Tue, 27 Nov 2012 12:48:52 -0800
8003868: fix shark for latest HotSpot and LLVM
Reviewed-by: twisti
Contributed-by: Roman Kennke <rkennke@redhat.com>
1 /*
2 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
3 * Copyright 2009 Red Hat, Inc.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
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24 */
26 #ifndef SHARE_VM_SHARK_SHARKMEMORYMANAGER_HPP
27 #define SHARE_VM_SHARK_SHARKMEMORYMANAGER_HPP
29 #include "shark/llvmHeaders.hpp"
30 #include "shark/sharkEntry.hpp"
32 // SharkMemoryManager wraps the LLVM JIT Memory Manager. We could use
33 // this to run our own memory allocation policies, but for now all we
34 // use it for is figuring out where the resulting native code ended up.
36 class SharkMemoryManager : public llvm::JITMemoryManager {
37 public:
38 SharkMemoryManager()
39 : _mm(llvm::JITMemoryManager::CreateDefaultMemManager()) {}
41 private:
42 llvm::JITMemoryManager* _mm;
44 private:
45 llvm::JITMemoryManager* mm() const {
46 return _mm;
47 }
49 private:
50 std::map<const llvm::Function*, SharkEntry*> _entry_map;
52 public:
53 void set_entry_for_function(const llvm::Function* function,
54 SharkEntry* entry) {
55 _entry_map[function] = entry;
56 }
57 SharkEntry* get_entry_for_function(const llvm::Function* function) {
58 return _entry_map[function];
59 }
61 public:
62 void AllocateGOT();
63 unsigned char* getGOTBase() const;
64 unsigned char* allocateStub(const llvm::GlobalValue* F,
65 unsigned StubSize,
66 unsigned Alignment);
67 unsigned char* startFunctionBody(const llvm::Function* F,
68 uintptr_t& ActualSize);
69 void endFunctionBody(const llvm::Function* F,
70 unsigned char* FunctionStart,
71 unsigned char* FunctionEnd);
72 unsigned char* startExceptionTable(const llvm::Function* F,
73 uintptr_t& ActualSize);
74 void endExceptionTable(const llvm::Function* F,
75 unsigned char* TableStart,
76 unsigned char* TableEnd,
77 unsigned char* FrameRegister);
78 void *getPointerToNamedFunction(const std::string &Name, bool AbortOnFailure = true);
79 uint8_t *allocateCodeSection(uintptr_t Size, unsigned Alignment, unsigned SectionID);
80 uint8_t *allocateDataSection(uintptr_t Size, unsigned Alignment, unsigned SectionID);
81 void setPoisonMemory(bool);
82 uint8_t* allocateGlobal(uintptr_t, unsigned int);
83 void setMemoryWritable();
84 void setMemoryExecutable();
85 void deallocateExceptionTable(void *ptr);
86 void deallocateFunctionBody(void *ptr);
87 unsigned char *allocateSpace(intptr_t Size,
88 unsigned int Alignment);
89 };
91 #endif // SHARE_VM_SHARK_SHARKMEMORYMANAGER_HPP