Mercurial > hg > graal-jvmci-8
diff src/share/vm/code/nmethod.hpp @ 2019:09b4dd4f152b
7004582: Add GetThisObject() function to JVMTI 1.2
Summary: Add 'GetThisObject' function
Reviewed-by: never, coleenp
author | kamg |
---|---|
date | Thu, 09 Dec 2010 15:04:26 -0500 |
parents | f95d63e2154a |
children | 06f017f7daa7 bf8517f4e4d0 |
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--- a/src/share/vm/code/nmethod.hpp Thu Dec 09 17:53:22 2010 +0300 +++ b/src/share/vm/code/nmethod.hpp Thu Dec 09 15:04:26 2010 -0500 @@ -210,7 +210,7 @@ ExceptionCache *_exception_cache; PcDescCache _pc_desc_cache; - // These are only used for compiled synchronized native methods to + // These are used for compiled synchronized native methods to // locate the owner and stack slot for the BasicLock so that we can // properly revoke the bias of the owner if necessary. They are // needed because there is no debug information for compiled native @@ -220,8 +220,10 @@ // sharing between platforms. Note that currently biased locking // will never cause Class instances to be biased but this code // handles the static synchronized case as well. - ByteSize _compiled_synchronized_native_basic_lock_owner_sp_offset; - ByteSize _compiled_synchronized_native_basic_lock_sp_offset; + // JVMTI's GetLocalInstance() also uses these offsets to find the receiver + // for non-static native wrapper frames. + ByteSize _native_receiver_sp_offset; + ByteSize _native_basic_lock_sp_offset; friend class nmethodLocker; @@ -676,11 +678,11 @@ bool is_patchable_at(address instr_address); // UseBiasedLocking support - ByteSize compiled_synchronized_native_basic_lock_owner_sp_offset() { - return _compiled_synchronized_native_basic_lock_owner_sp_offset; + ByteSize native_receiver_sp_offset() { + return _native_receiver_sp_offset; } - ByteSize compiled_synchronized_native_basic_lock_sp_offset() { - return _compiled_synchronized_native_basic_lock_sp_offset; + ByteSize native_basic_lock_sp_offset() { + return _native_basic_lock_sp_offset; } // support for code generation