Using GDB in Visual Studio

偏执的太偏执、 2022-08-03 03:13 242阅读 0赞

转自https://gpac.wp.mines-telecom.fr/2015/06/11/using-gdb-in-visual-studio/

Dear followers,

One of the target platform for GPAC is Windows. Developing for Windows in a comfortable manner requires Visual Studio, in particular for debugging. Microsoft recently announced great changes that will make Visual Studio users (including the GPAC developers) happy:

  • Visual Studio Community Edition replaces the Express Edition. It is very complete for development.
  • 6 weeks ago, Microsoft open-sourced their GDB/LLDB front-end for Visual Studio 2015. It means that we can now debug gcc-built programs with the Visual Studio debugguer interface.

Setup for local debugging

Install software:

  • Install Visual Studio 2015. Install the “Tools for Visual C++ Mobile Development” in a sub-menu (disabled by default).
  • Install gdb/gdbserver. Use MinGW-w64 binaries and put them in your PATH (you can rely on the excellent MSYS2 for a full development environment).
    /!\ Legacy MinGW and Cygwin gdb binaries are known to fail /!\

Build:

  • Use your usual build system and gcc or clang compiler. Don’t forget to enable debugging!

Debugging:

  • In your command-line, launch: 
  1. <table style="box-sizing: border-box; font-size: 12px; line-height: 2; margin-left: -19px; border: none !important; border-collapse: collapse !important; border-spacing: 0px !important; margin-top: 0px !important; margin-right: 0px !important; margin-bottom: 0px !important; width: auto !important; padding: 0px !important; table-layout: auto !important; background: none !important;"> 
  2.  <tbody style="box-sizing: border-box;"> 
  3.   <tr style="box-sizing: border-box; padding: 0px !important; border: none !important; vertical-align: top !important; margin: 0px !important; background: 0px 50%;"> 
  4.    <td style="box-sizing: border-box; border: 0px; padding: 0px !important; font-family: Monaco, MonacoRegular, 'Courier New', monospace !important; vertical-align: top !important; margin: 0px !important; color: rgb(134, 134, 134) !important; background-image: initial !important; background-attachment: initial !important; background-size: initial !important; background-origin: initial !important; background-clip: initial !important; background-position: initial !important; background-repeat: initial !important;"> 
  5.     <div style="box-sizing: border-box; border: 0px; padding: 0px; margin: 0px; white-space: nowrap; line-height: 15px !important; background: 0px 50%;"> 
  6.      <div style="box-sizing: border-box; font-family: inherit; border: 0px; padding: 0px 5px; margin: 0px; text-align: center; height: inherit; font-size: inherit !important; line-height: inherit !important; font-weight: inherit !important; background: 0px 50%;">
  7.        1 
  8.      </div> 
  9.     </div></td> 
  10.    <td style="box-sizing: border-box; border: 0px; width: 563px; padding: 0px !important; font-family: Monaco, MonacoRegular, 'Courier New', monospace !important; vertical-align: top !important; margin: 0px !important; background: 0px 50%;"> 
  11.     <div style="box-sizing: border-box; padding: 0px; margin: 0px; white-space: pre; overflow: visible; tab-size: 4; border: none !important; color: rgb(248, 248, 242) !important; line-height: 15px !important; background: none !important;"> 
  12.      <div style="box-sizing: border-box; font-family: inherit; border: 0px; padding: 0px 5px; margin: 0px; height: inherit; font-size: inherit !important; line-height: inherit !important; font-weight: inherit !important; background: 0px 50%;"> 
  13.       <span style="box-sizing: border-box; font-family: inherit; height: inherit; font-size: inherit !important; line-height: inherit !important; font-weight: inherit !important; color: rgb(249, 38, 80) !important;">gdbserver </span> 
  14.       <span style="box-sizing: border-box; font-family: inherit; height: inherit; font-size: inherit !important; line-height: inherit !important; font-weight: inherit !important;">host</span> 
  15.       <span style="box-sizing: border-box; font-family: inherit; height: inherit; font-size: inherit !important; line-height: inherit !important; font-weight: inherit !important;">:</span> 
  16.       <span style="box-sizing: border-box; font-family: inherit; height: inherit; font-size: inherit !important; line-height: inherit !important; font-weight: inherit !important; color: rgb(249, 38, 80) !important;">port </span> 
  17.       <span style="box-sizing: border-box; font-family: inherit; height: inherit; font-size: inherit !important; line-height: inherit !important; font-weight: inherit !important;">path</span> 
  18.       <span style="box-sizing: border-box; font-family: inherit; height: inherit; font-size: inherit !important; line-height: inherit !important; font-weight: inherit !important;">/</span> 
  19.       <span style="box-sizing: border-box; font-family: inherit; height: inherit; font-size: inherit !important; line-height: inherit !important; font-weight: inherit !important; color: rgb(102, 217, 239) !important;">to</span> 
  20.       <span style="box-sizing: border-box; font-family: inherit; height: inherit; font-size: inherit !important; line-height: inherit !important; font-weight: inherit !important;">/</span> 
  21.       <span style="box-sizing: border-box; font-family: inherit; height: inherit; font-size: inherit !important; line-height: inherit !important; font-weight: inherit !important;">executable</span> 
  22.      </div> 
  23.     </div></td> 
  24.   </tr> 
  25.  </tbody> 
  26. </table>

