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-rw-r--r--llvm/lib/CodeGen/AsmPrinter/DwarfAccelTable.cpp11
-rw-r--r--llvm/lib/CodeGen/AsmPrinter/DwarfAccelTable.h4
-rw-r--r--llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp54
-rw-r--r--llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h7
-rw-r--r--llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp5
-rw-r--r--llvm/lib/CodeGen/AsmPrinter/DwarfFile.h3
-rw-r--r--llvm/lib/CodeGen/AsmPrinter/DwarfStringPool.cpp5
-rw-r--r--llvm/lib/CodeGen/AsmPrinter/DwarfStringPool.h9
-rw-r--r--llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp6
9 files changed, 43 insertions, 61 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfAccelTable.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfAccelTable.cpp
index e9527c458af..a9cbdbac076 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfAccelTable.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfAccelTable.cpp
@@ -174,7 +174,8 @@ void DwarfAccelTable::EmitOffsets(AsmPrinter *Asm, MCSymbol *SecBegin) {
// Walk through the buckets and emit the full data for each element in
// the bucket. For the string case emit the dies and the various offsets.
// Terminate each HashData bucket with 0.
-void DwarfAccelTable::EmitData(AsmPrinter *Asm, DwarfFile *D) {
+void DwarfAccelTable::EmitData(AsmPrinter *Asm, DwarfFile *D,
+ MCSymbol *StrSym) {
uint64_t PrevHash = UINT64_MAX;
for (size_t i = 0, e = Buckets.size(); i < e; ++i) {
for (HashList::const_iterator HI = Buckets[i].begin(),
@@ -183,8 +184,7 @@ void DwarfAccelTable::EmitData(AsmPrinter *Asm, DwarfFile *D) {
// Remember to emit the label for our offset.
Asm->OutStreamer.EmitLabel((*HI)->Sym);
Asm->OutStreamer.AddComment((*HI)->Str);
- Asm->EmitSectionOffset((*HI)->Data.StrSym,
- D->getStringPool().getSectionSymbol());
+ Asm->EmitSectionOffset((*HI)->Data.StrSym, StrSym);
Asm->OutStreamer.AddComment("Num DIEs");
Asm->EmitInt32((*HI)->Data.Values.size());
for (HashDataContents *HD : (*HI)->Data.Values) {
@@ -206,7 +206,8 @@ void DwarfAccelTable::EmitData(AsmPrinter *Asm, DwarfFile *D) {
}
// Emit the entire data structure to the output file.
-void DwarfAccelTable::Emit(AsmPrinter *Asm, MCSymbol *SecBegin, DwarfFile *D) {
+void DwarfAccelTable::Emit(AsmPrinter *Asm, MCSymbol *SecBegin, DwarfFile *D,
+ MCSymbol *StrSym) {
// Emit the header.
EmitHeader(Asm);
@@ -220,7 +221,7 @@ void DwarfAccelTable::Emit(AsmPrinter *Asm, MCSymbol *SecBegin, DwarfFile *D) {
EmitOffsets(Asm, SecBegin);
// Emit the hash data.
- EmitData(Asm, D);
+ EmitData(Asm, D, StrSym);
}
#ifndef NDEBUG
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfAccelTable.h b/llvm/lib/CodeGen/AsmPrinter/DwarfAccelTable.h
index 1b6f58a971c..ff809f25982 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfAccelTable.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfAccelTable.h
@@ -223,7 +223,7 @@ private:
void EmitBuckets(AsmPrinter *);
void EmitHashes(AsmPrinter *);
void EmitOffsets(AsmPrinter *, MCSymbol *);
- void EmitData(AsmPrinter *, DwarfFile *D);
+ void EmitData(AsmPrinter *, DwarfFile *D, MCSymbol *StrSym);
// Allocator for HashData and HashDataContents.
BumpPtrAllocator Allocator;
@@ -248,7 +248,7 @@ public:
void AddName(StringRef Name, MCSymbol *StrSym, const DIE *Die,
char Flags = 0);
void FinalizeTable(AsmPrinter *, StringRef);
- void Emit(AsmPrinter *, MCSymbol *, DwarfFile *);
+ void Emit(AsmPrinter *, MCSymbol *, DwarfFile *, MCSymbol *StrSym);
#ifndef NDEBUG
void print(raw_ostream &O);
void dump() { print(dbgs()); }
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 51a8b8d1dfb..1e5d09b410f 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -1880,54 +1880,41 @@ void DwarfDebug::emitEndOfLineMatrix(unsigned SectionEnd) {
Asm->EmitInt8(1);
}
-// Emit visible names into a hashed accelerator table section.
