elimiante the DWLabel class, using MCSymbol instead. Start
switching some stuff over to passing around MCSymbol* instead
of stem+ID.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97993 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp b/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp
index 28ff0eb..26f4c5f 100644
--- a/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp
@@ -37,6 +37,27 @@
RI(Asm->TM.getRegisterInfo()), M(NULL), MF(NULL), MMI(NULL),
SubprogramCount(0), Flavor(flavor), SetCounter(1) {}
+
+/// getDWLabel - Return the MCSymbol corresponding to the assembler temporary
+/// label with the specified stem and unique ID.
+MCSymbol *DwarfPrinter::getDWLabel(const char *Name, unsigned ID) const {
+ // FIXME: REMOVE this. However, there is stuff in EH that passes counters in
+ // here that can be zero.
+
+ //assert(ID && "Should use getTempLabel if no ID");
+ if (ID == 0) return getTempLabel(Name);
+ return Asm->OutContext.GetOrCreateSymbol(Twine(MAI->getPrivateGlobalPrefix())
+ + Twine(Name) + Twine(ID));
+}
+
+/// getTempLabel - Return the MCSymbol corresponding to the assembler temporary
+/// label with the specified name.
+MCSymbol *DwarfPrinter::getTempLabel(const char *Name) const {
+ return Asm->OutContext.GetOrCreateSymbol(Twine(MAI->getPrivateGlobalPrefix())
+ + Name);
+}
+
+
/// SizeOfEncodedValue - Return the size of the encoding in bytes.
unsigned DwarfPrinter::SizeOfEncodedValue(unsigned Encoding) const {
if (Encoding == dwarf::DW_EH_PE_omit)
@@ -193,12 +214,19 @@
/// PrintLabelName - Print label name in form used by Dwarf writer.
///
+void DwarfPrinter::PrintLabelName(const MCSymbol *Label) const {
+ // FIXME: REMOVE.
+ O << Label->getName();
+}
+
void DwarfPrinter::PrintLabelName(const char *Tag, unsigned Number) const {
+ // FIXME: REMOVE.
O << MAI->getPrivateGlobalPrefix() << Tag;
if (Number) O << Number;
}
void DwarfPrinter::PrintLabelName(const char *Tag, unsigned Number,
const char *Suffix) const {
+ // FIXME: REMOVE.
O << MAI->getPrivateGlobalPrefix() << Tag;
if (Number) O << Number;
O << Suffix;
@@ -207,6 +235,7 @@
/// EmitLabel - Emit location label for internal use by Dwarf.
///
void DwarfPrinter::EmitLabel(const char *Tag, unsigned Number) const {
+ // FIXME: REMOVE.
PrintLabelName(Tag, Number);
O << ":\n";
}
@@ -235,12 +264,8 @@
void DwarfPrinter::EmitReference(const char *Tag, unsigned Number,
unsigned Encoding) const {
- SmallString<64> Name;
- raw_svector_ostream(Name) << MAI->getPrivateGlobalPrefix()
- << Tag << Number;
-
- MCSymbol *Sym = Asm->OutContext.GetOrCreateSymbol(Name.str());
- EmitReference(Sym, Encoding);
+ // FIXME: REMOVE.
+ EmitReference(getDWLabel(Tag, Number), Encoding);
}
void DwarfPrinter::EmitReference(const MCSymbol *Sym, unsigned Encoding) const {
@@ -260,6 +285,31 @@
/// EmitDifference - Emit the difference between two labels. If this assembler
/// supports .set, we emit a .set of a temporary and then use it in the .word.
+void DwarfPrinter::EmitDifference(const MCSymbol *TagHi, const MCSymbol *TagLo,
+ bool IsSmall) {
+ if (MAI->hasSetDirective()) {
+ // FIXME: switch to OutStreamer.EmitAssignment.
+ O << "\t.set\t";
+ PrintLabelName("set", SetCounter, Flavor);
+ O << ",";
+ PrintLabelName(TagHi);
+ O << "-";
+ PrintLabelName(TagLo);
+ O << "\n";
+
+ PrintRelDirective(IsSmall);
+ PrintLabelName("set", SetCounter, Flavor);
+ ++SetCounter;
+ } else {
+ PrintRelDirective(IsSmall);
+ PrintLabelName(TagHi);
+ O << "-";
+ PrintLabelName(TagLo);
+ }
+}
+
+/// EmitDifference - Emit the difference between two labels. If this assembler
+/// supports .set, we emit a .set of a temporary and then use it in the .word.
void DwarfPrinter::EmitDifference(const char *TagHi, unsigned NumberHi,
const char *TagLo, unsigned NumberLo,
bool IsSmall) {
@@ -272,7 +322,7 @@
O << "-";
PrintLabelName(TagLo, NumberLo);
O << "\n";
-
+
PrintRelDirective(IsSmall);
PrintLabelName("set", SetCounter, Flavor);
++SetCounter;
@@ -284,9 +334,8 @@
}
}
-void DwarfPrinter::EmitSectionOffset(const char* Label, const char* Section,
- unsigned LabelNumber,
- unsigned SectionNumber,
+void DwarfPrinter::EmitSectionOffset(const MCSymbol *Label,
+ const MCSymbol *Section,
bool IsSmall, bool isEH,
bool useSet) {
bool printAbsolute = false;
@@ -300,11 +349,11 @@
O << "\t.set\t";
PrintLabelName("set", SetCounter, Flavor);
O << ",";
- PrintLabelName(Label, LabelNumber);
+ PrintLabelName(Label);
if (!printAbsolute) {
O << "-";
- PrintLabelName(Section, SectionNumber);
+ PrintLabelName(Section);
}
O << "\n";
@@ -313,11 +362,11 @@
++SetCounter;
} else {
PrintRelDirective(IsSmall, true);
- PrintLabelName(Label, LabelNumber);
+ PrintLabelName(Label);
if (!printAbsolute) {
O << "-";
- PrintLabelName(Section, SectionNumber);
+ PrintLabelName(Section);
}
}
}