1 /* Copyright (C) 1996, 1997, 1999, 2000, 2001, 2002 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; see the file COPYING.LIB. If 16 not, see <http://www.gnu.org/licenses/>. */ 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 34 35 /* Type for a general-purpose register. */ 36 #ifndef ELF_GREG_T 37 #define ELF_GREG_T 38 typedef unsigned long elf_greg_t; 39 #endif 40 41 #define ELF_NGREG 32 42 43 #ifndef ELF_GREGSET_T 44 #define ELF_GREGSET_T 45 typedef elf_greg_t elf_gregset_t[ELF_NGREG]; 46 #endif 47 48 /* Register set for the floating-point registers. */ 49 #ifndef ELF_FPREGSET_T 50 #define ELF_FPREGSET_T 51 typedef elf_greg_t elf_fpregset_t; 52 #endif 53 54 struct elf_siginfo 55 { 56 int si_signo; /* signal number */ 57 int si_code; /* extra code */ 58 int si_errno; /* errno */ 59 }; 60 61 62 /* 63 * Definitions to generate Intel SVR4-like core files. 64 * These mostly have the same names as the SVR4 types with "elf_" 65 * tacked on the front to prevent clashes with linux definitions, 66 * and the typedef forms have been avoided. This is mostly like 67 * the SVR4 structure, but more Linuxy, with things that Linux does 68 * not support and which gdb doesn't really use excluded. 69 * Fields present but not used are marked with "XXX". 70 */ 71 struct elf_prstatus 72 { 73 struct elf_siginfo pr_info; /* Info associated with signal */ 74 short pr_cursig; /* Current signal */ 75 unsigned long pr_sigpend; /* Set of pending signals */ 76 unsigned long pr_sighold; /* Set of held signals */ 77 __kernel_pid_t pr_pid; 78 __kernel_pid_t pr_ppid; 79 __kernel_pid_t pr_pgrp; 80 __kernel_pid_t pr_sid; 81 struct timeval pr_utime; /* User time */ 82 struct timeval pr_stime; /* System time */ 83 struct timeval pr_cutime; /* Cumulative user time */ 84 struct timeval pr_cstime; /* Cumulative system time */ 85 elf_gregset_t pr_reg; /* GP registers */ 86 int pr_fpvalid; /* True if math co-processor being used. */ 87 }; 88 89 #define ELF_PRARGSZ (80) /* Number of chars for args */ 90 91 struct elf_prpsinfo 92 { 93 char pr_state; /* numeric process state */ 94 char pr_sname; /* char for pr_state */ 95 char pr_zomb; /* zombie */ 96 char pr_nice; /* nice val */ 97 unsigned long pr_flag; /* flags */ 98 __kernel_uid_t pr_uid; 99 __kernel_gid_t pr_gid; 100 __kernel_pid_t pr_pid, pr_ppid, pr_pgrp, pr_sid; 101 /* Lots missing */ 102 char pr_fname[16]; /* filename of executable */ 103 char pr_psargs[ELF_PRARGSZ]; /* initial part of arg list */ 104 }; 105 106 107 /* The rest of this file provides the types for emulation of the 108 Solaris <proc_service.h> interfaces that should be implemented by 109 users of libthread_db. */ 110 111 /* Addresses. */ 112 typedef void *psaddr_t; 113 114 /* Register sets. Linux has different names. */ 115 typedef elf_gregset_t prgregset_t; 116 typedef elf_fpregset_t prfpregset_t; 117 118 /* We don't have any differences between processes and threads, 119 therefore have only one PID type. */ 120 typedef __kernel_pid_t lwpid_t; 121 122 /* Process status and info. In the end we do provide typedefs for them. */ 123 typedef struct elf_prstatus prstatus_t; 124 typedef struct elf_prpsinfo prpsinfo_t; 125 126 127 #endif /* sys/procfs.h */ 128