  • In Visual Studio:

    • Open the “command window” (either press CTRL+ALT+A or click: View menu -> Other Windows -> Command Window)
    • Launch: 
  1.     <table style="font-size:12px; line-height:2; margin-left:-19px; border:none!important; border-collapse:collapse!important; border-spacing:0px!important; margin-top:0px!important; margin-right:0px!important; margin-bottom:0px!important; width:auto!important; padding:0px!important; table-layout:auto!important; background:none!important"> 
  2.      <tbody style=""> 
  3.       <tr style="padding:0px!important; border:none!important; vertical-align:top!important; margin:0px!important; background:0px 50%"> 
  4.        <td style="border:0px; padding:0px!important; font-family:Monaco,MonacoRegular,'Courier New',monospace!important; vertical-align:top!important; margin:0px!important; color:rgb(134,134,134)!important"> 
  5.         <div style="border:0px; padding:0px; margin:0px; white-space:nowrap; line-height:15px!important; background:0px 50%"> 
  6.          <div style="font-family:inherit; border:0px; padding:0px 5px; margin:0px; text-align:center; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important; background:0px 50%">
  7.            1 
  8.          </div> 
  9.         </div> </td> 
  10.        <td style="border:0px; width:896px; padding:0px!important; font-family:Monaco,MonacoRegular,'Courier New',monospace!important; vertical-align:top!important; margin:0px!important; background:0px 50%"> 
  11.         <div style="padding:0px; margin:0px; white-space:pre; overflow:visible; border:none!important; color:rgb(248,248,242)!important; line-height:15px!important; background:none!important"> 
  12.          <div style="font-family:inherit; border:0px; padding:0px 5px; margin:0px; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important; background:0px 50%"> 
  13.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important">Debug</span> 
  14.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important">.</span> 
  15.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important">GDBLaunch</span> 
  16.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important; color:rgb(0,111,224)!important"> </span> 
  17.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important">/</span> 
  18.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important">Executable</span> 
  19.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important">:</span> 
  20.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important">path</span> 
  21.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important">\</span> 
  22.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important; color:rgb(102,217,239)!important">to</span> 
  23.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important">\</span> 
  24.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important">executable</span> 
  25.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important; color:rgb(0,111,224)!important"> </span> 
  26.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important">/</span> 
  27.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important">GDBPath</span> 
  28.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important">:</span> 
  29.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important">path</span> 
  30.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important">\</span> 
  31.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important; color:rgb(102,217,239)!important">to</span> 
  32.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important">\</span> 
  33.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important">gdb</span> 
  34.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important">.</span> 
  35.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important">exe</span> 
  36.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important; color:rgb(0,111,224)!important"> </span> 
  37.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important">/</span> 
  38.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important">GDBServerAddress</span> 
  39.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important">:</span> 
  40.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important">host</span> 
  41.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important">:</span> 
  42.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important">port</span> 
  43.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important; color:rgb(0,111,224)!important"> </span> 
  44.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important">/</span> 
  45.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important">TargetArchitecture</span> 
  46.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important">:</span> 
  47.           <span style="font-family:inherit; height:inherit; font-size:inherit!important; line-height:inherit!important; font-weight:inherit!important">x64</span> 
  48.          </div> 
  49.         </div> </td> 
  50.       </tr> 
  51.      </tbody> 
  52.     </table>
  54. That’s all! Once Debug.GDBLaunch is attached your program will run. Breakpoints are effective. And you can enjoy the Visual Studio debugging experience:
  56. [![20150610\_msvs\_gdb][20150610_msvs_gdb]][20150610_msvs_gdb]
  58. Setup for remote debugging
  60. This is an extension of the gdbserver we used above.  It allows to debug mobile (android/iOS) or any platform (linux, …) executables from a remote
  62. For specific remote parameters, see:
  64.  *  [MSDN blog post][MSDN_blog post].
  65.  *  [A tester’s blog post][A tester_s blog post].

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