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-rw-r--r--wasm/Symbols.cpp296
1 files changed, 0 insertions, 296 deletions
diff --git a/wasm/Symbols.cpp b/wasm/Symbols.cpp
deleted file mode 100644
index 4bef9761ec25..000000000000
--- a/wasm/Symbols.cpp
+++ /dev/null
@@ -1,296 +0,0 @@
-//===- Symbols.cpp --------------------------------------------------------===//
-//
-// The LLVM Linker
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "Symbols.h"
-#include "Config.h"
-#include "InputChunks.h"
-#include "InputEvent.h"
-#include "InputFiles.h"
-#include "InputGlobal.h"
-#include "OutputSegment.h"
-#include "lld/Common/ErrorHandler.h"
-#include "lld/Common/Strings.h"
-
-#define DEBUG_TYPE "lld"
-
-using namespace llvm;
-using namespace llvm::wasm;
-using namespace lld;
-using namespace lld::wasm;
-
-DefinedFunction *WasmSym::CallCtors;
-DefinedData *WasmSym::DsoHandle;
-DefinedData *WasmSym::DataEnd;
-DefinedData *WasmSym::HeapBase;
-GlobalSymbol *WasmSym::StackPointer;
-UndefinedGlobal *WasmSym::TableBase;
-UndefinedGlobal *WasmSym::MemoryBase;
-
-WasmSymbolType Symbol::getWasmType() const {
- if (isa<FunctionSymbol>(this))
- return WASM_SYMBOL_TYPE_FUNCTION;
- if (isa<DataSymbol>(this))
- return WASM_SYMBOL_TYPE_DATA;
- if (isa<GlobalSymbol>(this))
- return WASM_SYMBOL_TYPE_GLOBAL;
- if (isa<EventSymbol>(this))
- return WASM_SYMBOL_TYPE_EVENT;
- if (isa<SectionSymbol>(this))
- return WASM_SYMBOL_TYPE_SECTION;
- llvm_unreachable("invalid symbol kind");
-}
-
-InputChunk *Symbol::getChunk() const {
- if (auto *F = dyn_cast<DefinedFunction>(this))
- return F->Function;
- if (auto *D = dyn_cast<DefinedData>(this))
- return D->Segment;
- return nullptr;
-}
-
-bool Symbol::isLive() const {
- if (auto *G = dyn_cast<DefinedGlobal>(this))
- return G->Global->Live;
- if (auto *E = dyn_cast<DefinedEvent>(this))
- return E->Event->Live;
- if (InputChunk *C = getChunk())
- return C->Live;
- return Referenced;
-}
-
-void Symbol::markLive() {
- if (auto *G = dyn_cast<DefinedGlobal>(this))
- G->Global->Live = true;
- if (auto *E = dyn_cast<DefinedEvent>(this))
- E->Event->Live = true;
- if (InputChunk *C = getChunk())
- C->Live = true;
- Referenced = true;
-}
-
-uint32_t Symbol::getOutputSymbolIndex() const {
- assert(OutputSymbolIndex != INVALID_INDEX);
- return OutputSymbolIndex;
-}
-
-void Symbol::setOutputSymbolIndex(uint32_t Index) {
- LLVM_DEBUG(dbgs() << "setOutputSymbolIndex " << Name << " -> " << Index
- << "\n");
- assert(OutputSymbolIndex == INVALID_INDEX);
- OutputSymbolIndex = Index;
-}
-
-bool Symbol::isWeak() const {
- return (Flags & WASM_SYMBOL_BINDING_MASK) == WASM_SYMBOL_BINDING_WEAK;
-}
-
-bool Symbol::isLocal() const {
- return (Flags & WASM_SYMBOL_BINDING_MASK) == WASM_SYMBOL_BINDING_LOCAL;
-}
-
-bool Symbol::isHidden() const {
- return (Flags & WASM_SYMBOL_VISIBILITY_MASK) == WASM_SYMBOL_VISIBILITY_HIDDEN;
-}
-
-void Symbol::setHidden(bool IsHidden) {
- LLVM_DEBUG(dbgs() << "setHidden: " << Name << " -> " << IsHidden << "\n");
