diff options
Diffstat (limited to 'lib/libc/amd64')
| -rw-r--r-- | lib/libc/amd64/sys/vfork.S | 34 |
1 files changed, 10 insertions, 24 deletions
diff --git a/lib/libc/amd64/sys/vfork.S b/lib/libc/amd64/sys/vfork.S index fbba946db82f..6a1d5b9aa86d 100644 --- a/lib/libc/amd64/sys/vfork.S +++ b/lib/libc/amd64/sys/vfork.S @@ -33,12 +33,12 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: Ovfork.S,v 1.8 1998/09/12 22:03:08 dt Exp $ + * $Id: Ovfork.S,v 1.9 1998/09/13 20:32:45 luoqi Exp $ */ #if defined(SYSLIBC_RCS) && !defined(lint) .text - .asciz "$Id: Ovfork.S,v 1.8 1998/09/12 22:03:08 dt Exp $" + .asciz "$Id: Ovfork.S,v 1.9 1998/09/13 20:32:45 luoqi Exp $" #endif /* SYSLIBC_RCS and not lint */ #include "DEFS.h" @@ -60,27 +60,13 @@ ENTRY(vfork) popl %ecx /* my rta into ecx */ lea SYS_vfork,%eax KERNCALL - jb verror -vforkok: - cmpl $0,%edx /* child process? */ - jne child /* yes */ - jmp parent - - .globl CNAME(__error) - .type CNAME(__error),@function -verror: - pushl %eax -#ifdef PIC - call PIC_PLT(CNAME(__error)) -#else - call CNAME(__error) -#endif - popl %edx - movl %edx,(%eax) - movl $-1,%eax - movl $-1,%edx - jmp %ecx -child: + jb 2f + cmpl $0,%edx /* parent process? */ + je 1f /* yes */ movl $0,%eax -parent: +1: jmp %ecx +2: + pushl %ecx + PIC_PROLOGUE + jmp PIC_PLT(HIDENAME(cerror)) |