[clang] 9e407af - [AIX][driver] Include crti[_64].o and -bcdtors also for C language link invocations by default

Xiangling Liao via cfe-commits cfe-commits at lists.llvm.org
Mon Nov 16 07:08:10 PST 2020


Author: Xiangling Liao
Date: 2020-11-16T10:07:57-05:00
New Revision: 9e407afd9bd3b5181db24b08f78cb43344bd8292

URL: https://github.com/llvm/llvm-project/commit/9e407afd9bd3b5181db24b08f78cb43344bd8292
DIFF: https://github.com/llvm/llvm-project/commit/9e407afd9bd3b5181db24b08f78cb43344bd8292.diff

LOG: [AIX][driver] Include crti[_64].o and -bcdtors also for C language link invocations by default

In order to support attribute((constructor)) and attribute((destructor)),
which is used by various LLVM non-C++ runtime components, AIX will include
crti[_64].o and -bcdtors for C language link invocations by default.

Differential Revision: https://reviews.llvm.org/D91361

Added: 
    

Modified: 
    clang/lib/Driver/ToolChains/AIX.cpp
    clang/test/Driver/aix-ld.c

Removed: 
    


################################################################################
diff  --git a/clang/lib/Driver/ToolChains/AIX.cpp b/clang/lib/Driver/ToolChains/AIX.cpp
index 47ce99a7c625..7b5d7da8c873 100644
--- a/clang/lib/Driver/ToolChains/AIX.cpp
+++ b/clang/lib/Driver/ToolChains/AIX.cpp
@@ -134,16 +134,15 @@ void aix::Linker::ConstructJob(Compilation &C, const JobAction &JA,
     CmdArgs.push_back(
         Args.MakeArgString(ToolChain.GetFilePath(getCrt0Basename())));
 
-    if (D.CCCIsCXX())
-      CmdArgs.push_back(Args.MakeArgString(
-          ToolChain.GetFilePath(IsArch32Bit ? "crti.o" : "crti_64.o")));
+    CmdArgs.push_back(Args.MakeArgString(
+        ToolChain.GetFilePath(IsArch32Bit ? "crti.o" : "crti_64.o")));
   }
 
-  // Collect all static constructor and destructor functions in CXX mode. This
-  // has to come before AddLinkerInputs as the implied option needs to precede
-  // any other '-bcdtors' settings or '-bnocdtors' that '-Wl' might forward.
-  if (D.CCCIsCXX())
-    CmdArgs.push_back("-bcdtors:all:0:s");
+  // Collect all static constructor and destructor functions in both C and CXX
+  // language link invocations. This has to come before AddLinkerInputs as the
+  // implied option needs to precede any other '-bcdtors' settings or
+  // '-bnocdtors' that '-Wl' might forward.
+  CmdArgs.push_back("-bcdtors:all:0:s");
 
   // Specify linker input file(s).
   AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs, JA);

