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-rw-r--r--clang/lib/Driver/ToolChains/Arch/AArch64.cpp21
-rw-r--r--clang/lib/Driver/ToolChains/Arch/AArch64.h2
-rw-r--r--clang/lib/Driver/ToolChains/Clang.cpp59
-rw-r--r--clang/lib/Driver/ToolChains/Fuchsia.cpp4
-rw-r--r--clang/lib/Driver/ToolChains/Linux.cpp96
-rw-r--r--clang/lib/Driver/ToolChains/Linux.h7
6 files changed, 109 insertions, 80 deletions
diff --git a/clang/lib/Driver/ToolChains/Arch/AArch64.cpp b/clang/lib/Driver/ToolChains/Arch/AArch64.cpp
index eb5d542..e8d5e38 100644
--- a/clang/lib/Driver/ToolChains/Arch/AArch64.cpp
+++ b/clang/lib/Driver/ToolChains/Arch/AArch64.cpp
@@ -466,27 +466,6 @@ void aarch64::getAArch64TargetFeatures(const Driver &D,
Features.push_back("+no-bti-at-return-twice");
}
-void aarch64::setPAuthABIInTriple(const Driver &D, const ArgList &Args,
- llvm::Triple &Triple) {
- Arg *ABIArg = Args.getLastArg(options::OPT_mabi_EQ);
- bool HasPAuthABI =
- ABIArg ? (StringRef(ABIArg->getValue()) == "pauthtest") : false;
-
- switch (Triple.getEnvironment()) {
- case llvm::Triple::UnknownEnvironment:
- if (HasPAuthABI)
- Triple.setEnvironment(llvm::Triple::PAuthTest);
- break;
- case llvm::Triple::PAuthTest:
- break;
- default:
- if (HasPAuthABI)
- D.Diag(diag::err_drv_unsupported_opt_for_target)
- << ABIArg->getAsString(Args) << Triple.getTriple();
- break;
- }
-}
-
/// Is the triple {aarch64.aarch64_be}-none-elf?
bool aarch64::isAArch64BareMetal(const llvm::Triple &Triple) {
if (Triple.getArch() != llvm::Triple::aarch64 &&
diff --git a/clang/lib/Driver/ToolChains/Arch/AArch64.h b/clang/lib/Driver/ToolChains/Arch/AArch64.h
index 2765ee8..97ebfa6 100644
--- a/clang/lib/Driver/ToolChains/Arch/AArch64.h
+++ b/clang/lib/Driver/ToolChains/Arch/AArch64.h
@@ -28,8 +28,6 @@ void getAArch64TargetFeatures(const Driver &D, const llvm::Triple &Triple,
std::string getAArch64TargetCPU(const llvm::opt::ArgList &Args,
const llvm::Triple &Triple, llvm::opt::Arg *&A);
-void setPAuthABIInTriple(const Driver &D, const llvm::opt::ArgList &Args,
- llvm::Triple &triple);
bool isAArch64BareMetal(const llvm::Triple &Triple);
} // end namespace aarch64
diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp
index caf7478..79edc56 100644
--- a/clang/lib/Driver/ToolChains/Clang.cpp
+++ b/clang/lib/Driver/ToolChains/Clang.cpp
@@ -1348,59 +1348,6 @@ void AddUnalignedAccessWarning(ArgStringList &CmdArgs) {
}
}
-// Each combination of options here forms a signing schema, and in most cases
-// each signing schema is its own incompatible ABI. The default values of the
-// options represent the default signing schema.
-static void handlePAuthABI(const ArgList &DriverArgs, ArgStringList &CC1Args) {
- if (!DriverArgs.hasArg(options::OPT_fptrauth_intrinsics,
- options::OPT_fno_ptrauth_intrinsics))
- CC1Args.push_back("-fptrauth-intrinsics");
-
- if (!DriverArgs.hasArg(options::OPT_fptrauth_calls,
- options::OPT_fno_ptrauth_calls))
- CC1Args.push_back("-fptrauth-calls");
-
- if (!DriverArgs.hasArg(options::OPT_fptrauth_returns,
- options::OPT_fno_ptrauth_returns))
- CC1Args.push_back("-fptrauth-returns");
-
- if (!DriverArgs.hasArg(options::OPT_fptrauth_auth_traps,
- options::OPT_fno_ptrauth_auth_traps))
- CC1Args.push_back("-fptrauth-auth-traps");
-
- if (!DriverArgs.hasArg(
- options::OPT_fptrauth_vtable_pointer_address_discrimination,
- options::OPT_fno_ptrauth_vtable_pointer_address_discrimination))
- CC1Args.push_back("-fptrauth-vtable-pointer-address-discrimination");
-
- if (!DriverArgs.hasArg(
- options::OPT_fptrauth_vtable_pointer_type_discrimination,
- options::OPT_fno_ptrauth_vtable_pointer_type_discrimination))
- CC1Args.push_back("-fptrauth-vtable-pointer-type-discrimination");
-
- if (!DriverArgs.hasArg(
- options::OPT_fptrauth_type_info_vtable_pointer_discrimination,
- options::OPT_fno_ptrauth_type_info_vtable_pointer_discrimination))
