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