[Driver] Add flag enabling the function stack size section that was added in r319430

Adds the -fstack-size-section flag to enable the .stack_sizes section. The flag defaults to on for the PS4 triple.

Differential Revision: https://reviews.llvm.org/D40712

llvm-svn: 321992

3 files changed, 7 insertions, 0 deletions

diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp
index e2349da5f0a..c4a37dfc8b3 100644
--- a/clang/lib/CodeGen/BackendUtil.cpp
+++ b/clang/lib/CodeGen/BackendUtil.cpp
@@ -448,6 +448,7 @@ static void initTargetOptions(llvm::TargetOptions &Options,
   Options.UniqueSectionNames = CodeGenOpts.UniqueSectionNames;
   Options.EmulatedTLS = CodeGenOpts.EmulatedTLS;
   Options.DebuggerTuning = CodeGenOpts.getDebuggerTuning();
+  Options.EmitStackSizeSection = CodeGenOpts.StackSizeSection;
 
   if (CodeGenOpts.EnableSplitDwarf)
     Options.MCOptions.SplitDwarfFile = CodeGenOpts.SplitDwarfFile;
diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp
index c445669a5ad..b7241d2f6be 100644
--- a/clang/lib/Driver/ToolChains/Clang.cpp
+++ b/clang/lib/Driver/ToolChains/Clang.cpp
@@ -3798,6 +3798,10 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
     CmdArgs.push_back(A->getValue());
   }
 
+  if (Args.hasFlag(options::OPT_fstack_size_section,
+                   options::OPT_fno_stack_size_section, RawTriple.isPS4()))
+    CmdArgs.push_back("-fstack-size-section");
+
   CmdArgs.push_back("-ferror-limit");
   if (Arg *A = Args.getLastArg(options::OPT_ferror_limit_EQ))
     CmdArgs.push_back(A->getValue());
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index ce875fa03b9..22528004688 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -682,6 +682,8 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
                                        OPT_fno_function_sections, false);
   Opts.DataSections = Args.hasFlag(OPT_fdata_sections,
                                    OPT_fno_data_sections, false);
+  Opts.StackSizeSection =
+      Args.hasFlag(OPT_fstack_size_section, OPT_fno_stack_size_section, false);
   Opts.UniqueSectionNames = Args.hasFlag(OPT_funique_section_names,
                                          OPT_fno_unique_section_names, true);