include $(CLEAR_VARS)
LOCAL_CPP_EXTENSION := $(ART_CPP_EXTENSION)
LOCAL_MODULE_TAGS := optional
- LOCAL_SRC_FILES := $$(art_source)
+ LOCAL_SRC_FILES := $$(art_source) ../sigchainlib/sigchain.cc
LOCAL_C_INCLUDES += $(ART_C_INCLUDES) art/runtime $$(art_c_includes)
LOCAL_SHARED_LIBRARIES += $$(art_shared_libraries)
endif
LOCAL_CFLAGS := $(ART_EXECUTABLES_CFLAGS)
+ LOCAL_LDFLAGS := -Wl,--version-script,art/sigchainlib/version-script.txt -Wl,--export-dynamic
ifeq ($$(art_target_or_host),target)
$(call set-target-local-clang-vars)
$(call set-target-local-cflags-vars,$(6))
+ LOCAL_SHARED_LIBRARIES += libdl
else # host
LOCAL_CLANG := $(ART_HOST_CLANG)
LOCAL_CFLAGS += $(ART_HOST_CFLAGS)
else
LOCAL_CFLAGS += $(ART_HOST_NON_DEBUG_CFLAGS)
endif
- LOCAL_LDLIBS += -lpthread
+ LOCAL_LDLIBS += -lpthread -ldl
endif
ifeq ($$(art_ndebug_or_debug),ndebug)
LOCAL_MODULE := dalvikvm
LOCAL_MODULE_TAGS := optional
LOCAL_CPP_EXTENSION := cc
-LOCAL_SRC_FILES := dalvikvm.cc
+LOCAL_SRC_FILES := dalvikvm.cc ../sigchainlib/sigchain.cc
LOCAL_CFLAGS := $(dalvikvm_cflags)
LOCAL_C_INCLUDES := art/runtime
-LOCAL_SHARED_LIBRARIES := libdl libnativehelper
+LOCAL_SHARED_LIBRARIES := libdl liblog libnativehelper
+LOCAL_LDFLAGS := -Wl,--version-script,art/sigchainlib/version-script.txt -Wl,--export-dynamic
LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
LOCAL_ADDITIONAL_DEPENDENCIES += art/build/Android.common.mk
LOCAL_MULTILIB := both
LOCAL_MODULE_TAGS := optional
LOCAL_CLANG := true
LOCAL_CPP_EXTENSION := cc
-LOCAL_SRC_FILES := dalvikvm.cc
+LOCAL_SRC_FILES := dalvikvm.cc ../sigchainlib/sigchain.cc
LOCAL_CFLAGS := $(dalvikvm_cflags)
LOCAL_C_INCLUDES := art/runtime
LOCAL_SHARED_LIBRARIES := libnativehelper
-LOCAL_LDFLAGS := -ldl -lpthread
+LOCAL_LDFLAGS := -ldl -lpthread -Wl,--export-dynamic
LOCAL_ADDITIONAL_DEPENDENCIES += $(LOCAL_PATH)/Android.mk
LOCAL_ADDITIONAL_DEPENDENCIES += art/build/Android.common.mk
LOCAL_IS_HOST_MODULE := true
LOCAL_CPP_EXTENSION := $(ART_CPP_EXTENSION)
LOCAL_MODULE_TAGS := optional
LOCAL_CFLAGS += $(ART_TARGET_CFLAGS)
-LOCAL_SRC_FILES := sigchain.cc
+LOCAL_SRC_FILES := sigchain_dummy.cc
LOCAL_CLANG = $(ART_TARGET_CLANG)
LOCAL_MODULE:= libsigchain
-LOCAL_SHARED_LIBRARIES := liblog libdl
+LOCAL_SHARED_LIBRARIES := liblog
LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
LOCAL_ADDITIONAL_DEPENDENCIES += art/build/Android.common_build.mk
include $(BUILD_SHARED_LIBRARY)
LOCAL_IS_HOST_MODULE := true
LOCAL_CFLAGS += $(ART_HOST_CFLAGS)
LOCAL_CLANG = $(ART_HOST_CLANG)
-LOCAL_SRC_FILES := sigchain.cc
+LOCAL_SRC_FILES := sigchain_dummy.cc
LOCAL_MODULE:= libsigchain
LOCAL_ADDITIONAL_DEPENDENCIES += $(LOCAL_PATH)/Android.mk
LOCAL_LDLIBS = -ldl
}
}
-
// Claim a signal chain for a particular signal.
-void ClaimSignalChain(int signal, struct sigaction* oldaction) {
+extern "C" void ClaimSignalChain(int signal, struct sigaction* oldaction) {
CheckSignalValid(signal);
user_sigactions[signal].Claim(*oldaction);
}
-void UnclaimSignalChain(int signal) {
+extern "C" void UnclaimSignalChain(int signal) {
CheckSignalValid(signal);
user_sigactions[signal].Unclaim(signal);
}
// Invoke the user's signal handler.
