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comparison src/share/vm/interpreter/interpreterRuntime.hpp @ 2142:8012aa3ccede

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4926272: methodOopDesc::method_from_bcp is unsafe Reviewed-by: coleenp, jrose, kvn, dcubed
author never
date Thu, 13 Jan 2011 22:15:41 -0800
parents f95d63e2154a
children 633a44a9fc45
comparison
equal deleted inserted replaced
2130:34d64ad817f4 2142:8012aa3ccede
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.
56 static address bcp(JavaThread *thread) { return last_frame(thread).interpreter_frame_bcp(); } 56 static address bcp(JavaThread *thread) { return last_frame(thread).interpreter_frame_bcp(); }
57 static int bci(JavaThread *thread) { return last_frame(thread).interpreter_frame_bci(); } 57 static int bci(JavaThread *thread) { return last_frame(thread).interpreter_frame_bci(); }
58 static void set_bcp_and_mdp(address bcp, JavaThread*thread); 58 static void set_bcp_and_mdp(address bcp, JavaThread*thread);
59 static Bytecodes::Code code(JavaThread *thread) { 59 static Bytecodes::Code code(JavaThread *thread) {
60 // pass method to avoid calling unsafe bcp_to_method (partial fix 4926272) 60 // pass method to avoid calling unsafe bcp_to_method (partial fix 4926272)
61 return Bytecodes::code_at(bcp(thread), method(thread)); 61 return Bytecodes::code_at(method(thread), bcp(thread));
62 } 62 }
63 static bool already_resolved(JavaThread *thread) { return cache_entry(thread)->is_resolved(code(thread)); } 63 static bool already_resolved(JavaThread *thread) { return cache_entry(thread)->is_resolved(code(thread)); }
64 static Bytecode* bytecode(JavaThread *thread) { return Bytecode_at(bcp(thread)); } 64 static Bytecode bytecode(JavaThread *thread) { return Bytecode(method(thread), bcp(thread)); }
65 static int get_index_u1(JavaThread *thread, Bytecodes::Code bc) 65 static int get_index_u1(JavaThread *thread, Bytecodes::Code bc)
66 { return bytecode(thread)->get_index_u1(bc); } 66 { return bytecode(thread).get_index_u1(bc); }
67 static int get_index_u2(JavaThread *thread, Bytecodes::Code bc) 67 static int get_index_u2(JavaThread *thread, Bytecodes::Code bc)
68 { return bytecode(thread)->get_index_u2(bc); } 68 { return bytecode(thread).get_index_u2(bc); }
69 static int get_index_u2_cpcache(JavaThread *thread, Bytecodes::Code bc) 69 static int get_index_u2_cpcache(JavaThread *thread, Bytecodes::Code bc)
70 { return bytecode(thread)->get_index_u2_cpcache(bc); } 70 { return bytecode(thread).get_index_u2_cpcache(bc); }
71 static int number_of_dimensions(JavaThread *thread) { return bcp(thread)[3]; } 71 static int number_of_dimensions(JavaThread *thread) { return bcp(thread)[3]; }
72 72
73 static ConstantPoolCacheEntry* cache_entry_at(JavaThread *thread, int i) { return method(thread)->constants()->cache()->entry_at(i); } 73 static ConstantPoolCacheEntry* cache_entry_at(JavaThread *thread, int i) { return method(thread)->constants()->cache()->entry_at(i); }
74 static ConstantPoolCacheEntry* cache_entry(JavaThread *thread) { return cache_entry_at(thread, Bytes::get_native_u2(bcp(thread) + 1)); } 74 static ConstantPoolCacheEntry* cache_entry(JavaThread *thread) { return cache_entry_at(thread, Bytes::get_native_u2(bcp(thread) + 1)); }
75 static void note_trap(JavaThread *thread, int reason, TRAPS); 75 static void note_trap(JavaThread *thread, int reason, TRAPS);