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[WebAssembly] Triple::wasm64 related cleanup

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Differential Revision: https://reviews.llvm.org/D83713
This commit is contained in:
Wouter van Oortmerssen 2020-07-06 13:34:16 -07:00
parent 3a125536d7
commit 53d8604583
2 changed files with 13 additions and 3 deletions
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1
include/llvm/Object/Wasm.h
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@ -282,6 +282,7 @@ private:
bool HasLinkingSection = false;
bool HasDylinkSection = false;
bool SeenCodeSection = false;
bool HasMemory64 = false;
wasm::WasmLinkingData LinkingData;
uint32_t NumImportedGlobals = 0;
uint32_t NumImportedFunctions = 0;

15
lib/Object/WasmObjectFile.cpp
View File

@ -957,6 +957,8 @@ Error WasmObjectFile::parseImportSection(ReadContext &Ctx) {
break;
case wasm::WASM_EXTERNAL_MEMORY:
Im.Memory = readLimits(Ctx);
if (Im.Memory.Flags & wasm::WASM_LIMITS_FLAG_IS_64)
HasMemory64 = true;
break;
case wasm::WASM_EXTERNAL_TABLE:
Im.Table = readTable(Ctx);
@ -1019,7 +1021,10 @@ Error WasmObjectFile::parseMemorySection(ReadContext &Ctx) {
uint32_t Count = readVaruint32(Ctx);
Memories.reserve(Count);
while (Count--) {
Memories.push_back(readLimits(Ctx));
auto Limits = readLimits(Ctx);
if (Limits.Flags & wasm::WASM_LIMITS_FLAG_IS_64)
HasMemory64 = true;
Memories.push_back(Limits);
}
if (Ctx.Ptr != Ctx.End)
return make_error<GenericBinaryError>("Memory section ended prematurely",
@ -1576,11 +1581,15 @@ section_iterator WasmObjectFile::section_end() const {
return section_iterator(SectionRef(Ref, this));
}
uint8_t WasmObjectFile::getBytesInAddress() const { return 4; }
uint8_t WasmObjectFile::getBytesInAddress() const {
return HasMemory64 ? 8 : 4;
}
StringRef WasmObjectFile::getFileFormatName() const { return "WASM"; }
Triple::ArchType WasmObjectFile::getArch() const { return Triple::wasm32; }
Triple::ArchType WasmObjectFile::getArch() const {
return HasMemory64 ? Triple::wasm64 : Triple::wasm32;
}
SubtargetFeatures WasmObjectFile::getFeatures() const {
return SubtargetFeatures();