1 /* Copyright (C) 2006-2023 Free Software Foundation, Inc.
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 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.
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 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
17 MA 02110-1301, USA. */
18
19 /* This is somewhat modelled after the file of the same name on SVR4
20 systems. It provides a definition of the core file format for ELF
21 used on Linux. It doesn't have anything to do with the /proc file
22 system, even though Linux has one.
23
24 Anyway, the whole purpose of this file is for GDB and GDB only.
25 Don't read too much into it. Don't use it for anything other than
26 GDB unless you know what you are doing. */
27
28 #include <features.h>
29 #include <sys/time.h>
30 #include <sys/types.h>
31
32 /* We define here only the symbols differing from their 64-bit variant. */
33 #include <sys/procfs.h>
34 #include <stdint.h>
35
36 /* Unsigned 64-bit integer aligned to 8 bytes. */
37 typedef uint64_t __attribute__ ((__aligned__ (8))) a8_uint64_t;
38
39 #undef HAVE_PRPSINFO32_T
40 #define HAVE_PRPSINFO32_T
41 #undef HAVE_PRPSINFO32_T_PR_PID
42 #define HAVE_PRPSINFO32_T_PR_PID
43
44 #undef HAVE_PRSTATUS32_T
45 #define HAVE_PRSTATUS32_T
46
47 /* These are the 32-bit x86 structures. */
48
49 struct user_regs32_struct
50 {
51 int32_t ebx;
52 int32_t ecx;
53 int32_t edx;
54 int32_t esi;
55 int32_t edi;
56 int32_t ebp;
57 int32_t eax;
58 int32_t xds;
59 int32_t xes;
60 int32_t xfs;
61 int32_t xgs;
62 int32_t orig_eax;
63 int32_t eip;
64 int32_t xcs;
65 int32_t eflags;
66 int32_t esp;
67 int32_t xss;
68 };
69
70 struct user_regs64_struct
71 {
72 a8_uint64_t r15;
73 a8_uint64_t r14;
74 a8_uint64_t r13;
75 a8_uint64_t r12;
76 a8_uint64_t rbp;
77 a8_uint64_t rbx;
78 a8_uint64_t r11;
79 a8_uint64_t r10;
80 a8_uint64_t r9;
81 a8_uint64_t r8;
82 a8_uint64_t rax;
83 a8_uint64_t rcx;
84 a8_uint64_t rdx;
85 a8_uint64_t rsi;
86 a8_uint64_t rdi;
87 a8_uint64_t orig_rax;
88 a8_uint64_t rip;
89 a8_uint64_t cs;
90 a8_uint64_t eflags;
91 a8_uint64_t rsp;
92 a8_uint64_t ss;
93 a8_uint64_t fs_base;
94 a8_uint64_t gs_base;
95 a8_uint64_t ds;
96 a8_uint64_t es;
97 a8_uint64_t fs;
98 a8_uint64_t gs;
99 };
100
101 /* Type for a general-purpose register. */
102 typedef uint32_t elf_greg32_t;
103 typedef a8_uint64_t elf_greg64_t;
104
105 /* And the whole bunch of them. We could have used `struct
106 user_regs_struct' directly in the typedef, but tradition says that
107 the register set is an array, which does have some peculiar
108 semantics, so leave it that way. */
109 #define ELF_NGREG32 (sizeof (struct user_regs32_struct) / sizeof(elf_greg32_t))
110 typedef elf_greg32_t elf_gregset32_t[ELF_NGREG32];
111 #define ELF_NGREG64 (sizeof (struct user_regs64_struct) / sizeof(elf_greg64_t))
112 typedef elf_greg64_t elf_gregset64_t[ELF_NGREG64];
113
114 /* Definitions to generate Intel SVR4-like core files. These mostly
115 have the same names as the SVR4 types with "elf_" tacked on the
116 front to prevent clashes with Linux definitions, and the typedef
117 forms have been avoided. This is mostly like the SVR4 structure,
118 but more Linuxy, with things that Linux does not support and which
119 GDB doesn't really use excluded. */
120
121 struct prstatus32_timeval
122 {
123 int tv_sec;
124 int tv_usec;
125 };
126
127 struct prstatus64_timeval
128 {
129 a8_uint64_t tv_sec;
130 a8_uint64_t tv_usec;
131 };
132
133 struct elf_prstatus32
134 {
