一、注册 在添加disassembler时,在llvm/lib/Target/XXX/Disassembler/XXXDisassembler.cpp中会通过 RegisterMCDisassembler()将该pass进行注册。 二、调用 (1)在XXXDisassembler.cpp中的getInstruction(...)函数重新定义了基类MCDisassembler中的纯虚函数virtual DecodeStatus getInstruction(...) const = 0;,然后在...
通常lexer是构建一个语言的parser(解析器)的第一步,这里使用一个好理解的简单的C++程序实现的lexer。 原文链接 该教程以一个叫做“Kaleidoscope ”的玩具语言来展示编译器的构建过程。 Kaleidoscope 是一个过程语言,用户可以使用这个语言定义函数、使用条件判断和数学表达式等等。 通过这个教程,我们将拓展Kaleidoscope,使其...
The disassembler transforms the LLVM bitcode to human readable LLVM assembly. llvm-link llvm-link, not surprisingly, links multiple LLVM modules into a single program. lli lliisthe LLVM interpreter, which can directly execute LLVM bitcode (although very slowly…). For architectures that support it...
(1) Disassembler/Cpu0Disassembler.cpp 在这个反汇编文件中,实现了 td 文件中所有反汇编函数引用的函数,即 DecoderMethod 关键字指定的函数,尤其是对应一些特殊操作数的反汇编,比如内存引用的反汇编,因为这种特殊操作数格式是我们自定义的 td 类来定义的,所以也需要指定其反汇编方法。 (2) Disassembler/CMakeLists....
Assemblers and disassemblers MCInst故意是一个非常简单的表示。试图尽可能多地传递语义信息,只保留指令操作码和操作数列表(以及汇编程序诊断的源位置)。与LLVM IR一样,这是一种具有多种可能编码的内部表示。最明显的两个是程序集(如上所示)和二进制对象文件。
This model applies equally well to interpreters and JIT compilers. The Java Virtual Machine (JVM) is also an implementation of this model, which uses Java bytecode as the interface between the front end and optimizer. 11.1.1. Implications of this Design ...
The Java Disassembler (JDA) is a GUI reverse engineering tool that can turn this:// $FF: Couldn't be decompiled // java.lang.IllegalArgumentException: Invalid type: @ // at org.jetbrains.java.decompiler.struct.gen.VarType.getType(VarType.java:405) // at org.jetbrains.java.decompiler....
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Reconstruction of functions, types, and high-level constructs. Integrated disassembler. Output in two high-level languages: C and a Python-like language. Generation of call graphs, control-flow graphs, and various statistics.For more information, check out ourWiki...
在LLVMInitializeM88kDisassembler()函数中,我们在目标注册中心注册工厂函数: extern"C"LLVM_EXTERNAL_VISIBILITYvoidLLVMInitializeM88kDisassembler(){ TargetRegistry::RegisterMCDisassembler( getTheM88kTarget(), createM88kDisassembler); } 初始化 LLVM 核心库时,从InitializeAllDisassemblers()函数或InitializeNativeTarg...