diff options
Diffstat (limited to 'nuttx/arch/sim/src/up_setjmp.S')
-rw-r--r-- | nuttx/arch/sim/src/up_setjmp.S | 134 |
1 files changed, 5 insertions, 129 deletions
diff --git a/nuttx/arch/sim/src/up_setjmp.S b/nuttx/arch/sim/src/up_setjmp.S index 96b9bfee8..31b9e56c0 100644 --- a/nuttx/arch/sim/src/up_setjmp.S +++ b/nuttx/arch/sim/src/up_setjmp.S @@ -1,129 +1,5 @@ -/************************************************************************** - * up_setjmp.S - * - * Copyright (C) 2007 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <spudmonkey@racsa.co.cr> - * - * 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. Neither the name Gregory Nutt 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 COPYRIGHT HOLDERS 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 - * COPYRIGHT OWNER 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. - * - **************************************************************************/ - -/************************************************************************** - * Conditional Compilation Options - **************************************************************************/ - -/************************************************************************** - * Included Files - **************************************************************************/ - -#include "up_internal.h" - -/************************************************************************** - * Private Definitions - **************************************************************************/ - -/************************************************************************** - * Private Types - **************************************************************************/ - -/************************************************************************** - * Private Function Prototypes - **************************************************************************/ - -/************************************************************************** - * Global Variables - **************************************************************************/ - -/************************************************************************** - * Private Variables - **************************************************************************/ - -/************************************************************************** - * Private Functions - **************************************************************************/ - -/************************************************************************** - * Public Functions - **************************************************************************/ - - .text - .globl up_setjmp - .type up_setjmp, @function -up_setjmp: - - /* %ebx, %esi, %edi, and %ebp must be preserved. - * save %ebx, $esi, and %edi now... */ - - movl 4(%esp), %eax - movl %ebx, (JB_EBX)(%eax) - movl %esi, (JB_ESI)(%eax) - movl %edi, (JB_EDI)(%eax) - - /* Save the value of SP as will be after we return */ - - leal 4(%esp), %ecx - movl %ecx, (JB_SP)(%eax) - - /* Save the return PC */ - - movl 0(%esp), %ecx - movl %ecx, (JB_PC)(%eax) - - /* Save the framepointer */ - - movl %ebp, (JB_EBP)(%eax) - - /* And return 0 */ - - xorl %eax, %eax - ret - .size up_setjmp, . - up_setjmp - - .globl up_longjmp - .type up_longjmp, @function -up_longjmp: - movl 4(%esp), %ecx /* U_pthread_jmpbuf in %ecx. */ - movl 8(%esp), %eax /* Second argument is return value. */ - - /* Save the return address now. */ - - movl (JB_PC)(%ecx), %edx - - /* Restore registers. */ - - movl (JB_EBX)(%ecx), %ebx - movl (JB_ESI)(%ecx), %esi - movl (JB_EDI)(%ecx), %edi - movl (JB_EBP)(%ecx), %ebp - movl (JB_SP)(%ecx), %esp - - /* Jump to saved PC. */ - - jmp *%edx - .size up_longjmp, . - up_longjmp - +# 1 "up_setjmp.S" +# 1 "/home/Owner/projects/nuttx/arch/sim/src//" +# 1 "<built-in>" +# 1 "<command line>" +# 1 "up_setjmp.S" |