Depuração ( Debug )

GDB

para executar

gdb --args python editje-bin

quando aparecer o segmentation fault, pressionar [Ctrl+x] [a]

e ira aparecer um editor de texto no ponto do exato do código fonte onde ocorreu a falha.

[Ctrl+x] [a] para fechar o editor.

[Ctrl+x] [1] ver somente o codigo C

[Ctrl+x] [2] ver o codigo C e o codigo assembly

layout next Display the next layout.

layout prev Display the previous layout.

layout src Display the source window only.

layout asm Display the assembly window only.

layout split Display the source and assembly window.

layout regs Display the register window together with the source or assembly window.

Set the focus to the named window. This command allows to change the active window so that scrolling keys can be affected to another window.

refresh

Refresh the screen. This is similar to using C-L key.

update Update the source window and the current execution point.

winheight name +count

winheight name -count

Change the height of the window name by count lines. Positive counts increase the height, while negative counts decrease it.

Executar em ordem inversa

reverse-continue ('rc') -- Continue program being debugged but run it in reverse

reverse-finish -- Execute backward until just before the selected stack frame is called

reverse-next ('rn') -- Step program backward, proceeding through subroutine calls.

reverse-nexti ('rni') -- Step backward one instruction, but proceed through called subroutines.

reverse-step ('rs') -- Step program backward until it reaches the beginning of a previous source line

reverse-stepi -- Step backward exactly one instruction

set exec-direction (forward/reverse) -- Set direction of execution.

All subsequent execution commands (continue, step, until etc.) will run the program being debugged in the selected direction.

Lista ultimas linhas executadas

list

Referências:

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