forked from OSchip/llvm-project
Clang docs update: list command-line flags that control the size of generated debug information. Reviewed by chandlerc@ and echristo@.
llvm-svn: 157681
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@ -49,6 +49,7 @@ td {
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</li>
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<li><a href="#precompiledheaders">Precompiled Headers</a></li>
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<li><a href="#codegen">Controlling Code Generation</a></li>
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<li><a href="#debuginfosize">Controlling Size of Debug Information</a></li>
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</ul>
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</li>
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<li><a href="#c">C Language Features</a>
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@ -857,6 +858,29 @@ useful for environments (e.g. deeply embedded) where a trap cannot be properly
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handled, or when some custom behavior is desired.</dd>
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</dl>
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<!-- = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = -->
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<h3 id="debuginfosize">Controlling Size of Debug Information</h3>
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<!-- = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = -->
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<p>Debug info kind generated by Clang can be set by one of the flags listed
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below. If multiple flags are present, the last one is used.</p>
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<!-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -->
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<dl>
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<dt id="opt_g0"><b>-g0</b>: Don't generate any debug info (default).
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<dt id="opt_gline-tables-only"><b>-gline-tables-only</b>:
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Generate line number tables only.
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<dd>
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This kind of debug info allows to obtain stack traces with function
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names, file names and line numbers (by such tools as
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gdb or addr2line). It doesn't contain any other data (e.g.
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description of local variables or function parameters).
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</dd>
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<dt id="opt_g"><b>-g</b>: Generate complete debug info.
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</dl>
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<!-- ======================================================================= -->
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<h2 id="c">C Language Features</h2>
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<!-- ======================================================================= -->
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