You can edit the /boot/grub/grub.conf for the value crashkernel and set it to either auto or user-specified value. It is recommended to use minimum of 128M for a machine with 2G memory or higher. In the following example, look for the line that start with “kernel”, where it is ...
Step 6:Print value of balance, rate, interest(gdb) p balance $1 = 110 (gdb) p rate $2 = 0.100000001 (gdb) p interest $3 = 10 Step 7:Step until we reach to line 15(gdb) s 14 } while ( balance >= target ); (gdb) s 15 printf("%d No. of years to achieve target balance....
(gdb) n string s: This is st 20 printf("Length of string b: %d\n", *(int*) (mem + (g_str_max_size * sizeof(char) + sizeof(int))); (gdb) n Length of string b: 9 21 printf("string s: %s\n", (char*)(mem + (g_str_max_size * sizeof(char) + sizeof(int) * 2...
You can install gdb on Debian-based linux distro (e.g. Ubuntu, Mint, etc) by following command.$ sudo apt-get update $ sudo apt-get install gdb 2. Download source code of GDB, compile it and install. Follow below mentioned steps to compile GDB from scratch and install it. Step-1:Do...
gdb example break main The output shows that the breakpoint has been set at the beginning of the “main()” function. Start Program To start the program, execute the “run” command as seen in the below figure: run Once the program stops at the breakpoint, use the following commands to...
How to use GDB to debug an application core An application core was generated, how can this core be viewed? How to troubleshoot an application that crashed How to debug an app core How to debug a crashed program Environment Red Hat Enterprise Linux ...
where in the above example that would pass through all devices on the number 2 usb host bus. 3. how to use gdb with gdbserver: Android-x86 comes with a preinstalled gdbserver. And you can find it in /sbin/gdbserver. To use gdb to debug your process, you need to: ...
Linux kernel. GDB can be used to "break in" to the running kernel to inspect memory and variables and look through call stack information, similar to what an application developer would use GDB for. It is possible to place breakpoints in kernel code and perform some limited execution stepping...
We’ll primarily use examples in C for this chapter, but you’ll be able to carry the information over to C++. 了解如何运行C编程语言编译器可以让您对在Linux系统上看到的程序的起源有很大的了解。 大多数Linux实用程序和许多Linux系统上的应用程序的源代码都是用C或C++编写的。 本章我们将主要使用C的...
We will show how to examine the stack at each stage. Getting a Backtrace in GDB In this example, we had set a breakpoint at line number 20. So, the code stopped at func2() line 20 when we use gdb. You can get the backtrace using ‘bt’ command as shown below. # gdb (gdb) ...