diff  --git a/clang/test/Driver/aix-ld.c b/clang/test/Driver/aix-ld.c
index 89959d851b93..6abfa10c92f6 100644
--- a/clang/test/Driver/aix-ld.c
+++ b/clang/test/Driver/aix-ld.c
@@ -16,7 +16,7 @@
 // CHECK-LD32:     "-b32"
 // CHECK-LD32:     "-bpT:0x10000000" "-bpD:0x20000000"
 // CHECK-LD32:     "[[SYSROOT]]/usr/lib{{/|\\\\}}crt0.o"
-// CHECK-LD32-NOT: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti.o"
+// CHECK-LD32:     "[[SYSROOT]]/usr/lib{{/|\\\\}}crti.o"
 // CHECK-LD32:     "-L[[SYSROOT]]/usr/lib"
 // CHECK-LD32-NOT: "-lc++"
 // CHECK-LD32:     "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc.a"
@@ -38,7 +38,7 @@
 // CHECK-LD64:     "-b64"
 // CHECK-LD64:     "-bpT:0x100000000" "-bpD:0x110000000"
 // CHECK-LD64:     "[[SYSROOT]]/usr/lib{{/|\\\\}}crt0_64.o"
-// CHECK-LD64-NOT: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti_64.o"
+// CHECK-LD64:     "[[SYSROOT]]/usr/lib{{/|\\\\}}crti_64.o"
 // CHECK-LD64:     "-L[[SYSROOT]]/usr/lib"
 // CHECK-LD64-NOT: "-lc++"
 // CHECK-LD64:     "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc64.a"
@@ -61,7 +61,7 @@
 // CHECK-LD32-PTHREAD:     "-b32"
 // CHECK-LD32-PTHREAD:     "-bpT:0x10000000" "-bpD:0x20000000"
 // CHECK-LD32-PTHREAD:     "[[SYSROOT]]/usr/lib{{/|\\\\}}crt0.o"
-// CHECK-LD32-PTHREAD-NOT: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti.o"
+// CHECK-LD32-PTHREAD:     "[[SYSROOT]]/usr/lib{{/|\\\\}}crti.o"
 // CHECK-LD32-PTHREAD:     "-L[[SYSROOT]]/usr/lib"
 // CHECK-LD32-PTHREAD-NOT: "-lc++"
 // CHECK-LD32-PTHREAD:     "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc.a"
@@ -85,7 +85,7 @@
 // CHECK-LD64-PTHREAD:     "-b64"
 // CHECK-LD64-PTHREAD:     "-bpT:0x100000000" "-bpD:0x110000000"
 // CHECK-LD64-PTHREAD:     "[[SYSROOT]]/usr/lib{{/|\\\\}}crt0_64.o"
-// CHECK-LD64-PTHREAD-NOT: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti_64.o"
+// CHECK-LD64-PTHREAD:     "[[SYSROOT]]/usr/lib{{/|\\\\}}crti_64.o"
 // CHECK-LD64-PTHREAD:     "-L[[SYSROOT]]/usr/lib"
 // CHECK-LD64-PTHREAD-NOT: "-lc++"
 // CHECK-LD64-PTHREAD:     "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc64.a"
@@ -109,7 +109,7 @@
 // CHECK-LD32-PROF:     "-b32"
 // CHECK-LD32-PROF:     "-bpT:0x10000000" "-bpD:0x20000000"
 // CHECK-LD32-PROF:     "[[SYSROOT]]/usr/lib{{/|\\\\}}mcrt0.o"
-// CHECK-LD32-PROF-NOT: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti.o"
+// CHECK-LD32-PROF:     "[[SYSROOT]]/usr/lib{{/|\\\\}}crti.o"
 // CHECK-LD32-PROF:     "-L[[SYSROOT]]/usr/lib"
 // CHECK-LD32-PROF-NOT: "-lc++"
 // CHECK-LD32-PROF:     "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc.a"
@@ -132,7 +132,7 @@
 // CHECK-LD64-GPROF:     "-b64"
 // CHECK-LD64-GPROF:     "-bpT:0x100000000" "-bpD:0x110000000"
 // CHECK-LD64-GPROF:     "[[SYSROOT]]/usr/lib{{/|\\\\}}gcrt0_64.o"
-// CHECK-LD64-GPROF-NOT: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti_64.o"
+// CHECK-LD64-GPROF:     "[[SYSROOT]]/usr/lib{{/|\\\\}}crti_64.o"
 // CHECK-LD64-GPROF:     "-L[[SYSROOT]]/usr/lib"
 // CHECK-LD64-GPROF-NOT: "-lc++"
 // CHECK-LD64-GPROF:     "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc64.a"
@@ -155,7 +155,7 @@
 // CHECK-LD32-STATIC:     "-b32"
 // CHECK-LD32-STATIC:     "-bpT:0x10000000" "-bpD:0x20000000"
 // CHECK-LD32-STATIC:     "[[SYSROOT]]/usr/lib{{/|\\\\}}crt0.o"
-// CHECK-LD32-STATIC-NOT: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti.o"
+// CHECK-LD32-STATIC:     "[[SYSROOT]]/usr/lib{{/|\\\\}}crti.o"
 // CHECK-LD32-STATIC:     "-L[[SYSROOT]]/usr/lib"
 // CHECK-LD32-STATIC-NOT: "-lc++"
 // CHECK-LD32-STATIC:     "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc.a"
@@ -178,7 +178,7 @@
 // CHECK-LD32-LIBP:     "-b32"
 // CHECK-LD32-LIBP:     "-bpT:0x10000000" "-bpD:0x20000000"
 // CHECK-LD32-LIBP:     "[[SYSROOT]]/usr/lib{{/|\\\\}}crt0.o"
-// CHECK-LD32-LIBP-NOT: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti.o"
+// CHECK-LD32-LIBP:     "[[SYSROOT]]/usr/lib{{/|\\\\}}crti.o"
 // CHECK-LD32-LIBP:     "-L[[SYSROOT]]/powerpc-ibm-aix7.1.0.0"
 // CHECK-LD32-LIBP:     "-L[[SYSROOT]]/usr/lib"
 // CHECK-LD32-LIBP-NOT: "-lc++"
@@ -228,7 +228,7 @@
 // CHECK-LD64-NO-DEFAULT-LIBS:     "-b64"
 // CHECK-LD64-NO-DEFAULT-LIBS:     "-bpT:0x100000000" "-bpD:0x110000000"
 // CHECK-LD64-NO-DEFAULT-LIBS:     "[[SYSROOT]]/usr/lib{{/|\\\\}}crt0_64.o"
-// CHECK-LD64-NO-DEFAULT-LIBS-NOT: "[[SYSROOT]]/usr/lib{{/|\\\\}}crti_64.o"
+// CHECK-LD64-NO-DEFAULT-LIBS:     "[[SYSROOT]]/usr/lib{{/|\\\\}}crti_64.o"
 // CHECK-LD64-NO-DEFAULT-LIBS:     "-L[[SYSROOT]]/usr/lib"
 // CHECK-LD64-NO-DEFAULT-LIBS-NOT: "-lc++"
 // CHECK-LD64-NO-DEFAULT-LIBS-NOT: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc64.a"
@@ -236,6 +236,30 @@
 // CHECK-LD64-NO-DEFAULT-LIBS-NOT: "-lm"
 // CHECK-LD64-NO-DEFAULT-LIBS-NOT: "-lc"
 
