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6939930: exception unwind changes in 6919934 hurts compilation speed

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Reviewed-by: twisti
This commit is contained in:
Tom Rodriguez 2010-04-15 18:14:49 -07:00
parent a1446b775d
commit 98ee92e724
14 changed files with 208 additions and 101 deletions
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4
hotspot/src/share/vm/code/nmethod.hpp
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@ -154,6 +154,9 @@ class nmethod : public CodeBlob {
// All deoptee's at a MethodHandle call site will resume execution
// at this location described by this offset.
int _deoptimize_mh_offset;
// Offset of the unwind handler if it exists
int _unwind_handler_offset;
#ifdef HAVE_DTRACE_H
int _trap_offset;
#endif // def HAVE_DTRACE_H
@ -341,6 +344,7 @@ class nmethod : public CodeBlob {
address exception_begin () const { return header_begin() + _exception_offset ; }
address deopt_handler_begin () const { return header_begin() + _deoptimize_offset ; }
address deopt_mh_handler_begin() const { return header_begin() + _deoptimize_mh_offset ; }
address unwind_handler_begin () const { return _unwind_handler_offset != -1 ? (header_begin() + _unwind_handler_offset) : NULL; }
address stub_begin () const { return header_begin() + _stub_offset ; }
address stub_end () const { return header_begin() + _consts_offset ; }
address consts_begin () const { return header_begin() + _consts_offset ; }