35 lines
856 B
ArmAsm
35 lines
856 B
ArmAsm
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/* $NetBSD: compat_sigprocmask13.S,v 1.2 2011/01/15 07:31:13 matt Exp $ */
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#include "SYS.h"
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#include "assym.h"
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#if defined(LIBC_SCCS)
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__RCSID("$NetBSD: compat_sigprocmask13.S,v 1.2 2011/01/15 07:31:13 matt Exp $")
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#endif
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WARN_REFERENCES(sigprocmask, \
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"warning: reference to compatibility sigprocmask(); include <signal.h> for correct reference")
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/*
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* sigprocmask(int how, sigset_t *set, sigset_t *oset)
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*/
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ENTRY(sigprocmask)
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or. %r4,%r4,%r4 # set == NULL?
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li %r6,SIG_BLOCK
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beq 1f
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lwz %r4,0(%r4) # if not, replace it in r4 with *set
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mr %r6,%r3
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1:
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mr %r3,%r6 # ... using sigprocmask(SIG_BLOCK)
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_DOSYSCALL(compat_13_sigprocmask13)
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bso 3f
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or. %r5,%r5,%r5 # check to see of oset requested
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beq 2f # if oset != NULL,
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stw %r3,0(%r5) # *oset = oldmask
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2:
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li %r3,0
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blr # in any case, return 0
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3:
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b _C_LABEL(__cerror)
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END(sigprocmask)
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