1 /* Copyright (C) 2006-2014 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 typedef unsigned long long int uint64_t; 40 #endif 41 42 /* Unsigned 64-bit integer aligned to 8 bytes. */ 43 typedef uint64_t __attribute__ ((__aligned__ (8))) a8_uint64_t; 44 45 #undef HAVE_PRPSINFO32_T 46 #define HAVE_PRPSINFO32_T 47 #undef HAVE_PRPSINFO32_T_PR_PID 48 #define HAVE_PRPSINFO32_T_PR_PID 49 50 #undef HAVE_PRSTATUS32_T 51 #define HAVE_PRSTATUS32_T 52 53 /* These are the 32-bit x86 structures. */ 54 55 struct user_regs32_struct 56 { 57 int32_t ebx; 58 int32_t ecx; 59 int32_t edx; 60 int32_t esi; 61 int32_t edi; 62 int32_t ebp; 63 int32_t eax; 64 int32_t xds; 65 int32_t xes; 66 int32_t xfs; 67 int32_t xgs; 68 int32_t orig_eax; 69 int32_t eip; 70 int32_t xcs; 71 int32_t eflags; 72 int32_t esp; 73 int32_t xss; 74 }; 75 76 struct user_regs64_struct 77 { 78 a8_uint64_t r15; 79 a8_uint64_t r14; 80 a8_uint64_t r13; 81 a8_uint64_t r12; 82 a8_uint64_t rbp; 83 a8_uint64_t rbx; 84 a8_uint64_t r11; 85 a8_uint64_t r10; 86 a8_uint64_t r9; 87 a8_uint64_t r8; 88 a8_uint64_t rax; 89 a8_uint64_t rcx; 90 a8_uint64_t rdx; 91 a8_uint64_t rsi; 92 a8_uint64_t rdi; 93 a8_uint64_t orig_rax; 94 a8_uint64_t rip; 95 a8_uint64_t cs; 96 a8_uint64_t eflags; 97 a8_uint64_t rsp; 98 a8_uint64_t ss; 99 a8_uint64_t fs_base; 100 a8_uint64_t gs_base; 101 a8_uint64_t ds; 102 a8_uint64_t es; 103 a8_uint64_t fs; 104 a8_uint64_t gs; 105 }; 106 107 /* Type for a general-purpose register. */ 108 typedef uint32_t elf_greg32_t; 109 typedef a8_uint64_t elf_greg64_t; 110 111 /* And the whole bunch of them. We could have used `struct 112 user_regs_struct' directly in the typedef, but tradition says that 113 the register set is an array, which does have some peculiar 114 semantics, so leave it that way. */ 115 #define ELF_NGREG32 (sizeof (struct user_regs32_struct) / sizeof(elf_greg32_t)) 116 typedef elf_greg32_t elf_gregset32_t[ELF_NGREG32]; 117 #define ELF_NGREG64 (sizeof (struct user_regs64_struct) / sizeof(elf_greg64_t)) 118 typedef elf_greg64_t elf_gregset64_t[ELF_NGREG64]; 119 120 /* Definitions to generate Intel SVR4-like core files. These mostly 121 have the same names as the SVR4 types with "elf_" tacked on the 122 front to prevent clashes with Linux definitions, and the typedef 123 forms have been avoided. This is mostly like the SVR4 structure, 124 but more Linuxy, with things that Linux does not support and which 125 GDB doesn't really use excluded. */ 126 127 struct prstatus32_timeval 128 { 129 int tv_sec; 130 int tv_usec; 131 }; 132 133 struct prstatus64_timeval 134 { 135 a8_uint64_t tv_sec; 136 a8_uint64_t tv_usec; 137 }; 138 139 struct elf_prstatus32 140 { 141 struct elf_siginfo pr_info; /* Info associated with signal. */ 142 short int pr_cursig; /* Current signal. */ 143 unsigned int pr_sigpend; /* Set of pending signals. */ 144 unsigned int pr_sighold; /* Set of held signals. */ 145 pid_t pr_pid; 146 pid_t pr_ppid; 147 pid_t pr_pgrp; 148 pid_t pr_sid; 149 struct prstatus32_timeval pr_utime; /* User time. */ 150 struct prstatus32_timeval pr_stime; /* System time. */ 151 struct