/* longjmp for PowerPC and PowerPC e500. Copyright (C) 1995, 1996, 1997, 1999, 2000, 2004 Free Software Foundation, Inc. e500 contributed by Aldy Hernandez <aldyh@redhat.com>. 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 <features.h> #include "ppc_asm.h" #include <jmpbuf-offsets.h> #if defined __UCLIBC_HAS_FLOATS__ && ! defined __UCLIBC_HAS_SOFT_FLOAT__ #define FP(x...) x #else #define FP(x...) #endif #if defined __CONFIG_E500__ #define LFD(reg) evldd r##reg #define STFD(reg) evstdd r##reg #else #define LFD(reg) lfd fp##reg #define STFD(reg) stfd fp##reg #endif /* __CONFIG_E500__ */ .globl __longjmp; .type __longjmp, @function; .align 2; __longjmp: lwz r1,(JB_GPR1*4)(r3) lwz r2,(JB_GPR2*4)(r3) lwz r0,(JB_LR*4)(r3) lwz r14,((JB_GPRS+0)*4)(r3) FP( LFD (14),((JB_FPRS+0*2)*4)(r3)) lwz r15,((JB_GPRS+1)*4)(r3) FP( LFD (15),((JB_FPRS+1*2)*4)(r3)) lwz r16,((JB_GPRS+2)*4)(r3) FP( LFD (16),((JB_FPRS+2*2)*4)(r3)) lwz r17,((JB_GPRS+3)*4)(r3) FP( LFD (17),((JB_FPRS+3*2)*4)(r3)) lwz r18,((JB_GPRS+4)*4)(r3) FP( LFD (18),((JB_FPRS+4*2)*4)(r3)) lwz r19,((JB_GPRS+5)*4)(r3) FP( LFD (19),((JB_FPRS+5*2)*4)(r3)) lwz r20,((JB_GPRS+6)*4)(r3) FP( LFD (20),((JB_FPRS+6*2)*4)(r3)) mtlr r0 lwz r21,((JB_GPRS+7)*4)(r3) FP( LFD (21),((JB_FPRS+7*2)*4)(r3)) lwz r22,((JB_GPRS+8)*4)(r3) FP( LFD (22),((JB_FPRS+8*2)*4)(r3)) lwz r0,(JB_CR*4)(r3) lwz r23,((JB_GPRS+9)*4)(r3) FP( LFD (23),((JB_FPRS+9*2)*4)(r3)) lwz r24,((JB_GPRS+10)*4)(r3) FP( LFD (24),((JB_FPRS+10*2)*4)(r3)) lwz r25,((JB_GPRS+11)*4)(r3) FP( LFD (25),((JB_FPRS+11*2)*4)(r3)) mtcrf 0xFF,r0 lwz r26,((JB_GPRS+12)*4)(r3) FP( LFD (26),((JB_FPRS+12*2)*4)(r3)) lwz r27,((JB_GPRS+13)*4)(r3) FP( LFD (27),((JB_FPRS+13*2)*4)(r3)) lwz r28,((JB_GPRS+14)*4)(r3) FP( LFD (28),((JB_FPRS+14*2)*4)(r3)) lwz r29,((JB_GPRS+15)*4)(r3) FP( LFD (29),((JB_FPRS+15*2)*4)(r3)) lwz r30,((JB_GPRS+16)*4)(r3) FP( LFD (30),((JB_FPRS+16*2)*4)(r3)) lwz r31,((JB_GPRS+17)*4)(r3) FP( LFD (31),((JB_FPRS+17*2)*4)(r3)) mr r3,r4 blr .size __longjmp,.-__longjmp libc_hidden_def(__longjmp)