Multiplying Numbers Using Pointers
Explore how to multiply numbers using pointers in C/C++ and assembly language on x64 architecture. Learn to interpret GDB disassembly output, understand pointer dereferencing, and see how multiplication operations affect registers and memory. Gain practical experience by executing instructions step-by-step to debug and analyze code effectively.
Pointers to multiply numbers
The pseudocode statement for multiplication is as follows:
(rbx) * (rax) -> (rbx)
This is an instruction to multiply the contents of the memory cell whose address is stored in the %RBX register by the value stored in the memory cell whose address is in the %RAX register.
Multiply numbers in C/C++ using pointers
In C/C++ language, the multiplication expression is similar to the addition operation. Note that the * operator has two distinct meanings: ...