+// Check powerpc-ibm-aix7.1.0.0, 32-bit. 'bcdtors' and argument order.
+// RUN: %clang -no-canonical-prefixes %s 2>&1 -### \
+// RUN:        -resource-dir=%S/Inputs/resource_dir \
+// RUN:        -Wl,-bnocdtors \
+// RUN:        -target powerpc-ibm-aix7.1.0.0 \
+// RUN:        --sysroot %S/Inputs/aix_ppc_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-LD32-ARG-ORDER %s
+// CHECK-LD32-ARG-ORDER:     {{.*}}clang{{.*}}" "-cc1" "-triple" "powerpc-ibm-aix7.1.0.0"
+// CHECK-LD32-ARG-ORDER:     "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
+// CHECK-LD32-ARG-ORDER:     "-isysroot" "[[SYSROOT:[^"]+]]"
+// CHECK-LD32-ARG-ORDER:     "{{.*}}ld{{(.exe)?}}"
+// CHECK-LD32-ARG-ORDER-NOT: "-bnso"
+// CHECK-LD32-ARG-ORDER:     "-b32"
+// CHECK-LD32-ARG-ORDER:     "-bpT:0x10000000" "-bpD:0x20000000"
+// CHECK-LD32-ARG-ORDER:     "[[SYSROOT]]/usr/lib{{/|\\\\}}crt0.o"
+// CHECK-LD32-ARG-ORDER:     "[[SYSROOT]]/usr/lib{{/|\\\\}}crti.o"
+// CHECK-LD32-ARG-ORDER:     "-bcdtors:all:0:s"
+// CHECK-LD32-ARG-ORDER:     "-bnocdtors"
+// CHECK-LD32-ARG-ORDER-NOT: "-bcdtors:all:0:s"
+// CHECK-LD32-ARG-ORDER-NOT: "-lc++"
+// CHECK-LD32-ARG-ORDER:     "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}aix{{/|\\\\}}libclang_rt.builtins-powerpc.a"
+// CHECK-LD32-ARG-ORDER-NOT: "-lm"
+// CHECK-LD32-ARG-ORDER:     "-lc"
+
 // Check powerpc-ibm-aix7.1.0.0, 32-bit. 'bcdtors' and argument order.
 // RUN: %clangxx -no-canonical-prefixes %s 2>&1 -### \
 // RUN:        -resource-dir=%S/Inputs/resource_dir \


        


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