b6cbf7203b
This patch imports the unmodified current version of NetBSD libc. The NetBSD includes are in /nbsd_include, while the libc code itself is split between lib/nbsd_libc and common/lib/libc.
111 lines
2.9 KiB
ArmAsm
111 lines
2.9 KiB
ArmAsm
/* $NetBSD: ptrace.S,v 1.8 2006/01/06 20:38:01 uwe 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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* William Jolitz.
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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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* from: @(#)ptrace.s 5.1 (Berkeley) 4/23/90
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*/
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#include <machine/asm.h>
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#if defined(SYSLIBC_SCCS) && !defined(lint)
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RCSID("$NetBSD: ptrace.S,v 1.8 2006/01/06 20:38:01 uwe Exp $")
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#endif /* SYSLIBC_SCCS and not lint */
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#include "SYS.h"
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/*
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* int
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* ptrace(int request, pid_t pid, caddr_t addr, int data);
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*/
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ENTRY(ptrace)
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#ifdef _REENTRANT
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mov.l .L___errno, r1
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PIC_PROLOGUE(.L_GOT)
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sts.l pr, @-sp
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mov.l r7, @-sp
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mov.l r6, @-sp
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mov.l r5, @-sp
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1: CALL r1
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mov.l r4, @-sp
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mov.l @sp+, r4
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mov.l @sp+, r5
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mov.l @sp+, r6
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mov.l @sp+, r7
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lds.l @sp+, pr
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PIC_EPILOGUE
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#else /* ! _REENTRANT */
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#ifdef PIC
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mova .L_GOT, r0
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mov.l .L_GOT, r1
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add r0, r1
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mov.l .L_errno, r0
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mov.l @(r0, r1), r0
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#else
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mov.l .L_errno, r0
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#endif
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#endif /* ! _REENTRANT */
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mov #0, r1
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mov.l r1, @r0 /* errno = 0; */
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mov #SYS_ptrace, r0
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trapa #0x80
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bf err
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rts
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nop
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err:
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JUMP_CERROR
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.align 2
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.L_GOT:
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PIC_GOT_DATUM
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#ifdef _REENTRANT
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.global _C_LABEL(__errno)
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.L___errno:
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CALL_DATUM(_C_LABEL(__errno), 1b)
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#else /* ! _REENTRANT */
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.global _C_LABEL(errno)
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.L_errno:
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#ifdef PIC
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.long PIC_GOT(_C_LABEL(errno))
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#else
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.long _C_LABEL(errno)
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#endif
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#endif /* ! _REENTRANT */
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SET_ENTRY_SIZE(ptrace)
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