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Diffstat (limited to 'examples/standalone/ppc_longjmp.S')
| -rw-r--r-- | examples/standalone/ppc_longjmp.S | 79 | 
1 files changed, 79 insertions, 0 deletions
| diff --git a/examples/standalone/ppc_longjmp.S b/examples/standalone/ppc_longjmp.S new file mode 100644 index 000000000..5ca6f6f3d --- /dev/null +++ b/examples/standalone/ppc_longjmp.S @@ -0,0 +1,79 @@ +/* longjmp for PowerPC. +   Copyright (C) 1995, 1996, 1997, 1999, 2000 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 <ppc_asm.tmpl> + +# define JB_GPR1   0  /* Also known as the stack pointer */ +# define JB_GPR2   1 +# define JB_LR     2  /* The address we will return to */ +# define JB_GPRS   3  /* GPRs 14 through 31 are saved, 18 in total */ +# define JB_CR     21 /* Condition code registers. */ +# define JB_FPRS   22 /* FPRs 14 through 31 are saved, 18*2 words total */ +# define JB_SIZE   (58*4) + +#define FP(x...) x +#define FP(x...) x + +.globl      ppc_longjmp; + +ppc_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 |