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6910618: C2: Error: assert(d->is_oop(),"JVM_ArrayCopy: dst not an oop")

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Mark in PcDesc call sites which return oop and save the result oop across objects reallocation during deoptimization.

Reviewed-by: never
This commit is contained in:
Vladimir Kozlov 2010-02-09 01:31:13 -08:00
parent 3f7a94c3f2
commit 22409a5704
12 changed files with 133 additions and 11 deletions
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4
hotspot/src/share/vm/code/pcDesc.hpp
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@ -39,6 +39,7 @@ class PcDesc VALUE_OBJ_CLASS_SPEC {
struct {
unsigned int reexecute: 1;
unsigned int is_method_handle_invoke: 1;
unsigned int return_oop: 1;
} bits;
bool operator ==(const PcDescFlags& other) { return word == other.word; }
} _flags;
@ -76,6 +77,9 @@ class PcDesc VALUE_OBJ_CLASS_SPEC {
bool is_method_handle_invoke() const { return _flags.bits.is_method_handle_invoke; }
void set_is_method_handle_invoke(bool z) { _flags.bits.is_method_handle_invoke = z; }
bool return_oop() const { return _flags.bits.return_oop; }
void set_return_oop(bool z) { _flags.bits.return_oop = z; }
// Returns the real pc
address real_pc(const nmethod* code) const;