Freaks City

x86-64 Register Set and Usage The x86-64 architecture includes 16 general-purpose registers that store 64-bit values. While these register are general-purpose, they follow conventional usage patterns. The registers r8 through r15 were added in the 80386 architecture extension. %rax: Return value register %rbx: Callee-saved register %rcx: 4th f ...

Preprocessor Stringification and Concatenation The # dircetive transforms macro arguments into string literals during compilation. It must precede a parameter name within a parameterized macro definition. #define DEBUG_IDENTIFIER(var) std::printf("[Check] %s evaluated\n", #var) DEBUG_IDENTIFIER(sensor_temp); The ## directive merges ...