1 files changed, 54 insertions, 0 deletions
diff --git a/system/clang/clang-0007-Enable-stack-protector-by-default-for-alpine-linux.patch b/system/clang/clang-0007-Enable-stack-protector-by-default-for-alpine-linux.patch
new file mode 100644
index 000000000..3487799b1
--- /dev/null
+++ b/system/clang/clang-0007-Enable-stack-protector-by-default-for-alpine-linux.patch
@@ -0,0 +1,54 @@
+From: Natanael Copa <ncopa@alpinelinux.org>
+From: Jakub Jirutka <jakub@jirutka.cz>
+Date: Sun, 16 Apr 2017 16:49:00 +0100
+Subject: [PATCH] Enable stack protector by default for Alpine Linux
+
+--- a/lib/Driver/ToolChains.cpp
++++ b/lib/Driver/ToolChains.cpp
+@@ -4866,6 +4866,13 @@
+   CmdArgs.push_back("-lunwind");
+ }
+ 
++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,
+--- a/lib/Driver/ToolChains.h
++++ b/lib/Driver/ToolChains.h
+@@ -880,6 +880,7 @@
+   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/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"