Ruben Ayrapetyan
630a1e8eba
JerryScript-DCO-1.0-Signed-off-by: Ruben Ayrapetyan r.ayrapetyan@samsung.com
110 lines
2.6 KiB
C
110 lines
2.6 KiB
C
/* Copyright 2014-2015 Samsung Electronics Co., Ltd.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef ASM_X86_H
|
|
#define ASM_X86_H
|
|
|
|
/*
|
|
* mov syscall_no -> %eax
|
|
* int $0x80
|
|
* mov %eax -> ret
|
|
*/
|
|
#define SYSCALL_0 \
|
|
push %edi; \
|
|
push %esi; \
|
|
push %ebx; \
|
|
mov 0x10 (%esp), %eax; \
|
|
int $0x80; \
|
|
pop %ebx; \
|
|
pop %esi; \
|
|
pop %edi; \
|
|
ret;
|
|
|
|
/*
|
|
* mov syscall_no -> %eax
|
|
* mov arg1 -> %ebx
|
|
* int $0x80
|
|
* mov %eax -> ret
|
|
*/
|
|
#define SYSCALL_1 \
|
|
push %edi; \
|
|
push %esi; \
|
|
push %ebx; \
|
|
mov 0x10 (%esp), %eax; \
|
|
mov 0x14 (%esp), %ebx; \
|
|
int $0x80; \
|
|
pop %ebx; \
|
|
pop %esi; \
|
|
pop %edi; \
|
|
ret;
|
|
|
|
/*
|
|
* mov syscall_no -> %eax
|
|
* mov arg1 -> %ebx
|
|
* mov arg2 -> %ecx
|
|
* int $0x80
|
|
* mov %eax -> ret
|
|
*/
|
|
#define SYSCALL_2 \
|
|
push %edi; \
|
|
push %esi; \
|
|
push %ebx; \
|
|
mov 0x10 (%esp), %eax; \
|
|
mov 0x14 (%esp), %ebx; \
|
|
mov 0x18 (%esp), %ecx; \
|
|
int $0x80; \
|
|
pop %ebx; \
|
|
pop %esi; \
|
|
pop %edi; \
|
|
ret;
|
|
|
|
/*
|
|
* mov syscall_no -> %eax
|
|
* mov arg1 -> %ebx
|
|
* mov arg2 -> %ecx
|
|
* mov arg3 -> %edx
|
|
* int $0x80
|
|
* mov %eax -> ret
|
|
*/
|
|
#define SYSCALL_3 \
|
|
push %edi; \
|
|
push %esi; \
|
|
push %ebx; \
|
|
mov 0x10 (%esp), %eax; \
|
|
mov 0x14 (%esp), %ebx; \
|
|
mov 0x18 (%esp), %ecx; \
|
|
mov 0x1c (%esp), %edx; \
|
|
int $0x80; \
|
|
pop %ebx; \
|
|
pop %esi; \
|
|
pop %edi; \
|
|
ret;
|
|
|
|
#define _START \
|
|
mov %esp, %eax; \
|
|
add $4, %eax; \
|
|
push %eax; \
|
|
mov 0x4 (%esp), %eax; \
|
|
push %eax; \
|
|
\
|
|
call main; \
|
|
\
|
|
push %eax; \
|
|
call exit; \
|
|
1: \
|
|
jmp 1b
|
|
|
|
#endif /* !ASM_X86_H */
|