backtrace: add support for windows and for llvm (via libbacktrace).

4 files changed, 15 insertions, 6 deletions

diff --git a/src/ortho/mcode/binary_file-memory.adb b/src/ortho/mcode/binary_file-memory.adb
index 9797cd6b9..c9bb8ae2d 100644
--- a/src/ortho/mcode/binary_file-memory.adb
+++ b/src/ortho/mcode/binary_file-memory.adb
@@ -1,5 +1,5 @@
 --  Binary file execute in memory handler.
---  Copyright (C) 2006 Tristan Gingold
+--  Copyright (C) 2006 - 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
@@ -95,10 +95,10 @@ package body Binary_File.Memory is
       end loop;
    end Write_Memory_Relocate;
 
-   function Get_Section_Base (Sect : Section_Acc) return System.Address is
+   function Get_Section_Addr (Sect : Section_Acc) return System.Address is
    begin
       return Sect.Data (0)'Address;
-   end Get_Section_Base;
+   end Get_Section_Addr;
 
    function Get_Section_Size (Sect : Section_Acc) return Pc_Type is
    begin
diff --git a/src/ortho/mcode/binary_file-memory.ads b/src/ortho/mcode/binary_file-memory.ads
index cc2b7e39b..67755021a 100644
--- a/src/ortho/mcode/binary_file-memory.ads
+++ b/src/ortho/mcode/binary_file-memory.ads
@@ -1,5 +1,5 @@
 --  Binary file execute in memory handler.
---  Copyright (C) 2006 Tristan Gingold
+--  Copyright (C) 2006-2015 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
@@ -21,13 +21,18 @@ package Binary_File.Memory is
 
    --  Must be called before set_symbol_address.
    procedure Write_Memory_Init;
+
+   --  Give a value to an undefined or external symbol.
    procedure Set_Symbol_Address (Sym : Symbol; Addr : System.Address);
 
+   --  Do the real work: resolve relocations.
    procedure Write_Memory_Relocate (Error : out Boolean);
 
-   function Get_Section_Base (Sect : Section_Acc) return System.Address;
+   --  Read the result: get address and size of a section.
+   function Get_Section_Addr (Sect : Section_Acc) return System.Address;
    function Get_Section_Size (Sect : Section_Acc) return Pc_Type;
 
+   --  Helpers.
    function To_Pc_Type is new Ada.Unchecked_Conversion
      (Source => System.Address, Target => Pc_Type);
    function To_Address is new Ada.Unchecked_Conversion
diff --git a/src/ortho/mcode/ortho_jit.adb b/src/ortho/mcode/ortho_jit.adb
index f01c8fafa..6f4fa3769 100644
--- a/src/ortho/mcode/ortho_jit.adb
+++ b/src/ortho/mcode/ortho_jit.adb
@@ -120,6 +120,7 @@ package body Ortho_Jit is
       use Ada.Text_IO;
    begin
       Put_Line (" -g             Generate debugging informations");
+      Put_Line (" -g0            Do not generate any debugging informations");
       Put_Line (" --debug-be=X   Set X internal debugging flags");
       Put_Line (" --snap=FILE    Write memory snapshot to FILE");
    end Disp_Help;
@@ -145,7 +146,7 @@ package body Ortho_Jit is
          if Sect = null then
             return (Null_Address, 0);
          else
-            Addr := Get_Section_Base (Sect);
+            Addr := Get_Section_Addr (Sect);
             Size := Get_Section_Size (Sect);
             return (Addr, Storage_Offset (Size));
          end if;
diff --git a/src/ortho/ortho_jit.ads b/src/ortho/ortho_jit.ads
index 76a3f2906..a47cdc995 100644
--- a/src/ortho/ortho_jit.ads
+++ b/src/ortho/ortho_jit.ads
@@ -40,6 +40,9 @@ package Ortho_Jit is
    --  Return the name of the code generator, to be displayed by --version.
    function Get_Jit_Name return String;
 
+   --  Symbolizer: convert PC to a filename (a NUL terminated string), line
+   --  number and subprogram name (NUL terminated).
+   --  Unresolved values are Null_Address and 0.
    procedure Symbolize (Pc : Address;
                         Filename : out Address;
                         Lineno : out Natural;