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comparison src/share/vm/code/codeCache.cpp @ 2491:0654ee04b214

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Merge with OpenJDK.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Fri, 22 Apr 2011 15:30:53 +0200
parents dbccacb79c63
children 167b70ff3abc
comparison
equal deleted inserted replaced
2490:29246b1d2d3c 2491:0654ee04b214
1 /* 1 /*
2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 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 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
335 } 335 }
336 #endif //PRODUCT 336 #endif //PRODUCT
337 if (is_live) { 337 if (is_live) {
338 // Perform cur->oops_do(f), maybe just once per nmethod. 338 // Perform cur->oops_do(f), maybe just once per nmethod.
339 f->do_code_blob(cur); 339 f->do_code_blob(cur);
340 cur->fix_oop_relocations();
341 } 340 }
342 } 341 }
343 342
344 // Check for stray marks. 343 // Check for stray marks.
345 debug_only(verify_perm_nmethods(NULL)); 344 debug_only(verify_perm_nmethods(NULL));
547 } 546 }
548 } 547 }
549 set_needs_cache_clean(false); 548 set_needs_cache_clean(false);
550 prune_scavenge_root_nmethods(); 549 prune_scavenge_root_nmethods();
551 assert(!nmethod::oops_do_marking_is_active(), "oops_do_marking_prologue must be called"); 550 assert(!nmethod::oops_do_marking_is_active(), "oops_do_marking_prologue must be called");
551 }
552
553
554 void CodeCache::verify_oops() {
555 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
556 VerifyOopClosure voc;
557 FOR_ALL_ALIVE_BLOBS(cb) {
558 if (cb->is_nmethod()) {
559 nmethod *nm = (nmethod*)cb;
560 nm->oops_do(&voc);
561 nm->verify_oop_relocations();
562 }
563 }
552 } 564 }
553 565
554 566
555 address CodeCache::first_address() { 567 address CodeCache::first_address() {
556 assert_locked_or_safepoint(CodeCache_lock); 568 assert_locked_or_safepoint(CodeCache_lock);
937 st->print_cr("Code Cache [" INTPTR_FORMAT ", " INTPTR_FORMAT ", " INTPTR_FORMAT ")", 949 st->print_cr("Code Cache [" INTPTR_FORMAT ", " INTPTR_FORMAT ", " INTPTR_FORMAT ")",
938 _heap->low_boundary(), 950 _heap->low_boundary(),
939 _heap->high(), 951 _heap->high(),
940 _heap->high_boundary()); 952 _heap->high_boundary());
941 st->print_cr(" total_blobs=" UINT32_FORMAT " nmethods=" UINT32_FORMAT 953 st->print_cr(" total_blobs=" UINT32_FORMAT " nmethods=" UINT32_FORMAT
942 " adapters=" UINT32_FORMAT " free_code_cache=" SIZE_FORMAT 954 " adapters=" UINT32_FORMAT " free_code_cache=" SIZE_FORMAT "Kb"
943 " largest_free_block=" SIZE_FORMAT, 955 " largest_free_block=" SIZE_FORMAT,
944 CodeCache::nof_blobs(), CodeCache::nof_nmethods(), 956 nof_blobs(), nof_nmethods(), nof_adapters(),
945 CodeCache::nof_adapters(), CodeCache::unallocated_capacity(), 957 unallocated_capacity()/K, largest_free_block());
946 CodeCache::largest_free_block()); 958 }
947 } 959
960 void CodeCache::log_state(outputStream* st) {
961 st->print(" total_blobs='" UINT32_FORMAT "' nmethods='" UINT32_FORMAT "'"
962 " adapters='" UINT32_FORMAT "' free_code_cache='" SIZE_FORMAT "'"
963 " largest_free_block='" SIZE_FORMAT "'",
964 nof_blobs(), nof_nmethods(), nof_adapters(),
965 unallocated_capacity(), largest_free_block());
966 }
967
968 size_t CodeCache::largest_free_block() {
969 // This is called both with and without CodeCache_lock held so
970 // handle both cases.
971 if (CodeCache_lock->owned_by_self()) {
972 return _heap->largest_free_block();
973 } else {
974 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
975 return _heap->largest_free_block();
976 }
977 }