mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-26 23:10:06 +00:00
177 lines
4.5 KiB
ArmAsm
177 lines
4.5 KiB
ArmAsm
/* longjmp for PowerPC64.
|
|
Copyright (C) 1995, 1996,1997,1999-2006,2009 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 <jmpbuf-offsets.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 (__longjmp))
|
|
CALL_MCOUNT 2
|
|
CHECK_BOUNDS_BOTH_WIDE_LIT (r3, r8, r9, JB_SIZE)
|
|
#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
|
|
lwz r0,((JB_VRSAVE)*8)(3)
|
|
mtspr VRSAVE,r0
|
|
beq+ L(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)
|
|
L(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
|
|
#if defined PTR_DEMANGLE || defined CHECK_SP
|
|
ld r22,(JB_GPR1*8)(r3)
|
|
#else
|
|
ld r1,(JB_GPR1*8)(r3)
|
|
#endif
|
|
#ifdef PTR_DEMANGLE
|
|
# ifdef CHECK_SP
|
|
PTR_DEMANGLE3 (r22, r22, r25)
|
|
# else
|
|
PTR_DEMANGLE3 (r1, r22, r25)
|
|
# endif
|
|
#endif
|
|
#ifdef CHECK_SP
|
|
CHECK_SP (r22)
|
|
mr r1,r22
|
|
#endif
|
|
ld r2,(JB_GPR2*8)(r3)
|
|
ld r0,(JB_LR*8)(r3)
|
|
ld r14,((JB_GPRS+0)*8)(r3)
|
|
lfd fp14,((JB_FPRS+0)*8)(r3)
|
|
#if defined SHARED && !defined IS_IN_rtld
|
|
std r2,40(r1) /* Restore the callers TOC save area. */
|
|
#endif
|
|
ld r15,((JB_GPRS+1)*8)(r3)
|
|
lfd fp15,((JB_FPRS+1)*8)(r3)
|
|
ld r16,((JB_GPRS+2)*8)(r3)
|
|
lfd fp16,((JB_FPRS+2)*8)(r3)
|
|
ld r17,((JB_GPRS+3)*8)(r3)
|
|
lfd fp17,((JB_FPRS+3)*8)(r3)
|
|
ld r18,((JB_GPRS+4)*8)(r3)
|
|
lfd fp18,((JB_FPRS+4)*8)(r3)
|
|
ld r19,((JB_GPRS+5)*8)(r3)
|
|
lfd fp19,((JB_FPRS+5)*8)(r3)
|
|
ld r20,((JB_GPRS+6)*8)(r3)
|
|
lfd fp20,((JB_FPRS+6)*8)(r3)
|
|
#ifdef PTR_DEMANGLE
|
|
PTR_DEMANGLE2 (r0, r25)
|
|
#endif
|
|
mtlr r0
|
|
/* std r2,40(r1) Restore the TOC save area. */
|
|
ld r21,((JB_GPRS+7)*8)(r3)
|
|
lfd fp21,((JB_FPRS+7)*8)(r3)
|
|
ld r22,((JB_GPRS+8)*8)(r3)
|
|
lfd fp22,((JB_FPRS+8)*8)(r3)
|
|
ld r0,(JB_CR*8)(r3)
|
|
ld r23,((JB_GPRS+9)*8)(r3)
|
|
lfd fp23,((JB_FPRS+9)*8)(r3)
|
|
ld r24,((JB_GPRS+10)*8)(r3)
|
|
lfd fp24,((JB_FPRS+10)*8)(r3)
|
|
ld r25,((JB_GPRS+11)*8)(r3)
|
|
lfd fp25,((JB_FPRS+11)*8)(r3)
|
|
mtcrf 0xFF,r0
|
|
ld r26,((JB_GPRS+12)*8)(r3)
|
|
lfd fp26,((JB_FPRS+12)*8)(r3)
|
|
ld r27,((JB_GPRS+13)*8)(r3)
|
|
lfd fp27,((JB_FPRS+13)*8)(r3)
|
|
ld r28,((JB_GPRS+14)*8)(r3)
|
|
lfd fp28,((JB_FPRS+14)*8)(r3)
|
|
ld r29,((JB_GPRS+15)*8)(r3)
|
|
lfd fp29,((JB_FPRS+15)*8)(r3)
|
|
ld r30,((JB_GPRS+16)*8)(r3)
|
|
lfd fp30,((JB_FPRS+16)*8)(r3)
|
|
ld r31,((JB_GPRS+17)*8)(r3)
|
|
lfd fp31,((JB_FPRS+17)*8)(r3)
|
|
mr r3,r4
|
|
blr
|
|
END (BP_SYM (__longjmp))
|