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

   1 /* Copyright (C) 1996-2014 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, 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' 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) / 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 elf_fpregset_t;
  49
  50 /* Signal info.  */
  51 struct elf_siginfo
  52   {
  53     int si_signo;                       /* Signal number.  */
  54     int si_code;                        /* Extra code.  */
  55     int si_errno;                       /* Errno.  */
  56   };
  57
  58 /* Definitions to generate Intel SVR4-like core files.  These mostly
  59    have the same names as the SVR4 types with "elf_" tacked on the
  60    front to prevent clashes with Linux definitions, and the typedef
  61    forms have been avoided.  This is mostly like the SVR4 structure,
  62    but more Linuxy, with things that Linux does not support and which
  63    GDB doesn't really use excluded.  */
  64
  65 struct elf_prstatus
  66   {
  67     struct elf_siginfo pr_info;         /* Info associated with signal.  */
  68     short int pr_cursig;                /* Current signal.  */
  69     unsigned long int pr_sigpend;       /* Set of pending signals.  */
  70     unsigned long int pr_sighold;       /* Set of held signals.  */
  71     __pid_t pr_pid;
  72     __pid_t pr_ppid;
  73     __pid_t pr_pgrp;
  74     __pid_t pr_sid;
  75     struct timeval pr_utime;            /* User time.  */
  76     struct timeval pr_stime;            /* System time.  */
  77     struct timeval pr_cutime;           /* Cumulative user time.  */
  78     struct timeval pr_cstime;           /* Cumulative system time.  */
  79     elf_gregset_t pr_reg;               /* GP registers.  */
  80     int pr_fpvalid;                     /* True if math copro being used.  */
  81   };
  82
  83
  84 #define ELF_PRARGSZ     (80)    /* Number of chars for args.  */
  85
  86 struct elf_prpsinfo
  87   {
  88     char pr_state;                      /* Numeric process state.  */
  89     char pr_sname;                      /* Char for pr_state.  */
  90     char pr_zomb;                       /* Zombie.  */
  91     char pr_nice;                       /* Nice val.  */
  92     unsigned long int pr_flag;          /* Flags.  */
  93     unsigned short int pr_uid;
  94     unsigned short int pr_gid;
  95     int pr_pid, pr_ppid, pr_pgrp, pr_sid;
  96     /* Lots missing */
  97     char pr_fname[16];                  /* Filename of executable.  */
  98     char pr_psargs[ELF_PRARGSZ];        /* Initial part of arg list.  */
  99   };
 100
 101 /* The rest of this file provides the types for emulation of the
 102    Solaris <proc_service.h> interfaces that should be implemented by
 103    users of libthread_db.  */
 104
 105 /* Addresses.  */
 106 typedef void *psaddr_t;
 107
 108 /* Register sets.  Linux has different names.  */
 109 typedef elf_gregset_t prgregset_t;
 110 typedef elf_fpregset_t prfpregset_t;
 111
 112 /* We don't have any differences between processes and threads,
 113    therefore have only one PID type.  */
 114 typedef __pid_t lwpid_t;
 115
 116 /* Process status and info.  In the end we do provide typedefs for them.  */
 117 typedef struct elf_prstatus prstatus_t;
 118 typedef struct elf_prpsinfo prpsinfo_t;
 119
 120 __END_DECLS
 121
 122 #endif  /* sys/procfs.h */