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+/* <copyright>
+ This file is provided under a dual BSD/GPLv2 license. When using or
+ redistributing this file, you may do so under either license.
+
+ GPL LICENSE SUMMARY
+
+ Copyright (c) 2005-2014 Intel Corporation. All rights reserved.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of version 2 of the GNU General Public License as
+ published by the Free Software Foundation.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ The full GNU General Public License is included in this distribution
+ in the file called LICENSE.GPL.
+
+ Contact Information:
+ http://software.intel.com/en-us/articles/intel-vtune-amplifier-xe/
+
+ BSD LICENSE
+
+ Copyright (c) 2005-2014 Intel Corporation. All rights reserved.
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in
+ the documentation and/or other materials provided with the
+ distribution.
+ * Neither the name of Intel Corporation nor the names of its
+ contributors may be used to endorse or promote products derived
+ from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+</copyright> */
+
+#include "vtune/ittnotify_config.h"
+
+#if ITT_PLATFORM==ITT_PLATFORM_WIN
+#include <windows.h>
+#endif /* ITT_PLATFORM==ITT_PLATFORM_WIN */
+#if ITT_PLATFORM != ITT_PLATFORM_MAC && ITT_PLATFORM != ITT_PLATFORM_FREEBSD
+#include <malloc.h>
+#endif
+#include <stdlib.h>
+
+#include "vtune/jitprofiling.h"
+
+static const char rcsid[] = "\n@(#) $Revision: 471937 $\n";
+
+#define DLL_ENVIRONMENT_VAR "VS_PROFILER"
+
+#ifndef NEW_DLL_ENVIRONMENT_VAR
+#if ITT_ARCH==ITT_ARCH_IA32
+#define NEW_DLL_ENVIRONMENT_VAR "INTEL_JIT_PROFILER32"
+#else
+#define NEW_DLL_ENVIRONMENT_VAR "INTEL_JIT_PROFILER64"
+#endif
+#endif /* NEW_DLL_ENVIRONMENT_VAR */
+
+#if ITT_PLATFORM==ITT_PLATFORM_WIN
+#define DEFAULT_DLLNAME "JitPI.dll"
+HINSTANCE m_libHandle = NULL;
+#elif ITT_PLATFORM==ITT_PLATFORM_MAC
+#define DEFAULT_DLLNAME "libJitPI.dylib"
+void* m_libHandle = NULL;
+#else
+#define DEFAULT_DLLNAME "libJitPI.so"
+void* m_libHandle = NULL;
+#endif /* ITT_PLATFORM==ITT_PLATFORM_WIN */
+
+/* default location of JIT profiling agent on Android */
+#define ANDROID_JIT_AGENT_PATH "/data/intel/libittnotify.so"
+
+/* the function pointers */
+typedef unsigned int(JITAPI *TPInitialize)(void);
+static TPInitialize FUNC_Initialize=NULL;
+
+typedef unsigned int(JITAPI *TPNotify)(unsigned int, void*);
+static TPNotify FUNC_NotifyEvent=NULL;
+
+static iJIT_IsProfilingActiveFlags executionMode = iJIT_NOTHING_RUNNING;
+
+/* end collector dll part. */
+
+/* loadiJIT_Funcs() : this function is called just in the beginning
+ * and is responsible to load the functions from BistroJavaCollector.dll
+ * result:
