1 /* Copyright (C) 1996, 1997, 1999, 2000 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, see 16 <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 #include <sys/user.h> 34 35 __BEGIN_DECLS 36 37 /* Type for a general-purpose register. */ 38 typedef unsigned long elf_greg_t; 39 40 /* And the whole bunch of them. We could have used `struct 41 user_regs_struct' directly in the typedef, but tradition says that 42 the register set is an array, which does have some peculiar 43 semantics, so leave it that way. */ 44 #define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t)) 45 typedef elf_greg_t elf_gregset_t[ELF_NGREG]; 46 47 /* Register set for the floating-point registers. */ 48 typedef struct user_fpregs_struct elf_fpregset_t; 49 50 /* Register set for the extended floating-point registers. Includes 51 the Pentium III SSE registers in addition to the classic 52 floating-point stuff. */ 53 typedef struct user_fpxregs_struct elf_fpxregset_t; 54 55 56 /* Signal info. */ 57 struct elf_siginfo 58 { 59 int si_signo; /* Signal number. */ 60 int si_code; /* Extra code. */ 61 int si_errno; /* Errno. */ 62 }; 63 64 65 /* Definitions to generate Intel SVR4-like core files. These mostly 66 have the same names as the SVR4 types with "elf_" tacked on the 67 front to prevent clashes with Linux definitions, and the typedef 68 forms have been avoided. This is mostly like the SVR4 structure, 69 but more Linuxy, with things that Linux does not support and which 70 GDB doesn't really use excluded. */ 71 72 struct elf_prstatus 73 { 74 struct elf_siginfo pr_info; /* Info associated with signal. */ 75 short int pr_cursig; /* Current signal. */ 76 unsigned long int pr_sigpend; /* Set of pending signals. */ 77 unsigned long int pr_sighold; /* Set of held signals. */ 78 __pid_t pr_pid; 79 __pid_t pr_ppid; 80 __pid_t pr_pgrp; 81 __pid_t pr_sid; 82 struct timeval pr_utime; /* User time. */ 83 struct timeval pr_stime; /* System time. */ 84 struct timeval pr_cutime; /* Cumulative user time. */ 85 struct timeval pr_cstime; /* Cumulative system time. */ 86 elf_gregset_t pr_reg; /* GP registers. */ 87 int pr_fpvalid; /* True if math copro being used. */ 88 }; 89 90 91 #define ELF_PRARGSZ (80) /* Number of chars for args. */ 92 93 struct elf_prpsinfo 94 { 95 char pr_state; /* Numeric process state. */ 96 char pr_sname; /* Char for pr_state. */ 97 char pr_zomb; /* Zombie. */ 98 char pr_nice; /* Nice val. */ 99 unsigned long int pr_flag; /* Flags. */ 100 unsigned short int pr_uid; 101 unsigned short int pr_gid; 102 int pr_pid, pr_ppid, pr_pgrp, pr_sid; 103 /* Lots missing */ 104 char pr_fname[16]; /* Filename of executable. */ 105 char pr_psargs[ELF_PRARGSZ]; /* Initial part of arg list. */ 106 }; 107 108 109 /* The rest of this file provides the types for emulation of the 110 Solaris <proc_service.h> interfaces that should be implemented by 111 users of libthread_db. */ 112 113 /* Addresses. */ 114 typedef void *psaddr_t; 115 116 /* Register sets. Linux has different names. */ 117 typedef elf_gregset_t prgregset_t; 118 typedef elf_fpregset_t prfpregset_t; 119 120 /* We don't have any differences between processes and threads, 121 therefore have only one PID type. */ 122 typedef __pid_t lwpid_t; 123 124 /* Process status and info. In the end we do provide typedefs for them. */ 125 typedef struct elf_prstatus prstatus_t; 126 typedef struct elf_prpsinfo prpsinfo_t; 127 128 __END_DECLS 129 130 #endif /* sys/procfs.h */ 131