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3f33a4ce | 1 | /* Copyright (C) 1991, 1992, 1993, 1995 Free Software Foundation, Inc. |
28f540f4 RM |
2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Library General Public License as | |
6 | published by the Free Software Foundation; either version 2 of the | |
7 | License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Library General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Library General Public | |
15 | License along with the GNU C Library; see the file COPYING.LIB. If | |
16 | not, write to the Free Software Foundation, Inc., 675 Mass Ave, | |
17 | Cambridge, MA 02139, USA. */ | |
18 | ||
19 | #include <ansidecl.h> | |
20 | #include <errno.h> | |
21 | #include <sys/ptrace.h> | |
22 | #include <sys/types.h> | |
23 | #include <stdarg.h> | |
24 | ||
25 | /* Perform process tracing functions. REQUEST is one of the values | |
26 | in <sys/ptrace.h>, and determines the action to be taken. | |
27 | For all requests except PTRACE_TRACEME, PID specifies the process to be | |
28 | traced. | |
29 | ||
30 | PID and the other arguments described above for the various requests should | |
31 | appear (those that are used for the particular request) as: | |
32 | pid_t PID, void *ADDR, int DATA, void *ADDR2 | |
33 | after PID. */ | |
34 | int | |
35 | DEFUN(ptrace, (request), enum __ptrace_request request DOTS) | |
36 | { | |
37 | pid_t pid; | |
38 | PTR addr; | |
39 | PTR addr2; | |
40 | int data; | |
41 | va_list ap; | |
42 | ||
43 | switch (request) | |
44 | { | |
45 | case PTRACE_TRACEME: | |
46 | case PTRACE_CONT: | |
47 | case PTRACE_KILL: | |
48 | case PTRACE_SINGLESTEP: | |
49 | case PTRACE_ATTACH: | |
50 | case PTRACE_DETACH: | |
51 | break; | |
52 | ||
53 | case PTRACE_PEEKTEXT: | |
54 | case PTRACE_PEEKDATA: | |
55 | case PTRACE_PEEKUSER: | |
56 | case PTRACE_GETREGS: | |
57 | case PTRACE_SETREGS: | |
58 | #ifdef PTRACE_GETFPREGS | |
59 | case PTRACE_GETFPGEGS: | |
60 | #endif | |
61 | case PTRACE_SETFPREGS: | |
62 | case PTRACE_GETFPAREGS: | |
63 | case PTRACE_SETFPAREGS: | |
64 | va_start(ap, request); | |
65 | pid = va_arg(ap, pid_t); | |
66 | addr = va_arg(ap, PTR); | |
67 | va_end(ap); | |
68 | break; | |
69 | ||
70 | case PTRACE_POKETEXT: | |
71 | case PTRACE_POKEDATA: | |
72 | case PTRACE_POKEUSER: | |
73 | va_start(ap, request); | |
74 | pid = va_arg(ap, pid_t); | |
75 | addr = va_arg(ap, PTR); | |
76 | data = va_arg(ap, int); | |
77 | va_end(ap); | |
78 | break; | |
79 | ||
80 | case PTRACE_READDATA: | |
81 | case PTRACE_WRITEDATA: | |
82 | case PTRACE_READTEXT: | |
83 | case PTRACE_WRITETEXT: | |
84 | va_start(ap, request); | |
85 | pid = va_arg(ap, pid_t); | |
86 | addr = va_arg(ap, PTR); | |
87 | data = va_arg(ap, int); | |
88 | addr2 = va_arg(ap, PTR); | |
89 | va_end(ap); | |
90 | break; | |
91 | ||
92 | default: | |
93 | errno = EINVAL; | |
94 | return -1; | |
95 | } | |
96 | ||
97 | errno = ENOSYS; | |
98 | return -1; | |
99 | } | |
100 | ||
101 | ||
3f33a4ce | 102 | stub_warning (ptrace) |