DebugInfo: Push header handling down into CompileUnit
This is a preliminary step to handling type units by abstracting over
all (type or compile) units.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193714 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 94fd815..771cb32 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -1972,11 +1972,8 @@
(*I)->setDebugInfoOffset(SecOffset);
// CU-relative offset is reset to 0 here.
- unsigned Offset =
- sizeof(int32_t) + // Length of Compilation Unit Info
- sizeof(int16_t) + // DWARF version number
- sizeof(int32_t) + // Offset Into Abbrev. Section
- sizeof(int8_t); // Pointer Size (in bytes)
+ unsigned Offset = sizeof(int32_t) + // Length of Unit Info
+ (*I)->getHeaderSize(); // Unit-specific headers
// EndOffset here is CU-relative, after laying out
// all of the CU DIE.
@@ -2163,20 +2160,10 @@
TheCU->getUniqueID()));
// Emit size of content not including length itself
- unsigned ContentSize = Die->getSize() +
- sizeof(int16_t) + // DWARF version number
- sizeof(int32_t) + // Offset Into Abbrev. Section
- sizeof(int8_t); // Pointer Size (in bytes)
+ Asm->OutStreamer.AddComment("Length of Unit");
+ Asm->EmitInt32(TheCU->getHeaderSize() + Die->getSize());
- Asm->OutStreamer.AddComment("Length of Compilation Unit Info");
- Asm->EmitInt32(ContentSize);
- Asm->OutStreamer.AddComment("DWARF version number");
- Asm->EmitInt16(DD->getDwarfVersion());
- Asm->OutStreamer.AddComment("Offset Into Abbrev. Section");
- Asm->EmitSectionOffset(Asm->GetTempSymbol(ASection->getLabelBeginName()),
- ASectionSym);
- Asm->OutStreamer.AddComment("Address Size (in bytes)");
- Asm->EmitInt8(Asm->getDataLayout().getPointerSize());
+ TheCU->emitHeader(ASection, ASectionSym);
DD->emitDIE(Die, Abbreviations);
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol(USection->getLabelEndName(),