using gdb to debug

=0x21d58b0) at/home/htf/workspace/php-5.4.27/zend/zend_vm_execute.h : 410 #11 0x0000000000901692 in Zend_execute_scripts (type=8, retval=0x0, file_count=3) at/home/htf/workspace/php-5.4.27/ zend/zend.c:1315 #12 0x000000000087926a in Php_execute_script (primary_file=0x7ffffe0038d0) at/home/htf/workspace/php-5.4.27/ main/main.c:2502 #13 0x00000000009a32e3 in Do_cli (argc=2, Argv=0x7ffffe004d18) at/home/htf/workspace/php-5.4.27/sapi/cli/php_ cli.c:989 #14 0x00000000009a4491 in Main (argc=2,

includes debugging information. Ability to compile http://free-electrons.com/pub/qemu/demos/arm/directfb/1.0/src/linux-2.6.20.tar.7z directlyIf you don't want to compile, you can use a compiled Vmlinux file: http://pan.baidu.com/s/1sjuJYc1Then run the following command, for example:$ arm-none-linux-gnueabi-gdb VmlinuxIn GDB, in console input:(GDB) Target remote:

Use of GCC commandsWhen using GCC to compile a program, the compilation process can be subdivided into four phases: Pretreatment (pre-processing) Compiling (compiling) Compilation (assembling) Links (linking) If you do not add any parameters, GCC performs all operations by default and generates the executable file directly.The corresponding parameters of the above four stages are:1.-E only performs preprocessing2.–s only comp

Linux debugging Large and C + + programs for the general programmer is a difficult thing, GDB provides a powerful debugging features and rich debugging commands, but interface friendly and user experience is not as good as vs Debugging tools PS: Many Daniel can use GdB's superb, in this cult, 工欲善其事, its prerequisite, this article focuses on the use of the Eclipse CDT for remote debugging through Gdbserver in a Windows environment. One, the tool to use

directly interrupted to the corresponding function, but GETUID-ASM uses the interrupt int 0x80 directly. So you can use break Sysenter_do_call.Summary, through their own use of the teacher's code, can be used in the smallest Linux system to write the underlying commands, although not fully understand the operation of the mechanism, but a rough understanding of the system calls the approximate process, the kernel will often use and hardware to interact with the code encapsulated as a service rou

d:\windbg>windbg-d-k1394:channel=10 -d means to interrupt immediately after the target system is connected, this is also the earliest breakpoint, this option is mainly to break down in the early stage of the target system initializationCheck the system status, the current situation can not, 1394:channel=10 represents the connection method and the channel number. When debugging for the first time with 1394 cores,WinDbg may show a boot drive failure and running WinDbg again should b

"VC Debugging (TC or BC with TD debugging) when pressing Alt+8, Alt+6 and alt+5, open the Assembly window, Memory window and register window to see each c corresponding assembly, step into and observe the corresponding memory and register changes, so after all the understanding of everything.Alt+8 DisassemblyAlt+6 MemoryAlt+5 Registers(Linux or UNIX can be debugged with GDB, look at each c corresponding assembly and step into the corresponding memory

stopsConditional breakpointAs shown on the right, loop 1000 times if you want to loop to 500Time to stop, you can create a conditional breakpoint, rightClick on the breakpoint to hang the breakpoint Properties.Check Enable ConditionIn the space, add your own condition, and if the condition returns True, the thread is suspended and if False, the exception is ignoredHit count is the number of times that the breakpoint has passed, formally suspending the thread, and if set to 500, then the first 4

Recently in C language learning. Know that Vscode support the C language of the code debugging, want to try. Then I looked for the tutorial:Https://code.visualstudio.com/docs/languages/cppHttp://www.2cto.com/kf/201606/516207.htmlDid not succeed in doing so. You can't hit a broken point.Then it comes to the fact that GCC compiled the code, which makes it impossible to hit the breakpoint, and the GDB debugger may have some unique commands. Then search t

[Zz] Tracking of API functions using debug Functions Release date:Source: CCIDBy Peng Chunhua If we can write a function similar to the debugger ourselves, this debugger must meet our requirements for the tracing and monitoring tool, that is, to automatically record input and output parameters and automatically keep the target process running. Next we will introduce the scheme that can simply output m

You can also debug a program in Python like Gcc/gdb, as long as the PDB module is introduced when you run the Python program (assuming that the program you are debugging is named d.py): The code is as follows: $ VI d.py#!/usr/bin/python def main ():I, sum = 1, 0For I in Xrange (100):sum = sum + IPrint sum if __name__ = = ' __main__ ':Main () $ python-m pdb d.py After running the above command, enter the fo

This blog series reference from Dubug is the debug tool provided under Dos,windows, which allows you to view and modify the contents of registers and memory. At the same time at the machine code level to track the operation of the program source code. 1. Common Debug functions (1) using the Debug R command to view a

In integration Services, you can create debug dump files, this provide information about the execution of a package. The information in these files can help you in troubleshooting package execution issues.By default, integration Services stores these files in the folder, The SP that created debug dump file is as follows and can only create debug dump files for th

Before you start About this tutorial This tutorial describes how to debug your iphone Web application using Eclipse, the Aptana iphone development plug-in, the Aptana Firefox JavaScript debugger, and Firebug. Goal Use the various tools provided by Aptana Studio based on Eclipse to debug WEB applications optimized for the IPhone. This tutorial focuses on how b

create your own symbolic server. The symbol server is not only used to debug minidumps, but also provides an "online" debugging method. Before using the symbol server, do not forget to correctly configure the "symbol path" option on the "debug" property page. How Microsoft

Author: Haohappy Msn:haohappy at MSN.com Blog: http://blog.csdn.net/haohappy2004 2006-07-04 why need Debugger? Many PHP programmers debug using Echo, Print_r (), Var_dump (), printf (), and so on, but for programmers with richer development experience, they can often By outputting the value of a particular variable, you can tell whether the pr

icon in the upper right corner. Next, debug the Aptana debug functions. If the function panel cannot be found on the debug interface, add it to show view under the window menu. Step 1: Add a breakpoint. Double-click the row number and double-click Delete] Step 2: Click the debug icon to run fire

Syntax error using VIM to debug C code: First Step: Open vim vim Second step: enter Copen after the command line mode input. Step three: then use SET mouse = A To turn the mouse on. The fourth step opens the C file. Open the file using the VSP re-command line. VSP demo.c can be used after the. Make demo to compile in comma

　　In the Ionic project, in addition to the discovery can be used weinre debugging pages, but also found that the same as chrome can remotely debug the page on the phone.Remote Debug readiness on Android using Chrome developer toolsBefore you start remote debugging, you need to prepare for the following: Install chrome 32 or a newer version on your PC

documentation here. varSCLT =Objw.scrolltop (); varCURW =objc.width (); varCurh =objc.height (); //Alert (SCLL + "," + sclt); //Alert (CURW + "," + Curh); //set the left and top margins to center the dialog box (the most critical place) varleft = Scll + (BRSW-CURW)/2;vartop = SCLT + (BRSH-CURH)/2;Objc.css ({"Left": Left,"Top": Top}); } This is a hidden mask layer.There are three levels of Div, ti