Absolute address of function in object file
Solution for Absolute address of function in object file is Given Below: I have ARM Cortex-M object file (.o) in …
machine-code
Understanding Instruction Encoding?
Solution for Understanding Instruction Encoding? is Given Below: I used a website to encode this: movw $8, 4(%r8d,%esi,4) and got: …
Encoding 8-bit operand size? Is there a prefix for that like for 16-bit?
Solution for Encoding 8-bit operand size? Is there a prefix for that like for 16-bit? is Given Below: In instruction …
What is REX prefix is Instruction Encoding?
Solution for What is REX prefix is Instruction Encoding? is Given Below: My professor started contradicting himself so I need …
Why is default operand size 32 bits in 64 mode?
I am reading Intel doc, vol. 1 and There is a chapter of 3.6.1 Operand Size and Address Size in …
x86 assembly 16 bit vs 8 bit immediate operand encoding
I’m writing my own assembler and trying to encode the ADC instruction, I have a question about immediate values, especially …