< prev index next > src/hotspot/share/oops/methodData.hpp
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#include "interpreter/bytecodes.hpp"
#include "interpreter/invocationCounter.hpp"
#include "oops/metadata.hpp"
#include "oops/method.hpp"
- #include "oops/oop.hpp"
#include "runtime/atomic.hpp"
#include "runtime/deoptimization.hpp"
#include "runtime/mutex.hpp"
#include "utilities/align.hpp"
#include "utilities/copy.hpp"
}
void release_set_cell_at(int index, intptr_t value);
intptr_t cell_at(int index) const {
return _cells[index];
}
+ intptr_t* cell_at_adr(int index) const {
+ return const_cast<intptr_t*>(&_cells[index]);
+ }
bool set_flag_at(u1 flag_number) {
const u1 bit = 1 << flag_number;
u1 compare_value;
do {
void release_set_intptr_at(int index, intptr_t value);
intptr_t intptr_at(int index) const {
assert(0 <= index && index < cell_count(), "oob");
return data()->cell_at(index);
}
+ intptr_t* intptr_at_adr(int index) const {
+ assert(0 <= index && index < cell_count(), "oob");
+ return data()->cell_at_adr(index);
+ }
void set_uint_at(int index, uint value) {
set_intptr_at(index, (intptr_t) value);
}
void release_set_uint_at(int index, uint value);
uint uint_at(int index) const {
return (int)intptr_at(index);
}
int int_at_unchecked(int index) const {
return (int)data()->cell_at(index);
}
- void set_oop_at(int index, oop value) {
- set_intptr_at(index, cast_from_oop<intptr_t>(value));
- }
- oop oop_at(int index) const {
- return cast_to_oop(intptr_at(index));
- }
void set_flag_at(u1 flag_number) {
data()->set_flag_at(flag_number);
}
bool flag_at(u1 flag_number) const {
virtual void post_initialize(BytecodeStream* stream, MethodData* mdo) {}
// GC support
virtual void clean_weak_klass_links(bool always_clean) {}
! // CI translation: ProfileData can represent both MethodDataOop data
// as well as CIMethodData data. This function is provided for translating
// an oop in a ProfileData to the ci equivalent. Generally speaking,
// most ProfileData don't require any translation, so we provide the null
// translation here, and the required translators are in the ci subclasses.
virtual void translate_from(const ProfileData* data) {}
virtual void post_initialize(BytecodeStream* stream, MethodData* mdo) {}
// GC support
virtual void clean_weak_klass_links(bool always_clean) {}
! // CDS support
+ virtual void metaspace_pointers_do(MetaspaceClosure* it) {}
+
+ // CI translation: ProfileData can represent both MethodDataOop data
// as well as CIMethodData data. This function is provided for translating
// an oop in a ProfileData to the ci equivalent. Generally speaking,
// most ProfileData don't require any translation, so we provide the null
// translation here, and the required translators are in the ci subclasses.
virtual void translate_from(const ProfileData* data) {}
intptr_t type(int i) const {
assert(i >= 0 && i < _number_of_entries, "oob");
return _pd->intptr_at(type_offset_in_cells(i));
}
+ intptr_t* type_adr(int i) const {
+ assert(i >= 0 && i < _number_of_entries, "oob");
+ return _pd->intptr_at_adr(type_offset_in_cells(i));
+ }
+
// set type for entry i
void set_type(int i, intptr_t k) {
assert(i >= 0 && i < _number_of_entries, "oob");
_pd->set_intptr_at(type_offset_in_cells(i), k);
}
}
// GC support
void clean_weak_klass_links(bool always_clean);
+ // CDS support
+ virtual void metaspace_pointers_do(MetaspaceClosure* it);
+
void print_data_on(outputStream* st) const;
};
// Type entry used for return from a call. A single cell to record the
// type.
