OpenJDK / portola / portola
changeset 52683:9cb53c505acd
8214056: Allow the GC to attach context information to CompiledMethod
Reviewed-by: shade, kvn, adinn
| author | eosterlund |
|---|---|
| date | Thu, 22 Nov 2018 09:55:44 +0100 |
| parents | 8b26bd8b1832 |
| children | 4f45c682eab0 |
| files | src/hotspot/share/code/compiledMethod.cpp src/hotspot/share/code/compiledMethod.hpp |
| diffstat | 2 files changed, 11 insertions(+), 2 deletions(-) [+] |
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--- a/src/hotspot/share/code/compiledMethod.cpp Thu Nov 22 09:46:24 2018 +0100 +++ b/src/hotspot/share/code/compiledMethod.cpp Thu Nov 22 09:55:44 2018 +0100 @@ -44,7 +44,8 @@ bool caller_must_gc_arguments) : CodeBlob(name, type, layout, frame_complete_offset, frame_size, oop_maps, caller_must_gc_arguments), _mark_for_deoptimization_status(not_marked), - _method(method) + _method(method), + _gc_data(NULL) { init_defaults(); } @@ -55,7 +56,8 @@ : CodeBlob(name, type, CodeBlobLayout((address) this, size, header_size, cb), cb, frame_complete_offset, frame_size, oop_maps, caller_must_gc_arguments), _mark_for_deoptimization_status(not_marked), - _method(method) + _method(method), + _gc_data(NULL) { init_defaults(); }
--- a/src/hotspot/share/code/compiledMethod.hpp Thu Nov 22 09:46:24 2018 +0100 +++ b/src/hotspot/share/code/compiledMethod.hpp Thu Nov 22 09:55:44 2018 +0100 @@ -169,6 +169,8 @@ PcDescContainer _pc_desc_container; ExceptionCache * volatile _exception_cache; + void* _gc_data; + virtual void flush() = 0; protected: CompiledMethod(Method* method, const char* name, CompilerType type, const CodeBlobLayout& layout, int frame_complete_offset, int frame_size, ImmutableOopMapSet* oop_maps, bool caller_must_gc_arguments); @@ -177,6 +179,11 @@ public: virtual bool is_compiled() const { return true; } + template<typename T> + T* gc_data() const { return reinterpret_cast<T*>(_gc_data); } + template<typename T> + void set_gc_data(T* gc_data) { _gc_data = reinterpret_cast<void*>(gc_data); } + bool has_unsafe_access() const { return _has_unsafe_access; } void set_has_unsafe_access(bool z) { _has_unsafe_access = z; }