gcc/ada/s-linux-x32.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS               --
   4 --                                                                          --
   5 --                          S Y S T E M .  L I N U X                        --
   6 --                                                                          --
   7 --                                  S p e c                                 --
   8 --                                                                          --
   9 --             Copyright (C) 2013-2014, Free Software Foundation, Inc.      --
  10 --
  11 --                                                                          --
  12 -- GNARL is free software; you can  redistribute it  and/or modify it under --
  13 -- terms of the  GNU General Public License as published  by the Free Soft- --
  14 -- ware  Foundation;  either version 3,  or (at your option) any later ver- --
  15 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  16 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  17 -- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
  18 --                                                                          --
  19 -- As a special exception under Section 7 of GPL version 3, you are granted --
  20 -- additional permissions described in the GCC Runtime Library Exception,   --
  21 -- version 3.1, as published by the Free Software Foundation.               --
  22 --                                                                          --
  23 -- You should have received a copy of the GNU General Public License and    --
  24 -- a copy of the GCC Runtime Library Exception along with this program;     --
  25 -- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
  26 -- <http://www.gnu.org/licenses/>.                                          --
  27 --                                                                          --
  28 --                                                                          --
  29 ------------------------------------------------------------------------------
  30
  31 --  This is the x32 version of this package
  32
  33 --  This package encapsulates cpu specific differences between implementations
  34 --  of GNU/Linux, in order to share s-osinte-linux.ads.
  35
  36 --  PLEASE DO NOT add any with-clauses to this package or remove the pragma
  37 --  Preelaborate. This package is designed to be a bottom-level (leaf) package
  38
  39 package System.Linux is
  40    pragma Preelaborate;
  41
  42    ----------
  43    -- Time --
  44    ----------
  45
  46    type time_t is new Long_Long_Integer;
  47
  48    type timespec is record
  49       tv_sec  : time_t;
  50       tv_nsec : Long_Long_Integer;
  51    end record;
  52    pragma Convention (C, timespec);
  53
  54    type timeval is record
  55       tv_sec  : time_t;
  56       tv_usec : Long_Long_Integer;
  57    end record;
  58    pragma Convention (C, timeval);
  59
  60    -----------
  61    -- Errno --
  62    -----------
  63
  64    EAGAIN    : constant := 11;
  65    EINTR     : constant := 4;
  66    EINVAL    : constant := 22;
  67    ENOMEM    : constant := 12;
  68    EPERM     : constant := 1;
  69    ETIMEDOUT : constant := 110;
  70
  71    -------------
  72    -- Signals --
  73    -------------
  74
  75    SIGHUP     : constant := 1; --  hangup
  76    SIGINT     : constant := 2; --  interrupt (rubout)
  77    SIGQUIT    : constant := 3; --  quit (ASCD FS)
  78    SIGILL     : constant := 4; --  illegal instruction (not reset)
  79    SIGTRAP    : constant := 5; --  trace trap (not reset)
  80    SIGIOT     : constant := 6; --  IOT instruction
  81    SIGABRT    : constant := 6; --  used by abort, replace SIGIOT in the  future
  82    SIGFPE     : constant := 8; --  floating point exception
  83    SIGKILL    : constant := 9; --  kill (cannot be caught or ignored)
  84    SIGBUS     : constant := 7; --  bus error
  85    SIGSEGV    : constant := 11; --  segmentation violation
  86    SIGPIPE    : constant := 13; --  write on a pipe with no one to read it
  87    SIGALRM    : constant := 14; --  alarm clock
  88    SIGTERM    : constant := 15; --  software termination signal from kill
  89    SIGUSR1    : constant := 10; --  user defined signal 1
  90    SIGUSR2    : constant := 12; --  user defined signal 2
  91    SIGCLD     : constant := 17; --  alias for SIGCHLD
  92    SIGCHLD    : constant := 17; --  child status change
  93    SIGPWR     : constant := 30; --  power-fail restart
  94    SIGWINCH   : constant := 28; --  window size change
  95    SIGURG     : constant := 23; --  urgent condition on IO channel
  96    SIGPOLL    : constant := 29; --  pollable event occurred
  97    SIGIO      : constant := 29; --  I/O now possible (4.2 BSD)
  98    SIGLOST    : constant := 29; --  File lock lost
  99    SIGSTOP    : constant := 19; --  stop (cannot be caught or ignored)
 100    SIGTSTP    : constant := 20; --  user stop requested from tty
 101    SIGCONT    : constant := 18; --  stopped process has been continued
 102    SIGTTIN    : constant := 21; --  background tty read attempted
 103    SIGTTOU    : constant := 22; --  background tty write attempted
 104    SIGVTALRM  : constant := 26; --  virtual timer expired
 105    SIGPROF    : constant := 27; --  profiling timer expired
 106    SIGXCPU    : constant := 24; --  CPU time limit exceeded
 107    SIGXFSZ    : constant := 25; --  filesize limit exceeded
 108    SIGUNUSED  : constant := 31; --  unused signal (GNU/Linux)
 109    SIGSTKFLT  : constant := 16; --  coprocessor stack fault (Linux)
 110    SIGLTHRRES : constant := 32; --  GNU/LinuxThreads restart signal
 111    SIGLTHRCAN : constant := 33; --  GNU/LinuxThreads cancel signal
 112    SIGLTHRDBG : constant := 34; --  GNU/LinuxThreads debugger signal
 113
 114    --  struct_sigaction offsets
 115
 116    sa_handler_pos : constant := 0;
 117    sa_mask_pos    : constant := Standard'Address_Size / 8;
 118    sa_flags_pos   : constant := 128 + sa_mask_pos;
 119
 120    SA_SIGINFO  : constant := 16#04#;
 121    SA_ONSTACK  : constant := 16#08000000#;
 122
 123 end System.Linux;