Vim, GCC, gdb in Linux

In Linux, Vim is a compiler, there are two modes

1. Vim initial mode is command mode, there are many kinds of commands in command mode

GG: Move the cursor to the first of the program

G: Move the cursor to the end of the program

8G: Move the cursor to line 8th

DD: Cut

U: Undo

YY: Copy

P: Paste

3yy: Copy 3 lines from cursor

3DD: Cut 3 lines from the cursor

SHIFT4: Moves the cursor from the beginning to the end of the line

SHIFT6: Moves the cursor from the end of the line to the beginning

Shift ~: capitalizes the lowercase letters at the cursor or vice versa

X: Delete the front of the cursor

X: Remove the character at the cursor

W: Jump Backwards in a single word

H: The cursor moves to the left in a single character unit

L: The cursor moves to the right in one character unit

K: Move Cursor up

J: Move the cursor down

5 x: Delete 5 characters in front of the cursor

B: Move forward in a single word

E: Jumps to the end of a line in a single word

yw; copy a word

R: Replace

R: Enter insert mode

2. Insert mode

I: Into insert mode, no change in cursor position

A: In insert mode, the cursor position is changed

O: In insert mode, the cursor will be spaced one line up and down

:/printf cursor directly to printf

: 8 Position to line 8th

: Set Nu Design line number

: Set Nonu undo line number

: vs file name Copy one file to another file

Ctrl+w +h/l jump cursor from one file to another

Pre-processing, compiling, and linking processes under VIM

Preprocessing: using the-e parameter allows GCC to stop the compilation process at the end of preprocessing

GCC-E Test.c-o test.i

Compile:

Gcc-s Test.i-o Test.s

Assembly:

Gcc-c Test.s-o TEST.O

Link:

GCC Test.o-o Test

GDB: Debugging is debugging an executable program

GDB Test starts debugging test

B 8 Break point in line 8th

Info B enters breakpoint

R Run

N Single Step execution

P count can be seen in the debugging process p is worth changing

P &sum can see the sum address during debugging

Delete B Deletes a breakpoint

Vim, GCC, gdb in Linux