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7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters

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Reviewed-by: twisti, kvn, jrose
This commit is contained in:
Tom Rodriguez 2011-06-14 14:41:33 -07:00
parent bb3a527f9a
commit 0c0705ca8c
8 changed files with 105 additions and 57 deletions
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8
hotspot/src/share/vm/prims/methodHandles.hpp
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@ -581,12 +581,16 @@ class MethodHandles: AllStatic {
GC_JVM_PUSH_LIMIT = 0,
GC_JVM_STACK_MOVE_UNIT = 1,
GC_CONV_OP_IMPLEMENTED_MASK = 2,
GC_OP_ROT_ARGS_DOWN_LIMIT_BIAS = 3,
// format of result from getTarget / encode_target:
ETF_HANDLE_OR_METHOD_NAME = 0, // all available data (immediate MH or method)
ETF_DIRECT_HANDLE = 1, // ultimate method handle (will be a DMH, may be self)
ETF_METHOD_NAME = 2, // ultimate method as MemberName
ETF_REFLECT_METHOD = 3 // ultimate method as java.lang.reflect object (sans refClass)
ETF_REFLECT_METHOD = 3, // ultimate method as java.lang.reflect object (sans refClass)
// ad hoc constants
OP_ROT_ARGS_DOWN_LIMIT_BIAS = -1
};
static int get_named_constant(int which, Handle name_box, TRAPS);
static oop encode_target(Handle mh, int format, TRAPS); // report vmtarget (to Java code)
@ -828,7 +832,7 @@ address MethodHandles::from_interpreted_entry(EntryKind ek) { return entry(ek)->
//
class MethodHandlesAdapterGenerator : public StubCodeGenerator {
public:
MethodHandlesAdapterGenerator(CodeBuffer* code) : StubCodeGenerator(code) {}
MethodHandlesAdapterGenerator(CodeBuffer* code) : StubCodeGenerator(code, PrintMethodHandleStubs) {}
void generate();
};