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syscall-m68000-netbsd.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++
- #ifndef lint
- .text
- .asciz "$Id$";
- #endif
- #include <machine/asm.h>
- #include <sys/syscall.h>
- #ifdef __STDC__
- #define IMM #
- #define SYSCALL(x) .even; ENTRY(machdep_sys_ ## x);
- movl IMM SYS_ ## x,d0; trap IMM 0; jcs err; rts
- #else /* !__STDC__ */
- #define SYSCALL(x) .even; ENTRY(machdep_sys_/**/x);
- movl #SYS_/**/x,d0; trap #0; jcs err; rts
- #endif /* !__STDC__ */
- /*
- * Initial asm stuff for all functions.
- */
- .text
- .even
- /* ==========================================================================
- * error code for all syscalls. The error value is returned as the negative
- * of the errno value.
- */
- err:
- negl d0
- rts
- /* ==========================================================================
- * machdep_sys_pipe
- */
- .even
- ENTRY(machdep_sys_pipe);
- movl #SYS_pipe,d0
- trap #0
- jcs err
- movl sp@(4),a0
- movl d0,a0@+
- movl d1,a0@
- clrl d0
- rts
- #ifndef SYS___sigsuspend14
- .even
- ENTRY(machdep_sys_sigsuspend)
- movl sp@(4),a0
- movl a0@,sp@(4)
- movl #SYS_compat_13_sigsuspend13,d0
- trap #0
- jcs err
- clrl d0
- rts
- #endif
- #ifndef SYS___sigprocmask14
- .even
- ENTRY(machdep_sys_sigprocmask)
- tstl sp@(8)
- jne gotptr
- /* movl #0,sp@(8) /* null mask pointer; block empty set */
- movl #1,sp@(4)
- jra doit
- gotptr:
- movl sp@(8),a0
- movl a0@,sp@(8)
- doit:
- movl #SYS_compat_13_sigprocmask13,d0
- trap #0
- jcs err
- tstl sp@(12)
- jeq out
- movl sp@(12),a0
- movl d0,a0@
- out:
- clrl d0
- rts
- #endif