-void DwarfDebug::emitAccelNames() {
- AccelNames.FinalizeTable(Asm, "Names");
- Asm->OutStreamer.SwitchSection(
- Asm->getObjFileLowering().getDwarfAccelNamesSection());
- MCSymbol *SectionBegin = Asm->GetTempSymbol("names_begin");
+void DwarfDebug::emitAccel(DwarfAccelTable &Accel, const MCSection *Section,
+ StringRef TableName, StringRef SymName) {
+ Accel.FinalizeTable(Asm, TableName);
+ Asm->OutStreamer.SwitchSection(Section);
+ auto *SectionBegin = Asm->GetTempSymbol(SymName);
Asm->OutStreamer.EmitLabel(SectionBegin);
// Emit the full data.
- AccelNames.Emit(Asm, SectionBegin, &InfoHolder);
+ Accel.Emit(Asm, SectionBegin, &InfoHolder, DwarfStrSectionSym);
+}
+
+// Emit visible names into a hashed accelerator table section.
+void DwarfDebug::emitAccelNames() {
+ emitAccel(AccelNames, Asm->getObjFileLowering().getDwarfAccelNamesSection(),
+ "Names", "names_begin");
}
// Emit objective C classes and categories into a hashed accelerator table
// section.
void DwarfDebug::emitAccelObjC() {
- AccelObjC.FinalizeTable(Asm, "ObjC");
- Asm->OutStreamer.SwitchSection(
- Asm->getObjFileLowering().getDwarfAccelObjCSection());
- MCSymbol *SectionBegin = Asm->GetTempSymbol("objc_begin");
- Asm->OutStreamer.EmitLabel(SectionBegin);
-
- // Emit the full data.
- AccelObjC.Emit(Asm, SectionBegin, &InfoHolder);
+ emitAccel(AccelObjC, Asm->getObjFileLowering().getDwarfAccelObjCSection(),
+ "ObjC", "objc_begin");
}
// Emit namespace dies into a hashed accelerator table.
void DwarfDebug::emitAccelNamespaces() {
- AccelNamespace.FinalizeTable(Asm, "namespac");
- Asm->OutStreamer.SwitchSection(
- Asm->getObjFileLowering().getDwarfAccelNamespaceSection());
- MCSymbol *SectionBegin = Asm->GetTempSymbol("namespac_begin");
- Asm->OutStreamer.EmitLabel(SectionBegin);
-
- // Emit the full data.
- AccelNamespace.Emit(Asm, SectionBegin, &InfoHolder);
+ emitAccel(AccelNamespace,
+ Asm->getObjFileLowering().getDwarfAccelNamespaceSection(),
+ "namespac", "namespac_begin");
}
// Emit type dies into a hashed accelerator table.
void DwarfDebug::emitAccelTypes() {
-
- AccelTypes.FinalizeTable(Asm, "types");
- Asm->OutStreamer.SwitchSection(
- Asm->getObjFileLowering().getDwarfAccelTypesSection());
- MCSymbol *SectionBegin = Asm->GetTempSymbol("types_begin");
- Asm->OutStreamer.EmitLabel(SectionBegin);
-
- // Emit the full data.
- AccelTypes.Emit(Asm, SectionBegin, &InfoHolder);
+ emitAccel(AccelTypes, Asm->getObjFileLowering().getDwarfAccelTypesSection(),
+ "types", "types_begin");
}
// Public name handling.
@@ -2524,9 +2511,8 @@ void DwarfDebug::emitDebugStrDWO() {
assert(useSplitDwarf() && "No split dwarf?");
const MCSection *OffSec =
Asm->getObjFileLowering().getDwarfStrOffDWOSection();
- const MCSymbol *StrSym = DwarfStrSectionSym;
InfoHolder.emitStrings(Asm->getObjFileLowering().getDwarfStrDWOSection(),
- OffSec, StrSym);
+ OffSec);
}
MCDwarfDwoLineTable *DwarfDebug::getDwoLineTable(const DwarfCompileUnit &CU) {
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
index 9b892593624..f082373cbdb 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
@@ -422,6 +422,10 @@ class DwarfDebug : public AsmPrinterHandler {
/// the line matrix.
void emitEndOfLineMatrix(unsigned SectionEnd);
+ /// \brief Emit a specified accelerator table.
+ void emitAccel(DwarfAccelTable &Accel, const MCSection *Section,
+ StringRef TableName, StringRef SymName);
+
/// \brief Emit visible names into a hashed accelerator table section.
void emitAccelNames();
@@ -627,6 +631,9 @@ public:
/// Returns the section symbol for the .debug_loc section.
MCSymbol *getDebugLocSym() const { return DwarfDebugLocSectionSym; }
+ /// Returns the section symbol for the .debug_str section.
+ MCSymbol *getDebugStrSym() const { return DwarfStrSectionSym; }
+
/// Returns the previous CU that was being updated
const DwarfCompileUnit *getPrevCU() const { return PrevCU; }
void setPrevCU(const DwarfCompileUnit *PrevCU) { this->PrevCU = PrevCU; }
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp
index 737ee54f94b..e6b0da6b66a 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp
@@ -149,8 +149,7 @@ void DwarfFile::emitAbbrevs(const MCSection *Section) {
// Emit strings into a string section.
void DwarfFile::emitStrings(const MCSection *StrSection,
- const MCSection *OffsetSection,
- const MCSymbol *StrSecSym) {
- StrPool.emit(*Asm, StrSection, OffsetSection, StrSecSym);
+ const MCSection *OffsetSection) {
+ StrPool.emit(*Asm, StrSection, OffsetSection);
}
}
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfFile.h b/llvm/lib/CodeGen/AsmPrinter/DwarfFile.h
index 6cc3a194c0d..9ee4f86ac9a 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfFile.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfFile.h
@@ -74,8 +74,7 @@ public:
/// \brief Emit all of the strings to the section given.
void emitStrings(const MCSection *StrSection,
- const MCSection *OffsetSection = nullptr,
- const MCSymbol *StrSecSym = nullptr);
+ const MCSection *OffsetSection = nullptr);
/// \brief Returns the string pool.
DwarfStringPool &getStringPool() { return StrPool; }
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfStringPool.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfStringPool.cpp
index 72cab60e232..830b04acb3e 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfStringPool.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfStringPool.cpp
@@ -12,8 +12,6 @@
using namespace llvm;
-MCSymbol *DwarfStringPool::getSectionSymbol() { return SectionSymbol; }
-
static std::pair<MCSymbol *, unsigned> &
getEntry(AsmPrinter &Asm,
StringMap<std::pair<MCSymbol *, unsigned>, BumpPtrAllocator &> &Pool,
@@ -36,8 +34,7 @@ unsigned DwarfStringPool::getIndex(AsmPrinter &Asm, StringRef Str) {
}
void DwarfStringPool::emit(AsmPrinter &Asm, const MCSection *StrSection,
- const MCSection *OffsetSection,
- const MCSymbol *StrSecSym) {
+ const MCSection *OffsetSection) {
if (Pool.empty())
return;
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfStringPool.h b/llvm/lib/CodeGen/AsmPrinter/DwarfStringPool.h
index 3bf21705278..ab32c1b279b 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfStringPool.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfStringPool.h
@@ -28,18 +28,13 @@ class StringRef;
class DwarfStringPool {
StringMap<std::pair<MCSymbol *, unsigned>, BumpPtrAllocator &> Pool;
StringRef Prefix;
- MCSymbol *SectionSymbol;
public:
DwarfStringPool(BumpPtrAllocator &A, AsmPrinter &Asm, StringRef Prefix)
- : Pool(A), Prefix(Prefix), SectionSymbol(Asm.GetTempSymbol(Prefix)) {}
+ : Pool(A), Prefix(Prefix) {}
void emit(AsmPrinter &Asm, const MCSection *StrSection,
- const MCSection *OffsetSection = nullptr,
- const MCSymbol *StrSecSym = nullptr);
-
- /// \brief Returns the entry into the start of the pool.
- MCSymbol *getSectionSymbol();
+ const MCSection *OffsetSection = nullptr);
/// \brief Returns an entry into the string pool with the given
/// string text.
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
index bf7860803c3..4206ffd5535 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
@@ -225,10 +225,8 @@ void DwarfUnit::addLocalString(DIE &Die, dwarf::Attribute Attribute,
DIEValue *Value;
if (Asm->MAI->doesDwarfUseRelocationsAcrossSections())
Value = new (DIEValueAllocator) DIELabel(Symb);
- else {
- MCSymbol *StringPool = DU->getStringPool().getSectionSymbol();
- Value = new (DIEValueAllocator) DIEDelta(Symb, StringPool);
- }
+ else
+ Value = new (DIEValueAllocator) DIEDelta(Symb, DD->getDebugStrSym());
DIEValue *Str = new (DIEValueAllocator) DIEString(Value, String);
Die.addValue(Attribute, dwarf::DW_FORM_strp, Str);
}
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