ptrace.S revision 1.1
11.1Sbjh21/* $NetBSD: ptrace.S,v 1.1 2000/12/29 20:14:03 bjh21 Exp $ */ 21.1Sbjh21 31.1Sbjh21/*- 41.1Sbjh21 * Copyright (c) 1990 The Regents of the University of California. 51.1Sbjh21 * All rights reserved. 61.1Sbjh21 * 71.1Sbjh21 * Redistribution and use in source and binary forms, with or without 81.1Sbjh21 * modification, are permitted provided that the following conditions 91.1Sbjh21 * are met: 101.1Sbjh21 * 1. Redistributions of source code must retain the above copyright 111.1Sbjh21 * notice, this list of conditions and the following disclaimer. 121.1Sbjh21 * 2. Redistributions in binary form must reproduce the above copyright 131.1Sbjh21 * notice, this list of conditions and the following disclaimer in the 141.1Sbjh21 * documentation and/or other materials provided with the distribution. 151.1Sbjh21 * 3. All advertising materials mentioning features or use of this software 161.1Sbjh21 * must display the following acknowledgement: 171.1Sbjh21 * This product includes software developed by the University of 181.1Sbjh21 * California, Berkeley and its contributors. 191.1Sbjh21 * 4. Neither the name of the University nor the names of its contributors 201.1Sbjh21 * may be used to endorse or promote products derived from this software 211.1Sbjh21 * without specific prior written permission. 221.1Sbjh21 * 231.1Sbjh21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 241.1Sbjh21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 251.1Sbjh21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 261.1Sbjh21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 271.1Sbjh21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 281.1Sbjh21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 291.1Sbjh21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 301.1Sbjh21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 311.1Sbjh21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 321.1Sbjh21 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 331.1Sbjh21 * SUCH DAMAGE. 341.1Sbjh21 * 351.1Sbjh21 * from: @(#)ptrace.s 5.1 (Berkeley) 4/23/90 361.1Sbjh21 */ 371.1Sbjh21 381.1Sbjh21#include "SYS.h" 391.1Sbjh21 401.1Sbjh21ENTRY(ptrace) 411.1Sbjh21#ifdef _REENTRANT 421.1Sbjh21 stmfd sp!, {r0-r3, lr} 431.1Sbjh21 bl _C_LABEL(__errno) 441.1Sbjh21 mov r1, #0x00000000 451.1Sbjh21 str r1, [r0] 461.1Sbjh21 ldmfd sp!, {r0-r3, lr} 471.1Sbjh21#else 481.1Sbjh21 stmfd sp!, {r0, r1} 491.1Sbjh21#ifdef PIC 501.1Sbjh21 /* Setup the GOT */ 511.1Sbjh21 ldr r0, got 521.1Sbjh21 add r0, pc, r0 531.1Sbjh21L1: 541.1Sbjh21 ldr r1, Lerrno 551.1Sbjh21 ldr r1, [r0, r1] 561.1Sbjh21#else 571.1Sbjh21 ldr r1, Lerrno 581.1Sbjh21#endif /* PIC */ 591.1Sbjh21 mov r0, #0x00000000 601.1Sbjh21 str r0, [r1] 611.1Sbjh21 ldmfd sp!, {r0, r1} 621.1Sbjh21#endif /* _REENTRANT */ 631.1Sbjh21 641.1Sbjh21 swi SYS_ptrace 651.1Sbjh21 bcs cerror 661.1Sbjh21#ifdef __APCS_26__ 671.1Sbjh21 movs pc, lr 681.1Sbjh21#else 691.1Sbjh21 mov pc, lr 701.1Sbjh21#endif 711.1Sbjh21 721.1Sbjh21#ifndef _REENTRANT 731.1Sbjh21#ifdef PIC 741.1Sbjh21 .align 0 751.1Sbjh21got: 761.1Sbjh21 .word __GLOBAL_OFFSET_TABLE_ + (. - (L1+4)) 771.1Sbjh21#endif /* PIC */ 781.1Sbjh21 791.1Sbjh21Lerrno: 801.1Sbjh21 .word _C_LABEL(errno) 811.1Sbjh21#endif /* !_REENTRANT */ 82