DW_AT_stmt_list attribute attached with a compile unit encodes offset of line number information for this compile unit in debug_line section. This offset is always zero when only one compile unit is emitted in a object file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99223 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index c935d3a..83cac79 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -386,16 +386,6 @@
Die->addValue(Attribute, Form, Value);
}
-/// addSectionOffset - Add a section offset label attribute data and value.
-///
-void DwarfDebug::addSectionOffset(DIE *Die, unsigned Attribute, unsigned Form,
- const MCSymbol *Label,const MCSymbol *Section,
- bool isEH) {
- DIEValue *Value = new DIESectionOffset(Label, Section, isEH);
- DIEValues.push_back(Value);
- Die->addValue(Attribute, Form, Value);
-}
-
/// addDelta - Add a label delta attribute data and value.
///
void DwarfDebug::addDelta(DIE *Die, unsigned Attribute, unsigned Form,
@@ -1666,10 +1656,10 @@
unsigned ID = GetOrCreateSourceID(Dir, FN);
DIE *Die = new DIE(dwarf::DW_TAG_compile_unit);
- // FIXME: Why getting the delta between two identical labels??
- addSectionOffset(Die, dwarf::DW_AT_stmt_list, dwarf::DW_FORM_data4,
- getTempLabel("section_line"), getTempLabel("section_line"),
- false);
+ // DW_AT_stmt_list is a offset of line number information for this
+ // compile unit in debug_line section. It is always zero when only one
+ // compile unit is emitted in one object file.
+ addUInt(Die, dwarf::DW_AT_stmt_list, dwarf::DW_FORM_data4, 0);
addString(Die, dwarf::DW_AT_producer, dwarf::DW_FORM_string,
DIUnit.getProducer());
addUInt(Die, dwarf::DW_AT_language, dwarf::DW_FORM_data1,