-void InvokeUserSignalHandler(int sig, siginfo_t* info, void* context) {
+extern "C" void InvokeUserSignalHandler(int sig, siginfo_t* info, void* context) {
// Check the arguments.
CheckSignalValid(sig);
}
}
-extern "C" {
// These functions are C linkage since they replace the functions in libc.
-int sigaction(int signal, const struct sigaction* new_action, struct sigaction* old_action) {
+extern "C" int sigaction(int signal, const struct sigaction* new_action, struct sigaction* old_action) {
// If this signal has been claimed as a signal chain, record the user's
// action but don't pass it on to the kernel.
// Note that we check that the signal number is in range here. An out of range signal
return linked_sigaction(signal, new_action, old_action);
}
-sighandler_t signal(int signal, sighandler_t handler) {
+extern "C" sighandler_t signal(int signal, sighandler_t handler) {
struct sigaction sa;
sigemptyset(&sa.sa_mask);
sa.sa_handler = handler;
return reinterpret_cast<sighandler_t>(sa.sa_handler);
}
-int sigprocmask(int how, const sigset_t* bionic_new_set, sigset_t* bionic_old_set) {
+extern "C" int sigprocmask(int how, const sigset_t* bionic_new_set, sigset_t* bionic_old_set) {
const sigset_t* new_set_ptr = bionic_new_set;
sigset_t tmpset;
if (bionic_new_set != NULL) {
SigProcMask linked_sigprocmask= reinterpret_cast<SigProcMask>(linked_sigprocmask_sym);
return linked_sigprocmask(how, new_set_ptr, bionic_old_set);
}
-} // extern "C"
-void InitializeSignalChain() {
+extern "C" void InitializeSignalChain() {
// Warning.
// Don't call this from within a signal context as it makes calls to
// dlsym. Calling into the dynamic linker will result in locks being
#include <signal.h>
-namespace art {
+extern "C" void InitializeSignalChain();
-void InitializeSignalChain();
+extern "C" void ClaimSignalChain(int signal, struct sigaction* oldaction);
-void ClaimSignalChain(int signal, struct sigaction* oldaction);
+extern "C" void UnclaimSignalChain(int signal);
-void UnclaimSignalChain(int signal);
-
-void InvokeUserSignalHandler(int sig, siginfo_t* info, void* context);
-
-} // namespace art
+extern "C" void InvokeUserSignalHandler(int sig, siginfo_t* info, void* context);
#endif // ART_SIGCHAINLIB_SIGCHAIN_H_
--- /dev/null
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifdef HAVE_ANDROID_OS
+#include <android/log.h>
+#else
+#include <stdarg.h>
+#include <iostream>
+#endif
+
+#include <stdlib.h>
+
+#include "sigchain.h"
+
+static void log(const char* format, ...) {
+ char buf[256];
+ va_list ap;
+ va_start(ap, format);
+ vsnprintf(buf, sizeof(buf), format, ap);
+#ifdef HAVE_ANDROID_OS
+ __android_log_write(ANDROID_LOG_ERROR, "libsigchain", buf);
+#else
+ std::cout << buf << "\n";
+#endif
+ va_end(ap);
+}
+
+extern "C" void ClaimSignalChain(int signal, struct sigaction* oldaction) {
+ log("ClaimSignalChain is not exported by the main executable.");
+ abort();
+}
+
+extern "C" void UnclaimSignalChain(int signal) {
+ log("UnclaimSignalChain is not exported by the main executable.");
+ abort();
+}
+
+extern "C" void InvokeUserSignalHandler(int sig, siginfo_t* info, void* context) {
+ log("InvokeUserSignalHandler is not exported by the main executable.");
+ abort();
+}
+
+extern "C" void InitializeSignalChain() {
+ log("InitializeSignalChain is not exported by the main executable.");
+ abort();
+}
--- /dev/null
+{
+global:
+ ClaimSignalChain;
+ UnclaimSignalChain;
+ InvokeUserSignalHandler;
+ InitializeSignalChain;
+ sigaction;
+ signal;
+ sigprocmask;
+local:
+ *;
+};
if [ "$USE_GDB" = "y" ]; then
# When running under gdb, we cannot do piping and grepping...
- LD_PRELOAD=libsigchain.so $cmdline "$@"
+ $cmdline "$@"
else
- # If we are execing /bin/false we might not be on the same ISA as libsigchain.so
- # ld.so will helpfully warn us of this. Unfortunately this messes up our error
- # checking so we will just filter out the error with a grep.
- LD_PRELOAD=libsigchain.so $cmdline "$@" 2>&1 | grep -v -E "^ERROR: ld\.so: object '.+\.so' from LD_PRELOAD cannot be preloaded.*: ignored\.$"
+ $cmdline "$@" 2>&1
# Add extra detail if time out is enabled.
if [ ${PIPESTATUS[0]} = 124 ] && [ "$TIME_OUT" = "y" ]; then
echo -e "\e[91mTEST TIMED OUT!\e[0m" >&2
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