#OTX DISASSEMBLER CODE#
You can use "Live View" to see how code is disassembled in real time, one byte at a time, or upload a file. Online Disassemblers ODA is a free, web-based disassembler for a wide variety of architectures. Each disassembler will have different features, so it is up to you as the reader to determine which tools you prefer to use. Notice that there are professional disassemblers (which cost money for a license) and there are freeware/shareware disassemblers. Here we are going to list some commonly available disassembler tools. We will typically not use HLA syntax for code examples, but that may change in the future. Examples in this book will use Intel and AT&T syntax interchangeably. Many disassemblers have the option to output assembly language instructions in Intel, AT&T, or (occasionally) HLA syntax. Of course, disassembly has its own problems and pitfalls, and they are covered later in this chapter. Since most assembly languages have a one-to-one correspondence with underlying machine instructions, the process of disassembly is relatively straight-forward, and a basic disassembler can often be implemented simply by reading in bytes, and performing a table lookup. Where an assembler converts code written in an assembly language into binary machine code, a disassembler reverses the process and attempts to recreate the assembly code from the binary machine code. In essence, a disassembler is the exact opposite of an assembler. Wikipedia has related information at Disassembler 5.1.2 parameters after the call instruction.5.1.1 jump tables and other calculated jumps.
2.3 Commercial Freeware/Shareware Windows Disassemblers.
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