File:
[DVB] /
dietlibc /
sparc /
clone.S
Revision
1.6:
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Thu May 15 15:17:10 2003 UTC (21 years ago) by
sanjiyan
Branches:
MAIN
CVS tags:
HEAD
- removing "<arch>/mmap.*" where no arch-specific impementation is needed.
(added "syscalls.s/mmap.S")
- fixing the vsyscall in the dynamic library... (self made problem)
- removing warning in "res_query.c"
- changing type of stream-mutex to recursive
- sparc/sparc64: shrink of the unified syscall and the special syscalls
(fork/pipe) to use the "unified_syscall_error_handler"
#include <errno.h>
#include "syscalls.h"
.text
.align 4
.weak clone
clone:
.type __clone,#function
.global __clone
__clone:
save %sp, -96, %sp
tst %i0 /* check for function pointer */
be .Lerror
tst %i1 /* check for stack pointer */
be .Lerror
nop
mov %i1, %o1 /* child-stack */
mov %i2, %o0 /* clone-flags */
mov __NR_clone, %g1
ta 0x10 /* syscall: clone */
bcs .Lerror
tst %o1
bne .Lstart /* we are the child :) */
nop
ret
restore %o0, %g0, %o0 /* return child pid */
.Lerror:
call __errno_location
mov EINVAL, %l0
st %l0, [%o0]
ret
restore %g0, -1, %o0
.Lstart:
call %i0 /* call child-function */
mov %i3, %o0 /* put arg in the right place for the child */
call _exit /* child returned */
nop
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