Mercurial > hg > graal-compiler
comparison src/share/vm/graal/graalVmIds.cpp @ 3632:136ea96eb7f8
Remove the need for VmId (last usage was the constant pool).
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Mon, 14 Nov 2011 22:33:15 +0100 |
parents | 75a99b4f1c98 |
children | 076542d505cd |
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3630:3b18b27b0dd4 | 3632:136ea96eb7f8 |
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26 #include "ci/ciUtilities.hpp" | 26 #include "ci/ciUtilities.hpp" |
27 | 27 |
28 // VmIds implementation | 28 // VmIds implementation |
29 | 29 |
30 GrowableArray<address>* VmIds::_stubs = NULL; | 30 GrowableArray<address>* VmIds::_stubs = NULL; |
31 GrowableArray<jobject>* VmIds::_localHandles = NULL; | |
32 | 31 |
33 | 32 |
34 void VmIds::initializeObjects() { | 33 void VmIds::initializeObjects() { |
35 if (_stubs == NULL) { | 34 if (_stubs == NULL) { |
36 assert(_localHandles == NULL, "inconsistent state"); | 35 assert(_localHandles == NULL, "inconsistent state"); |
37 _stubs = new (ResourceObj::C_HEAP) GrowableArray<address> (64, true); | 36 _stubs = new (ResourceObj::C_HEAP) GrowableArray<address> (64, true); |
38 _localHandles = new (ResourceObj::C_HEAP) GrowableArray<jobject> (64, true); | |
39 } | 37 } |
40 assert(_localHandles->length() == 0, "invalid state"); | 38 assert(_localHandles->length() == 0, "invalid state"); |
41 } | |
42 | |
43 void VmIds::cleanupLocalObjects() { | |
44 for (int i = 0; i < _localHandles->length(); i++) { | |
45 JNIHandles::destroy_global(_localHandles->at(i)); | |
46 } | |
47 _localHandles->clear(); | |
48 } | 39 } |
49 | 40 |
50 jlong VmIds::addStub(address stub) { | 41 jlong VmIds::addStub(address stub) { |
51 assert(!_stubs->contains(stub), "duplicate stub"); | 42 assert(!_stubs->contains(stub), "duplicate stub"); |
52 return _stubs->append(stub) | STUB; | 43 return _stubs->append(stub) | STUB; |
53 } | |
54 | |
55 jlong VmIds::add(Handle obj, jlong type) { | |
56 assert(!obj.is_null(), "cannot add NULL handle"); | |
57 int idx = -1; | |
58 for (int i = 0; i < _localHandles->length(); i++) | |
59 if (JNIHandles::resolve_non_null(_localHandles->at(i)) == obj()) { | |
60 idx = i; | |
61 break; | |
62 } | |
63 if (idx == -1) { | |
64 if (JavaThread::current()->thread_state() == _thread_in_vm) { | |
65 idx = _localHandles->append(JNIHandles::make_global(obj)); | |
66 } else { | |
67 VM_ENTRY_MARK; | |
68 idx = _localHandles->append(JNIHandles::make_global(obj)); | |
69 } | |
70 } | |
71 return idx | type; | |
72 } | 44 } |
73 | 45 |
74 address VmIds::getStub(jlong id) { | 46 address VmIds::getStub(jlong id) { |
75 assert((id & TYPE_MASK) == STUB, "wrong id type, STUB expected"); | 47 assert((id & TYPE_MASK) == STUB, "wrong id type, STUB expected"); |
76 assert((id & ~TYPE_MASK) >= 0 && (id & ~TYPE_MASK) < _stubs->length(), "STUB index out of bounds"); | 48 assert((id & ~TYPE_MASK) >= 0 && (id & ~TYPE_MASK) < _stubs->length(), "STUB index out of bounds"); |
77 return _stubs->at(id & ~TYPE_MASK); | 49 return _stubs->at(id & ~TYPE_MASK); |
78 } | 50 } |
79 | 51 |
80 oop VmIds::getObject(jlong id) { | |
81 assert((id & TYPE_MASK) != STUB, "wrong id type"); | |
82 assert((id & ~TYPE_MASK) >= 0 && (id & ~TYPE_MASK) < _localHandles->length(), "index out of bounds"); | |
83 return JNIHandles::resolve_non_null(_localHandles->at(id & ~TYPE_MASK)); | |
84 } | |
85 |