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8151956: Support non-continuous CodeBlobs in HotSpot

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Reviewed-by: iveresov, thartmann, simonis
This commit is contained in:
Rickard Bäckman 2016-04-26 10:28:51 +02:00
parent 67ff4391ec
commit b853eb7f5c
100 changed files with 2486 additions and 1868 deletions
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7
hotspot/src/share/vm/oops/method.hpp
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@ -58,6 +58,7 @@ class MethodCounters;
class ConstMethod;
class InlineTableSizes;
class KlassSizeStats;
class CompiledMethod;
class Method : public Metadata {
friend class VMStructs;
@ -101,7 +102,7 @@ class Method : public Metadata {
// field can come and go. It can transition from NULL to not-null at any
// time (whenever a compile completes). It can transition from not-null to
// NULL only at safepoints (because of a de-opt).
nmethod* volatile _code; // Points to the corresponding piece of native code
CompiledMethod* volatile _code; // Points to the corresponding piece of native code
volatile address _from_interpreted_entry; // Cache of _code ? _adapter->i2c_entry() : _i2i_entry
// Constructor
@ -431,9 +432,9 @@ class Method : public Metadata {
// nmethod/verified compiler entry
address verified_code_entry();
bool check_code() const; // Not inline to avoid circular ref
nmethod* volatile code() const { assert( check_code(), "" ); return (nmethod *)OrderAccess::load_ptr_acquire(&_code); }
CompiledMethod* volatile code() const { assert( check_code(), "" ); return (CompiledMethod *)OrderAccess::load_ptr_acquire(&_code); }
void clear_code(); // Clear out any compiled code
static void set_code(methodHandle mh, nmethod* code);
static void set_code(methodHandle mh, CompiledMethod* code);
void set_adapter_entry(AdapterHandlerEntry* adapter) {
constMethod()->set_adapter_entry(adapter);
}