87 lines
2.7 KiB
ArmAsm
87 lines
2.7 KiB
ArmAsm
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/* $NetBSD: ptrace.S,v 1.11 2003/08/07 16:42:14 agc Exp $ */
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/*-
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* the Systems Programming Group of the University of Utah Computer
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* Science Department.
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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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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 "SYS.h"
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#if defined(LIBC_SCCS) && !defined(lint)
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#if 0
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RCSID("from: @(#)ptrace.s 5.1 (Berkeley) 5/12/90")
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#else
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RCSID("$NetBSD: ptrace.S,v 1.11 2003/08/07 16:42:14 agc Exp $")
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#endif
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#endif /* LIBC_SCCS and not lint */
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#ifdef _REENTRANT
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.globl _C_LABEL(__errno)
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#else
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.globl _C_LABEL(errno)
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#endif
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ENTRY(ptrace)
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#ifdef _REENTRANT
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#if defined(PIC) && !defined(__ELF__)
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movl #_C_LABEL(_GLOBAL_OFFSET_TABLE_),%a0
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lea %pc@(0,%a0:l),%a0
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movl %a0@(_C_LABEL(__errno):l),%a0
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jsr %a0@
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#else
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jbsr PIC_PLT(_C_LABEL(__errno))
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#endif /* PIC */
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#ifndef __SVR4_ABI__
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movl %d0,%a0
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#endif
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clrl %a0@
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#else
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#ifdef PIC
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#ifdef __ELF__
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lea %pc@(_GLOBAL_OFFSET_TABLE_@GOTPC),%a0
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movl %a0@(_C_LABEL(errno)@GOT:w),%a0
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#else
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movl #_C_LABEL(_GLOBAL_OFFSET_TABLE_),%a0
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lea %pc@(0,%a0:l),%a0
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movl %a0@(_C_LABEL(errno):w),%a0
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#endif
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clrl %a0@
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#else
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clrl _C_LABEL(errno)
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#endif /* PIC */
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#endif /* _REENTRANT */
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movl #SYS_ptrace,%d0
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trap #0
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jcs err
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rts
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err:
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jra PIC_PLT(CERROR)
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