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DebugInfo: Factor out common functionality for rendering debug_loc and debug_loc.dwo location list entries

Browse Source 
In preparation for refactoring this function into two, one for
debug_loc, one for debug_loc.dwo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205324 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie 2014-04-01 16:17:41 +00:00
parent 6817d33dda
commit 6b10f3a87d
2 changed files with 17 additions and 10 deletions
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24
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
View File

@ -2386,6 +2386,19 @@ void DwarfDebug::emitDebugLocEntry(ByteStreamer &Streamer,
// FIXME: ^
}
void DwarfDebug::emitDebugLocEntryLocation(const DebugLocEntry &Entry) {
Asm->OutStreamer.AddComment("Loc expr size");
MCSymbol *begin = Asm->OutStreamer.getContext().CreateTempSymbol();
MCSymbol *end = Asm->OutStreamer.getContext().CreateTempSymbol();
Asm->EmitLabelDifference(end, begin, 2);
Asm->OutStreamer.EmitLabel(begin);
// Emit the entry.
APByteStreamer Streamer(*Asm);
emitDebugLocEntry(Streamer, Entry);
// Close the range.
Asm->OutStreamer.EmitLabel(end);
}
// Emit locations into the debug loc section.
void DwarfDebug::emitDebugLoc() {
// Start the dwarf loc section.
@ -2419,16 +2432,7 @@ void DwarfDebug::emitDebugLoc() {
Asm->OutStreamer.EmitSymbolValue(Entry.getBeginSym(), Size);
Asm->OutStreamer.EmitSymbolValue(Entry.getEndSym(), Size);
}
Asm->OutStreamer.AddComment("Loc expr size");
MCSymbol *begin = Asm->OutStreamer.getContext().CreateTempSymbol();
MCSymbol *end = Asm->OutStreamer.getContext().CreateTempSymbol();
Asm->EmitLabelDifference(end, begin, 2);
Asm->OutStreamer.EmitLabel(begin);
// Emit the entry.
APByteStreamer Streamer(*Asm);
emitDebugLocEntry(Streamer, Entry);
// Close the range.
Asm->OutStreamer.EmitLabel(end);
emitDebugLocEntryLocation(Entry);
}
if (useSplitDwarf())
Asm->EmitInt8(dwarf::DW_LLE_end_of_list_entry);

3
lib/CodeGen/AsmPrinter/DwarfDebug.h
View File

@ -772,6 +772,9 @@ public:
/// handle an entry that's going to be emitted into the debug loc section.
void emitDebugLocEntry(ByteStreamer &Streamer, const DebugLocEntry &Entry);
/// Emit the location for a debug loc entry, including the size header.
void emitDebugLocEntryLocation(const DebugLocEntry &Entry);
/// Find the MDNode for the given reference.
template <typename T> T resolve(DIRef<T> Ref) const {
return Ref.resolve(TypeIdentifierMap);