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1 | /* Copyright (C) 2006 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 Lesser General Public | |
15 | License along with the GNU C Library; if not, write to the Free | |
16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
17 | 02111-1307 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 | ||
35 | #ifdef HAVE_STDINT_H | |
36 | #include <stdint.h> | |
37 | #else | |
38 | typedef unsigned int uint32_t; | |
39 | #endif | |
40 | ||
41 | #define HAVE_PRPSINFO32_T | |
42 | #define HAVE_PRSTATUS32_T | |
43 | ||
44 | /* These are the 32-bit x86 structures. */ | |
45 | ||
46 | struct user_fpregs32_struct | |
47 | { | |
48 | int32_t cwd; | |
49 | int32_t swd; | |
50 | int32_t twd; | |
51 | int32_t fip; | |
52 | int32_t fcs; | |
53 | int32_t foo; | |
54 | int32_t fos; | |
55 | int32_t st_space [20]; | |
56 | }; | |
57 | ||
58 | struct user_fpxregs32_struct | |
59 | { | |
60 | unsigned short int cwd; | |
61 | unsigned short int swd; | |
62 | unsigned short int twd; | |
63 | unsigned short int fop; | |
64 | int32_t fip; | |
65 | int32_t fcs; | |
66 | int32_t foo; | |
67 | int32_t fos; | |
68 | int32_t mxcsr; | |
69 | int32_t reserved; | |
70 | int32_t st_space[32]; /* 8*16 bytes for each FP-reg = 128 bytes */ | |
71 | int32_t xmm_space[32]; /* 8*16 bytes for each XMM-reg = 128 bytes */ | |
72 | int32_t padding[56]; | |
73 | }; | |
74 | ||
75 | struct user_regs32_struct | |
76 | { | |
77 | int32_t ebx; | |
78 | int32_t ecx; | |
79 | int32_t edx; | |
80 | int32_t esi; | |
81 | int32_t edi; | |
82 | int32_t ebp; | |
83 | int32_t eax; | |
84 | int32_t xds; | |
85 | int32_t xes; | |
86 | int32_t xfs; | |
87 | int32_t xgs; | |
88 | int32_t orig_eax; | |
89 | int32_t eip; | |
90 | int32_t xcs; | |
91 | int32_t eflags; | |
92 | int32_t esp; | |
93 | int32_t xss; | |
94 | }; | |
95 | ||
96 | struct user32 | |
97 | { | |
98 | struct user_regs32_struct regs; | |
99 | int u_fpvalid; | |
100 | struct user_fpregs32_struct i387; | |
101 | uint32_t u_tsize; | |
102 | uint32_t u_dsize; | |
103 | uint32_t u_ssize; | |
104 | uint32_t start_code; | |
105 | uint32_t start_stack; | |
106 | int32_t signal; | |
107 | int reserved; | |
108 | struct user_regs32_struct* u_ar0; | |
109 | struct user_fpregs32_struct* u_fpstate; | |
110 | uint32_t magic; | |
111 | char u_comm [32]; | |
112 | int u_debugreg [8]; | |
113 | }; | |
114 | ||
115 | /* Type for a general-purpose register. */ | |
116 | typedef unsigned int elf_greg32_t; | |
117 | ||
118 | /* And the whole bunch of them. We could have used `struct | |
119 | user_regs_struct' directly in the typedef, but tradition says that | |
120 | the register set is an array, which does have some peculiar | |
121 | semantics, so leave it that way. */ | |
122 | #define ELF_NGREG32 (sizeof (struct user_regs32_struct) / sizeof(elf_greg32_t)) | |
123 | typedef elf_greg32_t elf_gregset32_t[ELF_NGREG32]; | |
124 | ||
125 | /* Register set for the floating-point registers. */ | |
126 | typedef struct user_fpregs32_struct elf_fpregset32_t; | |
127 | ||
128 | /* Register set for the extended floating-point registers. Includes | |
129 | the Pentium III SSE registers in addition to the classic | |
130 | floating-point stuff. */ | |
131 | typedef struct user_fpxregs32_struct elf_fpxregset32_t; | |
132 | ||
133 | ||
134 | /* Definitions to generate Intel SVR4-like core files. These mostly | |
135 | have the same names as the SVR4 types with "elf_" tacked on the | |
136 | front to prevent clashes with Linux definitions, and the typedef | |
137 | forms have been avoided. This is mostly like the SVR4 structure, | |
138 | but more Linuxy, with things that Linux does not support and which | |
139 | GDB doesn't really use excluded. */ | |
140 | ||
141 | struct prstatus32_timeval | |
142 | { | |
143 | int tv_sec; | |
144 | int tv_usec; | |
145 | }; | |
146 | ||
147 | struct elf_prstatus32 | |
148 | { | |
149 | struct elf_siginfo pr_info; /* Info associated with signal. */ | |
150 | short int pr_cursig; /* Current signal. */ | |
151 | unsigned int pr_sigpend; /* Set of pending signals. */ | |
152 | unsigned int pr_sighold; /* Set of held signals. */ | |
153 | __pid_t pr_pid; | |
154 | __pid_t pr_ppid; | |
155 | __pid_t pr_pgrp; | |
156 | __pid_t pr_sid; | |
157 | struct prstatus32_timeval pr_utime; /* User time. */ | |
158 | struct prstatus32_timeval pr_stime; /* System time. */ | |
159 | struct prstatus32_timeval pr_cutime; /* Cumulative user time. */ | |
160 | struct prstatus32_timeval pr_cstime; /* Cumulative system time. */ | |
161 | elf_gregset32_t pr_reg; /* GP registers. */ | |
162 | int pr_fpvalid; /* True if math copro being used. */ | |
163 | }; | |
164 | ||
165 | ||
166 | struct elf_prpsinfo32 | |
167 | { | |
168 | char pr_state; /* Numeric process state. */ | |
169 | char pr_sname; /* Char for pr_state. */ | |
170 | char pr_zomb; /* Zombie. */ | |
171 | char pr_nice; /* Nice val. */ | |
172 | unsigned int pr_flag; /* Flags. */ | |
173 | unsigned short int pr_uid; | |
174 | unsigned short int pr_gid; | |
175 | int pr_pid, pr_ppid, pr_pgrp, pr_sid; | |
176 | /* Lots missing */ | |
177 | char pr_fname[16]; /* Filename of executable. */ | |
178 | char pr_psargs[ELF_PRARGSZ]; /* Initial part of arg list. */ | |
179 | }; | |
180 | ||
181 | ||
182 | /* The rest of this file provides the types for emulation of the | |
183 | Solaris <proc_service.h> interfaces that should be implemented by | |
184 | users of libthread_db. */ | |
185 | ||
186 | /* Register sets. Linux has different names. */ | |
187 | typedef elf_gregset_t prgregset32_t; | |
188 | typedef elf_fpregset_t prfpregset32_t; | |
189 | ||
190 | /* Process status and info. In the end we do provide typedefs for them. */ | |
191 | typedef struct elf_prstatus32 prstatus32_t; | |
192 | typedef struct elf_prpsinfo32 prpsinfo32_t; |