diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc64/setjmp-common.S')
-rw-r--r-- | sysdeps/powerpc/powerpc64/setjmp-common.S | 245 |
1 files changed, 0 insertions, 245 deletions
diff --git a/sysdeps/powerpc/powerpc64/setjmp-common.S b/sysdeps/powerpc/powerpc64/setjmp-common.S deleted file mode 100644 index 20f6cf364c..0000000000 --- a/sysdeps/powerpc/powerpc64/setjmp-common.S +++ /dev/null @@ -1,245 +0,0 @@ -/* setjmp for PowerPC64. - Copyright (C) 1995-2017 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, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> -#include <stap-probe.h> -#define _ASM -#ifdef __NO_VMX__ -#include <novmxsetjmp.h> -#else -#include <jmpbuf-offsets.h> -#endif - -#ifndef __NO_VMX__ - .section ".toc","aw" -.LC__dl_hwcap: -# ifdef SHARED -# if IS_IN (rtld) - /* Inside ld.so we use the local alias to avoid runtime GOT - relocations. */ - .tc _rtld_local_ro[TC],_rtld_local_ro -# else - .tc _rtld_global_ro[TC],_rtld_global_ro -# endif -# else - .tc _dl_hwcap[TC],_dl_hwcap -# endif - .section ".text" -#endif - - .machine "altivec" -ENTRY (setjmp_symbol) - CALL_MCOUNT 1 - li r4,1 /* Set second argument to 1. */ - b JUMPTARGET (GLUE(__sigsetjmp_symbol,_ent)) -END (setjmp_symbol) - -#if defined SHARED && !IS_IN (rtld) && !defined __NO_VMX__ -/* When called from within libc we need a special version of _setjmp - that saves r2 since the call won't go via a plt call stub. See - bugz #269. __GI__setjmp is used in csu/libc-start.c when - HAVE_CLEANUP_JMP_BUF is defined. */ -ENTRY (__GI__setjmp) - std r2,FRAME_TOC_SAVE(r1) /* Save the callers TOC in the save area. */ - CALL_MCOUNT 1 - li r4,0 /* Set second argument to 0. */ - b JUMPTARGET (GLUE(__sigsetjmp_symbol,_ent)) -END (__GI__setjmp) -#endif - -ENTRY (_setjmp_symbol) - CALL_MCOUNT 1 - li r4,0 /* Set second argument to 0. */ - b JUMPTARGET (GLUE(__sigsetjmp_symbol,_ent)) -END (_setjmp_symbol) -libc_hidden_def (_setjmp_symbol) - -ENTRY (__sigsetjmp_symbol) - CALL_MCOUNT 2 -JUMPTARGET(GLUE(__sigsetjmp_symbol,_ent)): -#ifdef PTR_MANGLE - mr r5, r1 - PTR_MANGLE (r5, r6) - std r5,(JB_GPR1*8)(3) -#else - std r1,(JB_GPR1*8)(3) -#endif - mflr r0 -#if defined SHARED && !IS_IN (rtld) - ld r5,FRAME_TOC_SAVE(r1) /* Retrieve the callers TOC. */ - std r5,(JB_GPR2*8)(3) -#else - std r2,(JB_GPR2*8)(3) -#endif - /* setjmp probe expects longjmp first argument (8@3), second argument - (-4@4), and target address (8@0), respectively. */ - LIBC_PROBE (setjmp, 3, 8@3, -4@4, 8@0) - std r14,((JB_GPRS+0)*8)(3) - stfd fp14,((JB_FPRS+0)*8)(3) -#ifdef PTR_MANGLE - PTR_MANGLE2 (r0, r6) -#endif - 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) - stw r0,((JB_CR*8)+4)(3) /* 32-bit CR. */ - 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 r6,.LC__dl_hwcap@toc(r2) -# ifdef SHARED - /* Load _rtld-global._dl_hwcap. */ - ld r6,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET(r6) -# else - ld r6,0(r6) /* Load extern _dl_hwcap. */ -# endif - andis. r6,r6,(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) /* 32-bit VRSAVE. */ - addi r6,r5,16 - beq+ L(aligned_save_vmx) - - lvsr v0,0,r5 - lvsl v1,0,r5 - addi r6,r5,-16 - -# define save_misaligned_vmx(savevr,prevvr,shiftvr,tmpvr,savegpr,addgpr) \ - addi addgpr,addgpr,32; \ - vperm tmpvr,prevvr,savevr,shiftvr; \ - stvx tmpvr,0,savegpr - - /* - * We have to be careful not to corrupt the data below v20 and - * above v31. To keep things simple we just rotate both ends in - * the opposite direction to our main permute so we can use - * the common macro. - */ - - /* load and rotate data below v20 */ - lvx v2,0,r5 - vperm v2,v2,v2,v1 - save_misaligned_vmx(v20,v2,v0,v3,r5,r6) - save_misaligned_vmx(v21,v20,v0,v3,r6,r5) - save_misaligned_vmx(v22,v21,v0,v3,r5,r6) - save_misaligned_vmx(v23,v22,v0,v3,r6,r5) - save_misaligned_vmx(v24,v23,v0,v3,r5,r6) - save_misaligned_vmx(v25,v24,v0,v3,r6,r5) - save_misaligned_vmx(v26,v25,v0,v3,r5,r6) - save_misaligned_vmx(v27,v26,v0,v3,r6,r5) - save_misaligned_vmx(v28,v27,v0,v3,r5,r6) - save_misaligned_vmx(v29,v28,v0,v3,r6,r5) - save_misaligned_vmx(v30,v29,v0,v3,r5,r6) - save_misaligned_vmx(v31,v30,v0,v3,r6,r5) - /* load and rotate data above v31 */ - lvx v2,0,r6 - vperm v2,v2,v2,v1 - save_misaligned_vmx(v2,v31,v0,v3,r5,r6) - - 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): -#else - li r6,0 -#endif -#if IS_IN (rtld) - li r3,0 - blr -#elif defined SHARED - b JUMPTARGET (__sigjmp_save_symbol) -#else - mflr r0 - std r0,FRAME_LR_SAVE(r1) - stdu r1,-FRAME_MIN_SIZE(r1) - cfi_adjust_cfa_offset(FRAME_MIN_SIZE) - cfi_offset(lr,FRAME_LR_SAVE) - bl JUMPTARGET (__sigjmp_save_symbol) - nop - ld r0,FRAME_MIN_SIZE+FRAME_LR_SAVE(r1) - addi r1,r1,FRAME_MIN_SIZE - mtlr r0 - blr -#endif -END (__sigsetjmp_symbol) - -#if defined SHARED && !IS_IN (rtld) && !defined __NO_VMX__ -/* When called from within libc we need a special version of __sigsetjmp - that saves r2 since the call won't go via a plt call stub. See - bugz #269. */ -ENTRY (__GI___sigsetjmp) - std r2,FRAME_TOC_SAVE(r1) /* Save the callers TOC in the save area. */ - CALL_MCOUNT 1 - b JUMPTARGET (GLUE(__sigsetjmp_symbol,_ent)) -END (__GI___sigsetjmp) -#endif |