diff options
Diffstat (limited to 'REORG.TODO/sysdeps/powerpc/powerpc64/__longjmp-common.S')
| -rw-r--r-- | REORG.TODO/sysdeps/powerpc/powerpc64/__longjmp-common.S | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/powerpc/powerpc64/__longjmp-common.S b/REORG.TODO/sysdeps/powerpc/powerpc64/__longjmp-common.S new file mode 100644 index 0000000000..efda025b41 --- /dev/null +++ b/REORG.TODO/sysdeps/powerpc/powerpc64/__longjmp-common.S @@ -0,0 +1,183 @@ +/* longjmp 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 +#define _SETJMP_H +#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 (__longjmp) + CALL_MCOUNT 2 +#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) /* 32-bit VRSAVE. */ + 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 && !IS_IN (rtld) + std r2,FRAME_TOC_SAVE(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 + /* longjmp/longjmp_target probe expects longjmp first argument (8@3), + second argument (-4@4), and target address (8@0), respectively. */ + LIBC_PROBE (longjmp, 3, 8@3, -4@4, 8@0) + mtlr r0 +/* std r2,FRAME_TOC_SAVE(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) + lwz r5,((JB_CR*8)+4)(r3) /* 32-bit CR. */ + 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,r5 + 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) + LIBC_PROBE (longjmp_target, 3, 8@3, -4@4, 8@0) + mr r3,r4 + blr +END (__longjmp) |