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