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Make EmitTBSSSymbol take a section argument so that we can find it later. 

Fix up callers and users.

llvm-svn: 104057
This commit is contained in:
Eric Christopher 2010-05-18 21:16:04 +00:00
parent 663543b4d7
commit 5c87be766d
4 changed files with 18 additions and 11 deletions
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5
llvm/include/llvm/MC/MCStreamer.h
View File

@ -190,12 +190,13 @@ namespace llvm {
/// EmitTBSSSymbol - Emit a thread local bss (.tbss) symbol.
///
/// @param Section - The thread local common section.
/// @param Symbol - The thread local common symbol to emit.
/// @param Size - The size of the symbol.
/// @param ByteAlignment - The alignment of the thread local common symbol
/// if non-zero. This must be a power of 2 on some targets.
virtual void EmitTBSSSymbol(MCSymbol *Symbol, uint64_t Size,
unsigned ByteAlignment = 0) = 0;
virtual void EmitTBSSSymbol(const MCSection *Section, MCSymbol *Symbol,
uint64_t Size, unsigned ByteAlignment = 0) = 0;
/// @}
/// @name Generating Data
/// @{

15
llvm/lib/MC/MCAsmStreamer.cpp
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@ -126,8 +126,8 @@ public:
virtual void EmitZerofill(const MCSection *Section, MCSymbol *Symbol = 0,
unsigned Size = 0, unsigned ByteAlignment = 0);
virtual void EmitTBSSSymbol (MCSymbol *Symbol, uint64_t Size,
unsigned ByteAlignment = 0);
virtual void EmitTBSSSymbol (const MCSection *Section, MCSymbol *Symbol,
uint64_t Size, unsigned ByteAlignment = 0);
virtual void EmitBytes(StringRef Data, unsigned AddrSpace);
@ -366,13 +366,16 @@ void MCAsmStreamer::EmitZerofill(const MCSection *Section, MCSymbol *Symbol,
// .tbss sym, size, align
// This depends that the symbol has already been mangled from the original,
// e.g. _a.
void MCAsmStreamer::EmitTBSSSymbol(MCSymbol *Symbol, uint64_t Size,
unsigned ByteAlignment) {
void MCAsmStreamer::EmitTBSSSymbol(const MCSection *Section, MCSymbol *Symbol,
uint64_t Size, unsigned ByteAlignment) {
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.
OS << ".tbss " << *Symbol << ", " << Size;
// Output align if we have it.
if (ByteAlignment != 0) OS << ", " << Log2_32(ByteAlignment);
// Output align if we have it. We default to 1 so don't bother printing
// that.
if (ByteAlignment > 1) OS << ", " << Log2_32(ByteAlignment);
EmitEOL();
}

4
llvm/lib/MC/MCNullStreamer.cpp
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@ -55,8 +55,8 @@ namespace {
virtual void EmitZerofill(const MCSection *Section, MCSymbol *Symbol = 0,
unsigned Size = 0, unsigned ByteAlignment = 0) {}
virtual void EmitTBSSSymbol(MCSymbol *Symbol, uint64_t Size,
unsigned ByteAlignment) {}
virtual void EmitTBSSSymbol(const MCSection *Section, MCSymbol *Symbol,
uint64_t Size, unsigned ByteAlignment) {}
virtual void EmitBytes(StringRef Data, unsigned AddrSpace) {}
virtual void EmitValue(const MCExpr *Value, unsigned Size,

5
llvm/lib/MC/MCParser/AsmParser.cpp
View File

@ -1536,7 +1536,10 @@ bool AsmParser::ParseDirectiveDarwinTBSS() {
if (!Sym->isUndefined())
return Error(IDLoc, "invalid symbol redefinition");
Out.EmitTBSSSymbol(Sym, Size, Pow2Alignment ? 1 << Pow2Alignment : 0);
Out.EmitTBSSSymbol(Ctx.getMachOSection("__DATA", "__thread_bss",
MCSectionMachO::S_THREAD_LOCAL_ZEROFILL,
0, SectionKind::getThreadBSS()),
Sym, Size, 1 << Pow2Alignment);
return false;
}