How to make GDB + GEF print a list of local variables in context?
2020年9月3日 · Now I am trying to debug C code in gdb, and I am trying to get a similar experience. In order to get there, today I installed gef. It looks good, but after searching in the documentation, I cannot find a way of maintaining a list with all the local variables in …
How to highlight and color gdb output during interactive …
2008年10月16日 · However, the display itself is outside of GDB (e.g. in a tmux split). GEF. GEF is another option, and it is described as: It is aimed to be used mostly by exploiters and reverse-engineers, to provide additional features to GDB using the Python API to assist during the process of dynamic analysis and exploit development.
How to print register values in GDB? - Stack Overflow
2011年3月25日 · gdb) break _start Breakpoint 1 at 0x8049000: file first.s, line 8. (gdb) define print_registers printf ...
How can I examine the stack frame with GDB?
2013年8月30日 · I can't get gdb to use registers as command arguments on GDB 7.7-0ubuntu3.1 – nightpool. Commented Nov ...
GDB: Listing all mapped memory regions for a crashed process
2017年4月6日 · In GDB 7.2: (gdb) help info proc Show /proc process information about any running process. Specify any process id, or use the program being debugged by default. Specify any of the following keywords for detailed info: mappings -- list of mapped memory regions. stat -- list a bunch of random process info.
How can one see content of stack with GDB?
(gdb) bt #0 zzz at zzz.c:96 #1 0xf7d39cba in yyy (arg=arg@entry=0x0) at yyy.c:542 #2 0xf7d3a4f6 in yyyinit at yyy.c:590 #3 0x0804ac0c in gnninit at gnn.c:374 #4 main (argc=1, argv=0xffffd5e4) at gnn.c:389 (gdb) info frame Stack level 0, frame at 0xffeac770: eip = 0x8049047 in main (goo.c:291); saved eip 0xf7f1fea1 source language c. Arglist at ...
How to send arbitary bytes to STDIN of a program in gdb?
2017年1月24日 · So it is impossible to write to the child's stdin while being in GDB's CLI because, at this moment, it is being read by GDB, not your program. The simplest solution, avoiding tty workarounds ( tty command + stty setups + reading/writing to /proc/<pid>/fd/{0,1} ), is to make your code testable and "callable" from GDB.
How to modify memory contents using GDB? - Stack Overflow
2010年7月22日 · The easiest is setting a program variable (see GDB: assignment): (gdb) l 6 { 7 int i; 8 struct file *f, *ftmp; 9 (gdb) set variable i = 10 (gdb) p i $1 = 10 Or you can just update arbitrary (writable) location by address:
How to find the address of a string in memory using GDB?
2018年11月5日 · Using info proc map sounds like a better approach to me. (gdb) info proc map process 930 Mapped address spaces: Start Addr End Addr Size Offset objfile 0x400000 0x401000 0x1000 0x0 /myapp 0x600000 0x601000 0x1000 0x0 /myapp 0x601000 0x602000 0x1000 0x1000 /myapp 0x7ffff7a1c000 0x7ffff7bd2000 0x1b6000 0x0 /usr/lib64/libc-2.17.so 0x7ffff7bd2000 0x7ffff7dd2000 0x200000 0x1b6000 /usr/lib64/libc-2. ...
invoke pwndbg using just gdb command - Stack Overflow
2023年5月26日 · define init-peda source ~/peda/peda.py end document init-peda Initializes the PEDA (Python Exploit Development Assistant for GDB) framework end define init-peda-arm source ~/peda-arm/peda-arm.py end document init-peda-arm Initializes the PEDA (Python Exploit Development Assistant for GDB) framework for ARM. end define init-peda-intel source ...