Test case? On Wed, Nov 4, 2015 at 3:44 PM, Tamas Berghammer via cfe-commits < cfe-commits@lists.llvm.org> wrote:
> tberghammer created this revision. > tberghammer added a reviewer: echristo. > tberghammer added a subscriber: cfe-commits. > > Add new compiler flag to enable the generation of dwarf accelerator tables > > The dwarf accelerator tables already generated on darwin platforms. This > CL ands a new flag to clang to make it possible to enable the generation of > these tables on other platforms also. > > Note: Currently the accelerator table generation code isn't working when > split dwarf is enabled for several reasons (accelerator tables aren't > copied to dwo file, they contain relocation entries for the .debug_str.dwo > sections). These issues should be addressed separately. > > http://reviews.llvm.org/D14354 > > Files: > include/clang/Driver/Options.td > lib/Driver/Tools.cpp > > Index: lib/Driver/Tools.cpp > =================================================================== > --- lib/Driver/Tools.cpp > +++ lib/Driver/Tools.cpp > @@ -3876,6 +3876,14 @@ > CmdArgs.push_back("-split-dwarf=Enable"); > } > > + // -gdwarf-accel-tables should turn on -g and enable the genereation of > the > + // dwarf acceleration tables in the backend. > + if (Args.hasArg(options::OPT_gdwarf_accel_tables)) { > + DebugInfoKind = CodeGenOptions::LimitedDebugInfo; > + CmdArgs.push_back("-backend-option"); > + CmdArgs.push_back("-dwarf-accel-tables=Enable"); > + } > + > // After we've dealt with all combinations of things that could > // make DebugInfoKind be other than None or DebugLineTablesOnly, > // figure out if we need to "upgrade" it to standalone debug info. > Index: include/clang/Driver/Options.td > =================================================================== > --- include/clang/Driver/Options.td > +++ include/clang/Driver/Options.td > @@ -1161,6 +1161,7 @@ > def gsplit_dwarf : Flag<["-"], "gsplit-dwarf">, Group<g_flags_Group>; > def ggnu_pubnames : Flag<["-"], "ggnu-pubnames">, Group<g_flags_Group>; > def gdwarf_aranges : Flag<["-"], "gdwarf-aranges">, Group<g_flags_Group>; > +def gdwarf_accel_tables : Flag<["-"], "gdwarf-accel-tables">, > Group<g_flags_Group>; > def gmodules : Flag <["-"], "gmodules">, Group<f_Group>, > HelpText<"Generate debug info with external references to clang modules" > " or precompiled headers">; > > > > _______________________________________________ > cfe-commits mailing list > cfe-commits@lists.llvm.org > http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits > >
_______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
