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Move the AddressPool from DwarfFile to DwarfDebug.

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There's only ever one address pool, not one per DWARF output file, so
let's just have one.

(similar refactoring of the string pool to come soon)

llvm-svn: 207026
This commit is contained in:
David Blaikie 2014-04-23 21:20:10 +00:00
parent ae2c262f6c
commit f96fd788df
4 changed files with 10 additions and 11 deletions
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7
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
View File

@ -888,7 +888,7 @@ void DwarfDebug::finalizeModuleInfo() {
// We don't keep track of which addresses are used in which CU so this
// is a bit pessimistic under LTO.
if (!InfoHolder.getAddressPool().isEmpty())
if (!AddrPool.isEmpty())
addSectionLabel(*Asm, *SkCU, SkCU->getUnitDie(),
dwarf::DW_AT_GNU_addr_base, DwarfAddrSectionSym,
DwarfAddrSectionSym);
@ -1019,8 +1019,7 @@ void DwarfDebug::endModule() {
emitDebugAbbrevDWO();
emitDebugLineDWO();
// Emit DWO addresses.
InfoHolder.getAddressPool().emit(
*Asm, Asm->getObjFileLowering().getDwarfAddrSection());
AddrPool.emit(*Asm, Asm->getObjFileLowering().getDwarfAddrSection());
emitDebugLocDWO();
} else
// Emit info into a debug loc section.
@ -2205,7 +2204,7 @@ void DwarfDebug::emitDebugLocDWO() {
// address we know we've emitted elsewhere (the start of the function?
// The start of the CU or CU subrange that encloses this range?)
Asm->EmitInt8(dwarf::DW_LLE_start_length_entry);
unsigned idx = InfoHolder.getAddressPool().getIndex(Entry.getBeginSym());
unsigned idx = AddrPool.getIndex(Entry.getBeginSym());
Asm->EmitULEB128(idx);
Asm->EmitLabelDifference(Entry.getEndSym(), Entry.getBeginSym(), 4);

4
lib/CodeGen/AsmPrinter/DwarfDebug.h
View File

@ -321,6 +321,8 @@ class DwarfDebug : public AsmPrinterHandler {
// True iff there are multiple CUs in this module.
bool SingleCU;
AddressPool AddrPool;
MCDwarfDwoLineTable *getDwoLineTable(const DwarfCompileUnit &);
void addScopeVariable(LexicalScope *LS, DbgVariable *Var);
@ -631,6 +633,8 @@ public:
/// isSubprogramContext - Return true if Context is either a subprogram
/// or another context nested inside a subprogram.
bool isSubprogramContext(const MDNode *Context);
AddressPool &getAddressPool() { return AddrPool; }
};
} // End of namespace llvm

4
lib/CodeGen/AsmPrinter/DwarfFile.h
View File

@ -52,8 +52,6 @@ class DwarfFile {
unsigned NextStringPoolNumber;
std::string StringPref;
AddressPool AddrPool;
public:
DwarfFile(AsmPrinter *AP, const char *Pref, BumpPtrAllocator &DA);
@ -98,8 +96,6 @@ public:
/// \brief Returns the string pool.
StrPool *getStringPool() { return &StringPool; }
AddressPool &getAddressPool() { return AddrPool; }
};
}
#endif

6
lib/CodeGen/AsmPrinter/DwarfUnit.cpp
View File

@ -290,7 +290,7 @@ void DwarfCompileUnit::addLabelAddress(DIE *Die, dwarf::Attribute Attribute,
if (Label)
DD->addArangeLabel(SymbolCU(this, Label));
unsigned idx = DU->getAddressPool().getIndex(Label);
unsigned idx = DD->getAddressPool().getIndex(Label);
DIEValue *Value = new (DIEValueAllocator) DIEInteger(idx);
Die->addValue(Attribute, dwarf::DW_FORM_GNU_addr_index, Value);
}
@ -336,7 +336,7 @@ void DwarfUnit::addOpAddress(DIELoc *Die, const MCSymbol *Sym) {
} else {
addUInt(Die, dwarf::DW_FORM_data1, dwarf::DW_OP_GNU_addr_index);
addUInt(Die, dwarf::DW_FORM_GNU_addr_index,
DU->getAddressPool().getIndex(Sym));
DD->getAddressPool().getIndex(Sym));
}
}
@ -1669,7 +1669,7 @@ void DwarfCompileUnit::createGlobalVariableDIE(DIGlobalVariable GV) {
} else {
addUInt(Loc, dwarf::DW_FORM_data1, dwarf::DW_OP_GNU_const_index);
addUInt(Loc, dwarf::DW_FORM_udata,
DU->getAddressPool().getIndex(Sym, /* TLS */ true));
DD->getAddressPool().getIndex(Sym, /* TLS */ true));
}
// 3) followed by a custom OP to make the debugger do a TLS lookup.
addUInt(Loc, dwarf::DW_FORM_data1, dwarf::DW_OP_GNU_push_tls_address);