Mercurial > hg > truffle
diff 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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--- a/src/share/vm/code/codeCache.hpp Fri Mar 22 13:35:31 2013 -0400 +++ b/src/share/vm/code/codeCache.hpp Sat Mar 23 06:22:07 2013 -0700 @@ -156,6 +156,11 @@ static address low_bound() { return (address) _heap->low_boundary(); } static address high_bound() { return (address) _heap->high_boundary(); } + static bool has_space(int size) { + // Always leave some room in the CodeCache for I2C/C2I adapters + return largest_free_block() > (CodeCacheMinimumFreeSpace + size); + } + // Profiling static address first_address(); // first address used for CodeBlobs static address last_address(); // last address used for CodeBlobs