- Flags &= ~WASM_SYMBOL_VISIBILITY_MASK;
- if (IsHidden)
- Flags |= WASM_SYMBOL_VISIBILITY_HIDDEN;
- else
- Flags |= WASM_SYMBOL_VISIBILITY_DEFAULT;
-}
-
-bool Symbol::isExported() const {
- if (!isDefined() || isLocal())
- return false;
-
- if (ForceExport || Config->ExportAll)
- return true;
-
- if (Config->ExportDynamic && !isHidden())
- return true;
-
- return false;
-}
-
-uint32_t FunctionSymbol::getFunctionIndex() const {
- if (auto *F = dyn_cast<DefinedFunction>(this))
- return F->Function->getFunctionIndex();
- assert(FunctionIndex != INVALID_INDEX);
- return FunctionIndex;
-}
-
-void FunctionSymbol::setFunctionIndex(uint32_t Index) {
- LLVM_DEBUG(dbgs() << "setFunctionIndex " << Name << " -> " << Index << "\n");
- assert(FunctionIndex == INVALID_INDEX);
- FunctionIndex = Index;
-}
-
-bool FunctionSymbol::hasFunctionIndex() const {
- if (auto *F = dyn_cast<DefinedFunction>(this))
- return F->Function->hasFunctionIndex();
- return FunctionIndex != INVALID_INDEX;
-}
-
-uint32_t FunctionSymbol::getTableIndex() const {
- if (auto *F = dyn_cast<DefinedFunction>(this))
- return F->Function->getTableIndex();
- assert(TableIndex != INVALID_INDEX);
- return TableIndex;
-}
-
-bool FunctionSymbol::hasTableIndex() const {
- if (auto *F = dyn_cast<DefinedFunction>(this))
- return F->Function->hasTableIndex();
- return TableIndex != INVALID_INDEX;
-}
-
-void FunctionSymbol::setTableIndex(uint32_t Index) {
- // For imports, we set the table index here on the Symbol; for defined
- // functions we set the index on the InputFunction so that we don't export
- // the same thing twice (keeps the table size down).
- if (auto *F = dyn_cast<DefinedFunction>(this)) {
- F->Function->setTableIndex(Index);
- return;
- }
- LLVM_DEBUG(dbgs() << "setTableIndex " << Name << " -> " << Index << "\n");
- assert(TableIndex == INVALID_INDEX);
- TableIndex = Index;
-}
-
-DefinedFunction::DefinedFunction(StringRef Name, uint32_t Flags, InputFile *F,
- InputFunction *Function)
- : FunctionSymbol(Name, DefinedFunctionKind, Flags, F,
- Function ? &Function->Signature : nullptr),
- Function(Function) {}
-
-uint32_t DefinedData::getVirtualAddress() const {
- LLVM_DEBUG(dbgs() << "getVirtualAddress: " << getName() << "\n");
- if (Segment)
- return Segment->OutputSeg->StartVA + Segment->OutputSegmentOffset + Offset;
- return Offset;
-}
-
-void DefinedData::setVirtualAddress(uint32_t Value) {
- LLVM_DEBUG(dbgs() << "setVirtualAddress " << Name << " -> " << Value << "\n");
- assert(!Segment);
- Offset = Value;
-}
-
-uint32_t DefinedData::getOutputSegmentOffset() const {
- LLVM_DEBUG(dbgs() << "getOutputSegmentOffset: " << getName() << "\n");
- return Segment->OutputSegmentOffset + Offset;
-}
-
-uint32_t DefinedData::getOutputSegmentIndex() const {
- LLVM_DEBUG(dbgs() << "getOutputSegmentIndex: " << getName() << "\n");
- return Segment->OutputSeg->Index;
-}
-
-uint32_t GlobalSymbol::getGlobalIndex() const {
- if (auto *F = dyn_cast<DefinedGlobal>(this))
