Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/classfile/classFileParser.cpp
src/share/vm/classfile/classFileParser.cpp
- changeset 4431
- f9eb431c3efe
- parent 4422
- adc176e95bf2
- child 4432
- 5b6a231e5a86
equal
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replaced
| 4429:90a92d5bca17 | 4431:f9eb431c3efe |
|---|---|
| 57 #include "runtime/signature.hpp" | 57 #include "runtime/signature.hpp" |
| 58 #include "runtime/timer.hpp" | 58 #include "runtime/timer.hpp" |
| 59 #include "services/classLoadingService.hpp" | 59 #include "services/classLoadingService.hpp" |
| 60 #include "services/threadService.hpp" | 60 #include "services/threadService.hpp" |
| 61 #include "utilities/array.hpp" | 61 #include "utilities/array.hpp" |
| 62 #include "utilities/globalDefinitions.hpp" | |
| 62 | 63 |
| 63 // We generally try to create the oops directly when parsing, rather than | 64 // We generally try to create the oops directly when parsing, rather than |
| 64 // allocating temporary data structures and copying the bytes twice. A | 65 // allocating temporary data structures and copying the bytes twice. A |
| 65 // temporary area is only needed when parsing utf8 entries in the constant | 66 // temporary area is only needed when parsing utf8 entries in the constant |
| 66 // pool and when parsing line number tables. | 67 // pool and when parsing line number tables. |
| 2146 parse_checked_exceptions(&checked_exceptions_length, | 2147 parse_checked_exceptions(&checked_exceptions_length, |
| 2147 method_attribute_length, | 2148 method_attribute_length, |
| 2148 cp, CHECK_(nullHandle)); | 2149 cp, CHECK_(nullHandle)); |
| 2149 } else if (method_attribute_name == vmSymbols::tag_method_parameters()) { | 2150 } else if (method_attribute_name == vmSymbols::tag_method_parameters()) { |
| 2150 method_parameters_length = cfs->get_u1_fast(); | 2151 method_parameters_length = cfs->get_u1_fast(); |
| 2152 // Track the actual size (note: this is written for clarity; a | |
| 2153 // decent compiler will CSE and constant-fold this into a single | |
| 2154 // expression) | |
| 2155 u2 actual_size = 1; | |
| 2151 method_parameters_data = cfs->get_u1_buffer(); | 2156 method_parameters_data = cfs->get_u1_buffer(); |
| 2157 actual_size += 2 * method_parameters_length; | |
| 2152 cfs->skip_u2_fast(method_parameters_length); | 2158 cfs->skip_u2_fast(method_parameters_length); |
| 2159 actual_size += 4 * method_parameters_length; | |
| 2153 cfs->skip_u4_fast(method_parameters_length); | 2160 cfs->skip_u4_fast(method_parameters_length); |
| 2161 // Enforce attribute length | |
| 2162 if (method_attribute_length != actual_size) { | |
| 2163 classfile_parse_error( | |
| 2164 "Invalid MethodParameters method attribute length %u in class file %s", | |
| 2165 method_attribute_length, CHECK_(nullHandle)); | |
| 2166 } | |
| 2154 // ignore this attribute if it cannot be reflected | 2167 // ignore this attribute if it cannot be reflected |
| 2155 if (!SystemDictionary::Parameter_klass_loaded()) | 2168 if (!SystemDictionary::Parameter_klass_loaded()) |
| 2156 method_parameters_length = 0; | 2169 method_parameters_length = 0; |
| 2157 } else if (method_attribute_name == vmSymbols::tag_synthetic()) { | 2170 } else if (method_attribute_name == vmSymbols::tag_synthetic()) { |
| 2158 if (method_attribute_length != 0) { | 2171 if (method_attribute_length != 0) { |
| 2295 MethodParametersElement* elem = m->constMethod()->method_parameters_start(); | 2308 MethodParametersElement* elem = m->constMethod()->method_parameters_start(); |
| 2296 for(int i = 0; i < method_parameters_length; i++) { | 2309 for(int i = 0; i < method_parameters_length; i++) { |
| 2297 elem[i].name_cp_index = | 2310 elem[i].name_cp_index = |
| 2298 Bytes::get_Java_u2(method_parameters_data); | 2311 Bytes::get_Java_u2(method_parameters_data); |
| 2299 method_parameters_data += 2; | 2312 method_parameters_data += 2; |
| 2300 elem[i].flags = Bytes::get_Java_u4(method_parameters_data); | 2313 u4 flags = Bytes::get_Java_u4(method_parameters_data); |
| 2314 // This caused an alignment fault on Sparc, if flags was a u4 | |
| 2315 elem[i].flags_lo = extract_low_short_from_int(flags); | |
| 2316 elem[i].flags_hi = extract_high_short_from_int(flags); | |
| 2301 method_parameters_data += 4; | 2317 method_parameters_data += 4; |
| 2302 } | 2318 } |
| 2303 } | 2319 } |
| 2304 | 2320 |
| 2305 // Copy checked exceptions | 2321 // Copy checked exceptions |
