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dff8da6b | 1 | /* Copyright (C) 1991-2024 Free Software Foundation, Inc. |
478b92f0 UD |
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 | |
41bdb6e2 AJ |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
478b92f0 UD |
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 | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
478b92f0 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
28f540f4 | 17 | |
28f540f4 RM |
18 | #include <errno.h> |
19 | #include <sys/ptrace.h> | |
20 | #include <sys/types.h> | |
21 | #include <stdarg.h> | |
22 | ||
23 | /* Perform process tracing functions. REQUEST is one of the values | |
24 | in <sys/ptrace.h>, and determines the action to be taken. | |
25 | For all requests except PTRACE_TRACEME, PID specifies the process to be | |
26 | traced. | |
27 | ||
28 | PID and the other arguments described above for the various requests should | |
29 | appear (those that are used for the particular request) as: | |
30 | pid_t PID, void *ADDR, int DATA, void *ADDR2 | |
31 | after PID. */ | |
32 | int | |
4bee4cd9 | 33 | ptrace (enum __ptrace_request request, ...) |
28f540f4 RM |
34 | { |
35 | pid_t pid; | |
c4029823 UD |
36 | void *addr; |
37 | void *addr2; | |
28f540f4 RM |
38 | int data; |
39 | va_list ap; | |
40 | ||
41 | switch (request) | |
42 | { | |
43 | case PTRACE_TRACEME: | |
44 | case PTRACE_CONT: | |
45 | case PTRACE_KILL: | |
46 | case PTRACE_SINGLESTEP: | |
47 | case PTRACE_ATTACH: | |
48 | case PTRACE_DETACH: | |
49 | break; | |
50 | ||
51 | case PTRACE_PEEKTEXT: | |
52 | case PTRACE_PEEKDATA: | |
53 | case PTRACE_PEEKUSER: | |
54 | case PTRACE_GETREGS: | |
55 | case PTRACE_SETREGS: | |
56 | #ifdef PTRACE_GETFPREGS | |
57 | case PTRACE_GETFPGEGS: | |
58 | #endif | |
59 | case PTRACE_SETFPREGS: | |
60 | case PTRACE_GETFPAREGS: | |
61 | case PTRACE_SETFPAREGS: | |
4bee4cd9 RM |
62 | va_start (ap, request); |
63 | pid = va_arg (ap, pid_t); | |
64 | addr = va_arg (ap, void *); | |
65 | va_end (ap); | |
66 | ignore_value (pid); | |
67 | ignore_value (addr); | |
28f540f4 RM |
68 | break; |
69 | ||
70 | case PTRACE_POKETEXT: | |
71 | case PTRACE_POKEDATA: | |
72 | case PTRACE_POKEUSER: | |
4bee4cd9 RM |
73 | va_start (ap, request); |
74 | pid = va_arg (ap, pid_t); | |
75 | addr = va_arg (ap, void *); | |
76 | data = va_arg (ap, int); | |
77 | va_end (ap); | |
78 | ignore_value (pid); | |
79 | ignore_value (addr); | |
80 | ignore_value (data); | |
28f540f4 RM |
81 | break; |
82 | ||
83 | case PTRACE_READDATA: | |
84 | case PTRACE_WRITEDATA: | |
85 | case PTRACE_READTEXT: | |
86 | case PTRACE_WRITETEXT: | |
4bee4cd9 RM |
87 | va_start (ap, request); |
88 | pid = va_arg (ap, pid_t); | |
89 | addr = va_arg (ap, void *); | |
90 | data = va_arg (ap, int); | |
91 | addr2 = va_arg (ap, void *); | |
92 | va_end (ap); | |
93 | ignore_value (pid); | |
94 | ignore_value (addr); | |
95 | ignore_value (data); | |
96 | ignore_value (addr2); | |
28f540f4 RM |
97 | break; |
98 | ||
99 | default: | |
c4029823 | 100 | __set_errno (EINVAL); |
28f540f4 RM |
101 | return -1; |
102 | } | |
103 | ||
c4029823 | 104 | __set_errno (ENOSYS); |
28f540f4 RM |
105 | return -1; |
106 | } | |
107 | ||
3f33a4ce | 108 | stub_warning (ptrace) |