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Differential D64537 Diff 209274 llvm/lib/Target/WebAssembly/WebAssemblyMCInstLower.cpp

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llvm/lib/Target/WebAssembly/WebAssemblyMCInstLower.cpp

Show First 20 Lines • Show All 71 Lines • ▼ Show 20 LinesMCSymbol *WebAssemblyMCInstLower::GetExternalSymbolSymbol(
const char *Name = MO.getSymbolName(); const char *Name = MO.getSymbolName();
auto *WasmSym = cast<MCSymbolWasm>(Printer.GetExternalSymbolSymbol(Name)); auto *WasmSym = cast<MCSymbolWasm>(Printer.GetExternalSymbolSymbol(Name));
const WebAssemblySubtarget &Subtarget = Printer.getSubtarget(); const WebAssemblySubtarget &Subtarget = Printer.getSubtarget();
// Except for certain known symbols, all symbols used by CodeGen are // Except for certain known symbols, all symbols used by CodeGen are
// functions. It's OK to hardcode knowledge of specific symbols here; this // functions. It's OK to hardcode knowledge of specific symbols here; this
// method is precisely there for fetching the signatures of known // method is precisely there for fetching the signatures of known
// Clang-provided symbols. // Clang-provided symbols.
if (strcmp(Name, "__stack_pointer") == 0 || if (strcmp(Name, "__stack_pointer") == 0 || strcmp(Name, "__tls_base") == 0 ||
strcmp(Name, "__memory_base") == 0 || strcmp(Name, "__table_base") == 0) { strcmp(Name, "__memory_base") == 0 || strcmp(Name, "__table_base") == 0 ||
bool Mutable = strcmp(Name, "__stack_pointer") == 0; strcmp(Name, "__tls_size") == 0) {
bool Mutable =
strcmp(Name, "__stack_pointer") == 0 || strcmp(Name, "__tls_base") == 0;
WasmSym->setType(wasm::WASM_SYMBOL_TYPE_GLOBAL); WasmSym->setType(wasm::WASM_SYMBOL_TYPE_GLOBAL);
WasmSym->setGlobalType(wasm::WasmGlobalType{ WasmSym->setGlobalType(wasm::WasmGlobalType{
uint8_t(Subtarget.hasAddr64() ? wasm::WASM_TYPE_I64 uint8_t(Subtarget.hasAddr64() ? wasm::WASM_TYPE_I64
: wasm::WASM_TYPE_I32), : wasm::WASM_TYPE_I32),
Mutable}); Mutable});
return WasmSym; return WasmSym;
} }
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