prstatus32_timeval pr_cutime; /* Cumulative user time. */ 152 struct prstatus32_timeval pr_cstime; /* Cumulative system time. */ 153 elf_gregset32_t pr_reg; /* GP registers. */ 154 int pr_fpvalid; /* True if math copro being used. */ 155 }; 156 157 struct elf_prstatusx32 158 { 159 struct elf_siginfo pr_info; /* Info associated with signal. */ 160 short int pr_cursig; /* Current signal. */ 161 unsigned int pr_sigpend; /* Set of pending signals. */ 162 unsigned int pr_sighold; /* Set of held signals. */ 163 pid_t pr_pid; 164 pid_t pr_ppid; 165 pid_t pr_pgrp; 166 pid_t pr_sid; 167 struct prstatus32_timeval pr_utime; /* User time. */ 168 struct prstatus32_timeval pr_stime; /* System time. */ 169 struct prstatus32_timeval pr_cutime; /* Cumulative user time. */ 170 struct prstatus32_timeval pr_cstime; /* Cumulative system time. */ 171 elf_gregset64_t pr_reg; /* GP registers. */ 172 int pr_fpvalid; /* True if math copro being used. */ 173 }; 174 175 struct elf_prstatus64 176 { 177 struct elf_siginfo pr_info; /* Info associated with signal. */ 178 short int pr_cursig; /* Current signal. */ 179 a8_uint64_t pr_sigpend; /* Set of pending signals. */ 180 a8_uint64_t pr_sighold; /* Set of held signals. */ 181 pid_t pr_pid; 182 pid_t pr_ppid; 183 pid_t pr_pgrp; 184 pid_t pr_sid; 185 struct prstatus64_timeval pr_utime; /* User time. */ 186 struct prstatus64_timeval pr_stime; /* System time. */ 187 struct prstatus64_timeval pr_cutime; /* Cumulative user time. */ 188 struct prstatus64_timeval pr_cstime; /* Cumulative system time. */ 189 elf_gregset64_t pr_reg; /* GP registers. */ 190 int pr_fpvalid; /* True if math copro being used. */ 191 }; 192 193 struct elf_prpsinfo32 194 { 195 char pr_state; /* Numeric process state. */ 196 char pr_sname; /* Char for pr_state. */ 197 char pr_zomb; /* Zombie. */ 198 char pr_nice; /* Nice val. */ 199 unsigned int pr_flag; /* Flags. */ 200 unsigned short int pr_uid; 201 unsigned short int pr_gid; 202 int pr_pid, pr_ppid, pr_pgrp, pr_sid; 203 /* Lots missing */ 204 char pr_fname[16]; /* Filename of executable. */ 205 char pr_psargs[ELF_PRARGSZ]; /* Initial part of arg list. */ 206 }; 207 208 struct elf_prpsinfo64 209 { 210 char pr_state; /* Numeric process state. */ 211 char pr_sname; /* Char for pr_state. */ 212 char pr_zomb; /* Zombie. */ 213 char pr_nice; /* Nice val. */ 214 a8_uint64_t pr_flag; /* Flags. */ 215 unsigned int pr_uid; 216 unsigned int pr_gid; 217 int pr_pid, pr_ppid, pr_pgrp, pr_sid; 218 /* Lots missing */ 219 char pr_fname[16]; /* Filename of executable. */ 220 char pr_psargs[ELF_PRARGSZ]; /* Initial part of arg list. */ 221 }; 222 223 /* The rest of this file provides the types for emulation of the 224 Solaris <proc_service.h> interfaces that should be implemented by 225 users of libthread_db. */ 226 227 /* Process status and info. In the end we do provide typedefs for them. */ 228 typedef struct elf_prstatus32 prstatus32_t; 229 typedef struct elf_prstatusx32 prstatusx32_t; 230 typedef struct elf_prstatus64 prstatus64_t; 231 typedef struct elf_prpsinfo32 prpsinfo32_t; 232 typedef struct elf_prpsinfo64 prpsinfo64_t; 233