diff options
Diffstat (limited to 'lib/libc/arch/m68k/SYS.h')
| -rw-r--r-- | lib/libc/arch/m68k/SYS.h | 47 |
1 files changed, 30 insertions, 17 deletions
diff --git a/lib/libc/arch/m68k/SYS.h b/lib/libc/arch/m68k/SYS.h index 948eded4197..18cdd31a33e 100644 --- a/lib/libc/arch/m68k/SYS.h +++ b/lib/libc/arch/m68k/SYS.h @@ -34,7 +34,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $OpenBSD: SYS.h,v 1.5 2001/08/12 12:03:01 heko Exp $ + * $OpenBSD: SYS.h,v 1.6 2001/09/20 20:52:09 millert Exp $ */ #include <sys/syscall.h> @@ -56,44 +56,57 @@ # define __LABEL2(p,x) _C_LABEL(p/**/x) #endif +/* perform a syscall */ + +#define __SYSCALL_NOERROR(p,x,y) \ + __ENTRY(p,x); \ + __DO_SYSCALL(y) + /* perform a syscall, set errno */ -#define __SYSCALL(p,x) \ +#define __SYSCALL(p,x,y) \ .even; \ err: jra cerror; \ - __ENTRY(p,x); \ - __DO_SYSCALL(x); \ + __SYSCALL_NOERROR(p,x,y); \ jcs err -/* perform a syscall, set errno, return */ +/* perform a syscall, return */ -#define __RSYSCALL(p,x) __SYSCALL(p,x); rts +#define __PSEUDO_NOERROR(p,x,y) \ + __SYSCALL_NOERROR(p,x,y); \ + rts -/* perform a syscall, return */ +/* perform a syscall, set errno, return */ #define __PSEUDO(p,x,y) \ - __ENTRY(p,x); \ - __DO_SYSCALL(y); \ + __SYSCALL(p,x,y); \ rts +/* perform a syscall, set errno, return */ + +#define __RSYSCALL(p,x) __PSEUDO(p,x,x) + + #ifdef _THREAD_SAFE /* * For the thread_safe versions, we prepend _thread_sys_ to the function * name so that the 'C' wrapper can go around the real name. */ -# define SYSCALL(x) __SYSCALL(_thread_sys_,x) -# define RSYSCALL(x) __RSYSCALL(_thread_sys_,x) -# define PSEUDO(x,y) __PSEUDO(_thread_sys_,x,y) -# define SYSENTRY(x) __ENTRY(_thread_sys_,x) +# define SYSCALL(x) __SYSCALL(_thread_sys_,x) +# define RSYSCALL(x) __RSYSCALL(_thread_sys_,x) +# define PSEUDO(x,y) __PSEUDO(_thread_sys_,x,y) +# define PSEUDO_NOERROR(x,y) __PSEUDO_NOERROR(_thread_sys_,x,y) +# define SYSENTRY(x) __ENTRY(_thread_sys_,x) #else /* _THREAD_SAFE */ /* * The non-threaded library defaults to traditional syscalls where * the function name matches the syscall name. */ -# define SYSCALL(x) __SYSCALL(,x) -# define RSYSCALL(x) __RSYSCALL(,x) -# define PSEUDO(x,y) __PSEUDO(,x,y) -# define SYSENTRY(x) __ENTRY(,x) +# define SYSCALL(x) __SYSCALL(,x) +# define RSYSCALL(x) __RSYSCALL(,x) +# define PSEUDO(x,y) __PSEUDO(,x,y) +# define PSEUDO_NOERROR(x,y) __PSEUDO_NOERROR(,x,y) +# define SYSENTRY(x) __ENTRY(,x) #endif /* _THREAD_SAFE */ #define ASMSTR .asciz |