src/share/vm/code/stubs.hpp
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rev 4202 : 8008555: Debugging code in compiled method sometimes leaks memory
Summary: support for strings that have same life-time as code that uses them.
Reviewed-by:
*** 71,81 ****
class Stub VALUE_OBJ_CLASS_SPEC {
public:
// Initialization/finalization
void initialize(int size,
! CodeComments& comments) { ShouldNotCallThis(); } // called to initialize/specify the stub's size
void finalize() { ShouldNotCallThis(); } // called before the stub is deallocated
// General info/converters
int size() const { ShouldNotCallThis(); return 0; } // must return the size provided by initialize
static int code_size_to_size(int code_size) { ShouldNotCallThis(); return 0; } // computes the size given the code size
--- 71,81 ----
class Stub VALUE_OBJ_CLASS_SPEC {
public:
// Initialization/finalization
void initialize(int size,
! CodeStrings& strings) { ShouldNotCallThis(); } // called to initialize/specify the stub's size
void finalize() { ShouldNotCallThis(); } // called before the stub is deallocated
// General info/converters
int size() const { ShouldNotCallThis(); return 0; } // must return the size provided by initialize
static int code_size_to_size(int code_size) { ShouldNotCallThis(); return 0; } // computes the size given the code size
*** 105,115 ****
class StubInterface: public CHeapObj<mtCode> {
public:
// Initialization/finalization
virtual void initialize(Stub* self, int size,
! CodeComments& comments) = 0; // called after creation (called twice if allocated via (request, commit))
virtual void finalize(Stub* self) = 0; // called before deallocation
// General info/converters
virtual int size(Stub* self) const = 0; // the total size of the stub in bytes (must be a multiple of CodeEntryAlignment)
virtual int code_size_to_size(int code_size) const = 0; // computes the total stub size in bytes given the code size in bytes
--- 105,115 ----
class StubInterface: public CHeapObj<mtCode> {
public:
// Initialization/finalization
virtual void initialize(Stub* self, int size,
! CodeStrings& strings) = 0; // called after creation (called twice if allocated via (request, commit))
virtual void finalize(Stub* self) = 0; // called before deallocation
// General info/converters
virtual int size(Stub* self) const = 0; // the total size of the stub in bytes (must be a multiple of CodeEntryAlignment)
virtual int code_size_to_size(int code_size) const = 0; // computes the total stub size in bytes given the code size in bytes
*** 134,144 ****
static stub* cast(Stub* self) { return (stub*)self; } \
\
public: \
/* Initialization/finalization */ \
virtual void initialize(Stub* self, int size, \
! CodeComments& comments) { cast(self)->initialize(size, comments); } \
virtual void finalize(Stub* self) { cast(self)->finalize(); } \
\
/* General info */ \
virtual int size(Stub* self) const { return cast(self)->size(); } \
virtual int code_size_to_size(int code_size) const { return stub::code_size_to_size(code_size); } \
--- 134,144 ----
static stub* cast(Stub* self) { return (stub*)self; } \
\
public: \
/* Initialization/finalization */ \
virtual void initialize(Stub* self, int size, \
! CodeStrings& strings) { cast(self)->initialize(size, strings); } \
virtual void finalize(Stub* self) { cast(self)->finalize(); } \
\
/* General info */ \
virtual int size(Stub* self) const { return cast(self)->size(); } \
virtual int code_size_to_size(int code_size) const { return stub::code_size_to_size(code_size); } \
*** 174,184 ****
Stub* stub_at(int i) const { check_index(i); return (Stub*)(_stub_buffer + i); }
Stub* current_stub() const { return stub_at(_queue_end); }
// Stub functionality accessed via interface
void stub_initialize(Stub* s, int size,
! CodeComments& comments) { assert(size % CodeEntryAlignment == 0, "size not aligned"); _stub_interface->initialize(s, size, comments); }
void stub_finalize(Stub* s) { _stub_interface->finalize(s); }
int stub_size(Stub* s) const { return _stub_interface->size(s); }
bool stub_contains(Stub* s, address pc) const { return _stub_interface->code_begin(s) <= pc && pc < _stub_interface->code_end(s); }
int stub_code_size_to_size(int code_size) const { return _stub_interface->code_size_to_size(code_size); }
void stub_verify(Stub* s) { _stub_interface->verify(s); }
--- 174,184 ----
Stub* stub_at(int i) const { check_index(i); return (Stub*)(_stub_buffer + i); }
Stub* current_stub() const { return stub_at(_queue_end); }
// Stub functionality accessed via interface
void stub_initialize(Stub* s, int size,
! CodeStrings& strings) { assert(size % CodeEntryAlignment == 0, "size not aligned"); _stub_interface->initialize(s, size, strings); }
void stub_finalize(Stub* s) { _stub_interface->finalize(s); }
int stub_size(Stub* s) const { return _stub_interface->size(s); }
bool stub_contains(Stub* s, address pc) const { return _stub_interface->code_begin(s) <= pc && pc < _stub_interface->code_end(s); }
int stub_code_size_to_size(int code_size) const { return _stub_interface->code_size_to_size(code_size); }
void stub_verify(Stub* s) { _stub_interface->verify(s); }
*** 204,214 ****
// Stub allocation (atomic transactions)
Stub* request_committed(int code_size); // request a stub that provides exactly code_size space for code
Stub* request(int requested_code_size); // request a stub with a (maximum) code space - locks the queue
void commit (int committed_code_size,
! CodeComments& comments); // commit the previously requested stub - unlocks the queue
// Stub deallocation
void remove_first(); // remove the first stub in the queue
void remove_first(int n); // remove the first n stubs in the queue
void remove_all(); // remove all stubs in the queue
--- 204,214 ----
// Stub allocation (atomic transactions)
Stub* request_committed(int code_size); // request a stub that provides exactly code_size space for code
Stub* request(int requested_code_size); // request a stub with a (maximum) code space - locks the queue
void commit (int committed_code_size,
! CodeStrings& strings); // commit the previously requested stub - unlocks the queue
// Stub deallocation
void remove_first(); // remove the first stub in the queue
void remove_first(int n); // remove the first n stubs in the queue
void remove_all(); // remove all stubs in the queue