1 files changed, 67 insertions, 0 deletions
diff --git a/arch/sparc/kernel/sunos_asm.S b/arch/sparc/kernel/sunos_asm.S
new file mode 100644
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+++ b/arch/sparc/kernel/sunos_asm.S
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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