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Update. 2004-07-16 Steven Munroe <sjmunroe@us.ibm.com> [BZ #269] * setjmp/Makefile (tests): Add bug269-setjmp. * setjmp/bug269-setjmp.c: New file. * sysdeps/powerpc/powerpc64/__longjmp-common.S [SHARED && !IS_IN_rtld]: Store R2 from jmpbuf in callers TOC save area. * sysdeps/powerpc/powerpc64/bsd-_setjmp.S [SHARED && !IS_IN_rtld]: Store R2 in TOC save area. * sysdeps/powerpc/powerpc64/setjmp-common.S [SHARED && !IS_IN_rtld]: Copy TOC save area from previous frame as R2 (TOC) in jmpbuf.
159 lines
4.2 KiB
ArmAsm
159 lines
4.2 KiB
ArmAsm
/* longjmp for PowerPC64.
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Copyright (C) 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003, 2004
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Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep.h>
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#define _ASM
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#define _SETJMP_H
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#ifdef __NO_VMX__
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# include <novmxsetjmp.h>
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#else
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# include <bits/setjmp.h>
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#endif
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#include <bp-sym.h>
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#include <bp-asm.h>
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#ifndef __NO_VMX__
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.section ".toc","aw"
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.LC__dl_hwcap:
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# ifdef SHARED
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.tc _rtld_global_ro[TC],_rtld_global_ro
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# else
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.tc _dl_hwcap[TC],_dl_hwcap
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# endif
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.section ".text"
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#endif
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.machine "altivec"
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ENTRY (BP_SYM (__longjmp))
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CHECK_BOUNDS_BOTH_WIDE_LIT (r3, r8, r9, JB_SIZE)
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#ifndef __NO_VMX__
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ld r5,.LC__dl_hwcap@toc(r2)
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# ifdef SHARED
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/* Load _rtld-global._dl_hwcap. */
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ld r5,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET(r5)
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# else
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ld r5,0(r5) /* Load extern _dl_hwcap. */
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# endif
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andis. r5,r5,(PPC_FEATURE_HAS_ALTIVEC >> 16)
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beq no_vmx
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la r5,((JB_VRS)*8)(3)
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andi. r6,r5,0xf
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lwz r0,((JB_VRSAVE)*8)(3)
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mtspr VRSAVE,r0
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beq+ aligned_restore_vmx
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addi r6,r5,16
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lvsl v0,0,r5
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lvx v1,0,r5
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addi r5,r5,32
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lvx v21,0,r6
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vperm v20,v1,v21,v0
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# define load_misaligned_vmx_lo_loaded(loadvr,lovr,shiftvr,loadgpr,addgpr) \
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addi addgpr,addgpr,32; \
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lvx lovr,0,loadgpr; \
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vperm loadvr,loadvr,lovr,shiftvr;
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load_misaligned_vmx_lo_loaded(v21,v22,v0,r5,r6)
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load_misaligned_vmx_lo_loaded(v22,v23,v0,r6,r5)
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load_misaligned_vmx_lo_loaded(v23,v24,v0,r5,r6)
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load_misaligned_vmx_lo_loaded(v24,v25,v0,r6,r5)
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load_misaligned_vmx_lo_loaded(v25,v26,v0,r5,r6)
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load_misaligned_vmx_lo_loaded(v26,v27,v0,r6,r5)
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load_misaligned_vmx_lo_loaded(v27,v28,v0,r5,r6)
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load_misaligned_vmx_lo_loaded(v28,v29,v0,r6,r5)
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load_misaligned_vmx_lo_loaded(v29,v30,v0,r5,r6)
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load_misaligned_vmx_lo_loaded(v30,v31,v0,r6,r5)
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lvx v1,0,r5
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vperm v31,v31,v1,v0
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b no_vmx
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aligned_restore_vmx:
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addi r6,r5,16
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lvx v20,0,r5
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addi r5,r5,32
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lvx v21,0,r6
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addi r6,r6,32
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lvx v22,0,r5
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addi r5,r5,32
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lvx v23,0,r6
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addi r6,r6,32
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lvx v24,0,r5
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addi r5,r5,32
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lvx v25,0,r6
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addi r6,r6,32
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lvx v26,0,r5
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addi r5,r5,32
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lvx v27,0,r6
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addi r6,r6,32
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lvx v28,0,r5
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addi r5,r5,32
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lvx v29,0,r6
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addi r6,r6,32
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lvx v30,0,r5
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lvx v31,0,r6
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no_vmx:
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#endif
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ld r1,(JB_GPR1*8)(r3)
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ld r2,(JB_GPR2*8)(r3)
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ld r0,(JB_LR*8)(r3)
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ld r14,((JB_GPRS+0)*8)(r3)
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lfd fp14,((JB_FPRS+0)*8)(r3)
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#if defined SHARED && !defined IS_IN_rtld
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std r2,40(r1) /* Restore the callers TOC save area. */
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#endif
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ld r15,((JB_GPRS+1)*8)(r3)
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lfd fp15,((JB_FPRS+1)*8)(r3)
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ld r16,((JB_GPRS+2)*8)(r3)
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lfd fp16,((JB_FPRS+2)*8)(r3)
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ld r17,((JB_GPRS+3)*8)(r3)
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lfd fp17,((JB_FPRS+3)*8)(r3)
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ld r18,((JB_GPRS+4)*8)(r3)
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lfd fp18,((JB_FPRS+4)*8)(r3)
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ld r19,((JB_GPRS+5)*8)(r3)
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lfd fp19,((JB_FPRS+5)*8)(r3)
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ld r20,((JB_GPRS+6)*8)(r3)
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lfd fp20,((JB_FPRS+6)*8)(r3)
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mtlr r0
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/* std r2,40(r1) Restore the TOC save area. */
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ld r21,((JB_GPRS+7)*8)(r3)
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lfd fp21,((JB_FPRS+7)*8)(r3)
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ld r22,((JB_GPRS+8)*8)(r3)
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lfd fp22,((JB_FPRS+8)*8)(r3)
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ld r0,(JB_CR*8)(r3)
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ld r23,((JB_GPRS+9)*8)(r3)
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lfd fp23,((JB_FPRS+9)*8)(r3)
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ld r24,((JB_GPRS+10)*8)(r3)
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lfd fp24,((JB_FPRS+10)*8)(r3)
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ld r25,((JB_GPRS+11)*8)(r3)
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lfd fp25,((JB_FPRS+11)*8)(r3)
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mtcrf 0xFF,r0
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ld r26,((JB_GPRS+12)*8)(r3)
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lfd fp26,((JB_FPRS+12)*8)(r3)
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ld r27,((JB_GPRS+13)*8)(r3)
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lfd fp27,((JB_FPRS+13)*8)(r3)
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ld r28,((JB_GPRS+14)*8)(r3)
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lfd fp28,((JB_FPRS+14)*8)(r3)
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ld r29,((JB_GPRS+15)*8)(r3)
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lfd fp29,((JB_FPRS+15)*8)(r3)
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ld r30,((JB_GPRS+16)*8)(r3)
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lfd fp30,((JB_FPRS+16)*8)(r3)
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ld r31,((JB_GPRS+17)*8)(r3)
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lfd fp31,((JB_FPRS+17)*8)(r3)
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mr r3,r4
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blr
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END (BP_SYM (__longjmp))
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