[PATCH] Emit DWARF info for all code section in an assembly file

[Adrian Prantl]

Hi Oliver,

generally, Doxygen comments for the new functions never hurt.

One question:
It looks like we’re hardcoding a version here:
 
-  // The 2 byte DWARF version, which is 2.
-  MCOS->EmitIntValue(2, 2);
+  // The 2 byte DWARF version, which is 3.
+  MCOS->EmitIntValue(3, 2);

Shouldn’t this be somehow derived from the version attribute in the module?
E.g., clang -gdwarf-2 will result in a Module attribute like

  !0 = metadata !{i32 2, metadata !"Dwarf Version", i32 2},

and then for example, we should never emit anything that needs Dwarf3 features.

-- adrian