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- /* longjmp for or1k
- Based on:
- 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; see the file COPYING.LIB. If
- not, see <http://www.gnu.org/licenses/>. */
- #include <jmpbuf-offsets.h>
- #ifdef __UCLIBC_HAS_FLOATS__
- #define FP(x...) x
- #else
- #define FP(x...)
- #endif
- .globl __longjmp;
- .type __longjmp,@function;
- .align 2;
- __longjmp:
- # l.lwz r11,(JB_SR*4)(r3)
- # l.mtspr r0,r11,SPR_SR
- l.lwz r1,((JB_GPRS+0)*4)(r3)
- l.lwz r2,((JB_GPRS+1)*4)(r3)
- /* pass through "value" to r11, then restore r4, for what it's worth" */
- #if 1
- /* if r4 is 0, something wrong, so set it to 1 */
- l.sfeqi r4, 0x0
- l.bnf 1f /* r4 != 0, longjmp value sensible */
- l.nop
- l.ori r4, r0, 0x1 /* make nonzero */
- 1:
- #endif
- l.addi r11, r4, 0
- l.lwz r4,((JB_GPRS+3)*4)(r3)
- l.lwz r5,((JB_GPRS+4)*4)(r3)
- l.lwz r6,((JB_GPRS+5)*4)(r3)
- l.lwz r7,((JB_GPRS+6)*4)(r3)
- l.lwz r8,((JB_GPRS+7)*4)(r3)
- l.lwz r9,((JB_GPRS+8)*4)(r3)
- l.lwz r10,((JB_GPRS+9)*4)(r3)
- l.lwz r12,((JB_GPRS+11)*4)(r3)
- l.lwz r13,((JB_GPRS+12)*4)(r3)
- l.lwz r14,((JB_GPRS+13)*4)(r3)
- l.lwz r15,((JB_GPRS+14)*4)(r3)
- l.lwz r16,((JB_GPRS+15)*4)(r3)
- l.lwz r17,((JB_GPRS+16)*4)(r3)
- l.lwz r18,((JB_GPRS+17)*4)(r3)
- l.lwz r19,((JB_GPRS+18)*4)(r3)
- l.lwz r20,((JB_GPRS+19)*4)(r3)
- l.lwz r21,((JB_GPRS+20)*4)(r3)
- l.lwz r22,((JB_GPRS+21)*4)(r3)
- l.lwz r23,((JB_GPRS+22)*4)(r3)
- l.lwz r24,((JB_GPRS+23)*4)(r3)
- l.lwz r25,((JB_GPRS+24)*4)(r3)
- l.lwz r26,((JB_GPRS+25)*4)(r3)
- l.lwz r27,((JB_GPRS+26)*4)(r3)
- l.lwz r28,((JB_GPRS+27)*4)(r3)
- l.lwz r29,((JB_GPRS+28)*4)(r3)
- l.lwz r30,((JB_GPRS+29)*4)(r3)
- l.lwz r31,((JB_GPRS+30)*4)(r3)
- l.jr r9
- l.nop
- .size __longjmp,.-__longjmp
- libc_hidden_def(__longjmp)
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