1 /*
2 * Copyright (c) 1998, 2017, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
277 AdapterBlob::AdapterBlob(int size, CodeBuffer* cb) :
278 BufferBlob("I2C/C2I adapters", size, cb) {
279 CodeCache::commit(this);
280 }
281
282 AdapterBlob* AdapterBlob::create(CodeBuffer* cb) {
283 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
284
285 AdapterBlob* blob = NULL;
286 unsigned int size = CodeBlob::allocation_size(cb, sizeof(AdapterBlob));
287 {
288 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
289 blob = new (size) AdapterBlob(size, cb);
290 }
291 // Track memory usage statistic after releasing CodeCache_lock
292 MemoryService::track_code_cache_memory_usage();
293
294 return blob;
295 }
296
297
298 //----------------------------------------------------------------------------------------------------
299 // Implementation of MethodHandlesAdapterBlob
300
301 MethodHandlesAdapterBlob* MethodHandlesAdapterBlob::create(int buffer_size) {
302 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
303
304 MethodHandlesAdapterBlob* blob = NULL;
305 unsigned int size = sizeof(MethodHandlesAdapterBlob);
306 // align the size to CodeEntryAlignment
307 size = CodeBlob::align_code_offset(size);
308 size += align_up(buffer_size, oopSize);
309 {
310 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
311 blob = new (size) MethodHandlesAdapterBlob(size);
312 if (blob == NULL) {
313 vm_exit_out_of_memory(size, OOM_MALLOC_ERROR, "CodeCache: no room for method handle adapter blob");
314 }
315 }
316 // Track memory usage statistic after releasing CodeCache_lock
317 MemoryService::track_code_cache_memory_usage();
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1 /*
2 * Copyright (c) 1998, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
277 AdapterBlob::AdapterBlob(int size, CodeBuffer* cb) :
278 BufferBlob("I2C/C2I adapters", size, cb) {
279 CodeCache::commit(this);
280 }
281
282 AdapterBlob* AdapterBlob::create(CodeBuffer* cb) {
283 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
284
285 AdapterBlob* blob = NULL;
286 unsigned int size = CodeBlob::allocation_size(cb, sizeof(AdapterBlob));
287 {
288 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
289 blob = new (size) AdapterBlob(size, cb);
290 }
291 // Track memory usage statistic after releasing CodeCache_lock
292 MemoryService::track_code_cache_memory_usage();
293
294 return blob;
295 }
296
297 VtableBlob::VtableBlob(const char* name, int size) :
298 BufferBlob(name, size) {
299 }
300
301 VtableBlob* VtableBlob::create(const char* name, int buffer_size) {
302 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
303
304 VtableBlob* blob = NULL;
305 unsigned int size = sizeof(VtableBlob);
306 // align the size to CodeEntryAlignment
307 size = align_code_offset(size);
308 size += align_up(buffer_size, oopSize);
309 assert(name != NULL, "must provide a name");
310 {
311 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
312 blob = new (size) VtableBlob(name, size);
313 }
314 // Track memory usage statistic after releasing CodeCache_lock
315 MemoryService::track_code_cache_memory_usage();
316
317 return blob;
318 }
319
320 //----------------------------------------------------------------------------------------------------
321 // Implementation of MethodHandlesAdapterBlob
322
323 MethodHandlesAdapterBlob* MethodHandlesAdapterBlob::create(int buffer_size) {
324 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
325
326 MethodHandlesAdapterBlob* blob = NULL;
327 unsigned int size = sizeof(MethodHandlesAdapterBlob);
328 // align the size to CodeEntryAlignment
329 size = CodeBlob::align_code_offset(size);
330 size += align_up(buffer_size, oopSize);
331 {
332 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
333 blob = new (size) MethodHandlesAdapterBlob(size);
334 if (blob == NULL) {
335 vm_exit_out_of_memory(size, OOM_MALLOC_ERROR, "CodeCache: no room for method handle adapter blob");
336 }
337 }
338 // Track memory usage statistic after releasing CodeCache_lock
339 MemoryService::track_code_cache_memory_usage();
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