grt: split grt-errors, disp current process.

1 files changed, 93 insertions, 0 deletions

diff --git a/src/grt/grt-errors_exec.adb b/src/grt/grt-errors_exec.adb
new file mode 100644
index 000000000..798ead9b9
--- /dev/null
+++ b/src/grt/grt-errors_exec.adb
@@ -0,0 +1,93 @@
+--  GHDL Run Time (GRT) - Error handling.
+--  Copyright (C) 2002 - 2014 Tristan Gingold
+--
+--  GHDL is free software; you can redistribute it and/or modify it under
+--  the terms of the GNU General Public License as published by the Free
+--  Software Foundation; either version 2, or (at your option) any later
+--  version.
+--
+--  GHDL is distributed in the hope that it will be useful, but WITHOUT ANY
+--  WARRANTY; without even the implied warranty of MERCHANTABILITY or
+--  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+--  for more details.
+--
+--  You should have received a copy of the GNU General Public License
+--  along with GCC; see the file COPYING.  If not, write to the Free
+--  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+--  02111-1307, USA.
+--
+--  As a special exception, if other files instantiate generics from this
+--  unit, or you link this unit with other files to produce an executable,
+--  this unit does not by itself cause the resulting executable to be
+--  covered by the GNU General Public License. This exception does not
+--  however invalidate any other reasons why the executable file might be
+--  covered by the GNU Public License.
+
+with Grt.Errors; use Grt.Errors;
+with Grt.Backtraces;
+
+with Grt.Signals;
+with Grt.Rtis_Addr;
+with Grt.Threads;
+with Grt.Processes;
+with Grt.Rtis_Utils;
+
+package body Grt.Errors_Exec is
+   procedure Error_Call_Stack (Str : String; Skip : Natural)
+   is
+      Bt : Backtrace_Addrs;
+   begin
+      Save_Backtrace (Bt, Skip + 1);
+      Diag_C (Str);
+      Error_E_Call_Stack (Bt);
+   end Error_Call_Stack;
+
+   procedure Error_E_Call_Stack (Bt : Backtrace_Addrs)
+   is
+      use Grt.Signals;
+      use Grt.Rtis_Addr;
+      use Grt.Threads;
+      use Grt.Processes;
+      use Grt.Rtis_Utils;
+      Proc : Process_Acc;
+      Proc_Rti : Rti_Context;
+   begin
+      Newline_Err;
+
+      Proc := Get_Current_Process;
+      if Proc /= null then
+         Proc_Rti := Get_Rti_Context (Proc);
+         if Proc_Rti /= Null_Context then
+            Diag_C ("in process ");
+            Put (Get_Error_Stream, Proc_Rti);
+            Newline_Err;
+         end if;
+      end if;
+
+      Grt.Backtraces.Put_Err_Backtrace (Bt);
+
+      --  Should be able to call Error_E, but we don't want the newline.
+      Fatal_Error;
+   end Error_E_Call_Stack;
+
+   procedure Error_E_Call_Stack (Bt : Backtrace_Addrs_Acc) is
+   begin
+      if Bt /= null then
+         Error_E_Call_Stack (Bt.all);
+      else
+         Error_E;
+      end if;
+   end Error_E_Call_Stack;
+
+   procedure Grt_Overflow_Error (Bt : Backtrace_Addrs_Acc) is
+   begin
+      Error_S ("overflow detected");
+      Error_E_Call_Stack (Bt);
+   end Grt_Overflow_Error;
+
+   procedure Grt_Null_Access_Error (Bt : Backtrace_Addrs_Acc) is
+   begin
+      Error_S ("NULL access dereferenced");
+      Error_E_Call_Stack (Bt);
+   end Grt_Null_Access_Error;
+end Grt.Errors_Exec;