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| author | dim <dim@FreeBSD.org> | 2014-11-24 17:02:24 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2014-11-24 17:02:24 +0000 |
| commit | 2c8643c6396b0a3db33430cf9380e70bbb9efce0 (patch) | |
| tree | 4df130b28021d86e13bf4565ef58c1c5a5e093b4 /contrib/llvm/lib/Object/RecordStreamer.cpp | |
| parent | 678318cd20f7db4e6c6b85d83fe00fa327b04fca (diff) | |
| parent | e27feadae0885aa074df58ebfda2e7a7f7a7d590 (diff) | |
| download | FreeBSD-src-2c8643c6396b0a3db33430cf9380e70bbb9efce0.zip FreeBSD-src-2c8643c6396b0a3db33430cf9380e70bbb9efce0.tar.gz | |
Merge llvm 3.5.0 release from ^/vendor/llvm/dist, resolve conflicts, and
preserve our customizations, where necessary.
Diffstat (limited to 'contrib/llvm/lib/Object/RecordStreamer.cpp')
| -rw-r--r-- | contrib/llvm/lib/Object/RecordStreamer.cpp | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Object/RecordStreamer.cpp b/contrib/llvm/lib/Object/RecordStreamer.cpp new file mode 100644 index 0000000..081fadd --- /dev/null +++ b/contrib/llvm/lib/Object/RecordStreamer.cpp @@ -0,0 +1,100 @@ +//===-- RecordStreamer.cpp - Record asm definde and used symbols ----------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "RecordStreamer.h" +#include "llvm/MC/MCSymbol.h" +using namespace llvm; + +void RecordStreamer::markDefined(const MCSymbol &Symbol) { + State &S = Symbols[Symbol.getName()]; + switch (S) { + case DefinedGlobal: + case Global: + S = DefinedGlobal; + break; + case NeverSeen: + case Defined: + case Used: + S = Defined; + break; + } +} + +void RecordStreamer::markGlobal(const MCSymbol &Symbol) { + State &S = Symbols[Symbol.getName()]; + switch (S) { + case DefinedGlobal: + case Defined: + S = DefinedGlobal; + break; + + case NeverSeen: + case Global: + case Used: + S = Global; + break; + } +} + +void RecordStreamer::markUsed(const MCSymbol &Symbol) { + State &S = Symbols[Symbol.getName()]; + switch (S) { + case DefinedGlobal: + case Defined: + case Global: + break; + + case NeverSeen: + case Used: + S = Used; + break; + } +} + +void RecordStreamer::visitUsedSymbol(const MCSymbol &Sym) { markUsed(Sym); } + +RecordStreamer::const_iterator RecordStreamer::begin() { + return Symbols.begin(); +} + +RecordStreamer::const_iterator RecordStreamer::end() { return Symbols.end(); } + +RecordStreamer::RecordStreamer(MCContext &Context) : MCStreamer(Context) {} + +void RecordStreamer::EmitInstruction(const MCInst &Inst, + const MCSubtargetInfo &STI) { + MCStreamer::EmitInstruction(Inst, STI); +} + +void RecordStreamer::EmitLabel(MCSymbol *Symbol) { + MCStreamer::EmitLabel(Symbol); + markDefined(*Symbol); +} + +void RecordStreamer::EmitAssignment(MCSymbol *Symbol, const MCExpr *Value) { + markDefined(*Symbol); + MCStreamer::EmitAssignment(Symbol, Value); +} + +bool RecordStreamer::EmitSymbolAttribute(MCSymbol *Symbol, + MCSymbolAttr Attribute) { + if (Attribute == MCSA_Global) + markGlobal(*Symbol); + return true; +} + +void RecordStreamer::EmitZerofill(const MCSection *Section, MCSymbol *Symbol, + uint64_t Size, unsigned ByteAlignment) { + markDefined(*Symbol); +} + +void RecordStreamer::EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size, + unsigned ByteAlignment) { + markDefined(*Symbol); +} |
