1 /* `ptrace' debugger support interface. Linux version. 2 Copyright (C) 1996-1999,2000,2006,2007 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <http://www.gnu.org/licenses/>. */ 18 19 #ifndef _SYS_PTRACE_H 20 #define _SYS_PTRACE_H 1 21 22 #include <features.h> 23 24 __BEGIN_DECLS 25 26 /* Type of the REQUEST argument to `ptrace.' */ 27 enum __ptrace_request 28 { 29 /* Indicate that the process making this request should be traced. 30 All signals received by this process can be intercepted by its 31 parent, and its parent can use the other `ptrace' requests. */ 32 PTRACE_TRACEME = 0, 33 #define PT_TRACE_ME PTRACE_TRACEME 34 35 /* Return the word in the process's text space at address ADDR. */ 36 PTRACE_PEEKTEXT = 1, 37 #define PT_READ_I PTRACE_PEEKTEXT 38 39 /* Return the word in the process's data space at address ADDR. */ 40 PTRACE_PEEKDATA = 2, 41 #define PT_READ_D PTRACE_PEEKDATA 42 43 /* Return the word in the process's user area at offset ADDR. */ 44 PTRACE_PEEKUSER = 3, 45 #define PT_READ_U PTRACE_PEEKUSER 46 47 /* Write the word DATA into the process's text space at address ADDR. */ 48 PTRACE_POKETEXT = 4, 49 #define PT_WRITE_I PTRACE_POKETEXT 50 51 /* Write the word DATA into the process's data space at address ADDR. */ 52 PTRACE_POKEDATA = 5, 53 #define PT_WRITE_D PTRACE_POKEDATA 54 55 /* Write the word DATA into the process's user area at offset ADDR. */ 56 PTRACE_POKEUSER = 6, 57 #define PT_WRITE_U PTRACE_POKEUSER 58 59 /* Continue the process. */ 60 PTRACE_CONT = 7, 61 #define PT_CONTINUE PTRACE_CONT 62 63 /* Kill the process. */ 64 PTRACE_KILL = 8, 65 #define PT_KILL PTRACE_KILL 66 67 /* Single step the process. 68 This is not supported on all machines. */ 69 PTRACE_SINGLESTEP = 9, 70 #define PT_STEP PTRACE_SINGLESTEP 71 72 /* Get all general purpose registers used by a processes. 73 This is not supported on all machines. */ 74 PTRACE_GETREGS = 12, 75 #define PT_GETREGS PTRACE_GETREGS 76 77 /* Set all general purpose registers used by a processes. 78 This is not supported on all machines. */ 79 PTRACE_SETREGS = 13, 80 #define PT_SETREGS PTRACE_SETREGS 81 82 /* Get all floating point registers used by a processes. 83 This is not supported on all machines. */ 84 PTRACE_GETFPREGS = 14, 85 #define PT_GETFPREGS PTRACE_GETFPREGS 86 87 /* Set all floating point registers used by a processes. 88 This is not supported on all machines. */ 89 PTRACE_SETFPREGS = 15, 90 #define PT_SETFPREGS PTRACE_SETFPREGS 91 92 /* Attach to a process that is already running. */ 93 PTRACE_ATTACH = 16, 94 #define PT_ATTACH PTRACE_ATTACH 95 96 /* Detach from a process attached to with PTRACE_ATTACH. */ 97 PTRACE_DETACH = 17, 98 #define PT_DETACH PTRACE_DETACH 99 100 /* Get all extended floating point registers used by a processes. 101 This is not supported on all machines. */ 102 PTRACE_GETFPXREGS = 18, 103 #define PT_GETFPXREGS PTRACE_GETFPXREGS 104 105 /* Set all extended floating point registers used by a processes. 106 This is not supported on all machines. */ 107 PTRACE_SETFPXREGS = 19, 108 #define PT_SETFPXREGS PTRACE_SETFPXREGS 109 110 /* Continue and stop at the next (return from) syscall. */ 111 PTRACE_SYSCALL = 24, 112 #define PT_SYSCALL PTRACE_SYSCALL 113 114 /* Set ptrace filter options. */ 115 PTRACE_SETOPTIONS = 0x4200, 116 #define PT_SETOPTIONS PTRACE_SETOPTIONS 117 118 /* Get last ptrace message. */ 119 PTRACE_GETEVENTMSG = 0x4201, 120 #define PT_GETEVENTMSG PTRACE_GETEVENTMSG 121 122 /* Get siginfo for process. */ 123 PTRACE_GETSIGINFO = 0x4202, 124 #define PT_GETSIGINFO PTRACE_GETSIGINFO 125 126 /* Set new siginfo for process. */ 127 PTRACE_SETSIGINFO = 0x4203 128 #define PT_SETSIGINFO PTRACE_SETSIGINFO 129 }; 130 131 /* Options set using PTRACE_SETOPTIONS. */ 132 enum __ptrace_setoptions { 133 PTRACE_O_TRACESYSGOOD = 0x00000001, 134 PTRACE_O_TRACEFORK = 0x00000002, 135 PTRACE_O_TRACEVFORK = 0x00000004, 136 PTRACE_O_TRACECLONE = 0x00000008, 137 PTRACE_O_TRACEEXEC = 0x00000010, 138 PTRACE_O_TRACEVFORKDONE = 0x00000020, 139 PTRACE_O_TRACEEXIT = 0x00000040, 140 PTRACE_O_MASK = 0x0000007f 141 }; 142 143 /* Wait extended result codes for the above trace options. */ 144 enum __ptrace_eventcodes { 145 PTRACE_EVENT_FORK = 1, 146 PTRACE_EVENT_VFORK = 2, 147 PTRACE_EVENT_CLONE = 3, 148 PTRACE_EVENT_EXEC = 4, 149 PTRACE_EVENT_VFORK_DONE = 5, 150 PTRACE_EVENT_EXIT = 6 151 }; 152 153 /* Perform process tracing functions. REQUEST is one of the values 154 above, and determines the action to be taken. 155 For all requests except PTRACE_TRACEME, PID specifies the process to be 156 traced. 157 158 PID and the other arguments described above for the various requests should 159 appear (those that are used for the particular request) as: 160 pid_t PID, void *ADDR, int DATA, void *ADDR2 161 after REQUEST. */ 162 extern long int ptrace (enum __ptrace_request __request, ...) __THROW; 163 164 __END_DECLS 165 166 #endif /* _SYS_PTRACE_H */ 167