Author: Michael Francis Date: 2023-05-08T22:53:44Z New Revision: 5da7f30f24c4620c4f4425206fbdd0921d333dc0
URL: https://github.com/llvm/llvm-project/commit/5da7f30f24c4620c4f4425206fbdd0921d333dc0 DIFF: https://github.com/llvm/llvm-project/commit/5da7f30f24c4620c4f4425206fbdd0921d333dc0.diff LOG: [AIX][Clang][K] Create `-K` Option for AIX. `-K` is a linker option on AIX, that is used to align the header, text, data, and loader sections of the output file so that each section begins on a page boundary. This patch creates the `-K` option in clang. On non-AIX targets, the "unsupported option" error is thrown. Differential Revision: https://reviews.llvm.org/D146399 Added: clang/test/Driver/unsupported-target-K.c Modified: clang/include/clang/Driver/Options.td clang/lib/Driver/ToolChains/Clang.cpp clang/test/Driver/aix-ld.c Removed: ################################################################################ diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td index 182f0290736d8..496264b74d460 100644 --- a/clang/include/clang/Driver/Options.td +++ b/clang/include/clang/Driver/Options.td @@ -3421,6 +3421,7 @@ def vfsoverlay : JoinedOrSeparate<["-", "--"], "vfsoverlay">, Flags<[CC1Option, HelpText<"Overlay the virtual filesystem described by file over the real file system. " "Additionally, pass this overlay file to the linker if it supports it">; def imultilib : Separate<["-"], "imultilib">, Group<gfortran_Group>; +def K : Flag<["-"], "K">, Flags<[LinkerInput]>; def keep__private__externs : Flag<["-"], "keep_private_externs">; def l : JoinedOrSeparate<["-"], "l">, Flags<[LinkerInput, RenderJoined]>, Group<Link_Group>; diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp index 32ba56066af58..c12a6ab88097b 100644 --- a/clang/lib/Driver/ToolChains/Clang.cpp +++ b/clang/lib/Driver/ToolChains/Clang.cpp @@ -6326,6 +6326,11 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, } } + if (Arg *A = Args.getLastArgNoClaim(options::OPT_K); + A && !TC.getTriple().isOSAIX()) + D.Diag(diag::err_drv_unsupported_opt_for_target) + << A->getAsString(Args) << TripleStr; + if (Args.getLastArg(options::OPT_fapple_kext) || (Args.hasArg(options::OPT_mkernel) && types::isCXX(InputType))) CmdArgs.push_back("-fapple-kext"); diff --git a/clang/test/Driver/aix-ld.c b/clang/test/Driver/aix-ld.c index eb2910db239ff..d5c595495976a 100644 --- a/clang/test/Driver/aix-ld.c +++ b/clang/test/Driver/aix-ld.c @@ -1096,3 +1096,27 @@ // CHECK-RELOCATABLE-NOT: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti.o" // CHECK-RELOCATABLE-NOT: "-l{{.*}}" // CHECK-RELOCATABLE-NOT: "-L{{.*}}" + +// Check powerpc-ibm-aix7.1.0.0. -K is a passthrough linker option. +// RUN: %clang %s 2>&1 -### \ +// RUN: --target=powerpc-ibm-aix7.1.0.0 \ +// RUN: --sysroot %S/Inputs/aix_ppc_tree \ +// RUN: --unwindlib=libunwind \ +// RUN: -K \ +// RUN: | FileCheck --check-prefixes=CHECK-K %s +// CHECK-K: "-cc1" "-triple" "powerpc-ibm-aix7.1.0.0" +// CHECK-K: "-isysroot" "[[SYSROOT:[^"]+]]" +// CHECK-K: "{{.*}}ld{{(.exe)?}}" +// CHECK-K: "[[SYSROOT]]/usr/lib{{/|\\\\}}crt0.o" +// CHECK-K: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti.o" +// CHECK-K: "-K" + +// Check powerpc-ibm-aix7.1.0.0. -K unused when not linking. +// RUN: %clang %s 2>&1 -### \ +// RUN: --target=powerpc-ibm-aix7.1.0.0 \ +// RUN: --sysroot %S/Inputs/aix_ppc_tree \ +// RUN: --unwindlib=libunwind \ +// RUN: -K \ +// RUN: -c \ +// RUN: | FileCheck --check-prefixes=CHECK-K-UNUSED %s +// CHECK-K-UNUSED: clang: warning: -K: 'linker' input unused [-Wunused-command-line-argument] diff --git a/clang/test/Driver/unsupported-target-K.c b/clang/test/Driver/unsupported-target-K.c new file mode 100644 index 0000000000000..8b9a6f529c326 --- /dev/null +++ b/clang/test/Driver/unsupported-target-K.c @@ -0,0 +1,8 @@ +// Check powerpc64-unknown-linux-gnu. -K not supported. +// RUN: %clang %s 2>&1 -### \ +// RUN: --target=powerpc64-unknown-linux-gnu \ +// RUN: --sysroot %S/Inputs/aix_ppc_tree \ +// RUN: --unwindlib=libunwind \ +// RUN: -K \ +// RUN: | FileCheck --check-prefixes=CHECK-K-SUPPORT %s +// CHECK-K-SUPPORT: clang: error: unsupported option '-K' for target 'powerpc64-unknown-linux-gnu' _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits