CmdArgs.push_back("-fno-spell-checking");
}
+static void RenderDebugOptions(const ToolChain &TC, const Driver &D,
+ const llvm::Triple &T, const ArgList &Args,
+ bool EmitCodeView, bool IsWindowsMSVC,
+ ArgStringList &CmdArgs,
+ codegenoptions::DebugInfoKind &DebugInfoKind,
+ const Arg *&SplitDWARFArg) {
+ bool IsPS4CPU = T.isPS4CPU();
+
+ if (Args.hasFlag(options::OPT_fdebug_info_for_profiling,
+ options::OPT_fno_debug_info_for_profiling, false))
+ CmdArgs.push_back("-fdebug-info-for-profiling");
+
+ // The 'g' groups options involve a somewhat intricate sequence of decisions
+ // about what to pass from the driver to the frontend, but by the time they
+ // reach cc1 they've been factored into three well-defined orthogonal choices:
+ // * what level of debug info to generate
+ // * what dwarf version to write
+ // * what debugger tuning to use
+ // This avoids having to monkey around further in cc1 other than to disable
+ // codeview if not running in a Windows environment. Perhaps even that
+ // decision should be made in the driver as well though.
+ unsigned DWARFVersion = 0;
+ llvm::DebuggerKind DebuggerTuning = TC.getDefaultDebuggerTuning();
+
+ bool SplitDWARFInlining =
+ Args.hasFlag(options::OPT_fsplit_dwarf_inlining,
+ options::OPT_fno_split_dwarf_inlining, true);
+
+ Args.ClaimAllArgs(options::OPT_g_Group);
+
+ SplitDWARFArg = Args.getLastArg(options::OPT_gsplit_dwarf);
+
+ if (const Arg *A = Args.getLastArg(options::OPT_g_Group)) {
+ // If the last option explicitly specified a debug-info level, use it.
+ if (A->getOption().matches(options::OPT_gN_Group)) {
+ DebugInfoKind = DebugLevelToInfoKind(*A);
+ // If you say "-gsplit-dwarf -gline-tables-only", -gsplit-dwarf loses.
+ // But -gsplit-dwarf is not a g_group option, hence we have to check the
+ // order explicitly. If -gsplit-dwarf wins, we fix DebugInfoKind later.
+ // This gets a bit more complicated if you've disabled inline info in the
+ // skeleton CUs (SplitDWARFInlining) - then there's value in composing
+ // split-dwarf and line-tables-only, so let those compose naturally in
+ // that case.
+ // And if you just turned off debug info, (-gsplit-dwarf -g0) - do that.
+ if (SplitDWARFArg) {
+ if (A->getIndex() > SplitDWARFArg->getIndex()) {
+ if (DebugInfoKind == codegenoptions::NoDebugInfo ||
+ (DebugInfoKind == codegenoptions::DebugLineTablesOnly &&
+ SplitDWARFInlining))
+ SplitDWARFArg = nullptr;
+ } else if (SplitDWARFInlining)
+ DebugInfoKind = codegenoptions::NoDebugInfo;
+ }
+ } else {
+ // For any other 'g' option, use Limited.
+ DebugInfoKind = codegenoptions::LimitedDebugInfo;
+ }
+ }
+
+ // If a debugger tuning argument appeared, remember it.
+ if (const Arg *A =
+ Args.getLastArg(options::OPT_gTune_Group, options::OPT_ggdbN_Group)) {
+ if (A->getOption().matches(options::OPT_glldb))
+ DebuggerTuning = llvm::DebuggerKind::LLDB;
+ else if (A->getOption().matches(options::OPT_gsce))
+ DebuggerTuning = llvm::DebuggerKind::SCE;
+ else
+ DebuggerTuning = llvm::DebuggerKind::GDB;
+ }
+
+ // If a -gdwarf argument appeared, remember it.
