Author: Petr Hosek Date: 2022-05-06T13:27:10-07:00 New Revision: 7f0e741db97c64b4a566d65b878c2e0fe4dabb38
URL: https://github.com/llvm/llvm-project/commit/7f0e741db97c64b4a566d65b878c2e0fe4dabb38 DIFF: https://github.com/llvm/llvm-project/commit/7f0e741db97c64b4a566d65b878c2e0fe4dabb38.diff LOG: [Driver] Pass --fix-cortex-a53-843419 automatically on Fuchsia When targeting cortex-a53, set this linker flag rather than relying on the toolchain users to do it in their build. Differential Revision: https://reviews.llvm.org/D114023 Added: Modified: clang/lib/Driver/ToolChains/Fuchsia.cpp clang/test/Driver/fuchsia.c Removed: ################################################################################ diff --git a/clang/lib/Driver/ToolChains/Fuchsia.cpp b/clang/lib/Driver/ToolChains/Fuchsia.cpp index 6fe6f7f82feb..e81c40c74fdb 100644 --- a/clang/lib/Driver/ToolChains/Fuchsia.cpp +++ b/clang/lib/Driver/ToolChains/Fuchsia.cpp @@ -37,6 +37,8 @@ void fuchsia::Linker::ConstructJob(Compilation &C, const JobAction &JA, static_cast<const toolchains::Fuchsia &>(getToolChain()); const Driver &D = ToolChain.getDriver(); + const llvm::Triple &Triple = ToolChain.getEffectiveTriple(); + ArgStringList CmdArgs; // Silence warning for "clang -g foo.o -o foo" @@ -84,6 +86,12 @@ void fuchsia::Linker::ConstructJob(Compilation &C, const JobAction &JA, CmdArgs.push_back("--hash-style=gnu"); } + if (ToolChain.getArch() == llvm::Triple::aarch64) { + std::string CPU = getCPUName(D, Args, Triple); + if (CPU.empty() || CPU == "generic" || CPU == "cortex-a53") + CmdArgs.push_back("--fix-cortex-a53-843419"); + } + CmdArgs.push_back("--eh-frame-hdr"); if (Args.hasArg(options::OPT_static)) diff --git a/clang/test/Driver/fuchsia.c b/clang/test/Driver/fuchsia.c index 888f6b1a2c4b..024c029e0e0c 100644 --- a/clang/test/Driver/fuchsia.c +++ b/clang/test/Driver/fuchsia.c @@ -41,6 +41,7 @@ // CHECK: "-pie" // CHECK: "--build-id" // CHECK: "--hash-style=gnu" +// CHECK-AARCH64: "--fix-cortex-a53-843419" // CHECK: "-dynamic-linker" "ld.so.1" // CHECK: Scrt1.o // CHECK-NOT: crti.o _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
