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| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-10-26 15:54:47 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-11-29 04:44:45 +0100 |
| commit | dfe09ae0e5fe40679af05b1ba810d469844c97b3 (patch) | |
| tree | 0131917cc3c8f7e1cb5126e43064a01d2e1cab1c /arch/alpha/kernel/entry.S | |
| parent | s390: switch to generic fork/vfork/clone (diff) | |
| download | linux-dfe09ae0e5fe40679af05b1ba810d469844c97b3.tar.xz linux-dfe09ae0e5fe40679af05b1ba810d469844c97b3.zip | |
alpha: switch to generic fork/vfork/clone
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/alpha/kernel/entry.S')
| -rw-r--r-- | arch/alpha/kernel/entry.S | 42 |
1 files changed, 11 insertions, 31 deletions
diff --git a/arch/alpha/kernel/entry.S b/arch/alpha/kernel/entry.S index c245de65c61b..f62a994ef126 100644 --- 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 |