c837ced420
trampoline as part of the MD __sys_sigaction again. Submitted by: kib (initial versions) MFC after: 3 days
51 lines
1.7 KiB
ArmAsm
51 lines
1.7 KiB
ArmAsm
/*-
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* Copyright (c) 2002 Jake Burkholder.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <machine/asm.h>
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__FBSDID("$FreeBSD$");
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#include "SYS.h"
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WEAK_REFERENCE(__sys_sigaction, _sigaction)
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ENTRY(__sys_sigaction)
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PIC_PROLOGUE(%o3, %o4)
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SET(sigcode_installed, %o4, %o3)
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lduw [%o3], %o4
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brnz,a,pt %o4, 1f
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nop
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save %sp, -CCFSZ, %sp
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call __sparc_sigtramp_setup
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nop
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restore
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mov 1, %o4
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stw %o4, [%o3]
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1: _SYSCALL(sigaction)
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retl
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nop
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END(__sys_sigaction)
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.comm sigcode_installed, 4, 4
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