+ * on success: the functions loads, iJIT_DLL_is_missing=0, return value = 1
+ * on failure: the functions are NULL, iJIT_DLL_is_missing=1, return value = 0
+ */
+int loadiJIT_Funcs(void);
+
+/* global representing whether the collector can't be loaded */
+static int iJIT_DLL_is_missing = 0;
+
+ITT_EXTERN_C int JITAPI
+iJIT_NotifyEvent(iJIT_JVM_EVENT event_type, void *EventSpecificData)
+{
+ int ReturnValue = 0;
+
+ /* initialization part - the collector has not been loaded yet. */
+ if (!FUNC_NotifyEvent)
+ {
+ if (iJIT_DLL_is_missing)
+ return 0;
+
+ if (!loadiJIT_Funcs())
+ return 0;
+ }
+
+ if (event_type == iJVM_EVENT_TYPE_METHOD_LOAD_FINISHED ||
+ event_type == iJVM_EVENT_TYPE_METHOD_UPDATE)
+ {
+ if (((piJIT_Method_Load)EventSpecificData)->method_id == 0)
+ return 0;
+ }
+ else if (event_type == iJVM_EVENT_TYPE_METHOD_LOAD_FINISHED_V2)
+ {
+ if (((piJIT_Method_Load_V2)EventSpecificData)->method_id == 0)
+ return 0;
+ }
+ else if (event_type == iJVM_EVENT_TYPE_METHOD_LOAD_FINISHED_V3)
+ {
+ if (((piJIT_Method_Load_V3)EventSpecificData)->method_id == 0)
+ return 0;
+ }
+ else if (event_type == iJVM_EVENT_TYPE_METHOD_INLINE_LOAD_FINISHED)
+ {
+ if (((piJIT_Method_Inline_Load)EventSpecificData)->method_id == 0 ||
+ ((piJIT_Method_Inline_Load)EventSpecificData)->parent_method_id == 0)
+ return 0;
+ }
+
+ ReturnValue = (int)FUNC_NotifyEvent(event_type, EventSpecificData);
+
+ return ReturnValue;
+}
+
+ITT_EXTERN_C iJIT_IsProfilingActiveFlags JITAPI iJIT_IsProfilingActive()
+{
+ if (!iJIT_DLL_is_missing)
+ {
+ loadiJIT_Funcs();
+ }
+
+ return executionMode;
+}
+
+/* This function loads the collector dll and the relevant functions.
+ * on success: all functions load, iJIT_DLL_is_missing = 0, return value = 1
+ * on failure: all functions are NULL, iJIT_DLL_is_missing = 1, return value = 0
+ */
+int loadiJIT_Funcs()
+{
+ static int bDllWasLoaded = 0;
+ char *dllName = (char*)rcsid; /* !! Just to avoid unused code elimination */
+#if ITT_PLATFORM==ITT_PLATFORM_WIN
+ DWORD dNameLength = 0;
+#endif /* ITT_PLATFORM==ITT_PLATFORM_WIN */
+
+ if(bDllWasLoaded)
+ {
+ /* dll was already loaded, no need to do it for the second time */
+ return 1;
+ }
+
+ /* Assumes that the DLL will not be found */
+ iJIT_DLL_is_missing = 1;
+ FUNC_NotifyEvent = NULL;
+
+ if (m_libHandle)
+ {
+#if ITT_PLATFORM==ITT_PLATFORM_WIN
+ FreeLibrary(m_libHandle);
+#else /* ITT_PLATFORM==ITT_PLATFORM_WIN */
+ dlclose(m_libHandle);
+#endif /* ITT_PLATFORM==ITT_PLATFORM_WIN */
+ m_libHandle = NULL;
+ }
+
+ /* Try to get the dll name from the environment */
+#if ITT_PLATFORM==ITT_PLATFORM_WIN
+ dNameLength = GetEnvironmentVariableA(NEW_DLL_ENVIRONMENT_VAR, NULL, 0);
+ if (dNameLength)
