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688903eb | 1 | /* Copyright (C) 2000-2018 Free Software Foundation, Inc. |
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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 | |
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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. | |
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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. |
6d9109f5 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
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15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
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17 | |
18 | #ifndef _SYS_PROCFS_H | |
19 | #define _SYS_PROCFS_H 1 | |
20 | ||
21 | /* This is somewhat modelled after the file of the same name on SVR4 | |
22 | systems. It provides a definition of the core file format for ELF | |
23 | used on Linux. It doesn't have anything to do with the /proc file | |
24 | system, even though Linux has one. | |
25 | ||
26 | Anyway, the whole purpose of this file is for GDB and GDB only. | |
27 | Don't read too much into it. Don't use it for anything other than | |
28 | GDB unless you know what you are doing. */ | |
29 | ||
30 | #include <features.h> | |
31 | #include <sys/time.h> | |
32 | #include <sys/types.h> | |
33 | #include <sys/user.h> | |
a0386a0d | 34 | #include <sys/ucontext.h> |
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35 | |
36 | __BEGIN_DECLS | |
37 | ||
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38 | typedef greg_t elf_greg_t; |
39 | #define ELF_NGREG NGREG | |
40 | typedef gregset_t elf_gregset_t; | |
41 | typedef fpreg_t elf_fpreg_t; | |
42 | typedef fpregset_t elf_fpregset_t; | |
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43 | |
44 | /* Signal info. */ | |
45 | struct elf_siginfo | |
46 | { | |
47 | int si_signo; /* Signal number. */ | |
48 | int si_code; /* Extra code. */ | |
49 | int si_errno; /* Errno. */ | |
50 | }; | |
51 | ||
52 | ||
53 | /* Definitions to generate Intel SVR4-like core files. These mostly | |
54 | have the same names as the SVR4 types with "elf_" tacked on the | |
55 | front to prevent clashes with Linux definitions, and the typedef | |
56 | forms have been avoided. This is mostly like the SVR4 structure, | |
57 | but more Linuxy, with things that Linux does not support and which | |
58 | GDB doesn't really use excluded. */ | |
59 | ||
60 | struct elf_prstatus | |
61 | { | |
62 | struct elf_siginfo pr_info; /* Info associated with signal. */ | |
63 | short int pr_cursig; /* Current signal. */ | |
64 | unsigned long int pr_sigpend; /* Set of pending signals. */ | |
65 | unsigned long int pr_sighold; /* Set of held signals. */ | |
66 | __pid_t pr_pid; | |
67 | __pid_t pr_ppid; | |
68 | __pid_t pr_pgrp; | |
69 | __pid_t pr_sid; | |
70 | struct timeval pr_utime; /* User time. */ | |
71 | struct timeval pr_stime; /* System time. */ | |
72 | struct timeval pr_cutime; /* Cumulative user time. */ | |
73 | struct timeval pr_cstime; /* Cumulative system time. */ | |
74 | elf_gregset_t pr_reg; /* GP registers. */ | |
75 | int pr_fpvalid; /* True if math copro being used. */ | |
76 | }; | |
77 | ||
78 | ||
79 | #define ELF_PRARGSZ (80) /* Number of chars for args. */ | |
80 | ||
81 | struct elf_prpsinfo | |
82 | { | |
83 | char pr_state; /* Numeric process state. */ | |
84 | char pr_sname; /* Char for pr_state. */ | |
85 | char pr_zomb; /* Zombie. */ | |
86 | char pr_nice; /* Nice val. */ | |
87 | unsigned long int pr_flag; /* Flags. */ | |
