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Added support for generate DWARF .debug_aranges sections automatically.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191052 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Richard Mitton
2013-09-19 23:21:01 +00:00
parent 70e0b047be
commit 5cc319a42a
18 changed files with 453 additions and 26 deletions
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11
lib/MC/MCAsmStreamer.cpp
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@@ -533,6 +533,9 @@ void MCAsmStreamer::EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) {
void MCAsmStreamer::EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
unsigned ByteAlignment) {
const MCSection *Section = getContext().getObjectFileInfo()->getBSSSection();
AssignSection(Symbol, Section);
OS << "\t.comm\t" << *Symbol << ',' << Size;
if (ByteAlignment != 0) {
if (MAI->getCOMMDirectiveAlignmentIsInBytes())
@@ -549,6 +552,9 @@ void MCAsmStreamer::EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
/// @param Size - The size of the common symbol.
void MCAsmStreamer::EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
unsigned ByteAlign) {
const MCSection *Section = getContext().getObjectFileInfo()->getBSSSection();
AssignSection(Symbol, Section);
OS << "\t.lcomm\t" << *Symbol << ',' << Size;
if (ByteAlign > 1) {
switch (MAI->getLCOMMDirectiveAlignmentType()) {
@@ -568,6 +574,9 @@ void MCAsmStreamer::EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
void MCAsmStreamer::EmitZerofill(const MCSection *Section, MCSymbol *Symbol,
uint64_t Size, unsigned ByteAlignment) {
if (Symbol)
AssignSection(Symbol, Section);
// Note: a .zerofill directive does not switch sections.
OS << ".zerofill ";
@@ -588,6 +597,8 @@ void MCAsmStreamer::EmitZerofill(const MCSection *Section, MCSymbol *Symbol,
// e.g. _a.
void MCAsmStreamer::EmitTBSSSymbol(const MCSection *Section, MCSymbol *Symbol,
uint64_t Size, unsigned ByteAlignment) {
AssignSection(Symbol, Section);
assert(Symbol != NULL && "Symbol shouldn't be NULL!");
// Instead of using the Section we'll just use the shortcut.
// This is a mach-o specific directive and section.