- CC1Args.push_back("-fptrauth-type-info-vtable-pointer-discrimination");
-
- if (!DriverArgs.hasArg(options::OPT_fptrauth_indirect_gotos,
- options::OPT_fno_ptrauth_indirect_gotos))
- CC1Args.push_back("-fptrauth-indirect-gotos");
-
- if (!DriverArgs.hasArg(options::OPT_fptrauth_init_fini,
- options::OPT_fno_ptrauth_init_fini))
- CC1Args.push_back("-fptrauth-init-fini");
-
- if (!DriverArgs.hasArg(
- options::OPT_fptrauth_init_fini_address_discrimination,
- options::OPT_fno_ptrauth_init_fini_address_discrimination))
- CC1Args.push_back("-fptrauth-init-fini-address-discrimination");
-
- if (!DriverArgs.hasArg(options::OPT_faarch64_jump_table_hardening,
- options::OPT_fno_aarch64_jump_table_hardening))
- CC1Args.push_back("-faarch64-jump-table-hardening");
-}
-
static void CollectARMPACBTIOptions(const ToolChain &TC, const ArgList &Args,
ArgStringList &CmdArgs, bool isAArch64) {
const llvm::Triple &Triple = TC.getEffectiveTriple();
@@ -1638,7 +1585,9 @@ void RenderAArch64ABI(const llvm::Triple &Triple, const ArgList &Args,
ABIName = A->getValue();
else if (Triple.isOSDarwin())
ABIName = "darwinpcs";
- else if (Triple.getEnvironment() == llvm::Triple::PAuthTest)
+ // TODO: we probably want to have some target hook here.
+ else if (Triple.isOSLinux() &&
+ Triple.getEnvironment() == llvm::Triple::PAuthTest)
ABIName = "pauthtest";
else
ABIName = "aapcs";
@@ -1758,8 +1707,6 @@ void Clang::AddAArch64TargetArgs(const ArgList &Args,
options::OPT_fno_ptrauth_objc_interface_sel);
Args.addOptInFlag(CmdArgs, options::OPT_fptrauth_objc_class_ro,
options::OPT_fno_ptrauth_objc_class_ro);
- if (Triple.getEnvironment() == llvm::Triple::PAuthTest)
- handlePAuthABI(Args, CmdArgs);
// Enable/disable return address signing and indirect branch targets.
CollectARMPACBTIOptions(getToolChain(), Args, CmdArgs, true /*isAArch64*/);
diff --git a/clang/lib/Driver/ToolChains/Fuchsia.cpp b/clang/lib/Driver/ToolChains/Fuchsia.cpp
index 146dc8b..31c2f3f 100644
--- a/clang/lib/Driver/ToolChains/Fuchsia.cpp
+++ b/clang/lib/Driver/ToolChains/Fuchsia.cpp
@@ -481,9 +481,11 @@ SanitizerMask Fuchsia::getSupportedSanitizers() const {
Res |= SanitizerKind::Fuzzer;
Res |= SanitizerKind::FuzzerNoLink;
Res |= SanitizerKind::Leak;
- Res |= SanitizerKind::SafeStack;
Res |= SanitizerKind::Scudo;
Res |= SanitizerKind::Thread;
+ if (getTriple().getArch() == llvm::Triple::x86_64) {
+ Res |= SanitizerKind::SafeStack;
+ }
return Res;
}
diff --git a/clang/lib/Driver/ToolChains/Linux.cpp b/clang/lib/Driver/ToolChains/Linux.cpp
index 8eb4d34e..94a9fe8 100644
--- a/clang/lib/Driver/ToolChains/Linux.cpp
+++ b/clang/lib/Driver/ToolChains/Linux.cpp
@@ -445,6 +445,102 @@ std::string Linux::computeSysRoot() const {
return std::string();
}
+static void setPAuthABIInTriple(const Driver &D, const ArgList &Args,
+ llvm::Triple &Triple) {
+ Arg *ABIArg = Args.getLastArg(options::OPT_mabi_EQ);
+ bool HasPAuthABI =
+ ABIArg ? (StringRef(ABIArg->getValue()) == "pauthtest") : false;
+
+ switch (Triple.getEnvironment()) {
+ case llvm::Triple::UnknownEnvironment:
+ if (HasPAuthABI)
+ Triple.setEnvironment(llvm::Triple::PAuthTest);
+ break;
+ case llvm::Triple::PAuthTest:
+ break;
+ default:
+ if (HasPAuthABI)
+ D.Diag(diag::err_drv_unsupported_opt_for_target)
+ << ABIArg->getAsString(Args) << Triple.getTriple();
+ break;
+ }
+}
+
+std::string Linux::ComputeEffectiveClangTriple(const llvm::opt::ArgList &Args,
+ types::ID InputType) const {
+ std::string TripleString =
+ Generic_ELF::ComputeEffectiveClangTriple(Args, InputType);
+ if (getTriple().isAArch64()) {
+ llvm::Triple Triple(TripleString);
+ setPAuthABIInTriple(getDriver(), Args, Triple);
+ return Triple.getTriple();
+ }
+ return TripleString;
+}
+
+// Each combination of options here forms a signing schema, and in most cases
+// each signing schema is its own incompatible ABI. The default values of the
+// options represent the default signing schema.