+ if (const Arg *A =
+ Args.getLastArg(options::OPT_gdwarf_2, options::OPT_gdwarf_3,
+ options::OPT_gdwarf_4, options::OPT_gdwarf_5))
+ DWARFVersion = DwarfVersionNum(A->getSpelling());
+
+ // Forward -gcodeview. EmitCodeView might have been set by CL-compatibility
+ // argument parsing.
+ if (Args.hasArg(options::OPT_gcodeview) || EmitCodeView) {
+ // DWARFVersion remains at 0 if no explicit choice was made.
+ CmdArgs.push_back("-gcodeview");
+ } else if (DWARFVersion == 0 &&
+ DebugInfoKind != codegenoptions::NoDebugInfo) {
+ DWARFVersion = TC.GetDefaultDwarfVersion();
+ }
+
+ // We ignore flag -gstrict-dwarf for now.
+ // And we handle flag -grecord-gcc-switches later with DWARFDebugFlags.
+ Args.ClaimAllArgs(options::OPT_g_flags_Group);
+
+ // Column info is included by default for everything except PS4 and CodeView.
+ // Clang doesn't track end columns, just starting columns, which, in theory,
+ // is fine for CodeView (and PDB). In practice, however, the Microsoft
+ // debuggers don't handle missing end columns well, so it's better not to
+ // include any column info.
+ if (Args.hasFlag(options::OPT_gcolumn_info, options::OPT_gno_column_info,
+ /*Default=*/ !IsPS4CPU && !(IsWindowsMSVC && EmitCodeView)))
+ CmdArgs.push_back("-dwarf-column-info");
+
+ // FIXME: Move backend command line options to the module.
+ // If -gline-tables-only is the last option it wins.
+ if (DebugInfoKind != codegenoptions::DebugLineTablesOnly &&
+ Args.hasArg(options::OPT_gmodules)) {
+ DebugInfoKind = codegenoptions::LimitedDebugInfo;
+ CmdArgs.push_back("-dwarf-ext-refs");
+ CmdArgs.push_back("-fmodule-format=obj");
+ }
+
+ // -gsplit-dwarf should turn on -g and enable the backend dwarf
+ // splitting and extraction.
+ // FIXME: Currently only works on Linux.
+ if (T.isOSLinux()) {
+ if (!SplitDWARFInlining)
+ CmdArgs.push_back("-fno-split-dwarf-inlining");
+
+ if (SplitDWARFArg) {
+ if (DebugInfoKind == codegenoptions::NoDebugInfo)
+ DebugInfoKind = codegenoptions::LimitedDebugInfo;
+ CmdArgs.push_back("-enable-split-dwarf");
+ }
+ }
+
+ // 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.
+ // We parse these two '-f' options whether or not they will be used,
+ // to claim them even if you wrote "-fstandalone-debug -gline-tables-only"
+ bool NeedFullDebug = Args.hasFlag(options::OPT_fstandalone_debug,
+ options::OPT_fno_standalone_debug,
+ TC.GetDefaultStandaloneDebug());
+ if (DebugInfoKind == codegenoptions::LimitedDebugInfo && NeedFullDebug)
+ DebugInfoKind = codegenoptions::FullDebugInfo;
+
+ RenderDebugEnablingArgs(Args, CmdArgs, DebugInfoKind, DWARFVersion,
+ DebuggerTuning);
+
+ // -fdebug-macro turns on macro debug info generation.
+ if (Args.hasFlag(options::OPT_fdebug_macro, options::OPT_fno_debug_macro,
+ false))
+ CmdArgs.push_back("-debug-info-macro");
+
+ // -ggnu-pubnames turns on gnu style pubnames in the backend.
+ if (Args.hasArg(options::OPT_ggnu_pubnames)) {
+ CmdArgs.push_back("-backend-option");
+ CmdArgs.push_back("-generate-gnu-dwarf-pub-sections");
+ }
+
+ // -gdwarf-aranges turns on the emission of the aranges section in the
+ // backend.
+ // Always enabled on the PS4.
