Start up:
gdb exe
Change the assembler syntax from AT&T to Intel:
set disassembly-flavor intel
If you want to make this setting permanent, paste that into ~/gdbinit.
You can verify which assembly syntax is active with:
show disassembly-flavor
Enter TUI mode:
Ctrl+X, Ctrl+A
Switch to assembly mode:
layout asm
Run the program and break in the first like of work (b main and b _start don’t work):
starti
Execute till next instruction:
ni
Step one instruction (unlike the previous, this will enter function calls):
si
Retrive the values of all registers:
i r ; info registers
Get the value of one register:
i r rax