syscall-arm32-netbsd-1.3.S
上传用户:tsgydb
上传日期:2007-04-14
资源大小:10674k
文件大小:5k
源码类别:
MySQL数据库
开发平台:
Visual C++
- /* ==== syscall.S ============================================================
- * Copyright (c) 1990 The Regents of the University of California.
- * Copyright (c) 1993 Chris Provenzano, proven@mit.edu
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * William Jolitz.
- *
- * 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. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
- *
- * Description : Machine dependent syscalls for i386/i486/i586
- *
- * 1.00 93/08/26 proven
- * -Started coding this file.
- *
- * 1.01 93/11/13 proven
- * -The functions readv() and writev() added.
- */
- #ifndef lint
- .text
- .asciz "$Id$";
- #endif
- #if defined(SYSLIBC_SCCS) && !defined(lint)
- .asciz "@(#)syscall.s 5.1 (Berkeley) 4/23/90"
- #endif /* SYSLIBC_SCCS and not lint */
- #include <machine/asm.h>
- #include <sys/syscall.h>
- /*
- * Initial asm stuff for all functions.
- */
- .text
- .align 0
- /* ==========================================================================
- * machdep_sys_fork()
- */
- .globl _C_LABEL(machdep_sys_fork);
- _C_LABEL(machdep_sys_fork):;
- swi SYS_fork
- bcs 1f
- sub r1, r1, #0x00000001
- and r0, r0, r1
- mov r15, r14
- /* ==========================================================================
- * machdep_sys_fstat()
- */
- .globl _C_LABEL(machdep_sys_fstat);
- _C_LABEL(machdep_sys_fstat):;
- swi SYS___fstat13
- bcs 1f
- mov r15, r14
- /* ==========================================================================
- * machdep_sys___syscall()
- */
- _machdep_sys___syscall:;
- swi SYS___syscall
- bcs 1f
- mov r15, r14
- #ifndef SYS___sigsuspend14
- /* ==========================================================================
- * machdep_sys_sigsuspend()
- */
- .globl _C_LABEL(machdep_sys_sigsuspend);
- _C_LABEL(machdep_sys_sigsuspend):;
- ldr r0, [r0]
- swi SYS_sigsuspend
- bcs 1f
- mov r0, #0x00000000
- mov r15, r14
- #endif
- #ifndef SYS___sigprocmask14
- /* ==========================================================================
- * machdep_sys_sigprocmask()
- */
- .globl _C_LABEL(machdep_sys_sigprocmask);
- _C_LABEL(machdep_sys_sigprocmask):;
- teq r1, #0x00000000
- moveq r0, #0x00000001
- moveq r1, #0x00000000
- ldrne r1, [r1]
- swi SYS_sigprocmask
- bcs 1f
- teq r2, #0x00000000
- strne r0, [r2]
- mov r0, #0x00000000
- mov r15, r14
- #endif
- /* ==========================================================================
- * machdep_sys_ftruncate()
- */
- .global _C_LABEL(machdep_sys_ftruncate)
- _C_LABEL(machdep_sys_ftruncate):
- mov r12, r13
- stmfd r13!, {r11, r12, r14, r15}
- sub r13, r13, #8
- stmia r13, {r1-r2}
- mov r3, #0
- sub r11, r12, #4
- mov r2, r0
- mov r1, #0
- mov r0, #201
- bl _machdep_sys___syscall
- ldmea r11, {r11, r13, r15}
- /* ==========================================================================
- * machdep_sys_lseek()
- */
- .global _C_LABEL(machdep_sys_lseek)
- _C_LABEL(machdep_sys_lseek):
- mov r12, r13
- stmfd r13!, {r11, r12, r14, r15}
- str r3, [r13, #-4]!
- sub r13, r13, #8
- stmia r13, {r1-r2}
- sub r11, r12, #4
- mov r3, #0
- mov r2, r0
- mov r1, #0
- mov r0, #SYS_lseek
- bl _machdep_sys___syscall
- ldmea r11, {r11, r13, r15}
- /* ==========================================================================
- * machdep_sys_pipe()
- */
- .globl _C_LABEL(machdep_sys_pipe);
- _C_LABEL(machdep_sys_pipe):;
- mov r2, r0
- swi SYS_pipe
- bcs 1f
- str r0, [r2, #0x0000]
- str r1, [r2, #0x0004]
- mov r0, #0x00000000
- mov r15, r14
- 1:
- rsb r0, r0, #0x00000000
- mvn r1, #0x00000000
- mov r15, r14