+ {
+ DWORD envret = 0;
+ dllName = (char*)malloc(sizeof(char) * (dNameLength + 1));
+ if(dllName != NULL)
+ {
+ envret = GetEnvironmentVariableA(NEW_DLL_ENVIRONMENT_VAR,
+ dllName, dNameLength);
+ if (envret)
+ {
+ /* Try to load the dll from the PATH... */
+ m_libHandle = LoadLibraryExA(dllName,
+ NULL, LOAD_WITH_ALTERED_SEARCH_PATH);
+ }
+ free(dllName);
+ }
+ } else {
+ /* Try to use old VS_PROFILER variable */
+ dNameLength = GetEnvironmentVariableA(DLL_ENVIRONMENT_VAR, NULL, 0);
+ if (dNameLength)
+ {
+ DWORD envret = 0;
+ dllName = (char*)malloc(sizeof(char) * (dNameLength + 1));
+ if(dllName != NULL)
+ {
+ envret = GetEnvironmentVariableA(DLL_ENVIRONMENT_VAR,
+ dllName, dNameLength);
+ if (envret)
+ {
+ /* Try to load the dll from the PATH... */
+ m_libHandle = LoadLibraryA(dllName);
+ }
+ free(dllName);
+ }
+ }
+ }
+#else /* ITT_PLATFORM==ITT_PLATFORM_WIN */
+ dllName = getenv(NEW_DLL_ENVIRONMENT_VAR);
+ if (!dllName)
+ dllName = getenv(DLL_ENVIRONMENT_VAR);
+#if defined(__ANDROID__) || defined(ANDROID)
+ if (!dllName)
+ dllName = ANDROID_JIT_AGENT_PATH;
+#endif
+ if (dllName)
+ {
+ /* Try to load the dll from the PATH... */
+ m_libHandle = dlopen(dllName, RTLD_LAZY);
+ }
+#endif /* ITT_PLATFORM==ITT_PLATFORM_WIN */
+
+ if (!m_libHandle)
+ {
+#if ITT_PLATFORM==ITT_PLATFORM_WIN
+ m_libHandle = LoadLibraryA(DEFAULT_DLLNAME);
+#else /* ITT_PLATFORM==ITT_PLATFORM_WIN */
+ m_libHandle = dlopen(DEFAULT_DLLNAME, RTLD_LAZY);
+#endif /* ITT_PLATFORM==ITT_PLATFORM_WIN */
+ }
+
+ /* if the dll wasn't loaded - exit. */
+ if (!m_libHandle)
+ {
+ iJIT_DLL_is_missing = 1; /* don't try to initialize
+ * JIT agent the second time
+ */
+ return 0;
+ }
+
+#if ITT_PLATFORM==ITT_PLATFORM_WIN
+ FUNC_NotifyEvent = (TPNotify)GetProcAddress(m_libHandle, "NotifyEvent");
+#else /* ITT_PLATFORM==ITT_PLATFORM_WIN */
+ FUNC_NotifyEvent = (TPNotify)dlsym(m_libHandle, "NotifyEvent");
+#endif /* ITT_PLATFORM==ITT_PLATFORM_WIN */
+ if (!FUNC_NotifyEvent)
+ {
+ FUNC_Initialize = NULL;
+ return 0;
+ }
+
+#if ITT_PLATFORM==ITT_PLATFORM_WIN
+ FUNC_Initialize = (TPInitialize)GetProcAddress(m_libHandle, "Initialize");
+#else /* ITT_PLATFORM==ITT_PLATFORM_WIN */
+ FUNC_Initialize = (TPInitialize)dlsym(m_libHandle, "Initialize");
+#endif /* ITT_PLATFORM==ITT_PLATFORM_WIN */
+ if (!FUNC_Initialize)
+ {
+ FUNC_NotifyEvent = NULL;
+ return 0;
+ }
+
+ executionMode = (iJIT_IsProfilingActiveFlags)FUNC_Initialize();
+
+ bDllWasLoaded = 1;
+ iJIT_DLL_is_missing = 0; /* DLL is ok. */
+
+ return 1;
+}
+
+ITT_EXTERN_C unsigned int JITAPI iJIT_GetNewMethodID()
+{
+ static unsigned int methodID = 1;
+
+ if (methodID == 0)
+ return 0; /* ERROR : this is not a valid value */
+
+ return methodID++;
+}