1 //===-- WasmException.h - Wasm Exception Framework -------------*- C++ -*--===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This file contains support for writing WebAssembly exception info into asm 10 // files. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_LIB_CODEGEN_ASMPRINTER_WASMEXCEPTION_H 15 #define LLVM_LIB_CODEGEN_ASMPRINTER_WASMEXCEPTION_H 16 17 #include "EHStreamer.h" 18 #include "llvm/CodeGen/AsmPrinter.h" 19 20 namespace llvm { 21 22 class LLVM_LIBRARY_VISIBILITY WasmException : public EHStreamer { 23 public: 24 WasmException(AsmPrinter *A) : EHStreamer(A) {} 25 26 void endModule() override; 27 void beginFunction(const MachineFunction *MF) override {} 28 virtual void markFunctionEnd() override; 29 void endFunction(const MachineFunction *MF) override; 30 31 protected: 32 // Compute the call site table for wasm EH. 33 void computeCallSiteTable( 34 SmallVectorImpl<CallSiteEntry> &CallSites, 35 const SmallVectorImpl<const LandingPadInfo *> &LandingPads, 36 const SmallVectorImpl<unsigned> &FirstActions) override; 37 }; 38 39 } // End of namespace llvm 40 41 #endif 42