Added more commands to gdb notes

1 files changed, 58 insertions, 7 deletions

diff --git a/md/writeup/using_gdb.md b/md/writeup/using_gdb.md
index ab27272..75e0bf3 100644
--- a/md/writeup/using_gdb.md
+++ b/md/writeup/using_gdb.md
@@ -1,5 +1,6 @@
 title: Using GDB
 keywords:gdb,debug,linux
+
 # Using GDB
 
 GDB is gnu debugger that excists for years and it work on any linux/bsd
@@ -20,24 +21,53 @@ more stuff will added
 gdb [PROGRAM]
 ```
 
+
+Run program
+
 ```
 (gdb) run [CMD LINE PARAMS TO PROGRAM]
 ```
 
+Load ELD fileas with stuff and symbols
+
+```bash
+load file.elf
+file file.elf
+```
+
+###
+
 ## Setting breakpoints
 
-Setting breakpoint on speific address
+### Speific address
 
 ```bash
 (gdb) break *0x800000
 ```
 
-on specific function
+### Function
 
 ```bash
 (gdb) break _start
 ```
 
+### Source line
+
+```bash
+(gdb) break src/main.c:12
+```
+
+###List breakpoints
+
+```bash
+(gdb) info b
+```
+
+##Delete breakpoints
+```bash
+(gdb) clear src/main.c:12
+```
+
 Here is more breakpoint types [Link1](http://ftp.gnu.org/old-gnu/Manuals/gdb/html_node/gdb_28.html) and [Link2](http://www.unknownroad.com/rtfm/gdbtut/gdbbreak.html) 
 
 ## Print registers
@@ -62,29 +92,50 @@ print value in hex
 
 ## Print memory
 
-print one byte in specific adress
+### Byte
+print one byte from specific adress
 ```bash
 (gdb) x/u *0x808080
 ```
 
-print array of 16 bytes in hex
+### Array
+
+print 16 bytes in hex
 ```bash
-gdb) x/16xu *0xffffd310
+(gdb) x/16xu *0xffffd310
 ```
 
+print from pointer value array
 
-from register value
+```bash
+(gdb) print/x *array_var@123
+```
+
+### Register value
 
 ```bash
 (gdb) x/4xb $ebp-0xc
 ```
 
-## Print current position instruction
+### Print current position instruction
 
 ```bash
 (gdb) x/i $pc
 ```
 
+### Structure
+
+turn on more nicer structure otutput
+
+```bash
+set print pretty on
+```
+
+```bash
+(gdb) ptype SPI_HandleTypeDef
+```
+
+
 ## Step
 
 ```bash