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Based on original patchset from Jakub Jirutka <jakub@jirutka.cz>
Updated by Eric Molitor <eric@molitor.org>
--- a/lib/Driver/ToolChains/Linux.cpp
+++ b/lib/Driver/ToolChains/Linux.cpp
@@ -907,6 +907,13 @@
getTriple().isMusl() || getSanitizerArgs().requiresPIE();
}
+unsigned Linux::GetDefaultStackProtectorLevel(bool KernelOrKext) const {
+ StringRef VendorName = Linux::getTriple().getVendorName();
+ if (VendorName.compare("alpine") == 0)
+ return 2;
+ return 1;
+}
+
SanitizerMask Linux::getSupportedSanitizers() const {
const bool IsX86 = getTriple().getArch() == llvm::Triple::x86;
const bool IsX86_64 = getTriple().getArch() == llvm::Triple::x86_64;
--- a/lib/Driver/ToolChains/Linux.h
+++ b/lib/Driver/ToolChains/Linux.h
@@ -38,6 +38,7 @@
void AddIAMCUIncludeArgs(const llvm::opt::ArgList &DriverArgs,
llvm::opt::ArgStringList &CC1Args) const override;
bool isPIEDefault() const override;
+ unsigned GetDefaultStackProtectorLevel(bool KernelOrKext) const override;
SanitizerMask getSupportedSanitizers() const override;
void addProfileRTLibs(const llvm::opt::ArgList &Args,
llvm::opt::ArgStringList &CmdArgs) const override;
--- a/test/Driver/fsanitize.c
+++ b/test/Driver/fsanitize.c
@@ -585,12 +585,12 @@
// RUN: %clang -fno-sanitize=safe-stack -### %s 2>&1 | FileCheck %s -check-prefix=NOSP
// NOSP-NOT: "-fsanitize=safe-stack"
-// RUN: %clang -target x86_64-linux-gnu -fsanitize=safe-stack -### %s 2>&1 | FileCheck %s -check-prefix=NO-SP
+// RUN: %clang -target x86_64-linux-gnu -fsanitize=safe-stack -### %s 2>&1 | FileCheck %s -check-prefix=SP
// RUN: %clang -target x86_64-linux-gnu -fsanitize=address,safe-stack -### %s 2>&1 | FileCheck %s -check-prefix=SP-ASAN
// RUN: %clang -target x86_64-linux-gnu -fstack-protector -fsanitize=safe-stack -### %s 2>&1 | FileCheck %s -check-prefix=SP
// RUN: %clang -target x86_64-linux-gnu -fsanitize=safe-stack -fstack-protector-all -### %s 2>&1 | FileCheck %s -check-prefix=SP
-// RUN: %clang -target arm-linux-androideabi -fsanitize=safe-stack -### %s 2>&1 | FileCheck %s -check-prefix=NO-SP
-// RUN: %clang -target aarch64-linux-android -fsanitize=safe-stack -### %s 2>&1 | FileCheck %s -check-prefix=NO-SP
+// RUN: %clang -target arm-linux-androideabi -fsanitize=safe-stack -### %s 2>&1 | FileCheck %s -check-prefix=SP
+// RUN: %clang -target aarch64-linux-android -fsanitize=safe-stack -### %s 2>&1 | FileCheck %s -check-prefix=SP
// RUN: %clang -target i386-contiki-unknown -fsanitize=safe-stack -### %s 2>&1 | FileCheck %s -check-prefix=NO-SP
// NO-SP-NOT: stack-protector
// NO-SP: "-fsanitize=safe-stack"
--- a/test/Driver/stack-protector.c
+++ b/test/Driver/stack-protector.c
@@ -24,6 +24,20 @@
// SSP-ALL: "-stack-protector" "3"
// SSP-ALL-NOT: "-stack-protector-buffer-size"
+// RUN: %clang -target x86_64-alpine-linux-musl -### %s 2>&1 | FileCheck %s -check-prefix=ALPINE
+// ALPINE: "-stack-protector" "2"
+
+// RUN: %clang -target x86_64-alpine-linux-musl -fstack-protector -### %s 2>&1 | FileCheck %s -check-prefix=ALPINE_SPS
+// ALPINE_SPS: "-stack-protector" "2"
+
+// RUN: %clang -target x86_64-alpine-linux-musl -fstack-protector-all -### %s 2>&1 | FileCheck %s -check-prefix=ALPINE_ALL
+// ALPINE_ALL: "-stack-protector" "3"
+// ALPINE_ALL-NOT: "-stack-protector-buffer-size"
+
+// RUN: %clang -target x86_64-alpine-linux-musl -fno-stack-protector -### %s 2>&1 | FileCheck %s -check-prefix=ALPINE_NOSSP
+// ALPINE_NOSSP-NOT: "-stack-protector"
+// ALPINE_NOSSP-NOT: "-stack-protector-buffer-size"
+
// RUN: %clang -target x86_64-scei-ps4 -### %s 2>&1 | FileCheck %s -check-prefix=SSP-PS4
// RUN: %clang -target x86_64-scei-ps4 -fstack-protector -### %s 2>&1 | FileCheck %s -check-prefix=SSP-PS4
// SSP-PS4: "-stack-protector" "2"
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