| start and stop |
|
| quit |
quit GDB |
| run |
Run the program (give command line arguments here) |
| kill |
stop the program |
| breakpoint |
|
| break multstore |
Set a breakpoint at the entry to the function multstore |
| break * 0x400540 |
Set a breakpoint at address 0x400540 |
| delete 1 |
remove breakpoint 1 |
| delete |
remove all breakpoints |
| implement |
|
| steppe |
execute 1 instruction |
| step 4 |
execute 4 instructions |
| nexti |
Similar to stepi, but in function calls |
| continue |
continue |
| finish |
run until the current function returns |
| Check the code |
|
| disas |
Disassemble the current function |
| disas multstore |
Disassembly function multstore |
| disas 0x400544 |
Disassemble the function located near address 0x400544 |
| disas 0x40050,0x40054d |
Disassemble the code in the specified address range |
| print /x $rip |
Output the value of the program counter in hexadecimal |
| Check the data |
|
| print $rax |
output the contents of %rax in decimal |
| print /x $rax |
Output the content of %rax in hexadecimal |
| print /t $rax |
Output the contents of %rax in binary |
| print 0x100 |
output the decimal representation of 0x100 |
| print /x 555 |
output the hex representation of 555 |
| print /x ($rsp+8) |
Output the content of %rsp in hex plus 8 |
| print *(long *) 0x7ffffffffe818 |
output a long at address 0x7ffffffffe818 |
| print *(long *) ($rsp+8) |
output the long integer at address %rsp+8 |
| x/2g 0x7ffffffffe818 |
Check for double (8 byte) word starting at address 0x7ffffffffe818 |
| x/20b multstore |
Check the first 20 bytes of the function multstore |
| useful information |
|
| info frame |
Information about the current frame stack |
| info registers |
the value of all registers |
| help |
Get information about GDB |