+ if (Args.hasArg(options::OPT_gdwarf_aranges) || IsPS4CPU) {
+ CmdArgs.push_back("-backend-option");
+ CmdArgs.push_back("-generate-arange-section");
+ }
+
+ if (Args.hasFlag(options::OPT_fdebug_types_section,
+ options::OPT_fno_debug_types_section, false)) {
+ CmdArgs.push_back("-backend-option");
+ CmdArgs.push_back("-generate-type-units");
+ }
+
+ RenderDebugInfoCompressionArgs(Args, CmdArgs, D);
+}
+
void Clang::ConstructJob(Compilation &C, const JobAction &JA,
const InputInfo &Output, const InputInfoList &Inputs,
const ArgList &Args, const char *LinkingOutput) const {
bool IsWindowsGNU = RawTriple.isWindowsGNUEnvironment();
bool IsWindowsCygnus = RawTriple.isWindowsCygwinEnvironment();
bool IsWindowsMSVC = RawTriple.isWindowsMSVCEnvironment();
- bool IsPS4CPU = RawTriple.isPS4CPU();
bool IsIAMCU = RawTriple.isOSIAMCU();
// Adjust IsWindowsXYZ for CUDA compilations. Even when compiling in device
break;
}
- // The 'g' groups options involve a somewhat intricate sequence of decisions
- // about what to pass from the driver to the frontend, but by the time they
- // reach cc1 they've been factored into three well-defined orthogonal choices:
- // * what level of debug info to generate
- // * what dwarf version to write
- // * what debugger tuning to use
- // This avoids having to monkey around further in cc1 other than to disable
- // codeview if not running in a Windows environment. Perhaps even that
- // decision should be made in the driver as well though.
- unsigned DwarfVersion = 0;
- llvm::DebuggerKind DebuggerTuning = getToolChain().getDefaultDebuggerTuning();
// These two are potentially updated by AddClangCLArgs.
codegenoptions::DebugInfoKind DebugInfoKind = codegenoptions::NoDebugInfo;
bool EmitCodeView = false;
if (D.IsCLMode())
AddClangCLArgs(Args, InputType, CmdArgs, &DebugInfoKind, &EmitCodeView);
+ const Arg *SplitDWARFArg = nullptr;
+ RenderDebugOptions(getToolChain(), D, RawTriple, Args, EmitCodeView,
+ IsWindowsMSVC, CmdArgs, DebugInfoKind, SplitDWARFArg);
+
+ // Add the split debug info name to the command lines here so we
+ // can propagate it to the backend.
+ bool SplitDWARF = SplitDWARFArg && RawTriple.isOSLinux() &&
+ (isa<AssembleJobAction>(JA) || isa<CompileJobAction>(JA) ||
+ isa<BackendJobAction>(JA));
+ const char *SplitDWARFOut;
+ if (SplitDWARF) {
+ CmdArgs.push_back("-split-dwarf-file");
+ SplitDWARFOut = SplitDebugName(Args, Input);
+ CmdArgs.push_back(SplitDWARFOut);
+ }
+
// Pass the linker version in use.
if (Arg *A = Args.getLastArg(options::OPT_mlinker_version_EQ)) {
CmdArgs.push_back("-target-linker-version");
: "-");
}
- bool splitDwarfInlining =
- Args.hasFlag(options::OPT_fsplit_dwarf_inlining,
- options::OPT_fno_split_dwarf_inlining, true);
-
- Args.ClaimAllArgs(options::OPT_g_Group);
- Arg *SplitDwarfArg = Args.getLastArg(options::OPT_gsplit_dwarf);
- if (Arg *A = Args.getLastArg(options::OPT_g_Group)) {
- // If the last option explicitly specified a debug-info level, use it.
- if (A->getOption().matches(options::OPT_gN_Group)) {
- DebugInfoKind = DebugLevelToInfoKind(*A);
- // If you say "-gsplit-dwarf -gline-tables-only", -gsplit-dwarf loses.
- // But -gsplit-dwarf is not a g_group option, hence we have to check the
- // order explicitly. (If -gsplit-dwarf wins, we fix DebugInfoKind later.)
