About GDB Common commands

1. Start the Debug program

GDB debugging objects, such as the GDB app

2. Running the program

Run or this abbreviation is R

3. Set Breakpoints

There are several different ways

1) Break Line

2) Break File:line

3) Break Function:offset

4. Continue execution after interruption

C

5. Display assembly code

Disassemble or abbreviated to Disas

Combining different parameters to achieve different display effects, several classic usages

Disas/m Func1--Compilation of display function func1

Disas $pc, +10--Shows the 10-byte assembly starting at the PC location

6. Display memory contents

X/nfu BUF

n indicates the number of memory units to display

F represents the display mode, preferably the following values, such as X-16 binary, D-by decimal
U represents the length of an address unit, B-byte, H-double word, w-4 Word, g-8 Word

7. Single Step execution

Next executes a code NEXTI executes a machine instruction step and Stepi similar to next and Nexti, just enter the Sub function 8, display stack BT

About GDB Common commands