gcc/ada/s-linux-alpha.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) 2008, 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 2,  or (at your option) any later ver- --
  14 -- sion. GNARL 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.  See the GNU General Public License --
  17 -- for  more details.  You should have  received  a copy of the GNU General --
  18 -- Public License  distributed with GNARL; see file COPYING.  If not, write --
  19 -- to  the  Free Software Foundation,  51  Franklin  Street,  Fifth  Floor, --
  20 -- Boston, MA 02110-1301, USA.                                              --
  21 --                                                                          --
  22 -- As a special exception,  if other files  instantiate  generics from this --
  23 -- unit, or you link  this unit with other files  to produce an executable, --
  24 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  25 -- covered  by the  GNU  General  Public  License.  This exception does not --
  26 -- however invalidate  any other reasons why  the executable file  might be --
  27 -- covered by the  GNU Public License.                                      --
  28 --                                                                          --
  29 ------------------------------------------------------------------------------
  30
  31 --  This is the alpha 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 with Interfaces.C;
  40
  41 package System.Linux is
  42    pragma Preelaborate;
  43
  44    -----------
  45    -- Errno --
  46    -----------
  47
  48    EAGAIN    : constant := 35;
  49    EINTR     : constant := 4;
  50    EINVAL    : constant := 22;
  51    ENOMEM    : constant := 12;
  52    EPERM     : constant := 1;
  53    ETIMEDOUT : constant := 60;
  54
  55    -------------
  56    -- Signals --
  57    -------------
  58
  59    SIGHUP     : constant := 1; --  hangup
  60    SIGINT     : constant := 2; --  interrupt (rubout)
  61    SIGQUIT    : constant := 3; --  quit (ASCD FS)
  62    SIGILL     : constant := 4; --  illegal instruction (not reset)
  63    SIGTRAP    : constant := 5; --  trace trap (not reset)
  64    SIGIOT     : constant := 6; --  IOT instruction
  65    SIGABRT    : constant := 6; --  used by abort, replace SIGIOT in the  future
  66    SIGFPE     : constant := 8; --  floating point exception
  67    SIGKILL    : constant := 9; --  kill (cannot be caught or ignored)
  68    SIGBUS     : constant := 10; --  bus error
  69    SIGSEGV    : constant := 11; --  segmentation violation
  70    SIGPIPE    : constant := 13; --  write on a pipe with no one to read it
  71    SIGALRM    : constant := 14; --  alarm clock
  72    SIGTERM    : constant := 15; --  software termination signal from kill
  73    SIGURG     : constant := 16; --  urgent condition on IO channel
  74    SIGSTOP    : constant := 17; --  stop (cannot be caught or ignored)
  75    SIGTSTP    : constant := 18; --  user stop requested from tty
  76    SIGCONT    : constant := 19; --  stopped process has been continued
  77    SIGCLD     : constant := 20; --  alias for SIGCHLD
  78    SIGCHLD    : constant := 20; --  child status change
  79    SIGTTIN    : constant := 21; --  background tty read attempted
  80    SIGTTOU    : constant := 22; --  background tty write attempted
  81    SIGIO      : constant := 23; --  I/O now possible (4.2 BSD)
  82    SIGPOLL    : constant := 23; --  pollable event occurred
  83    SIGXCPU    : constant := 24; --  CPU time limit exceeded
  84    SIGXFSZ    : constant := 25; --  filesize limit exceeded
  85    SIGVTALRM  : constant := 26; --  virtual timer expired
  86    SIGPROF    : constant := 27; --  profiling timer expired
  87    SIGWINCH   : constant := 28; --  window size change
  88    SIGPWR     : constant := 29; --  power-fail restart
  89    SIGUSR1    : constant := 30; --  user defined signal 1
  90    SIGUSR2    : constant := 31; --  user defined signal 2
  91
  92    SIGLTHRRES : constant := 32; --  GNU/LinuxThreads restart signal
  93    SIGLTHRCAN : constant := 33; --  GNU/LinuxThreads cancel signal
  94    SIGLTHRDBG : constant := 34; --  GNU/LinuxThreads debugger signal
  95
  96    SIGADAABORT : constant := SIGABRT;
  97    --  Change this if you want to use another signal for task abort.
  98    --  SIGTERM might be a good one.
  99
 100    SIGUNUSED  : constant := 0;
 101    SIGSTKFLT  : constant := 0;
 102    SIGLOST    : constant := 0;
 103    --  These don't exist for Linux/Alpha.  The constants are present
 104    --  so that we can continue to use a-intnam-linux.ads.
 105
 106    --  struct_sigaction offsets
 107
 108    sa_mask_pos  : constant := Standard'Address_Size / 8;
 109    sa_flags_pos : constant := 128 + sa_mask_pos;
 110
 111    SA_SIGINFO  : constant := 16#40#;
 112    SA_ONSTACK  : constant := 16#01#;
 113
 114    type pthread_mutex_t is record
 115       dum0, dum1, dum2, dum3, dum4 : Interfaces.C.unsigned_long;
 116    end record;
 117    pragma Convention (C, pthread_mutex_t);
 118
 119 end System.Linux;