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-rw-r--r--extra/clang/patches/10-add-musl-triples.patch35
-rw-r--r--extra/clang/patches/30-Enable-stack-protector-by-default-for-Alpine-Linux.patch81
2 files changed, 116 insertions, 0 deletions
diff --git a/extra/clang/patches/10-add-musl-triples.patch b/extra/clang/patches/10-add-musl-triples.patch
new file mode 100644
index 0000000..b11ca84
--- /dev/null
+++ b/extra/clang/patches/10-add-musl-triples.patch
@@ -0,0 +1,35 @@
+--- a/lib/Driver/ToolChains/Gnu.cpp
++++ b/lib/Driver/ToolChains/Gnu.cpp
+@@ -2077,6 +2077,7 @@
+ static const char *const AArch64LibDirs[] = {"/lib64", "/lib"};
+ static const char *const AArch64Triples[] = {
+ "aarch64-none-linux-gnu", "aarch64-linux-gnu", "aarch64-redhat-linux",
++ "aarch64-linux-musl",
+ "aarch64-suse-linux", "aarch64-linux-android"};
+ static const char *const AArch64beLibDirs[] = {"/lib"};
+ static const char *const AArch64beTriples[] = {"aarch64_be-none-linux-gnu",
+@@ -2086,6 +2087,8 @@
+ static const char *const ARMTriples[] = {"arm-linux-gnueabi",
+ "arm-linux-androideabi"};
+ static const char *const ARMHFTriples[] = {"arm-linux-gnueabihf",
++ "arm-linux-musleabihf",
++ "armv7l-linux-musleabihf",
+ "armv7hl-redhat-linux-gnueabi",
+ "armv6hl-suse-linux-gnueabi",
+ "armv7hl-suse-linux-gnueabi"};
+@@ -2105,6 +2108,7 @@
+ "x86_64-redhat-linux", "x86_64-suse-linux",
+ "x86_64-manbo-linux-gnu", "x86_64-linux-gnu",
+ "x86_64-slackware-linux", "x86_64-unknown-linux",
++ "x86_64-linux-musl",
+ "x86_64-amazon-linux", "x86_64-linux-android"};
+ static const char *const X32Triples[] = {"x86_64-linux-gnux32",
+ "x86_64-pc-linux-gnux32"};
+@@ -2116,6 +2120,7 @@
+ "i686-redhat-linux", "i386-redhat-linux",
+ "i586-suse-linux", "i686-montavista-linux",
+ "i686-linux-android", "i686-gnu",
++ "i686-linux-musl",
+ };
+
+ static const char *const M68kLibDirs[] = {"/lib"};
diff --git a/extra/clang/patches/30-Enable-stack-protector-by-default-for-Alpine-Linux.patch b/extra/clang/patches/30-Enable-stack-protector-by-default-for-Alpine-Linux.patch
new file mode 100644
index 0000000..f2895ce
--- /dev/null
+++ b/extra/clang/patches/30-Enable-stack-protector-by-default-for-Alpine-Linux.patch
@@ -0,0 +1,81 @@
+Based on original patchset from Jakub Jirutka <jakub@jirutka.cz>
+Updated by Eric Molitor <eric@molitor.org>
+Updated by Natanael Copa <ncopa@alpinelinux.org>
+Updated by omni <omni+alpine@hack.org>
+
+--- a/lib/Driver/ToolChains/Linux.h
++++ b/lib/Driver/ToolChains/Linux.h
+@@ -11,6 +11,7 @@
+
+ #include "Gnu.h"
+ #include "clang/Driver/ToolChain.h"
++#include "clang/Basic/LangOptions.h"
+
+ namespace clang {
+ namespace driver {
+@@ -38,6 +39,18 @@
+ CXXStdlibType GetDefaultCXXStdlibType() const override;
+ bool isPIEDefault() const override;
+ bool isNoExecStackDefault() const override;
++
++ LangOptions::StackProtectorMode
++ GetDefaultStackProtectorLevel(bool KernelOrKext) const override {
++ StringRef VendorName = Linux::getTriple().getVendorName();
++ if (VendorName.compare("alpine") == 0)
++ return LangOptions::SSPStrong;
++
++ return LangOptions::SSPOff;
++ }
++
++
++
+ bool IsMathErrnoDefault() const override;
+ SanitizerMask getSupportedSanitizers() const override;
+ void addProfileRTLibs(const llvm::opt::ArgList &Args,
+--- a/test/Driver/fsanitize.c
++++ b/test/Driver/fsanitize.c
+@@ -667,18 +667,17 @@
+ // 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"
+ // SP-ASAN: error: invalid argument '-fsanitize=safe-stack' not allowed with '-fsanitize=address'
+ // SP: "-fsanitize=safe-stack"
+-// SP: -stack-protector
+ // NO-SP-NOT: stack-protector
+
+ // RUN: %clang -target powerpc64-unknown-linux-gnu -fsanitize=memory %s -### 2>&1 | FileCheck %s -check-prefix=CHECK-SANM
+--- a/test/Driver/stack-protector.c
++++ b/test/Driver/stack-protector.c
+@@ -35,6 +35,20 @@
+
+ // Test default stack protector values for Darwin platforms
+
++// 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 armv7k-apple-watchos2.0 -### %s 2>&1 | FileCheck %s -check-prefix=SSP_WATCHOS
+ // RUN: %clang -ffreestanding -target armv7k-apple-watchos2.0 -### %s 2>&1 | FileCheck %s -check-prefix=SSP_WATCHOS
+ // SSP_WATCHOS: "-stack-protector" "1"
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-25 17:04:48 +0000