/* Portable <sys/ptrace.h> Copyright 2004, 2005 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_TRACE_ME # define PT_TRACE_ME 0 #endif #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_ATTACH # ifdef PTRACE_ATTACH # 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 /* Some systems, at least AIX and HP-UX have a ptrace with five arguments. Since we never use the fifth argument, define a ptrace macro that calls the real ptrace with the last argument set to zero. */ #ifdef PTRACE_TYPE_ARG5 # define ptrace(request, pid, addr, data) ptrace (request, pid, addr, data, 0) #endif #endif /* gdb_ptrace.h */