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 19 namespace llvm { 20 class AsmPrinter; 21 class MachineFunction; 22 struct LandingPadInfo; 23 template <typename T> class SmallVectorImpl; 24 25 class LLVM_LIBRARY_VISIBILITY WasmException : public EHStreamer { 26 public: 27 WasmException(AsmPrinter *A) : EHStreamer(A) {} 28 29 void endModule() override; 30 void beginFunction(const MachineFunction *MF) override {} 31 void endFunction(const MachineFunction *MF) override; 32 33 protected: 34 // Compute the call site table for wasm EH. 35 void computeCallSiteTable( 36 SmallVectorImpl<CallSiteEntry> &CallSites, 37 SmallVectorImpl<CallSiteRange> &CallSiteRanges, 38 const SmallVectorImpl<const LandingPadInfo *> &LandingPads, 39 const SmallVectorImpl<unsigned> &FirstActions) override; 40 }; 41 42 } // End of namespace llvm 43 44 #endif 45