alpha: unify the glue for sigreturn-like syscalls
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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060581c158
Коммит
8a68060cef
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@ -791,7 +791,7 @@ ret_from_kernel_thread:
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/*
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* Special system calls. Most of these are special in that they either
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* have to play switch_stack games or in some way use the pt_regs struct.
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* have to play switch_stack games.
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*/
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.macro fork_like name
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@ -812,35 +812,25 @@ fork_like fork
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fork_like vfork
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fork_like clone
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.macro sigreturn_like name
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.align 4
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.globl sys_sigreturn
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.ent sys_sigreturn
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sys_sigreturn:
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.globl sys_\name
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.ent sys_\name
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sys_\name:
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.prologue 0
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lda $9, ret_from_straced
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cmpult $26, $9, $9
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lda $sp, -SWITCH_STACK_SIZE($sp)
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jsr $26, do_sigreturn
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jsr $26, do_\name
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bne $9, 1f
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jsr $26, syscall_trace_leave
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1: br $1, undo_switch_stack
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br ret_from_sys_call
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.end sys_sigreturn
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.end sys_\name
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.endm
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.align 4
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.globl sys_rt_sigreturn
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.ent sys_rt_sigreturn
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sys_rt_sigreturn:
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.prologue 0
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lda $9, ret_from_straced
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cmpult $26, $9, $9
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lda $sp, -SWITCH_STACK_SIZE($sp)
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jsr $26, do_rt_sigreturn
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bne $9, 1f
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jsr $26, syscall_trace_leave
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1: br $1, undo_switch_stack
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br ret_from_sys_call
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.end sys_rt_sigreturn
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sigreturn_like sigreturn
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sigreturn_like rt_sigreturn
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.align 4
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.globl alpha_syscall_zero
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