- // This gets a bit more complicated if you've disabled inline info in the
- // skeleton CUs (splitDwarfInlining) - then there's value in composing
- // split-dwarf and line-tables-only, so let those compose naturally in
- // that case.
- // And if you just turned off debug info, (-gsplit-dwarf -g0) - do that.
- if (SplitDwarfArg) {
- if (A->getIndex() > SplitDwarfArg->getIndex()) {
- if (DebugInfoKind == codegenoptions::NoDebugInfo ||
- (DebugInfoKind == codegenoptions::DebugLineTablesOnly &&
- splitDwarfInlining))
- SplitDwarfArg = nullptr;
- } else if (splitDwarfInlining)
- DebugInfoKind = codegenoptions::NoDebugInfo;
- }
- } else
- // For any other 'g' option, use Limited.
- DebugInfoKind = codegenoptions::LimitedDebugInfo;
- }
-
- // If a debugger tuning argument appeared, remember it.
- if (Arg *A = Args.getLastArg(options::OPT_gTune_Group,
- options::OPT_ggdbN_Group)) {
- if (A->getOption().matches(options::OPT_glldb))
- DebuggerTuning = llvm::DebuggerKind::LLDB;
- else if (A->getOption().matches(options::OPT_gsce))
- DebuggerTuning = llvm::DebuggerKind::SCE;
- else
- DebuggerTuning = llvm::DebuggerKind::GDB;
- }
-
- // If a -gdwarf argument appeared, remember it.
- if (Arg *A = Args.getLastArg(options::OPT_gdwarf_2, options::OPT_gdwarf_3,
- options::OPT_gdwarf_4, options::OPT_gdwarf_5))
- DwarfVersion = DwarfVersionNum(A->getSpelling());
-
- // Forward -gcodeview. EmitCodeView might have been set by CL-compatibility
- // argument parsing.
- if (Args.hasArg(options::OPT_gcodeview) || EmitCodeView) {
- // DwarfVersion remains at 0 if no explicit choice was made.
- CmdArgs.push_back("-gcodeview");
- } else if (DwarfVersion == 0 &&
- DebugInfoKind != codegenoptions::NoDebugInfo) {
- DwarfVersion = getToolChain().GetDefaultDwarfVersion();
- }
-
- // We ignore flag -gstrict-dwarf for now.
- // And we handle flag -grecord-gcc-switches later with DwarfDebugFlags.
- Args.ClaimAllArgs(options::OPT_g_flags_Group);
-
- // Column info is included by default for everything except PS4 and CodeView.
- // Clang doesn't track end columns, just starting columns, which, in theory,
- // is fine for CodeView (and PDB). In practice, however, the Microsoft
- // debuggers don't handle missing end columns well, so it's better not to
- // include any column info.
- if (Args.hasFlag(options::OPT_gcolumn_info, options::OPT_gno_column_info,
- /*Default=*/ !IsPS4CPU && !(IsWindowsMSVC && EmitCodeView)))
- CmdArgs.push_back("-dwarf-column-info");
-
- // FIXME: Move backend command line options to the module.
- // If -gline-tables-only is the last option it wins.
- if (DebugInfoKind != codegenoptions::DebugLineTablesOnly &&
- Args.hasArg(options::OPT_gmodules)) {
- DebugInfoKind = codegenoptions::LimitedDebugInfo;
- CmdArgs.push_back("-dwarf-ext-refs");
- CmdArgs.push_back("-fmodule-format=obj");
- }
-
- // -gsplit-dwarf should turn on -g and enable the backend dwarf
- // splitting and extraction.
- // FIXME: Currently only works on Linux.
- if (RawTriple.isOSLinux()) {
- if (!splitDwarfInlining)
- CmdArgs.push_back("-fno-split-dwarf-inlining");
- if (SplitDwarfArg) {
- if (DebugInfoKind == codegenoptions::NoDebugInfo)
- DebugInfoKind = codegenoptions::LimitedDebugInfo;
- CmdArgs.push_back("-enable-split-dwarf");
- }
- }
-
- // 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.
