diff options
Diffstat (limited to 'llvm/lib/Target/WebAssembly')
3 files changed, 14 insertions, 9 deletions
diff --git a/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyTargetStreamer.cpp b/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyTargetStreamer.cpp index c82a64d5824..2437b017688 100644 --- a/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyTargetStreamer.cpp +++ b/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyTargetStreamer.cpp @@ -108,8 +108,8 @@ void WebAssemblyTargetAsmStreamer::emitGlobal( } } -void WebAssemblyTargetAsmStreamer::emitStackPointer(uint32_t Index) { - OS << "\t.stack_pointer\t" << Index << '\n'; +void WebAssemblyTargetAsmStreamer::emitStackPointer(MCSymbol *Symbol) { + OS << "\t.stack_pointer\t" << Symbol->getName() << '\n'; } void WebAssemblyTargetAsmStreamer::emitEndFunc() { OS << "\t.endfunc\n"; } @@ -158,7 +158,7 @@ void WebAssemblyTargetELFStreamer::emitGlobal( } void WebAssemblyTargetELFStreamer::emitStackPointer( - uint32_t Index) { + MCSymbol *Symbol) { llvm_unreachable(".stack_pointer encoding not yet implemented"); } @@ -238,11 +238,11 @@ void WebAssemblyTargetWasmStreamer::emitGlobal( Streamer.PopSection(); } -void WebAssemblyTargetWasmStreamer::emitStackPointer(uint32_t Index) { +void WebAssemblyTargetWasmStreamer::emitStackPointer(MCSymbol *Symbol) { Streamer.PushSection(); Streamer.SwitchSection(Streamer.getContext().getWasmSection( ".stack_pointer", SectionKind::getMetadata())); - Streamer.EmitIntValue(Index, 4); + Streamer.EmitBytes(Symbol->getName()); Streamer.PopSection(); } @@ -277,4 +277,5 @@ void WebAssemblyTargetWasmStreamer::emitIndirectFunctionType( } void WebAssemblyTargetWasmStreamer::emitGlobalImport(StringRef name) { + llvm_unreachable(".global_import is not needed for direct wasm output"); } diff --git a/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyTargetStreamer.h b/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyTargetStreamer.h index 102d7219a1e..db908572a58 100644 --- a/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyTargetStreamer.h +++ b/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyTargetStreamer.h @@ -40,7 +40,7 @@ public: /// .globalvar virtual void emitGlobal(ArrayRef<wasm::Global> Globals) = 0; /// .stack_pointer - virtual void emitStackPointer(uint32_t Index) = 0; + virtual void emitStackPointer(MCSymbol *Symbol) = 0; /// .endfunc virtual void emitEndFunc() = 0; /// .functype @@ -67,7 +67,7 @@ public: void emitResult(MCSymbol *Symbol, ArrayRef<MVT> Types) override; void emitLocal(ArrayRef<MVT> Types) override; void emitGlobal(ArrayRef<wasm::Global> Globals) override; - void emitStackPointer(uint32_t Index) override; + void emitStackPointer(MCSymbol *Symbol) override; void emitEndFunc() override; void emitIndirectFunctionType(MCSymbol *Symbol, SmallVectorImpl<MVT> &Params, @@ -85,7 +85,7 @@ public: void emitResult(MCSymbol *Symbol, ArrayRef<MVT> Types) override; void emitLocal(ArrayRef<MVT> Types) override; void emitGlobal(ArrayRef<wasm::Global> Globals) override; - void emitStackPointer(uint32_t Index) override; + void emitStackPointer(MCSymbol *Symbol) override; void emitEndFunc() override; void emitIndirectFunctionType(MCSymbol *Symbol, SmallVectorImpl<MVT> &Params, @@ -103,7 +103,7 @@ public: void emitResult(MCSymbol *Symbol, ArrayRef<MVT> Types) override; void emitLocal(ArrayRef<MVT> Types) override; void emitGlobal(ArrayRef<wasm::Global> Globals) override; - void emitStackPointer(uint32_t Index) override; + void emitStackPointer(MCSymbol *Symbol) override; void emitEndFunc() override; void emitIndirectFunctionType(MCSymbol *Symbol, SmallVectorImpl<MVT> &Params, diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp index 5f7f3d694cd..1d606d49bed 100644 --- a/llvm/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp +++ b/llvm/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp @@ -78,6 +78,10 @@ WebAssemblyTargetStreamer *WebAssemblyAsmPrinter::getTargetStreamer() { //===----------------------------------------------------------------------===// void WebAssemblyAsmPrinter::EmitEndOfAsmFile(Module &M) { + // Declare the stack pointer. + getTargetStreamer()->emitStackPointer( + GetExternalSymbolSymbol("__stack_pointer")); + for (const auto &F : M) { // Emit function type info for all undefined functions if (F.isDeclarationForLinker() && !F.isIntrinsic()) { |
