Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/interpreter/bytecodeStream.cpp
src/share/vm/interpreter/bytecodeStream.cpp
- changeset 848
- c7ec737733a6
- parent 435
- a61af66fc99e
- child 905
- ad8c8ca4ab0f
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| 845:8fb16f199266 | 848:c7ec737733a6 |
|---|---|
| 26 # include "incls/_bytecodeStream.cpp.incl" | 26 # include "incls/_bytecodeStream.cpp.incl" |
| 27 | 27 |
| 28 Bytecodes::Code RawBytecodeStream::raw_next_special(Bytecodes::Code code) { | 28 Bytecodes::Code RawBytecodeStream::raw_next_special(Bytecodes::Code code) { |
| 29 assert(!is_last_bytecode(), "should have been checked"); | 29 assert(!is_last_bytecode(), "should have been checked"); |
| 30 // set next bytecode position | 30 // set next bytecode position |
| 31 address bcp = RawBytecodeStream::bcp(); | 31 address bcp = RawBytecodeStream::bcp(); |
| 32 int l = Bytecodes::raw_special_length_at(bcp); | 32 address end = method()->code_base() + end_bci(); |
| 33 int l = Bytecodes::raw_special_length_at(bcp, end); | |
| 33 if (l <= 0 || (_bci + l) > _end_bci) { | 34 if (l <= 0 || (_bci + l) > _end_bci) { |
| 34 code = Bytecodes::_illegal; | 35 code = Bytecodes::_illegal; |
| 35 } else { | 36 } else { |
| 36 _next_bci += l; | 37 _next_bci += l; |
| 37 assert(_bci < _next_bci, "length must be > 0"); | 38 assert(_bci < _next_bci, "length must be > 0"); |
| 38 // set attributes | 39 // set attributes |
| 39 _is_wide = false; | 40 _is_wide = false; |
| 40 // check for special (uncommon) cases | 41 // check for special (uncommon) cases |
| 41 if (code == Bytecodes::_wide) { | 42 if (code == Bytecodes::_wide) { |
| 42 code = (Bytecodes::Code)bcp[1]; | 43 if (bcp + 1 >= end) { |
| 43 _is_wide = true; | 44 code = Bytecodes::_illegal; |
| 45 } else { | |
| 46 code = (Bytecodes::Code)bcp[1]; | |
| 47 _is_wide = true; | |
| 48 } | |
| 44 } | 49 } |
| 45 } | 50 } |
| 46 _code = code; | 51 _code = code; |
| 47 return code; | 52 return code; |
| 48 } | 53 } |
