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[NTOSKRNL]

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Remove duplicated and incompatible implementations of setjmp / longjmp

svn path=/branches/cmake-bringup/; revision=49656
This commit is contained in:
Timo Kreuzer 2010-11-20 10:57:26 +00:00
parent eb84dde490
commit eea3ac2425
3 changed files with 2 additions and 135 deletions
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6
ntoskrnl/CMakeLists.txt
View file

@ -342,9 +342,7 @@ list(APPEND SOURCE
if(KDBG)
list(APPEND SOURCE
kdbg/i386/i386-dis.c
kdbg/i386/kdb_help.S
kdbg/i386/longjmp.S
kdbg/i386/setjmp.S)
kdbg/i386/kdb_help.S)
endif(KDBG)
elseif(ARCH MATCHES amd64)
@ -430,4 +428,4 @@ add_dependencies(ntoskrnl psdk bugcodes kernel_zw kernel_napi asm)
add_minicd_target(ntoskrnl reactos ntoskrnl.exe)
add_livecd_target(ntoskrnl reactos/system32)
add_importlib_target(ntoskrnl.spec)
add_importlib_target(ntoskrnl.spec)

70
ntoskrnl/kdbg/i386/longjmp.S
View file

@ -1,70 +0,0 @@
.file "longjmp.S"
/*
* Copyright (C) 1998, 1999, Jonathan S. Shapiro.
*
* This file is part of the EROS Operating System.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2,
* or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/*
* typedef struct {
* unsigned long ebx, esi, edi;
* unsigned long ebp;
* unsigned long sp;
* unsigned long pc;
* } jmp_buf[1];
*/
/*
* On entry, the stack to longjmp looks like:
*
* value
* ptr to jmp_buf
* return PC
*/
.globl _longjmp
_longjmp:
pushl %ebp
movl %esp,%ebp
movl 8(%ebp),%ecx /* address of jmp_buf to ecx */
movl 12(%ebp),%eax /* return value to %eax */
testl %eax,%eax
jne 1f
incl %eax /* return 1 if handed 0 */
1:
movl (%ecx),%ebx /* restore %ebx */
movl 4(%ecx),%esi /* restore %esi */
movl 8(%ecx),%edi /* restore %edi */
/*
* From this instant on we are not running in a valid frame
*/
movl 12(%ecx),%ebp /* restore %ebp */
movl 16(%ecx),%esp /* restore %esp */
/* movl 20(%ecx),%eax return PC */
/*
* Since we are abandoning the stack in any case,
* there isn't much point in doing the usual return
* discipline.
*/
jmpl *20(%ecx)

61
ntoskrnl/kdbg/i386/setjmp.S
View file

@ -1,61 +0,0 @@
.file "setjmp.S"
/*
* Copyright (C) 1998, 1999, Jonathan S. Shapiro.
*
* This file is part of the EROS Operating System.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/* #include <eros/i486/asm.h> */
/*
* typedef struct {
* unsigned long ebx, esi, edi;
* unsigned long ebp;
* unsigned long sp;
* unsigned long pc;
* } jmp_buf[1];
*/
/*
* On entry, the stack to setjmp looks like:
*
* ptr to jmp_buf
* return PC
*/
.globl _setjmp
.globl __setjmp
_setjmp:
__setjmp:
pushl %ebp
movl %esp,%ebp
movl 0x8(%ebp),%eax /* address of jmp_buf to eax */
movl %ebx,(%eax) /* save %ebx */
movl %esi,4(%eax) /* save %esi */
movl %edi,8(%eax) /* save %edi */
leal 8(%ebp),%edx /* calling proc's esp, not ours! */
movl %edx,16(%eax)
movl 4(%ebp), %edx /* save return PC */
movl %edx,20(%eax)
movl 0(%ebp),%edx /* calling proc's ebp, not ours! */
movl %edx,12(%eax)
xorl %eax,%eax /* return 0 the first time */
leave
ret