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