Mercurial > hg > truffle
comparison src/share/vm/code/codeCache.hpp @ 8864:3c786355ffb4
8009026: [parfait] Null pointer deference in hotspot/src/share/vm/code/nmethod.cpp
Summary: add guarantee() to nmethod constructor and checks to ensure CodeCache has space before allocation
Reviewed-by: kvn
| author | morris |
|---|---|
| date | Sat, 23 Mar 2013 06:22:07 -0700 |
| parents | 9deda4d8e126 |
| children | ebb32c4589f3 a7fb14888912 |
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| 8863:360ce06580b8 | 8864:3c786355ffb4 |
|---|---|
| 154 | 154 |
| 155 // The full limits of the codeCache | 155 // The full limits of the codeCache |
| 156 static address low_bound() { return (address) _heap->low_boundary(); } | 156 static address low_bound() { return (address) _heap->low_boundary(); } |
| 157 static address high_bound() { return (address) _heap->high_boundary(); } | 157 static address high_bound() { return (address) _heap->high_boundary(); } |
| 158 | 158 |
| 159 static bool has_space(int size) { | |
| 160 // Always leave some room in the CodeCache for I2C/C2I adapters | |
| 161 return largest_free_block() > (CodeCacheMinimumFreeSpace + size); | |
| 162 } | |
| 163 | |
| 159 // Profiling | 164 // Profiling |
| 160 static address first_address(); // first address used for CodeBlobs | 165 static address first_address(); // first address used for CodeBlobs |
| 161 static address last_address(); // last address used for CodeBlobs | 166 static address last_address(); // last address used for CodeBlobs |
| 162 static size_t capacity() { return _heap->capacity(); } | 167 static size_t capacity() { return _heap->capacity(); } |
| 163 static size_t max_capacity() { return _heap->max_capacity(); } | 168 static size_t max_capacity() { return _heap->max_capacity(); } |