135 struct elf_siginfo pr_info; /* Info associated with signal. */
136 short int pr_cursig; /* Current signal. */
137 unsigned int pr_sigpend; /* Set of pending signals. */
138 unsigned int pr_sighold; /* Set of held signals. */
139 pid_t pr_pid;
140 pid_t pr_ppid;
141 pid_t pr_pgrp;
142 pid_t pr_sid;
143 struct prstatus32_timeval pr_utime; /* User time. */
144 struct prstatus32_timeval pr_stime; /* System time. */
145 struct prstatus32_timeval pr_cutime; /* Cumulative user time. */
146 struct prstatus32_timeval pr_cstime; /* Cumulative system time. */
147 elf_gregset32_t pr_reg; /* GP registers. */
148 int pr_fpvalid; /* True if math copro being used. */
149 };
150
151 struct elf_prstatusx32
152 {
153 struct elf_siginfo pr_info; /* Info associated with signal. */
154 short int pr_cursig; /* Current signal. */
155 unsigned int pr_sigpend; /* Set of pending signals. */
156 unsigned int pr_sighold; /* Set of held signals. */
157 pid_t pr_pid;
158 pid_t pr_ppid;
159 pid_t pr_pgrp;
160 pid_t pr_sid;
161 struct prstatus32_timeval pr_utime; /* User time. */
162 struct prstatus32_timeval pr_stime; /* System time. */
163 struct prstatus32_timeval pr_cutime; /* Cumulative user time. */
164 struct prstatus32_timeval pr_cstime; /* Cumulative system time. */
165 elf_gregset64_t pr_reg; /* GP registers. */
166 int pr_fpvalid; /* True if math copro being used. */
167 };
168
169 struct elf_prstatus64
170 {
171 struct elf_siginfo pr_info; /* Info associated with signal. */
172 short int pr_cursig; /* Current signal. */
173 a8_uint64_t pr_sigpend; /* Set of pending signals. */
174 a8_uint64_t pr_sighold; /* Set of held signals. */
175 pid_t pr_pid;
176 pid_t pr_ppid;
177 pid_t pr_pgrp;
178 pid_t pr_sid;
179 struct prstatus64_timeval pr_utime; /* User time. */
180 struct prstatus64_timeval pr_stime; /* System time. */
181 struct prstatus64_timeval pr_cutime; /* Cumulative user time. */
182 struct prstatus64_timeval pr_cstime; /* Cumulative system time. */
183 elf_gregset64_t pr_reg; /* GP registers. */
184 int pr_fpvalid; /* True if math copro being used. */
185 };
186
187 struct elf_prpsinfo32
188 {
189 char pr_state; /* Numeric process state. */
190 char pr_sname; /* Char for pr_state. */
191 char pr_zomb; /* Zombie. */
192 char pr_nice; /* Nice val. */
193 unsigned int pr_flag; /* Flags. */
194 unsigned short int pr_uid;
195 unsigned short int pr_gid;
196 int pr_pid, pr_ppid, pr_pgrp, pr_sid;
197 /* Lots missing */
198 char pr_fname[16]; /* Filename of executable. */
199 char pr_psargs[ELF_PRARGSZ]; /* Initial part of arg list. */
200 };
201
202 struct elf_prpsinfo64
203 {
204 char pr_state; /* Numeric process state. */
205 char pr_sname; /* Char for pr_state. */
206 char pr_zomb; /* Zombie. */
207 char pr_nice; /* Nice val. */
208 a8_uint64_t pr_flag; /* Flags. */
209 unsigned int pr_uid;
210 unsigned int pr_gid;
211 int pr_pid, pr_ppid, pr_pgrp, pr_sid;
212 /* Lots missing */
213 char pr_fname[16]; /* Filename of executable. */
214 char pr_psargs[ELF_PRARGSZ]; /* Initial part of arg list. */
215 };
216
217 /* The rest of this file provides the types for emulation of the
218 Solaris <proc_service.h> interfaces that should be implemented by
219 users of libthread_db. */
220
221 /* Process status and info. In the end we do provide typedefs for them. */
222 typedef struct elf_prstatus32 prstatus32_t;
223 typedef struct elf_prstatusx32 prstatusx32_t;
224 typedef struct elf_prstatus64 prstatus64_t;
225 typedef struct elf_prpsinfo32 prpsinfo32_t;
226 typedef struct elf_prpsinfo64 prpsinfo64_t;