intptr_t type() const {
return _pd->intptr_at(_base_off);
}
+ intptr_t* type_adr() const {
+ return _pd->intptr_at_adr(_base_off);
+ }
+
void set_type(intptr_t k) {
_pd->set_intptr_at(_base_off, k);
}
static int static_cell_count() {
}
// GC support
void clean_weak_klass_links(bool always_clean);
+ // CDS support
+ virtual void metaspace_pointers_do(MetaspaceClosure* it);
+
void print_data_on(outputStream* st) const;
};
// Entries to collect type information at a call: contains arguments
// (TypeStackSlotEntries), a return type (ReturnTypeEntry) and a
if (has_return()) {
_ret.clean_weak_klass_links(always_clean);
}
}
+ // CDS support
+ virtual void metaspace_pointers_do(MetaspaceClosure* it) {
+ if (has_arguments()) {
+ _args.metaspace_pointers_do(it);
+ }
+ if (has_return()) {
+ _ret.metaspace_pointers_do(it);
+ }
+ }
+
virtual void print_data_on(outputStream* st, const char* extra = nullptr) const;
};
// ReceiverTypeData
//
}
// GC support
virtual void clean_weak_klass_links(bool always_clean);
+ // CDS support
+ virtual void metaspace_pointers_do(MetaspaceClosure* it);
+
void print_receiver_data_on(outputStream* st) const;
void print_data_on(outputStream* st, const char* extra = nullptr) const;
};
// VirtualCallData
if (has_return()) {
_ret.clean_weak_klass_links(always_clean);
}
}
+ // CDS support
+ virtual void metaspace_pointers_do(MetaspaceClosure* it) {
+ ReceiverTypeData::metaspace_pointers_do(it);
+ if (has_arguments()) {
+ _args.metaspace_pointers_do(it);
+ }
+ if (has_return()) {
+ _ret.metaspace_pointers_do(it);
+ }
+ }
+
virtual void print_data_on(outputStream* st, const char* extra = nullptr) const;
};
// RetData
//
}
int array_int_at(int index) const {
int aindex = index + array_start_off_set;
return int_at(aindex);
}
- oop array_oop_at(int index) const {
- int aindex = index + array_start_off_set;
- return oop_at(aindex);
- }
void array_set_int_at(int index, int value) {
int aindex = index + array_start_off_set;
set_int_at(aindex, value);
}
virtual void clean_weak_klass_links(bool always_clean) {
_parameters.clean_weak_klass_links(always_clean);
}
+ // CDS support
+ virtual void metaspace_pointers_do(MetaspaceClosure* it) {
+ _parameters.metaspace_pointers_do(it);
+ }
+
virtual void print_data_on(outputStream* st, const char* extra = nullptr) const;
static ByteSize stack_slot_offset(int i) {
return cell_offset(stack_slot_local_offset(i));
}
static ByteSize method_offset() {
return cell_offset(speculative_trap_method);
}
+ // CDS support
+ virtual void metaspace_pointers_do(MetaspaceClosure* it);
+
virtual void print_data_on(outputStream* st, const char* extra = nullptr) const;
};
// MethodData*
//
int _size;
// Cached hint for bci_to_dp and bci_to_data
int _hint_di;
! Mutex _extra_data_lock;
MethodData(const methodHandle& method);
void initialize();
public:
static MethodData* allocate(ClassLoaderData* loader_data, const methodHandle& method, TRAPS);
virtual bool is_methodData() const { return true; }
// Safely reinitialize the data in the MDO. This is intended as a testing facility as the
int _size;
// Cached hint for bci_to_dp and bci_to_data
int _hint_di;
! Mutex* volatile _extra_data_lock; // FIXME: CDS support
MethodData(const methodHandle& method);
void initialize();
public:
+ MethodData();
+
static MethodData* allocate(ClassLoaderData* loader_data, const methodHandle& method, TRAPS);
virtual bool is_methodData() const { return true; }
// Safely reinitialize the data in the MDO. This is intended as a testing facility as the
friend class JVMCIVMStructs;
uint _nof_decompiles; // count of all nmethod removals
uint _nof_overflow_recompiles; // recompile count, excluding recomp. bits
uint _nof_overflow_traps; // trap count, excluding _trap_hist
union {
intptr_t _align;
// JVMCI separates trap history for OSR compilations from normal compilations
u1 _array[JVMCI_ONLY(2 *) MethodData::_trap_hist_limit];
} _trap_hist;
public:
! CompilerCounters() : _nof_decompiles(0), _nof_overflow_recompiles(0), _nof_overflow_traps(0) {
#ifndef ZERO
// Some Zero platforms do not have expected alignment, and do not use
// this code. static_assert would still fire and fail for them.
static_assert(sizeof(_trap_hist) % HeapWordSize == 0, "align");
#endif
friend class JVMCIVMStructs;
uint _nof_decompiles; // count of all nmethod removals
uint _nof_overflow_recompiles; // recompile count, excluding recomp. bits
uint _nof_overflow_traps; // trap count, excluding _trap_hist
+ uint __gap;
union {
intptr_t _align;
// JVMCI separates trap history for OSR compilations from normal compilations
u1 _array[JVMCI_ONLY(2 *) MethodData::_trap_hist_limit];
} _trap_hist;
public:
! CompilerCounters() : _nof_decompiles(0), _nof_overflow_recompiles(0), _nof_overflow_traps(0), __gap(0) {
#ifndef ZERO
// Some Zero platforms do not have expected alignment, and do not use
// this code. static_assert would still fire and fail for them.
static_assert(sizeof(_trap_hist) % HeapWordSize == 0, "align");
#endif
FailedSpeculation** get_failed_speculations_address() {
return &_failed_speculations;
}
#endif
+ #if INCLUDE_CDS
+ void remove_unshareable_info();
+ void restore_unshareable_info(TRAPS);
+ #endif
+
void set_would_profile(bool p) { _would_profile = p ? profile : no_profile; }
bool would_profile() const { return _would_profile != no_profile; }
int num_loops() const { return _num_loops; }
void set_num_loops(short n) { _num_loops = n; }
static bool profile_parameters();
static bool profile_return_jsr292_only();
void clean_method_data(bool always_clean);
void clean_weak_method_links();
! Mutex* extra_data_lock() const { return const_cast<Mutex*>(&_extra_data_lock); }
void check_extra_data_locked() const NOT_DEBUG_RETURN;
};
#endif // SHARE_OOPS_METHODDATA_HPP
static bool profile_parameters();
static bool profile_return_jsr292_only();
void clean_method_data(bool always_clean);
void clean_weak_method_links();
! Mutex* extra_data_lock();
void check_extra_data_locked() const NOT_DEBUG_RETURN;
};
#endif // SHARE_OOPS_METHODDATA_HPP
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