Add symbolizer (for mcode).

Display a backtrace in case of failed check or assert failure.

1 files changed, 48 insertions, 0 deletions

diff --git a/src/ortho/mcode/symbolizer.ads b/src/ortho/mcode/symbolizer.ads
new file mode 100644
index 000000000..c31b948f4
--- /dev/null
+++ b/src/ortho/mcode/symbolizer.ads
@@ -0,0 +1,48 @@
+--  Dwarf symbolizer.
+--  Copyright (C) 2015 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.
+
+with System.Storage_Elements;
+use System; use System.Storage_Elements;
+
+package Symbolizer is
+   --  Address (in memory) and size of a debug section.
+   type Section_Content is record
+      Vaddr : Address;
+      Size : Storage_Offset;
+   end record;
+
+   --  Input sections.
+   type Dwarf_Sections is record
+      Debug_Line : Section_Content;
+      Debug_Info : Section_Content;
+      Debug_Abbrev : Section_Content;
+   end record;
+
+   --  The result, using C strings.
+   type Symbolize_Result is record
+      Filename : Address;
+      Line : Natural;
+      Subprg_Name : Address;
+   end record;
+
+   --  Translate PC to filename, line number and subprogram name using dwarf
+   --  debug infos.
+   procedure Symbolize_Address (Pc : Address;
+                                Sections : Dwarf_Sections;
+                                Res : out Symbolize_Result);
+end Symbolizer;