diff options
Diffstat (limited to 'libc/arch-arm/bionic/_setjmp.S')
| -rw-r--r-- | libc/arch-arm/bionic/_setjmp.S | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/libc/arch-arm/bionic/_setjmp.S b/libc/arch-arm/bionic/_setjmp.S deleted file mode 100644 index 64a0a31..0000000 --- a/libc/arch-arm/bionic/_setjmp.S +++ /dev/null @@ -1,113 +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 - * Copyright (c) 2010 Android Open Source Project. - * 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 <private/bionic_asm.h> -#include <machine/setjmp.h> -#include <machine/cpu-features.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, #(_JB_MAGIC * 4)] - - /* Store core registers */ - add r1, r0, #(_JB_CORE_BASE * 4) - stmia r1, {r4-r14} - -#ifdef __ARM_HAVE_VFP - /* Store floating-point registers */ - add r1, r0, #(_JB_FLOAT_BASE * 4) - vstmia r1, {d8-d15} - /* Store floating-point state */ - fmrx r1, fpscr - str r1, [r0, #(_JB_FLOAT_STATE * 4)] -#endif /* __ARM_HAVE_VFP */ - - mov r0, #0x00000000 - bx lr -END(_setjmp) - -.L_setjmp_magic: - .word _JB_MAGIC__SETJMP - -ENTRY(_longjmp) - ldr r2, .L_setjmp_magic - ldr r3, [r0, #(_JB_MAGIC * 4)] - teq r2, r3 - bne botch - -#ifdef __ARM_HAVE_VFP - /* Restore floating-point registers */ - add r2, r0, #(_JB_FLOAT_BASE * 4) - vldmia r2, {d8-d15} - /* Restore floating-point state */ - ldr r2, [r0, #(_JB_FLOAT_STATE * 4)] - fmxr fpscr, r2 -#endif /* __ARM_HAVE_VFP */ - - /* Restore core registers */ - add r2, r0, #(_JB_CORE_BASE * 4) - ldmia r2, {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(longjmperror, PLT) - bl PIC_SYM(abort, PLT) - b . - 8 /* Cannot get here */ -END(_longjmp) |