| 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 |