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+/* $Id: sunos_asm.S,v 1.15 2000/01/11 17:33:21 jj Exp $
+ * sunos_asm.S: SunOS system calls which must have a low-level
+ * entry point to operate correctly.
+ *
+ * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
+ *
+ * Based upon preliminary work which is:
+ *
+ * Copyright (C) 1995 Adrian M. Rodriguez (adrian@remus.rutgers.edu)
+ */
+
+#include <asm/ptrace.h>
+
+ .text
+ .align 4
+
+ /* When calling ret_sys_call, %o0 should contain the same
+ * value as in [%sp + STACKFRAME_SZ + PT_I0] */
+
+ /* SunOS getpid() returns pid in %o0 and ppid in %o1 */
+ .globl sunos_getpid
+sunos_getpid:
+ call sys_getppid
+ nop
+
+ call sys_getpid
+ st %o0, [%sp + STACKFRAME_SZ + PT_I1]
+
+ b ret_sys_call
+ st %o0, [%sp + STACKFRAME_SZ + PT_I0]
+
+ /* SunOS getuid() returns uid in %o0 and euid in %o1 */
+ .globl sunos_getuid
+sunos_getuid:
+ call sys_geteuid16
+ nop
+
+ call sys_getuid16
+ st %o0, [%sp + STACKFRAME_SZ + PT_I1]
+
+ b ret_sys_call
+ st %o0, [%sp + STACKFRAME_SZ + PT_I0]
+
+ /* SunOS getgid() returns gid in %o0 and egid in %o1 */
+ .globl sunos_getgid
+sunos_getgid:
+ call sys_getegid16
+ nop
+
+ call sys_getgid16
+ st %o0, [%sp + STACKFRAME_SZ + PT_I1]
+
+ b ret_sys_call
+ st %o0, [%sp + STACKFRAME_SZ + PT_I0]
+
+ /* SunOS's execv() call only specifies the argv argument, the
+ * environment settings are the same as the calling processes.
+ */
+ .globl sunos_execv
+sunos_execv:
+ st %g0, [%sp + STACKFRAME_SZ + PT_I2]
+
+ call sparc_execve
+ add %sp, STACKFRAME_SZ, %o0
+
+ b ret_sys_call
+ ld [%sp + STACKFRAME_SZ + PT_I0], %o0