116 lines
2.4 KiB
ArmAsm
116 lines
2.4 KiB
ArmAsm
/* $FreeBSD$ */
|
|
/* from: NetBSD: setjmp.S,v 1.1 1998/01/27 15:13:12 sakamoto Exp $ */
|
|
/* from: OpenBSD: setjmp.S,v 1.2 1996/12/28 06:22:18 rahnds Exp */
|
|
/* kernel version of this file, does not have signal goop */
|
|
/* int setjmp(jmp_buf env) */
|
|
|
|
#include <machine/asm.h>
|
|
|
|
#ifdef __powerpc64__
|
|
#define LD_REG ld
|
|
#define ST_REG std
|
|
#define REGWIDTH 8
|
|
#else
|
|
#define LD_REG lwz
|
|
#define ST_REG stw
|
|
#define REGWIDTH 4
|
|
#endif
|
|
|
|
#define JMP_r1 1*REGWIDTH
|
|
#define JMP_r2 2*REGWIDTH
|
|
#define JMP_r14 3*REGWIDTH
|
|
#define JMP_r15 4*REGWIDTH
|
|
#define JMP_r16 5*REGWIDTH
|
|
#define JMP_r17 6*REGWIDTH
|
|
#define JMP_r18 7*REGWIDTH
|
|
#define JMP_r19 8*REGWIDTH
|
|
#define JMP_r20 9*REGWIDTH
|
|
#define JMP_r21 10*REGWIDTH
|
|
#define JMP_r22 11*REGWIDTH
|
|
#define JMP_r23 12*REGWIDTH
|
|
#define JMP_r24 13*REGWIDTH
|
|
#define JMP_r25 14*REGWIDTH
|
|
#define JMP_r26 15*REGWIDTH
|
|
#define JMP_r27 16*REGWIDTH
|
|
#define JMP_r28 17*REGWIDTH
|
|
#define JMP_r29 18*REGWIDTH
|
|
#define JMP_r30 19*REGWIDTH
|
|
#define JMP_r31 20*REGWIDTH
|
|
#define JMP_lr 21*REGWIDTH
|
|
#define JMP_cr 22*REGWIDTH
|
|
#define JMP_ctr 23*REGWIDTH
|
|
#define JMP_xer 24*REGWIDTH
|
|
#define JMP_sig 25*REGWIDTH
|
|
|
|
ASENTRY_NOPROF(setjmp)
|
|
ST_REG 31, JMP_r31(3)
|
|
/* r1, r2, r14-r30 */
|
|
ST_REG 1, JMP_r1 (3)
|
|
ST_REG 2, JMP_r2 (3)
|
|
ST_REG 14, JMP_r14(3)
|
|
ST_REG 15, JMP_r15(3)
|
|
ST_REG 16, JMP_r16(3)
|
|
ST_REG 17, JMP_r17(3)
|
|
ST_REG 18, JMP_r18(3)
|
|
ST_REG 19, JMP_r19(3)
|
|
ST_REG 20, JMP_r20(3)
|
|
ST_REG 21, JMP_r21(3)
|
|
ST_REG 22, JMP_r22(3)
|
|
ST_REG 23, JMP_r23(3)
|
|
ST_REG 24, JMP_r24(3)
|
|
ST_REG 25, JMP_r25(3)
|
|
ST_REG 26, JMP_r26(3)
|
|
ST_REG 27, JMP_r27(3)
|
|
ST_REG 28, JMP_r28(3)
|
|
ST_REG 29, JMP_r29(3)
|
|
ST_REG 30, JMP_r30(3)
|
|
/* cr, lr, ctr, xer */
|
|
mfcr 0
|
|
ST_REG 0, JMP_cr(3)
|
|
mflr 0
|
|
ST_REG 0, JMP_lr(3)
|
|
mfctr 0
|
|
ST_REG 0, JMP_ctr(3)
|
|
mfxer 0
|
|
ST_REG 0, JMP_xer(3)
|
|
/* f14-f31, fpscr */
|
|
li 3, 0
|
|
blr
|
|
|
|
|
|
.extern sigsetmask
|
|
ASENTRY_NOPROF(longjmp)
|
|
LD_REG 31, JMP_r31(3)
|
|
/* r1, r2, r14-r30 */
|
|
LD_REG 1, JMP_r1 (3)
|
|
LD_REG 2, JMP_r2 (3)
|
|
LD_REG 14, JMP_r14(3)
|
|
LD_REG 15, JMP_r15(3)
|
|
LD_REG 16, JMP_r16(3)
|
|
LD_REG 17, JMP_r17(3)
|
|
LD_REG 18, JMP_r18(3)
|
|
LD_REG 19, JMP_r19(3)
|
|
LD_REG 20, JMP_r20(3)
|
|
LD_REG 21, JMP_r21(3)
|
|
LD_REG 22, JMP_r22(3)
|
|
LD_REG 23, JMP_r23(3)
|
|
LD_REG 24, JMP_r24(3)
|
|
LD_REG 25, JMP_r25(3)
|
|
LD_REG 26, JMP_r26(3)
|
|
LD_REG 27, JMP_r27(3)
|
|
LD_REG 28, JMP_r28(3)
|
|
LD_REG 29, JMP_r29(3)
|
|
LD_REG 30, JMP_r30(3)
|
|
/* cr, lr, ctr, xer */
|
|
LD_REG 0, JMP_cr(3)
|
|
mtcr 0
|
|
LD_REG 0, JMP_lr(3)
|
|
mtlr 0
|
|
LD_REG 0, JMP_ctr(3)
|
|
mtctr 0
|
|
LD_REG 0, JMP_xer(3)
|
|
mtxer 0
|
|
/* f14-f31, fpscr */
|
|
mr 3, 4
|
|
blr
|