- // We parse these two '-f' options whether or not they will be used,
- // to claim them even if you wrote "-fstandalone-debug -gline-tables-only"
- bool NeedFullDebug = Args.hasFlag(options::OPT_fstandalone_debug,
- options::OPT_fno_standalone_debug,
- getToolChain().GetDefaultStandaloneDebug());
- if (DebugInfoKind == codegenoptions::LimitedDebugInfo && NeedFullDebug)
- DebugInfoKind = codegenoptions::FullDebugInfo;
- RenderDebugEnablingArgs(Args, CmdArgs, DebugInfoKind, DwarfVersion,
- DebuggerTuning);
-
- // -fdebug-macro turns on macro debug info generation.
- if (Args.hasFlag(options::OPT_fdebug_macro, options::OPT_fno_debug_macro,
- false))
- CmdArgs.push_back("-debug-info-macro");
-
- // -ggnu-pubnames turns on gnu style pubnames in the backend.
- if (Args.hasArg(options::OPT_ggnu_pubnames)) {
- CmdArgs.push_back("-backend-option");
- CmdArgs.push_back("-generate-gnu-dwarf-pub-sections");
- }
-
- // -gdwarf-aranges turns on the emission of the aranges section in the
- // backend.
- // Always enabled on the PS4.
- if (Args.hasArg(options::OPT_gdwarf_aranges) || IsPS4CPU) {
- CmdArgs.push_back("-backend-option");
- CmdArgs.push_back("-generate-arange-section");
- }
-
- if (Args.hasFlag(options::OPT_fdebug_types_section,
- options::OPT_fno_debug_types_section, false)) {
- CmdArgs.push_back("-backend-option");
- CmdArgs.push_back("-generate-type-units");
- }
-
- RenderDebugInfoCompressionArgs(Args, CmdArgs, D);
-
bool UseSeparateSections = isUseSeparateSections(Triple);
if (Args.hasFlag(options::OPT_ffunction_sections,
A->render(Args, CmdArgs);
}
- if (Args.hasFlag(options::OPT_fdebug_info_for_profiling,
- options::OPT_fno_debug_info_for_profiling, false))
- CmdArgs.push_back("-fdebug-info-for-profiling");
-
RenderBuiltinOptions(getToolChain(), RawTriple, Args, CmdArgs);
if (!Args.hasFlag(options::OPT_fassume_sane_operator_new,
CmdArgs.push_back(Args.MakeArgString(Flags));
}
- // Add the split debug info name to the command lines here so we
- // can propagate it to the backend.
- bool SplitDwarf = SplitDwarfArg && RawTriple.isOSLinux() &&
- (isa<AssembleJobAction>(JA) || isa<CompileJobAction>(JA) ||
- isa<BackendJobAction>(JA));
- const char *SplitDwarfOut;
- if (SplitDwarf) {
- CmdArgs.push_back("-split-dwarf-file");
- SplitDwarfOut = SplitDebugName(Args, Input);
- CmdArgs.push_back(SplitDwarfOut);
- }
-
// Host-side cuda compilation receives device-side outputs as Inputs[1...].
// Include them with -fcuda-include-gpubinary.
if (IsCuda && Inputs.size() > 1)
// Handle the debug info splitting at object creation time if we're
// creating an object.
// TODO: Currently only works on linux with newer objcopy.
- if (SplitDwarf && Output.getType() == types::TY_Object)
- SplitDebugInfo(getToolChain(), C, *this, JA, Args, Output, SplitDwarfOut);
+ if (SplitDWARF && Output.getType() == types::TY_Object)
+ SplitDebugInfo(getToolChain(), C, *this, JA, Args, Output, SplitDWARFOut);
if (Arg *A = Args.getLastArg(options::OPT_pg))
if (Args.hasArg(options::OPT_fomit_frame_pointer))