diff --git i/lib/Driver/ToolChains.cpp w/lib/Driver/ToolChains.cpp index e3ff0d7..68ed764 100644 --- i/lib/Driver/ToolChains.cpp +++ w/lib/Driver/ToolChains.cpp @@ -3408,6 +3408,13 @@ bool Linux::isPIEDefault() const { return getSanitizerArgs().requiresPIE(); } +unsigned Linux::GetDefaultStackProtectorLevel(bool KernelOrKext) const { + StringRef VendorName = Linux::getTriple().getVendorName(); + if (VendorName.compare("alpine") == 0) + return 2; + return 1; +} + /// DragonFly - DragonFly tool chain which can call as(1) and ld(1) directly. DragonFly::DragonFly(const Driver &D, const llvm::Triple& Triple, const ArgList &Args) diff --git i/lib/Driver/ToolChains.h w/lib/Driver/ToolChains.h index 47fb10d..3714a6f 100644 --- i/lib/Driver/ToolChains.h +++ w/lib/Driver/ToolChains.h @@ -641,6 +641,7 @@ public: AddClangCXXStdlibIncludeArgs(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args) const override; bool isPIEDefault() const override; + unsigned GetDefaultStackProtectorLevel(bool KernelOrKext) const override; std::string Linker; std::vector ExtraOpts; diff --git i/test/Driver/stack-protector.c w/test/Driver/stack-protector.c index 7fecd1b..f29cee0 100644 --- i/test/Driver/stack-protector.c +++ w/test/Driver/stack-protector.c @@ -23,3 +23,18 @@ // RUN: %clang -fstack-protector-all -### %s 2>&1 | FileCheck %s -check-prefix=SSP-ALL // 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" +