GDB (API): /home/stan/gdb/src/gdb/common/linux-ptrace.h Source File

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00001 /* Copyright (C) 2011-2013 Free Software Foundation, Inc.
00002 
00003    This file is part of GDB.
00004 
00005    This program is free software; you can redistribute it and/or modify
00006    it under the terms of the GNU General Public License as published by
00007    the Free Software Foundation; either version 3 of the License, or
00008    (at your option) any later version.
00009 
00010    This program is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013    GNU General Public License for more details.
00014 
00015    You should have received a copy of the GNU General Public License
00016    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
00017 
00018 #ifndef COMMON_LINUX_PTRACE_H
00019 #define COMMON_LINUX_PTRACE_H
00020 
00021 struct buffer;
00022 
00023 #include <sys/ptrace.h>
00024 
00025 #ifdef __UCLIBC__
00026 #if !(defined(__UCLIBC_HAS_MMU__) || defined(__ARCH_HAS_MMU__))
00027 /* PTRACE_TEXT_ADDR and friends.  */
00028 #include <asm/ptrace.h>
00029 #define HAS_NOMMU
00030 #endif
00031 #endif
00032 
00033 #if !defined(PTRACE_TYPE_ARG3)
00034 #define PTRACE_TYPE_ARG3 void *
00035 #endif
00036 
00037 #if !defined(PTRACE_TYPE_ARG4)
00038 #define PTRACE_TYPE_ARG4 void *
00039 #endif
00040 
00041 #ifndef PTRACE_GETSIGINFO
00042 # define PTRACE_GETSIGINFO 0x4202
00043 # define PTRACE_SETSIGINFO 0x4203
00044 #endif /* PTRACE_GETSIGINF */
00045 
00046 /* If the system headers did not provide the constants, hard-code the normal
00047    values.  */
00048 #ifndef PTRACE_EVENT_FORK
00049 
00050 #define PTRACE_SETOPTIONS       0x4200
00051 #define PTRACE_GETEVENTMSG      0x4201
00052 
00053 /* options set using PTRACE_SETOPTIONS */
00054 #define PTRACE_O_TRACESYSGOOD   0x00000001
00055 #define PTRACE_O_TRACEFORK      0x00000002
00056 #define PTRACE_O_TRACEVFORK     0x00000004
00057 #define PTRACE_O_TRACECLONE     0x00000008
00058 #define PTRACE_O_TRACEEXEC      0x00000010
00059 #define PTRACE_O_TRACEVFORKDONE 0x00000020
00060 #define PTRACE_O_TRACEEXIT      0x00000040
00061 
00062 /* Wait extended result codes for the above trace options.  */
00063 #define PTRACE_EVENT_FORK       1
00064 #define PTRACE_EVENT_VFORK      2
00065 #define PTRACE_EVENT_CLONE      3
00066 #define PTRACE_EVENT_EXEC       4
00067 #define PTRACE_EVENT_VFORK_DONE 5
00068 #define PTRACE_EVENT_EXIT       6
00069 
00070 #endif /* PTRACE_EVENT_FORK */
00071 
00072 #if (defined __bfin__ || defined __frv__ || defined __sh__) \
00073     && !defined PTRACE_GETFDPIC
00074 #define PTRACE_GETFDPIC         31
00075 #define PTRACE_GETFDPIC_EXEC    0
00076 #define PTRACE_GETFDPIC_INTERP  1
00077 #endif
00078 
00079 /* We can't always assume that this flag is available, but all systems
00080    with the ptrace event handlers also have __WALL, so it's safe to use
00081    in some contexts.  */
00082 #ifndef __WALL
00083 #define __WALL          0x40000000 /* Wait for any child.  */
00084 #endif
00085 
00086 extern void linux_ptrace_attach_warnings (pid_t pid, struct buffer *buffer);
00087 extern void linux_ptrace_init_warnings (void);
00088 extern void linux_enable_event_reporting (pid_t pid);
00089 extern int linux_supports_tracefork (void);
00090 extern int linux_supports_traceclone (void);
00091 extern int linux_supports_tracevforkdone (void);
00092 extern int linux_supports_tracesysgood (void);
00093 
00094 #endif /* COMMON_LINUX_PTRACE_H */