Repair bad checkin
git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@347 7fd9a85b-ad96-42d3-883c-3090e2eb8679
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# 1 "up_setjmp.S"
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# 1 "/home/Owner/projects/nuttx/arch/sim/src//"
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# 1 "<built-in>"
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# 1 "<command line>"
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# 1 "up_setjmp.S"
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/**************************************************************************
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* up_setjmp.S
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*
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* Copyright (C) 2007 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name Gregory Nutt nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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**************************************************************************/
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/**************************************************************************
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* Conditional Compilation Options
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**************************************************************************/
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/**************************************************************************
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* Included Files
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**************************************************************************/
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#include "up_internal.h"
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/**************************************************************************
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* Private Definitions
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**************************************************************************/
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/**************************************************************************
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* Private Types
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**************************************************************************/
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/**************************************************************************
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* Private Function Prototypes
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**************************************************************************/
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/**************************************************************************
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* Global Variables
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**************************************************************************/
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/**************************************************************************
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* Private Variables
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**************************************************************************/
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/**************************************************************************
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* Private Functions
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**************************************************************************/
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/**************************************************************************
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* Public Functions
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**************************************************************************/
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.text
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.globl up_setjmp
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.type up_setjmp, @function
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up_setjmp:
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/* %ebx, %esi, %edi, and %ebp must be preserved.
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* save %ebx, $esi, and %edi now... */
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movl 4(%esp), %eax
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movl %ebx, (JB_EBX)(%eax)
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movl %esi, (JB_ESI)(%eax)
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movl %edi, (JB_EDI)(%eax)
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/* Save the value of SP as will be after we return */
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leal 4(%esp), %ecx
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movl %ecx, (JB_SP)(%eax)
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/* Save the return PC */
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movl 0(%esp), %ecx
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movl %ecx, (JB_PC)(%eax)
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/* Save the framepointer */
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movl %ebp, (JB_EBP)(%eax)
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/* And return 0 */
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xorl %eax, %eax
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ret
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.size up_setjmp, . - up_setjmp
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.globl up_longjmp
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.type up_longjmp, @function
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up_longjmp:
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movl 4(%esp), %ecx /* U_pthread_jmpbuf in %ecx. */
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movl 8(%esp), %eax /* Second argument is return value. */
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/* Save the return address now. */
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movl (JB_PC)(%ecx), %edx
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/* Restore registers. */
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movl (JB_EBX)(%ecx), %ebx
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movl (JB_ESI)(%ecx), %esi
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movl (JB_EDI)(%ecx), %edi
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movl (JB_EBP)(%ecx), %ebp
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movl (JB_SP)(%ecx), %esp
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/* Jump to saved PC. */
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jmp *%edx
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.size up_longjmp, . - up_longjmp
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