src/share/vm/shark/sharkMemoryManager.hpp

Tue, 23 Nov 2010 13:22:55 -0800

author
stefank
date
Tue, 23 Nov 2010 13:22:55 -0800
changeset 2314
f95d63e2154a
parent 2047
d2ede61b7a12
child 4314
2cd5e15048e6
permissions
-rw-r--r--

6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg

twisti@2047 1 /*
stefank@2314 2 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
twisti@2047 3 * Copyright 2009 Red Hat, Inc.
twisti@2047 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
twisti@2047 5 *
twisti@2047 6 * This code is free software; you can redistribute it and/or modify it
twisti@2047 7 * under the terms of the GNU General Public License version 2 only, as
twisti@2047 8 * published by the Free Software Foundation.
twisti@2047 9 *
twisti@2047 10 * This code is distributed in the hope that it will be useful, but WITHOUT
twisti@2047 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
twisti@2047 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
twisti@2047 13 * version 2 for more details (a copy is included in the LICENSE file that
twisti@2047 14 * accompanied this code).
twisti@2047 15 *
twisti@2047 16 * You should have received a copy of the GNU General Public License version
twisti@2047 17 * 2 along with this work; if not, write to the Free Software Foundation,
twisti@2047 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
twisti@2047 19 *
twisti@2047 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
twisti@2047 21 * or visit www.oracle.com if you need additional information or have any
twisti@2047 22 * questions.
twisti@2047 23 *
twisti@2047 24 */
twisti@2047 25
stefank@2314 26 #ifndef SHARE_VM_SHARK_SHARKMEMORYMANAGER_HPP
stefank@2314 27 #define SHARE_VM_SHARK_SHARKMEMORYMANAGER_HPP
stefank@2314 28
stefank@2314 29 #include "shark/llvmHeaders.hpp"
stefank@2314 30 #include "shark/sharkEntry.hpp"
stefank@2314 31
twisti@2047 32 // SharkMemoryManager wraps the LLVM JIT Memory Manager. We could use
twisti@2047 33 // this to run our own memory allocation policies, but for now all we
twisti@2047 34 // use it for is figuring out where the resulting native code ended up.
twisti@2047 35
twisti@2047 36 class SharkMemoryManager : public llvm::JITMemoryManager {
twisti@2047 37 public:
twisti@2047 38 SharkMemoryManager()
twisti@2047 39 : _mm(llvm::JITMemoryManager::CreateDefaultMemManager()) {}
twisti@2047 40
twisti@2047 41 private:
twisti@2047 42 llvm::JITMemoryManager* _mm;
twisti@2047 43
twisti@2047 44 private:
twisti@2047 45 llvm::JITMemoryManager* mm() const {
twisti@2047 46 return _mm;
twisti@2047 47 }
twisti@2047 48
twisti@2047 49 private:
twisti@2047 50 std::map<const llvm::Function*, SharkEntry*> _entry_map;
twisti@2047 51
twisti@2047 52 public:
twisti@2047 53 void set_entry_for_function(const llvm::Function* function,
twisti@2047 54 SharkEntry* entry) {
twisti@2047 55 _entry_map[function] = entry;
twisti@2047 56 }
twisti@2047 57 SharkEntry* get_entry_for_function(const llvm::Function* function) {
twisti@2047 58 return _entry_map[function];
twisti@2047 59 }
twisti@2047 60
twisti@2047 61 public:
twisti@2047 62 void AllocateGOT();
twisti@2047 63 unsigned char* getGOTBase() const;
twisti@2047 64 unsigned char* allocateStub(const llvm::GlobalValue* F,
twisti@2047 65 unsigned StubSize,
twisti@2047 66 unsigned Alignment);
twisti@2047 67 unsigned char* startFunctionBody(const llvm::Function* F,
twisti@2047 68 uintptr_t& ActualSize);
twisti@2047 69 void endFunctionBody(const llvm::Function* F,
twisti@2047 70 unsigned char* FunctionStart,
twisti@2047 71 unsigned char* FunctionEnd);
twisti@2047 72 unsigned char* startExceptionTable(const llvm::Function* F,
twisti@2047 73 uintptr_t& ActualSize);
twisti@2047 74 void endExceptionTable(const llvm::Function* F,
twisti@2047 75 unsigned char* TableStart,
twisti@2047 76 unsigned char* TableEnd,
twisti@2047 77 unsigned char* FrameRegister);
twisti@2047 78 #if SHARK_LLVM_VERSION < 27
twisti@2047 79 void* getDlsymTable() const;
twisti@2047 80 void SetDlsymTable(void *ptr);
twisti@2047 81 #endif
twisti@2047 82 void setPoisonMemory(bool);
twisti@2047 83 uint8_t* allocateGlobal(uintptr_t, unsigned int);
twisti@2047 84 void setMemoryWritable();
twisti@2047 85 void setMemoryExecutable();
twisti@2047 86 #if SHARK_LLVM_VERSION >= 27
twisti@2047 87 void deallocateExceptionTable(void *ptr);
twisti@2047 88 void deallocateFunctionBody(void *ptr);
twisti@2047 89 #else
twisti@2047 90 void deallocateMemForFunction(const llvm::Function* F);
twisti@2047 91 #endif
twisti@2047 92 unsigned char *allocateSpace(intptr_t Size,
twisti@2047 93 unsigned int Alignment);
twisti@2047 94 };
stefank@2314 95
stefank@2314 96 #endif // SHARE_VM_SHARK_SHARKMEMORYMANAGER_HPP

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