[llvm] r336838 - gold: Add ability to toggle function/data sections
Bill Wendling via llvm-commits
llvm-commits at lists.llvm.org
Wed Jul 11 12:13:26 PDT 2018
Author: void
Date: Wed Jul 11 12:13:26 2018
New Revision: 336838
URL: http://llvm.org/viewvc/llvm-project?rev=336838&view=rev
Log:
gold: Add ability to toggle function/data sections
Some programs (e.g. Linux) aren't able to handle function/data sections when
LTO is used. Thus they need a way to disable it. That can be done with these
plugin options:
-plugin-opt=-function-sections=0
-plugin-opt=-data-sections=0
Modified:
llvm/trunk/tools/gold/gold-plugin.cpp
Modified: llvm/trunk/tools/gold/gold-plugin.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/gold/gold-plugin.cpp?rev=336838&r1=336837&r2=336838&view=diff
==============================================================================
--- llvm/trunk/tools/gold/gold-plugin.cpp (original)
+++ llvm/trunk/tools/gold/gold-plugin.cpp Wed Jul 11 12:13:26 2018
@@ -834,9 +834,11 @@ static std::unique_ptr<LTO> createLTO(In
// FIXME: Check the gold version or add a new option to enable them.
Conf.Options.RelaxELFRelocations = false;
- // Enable function/data sections by default.
- Conf.Options.FunctionSections = true;
- Conf.Options.DataSections = true;
+ // Toggle function/data sections.
+ if (FunctionSections.getNumOccurrences() == 0)
+ Conf.Options.FunctionSections = true;
+ if (DataSections.getNumOccurrences() == 0)
+ Conf.Options.DataSections = true;
Conf.MAttrs = MAttrs;
Conf.RelocModel = RelocationModel;
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