1a7dea167SDimitry Andric //===--- Disasm.cpp - Disassembler for bytecode functions -------*- C++ -*-===// 2a7dea167SDimitry Andric // 3a7dea167SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4a7dea167SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5a7dea167SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6a7dea167SDimitry Andric // 7a7dea167SDimitry Andric //===----------------------------------------------------------------------===// 8a7dea167SDimitry Andric // 9a7dea167SDimitry Andric // Dump method for Function which disassembles the bytecode. 10a7dea167SDimitry Andric // 11a7dea167SDimitry Andric //===----------------------------------------------------------------------===// 12a7dea167SDimitry Andric 13*06c3fb27SDimitry Andric #include "Floating.h" 14a7dea167SDimitry Andric #include "Function.h" 15a7dea167SDimitry Andric #include "Opcode.h" 16a7dea167SDimitry Andric #include "PrimType.h" 17a7dea167SDimitry Andric #include "Program.h" 18a7dea167SDimitry Andric #include "clang/AST/DeclCXX.h" 19a7dea167SDimitry Andric #include "llvm/Support/Compiler.h" 205ffd83dbSDimitry Andric #include "llvm/Support/Format.h" 21a7dea167SDimitry Andric 22a7dea167SDimitry Andric using namespace clang; 23a7dea167SDimitry Andric using namespace clang::interp; 24a7dea167SDimitry Andric 25bdd1243dSDimitry Andric template <typename T> inline T ReadArg(Program &P, CodePtr &OpPC) { 26bdd1243dSDimitry Andric if constexpr (std::is_pointer_v<T>) { 27349cc55cSDimitry Andric uint32_t ID = OpPC.read<uint32_t>(); 28349cc55cSDimitry Andric return reinterpret_cast<T>(P.getNativePointer(ID)); 29bdd1243dSDimitry Andric } else { 30bdd1243dSDimitry Andric return OpPC.read<T>(); 31bdd1243dSDimitry Andric } 32349cc55cSDimitry Andric } 33349cc55cSDimitry Andric 34a7dea167SDimitry Andric LLVM_DUMP_METHOD void Function::dump() const { dump(llvm::errs()); } 35a7dea167SDimitry Andric 36a7dea167SDimitry Andric LLVM_DUMP_METHOD void Function::dump(llvm::raw_ostream &OS) const { 37*06c3fb27SDimitry Andric OS << getName() << " " << (const void *)this << "\n"; 38a7dea167SDimitry Andric OS << "frame size: " << getFrameSize() << "\n"; 39a7dea167SDimitry Andric OS << "arg size: " << getArgSize() << "\n"; 40a7dea167SDimitry Andric OS << "rvo: " << hasRVO() << "\n"; 41bdd1243dSDimitry Andric OS << "this arg: " << hasThisPointer() << "\n"; 42a7dea167SDimitry Andric 43a7dea167SDimitry Andric auto PrintName = [&OS](const char *Name) { 44a7dea167SDimitry Andric OS << Name; 45*06c3fb27SDimitry Andric long N = 30 - strlen(Name); 46*06c3fb27SDimitry Andric if (N > 0) 47*06c3fb27SDimitry Andric OS.indent(N); 48a7dea167SDimitry Andric }; 49a7dea167SDimitry Andric 50a7dea167SDimitry Andric for (CodePtr Start = getCodeBegin(), PC = Start; PC != getCodeEnd();) { 51a7dea167SDimitry Andric size_t Addr = PC - Start; 52a7dea167SDimitry Andric auto Op = PC.read<Opcode>(); 53a7dea167SDimitry Andric OS << llvm::format("%8d", Addr) << " "; 54a7dea167SDimitry Andric switch (Op) { 55a7dea167SDimitry Andric #define GET_DISASM 56a7dea167SDimitry Andric #include "Opcodes.inc" 57a7dea167SDimitry Andric #undef GET_DISASM 58a7dea167SDimitry Andric } 59a7dea167SDimitry Andric } 60a7dea167SDimitry Andric } 61a7dea167SDimitry Andric 62a7dea167SDimitry Andric LLVM_DUMP_METHOD void Program::dump() const { dump(llvm::errs()); } 63a7dea167SDimitry Andric 64a7dea167SDimitry Andric LLVM_DUMP_METHOD void Program::dump(llvm::raw_ostream &OS) const { 65bdd1243dSDimitry Andric OS << ":: Program\n"; 66bdd1243dSDimitry Andric OS << "Global Variables: " << Globals.size() << "\n"; 67bdd1243dSDimitry Andric OS << "Functions: " << Funcs.size() << "\n"; 68bdd1243dSDimitry Andric OS << "\n"; 69a7dea167SDimitry Andric for (auto &Func : Funcs) { 70a7dea167SDimitry Andric Func.second->dump(); 71a7dea167SDimitry Andric } 72a7dea167SDimitry Andric for (auto &Anon : AnonFuncs) { 73a7dea167SDimitry Andric Anon->dump(); 74a7dea167SDimitry Andric } 75a7dea167SDimitry Andric } 76