| /* 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 |
