alpha: switch to generic fork/vfork/clone

[sfrench/cifs-2.6.git] / arch / alpha / kernel / entry.S

diff --git a/arch/alpha/kernel/entry.S b/arch/alpha/kernel/entry.S
index c245de65c61b91a697005ca3200e4632bb9fc337..f62a994ef1263c1d9bea762371f7b797d5225cd3 100644 (file)
--- a/arch/alpha/kernel/entry.S
+++ b/arch/alpha/kernel/entry.S
@@ -612,44 +612,24 @@ ret_from_kernel_thread:
  * Special system calls.  Most of these are special in that they either
  * have to play switch_stack games or in some way use the pt_regs struct.
  */
+
+.macro fork_like name
        .align  4
-       .globl  sys_fork
-       .ent    sys_fork
-sys_fork:
+       .globl  alpha_\name
+       .ent    alpha_\name
+alpha_\name:
        .prologue 0
        bsr     $1, do_switch_stack
-       bis     $31, SIGCHLD, $16
-       mov     $31, $17
-       mov     $31, $18
-       mov     $31, $19
-       mov     $31, $20
-       jsr     $26, alpha_clone
-fork_out:
+       jsr     $26, sys_\name
        ldq     $26, 56($sp)
        lda     $sp, SWITCH_STACK_SIZE($sp)
        ret
-.end sys_fork
-
-       .align  4
-       .globl  sys_clone
-       .ent    sys_clone
-sys_clone:
-       .prologue 0
-       bsr     $1, do_switch_stack
-       /* $16, $17, $18, $19, $20 come from the user.  */
-       lda     $26, fork_out
-       jsr     $31, alpha_clone
-.end sys_clone
+.end   alpha_\name
+.endm
 
-       .align  4
-       .globl  sys_vfork
-       .ent    sys_vfork
-sys_vfork:
-       .prologue 0
-       bsr     $1, do_switch_stack
-       lda     $26, fork_out
-       jsr     $31, alpha_vfork
-.end sys_vfork
+fork_like fork
+fork_like vfork
+fork_like clone
 
        .align  4
        .globl  sys_sigreturn