diff options
| -rw-r--r-- | clang/include/clang/CodeGen/CodeGenOptions.h | 4 | ||||
| -rw-r--r-- | clang/include/clang/Driver/CC1Options.td | 4 | ||||
| -rw-r--r-- | clang/lib/Frontend/CodeGenAction.cpp | 3 | ||||
| -rw-r--r-- | clang/lib/Frontend/CompilerInvocation.cpp | 7 |
4 files changed, 18 insertions, 0 deletions
diff --git a/clang/include/clang/CodeGen/CodeGenOptions.h b/clang/include/clang/CodeGen/CodeGenOptions.h index 638ed516ed0..51b9c57f2c6 100644 --- a/clang/include/clang/CodeGen/CodeGenOptions.h +++ b/clang/include/clang/CodeGen/CodeGenOptions.h @@ -32,6 +32,7 @@ public: unsigned CXAAtExit : 1; /// Use __cxa_atexit for calling destructors. unsigned CXXCtorDtorAliases: 1; /// Emit complete ctors/dtors as linker /// aliases to base ctors when possible. + unsigned DataSections : 1; /// Set when -fdata-sections is enabled unsigned DebugInfo : 1; /// Should generate deubg info (-g). unsigned DisableFPElim : 1; /// Set when -fomit-frame-pointer is enabled. unsigned DisableLLVMOpts : 1; /// Don't run any optimizations, for use in @@ -39,6 +40,7 @@ public: /// internal state before optimizations are /// done. unsigned DisableRedZone : 1; /// Set when -mno-red-zone is enabled. + unsigned FunctionSections : 1; /// Set when -ffunction-sections is enabled unsigned MergeAllConstants : 1; /// Merge identical constants. unsigned NoCommon : 1; /// Set when -fno-common or C++ is enabled. unsigned NoImplicitFloat : 1; /// Set when -mno-implicit-float is enabled. @@ -88,10 +90,12 @@ public: AsmVerbose = 0; CXAAtExit = 1; CXXCtorDtorAliases = 0; + DataSections = 0; DebugInfo = 0; DisableFPElim = 0; DisableLLVMOpts = 0; DisableRedZone = 0; + FunctionSections = 0; MergeAllConstants = 1; NoCommon = 0; NoImplicitFloat = 0; diff --git a/clang/include/clang/Driver/CC1Options.td b/clang/include/clang/Driver/CC1Options.td index 74e9b8694e0..542bde6b323 100644 --- a/clang/include/clang/Driver/CC1Options.td +++ b/clang/include/clang/Driver/CC1Options.td @@ -123,6 +123,10 @@ def fno_threadsafe_statics : Flag<"-fno-threadsafe-statics">, HelpText<"Do not emit code to make initialization of local statics thread safe">; def fdump_vtable_layouts : Flag<"-fdump-vtable-layouts">, HelpText<"Dump the layouts of all vtables that will be emitted in a translation unit">; +def ffunction_sections : Flag<"-ffunction-sections">, + HelpText<"Place each function in its own section (ELF Only)">; +def fdata_sections : Flag<"-fdata-sections">, + HelpText<"Place each data in its own section (ELF Only)">; def masm_verbose : Flag<"-masm-verbose">, HelpText<"Generate verbose assembly output">; def mcode_model : Separate<"-mcode-model">, diff --git a/clang/lib/Frontend/CodeGenAction.cpp b/clang/lib/Frontend/CodeGenAction.cpp index 7ed702ed511..fdce21170e3 100644 --- a/clang/lib/Frontend/CodeGenAction.cpp +++ b/clang/lib/Frontend/CodeGenAction.cpp @@ -261,6 +261,9 @@ bool BackendConsumer::AddEmitPasses() { TargetMachine::setAsmVerbosityDefault(CodeGenOpts.AsmVerbose); + TargetMachine::setFunctionSections(CodeGenOpts.FunctionSections); + TargetMachine::setDataSections (CodeGenOpts.DataSections); + // FIXME: Parse this earlier. if (CodeGenOpts.RelocationModel == "static") { TargetMachine::setRelocationModel(llvm::Reloc::Static); diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp index 17007b00796..b5e56458779 100644 --- a/clang/lib/Frontend/CompilerInvocation.cpp +++ b/clang/lib/Frontend/CompilerInvocation.cpp @@ -148,6 +148,10 @@ static void CodeGenOptsToArgs(const CodeGenOptions &Opts, // VerifyModule is only derived. // Inlining is only derived. + if (Opts.DataSections) + Res.push_back("-fdata-sections"); + if (Opts.FunctionSections) + Res.push_back("-ffunction-sections"); if (Opts.AsmVerbose) Res.push_back("-masm-verbose"); if (!Opts.CodeModel.empty()) { @@ -803,6 +807,9 @@ static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); Opts.RelocationModel = getLastArgValue(Args, OPT_mrelocation_model, "pic"); + Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); + Opts.DataSections = Args.hasArg(OPT_fdata_sections); + Opts.MainFileName = getLastArgValue(Args, OPT_main_file_name); Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); } |