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88 | #if __WORDSIZE == 64 |
89 | unsigned int pr_uid; | |
90 | unsigned int pr_gid; | |
91 | #else | |
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92 | unsigned short int pr_uid; |
93 | unsigned short int pr_gid; | |
7bf75551 | 94 | #endif |
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95 | int pr_pid, pr_ppid, pr_pgrp, pr_sid; |
96 | /* Lots missing */ | |
97 | char pr_fname[16]; /* Filename of executable. */ | |
98 | char pr_psargs[ELF_PRARGSZ]; /* Initial part of arg list. */ | |
99 | }; | |
100 | ||
101 | /* The rest of this file provides the types for emulation of the | |
102 | Solaris <proc_service.h> interfaces that should be implemented by | |
103 | users of libthread_db. */ | |
104 | ||
105 | /* Addresses. */ | |
106 | typedef void *psaddr_t; | |
107 | ||
108 | /* Register sets. Linux has different names. */ | |
109 | typedef elf_gregset_t prgregset_t; | |
110 | typedef elf_fpregset_t prfpregset_t; | |
111 | ||
112 | /* We don't have any differences between processes and threads, | |
113 | therefore have only one PID type. */ | |
114 | typedef __pid_t lwpid_t; | |
115 | ||
116 | /* Process status and info. In the end we do provide typedefs for them. */ | |
117 | typedef struct elf_prstatus prstatus_t; | |
118 | typedef struct elf_prpsinfo prpsinfo_t; | |
119 | ||
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120 | #if __WORDSIZE == 64 |
121 | ||
122 | /* Provide 32-bit variants so that BFD can read 32-bit | |
123 | core files. */ | |
124 | #define ELF_NGREG32 36 | |
125 | typedef unsigned int elf_greg_t32; | |
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126 | typedef elf_greg_t32 |
127 | elf_gregset_t32[ELF_NGREG32] __attribute__ ((__aligned__ (8))); | |
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128 | typedef elf_fpregset_t elf_fpregset_t32; |
129 | ||
130 | struct elf_prstatus32 | |
131 | { | |
132 | struct elf_siginfo pr_info; /* Info associated with signal. */ | |
133 | short int pr_cursig; /* Current signal. */ | |
134 | unsigned int pr_sigpend; /* Set of pending signals. */ | |
135 | unsigned int pr_sighold; /* Set of held signals. */ | |
136 | __pid_t pr_pid; | |
137 | __pid_t pr_ppid; | |
138 | __pid_t pr_pgrp; | |
139 | __pid_t pr_sid; | |
140 | struct | |
141 | { | |
142 | int tv_sec, tv_usec; | |
143 | } pr_utime, /* User time. */ | |
144 | pr_stime, /* System time. */ | |
145 | pr_cutime, /* Cumulative user time. */ | |
146 | pr_cstime; /* Cumulative system time. */ | |
147 | elf_gregset_t32 pr_reg; /* GP registers. */ | |
148 | int pr_fpvalid; /* True if math copro being used. */ | |
149 | }; | |
150 | ||
151 | struct elf_prpsinfo32 | |
152 | { | |
153 | char pr_state; /* Numeric process state. */ | |
154 | char pr_sname; /* Char for pr_state. */ | |
155 | char pr_zomb; /* Zombie. */ | |
156 | char pr_nice; /* Nice val. */ | |
157 | unsigned int pr_flag; /* Flags. */ | |
158 | unsigned short int pr_uid; | |
159 | unsigned short int pr_gid; | |
160 | int pr_pid, pr_ppid, pr_pgrp, pr_sid; | |
161 | /* Lots missing */ | |
162 | char pr_fname[16]; /* Filename of executable. */ | |
163 | char pr_psargs[ELF_PRARGSZ]; /* Initial part of arg list. */ | |
164 | }; | |
165 | ||
166 | typedef elf_gregset_t32 prgregset32_t; | |
167 | typedef elf_fpregset_t32 prfpregset32_t; | |
168 | ||
169 | typedef struct elf_prstatus32 prstatus32_t; | |
170 | typedef struct elf_prpsinfo32 prpsinfo32_t; | |
171 | ||
172 | #endif | |
173 | ||
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174 | __END_DECLS |
175 | ||
176 | #endif /* sys/procfs.h */ |