+static void handlePAuthABI(const Driver &D, const ArgList &DriverArgs,
+ ArgStringList &CC1Args) {
+ if (!DriverArgs.hasArg(options::OPT_fptrauth_intrinsics,
+ options::OPT_fno_ptrauth_intrinsics))
+ CC1Args.push_back("-fptrauth-intrinsics");
+
+ if (!DriverArgs.hasArg(options::OPT_fptrauth_calls,
+ options::OPT_fno_ptrauth_calls))
+ CC1Args.push_back("-fptrauth-calls");
+
+ if (!DriverArgs.hasArg(options::OPT_fptrauth_returns,
+ options::OPT_fno_ptrauth_returns))
+ CC1Args.push_back("-fptrauth-returns");
+
+ if (!DriverArgs.hasArg(options::OPT_fptrauth_auth_traps,
+ options::OPT_fno_ptrauth_auth_traps))
+ CC1Args.push_back("-fptrauth-auth-traps");
+
+ if (!DriverArgs.hasArg(
+ options::OPT_fptrauth_vtable_pointer_address_discrimination,
+ options::OPT_fno_ptrauth_vtable_pointer_address_discrimination))
+ CC1Args.push_back("-fptrauth-vtable-pointer-address-discrimination");
+
+ if (!DriverArgs.hasArg(
+ options::OPT_fptrauth_vtable_pointer_type_discrimination,
+ options::OPT_fno_ptrauth_vtable_pointer_type_discrimination))
+ CC1Args.push_back("-fptrauth-vtable-pointer-type-discrimination");
+
+ if (!DriverArgs.hasArg(
+ options::OPT_fptrauth_type_info_vtable_pointer_discrimination,
+ options::OPT_fno_ptrauth_type_info_vtable_pointer_discrimination))
+ CC1Args.push_back("-fptrauth-type-info-vtable-pointer-discrimination");
+
+ if (!DriverArgs.hasArg(options::OPT_fptrauth_indirect_gotos,
+ options::OPT_fno_ptrauth_indirect_gotos))
+ CC1Args.push_back("-fptrauth-indirect-gotos");
+
+ if (!DriverArgs.hasArg(options::OPT_fptrauth_init_fini,
+ options::OPT_fno_ptrauth_init_fini))
+ CC1Args.push_back("-fptrauth-init-fini");
+
+ if (!DriverArgs.hasArg(
+ options::OPT_fptrauth_init_fini_address_discrimination,
+ options::OPT_fno_ptrauth_init_fini_address_discrimination))
+ CC1Args.push_back("-fptrauth-init-fini-address-discrimination");
+
+ if (!DriverArgs.hasArg(options::OPT_faarch64_jump_table_hardening,
+ options::OPT_fno_aarch64_jump_table_hardening))
+ CC1Args.push_back("-faarch64-jump-table-hardening");
+}
+
+void Linux::addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
+ llvm::opt::ArgStringList &CC1Args,
+ Action::OffloadKind DeviceOffloadKind) const {
+ llvm::Triple Triple(ComputeEffectiveClangTriple(DriverArgs));
+ if (Triple.isAArch64() && Triple.getEnvironment() == llvm::Triple::PAuthTest)
+ handlePAuthABI(getDriver(), DriverArgs, CC1Args);
+ Generic_ELF::addClangTargetOptions(DriverArgs, CC1Args, DeviceOffloadKind);
+}
+
std::string Linux::getDynamicLinker(const ArgList &Args) const {
const llvm::Triple::ArchType Arch = getArch();
const llvm::Triple &Triple = getTriple();
diff --git a/clang/lib/Driver/ToolChains/Linux.h b/clang/lib/Driver/ToolChains/Linux.h
index 2eb2d05..97bad77 100644
--- a/clang/lib/Driver/ToolChains/Linux.h
+++ b/clang/lib/Driver/ToolChains/Linux.h
@@ -53,7 +53,14 @@ public:
SanitizerMask getSupportedSanitizers() const override;
void addProfileRTLibs(const llvm::opt::ArgList &Args,
llvm::opt::ArgStringList &CmdArgs) const override;
+ std::string ComputeEffectiveClangTriple(
+ const llvm::opt::ArgList &Args,
+ types::ID InputType = types::TY_INVALID) const override;
std::string computeSysRoot() const override;
+ void
+ addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
+ llvm::opt::ArgStringList &CC1Args,
+ Action::OffloadKind DeviceOffloadKind) const override;
std::string getDynamicLinker(const llvm::opt::ArgList &Args) const override;
generated by cgit v1.1 at 2025-10-25 23:47:40 +0000