Mercurial > hg > graal-jvmci-8
comparison src/share/vm/utilities/globalDefinitions.hpp @ 17935:7384f6a12fc1
8038212: Method::is_valid_method() check has performance regression impact for stackwalking
Summary: Only prune metaspace virtual spaces at safepoint so walking them is safe outside a safepoint.
Reviewed-by: mgerdin, mgronlun, hseigel, stefank
| author | coleenp |
|---|---|
| date | Thu, 15 May 2014 18:23:26 -0400 |
| parents | 62c54fcc0a35 |
| children | 78bbf4d43a14 |
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| 17934:366c198c896d | 17935:7384f6a12fc1 |
|---|---|
| 1347 | 1347 |
| 1348 // Dereference vptr | 1348 // Dereference vptr |
| 1349 // All C++ compilers that we know of have the vtbl pointer in the first | 1349 // All C++ compilers that we know of have the vtbl pointer in the first |
| 1350 // word. If there are exceptions, this function needs to be made compiler | 1350 // word. If there are exceptions, this function needs to be made compiler |
| 1351 // specific. | 1351 // specific. |
| 1352 static inline void* dereference_vptr(void* addr) { | 1352 static inline void* dereference_vptr(const void* addr) { |
| 1353 return *(void**)addr; | 1353 return *(void**)addr; |
| 1354 } | 1354 } |
| 1355 | 1355 |
| 1356 | 1356 |
| 1357 #ifndef PRODUCT | 1357 #ifndef PRODUCT |