gcc/ada/s-linux-mips.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) 2009-2017, 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 --  This is the MIPS version of this package
  30
  31 --  This package encapsulates cpu specific differences between implementations
  32 --  of GNU/Linux, in order to share s-osinte-linux.ads.
  33
  34 --  PLEASE DO NOT add any with-clauses to this package or remove the pragma
  35 --  Preelaborate. This package is designed to be a bottom-level (leaf) package
  36
  37 with Interfaces.C;
  38
  39 package System.Linux is
  40    pragma Preelaborate;
  41
  42    ----------
  43    -- Time --
  44    ----------
  45
  46    subtype int         is Interfaces.C.int;
  47    subtype long        is Interfaces.C.long;
  48    subtype suseconds_t is Interfaces.C.long;
  49    subtype time_t      is Interfaces.C.long;
  50    subtype clockid_t   is Interfaces.C.int;
  51
  52    type timespec is record
  53       tv_sec  : time_t;
  54       tv_nsec : long;
  55    end record;
  56    pragma Convention (C, timespec);
  57
  58    type timeval is record
  59       tv_sec  : time_t;
  60       tv_usec : suseconds_t;
  61    end record;
  62    pragma Convention (C, timeval);
  63
  64    -----------
  65    -- Errno --
  66    -----------
  67
  68    EAGAIN    : constant := 11;
  69    EINTR     : constant := 4;
  70    EINVAL    : constant := 22;
  71    ENOMEM    : constant := 12;
  72    EPERM     : constant := 1;
  73    ETIMEDOUT : constant := 145;
  74
  75    -------------
  76    -- Signals --
  77    -------------
  78
  79    SIGHUP     : constant := 1; --  hangup
  80    SIGINT     : constant := 2; --  interrupt (rubout)
  81    SIGQUIT    : constant := 3; --  quit (ASCD FS)
  82    SIGILL     : constant := 4; --  illegal instruction (not reset)
  83    SIGTRAP    : constant := 5; --  trace trap (not reset)
  84    SIGIOT     : constant := 6; --  IOT instruction
  85    SIGABRT    : constant := 6; --  used by abort, replace SIGIOT in the  future
  86    SIGEMT     : constant := 7; --  EMT
  87    SIGFPE     : constant := 8; --  floating point exception
  88    SIGKILL    : constant := 9; --  kill (cannot be caught or ignored)
  89    SIGBUS     : constant := 10; --  bus error
  90    SIGSEGV    : constant := 11; --  segmentation violation
  91    SIGSYS     : constant := 12; --  bad system call
  92    SIGPIPE    : constant := 13; --  write on a pipe with no one to read it
  93    SIGALRM    : constant := 14; --  alarm clock
  94    SIGTERM    : constant := 15; --  software termination signal from kill
  95    SIGUSR1    : constant := 16; --  user defined signal 1
  96    SIGUSR2    : constant := 17; --  user defined signal 2
  97    SIGCLD     : constant := 18; --  alias for SIGCHLD
  98    SIGCHLD    : constant := 18; --  child status change
  99    SIGPWR     : constant := 19; --  power-fail restart
 100    SIGWINCH   : constant := 20; --  window size change
 101    SIGURG     : constant := 21; --  urgent condition on IO channel
 102    SIGPOLL    : constant := 22; --  pollable event occurred
 103    SIGIO      : constant := 22; --  I/O now possible (4.2 BSD)
 104    SIGSTOP    : constant := 23; --  stop (cannot be caught or ignored)
 105    SIGTSTP    : constant := 24; --  user stop requested from tty
 106    SIGCONT    : constant := 25; --  stopped process has been continued
 107    SIGTTIN    : constant := 26; --  background tty read attempted
 108    SIGTTOU    : constant := 27; --  background tty write attempted
 109    SIGVTALRM  : constant := 28; --  virtual timer expired
 110    SIGPROF    : constant := 29; --  profiling timer expired
 111    SIGXCPU    : constant := 30; --  CPU time limit exceeded
 112    SIGXFSZ    : constant := 31; --  filesize limit exceeded
 113
 114    SIGLTHRRES : constant := 32; --  GNU/LinuxThreads restart signal
 115    SIGLTHRCAN : constant := 33; --  GNU/LinuxThreads cancel signal
 116    SIGLTHRDBG : constant := 34; --  GNU/LinuxThreads debugger signal
 117
 118    --  These don't exist for Linux/MIPS.  The constants are present
 119    --  so that we can continue to use a-intnam-linux.ads.
 120    SIGLOST    : constant := 0; --  File lock lost
 121    SIGSTKFLT  : constant := 0; --  coprocessor stack fault (Linux)
 122    SIGUNUSED  : constant := 0; --  unused signal (GNU/Linux)
 123
 124    --  struct_sigaction offsets
 125
 126    sa_handler_pos : constant := int'Size / 8;
 127    sa_mask_pos    : constant := int'Size / 8 +
 128                                 Standard'Address_Size / 8;
 129    sa_flags_pos   : constant := 0;
 130
 131    SA_SIGINFO  : constant := 16#08#;
 132    SA_ONSTACK  : constant := 16#08000000#;
 133
 134 end System.Linux;