diff options
Diffstat (limited to 'examples/standalone/ppc_setjmp.S')
| -rw-r--r-- | examples/standalone/ppc_setjmp.S | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/examples/standalone/ppc_setjmp.S b/examples/standalone/ppc_setjmp.S new file mode 100644 index 0000000000..421abfd6eb --- /dev/null +++ b/examples/standalone/ppc_setjmp.S @@ -0,0 +1,83 @@ +/* setjmp 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 + +.globl setctxsp; +setctxsp: + mr r1, r3 + blr + +.globl ppc_setjmp; +ppc_setjmp: + stw r1,(JB_GPR1*4)(3) + mflr r0 + stw r2,(JB_GPR2*4)(3) + stw r14,((JB_GPRS+0)*4)(3) +FP( stfd 14,((JB_FPRS+0*2)*4)(3)) + stw r0,(JB_LR*4)(3) + stw r15,((JB_GPRS+1)*4)(3) +FP( stfd 15,((JB_FPRS+1*2)*4)(3)) + mfcr r0 + stw r16,((JB_GPRS+2)*4)(3) +FP( stfd 16,((JB_FPRS+2*2)*4)(3)) + stw r0,(JB_CR*4)(3) + stw r17,((JB_GPRS+3)*4)(3) +FP( stfd 17,((JB_FPRS+3*2)*4)(3)) + stw r18,((JB_GPRS+4)*4)(3) +FP( stfd 18,((JB_FPRS+4*2)*4)(3)) + stw r19,((JB_GPRS+5)*4)(3) +FP( stfd 19,((JB_FPRS+5*2)*4)(3)) + stw r20,((JB_GPRS+6)*4)(3) +FP( stfd 20,((JB_FPRS+6*2)*4)(3)) + stw r21,((JB_GPRS+7)*4)(3) +FP( stfd 21,((JB_FPRS+7*2)*4)(3)) + stw r22,((JB_GPRS+8)*4)(3) +FP( stfd 22,((JB_FPRS+8*2)*4)(3)) + stw r23,((JB_GPRS+9)*4)(3) +FP( stfd 23,((JB_FPRS+9*2)*4)(3)) + stw r24,((JB_GPRS+10)*4)(3) +FP( stfd 24,((JB_FPRS+10*2)*4)(3)) + stw r25,((JB_GPRS+11)*4)(3) +FP( stfd 25,((JB_FPRS+11*2)*4)(3)) + stw r26,((JB_GPRS+12)*4)(3) +FP( stfd 26,((JB_FPRS+12*2)*4)(3)) + stw r27,((JB_GPRS+13)*4)(3) +FP( stfd 27,((JB_FPRS+13*2)*4)(3)) + stw r28,((JB_GPRS+14)*4)(3) +FP( stfd 28,((JB_FPRS+14*2)*4)(3)) + stw r29,((JB_GPRS+15)*4)(3) +FP( stfd 29,((JB_FPRS+15*2)*4)(3)) + stw r30,((JB_GPRS+16)*4)(3) +FP( stfd 30,((JB_FPRS+16*2)*4)(3)) + stw r31,((JB_GPRS+17)*4)(3) +FP( stfd 31,((JB_FPRS+17*2)*4)(3)) + + li 3, 0 + blr |