entered into RCS

This commit is contained in:
Roland McGrath 1993-04-09 00:56:41 +00:00
parent aac1dda057
commit aa809aac6f

View File

@ -17,31 +17,21 @@ License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <sysdeps/unix/sysdep.h>
#include <sysdeps/unix/i386/sysdep.h>
/* Get the symbols for system call interrupts. */
#include <machine/trap.h>
#ifdef __STDC__
#define ENTRY(name) \
.globl _##name; \
.align 4; \
_##name##:
#else
#define ENTRY(name) \
.globl _/**/name; \
.align 4; \
_/**/name/**/:
#endif
/* Use the BSD versions of system calls, by setting the high 16 bits
of the syscall number (see /usr/include/syscall.h). */
#define SYS_HANDLER SYS_bsd##0000
#define SYS_HANDLER (SYS_bsd << 16)
/* Dynix uses an interrupt interface to system calls.
"int $T_SVCn" are syscall interfaces for 0-6 arg functions.
(see /usr/include/machine/trap.h). */
#undef DO_CALL
#ifdef __STDC__
#define DO_CALL(syscall_name, args) \
movl $(SYS_HANDLER | SYS_##syscall_name), %eax; \
@ -52,6 +42,7 @@ Cambridge, MA 02139, USA. */
int $T_SVC/**/args;
#endif
#undef PSEUDO
#define PSEUDO(name, syscall_name, args) \
.text; \
.globl syscall_error; \
@ -81,7 +72,7 @@ Cambridge, MA 02139, USA. */
/* Dynix reverses %ecx and %edx relative to most i386 Unices. */
#define r0 %eax /* Normal return-value register. */
#undef r1
#define r1 %ecx /* Secondary return-value register. */
#undef scratch
#define scratch %edx /* Call-clobbered register for random use. */
#define MOVE(x,y) movl x, y