Author: seaneveson Date: Mon Jan 8 05:42:26 2018 New Revision: 321992 URL: http://llvm.org/viewvc/llvm-project?rev=321992&view=rev Log: [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 Added: cfe/trunk/test/CodeGen/stack-size-section.c cfe/trunk/test/Driver/stack-size-section.c Modified: cfe/trunk/include/clang/Driver/Options.td cfe/trunk/include/clang/Frontend/CodeGenOptions.def cfe/trunk/lib/CodeGen/BackendUtil.cpp cfe/trunk/lib/Driver/ToolChains/Clang.cpp cfe/trunk/lib/Frontend/CompilerInvocation.cpp Modified: cfe/trunk/include/clang/Driver/Options.td URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/Options.td?rev=321992&r1=321991&r2=321992&view=diff ============================================================================== --- cfe/trunk/include/clang/Driver/Options.td (original) +++ cfe/trunk/include/clang/Driver/Options.td Mon Jan 8 05:42:26 2018 @@ -1574,6 +1574,10 @@ def fdata_sections : Flag <["-"], "fdata Flags<[CC1Option]>, HelpText<"Place each data in its own section (ELF Only)">; def fno_data_sections : Flag <["-"], "fno-data-sections">, Group<f_Group>, Flags<[CC1Option]>; +def fstack_size_section : Flag<["-"], "fstack-size-section">, Group<f_Group>, Flags<[CC1Option]>, + HelpText<"Emit section containing metadata on function stack sizes">; +def fno_stack_size_section : Flag<["-"], "fno-stack-size-section">, Group<f_Group>, Flags<[CC1Option]>, + HelpText<"Don't emit section containing metadata on function stack sizes">; def funique_section_names : Flag <["-"], "funique-section-names">, Group<f_Group>, Flags<[CC1Option]>, Modified: cfe/trunk/include/clang/Frontend/CodeGenOptions.def URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Frontend/CodeGenOptions.def?rev=321992&r1=321991&r2=321992&view=diff ============================================================================== --- cfe/trunk/include/clang/Frontend/CodeGenOptions.def (original) +++ cfe/trunk/include/clang/Frontend/CodeGenOptions.def Mon Jan 8 05:42:26 2018 @@ -83,6 +83,7 @@ CODEGENOPT(InstrumentFunctionEntryBare , CODEGENOPT(XRayInstrumentFunctions , 1, 0) ///< Set when -fxray-instrument is ///< enabled. +CODEGENOPT(StackSizeSection , 1, 0) ///< Set when -fstack-size-section is enabled. ///< Set when -fxray-always-emit-customevents is enabled. CODEGENOPT(XRayAlwaysEmitCustomEvents , 1, 0) Modified: cfe/trunk/lib/CodeGen/BackendUtil.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/BackendUtil.cpp?rev=321992&r1=321991&r2=321992&view=diff ============================================================================== --- cfe/trunk/lib/CodeGen/BackendUtil.cpp (original) +++ cfe/trunk/lib/CodeGen/BackendUtil.cpp Mon Jan 8 05:42:26 2018 @@ -448,6 +448,7 @@ static void initTargetOptions(llvm::Targ Options.UniqueSectionNames = CodeGenOpts.UniqueSectionNames; Options.EmulatedTLS = CodeGenOpts.EmulatedTLS; Options.DebuggerTuning = CodeGenOpts.getDebuggerTuning(); + Options.EmitStackSizeSection = CodeGenOpts.StackSizeSection; if (CodeGenOpts.EnableSplitDwarf) Options.MCOptions.SplitDwarfFile = CodeGenOpts.SplitDwarfFile; Modified: cfe/trunk/lib/Driver/ToolChains/Clang.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/Clang.cpp?rev=321992&r1=321991&r2=321992&view=diff ============================================================================== --- cfe/trunk/lib/Driver/ToolChains/Clang.cpp (original) +++ cfe/trunk/lib/Driver/ToolChains/Clang.cpp Mon Jan 8 05:42:26 2018 @@ -3798,6 +3798,10 @@ void Clang::ConstructJob(Compilation &C, 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()); Modified: cfe/trunk/lib/Frontend/CompilerInvocation.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/CompilerInvocation.cpp?rev=321992&r1=321991&r2=321992&view=diff ============================================================================== --- cfe/trunk/lib/Frontend/CompilerInvocation.cpp (original) +++ cfe/trunk/lib/Frontend/CompilerInvocation.cpp Mon Jan 8 05:42:26 2018 @@ -682,6 +682,8 @@ static bool ParseCodeGenArgs(CodeGenOpti 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); Added: cfe/trunk/test/CodeGen/stack-size-section.c URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/stack-size-section.c?rev=321992&view=auto ============================================================================== --- cfe/trunk/test/CodeGen/stack-size-section.c (added) +++ cfe/trunk/test/CodeGen/stack-size-section.c Mon Jan 8 05:42:26 2018 @@ -0,0 +1,7 @@ +// RUN: %clang_cc1 -triple x86_64-unknown %s -S -o - | FileCheck %s --check-prefix=CHECK-ABSENT +// CHECK-ABSENT-NOT: section .stack_sizes + +// RUN: %clang_cc1 -triple x86_64-unknown -fstack-size-section %s -S -o - | FileCheck %s --check-prefix=CHECK-PRESENT +// CHECK-PRESENT: section .stack_sizes + +int foo() { return 42; } Added: cfe/trunk/test/Driver/stack-size-section.c URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/stack-size-section.c?rev=321992&view=auto ============================================================================== --- cfe/trunk/test/Driver/stack-size-section.c (added) +++ cfe/trunk/test/Driver/stack-size-section.c Mon Jan 8 05:42:26 2018 @@ -0,0 +1,9 @@ +// RUN: %clang -target x86_64-unknown %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-ABSENT +// RUN: %clang -target x86_64-scei-ps4 -fno-stack-size-section %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-ABSENT +// CHECK-ABSENT-NOT: -fstack-size-section + +// RUN: %clang -target x86_64-unknown -fstack-size-section -### 2>&1 | FileCheck %s --check-prefix=CHECK-PRESENT +// RUN: %clang -target x86_64-scei-ps4 %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-PRESENT +// CHECK-PRESENT: -fstack-size-section + +int foo() { return 42; } _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
