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1 | /* Definitions for PRPSINFO structures under ELF on GNU/Linux. |
2 | Copyright 2013 Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of BFD, the Binary File Descriptor library. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 3 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
19 | MA 02110-1301, USA. */ | |
20 | ||
21 | #ifndef ELF_LINUX_PSINFO_H | |
22 | #define ELF_LINUX_PSINFO_H | |
23 | ||
24 | /* The PRPSINFO structures defined below are used by most | |
25 | architectures, although some of them define their own versions | |
26 | (like e.g., PPC). */ | |
27 | ||
28 | /* External 32-bit structure for PRPSINFO. This structure is | |
29 | ABI-defined, thus we choose to use char arrays here in order to | |
30 | avoid dealing with different types in different architectures. | |
31 | ||
32 | This structure will ultimately be written in the corefile's note | |
33 | section, as the PRPSINFO. */ | |
34 | ||
35 | struct elf_external_linux_prpsinfo32 | |
36 | { | |
37 | char pr_state; /* Numeric process state. */ | |
38 | char pr_sname; /* Char for pr_state. */ | |
39 | char pr_zomb; /* Zombie. */ | |
40 | char pr_nice; /* Nice val. */ | |
41 | char pr_flag[4]; /* Flags. */ | |
42 | char pr_uid[2]; | |
43 | char pr_gid[2]; | |
44 | char pr_pid[4]; | |
45 | char pr_ppid[4]; | |
46 | char pr_pgrp[4]; | |
47 | char pr_sid[4]; | |
48 | char pr_fname[16]; /* Filename of executable. */ | |
49 | char pr_psargs[80]; /* Initial part of arg list. */ | |
50 | }; | |
51 | ||
52 | /* Helper macro to swap (properly handling endianess) things from the | |
53 | `elf_internal_linux_prpsinfo' structure to the | |
54 | `elf_external_linux_prpsinfo32' structure. | |
55 | ||
56 | Note that FROM should be a pointer, and TO should be the explicit | |
57 | type. */ | |
58 | ||
59 | #define LINUX_PRPSINFO32_SWAP_FIELDS(abfd, from, to) \ | |
60 | do \ | |
61 | { \ | |
62 | H_PUT_8 (abfd, from->pr_state, &to.pr_state); \ | |
63 | H_PUT_8 (abfd, from->pr_sname, &to.pr_sname); \ | |
64 | H_PUT_8 (abfd, from->pr_zomb, &to.pr_zomb); \ | |
65 | H_PUT_8 (abfd, from->pr_nice, &to.pr_nice); \ | |
66 | H_PUT_32 (abfd, from->pr_flag, to.pr_flag); \ | |
67 | H_PUT_16 (abfd, from->pr_uid, to.pr_uid); \ | |
68 | H_PUT_16 (abfd, from->pr_gid, to.pr_gid); \ | |
69 | H_PUT_32 (abfd, from->pr_pid, to.pr_pid); \ | |
70 | H_PUT_32 (abfd, from->pr_ppid, to.pr_ppid); \ | |
71 | H_PUT_32 (abfd, from->pr_pgrp, to.pr_pgrp); \ | |
72 | H_PUT_32 (abfd, from->pr_sid, to.pr_sid); \ | |
73 | strncpy (to.pr_fname, from->pr_fname, sizeof (to.pr_fname)); \ | |
74 | strncpy (to.pr_psargs, from->pr_psargs, sizeof (to.pr_psargs)); \ | |
75 | } while (0) | |
76 | ||
77 | /* External 64-bit structure for PRPSINFO. This structure is | |
78 | ABI-defined, thus we choose to use char arrays here in order to | |
79 | avoid dealing with different types in different architectures. | |
80 | ||
81 | This structure will ultimately be written in the corefile's note | |
82 | section, as the PRPSINFO. */ | |
83 | ||
84 | struct elf_external_linux_prpsinfo64 | |
85 | { | |
86 | char pr_state; /* Numeric process state. */ | |
87 | char pr_sname; /* Char for pr_state. */ | |
88 | char pr_zomb; /* Zombie. */ | |
89 | char pr_nice; /* Nice val. */ | |
90 | char pr_flag[8]; /* Flags. */ | |
91 | char gap[4]; | |
92 | char pr_uid[4]; | |
93 | char pr_gid[4]; | |
94 | char pr_pid[4]; | |
95 | char pr_ppid[4]; | |
96 | char pr_pgrp[4]; | |
97 | char pr_sid[4]; | |
98 | char pr_fname[16]; /* Filename of executable. */ | |
99 | char pr_psargs[80]; /* Initial part of arg list. */ | |
100 | }; | |
101 | ||
102 | /* Helper macro to swap (properly handling endianess) things from the | |
103 | `elf_internal_linux_prpsinfo' structure to the | |
104 | `elf_external_linux_prpsinfo64' structure. | |
105 | ||
106 | Note that FROM should be a pointer, and TO should be the explicit | |
107 | type. */ | |
108 | ||
109 | #define LINUX_PRPSINFO64_SWAP_FIELDS(abfd, from, to) \ | |
110 | do \ | |
111 | { \ | |
112 | H_PUT_8 (abfd, from->pr_state, &to.pr_state); \ | |
113 | H_PUT_8 (abfd, from->pr_sname, &to.pr_sname); \ | |
114 | H_PUT_8 (abfd, from->pr_zomb, &to.pr_zomb); \ | |
115 | H_PUT_8 (abfd, from->pr_nice, &to.pr_nice); \ | |
116 | H_PUT_64 (abfd, from->pr_flag, to.pr_flag); \ | |
117 | H_PUT_32 (abfd, from->pr_uid, to.pr_uid); \ | |
118 | H_PUT_32 (abfd, from->pr_gid, to.pr_gid); \ | |
119 | H_PUT_32 (abfd, from->pr_pid, to.pr_pid); \ | |
120 | H_PUT_32 (abfd, from->pr_ppid, to.pr_ppid); \ | |
121 | H_PUT_32 (abfd, from->pr_pgrp, to.pr_pgrp); \ | |
122 | H_PUT_32 (abfd, from->pr_sid, to.pr_sid); \ | |
123 | strncpy (to.pr_fname, from->pr_fname, sizeof (to.pr_fname)); \ | |
124 | strncpy (to.pr_psargs, from->pr_psargs, sizeof (to.pr_psargs)); \ | |
125 | } while (0) | |
126 | ||
127 | #endif |