sysdeps/unix/sysv/linux/powerpc/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 /* 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 */