Author: Paul Kirth Date: 2024-12-12T09:47:10-08:00 New Revision: 357d00d7c7c81768047e9e9668c6f507c6c24cb3
URL: https://github.com/llvm/llvm-project/commit/357d00d7c7c81768047e9e9668c6f507c6c24cb3 DIFF: https://github.com/llvm/llvm-project/commit/357d00d7c7c81768047e9e9668c6f507c6c24cb3.diff LOG: [clang][Driver] Allow `-fstack-clash-protection` for Fuchsia targets (#119633) Fuchsia uses guard pages for the stack, similar to Linux and other targets, which are required for stack-clash-protection. This patch adds Fuchsia to the list of allowed targets. Added: Modified: clang/lib/Driver/ToolChains/Clang.cpp clang/test/Driver/stack-clash-protection.c Removed: ################################################################################ diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp index d3206c3e8e25ed..a020e00cd17392 100644 --- a/clang/lib/Driver/ToolChains/Clang.cpp +++ b/clang/lib/Driver/ToolChains/Clang.cpp @@ -3773,7 +3773,8 @@ static void RenderSCPOptions(const ToolChain &TC, const ArgList &Args, ArgStringList &CmdArgs) { const llvm::Triple &EffectiveTriple = TC.getEffectiveTriple(); - if (!EffectiveTriple.isOSFreeBSD() && !EffectiveTriple.isOSLinux()) + if (!EffectiveTriple.isOSFreeBSD() && !EffectiveTriple.isOSLinux() && + !EffectiveTriple.isOSFuchsia()) return; if (!EffectiveTriple.isX86() && !EffectiveTriple.isSystemZ() && diff --git a/clang/test/Driver/stack-clash-protection.c b/clang/test/Driver/stack-clash-protection.c index 222452f7897a6f..3b0476db9d3cb1 100644 --- a/clang/test/Driver/stack-clash-protection.c +++ b/clang/test/Driver/stack-clash-protection.c @@ -22,6 +22,11 @@ // SCP-ll-win64-NOT: attributes {{.*}} "probe-stack"="inline-asm" // SCP-ll-win64: argument unused during compilation: '-fstack-clash-protection' +// RUN: %clang -target x86_64-unknown-fuchsia -fstack-clash-protection -### %s 2>&1 | FileCheck %s -check-prefix=SCP-FUCHSIA +// RUN: %clang -target aarch64-unknown-fuchsia -fstack-clash-protection -### %s 2>&1 | FileCheck %s -check-prefix=SCP-FUCHSIA +// RUN: %clang -target riscv64-unknown-fuchsia -fstack-clash-protection -### %s 2>&1 | FileCheck %s -check-prefix=SCP-FUCHSIA +// SCP-FUCHSIA: "-fstack-clash-protection" + int foo(int c) { int r; __asm__("sub %0, %%rsp" _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
