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comparison src/share/vm/oops/methodOop.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 3582bf76420e
comparison
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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.
194 194
195 // Static routine in the situations we don't have a methodOop 195 // Static routine in the situations we don't have a methodOop
196 static char* name_and_sig_as_C_string(Klass* klass, symbolOop method_name, symbolOop signature); 196 static char* name_and_sig_as_C_string(Klass* klass, symbolOop method_name, symbolOop signature);
197 static char* name_and_sig_as_C_string(Klass* klass, symbolOop method_name, symbolOop signature, char* buf, int size); 197 static char* name_and_sig_as_C_string(Klass* klass, symbolOop method_name, symbolOop signature, char* buf, int size);
198 198
199 Bytecodes::Code java_code_at(int bci) const {
200 return Bytecodes::java_code_at(this, bcp_from(bci));
201 }
202 Bytecodes::Code code_at(int bci) const {
203 return Bytecodes::code_at(this, bcp_from(bci));
204 }
205
199 // JVMTI breakpoints 206 // JVMTI breakpoints
200 Bytecodes::Code orig_bytecode_at(int bci); 207 Bytecodes::Code orig_bytecode_at(int bci) const;
201 void set_orig_bytecode_at(int bci, Bytecodes::Code code); 208 void set_orig_bytecode_at(int bci, Bytecodes::Code code);
202 void set_breakpoint(int bci); 209 void set_breakpoint(int bci);
203 void clear_breakpoint(int bci); 210 void clear_breakpoint(int bci);
204 void clear_all_breakpoints(); 211 void clear_all_breakpoints();
205 // Tracking number of breakpoints, for fullspeed debugging. 212 // Tracking number of breakpoints, for fullspeed debugging.
652 659
653 // Background compilation support 660 // Background compilation support
654 bool queued_for_compilation() const { return access_flags().queued_for_compilation(); } 661 bool queued_for_compilation() const { return access_flags().queued_for_compilation(); }
655 void set_queued_for_compilation() { _access_flags.set_queued_for_compilation(); } 662 void set_queued_for_compilation() { _access_flags.set_queued_for_compilation(); }
656 void clear_queued_for_compilation() { _access_flags.clear_queued_for_compilation(); } 663 void clear_queued_for_compilation() { _access_flags.clear_queued_for_compilation(); }
657
658 static methodOop method_from_bcp(address bcp);
659 664
660 // Resolve all classes in signature, return 'true' if successful 665 // Resolve all classes in signature, return 'true' if successful
661 static bool load_signature_classes(methodHandle m, TRAPS); 666 static bool load_signature_classes(methodHandle m, TRAPS);
662 667
663 // Return if true if not all classes references in signature, including return type, has been loaded 668 // Return if true if not all classes references in signature, including return type, has been loaded
785 790
786 BreakpointInfo* next() const { return _next; } 791 BreakpointInfo* next() const { return _next; }
787 void set_next(BreakpointInfo* n) { _next = n; } 792 void set_next(BreakpointInfo* n) { _next = n; }
788 793
789 // helps for searchers 794 // helps for searchers
790 bool match(methodOop m, int bci) { 795 bool match(const methodOopDesc* m, int bci) {
791 return bci == _bci && match(m); 796 return bci == _bci && match(m);
792 } 797 }
793 798
794 bool match(methodOop m) { 799 bool match(const methodOopDesc* m) {
795 return _name_index == m->name_index() && 800 return _name_index == m->name_index() &&
796 _signature_index == m->signature_index(); 801 _signature_index == m->signature_index();
797 } 802 }
798 803
799 void set(methodOop method); 804 void set(methodOop method);