gcc/ada/libgnarl/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) 2013-2023, 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 with Interfaces.C;
  40
  41 with System.Parameters;
  42
  43 package System.Linux is
  44    pragma Preelaborate;
  45
  46    ----------
  47    -- Time --
  48    ----------
  49
  50    subtype suseconds_t is Long_Long_Integer;
  51    --  Note that suseconds_t is 64 bits.
  52    type time_t is range -2 ** (System.Parameters.time_t_bits - 1)
  53      .. 2 ** (System.Parameters.time_t_bits - 1) - 1;
  54    subtype clockid_t   is Interfaces.C.int;
  55
  56    type timespec is record
  57       tv_sec  : time_t;
  58       tv_nsec : Long_Long_Integer;
  59       --  Note that tv_nsec is 64 bits.
  60    end record;
  61    pragma Convention (C, timespec);
  62
  63    type timeval is record
  64       tv_sec  : time_t;
  65       tv_usec : suseconds_t;
  66    end record;
  67    pragma Convention (C, timeval);
  68
  69    -----------
  70    -- Errno --
  71    -----------
  72
  73    EAGAIN    : constant := 11;
  74    EINTR     : constant := 4;
  75    EINVAL    : constant := 22;
  76    ENOMEM    : constant := 12;
  77    EPERM     : constant := 1;
  78    ETIMEDOUT : constant := 110;
  79
  80    -------------
  81    -- Signals --
  82    -------------
  83
  84    SIGHUP     : constant := 1; --  hangup
  85    SIGINT     : constant := 2; --  interrupt (rubout)
  86    SIGQUIT    : constant := 3; --  quit (ASCD FS)
  87    SIGILL     : constant := 4; --  illegal instruction (not reset)
  88    SIGTRAP    : constant := 5; --  trace trap (not reset)
  89    SIGIOT     : constant := 6; --  IOT instruction
  90    SIGABRT    : constant := 6; --  used by abort, replace SIGIOT in the future
  91    SIGFPE     : constant := 8; --  floating point exception
  92    SIGKILL    : constant := 9; --  kill (cannot be caught or ignored)
  93    SIGBUS     : constant := 7; --  bus error
  94    SIGUSR1    : constant := 10; --  user defined signal 1
  95    SIGSEGV    : constant := 11; --  segmentation violation
  96    SIGUSR2    : constant := 12; --  user defined signal 2
  97    SIGPIPE    : constant := 13; --  write on a pipe with no one to read it
  98    SIGALRM    : constant := 14; --  alarm clock
  99    SIGTERM    : constant := 15; --  software termination signal from kill
 100    SIGSTKFLT  : constant := 16; --  coprocessor stack fault (Linux)
 101    SIGCLD     : constant := 17; --  alias for SIGCHLD
 102    SIGCHLD    : constant := 17; --  child status change
 103    SIGSTOP    : constant := 19; --  stop (cannot be caught or ignored)
 104    SIGTSTP    : constant := 20; --  user stop requested from tty
 105    SIGCONT    : constant := 18; --  stopped process has been continued
 106    SIGTTIN    : constant := 21; --  background tty read attempted
 107    SIGTTOU    : constant := 22; --  background tty write attempted
 108    SIGURG     : constant := 23; --  urgent condition on IO channel
 109    SIGXCPU    : constant := 24; --  CPU time limit exceeded
 110    SIGXFSZ    : constant := 25; --  filesize limit exceeded
 111    SIGVTALRM  : constant := 26; --  virtual timer expired
 112    SIGPROF    : constant := 27; --  profiling timer expired
 113    SIGWINCH   : constant := 28; --  window size change
 114    SIGPOLL    : constant := 29; --  pollable event occurred
 115    SIGIO      : constant := 29; --  I/O now possible (4.2 BSD)
 116    SIGLOST    : constant := 29; --  File lock lost
 117    SIGPWR     : constant := 30; --  power-fail restart
 118    SIGSYS     : constant := 31; --  bad system call
 119    SIGUNUSED  : constant := 31; --  unused signal (mapped to SIGSYS)
 120    SIG32      : constant := 32; --  glibc internal signal
 121    SIG33      : constant := 33; --  glibc internal signal
 122    SIG34      : constant := 34; --  glibc internal signal
 123
 124    --  struct_sigaction offsets
 125
 126    sa_handler_pos : constant := 0;
 127    sa_mask_pos    : constant := Standard'Address_Size / 8;
 128    sa_flags_pos   : constant := 128 + sa_mask_pos;
 129
 130    SA_SIGINFO  : constant := 16#04#;
 131    SA_ONSTACK  : constant := 16#08000000#;
 132
 133 end System.Linux;