25f33c005d
Introduce and clean up umbrella headers for the files in the cpu subdirectories. Reviewed-by: lfoltan, coleenp, dholmes
133 lines
4.1 KiB
C++
133 lines
4.1 KiB
C++
/*
|
|
* Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This code 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
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*
|
|
*/
|
|
|
|
#include "precompiled.hpp"
|
|
#include "classfile/javaClasses.hpp"
|
|
#include "code/codeBlob.hpp"
|
|
#include "code/nativeInst.hpp"
|
|
#include "memory/allocation.hpp"
|
|
#include "prims/jvm.h"
|
|
#include "runtime/dtraceJSDT.hpp"
|
|
#include "runtime/jniHandles.hpp"
|
|
#include "runtime/os.hpp"
|
|
#include "utilities/exceptions.hpp"
|
|
#include "utilities/globalDefinitions.hpp"
|
|
#include "utilities/utf8.hpp"
|
|
|
|
#ifdef HAVE_DTRACE_H
|
|
|
|
jlong DTraceJSDT::activate(
|
|
jint version, jstring module_name, jint providers_count,
|
|
JVM_DTraceProvider* providers, TRAPS) {
|
|
|
|
size_t count = 0;
|
|
RegisteredProbes* probes = NULL;
|
|
|
|
if (!is_supported()) {
|
|
return 0;
|
|
}
|
|
|
|
assert(module_name != NULL, "valid module name");
|
|
assert(providers != NULL, "valid provider array");
|
|
|
|
for (int i = 0; i < providers_count; ++i) {
|
|
count += providers[i].probe_count;
|
|
}
|
|
probes = new RegisteredProbes(count);
|
|
count = 0;
|
|
|
|
for (int i = 0; i < providers_count; ++i) {
|
|
assert(providers[i].name != NULL, "valid provider name");
|
|
assert(providers[i].probe_count == 0 || providers[i].probes != NULL,
|
|
"valid probe count");
|
|
for (int j = 0; j < providers[i].probe_count; ++j) {
|
|
JVM_DTraceProbe* probe = &(providers[i].probes[j]);
|
|
assert(probe != NULL, "valid probe");
|
|
assert(probe->method != NULL, "valid method");
|
|
assert(probe->name != NULL, "valid probe name");
|
|
assert(probe->function != NULL, "valid probe function spec");
|
|
methodHandle h_method =
|
|
methodHandle(THREAD, Method::resolve_jmethod_id(probe->method));
|
|
nmethod* nm = AdapterHandlerLibrary::create_dtrace_nmethod(h_method);
|
|
if (nm == NULL) {
|
|
delete probes;
|
|
THROW_MSG_0(vmSymbols::java_lang_RuntimeException(),
|
|
"Unable to register DTrace probes (CodeCache: no room for DTrace nmethods).");
|
|
}
|
|
h_method()->set_not_compilable();
|
|
h_method()->set_code(h_method, nm);
|
|
probes->nmethod_at_put(count++, nm);
|
|
}
|
|
}
|
|
|
|
int handle = pd_activate((void*)probes,
|
|
module_name, providers_count, providers);
|
|
if (handle < 0) {
|
|
delete probes;
|
|
THROW_MSG_0(vmSymbols::java_lang_RuntimeException(),
|
|
"Unable to register DTrace probes (internal error).");
|
|
}
|
|
probes->set_helper_handle(handle);
|
|
return RegisteredProbes::toOpaqueProbes(probes);
|
|
}
|
|
|
|
jboolean DTraceJSDT::is_probe_enabled(jmethodID method) {
|
|
Method* m = Method::resolve_jmethod_id(method);
|
|
return nativeInstruction_at(m->code()->trap_address())->is_dtrace_trap();
|
|
}
|
|
|
|
void DTraceJSDT::dispose(OpaqueProbes probes) {
|
|
RegisteredProbes* p = RegisteredProbes::toRegisteredProbes(probes);
|
|
if (probes != -1 && p != NULL) {
|
|
pd_dispose(p->helper_handle());
|
|
delete p;
|
|
}
|
|
}
|
|
|
|
jboolean DTraceJSDT::is_supported() {
|
|
return pd_is_supported();
|
|
}
|
|
|
|
#else // HAVE_DTRACE_H
|
|
|
|
jlong DTraceJSDT::activate(
|
|
jint version, jstring module_name, jint providers_count,
|
|
JVM_DTraceProvider* providers, TRAPS) {
|
|
return 0;
|
|
}
|
|
|
|
jboolean DTraceJSDT::is_probe_enabled(jmethodID method) {
|
|
return false;
|
|
}
|
|
|
|
void DTraceJSDT::dispose(OpaqueProbes probes) {
|
|
return;
|
|
}
|
|
|
|
jboolean DTraceJSDT::is_supported() {
|
|
return false;
|
|
}
|
|
|
|
#endif // ndef HAVE_DTRACE_H
|