archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-20 19:14:38 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8003635: NPG: AsynchGetCallTrace broken by Method* virtual call

Browse source 
Make metaspace::contains be lock free and used to see if something is in metaspace, also compare Method* with vtbl pointer.

Reviewed-by: dholmes, sspitsyn, dcubed, jmasa
This commit is contained in:
Coleen Phillimore 2012-11-28 17:50:21 -05:00
parent 696ef20cb4
commit 6538c5134b
14 changed files with 60 additions and 80 deletions
Download patch file Download diff file Expand all files Collapse all files

8
hotspot/src/share/vm/utilities/globalDefinitions.hpp
View file

@ -1280,4 +1280,12 @@ inline int build_int_from_shorts( jushort low, jushort high ) {
#define ARRAY_SIZE(array) (sizeof(array)/sizeof((array)[0]))
// Dereference vptr
// All C++ compilers that we know of have the vtbl pointer in the first
// word. If there are exceptions, this function needs to be made compiler
// specific.
static inline void* dereference_vptr(void* addr) {
return *(void**)addr;
}
#endif // SHARE_VM_UTILITIES_GLOBALDEFINITIONS_HPP