1 /* Portable <sys/ptrace.h>
3 Copyright 2004 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
25 /* The <sys/ptrace.h> header was introduced with 4.4BSD, and provided
26 the PT_* symbolic constants for the ptrace(2) request numbers. The
27 ptrace(2) prototype was added later to the same header on BSD.
28 SunOS and Linux have slightly different symbolic names for the
29 constants that start with PTRACE_*. System V still doesn't have
30 (and probably never will have) a <sys/ptrace.h> with symbolic
31 constants; the ptrace(2) prototype can be found in <unistd.h>.
32 Fortunately all systems use the same numerical constants for the
33 common ptrace requests. */
37 #elif defined(HAVE_SYS_PTRACE_H)
38 # include <sys/ptrace.h>
41 /* No need to include <unistd.h> since it's already included by
45 # define PT_READ_I 1 /* Read word in child's I space. */
49 # define PT_READ_D 2 /* Read word in child's D space. */
53 # define PT_READ_U 3 /* Read word in child's U space. */
57 # define PT_WRITE_I 4 /* Write word in child's I space. */
61 # define PT_WRITE_D 5 /* Write word in child's D space. */
65 # define PT_WRITE_U 6 /* Write word in child's U space. */
68 /* HP-UX doesn't define PT_CONTINUE and PT_STEP. Instead of those two
69 ptrace requests, it has PT_CONTIN, PT_CONTIN1, PT_SINGLE and
70 PT_SINGLE1. PT_CONTIN1 and PT_SINGLE1 preserve pending signals,
71 which apparently is what is wanted by the HP-UX native code. */
75 # define PT_CONTINUE PT_CONTIN1
77 # define PT_CONTINUE 7 /* Continue the child. */
82 # define PT_KILL 8 /* Kill the child process. */
87 # define PT_STEP PT_SINGLE1
89 # define PT_STEP 9 /* Single step the child. */
93 /* Not all systems support attaching and detaching. */
97 # define PT_ATTACH PTRACE_ATTACH
102 # ifdef PTRACE_DETACH
103 # define PT_DETACH PTRACE_DETACH
107 /* Some systems, in particular DEC OSF/1, Digital Unix, Compaq Tru64
108 or whatever it's called these days, don't provide a prototype for
109 ptrace. Provide one to silence compiler warnings. */
110 #ifndef HAVE_DECL_PTRACE
111 extern PTRACE_TYPE_RET ptrace();
114 #endif /* gdb_ptrace.h */