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Make sure we emit a relocation to the debug_ranges section in the

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presence of CU ranges.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199276 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher
2014-01-15 00:04:29 +00:00
parent 1dc66089e6
commit cd94a7676a
3 changed files with 16 additions and 3 deletions
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9
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@@ -209,6 +209,10 @@ DwarfDebug::DwarfDebug(AsmPrinter *A, Module *M)
else
HasDwarfPubSections = DwarfPubSections == Enable;
// For now only turn on CU ranges if we've explicitly asked for it
// or we have -ffunction-sections enabled.
HasCURanges = DwarfCURanges || TargetMachine::getFunctionSections();
DwarfVersion = DwarfVersionNumber
? DwarfVersionNumber
: getDwarfVersionFromModule(MMI->getModule());
@@ -1057,8 +1061,7 @@ void DwarfDebug::finalizeModuleInfo() {
// FIXME: We should use ranges if we have multiple compile units or
// allow reordering of code ala .subsections_via_symbols in mach-o.
DwarfCompileUnit *U = SkCU ? SkCU : static_cast<DwarfCompileUnit *>(TheU);
if ((DwarfCURanges || TargetMachine::getFunctionSections()) &&
TheU->getRanges().size())
if (useCURanges() && TheU->getRanges().size())
addSectionLabel(Asm, U, U->getUnitDie(), dwarf::DW_AT_ranges,
Asm->GetTempSymbol("cu_ranges", U->getUniqueID()),
DwarfDebugRangeSectionSym);
@@ -2910,7 +2913,7 @@ void DwarfDebug::emitDebugRanges() {
}
// Now emit a range for the CU itself.
if (DwarfCURanges) {
if (useCURanges()) {
Asm->OutStreamer.EmitLabel(
Asm->GetTempSymbol("cu_ranges", TheCU->getUniqueID()));
const SmallVectorImpl<RangeSpan> &Ranges = TheCU->getRanges();