- return F->Global->getGlobalIndex();
- assert(GlobalIndex != INVALID_INDEX);
- return GlobalIndex;
-}
-
-void GlobalSymbol::setGlobalIndex(uint32_t Index) {
- LLVM_DEBUG(dbgs() << "setGlobalIndex " << Name << " -> " << Index << "\n");
- assert(GlobalIndex == INVALID_INDEX);
- GlobalIndex = Index;
-}
-
-bool GlobalSymbol::hasGlobalIndex() const {
- if (auto *F = dyn_cast<DefinedGlobal>(this))
- return F->Global->hasGlobalIndex();
- return GlobalIndex != INVALID_INDEX;
-}
-
-DefinedGlobal::DefinedGlobal(StringRef Name, uint32_t Flags, InputFile *File,
- InputGlobal *Global)
- : GlobalSymbol(Name, DefinedGlobalKind, Flags, File,
- Global ? &Global->getType() : nullptr),
- Global(Global) {}
-
-uint32_t EventSymbol::getEventIndex() const {
- if (auto *F = dyn_cast<DefinedEvent>(this))
- return F->Event->getEventIndex();
- assert(EventIndex != INVALID_INDEX);
- return EventIndex;
-}
-
-void EventSymbol::setEventIndex(uint32_t Index) {
- LLVM_DEBUG(dbgs() << "setEventIndex " << Name << " -> " << Index << "\n");
- assert(EventIndex == INVALID_INDEX);
- EventIndex = Index;
-}
-
-bool EventSymbol::hasEventIndex() const {
- if (auto *F = dyn_cast<DefinedEvent>(this))
- return F->Event->hasEventIndex();
- return EventIndex != INVALID_INDEX;
-}
-
-DefinedEvent::DefinedEvent(StringRef Name, uint32_t Flags, InputFile *File,
- InputEvent *Event)
- : EventSymbol(Name, DefinedEventKind, Flags, File,
- Event ? &Event->getType() : nullptr,
- Event ? &Event->Signature : nullptr),
- Event(Event) {}
-
-uint32_t SectionSymbol::getOutputSectionIndex() const {
- LLVM_DEBUG(dbgs() << "getOutputSectionIndex: " << getName() << "\n");
- assert(OutputSectionIndex != INVALID_INDEX);
- return OutputSectionIndex;
-}
-
-void SectionSymbol::setOutputSectionIndex(uint32_t Index) {
- LLVM_DEBUG(dbgs() << "setOutputSectionIndex: " << getName() << " -> " << Index
- << "\n");
- assert(Index != INVALID_INDEX);
- OutputSectionIndex = Index;
-}
-
-void LazySymbol::fetch() { cast<ArchiveFile>(File)->addMember(&ArchiveSymbol); }
-
-std::string lld::toString(const wasm::Symbol &Sym) {
- return lld::maybeDemangleSymbol(Sym.getName());
-}
-
-std::string lld::maybeDemangleSymbol(StringRef Name) {
- if (Config->Demangle)
- if (Optional<std::string> S = demangleItanium(Name))
- return *S;
- return Name;
-}
-
-std::string lld::toString(wasm::Symbol::Kind Kind) {
- switch (Kind) {
- case wasm::Symbol::DefinedFunctionKind:
- return "DefinedFunction";
- case wasm::Symbol::DefinedDataKind:
- return "DefinedData";
- case wasm::Symbol::DefinedGlobalKind:
- return "DefinedGlobal";
- case wasm::Symbol::DefinedEventKind:
- return "DefinedEvent";
- case wasm::Symbol::UndefinedFunctionKind:
- return "UndefinedFunction";
- case wasm::Symbol::UndefinedDataKind:
- return "UndefinedData";
- case wasm::Symbol::UndefinedGlobalKind:
- return "UndefinedGlobal";
- case wasm::Symbol::LazyKind:
- return "LazyKind";
- case wasm::Symbol::SectionKind:
- return "SectionKind";
- }
- llvm_unreachable("invalid symbol kind");
-}