ptrace.S revision 1.9
1 1.9 joerg /* $NetBSD: ptrace.S,v 1.9 2013/09/12 15:36:16 joerg Exp $ */ 2 1.3 christos 3 1.1 cgd /* 4 1.1 cgd * Copyright (c) 1992, 1993 5 1.1 cgd * The Regents of the University of California. All rights reserved. 6 1.1 cgd * 7 1.1 cgd * This software was developed by the Computer Systems Engineering group 8 1.1 cgd * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 9 1.1 cgd * contributed to Berkeley. 10 1.1 cgd * 11 1.1 cgd * Redistribution and use in source and binary forms, with or without 12 1.1 cgd * modification, are permitted provided that the following conditions 13 1.1 cgd * are met: 14 1.1 cgd * 1. Redistributions of source code must retain the above copyright 15 1.1 cgd * notice, this list of conditions and the following disclaimer. 16 1.1 cgd * 2. Redistributions in binary form must reproduce the above copyright 17 1.1 cgd * notice, this list of conditions and the following disclaimer in the 18 1.1 cgd * documentation and/or other materials provided with the distribution. 19 1.5 agc * 3. Neither the name of the University nor the names of its contributors 20 1.1 cgd * may be used to endorse or promote products derived from this software 21 1.1 cgd * without specific prior written permission. 22 1.1 cgd * 23 1.1 cgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 1.1 cgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 1.1 cgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 1.1 cgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 1.1 cgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 1.1 cgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 1.1 cgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 1.1 cgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 1.1 cgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 1.1 cgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 1.1 cgd * SUCH DAMAGE. 34 1.1 cgd * 35 1.1 cgd * from: Header: ptrace.s,v 1.2 91/12/20 01:59:00 leres Exp 36 1.1 cgd */ 37 1.1 cgd 38 1.3 christos #include <machine/asm.h> 39 1.3 christos #if defined(SYSLIBC_SCCS) && !defined(lint) 40 1.3 christos #if 0 41 1.1 cgd .asciz "@(#)ptrace.s 8.1 (Berkeley) 6/4/93" 42 1.3 christos #else 43 1.9 joerg RCSID("$NetBSD: ptrace.S,v 1.9 2013/09/12 15:36:16 joerg Exp $") 44 1.3 christos #endif 45 1.3 christos #endif /* SYSLIBC_SCCS and not lint */ 46 1.1 cgd 47 1.1 cgd #include "SYS.h" 48 1.1 cgd 49 1.1 cgd ENTRY(ptrace) 50 1.6 martin #ifdef _REENTRANT 51 1.6 martin save %sp, -CCFSZ, %sp 52 1.6 martin call _C_LABEL(__errno) 53 1.6 martin nop 54 1.6 martin st %g0, [%o0] 55 1.7 martin restore 56 1.6 martin #else 57 1.9 joerg #ifdef __PIC__ 58 1.2 pk PIC_PROLOGUE(%g1,%g2) 59 1.8 uwe set _C_LABEL(errno), %g2 60 1.8 uwe ld [%g1 + %g2], %g1 61 1.2 pk st %g0, [%g1] 62 1.2 pk #else 63 1.4 tv sethi %hi(_C_LABEL(errno)), %g1 64 1.4 tv st %g0, [%g1 + %lo(_C_LABEL(errno))] 65 1.2 pk #endif 66 1.6 martin #endif /* !_REENTRANT */ 67 1.1 cgd mov SYS_ptrace, %g1 68 1.1 cgd t ST_SYSCALL 69 1.1 cgd bcc 1f 70 1.6 martin nop 71 1.1 cgd ERROR() 72 1.1 cgd 1: 73 1.1 cgd retl 74 1.6 martin nop 75
Indexes created Thu Sep 25 14:09:45 GMT 2025