diff options
Diffstat (limited to 'lib/libc/arch/i386/SYS.h')
| -rw-r--r-- | lib/libc/arch/i386/SYS.h | 33 |
1 files changed, 23 insertions, 10 deletions
diff --git a/lib/libc/arch/i386/SYS.h b/lib/libc/arch/i386/SYS.h index 02933b17645..a4d0fe9d6aa 100644 --- a/lib/libc/arch/i386/SYS.h +++ b/lib/libc/arch/i386/SYS.h @@ -33,7 +33,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $OpenBSD: SYS.h,v 1.8 2000/01/06 10:49:20 d Exp $ + * $OpenBSD: SYS.h,v 1.9 2001/09/20 20:52:09 millert Exp $ */ #include <machine/asm.h> @@ -88,25 +88,38 @@ int $0x80 #endif /* ! __STDC__ */ +/* perform a syscall */ +#define _SYSCALL_NOERROR(x,y) \ + SYSENTRY(x); \ + __DO_SYSCALL(y); + +#define SYSCALL_NOERROR(x) \ + _SYSCALL_NOERROR(x,x) + /* perform a syscall, set errno */ -#define SYSCALL(x) \ +#define _SYSCALL(x,y) \ .text; \ .align 2; \ 2: \ jmp PIC_PLT(cerror); \ - SYSENTRY(x); \ - __DO_SYSCALL(x); \ + _SYSCALL_NOERROR(x,y) \ jc 2b -/* perform a syscall, set errno, return */ -#define RSYSCALL(x) \ - SYSCALL(x); \ - ret +#define SYSCALL(x) \ + _SYSCALL(x,x) /* perform a syscall, return */ +#define PSEUDO_NOERROR(x,y) \ + _SYSCALL_NOERROR(x,y); \ + ret + +/* perform a syscall, set errno, return */ #define PSEUDO(x,y) \ - SYSENTRY(x); \ - __DO_SYSCALL(y); \ + _SYSCALL(x,y); \ ret +/* perform a syscall with the same name, set errno, return */ +#define RSYSCALL(x) \ + PSEUDO(x,x); + .globl cerror |