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 19namespace llvm { 20class AsmPrinter; 21class MachineFunction; 22struct LandingPadInfo; 23template <typename T> class SmallVectorImpl; 24 25class LLVM_LIBRARY_VISIBILITY WasmException : public EHStreamer { 26public: 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 33protected: 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