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Move the ia32_sigtramp.S file back under amd64/. This interfaces closely

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with the sendsig code in the MD area.  It is not safe to assume that all
the register conventions will be the same.  Also, the way of producing
32 bit code (.code32 directives) in this file is amd64 specific.
This commit is contained in:
Peter Wemm 2003-12-11 01:09:51 +00:00
parent 64d85faa1c
commit f11e46c5ed
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=123424
2 changed files with 1 additions and 89 deletions
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88
sys/compat/ia32/ia32_sigtramp.S
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@ -1,88 +0,0 @@
/*-
* Copyright (c) 2003 Peter Wemm
* 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.
*
* 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.
*
* $FreeBSD$
*/
#include "opt_compat.h"
#include <machine/asmacros.h>
#include <sys/syscall.h>
#include "ia32_assym.h"
.text
.code32
/*
* Signal trampoline, copied to top of user stack
* XXX may need to be MD to match backend sendsig handoff protocol
*/
ALIGN_TEXT
.globl ia32_sigcode
ia32_sigcode:
calll *IA32_SIGF_HANDLER(%esp)
leal IA32_SIGF_UC(%esp),%eax /* get ucontext */
pushl %eax
movl IA32_UC_GS(%eax),%gs /* restore %gs */
movl IA32_UC_FS(%eax),%fs /* restore %fs */
movl IA32_UC_ES(%eax),%es /* restore %es */
movl IA32_UC_DS(%eax),%ds /* restore %ds */
movl $SYS_sigreturn,%eax
pushl %eax /* junk to fake return addr. */
int $0x80 /* enter kernel with args */
/* on stack */
1:
jmp 1b
#ifdef COMPAT_FREEBSD4
ALIGN_TEXT
freebsd4_ia32_sigcode:
calll *IA32_SIGF_HANDLER(%esp)
leal IA32_SIGF_UC4(%esp),%eax/* get ucontext */
pushl %eax
movl IA32_UC4_GS(%eax),%gs /* restore %gs */
movl IA32_UC4_FS(%eax),%fs /* restore %fs */
movl IA32_UC4_ES(%eax),%es /* restore %es */
movl IA32_UC4_DS(%eax),%ds /* restore %ds */
movl $344,%eax /* 4.x SYS_sigreturn */
pushl %eax /* junk to fake return addr. */
int $0x80 /* enter kernel with args */
/* on stack */
1:
jmp 1b
#endif
ALIGN_TEXT
esigcode:
.data
.globl sz_ia32_sigcode
sz_ia32_sigcode:
.long esigcode-ia32_sigcode
#ifdef COMPAT_FREEBSD4
.globl sz_freebsd4_ia32_sigcode
sz_freebsd4_ia32_sigcode:
.long esigcode-freebsd4_ia32_sigcode
#endif

2
sys/conf/files.amd64
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@ -116,10 +116,10 @@ pci/agp_via.c optional agp
#
amd64/ia32/ia32_exception.S optional ia32
amd64/ia32/ia32_signal.c optional ia32
amd64/ia32/ia32_sigtramp.S optional ia32
amd64/ia32/ia32_syscall.c optional ia32
compat/freebsd32/freebsd32_misc.c optional ia32
compat/freebsd32/freebsd32_syscalls.c optional ia32
compat/freebsd32/freebsd32_sysent.c optional ia32
compat/ia32/ia32_sigtramp.S optional ia32
compat/ia32/ia32_sysvec.c optional ia32
kern/imgact_elf32.c optional ia32