ports/sysdeps/unix/sysv/linux/alpha/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 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 /*
  35  * The OSF/1 version of <sys/procfs.h> makes gregset_t 46 entries long.
  36  * I have no idea why that is so.  For now, we just leave it at 33
  37  * (32 general regs + processor status word).
  38  */
  39 #define ELF_NGREG       33
  40 #define ELF_NFPREG      32
  41
  42 typedef unsigned long elf_greg_t;
  43 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
  44
  45 typedef double elf_fpreg_t;
  46 typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
  47
  48 struct elf_siginfo
  49   {
  50     int si_signo;                       /* Signal number.  */
  51     int si_code;                        /* Extra code.  */
  52     int si_errno;                       /* Errno.  */
  53   };
  54
  55 /* Definitions to generate Intel SVR4-like core files.  These mostly
  56    have the same names as the SVR4 types with "elf_" tacked on the
  57    front to prevent clashes with linux definitions, and the typedef
  58    forms have been avoided.  This is mostly like the SVR4 structure,
  59    but more Linuxy, with things that Linux does not support and which
  60    gdb doesn't really use excluded.  Fields present but not used are
  61    marked with "XXX".  */
  62 struct elf_prstatus
  63   {
  64 #if 0
  65     long int pr_flags;                  /* XXX Process flags.  */
  66     short int pr_why;                   /* XXX Reason for process halt.  */
  67     short int pr_what;                  /* XXX More detailed reason.  */
  68 #endif
  69     struct elf_siginfo pr_info;         /* Info associated with signal.  */
  70     short int pr_cursig;                /* Current signal.  */
  71     unsigned long int pr_sigpend;       /* Set of pending signals.  */
  72     unsigned long int pr_sighold;       /* Set of held signals.  */
  73 #if 0
  74     struct sigaltstack pr_altstack;     /* Alternate stack info.  */
  75     struct sigaction pr_action;         /* Signal action for current sig.  */
  76 #endif
  77     __pid_t pr_pid;
  78     __pid_t pr_ppid;
  79     __pid_t pr_pgrp;
  80     __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 #if 0
  86     long int pr_instr;                  /* Current instruction.  */
  87 #endif
  88     elf_gregset_t pr_reg;               /* GP registers.  */
  89     int pr_fpvalid;                     /* True if math copro being used.  */
  90   };
  91
  92
  93 #define ELF_PRARGSZ     (80)    /* Number of chars for args */
  94
  95 struct elf_prpsinfo
  96   {
  97     char pr_state;                      /* Numeric process state.  */
  98     char pr_sname;                      /* Char for pr_state.  */
  99     char pr_zomb;                       /* Zombie.  */
 100     char pr_nice;                       /* Nice val.  */
 101     unsigned long int pr_flag;          /* Flags.  */
 102     unsigned int pr_uid;
 103     unsigned int pr_gid;
 104     int pr_pid, pr_ppid, pr_pgrp, pr_sid;
 105     /* Lots missing */
 106     char pr_fname[16];                  /* Filename of executable.  */
 107     char pr_psargs[ELF_PRARGSZ];        /* Initial part of arg list.  */
 108   };
 109
 110 /* Addresses.  */
 111 typedef void *psaddr_t;
 112
 113 /* Register sets.  Linux has different names.  */
 114 typedef gregset_t prgregset_t;
 115 typedef fpregset_t prfpregset_t;
 116
 117 /* We don't have any differences between processes and threads,
 118    therefore habe only ine PID type.  */
 119 typedef __pid_t lwpid_t;
 120
 121
 122 typedef struct elf_prstatus prstatus_t;
 123 typedef struct elf_prpsinfo prpsinfo_t;
 124
 125 __END_DECLS
 126
 127 #endif  /* sys/procfs.h */