| /* $OpenBSD: sigsetjmp.S,v 1.2 2004/02/01 05:40:52 drahn Exp $ */ |
| /* $NetBSD: sigsetjmp.S,v 1.3 2002/08/17 19:54:30 thorpej Exp $ */ |
| |
| /* |
| * Copyright (c) 1997 Mark Brinicombe |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. All advertising materials mentioning features or use of this software |
| * must display the following acknowledgement: |
| * This product includes software developed by Mark Brinicombe |
| * 4. Neither the name of the University nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #define _ALIGN_TEXT .align 0 |
| |
| #include <machine/asm.h> |
| #include <machine/setjmp.h> |
| |
| /* |
| * C library -- sigsetjmp, siglongjmp |
| * |
| * longjmp(a,v) |
| * will generate a "return(v)" from the last call to |
| * setjmp(a, m) |
| * by restoring registers from the stack. |
| * The previous signal state is restored. |
| */ |
| |
| ENTRY(sigsetjmp) |
| teq r1, #0 |
| beq PIC_SYM(_C_LABEL(_setjmp), PLT) |
| b PIC_SYM(_C_LABEL(setjmp), PLT) |
| END(sigsetjmp) |
| |
| .L_setjmp_magic: |
| .word _JB_MAGIC__SETJMP |
| |
| ENTRY(siglongjmp) |
| ldr r2, .L_setjmp_magic |
| ldr r3, [r0] |
| teq r2, r3 |
| beq PIC_SYM(_C_LABEL(_longjmp), PLT) |
| b PIC_SYM(_C_LABEL(longjmp), PLT) |
| END(siglongjmp) |