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|Assembling using gas||How do you use the GNU assembler (gas) to compile an assembly-language program?||
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|Single-stepping with gdb||How do you execute a program one instruction at a time (single-stepping) using the GNU debugger (gdb)?||
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|The Mysterious XOR||x86 and x86_64 code often contains instructions that XOR a register with itself (e.g., <code>xor %eax,%eax</code>). What does this do and why is it used?||
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