro[TC],_rtld_global_ro
|
|
# else
|
|
.tc _dl_hwcap[TC],_dl_hwcap
|
|
# endif
|
|
.section ".text"
|
|
#endif
|
|
|
|
.machine "altivec"
|
|
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)
|
|
std r1,(JB_GPR1*8)(3)
|
|
mflr r0
|
|
#if defined SHARED && !defined IS_IN_rtld
|
|
ld r5,40(r1) /* Retrieve the callers TOC. */
|
|
std r5,(JB_GPR2*8)(3)
|
|
#else
|
|
std r2,(JB_GPR2*8)(3)
|
|
#endif
|
|
std r14,((JB_GPRS+0)*8)(3)
|
|
stfd fp14,((JB_FPRS+0)*8)(3)
|
|
std r0,(JB_LR*8)(3)
|
|
std r15,((JB_GPRS+1)*8)(3)
|
|
stfd fp15,((JB_FPRS+1)*8)(3)
|
|
mfcr r0
|
|
std r16,((JB_GPRS+2)*8)(3)
|
|
stfd fp16,((JB_FPRS+2)*8)(3)
|
|
std r0,(JB_CR*8)(3)
|
|
std r17,((JB_GPRS+3)*8)(3)
|
|
stfd fp17,((JB_FPRS+3)*8)(3)
|
|
std r18,((JB_GPRS+4)*8)(3)
|
|
stfd fp18,((JB_FPRS+4)*8)(3)
|
|
std r19,((JB_GPRS+5)*8)(3)
|
|
stfd fp19,((JB_FPRS+5)*8)(3)
|
|
std r20,((JB_GPRS+6)*8)(3)
|
|
stfd fp20,((JB_FPRS+6)*8)(3)
|
|
std r21,((JB_GPRS+7)*8)(3)
|
|
stfd fp21,((JB_FPRS+7)*8)(3)
|
|
std r22,((JB_GPRS+8)*8)(3)
|
|
stfd fp22,((JB_FPRS+8)*8)(3)
|
|
std r23,((JB_GPRS+9)*8)(3)
|
|
stfd fp23,((JB_FPRS+9)*8)(3)
|
|
std r24,((JB_GPRS+10)*8)(3)
|
|
stfd fp24,((JB_FPRS+10)*8)(3)
|
|
std r25,((JB_GPRS+11)*8)(3)
|
|
stfd fp25,((JB_FPRS+11)*8)(3)
|
|
std r26,((JB_GPRS+12)*8)(3)
|
|
stfd fp26,((JB_FPRS+12)*8)(3)
|
|
std r27,((JB_GPRS+13)*8)(3)
|
|
stfd fp27,((JB_FPRS+13)*8)(3)
|
|
std r28,((JB_GPRS+14)*8)(3)
|
|
stfd fp28,((JB_FPRS+14)*8)(3)
|
|
std r29,((JB_GPRS+15)*8)(3)
|
|
stfd fp29,((JB_FPRS+15)*8)(3)
|
|
std r30,((JB_GPRS+16)*8)(3)
|
|
stfd fp30,((JB_FPRS+16)*8)(3)
|
|
std r31,((JB_GPRS+17)*8)(3)
|
|
stfd fp31,((JB_FPRS+17)*8)(3)
|
|
#ifndef __NO_VMX__
|
|
ld r5,.LC__dl_hwcap@toc(r2)
|
|
# ifdef SHARED
|
|
/* Load _rtld-global._dl_hwcap. */
|
|
ld r5,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET(r5)
|
|
# else
|
|
ld r5,0(r5) /* Load extern _dl_hwcap. */
|
|
# endif
|
|
andis. r5,r5,(PPC_FEATURE_HAS_ALTIVEC >> 16)
|
|
beq L(no_vmx)
|
|
la r5,((JB_VRS)*8)(3)
|
|
andi. r6,r5,0xf
|
|
mfspr r0,VRSAVE
|
|
stw r0,((JB_VRSAVE)*8)(3)
|
|
addi r6,r5,16
|
|
beq+ L(aligned_save_vmx)
|
|
lvsr v0,0,r5
|
|
vspltisb v1,-1 /* set v1 to all 1's */
|
|
vspltisb v2,0 /* set v2 to all 0's */
|
|
vperm v3,v2,v1,v0 /* v3 contains shift mask with num all 1 bytes
|
|
on left = misalignment */
|
|
|
|
|
|
/* Special case for v20 we need to preserve what is in save area
|
|
below v20 before obliterating it */
|
|
lvx v5,0,r5
|
|
vperm v20,v20,v20,v0
|
|
vsel v5,v5,v20,v3
|
|
vsel v20,v20,v2,v3
|
|
stvx v5,0,r5
|
|
|
|
# define save_2vmx_partial(savevr,prev_savevr,hivr,shiftvr,maskvr,savegpr,addgpr) \
|
|
addi addgpr,addgpr,32; \
|
|
vperm savevr,savevr,savevr,shiftvr; \
|
|
vsel hivr,prev_savevr,savevr,maskvr; \
|
|
stvx hivr,0,savegpr;
|
|
|
|
save_2vmx_partial(v21,v20,v5,v0,v3,r6,r5)
|
|
save_2vmx_partial(v22,v21,v5,v0,v3,r5,r6)
|
|
save_2vmx_partial(v23,v22,v5,v0,v3,r6,r5)
|
|
save_2vmx_partial(v24,v23,v5,v0,v3,r5,r6)
|
|
save_2vmx_partial(v25,v24,v5,v0,v3,r6,r5)
|
|
save_2vmx_partial(v26,v25,v5,v0,v3,r5,r6)
|
|
save_2vmx_partial(v27,v26,v5,v0,v3,r6,r5)
|
|
save_2vmx_partial(v28,v27,v5,v0,v3,r5,r6)
|
|
save_2vmx_partial(v29,v28,v5,v0,v3,r6,r5)
|
|
save_2vmx_partial(v30,v29,v5,v0,v3,r5,r6)
|
|
|
|
/* Special case for r31 we need to preserve what is in save area
|
|
above v31 before obliterating it */
|
|
addi r5,r5,32
|
|
vperm v31,v31,v31,v0
|
|
lvx v4,0,r5
|
|
vsel v5,v30,v31,v3
|
|
stvx v5,0,r6
|
|
vsel v4,v31,v4,v3
|
|
stvx v4,0,r5
|
|
b L(no_vmx)
|
|
|
|
L(aligned_save_vmx):
|
|
stvx 20,0,r5
|
|
addi r5,r5,32
|
|
stvx 21,0,r6
|
|
addi r6,r6,32
|
|
stvx 22,0,r5
|
|
addi r5,r5,32
|
|
stvx 23,0,r6
|
|
addi r6,r6,32
|
|
stvx 24,0,r5
|
|
addi r5,r5,32
|
|
stvx 25,0,r6
|
|
addi r6,r6,32
|
|
stvx 26,0,r5
|
|
addi r5,r5,32
|
|
stvx 27,0,r6
|
|
addi r6,r6,32
|
|
stvx 28,0,r5
|
|
addi r5,r5,32
|
|
stvx 29,0,r6
|
|
addi r6,r6,32
|
|
stvx 30,0,r5
|
|
stvx 31,0,r6
|
|
L(no_vmx):
|
|
#endif
|
|
b JUMPTARGET (BP_SYM (__sigjmp_save))
|
|
END (BP_SYM (__sigsetjmp))
|