0a6a1f1d05
This brings our tree to NetBSD 7.0, as found on -current on the 10-10-2015. This updates: - LLVM to 3.6.1 - GCC to GCC 5.1 - Replace minix/commands/zdump with usr.bin/zdump - external/bsd/libelf has moved to /external/bsd/elftoolchain/ - Import ctwm - Drop sprintf from libminc Change-Id: I149836ac18e9326be9353958bab9b266efb056f0
77 lines
2.6 KiB
ArmAsm
77 lines
2.6 KiB
ArmAsm
/* $NetBSD: ptrace.S,v 1.2 2015/03/27 06:44:28 matt Exp $ */
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/*-
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. 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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* Ralph Campbell.
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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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RCSID("$NetBSD: ptrace.S,v 1.2 2015/03/27 06:44:28 matt Exp $")
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#endif /* LIBC_SCCS and not lint */
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#define XCALLFRAME_SIZ (8*SZREG)
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#define XCALLFRAME_RA (0*SZREG)
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#define XCALLFRAME_A0 (1*SZREG)
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#define XCALLFRAME_A1 (2*SZREG)
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#define XCALLFRAME_A2 (3*SZREG)
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#define XCALLFRAME_A3 (4*SZREG)
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ENTRY(ptrace)
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#ifdef _REENTRANT
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addi sp, sp, -XCALLFRAME_SIZ
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REG_S ra, XCALLFRAME_RA(sp)
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REG_S a0, XCALLFRAME_A0(sp)
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REG_S a1, XCALLFRAME_A1(sp)
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REG_S a2, XCALLFRAME_A2(sp)
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REG_S a3, XCALLFRAME_A3(sp)
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call PLT(_C_LABEL(__errno))
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INT_S zero, 0(a0)
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REG_L a3, XCALLFRAME_A3(sp)
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REG_L a2, XCALLFRAME_A2(sp)
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REG_L a1, XCALLFRAME_A1(sp)
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REG_L a0, XCALLFRAME_A0(sp)
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REG_L ra, XCALLFRAME_RA(sp)
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addi sp, sp, XCALLFRAME_SIZ
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#else
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auipc t0, %hi(_C_LABEL(errno))
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INT_S zero, %lo(_C_LABEL(errno))(t0)
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#endif
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SYSTRAP(ptrace)
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JUMP_TO_CERROR() /* error */
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ret /* success */
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END(ptrace)
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