syscall-template-i386-freebsd-2.0.S
上传用户:tsgydb
上传日期:2007-04-14
资源大小:10674k
文件大小:1k
源码类别:
MySQL数据库
开发平台:
Visual C++
- #include <sys/syscall.h>
- #ifdef __STDC__
- #define SYS(X) SYS_##X
- #ifdef __ELF__
- #define NAME(X) machdep_sys_##X
- #else
- #define NAME(X) _machdep_sys_##X
- #endif
- #else
- #define SYS(X) SYS_/**/X
- #ifdef __ELF__
- #define NAME(X) machdep_sys_/**/X
- #else
- #define NAME(X) _machdep_sys_/**/X
- #endif
- #endif
- #ifdef __ELF__
- #define END(X) 5: ; .type NAME(X),@function ; .size NAME(X),5b - NAME(X)
- #define KERNCALL int $0x80
- #else
- #define END(X)
- #define KERNCALL .byte 0x9a; .long 0; .word 7;
- #endif
- #define SYSCALL(x)
- .globl NAME(x);
- NAME(x):;
- movl $(SYS(x)), %eax;
- KERNCALL;
- jb 1b;
- ret;
- END(x)
- /*
- * Initial asm stuff for all functions.
- */
- .text
- .align 2
- /* ==========================================================================
- * error code for all syscalls. The error value is returned as the negative
- * of the errno value.
- */
- 1:
- neg %eax
- ret
- #define XSYSCALL(NAME) SYSCALL(NAME)
- XSYSCALL(SYSCALL_NAME)