提交 99b7699d 编写于 作者: S sgehwolf

8203287: Zero fails to build after JDK-8199712 (Flight Recorder)

Reviewed-by: shade, mdoerr
上级 06aa7a29
/*
* Copyright (c) 2013, 2018, 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 "memory/allocation.hpp"
#include "memory/allocation.inline.hpp"
#include "runtime/os.hpp"
#include "vm_version_ext_zero.hpp"
// VM_Version_Ext statics
int VM_Version_Ext::_no_of_threads = 0;
int VM_Version_Ext::_no_of_cores = 0;
int VM_Version_Ext::_no_of_sockets = 0;
bool VM_Version_Ext::_initialized = false;
char VM_Version_Ext::_cpu_name[CPU_TYPE_DESC_BUF_SIZE] = {0};
void VM_Version_Ext::initialize_cpu_information(void) {
// do nothing if cpu info has been initialized
if (_initialized) {
return;
}
int core_id = -1;
int chip_id = -1;
int len = 0;
char* src_string = NULL;
_no_of_cores = os::processor_count();
_no_of_threads = _no_of_cores;
_no_of_sockets = _no_of_cores;
snprintf(_cpu_name, CPU_TYPE_DESC_BUF_SIZE - 1, "Zero VM");
_initialized = true;
}
int VM_Version_Ext::number_of_threads(void) {
initialize_cpu_information();
return _no_of_threads;
}
int VM_Version_Ext::number_of_cores(void) {
initialize_cpu_information();
return _no_of_cores;
}
int VM_Version_Ext::number_of_sockets(void) {
initialize_cpu_information();
return _no_of_sockets;
}
const char* VM_Version_Ext::cpu_name(void) {
initialize_cpu_information();
char* tmp = NEW_C_HEAP_ARRAY_RETURN_NULL(char, CPU_TYPE_DESC_BUF_SIZE, mtTracing);
if (NULL == tmp) {
return NULL;
}
strncpy(tmp, _cpu_name, CPU_TYPE_DESC_BUF_SIZE);
return tmp;
}
const char* VM_Version_Ext::cpu_description(void) {
return "";
}
/*
* Copyright (c) 2013, 2018, 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.
*
*/
#ifndef CPU_ZERO_VM_VM_VERSION_EXT_ZERO_HPP
#define CPU_ZERO_VM_VM_VERSION_EXT_ZERO_HPP
#include "utilities/macros.hpp"
#include "vm_version_zero.hpp"
class VM_Version_Ext : public VM_Version {
private:
static const size_t CPU_TYPE_DESC_BUF_SIZE = 256;
static int _no_of_threads;
static int _no_of_cores;
static int _no_of_sockets;
static bool _initialized;
static char _cpu_name[CPU_TYPE_DESC_BUF_SIZE];
public:
static int number_of_threads(void);
static int number_of_cores(void);
static int number_of_sockets(void);
static const char* cpu_name(void);
static const char* cpu_description(void);
static void initialize_cpu_information(void);
};
#endif // CPU_ZERO_VM_VM_VERSION_EXT_ZERO_HPP
......@@ -112,6 +112,14 @@
ShouldNotCallThis();
}
bool pd_get_top_frame_for_profiling(frame* fr_addr,
void* ucontext,
bool isInJava) {
ShouldNotCallThis();
return false; // silence compile warning
}
// These routines are only used on cpu architectures that
// have separate register stacks (Itanium).
static bool register_stack_overflow() { return false; }
......
......@@ -26,7 +26,7 @@
#include "runtime/os.hpp"
#include "utilities/ticks.hpp"
#ifdef X86
#if defined(X86) && !defined(ZERO)
#include "rdtsc_x86.hpp"
#endif
......@@ -61,7 +61,7 @@ uint64_t ElapsedCounterSource::nanoseconds(Type value) {
}
uint64_t FastUnorderedElapsedCounterSource::frequency() {
#ifdef X86
#if defined(X86) && !defined(ZERO)
static bool valid_rdtsc = Rdtsc::initialize();
if (valid_rdtsc) {
static const uint64_t freq = (uint64_t)Rdtsc::frequency();
......@@ -73,7 +73,7 @@ uint64_t FastUnorderedElapsedCounterSource::frequency() {
}
FastUnorderedElapsedCounterSource::Type FastUnorderedElapsedCounterSource::now() {
#ifdef X86
#if defined(X86) && !defined(ZERO)
static bool valid_rdtsc = Rdtsc::initialize();
if (valid_rdtsc) {
return Rdtsc::elapsed_counter();
......@@ -105,7 +105,7 @@ uint64_t CompositeElapsedCounterSource::frequency() {
CompositeElapsedCounterSource::Type CompositeElapsedCounterSource::now() {
CompositeTime ct;
ct.val1 = ElapsedCounterSource::now();
#ifdef X86
#if defined(X86) && !defined(ZERO)
static bool initialized = false;
static bool valid_rdtsc = false;
if (!initialized) {
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册