1 /* Copyright (C) 1996, 1997, 1999, 2002, 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, see 16 <http://www.gnu.org/licenses/>. */ 17 18 #ifndef _SYS_PROCFS_H 19 #define _SYS_PROCFS_H 1 20 21 /* This is somehow modelled after the file of the same name on SysVr4 22 systems. It provides a definition of the core file format for ELF 23 used on Linux. */ 24 25 #include <features.h> 26 #include <signal.h> 27 #include <sys/time.h> 28 #include <sys/types.h> 29 #include <sys/ucontext.h> 30 #include <sys/user.h> 31 32 __BEGIN_DECLS 33 34 /* These definitions are normally provided by ucontext.h via 35 asm/sigcontext.h, asm/ptrace.h, and asm/elf.h. Otherwise we define 36 them here. */ 37 #if !defined __PPC64_ELF_H && !defined _ASM_POWERPC_ELF_H 38 #define ELF_NGREG 48 /* includes nip, msr, lr, etc. */ 39 #define ELF_NFPREG 33 /* includes fpscr */ 40 #if __WORDSIZE == 32 41 # define ELF_NVRREG 33 /* includes vscr */ 42 #else 43 # define ELF_NVRREG 34 /* includes vscr */ 44 #endif 45 46 typedef unsigned long elf_greg_t; 47 typedef elf_greg_t elf_gregset_t[ELF_NGREG]; 48 49 typedef double elf_fpreg_t; 50 typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; 51 52 /* Altivec registers */ 53 typedef struct { 54 unsigned int u[4]; 55 } __attribute__ ((aligned (16))) elf_vrreg_t; 56 typedef elf_vrreg_t elf_vrregset_t[ELF_NVRREG]; 57 #endif 58 59 struct elf_siginfo 60 { 61 int si_signo; /* Signal number. */ 62 int si_code; /* Extra code. */ 63 int si_errno; /* Errno. */ 64 }; 65 66 67 /* Definitions to generate Intel SVR4-like core files. These mostly 68 have the same names as the SVR4 types with "elf_" tacked on the 69 front to prevent clashes with linux definitions, and the typedef 70 forms have been avoided. This is mostly like the SVR4 structure, 71 but more Linuxy, with things that Linux does not support and which 72 gdb doesn't really use excluded. Fields present but not used are 73 marked with "XXX". */ 74 struct elf_prstatus 75 { 76 #if 0 77 long int pr_flags; /* XXX Process flags. */ 78 short int pr_why; /* XXX Reason for process halt. */ 79 short int pr_what; /* XXX More detailed reason. */ 80 #endif 81 struct elf_siginfo pr_info; /* Info associated with signal. */ 82 short int pr_cursig; /* Current signal. */ 83 unsigned long int pr_sigpend; /* Set of pending signals. */ 84 unsigned long int pr_sighold; /* Set of held signals. */ 85 #if 0 86 struct sigaltstack pr_altstack; /* Alternate stack info. */ 87 struct sigaction pr_action; /* Signal action for current sig. */ 88 #endif 89 __pid_t pr_pid; 90 __pid_t pr_ppid; 91 __pid_t pr_pgrp; 92 __pid_t pr_sid; 93 struct timeval pr_utime; /* User time. */ 94 struct timeval pr_stime; /* System time. */ 95 struct timeval pr_cutime; /* Cumulative user time. */ 96 struct timeval pr_cstime; /* Cumulative system time. */ 97 #if 0 98 long int pr_instr; /* Current instruction. */ 99 #endif 100 elf_gregset_t pr_reg; /* GP registers. */ 101 int pr_fpvalid; /* True if math copro being used. */ 102 }; 103 104 105 #define ELF_PRARGSZ (80) /* Number of chars for args */ 106 107 struct elf_prpsinfo 108 { 109 char pr_state; /* Numeric process state. */ 110 char pr_sname; /* Char for pr_state. */ 111 char pr_zomb; /* Zombie. */ 112 char pr_nice; /* Nice val. */ 113 unsigned long int pr_flag; /* Flags. */ 114 __uid_t pr_uid; 115 __gid_t pr_gid; 116 __pid_t pr_pid, pr_ppid, pr_pgrp, pr_sid; 117 /* Lots missing */ 118 char pr_fname[16]; /* Filename of executable. */ 119 char pr_psargs[ELF_PRARGSZ]; /* Initial part of arg list. */ 120 }; 121 122 /* Addresses. */ 123 typedef void *psaddr_t; 124 125 /* Register sets. Linux has different names. */ 126 typedef elf_gregset_t prgregset_t; 127 typedef elf_fpregset_t prfpregset_t; 128 129 /* We don't have any differences between processes and threads, 130 therefore habe only ine PID type. */ 131 typedef __pid_t lwpid_t; 132 133 134 typedef struct elf_prstatus prstatus_t; 135 typedef struct elf_prpsinfo prpsinfo_t; 136 137 __END_DECLS 138 139 #endif /* sys/procfs.h */ 140