Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/classfile/classFileStream.cpp
src/share/vm/classfile/classFileStream.cpp
- changeset 9931
- fd44df5e3bc3
- parent 7535
- 7ae4e26cb1e0
- parent 9858
- b985cbb00e68
equal
deleted
inserted
replaced
| 9855:274a1ea904c8 | 9931:fd44df5e3bc3 |
|---|---|
| 28 | 28 |
| 29 void ClassFileStream::truncated_file_error(TRAPS) { | 29 void ClassFileStream::truncated_file_error(TRAPS) { |
| 30 THROW_MSG(vmSymbols::java_lang_ClassFormatError(), "Truncated class file"); | 30 THROW_MSG(vmSymbols::java_lang_ClassFormatError(), "Truncated class file"); |
| 31 } | 31 } |
| 32 | 32 |
| 33 ClassFileStream::ClassFileStream(u1* buffer, int length, const char* source) { | 33 ClassFileStream::ClassFileStream(u1* buffer, int length, const char* source, bool need_verify) { |
| 34 _buffer_start = buffer; | 34 _buffer_start = buffer; |
| 35 _buffer_end = buffer + length; | 35 _buffer_end = buffer + length; |
| 36 _current = buffer; | 36 _current = buffer; |
| 37 _source = source; | 37 _source = source; |
| 38 _need_verify = false; | 38 _need_verify = need_verify; |
| 39 } | 39 } |
| 40 | 40 |
| 41 u1 ClassFileStream::get_u1(TRAPS) { | 41 u1 ClassFileStream::get_u1(TRAPS) { |
| 42 if (_need_verify) { | 42 if (_need_verify) { |
| 43 guarantee_more(1, CHECK_0); | 43 guarantee_more(1, CHECK_0); |
| 98 if (_need_verify) { | 98 if (_need_verify) { |
| 99 guarantee_more(length * 4, CHECK); | 99 guarantee_more(length * 4, CHECK); |
| 100 } | 100 } |
| 101 _current += length * 4; | 101 _current += length * 4; |
| 102 } | 102 } |
| 103 | |
| 104 #if INCLUDE_JFR | |
| 105 | |
| 106 u1* ClassFileStream::clone_buffer() const { | |
| 107 u1* const new_buffer_start = NEW_RESOURCE_ARRAY(u1, length()); | |
| 108 memcpy(new_buffer_start, _buffer_start, length()); | |
| 109 return new_buffer_start; | |
| 110 } | |
| 111 | |
| 112 const char* const ClassFileStream::clone_source() const { | |
| 113 const char* const src = source(); | |
| 114 char* source_copy = NULL; | |
| 115 if (src != NULL) { | |
| 116 size_t source_len = strlen(src); | |
| 117 source_copy = NEW_RESOURCE_ARRAY(char, source_len + 1); | |
| 118 strncpy(source_copy, src, source_len + 1); | |
| 119 } | |
| 120 return source_copy; | |
| 121 } | |
| 122 | |
| 123 ClassFileStream* ClassFileStream::clone() const { | |
| 124 u1* const new_buffer_start = clone_buffer(); | |
| 125 return new ClassFileStream(new_buffer_start, | |
| 126 length(), | |
| 127 clone_source(), | |
| 128 need_verify()); | |
| 129 } | |
| 130 #endif // INCLUDE_JFR |
