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8072725: Provide more granular levels for GC verification

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Add option VerifySubSet to selectively verify the memory sub-systems

Reviewed-by: kevinw, jmasa, tschatzl, dfazunen
This commit is contained in:
Poonam Bajaj 2016-01-15 06:27:35 -08:00
parent 0173335479
commit 33104c61ae
4 changed files with 215 additions and 23 deletions
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19
hotspot/src/share/vm/memory/universe.hpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2016, 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
@ -255,6 +255,7 @@ class Universe: AllStatic {
// True during call to verify(). Should only be set/cleared in verify().
static bool _verify_in_progress;
static long verify_flags;
static uintptr_t _verify_oop_mask;
static uintptr_t _verify_oop_bits;
@ -463,6 +464,22 @@ class Universe: AllStatic {
static void init_self_patching_vtbl_list(void** list, int count);
// Debugging
enum VERIFY_FLAGS {
Verify_Threads = 1,
Verify_Heap = 2,
Verify_SymbolTable = 4,
Verify_StringTable = 8,
Verify_CodeCache = 16,
Verify_SystemDictionary = 32,
Verify_ClassLoaderDataGraph = 64,
Verify_MetaspaceAux = 128,
Verify_JNIHandles = 256,
Verify_CHeap = 512,
Verify_CodeCacheOops = 1024,
Verify_All = -1
};
static void initialize_verify_flags();
static bool should_verify_subset(uint subset);
static bool verify_in_progress() { return _verify_in_progress; }
static void verify(VerifyOption option, const char* prefix);
static void verify(const char* prefix) {