diff options
Diffstat (limited to 'libc/arch-arm/bionic/_setjmp.S')
| -rw-r--r-- | libc/arch-arm/bionic/_setjmp.S | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/libc/arch-arm/bionic/_setjmp.S b/libc/arch-arm/bionic/_setjmp.S deleted file mode 100644 index 6a27af2..0000000 --- a/libc/arch-arm/bionic/_setjmp.S +++ /dev/null @@ -1,106 +0,0 @@ -/* $OpenBSD: _setjmp.S,v 1.2 2004/02/01 05:40:52 drahn Exp $ */ -/* $NetBSD: _setjmp.S,v 1.5 2003/04/05 23:08:51 bjh21 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. - */ - -#include <machine/asm.h> -#include <machine/setjmp.h> - -/* - * C library -- _setjmp, _longjmp - * - * _longjmp(a,v) - * will generate a "return(v)" from the last call to - * _setjmp(a) - * by restoring registers from the stack. - * The previous signal state is NOT restored. - * - * Note: r0 is the return value - * r1-r3 are scratch registers in functions - */ - -ENTRY(_setjmp) - ldr r1, .L_setjmp_magic - str r1, [r0], #4 -#ifdef SOFTFLOAT - add r0, r0, #52 -#else - /* Store fp registers */ - sfm f4, 4, [r0], #48 - /* Store fpsr */ - rfs r1 - str r1, [r0], #0x0004 -#endif /* SOFTFLOAT */ - /* Store integer registers */ - stmia r0, {r4-r14} - - mov r0, #0x00000000 - bx lr - -.L_setjmp_magic: - .word _JB_MAGIC__SETJMP - -ENTRY(_longjmp) - ldr r2, .L_setjmp_magic - ldr r3, [r0], #4 - teq r2, r3 - bne botch - -#ifdef SOFTFLOAT - add r0, r0, #52 -#else - /* Restore fp registers */ - lfm f4, 4, [r0], #48 - /* Restore fpsr */ - ldr r4, [r0], #0x0004 - wfs r4 -#endif /* SOFTFLOAT */ - /* Restore integer registers */ - ldmia r0, {r4-r14} - - /* Validate sp and r14 */ - teq sp, #0 - teqne r14, #0 - beq botch - - /* Set return value */ - mov r0, r1 - teq r0, #0x00000000 - moveq r0, #0x00000001 - bx lr - - /* validation failed, die die die. */ -botch: - bl PIC_SYM(_C_LABEL(longjmperror), PLT) - bl PIC_SYM(_C_LABEL(abort), PLT) - b . - 8 /* Cannot get here */ |