| 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667 |
- /* $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
|
