sysdeps/unix/sysv/linux/sys/procfs.h

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