Author: adrian Date: Mon Jul 11 12:03:16 2016 New Revision: 275076 URL: http://llvm.org/viewvc/llvm-project?rev=275076&view=rev Log: [man page] Document -gline-tables-only in the clang man page.
Modified: cfe/trunk/docs/CommandGuide/clang.rst Modified: cfe/trunk/docs/CommandGuide/clang.rst URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/CommandGuide/clang.rst?rev=275076&r1=275075&r2=275076&view=diff ============================================================================== --- cfe/trunk/docs/CommandGuide/clang.rst (original) +++ cfe/trunk/docs/CommandGuide/clang.rst Mon Jul 11 12:03:16 2016 @@ -253,22 +253,32 @@ Code Generation Options Currently equivalent to :option:`-O3` -.. option:: -g +.. option:: -g, -gline-tables-only, -gmodules - Generate debug information. Note that Clang debug information works best at -O0. + Control debug information output. Note that Clang debug information works + best at :option:`-O0`. When more than one option starting with `-g` is + specified, the last one wins: + + :option:`-g` Generate debug information. + + :option:`-gline-tables-only` Generate only line table debug information. This + allows for symbolicated backtraces with inlining information, but does not + include any information about variables, their locations or types. + + :option:`-gmodules` Generate debug information that contains external + references to types defined in Clang modules or precompiled headers instead + of emitting redundant debug type information into every object file. This + option transparently switches the Clang module format to object file + containers that hold the Clang module together with the debug information. + When compiling a program that uses Clang modules or precompiled headers, + this option produces complete debug information with faster compile + times and much smaller object files. + + This option should not be used when building static libraries for + distribution to other machines because the debug info will contain + references to the module cache on the machine the object files in the + library were built on. -.. option:: -gmodules - - Generate debug information that contains external references to - types defined in clang modules or precompiled headers instead of - emitting redundant debug type information into every object file. - This option implies :option:`-fmodule-format=obj`. - - This option should not be used when building static libraries for - distribution to other machines because the debug info will contain - references to the module cache on the machine the object files in - the library were built on. - .. option:: -fstandalone-debug -fno-standalone-debug Clang supports a number of optimizations to reduce the size of debug _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits