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1 *debug.txt* For Vim version 7.0b. Last change: 2005 Dec 17
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2
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4 VIM REFERENCE MANUAL by Bram Moolenaar
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5
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6
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7 Debugging Vim *debug-vim*
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8
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9 This is for debugging Vim itself, when it doesn't work properly.
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10 For debugging Vim scripts, functions, etc. see |debug-scripts|
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11
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12 1. Location of a crash, using gcc and gdb |debug-gcc|
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13 2. Windows Bug Reporting |debug-win32|
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14
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15 ==============================================================================
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16
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17 1. Location of a crash, using gcc and gdb *debug-gcc*
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18
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19 When Vim crashes in one of the test files, and you are using gcc for
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20 compilation, here is what you can do to find out exactly where Vim crashes.
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21 This also applies when using the MingW tools.
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22
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23 1. Compile Vim with the "-g" option (there is a line in the Makefile for this,
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24 which you can uncomment).
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25
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26 2. Execute these commands (replace "11" with the test that fails): >
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27 cd testdir
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28 gdb ../vim
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29 run -u unix.vim -U NONE -s dotest.in test11.in
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30
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31 3. Check where Vim crashes, gdb should give a message for this.
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32
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33 4. Get a stack trace from gdb with this command: >
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34 where
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35 < You can check out different places in the stack trace with: >
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36 frame 3
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37 < Replace "3" with one of the numbers in the stack trace.
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38
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39 ==============================================================================
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40
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41 2. Windows Bug Reporting *debug-win32*
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42
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43 If the Windows version of Vim crashes in a reproducible manner,
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44 you can take some steps to provide a useful bug report.
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45
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46 First, you must obtain the debugger symbols (PDB) file for your executable:
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47 gvim.pdb for gvim.exe, or vim.pdb for vim.exe. It should be available
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48 from the same place that you obtained the executable. Be sure to use
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49 the PDB that matches the EXE.
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50
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51 If you built the executable yourself with the Microsoft Visual C++ compiler,
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52 then the PDB was built with the EXE.
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53
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54 You can download the Microsoft Visual C++ Toolkit from
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55 http://msdn.microsoft.com/visualc/vctoolkit2003/
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56 This contains the command-line tools, but not the Visual Studio IDE.
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57
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58 The Debugging Tools for Windows can be downloaded from
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59 http://www.microsoft.com/whdc/devtools/debugging/default.mspx
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60 This includes the WinDbg debugger.
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61
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62 If you have Visual Studio, use that instead of the VC Toolkit
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63 and WinDbg.
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64
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65 For other compilers, you should always use the corresponding debugger: TD for
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66 a Vim executable compiled with the Borland compiler; gdb (see above
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67 |debug-gcc|) for the Cygwin and MinGW compilers.
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68
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69 =========================================================================
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70 vim:tw=78:ts=8:ft=help:norl:
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