Windows symbol files
1. What is symbol file?
Symbol files hold a variety of data which are not actually needed when running the binaries (DLL, exe...), but which cocould be very useful in the debugging process(It's a good partner for vc6 ++ and windbg ).
In general, symbol file is a file that contains the debugging inf
NM command[In the content provided by the gnu c language library, an interface can be used to do this. Run the following command to View Details:Nm-D/lib/libc. so.6 | grep log]
The nm command is relatively simple and powerful. It is used to list various symbols in a target file. There are many types of symbols. The following are some common symbol types.
Nm output characters
Description
R
Read Only
the difference between a MathType similarity symbol and a wave number.
Many people in the editing of similar symbols, will directly click on the MathType toolbar template "relationship symbol" template, select the wave inside, but in the use of this symbol must be noted that the MathType edit window at the bottom of the status bar under the description is "oper
You often use special symbols when writing articles, such as "§". There are many ways to enter this symbol, let's look at how to enter this symbol in WPS.
First, use the symbol bar:
Look at the menu item "view | toolbar | symbol BAR" Is there a tick in front of it? If there is a tick, the
First to install the plugin, the plugin download address is: Http://www.wps.cn/index.php?mod=addonsact=frontSearch
Click "Download Now" in the diagram to automatically open a WPS text document, pop-up "Office gadgets" dialog box, will soon be under the "Plugin download" tab under the Prompt installation success, click the "Close" button, close the Office Gadgets dialog box.
When the enhanced symbol Bar plug-in is installed, a
The following error occurs when unresolved external symbol _ main is searched:
When creating an MFC project, the MFC Appwizard wizard is not used. If the project parameters are not set, many connection errors will be generated during compilation, such as error lnk2001. Typical error prompts include:
Libcmtd. Lib (crt0.obj): Error lnk2001: unresolved external symbol _ main
Libcd. Lib (wincrt0.obj): Err
When using the MathType mathematical formula editor to edit the formula, sometimes there will be mathtype mathematical symbol anomalies, not displayed correctly, but also not garbled, such as the MathType summation symbol is shown as the black triangle, in this case how to solve it?If you have any questions, you can go directly to: http://www.mathtype.cn/wenti/qiuhe-fuhao.htmHere's how to fix it: 1. Open th
Avoid Duplicate symbol in the static library and its customerPublish the static library for use by the user. In practical engineering practice, iOS static libraries typically appear when the SDK is available externally/internally.The static library (SDK) itself may depend on some third-party libraries, and the problem comes when apps that use the SDK also rely on the same third-party libraries.FIGURE:SDK and SDK Customer relies on the same 3rd library
1 symbol table2 CodeEach variable is labeled to prevent the view from being mixed.int _1_cpp_i_ = 1;const int _2_cpp_c_i_ = 1;static int _2_cpp_s_i_ = 1;void _4_cpp_v_func_i_i_ (int, int) { return;} int _5_cpp_i_func_i_i_ (int, int) { return 1;} extern "C" {int _6_c_i_ = 1;const int _7_c_c_i_ = 1;static int _8_c_s_i_ = 1;void _9_c_v_func_i_i_ (int, int) { return;} int _0_c_i_func_i_i_ (int, int) { return 1;}}Then compile and view, and note
Prompt appears unresolved external symbol _main searched for the following reasons below
When you create an MFC project, you do not use the MFC AppWizard Wizard, if you do not set the project parameters, you will generate many connection errors at compile time, such as error LNK2001 errors, typical error prompts are:
LIBCMTD.lib (crt0.obj): Error lnk2001:unresolved external symbol _main
LIBCD.lib (wincrt0
Tags: cut intercept sort sort WC statistics split cut special symbolsShell Special Symbol _cut command概念:cut命令用来截取某一个字段格式:cut -d ‘分割字符‘ [-cf] n,这里的n是数字,该命令选项有如下几个:- d 后面跟分割字符,分割字符要用单引号括起来- c 后面接的是第几个字符- f 后面接的是第几个区块The Cut command uses the following
[Email protected] do]# cat/etc/passwd |head-2Root:x:0:0:root:/root:/bin/bashBin:x:1:1:bin:/bin:/sbin/nologin[[email protected] do]# cat/etc/passwd |head-2 |cut-d ': '-F 1RootBin[Email protected] d
It is very difficult for WinDBG to load the symbol table. It is clear that the path of the symbol table has been loaded, but the breakpoint cannot be added. The following is the subject:
The symbol table cannot be loaded and the breakpoint cannot be triggered.
1. Check whether sympath is correct
Kd>. sympathSymbol search path is: srv * SignatureExpanded
Http://blog.chinaunix.net/uid-20543672-id-3023148.html
A few days ago a colleague asked me: If a module to call the function of another module, do not do anything special processing. I just knew I needed to be called the function Export_symbol ();. However, because of the specific module experiment has not done, I immediately made a show to him, I also verified. As soon as the experiment was done, the problem came: though the compilation passed (with a warning:WARNING:"Exported_function_2" [/ho
Create a new environment variable _NT_SYMBOL_PATH value is: srv*c:\mysymbol* http://msdl.microsoft.com/download/symbols
WinDbg unable to load symbol table is very painful things, clearly the symbol table path has been loaded, but still can not add breakpoints, the following directly into the theme:The symbol table cannot be loaded and the breakpoint cannot be tri
Ver2.0:
struct Node:Std::unique_ptrstd::string name; Node nameStd::vectorStd::shared_ptrStd::unique_ptrClass Description:1 each node corresponds to a symbol in Python, the variable symbol/action symbol2 operation symbol should contain operation function, input symbol, output symbol
Many users of Visual C ++ have encountered connection errors such as lnk2005: symbol already defined and lnk1169: one or more multiply defined symbols found, and it is usually encountered when using a third-party library. Some may be unaware of this problem, while some may be unaware of it, so this article attempts to thoroughly solve all kinds of questions about it.
As we all know, the process from C/C ++ source code to executable files goes through
How to Use symbol retriever
1. DownloadWindows symbol packageHttp://www.microsoft.com/whdc/devtools/debugging/symbolpkg.mspxThe default installation path is c: \ windows \ symbols. It takes time to download all symbol files from the server. We recommend that you install the files.
2. Install the latest versionDebugging tools for Windows, As follows:Http://www.
MathType can enter a lot of mathematical symbols, more convenient than the mathematical formula editor in Word, but also can enter the symbols it can not enter, such as the radian symbol, but sometimes we may find that the radian symbol entered in the MathType will show an exception, So how to solve this problem?If you have any questions, you can go directly to: http://www.mathtype.cn/wenti/hudu-fuhao.htm
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