67 lines
1.7 KiB
ArmAsm
67 lines
1.7 KiB
ArmAsm
/* $NetBSD: _setjmp.S,v 1.2 1997/05/08 13:38:31 matthias Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1992 Helsinki University of Technology
|
|
* All Rights Reserved.
|
|
*
|
|
* Permission to use, copy, modify and distribute this software and its
|
|
* documentation is hereby granted, provided that both the copyright
|
|
* notice and this permission notice appear in all copies of the
|
|
* software, derivative works or modified versions, and any portions
|
|
* thereof, and that both notices appear in supporting documentation.
|
|
*
|
|
* HELSINKI UNIVERSITY OF TECHNOLOGY ALLOWS FREE USE OF THIS SOFTWARE IN
|
|
* ITS "AS IS" CONDITION. HELSINKI UNIVERSITY OF TECHNOLOGY DISCLAIMS ANY
|
|
* LIABILITY OF ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE
|
|
* USE OF THIS SOFTWARE.
|
|
*/
|
|
/*
|
|
* HISTORY
|
|
* 29-Apr-92 Johannes Helander (jvh) at Helsinki University of Technology
|
|
* Created.
|
|
*/
|
|
|
|
#include <machine/asm.h>
|
|
#include <machine/jmpbuf.h>
|
|
|
|
#if defined(LIBC_SCCS)
|
|
RCSID("$NetBSD: _setjmp.S,v 1.2 1997/05/08 13:38:31 matthias Exp $")
|
|
#endif
|
|
|
|
ENTRY(_setjmp)
|
|
movd 4(sp),r2 /* jmp_buf */
|
|
movd 0(sp),JMP_BUF_PC(r2) /* pc of caller */
|
|
|
|
sprd sp,JMP_BUF_SP(r2)
|
|
sprd fp,JMP_BUF_FP(r2)
|
|
sprd sb,JMP_BUF_SB(r2)
|
|
movd r3,JMP_BUF_R3(r2) /* save registers r3-r7 */
|
|
movd r4,JMP_BUF_R4(r2)
|
|
movd r5,JMP_BUF_R5(r2)
|
|
movd r6,JMP_BUF_R6(r2)
|
|
movd r7,JMP_BUF_R7(r2)
|
|
|
|
movqd 0,r0
|
|
ret 0
|
|
|
|
ENTRY(_longjmp)
|
|
movd 4(sp),r2 /* jmp_buf */
|
|
movd 8(sp),r0 /* value */
|
|
|
|
lprd sp,JMP_BUF_SP(r2)
|
|
lprd fp,JMP_BUF_FP(r2)
|
|
lprd sb,JMP_BUF_SB(r2)
|
|
movd JMP_BUF_R3(r2),r3 /* load registers r3-r7 */
|
|
movd JMP_BUF_R4(r2),r4
|
|
movd JMP_BUF_R5(r2),r5
|
|
movd JMP_BUF_R6(r2),r6
|
|
movd JMP_BUF_R7(r2),r7
|
|
|
|
movd JMP_BUF_PC(r2),0(sp) /* patch return pc */
|
|
|
|
cmpqd 0,r0
|
|
bne 0f
|
|
movqd 1,r0
|
|
0: ret 0
|
|
|