153 // Get an unsigned 2-byte index, with no swapping of bytes.
154 int get_index_u2() const { assert(!is_wide(), ""); return get_index_u2_raw(bcp() + 1); }
155
156 private:
157 int get_index_u2_raw(address p) const {
158 assert_raw_index_size(2); assert_raw_stream(true);
159 return Bytes::get_Java_u2(p);
160 }
161 };
162
163 // In BytecodeStream, non-java bytecodes will be translated into the
164 // corresponding java bytecodes.
165
166 class BytecodeStream: public BaseBytecodeStream {
167 Bytecodes::Code _code;
168
169 public:
170 // Construction
171 BytecodeStream(const methodHandle& method) : BaseBytecodeStream(method) { }
172
173 // Iteration
174 Bytecodes::Code next() {
175 Bytecodes::Code raw_code, code;
176 // set reading position
177 _bci = _next_bci;
178 if (is_last_bytecode()) {
179 // indicate end of bytecode stream
180 raw_code = code = Bytecodes::_illegal;
181 } else {
182 // get bytecode
183 address bcp = this->bcp();
184 raw_code = Bytecodes::code_at(_method(), bcp);
185 code = Bytecodes::java_code(raw_code);
186 // set next bytecode position
187 //
188 // note that we cannot advance before having the
189 // tty bytecode otherwise the stepping is wrong!
190 // (carefull: length_for(...) must be used first!)
191 int len = Bytecodes::length_for(code);
192 if (len == 0) len = Bytecodes::length_at(_method(), bcp);
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153 // Get an unsigned 2-byte index, with no swapping of bytes.
154 int get_index_u2() const { assert(!is_wide(), ""); return get_index_u2_raw(bcp() + 1); }
155
156 private:
157 int get_index_u2_raw(address p) const {
158 assert_raw_index_size(2); assert_raw_stream(true);
159 return Bytes::get_Java_u2(p);
160 }
161 };
162
163 // In BytecodeStream, non-java bytecodes will be translated into the
164 // corresponding java bytecodes.
165
166 class BytecodeStream: public BaseBytecodeStream {
167 Bytecodes::Code _code;
168
169 public:
170 // Construction
171 BytecodeStream(const methodHandle& method) : BaseBytecodeStream(method) { }
172
173 BytecodeStream(const methodHandle& method, int bci) : BaseBytecodeStream(method) {
174 set_start(bci);
175 }
176
177 // Iteration
178 Bytecodes::Code next() {
179 Bytecodes::Code raw_code, code;
180 // set reading position
181 _bci = _next_bci;
182 if (is_last_bytecode()) {
183 // indicate end of bytecode stream
184 raw_code = code = Bytecodes::_illegal;
185 } else {
186 // get bytecode
187 address bcp = this->bcp();
188 raw_code = Bytecodes::code_at(_method(), bcp);
189 code = Bytecodes::java_code(raw_code);
190 // set next bytecode position
191 //
192 // note that we cannot advance before having the
193 // tty bytecode otherwise the stepping is wrong!
194 // (carefull: length_for(...) must be used first!)
195 int len = Bytecodes::length_for(code);
196 if (len == 0) len = Bytecodes::length_at(_method(), bcp);
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