7172967: Eliminate constMethod's _method backpointer to methodOop.
Summary: Eliminate constMethod's _method backpointer to methodOop, and move the _constant field from methodOop to constMethod.
Reviewed-by: roland, bdelsart, kamg
/*
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* Copyright 2007, 2008, 2009, 2010, 2011 Red Hat, Inc.
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* published by the Free Software Foundation.
*
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
#include "precompiled.hpp"
#include "asm/assembler.hpp"
#include "assembler_zero.inline.hpp"
#include "code/debugInfoRec.hpp"
#include "code/icBuffer.hpp"
#include "code/vtableStubs.hpp"
#include "interpreter/interpreter.hpp"
#include "oops/compiledICHolderOop.hpp"
#include "prims/jvmtiRedefineClassesTrace.hpp"
#include "runtime/sharedRuntime.hpp"
#include "runtime/vframeArray.hpp"
#include "vmreg_zero.inline.hpp"
#ifdef COMPILER1
#include "c1/c1_Runtime1.hpp"
#endif
#ifdef COMPILER2
#include "opto/runtime.hpp"
#endif
#ifdef SHARK
#include "compiler/compileBroker.hpp"
#include "shark/sharkCompiler.hpp"
#endif
int SharedRuntime::java_calling_convention(const BasicType *sig_bt,
VMRegPair *regs,
int total_args_passed,
int is_outgoing) {
return 0;
}
AdapterHandlerEntry* SharedRuntime::generate_i2c2i_adapters(
MacroAssembler *masm,
int total_args_passed,
int comp_args_on_stack,
const BasicType *sig_bt,
const VMRegPair *regs,
AdapterFingerPrint *fingerprint) {
return AdapterHandlerLibrary::new_entry(
fingerprint,
ShouldNotCallThisStub(),
ShouldNotCallThisStub(),
ShouldNotCallThisStub());
}
nmethod *SharedRuntime::generate_native_wrapper(MacroAssembler *masm,
methodHandle method,
int compile_id,
int total_args_passed,
int max_arg,
BasicType *sig_bt,
VMRegPair *regs,
BasicType ret_type) {
#ifdef SHARK
return SharkCompiler::compiler()->generate_native_wrapper(masm,
method,
compile_id,
sig_bt,
ret_type);
#else
ShouldNotCallThis();
#endif // SHARK
}
int Deoptimization::last_frame_adjust(int callee_parameters,
int callee_locals) {
return 0;
}
uint SharedRuntime::out_preserve_stack_slots() {
ShouldNotCallThis();
}
static RuntimeStub* generate_empty_runtime_stub(const char* name) {
CodeBuffer buffer(name, 0, 0);
return RuntimeStub::new_runtime_stub(name, &buffer, 0, 0, NULL, false);
}
static SafepointBlob* generate_empty_safepoint_blob() {
CodeBuffer buffer("handler_blob", 0, 0);
return SafepointBlob::create(&buffer, NULL, 0);
}
static DeoptimizationBlob* generate_empty_deopt_blob() {
CodeBuffer buffer("handler_blob", 0, 0);
return DeoptimizationBlob::create(&buffer, NULL, 0, 0, 0, 0);
}
void SharedRuntime::generate_deopt_blob() {
_deopt_blob = generate_empty_deopt_blob();
}
SafepointBlob* SharedRuntime::generate_handler_blob(address call_ptr, bool cause_return) {
return generate_empty_safepoint_blob();
}
RuntimeStub* SharedRuntime::generate_resolve_blob(address destination, const char* name) {
return generate_empty_runtime_stub("resolve_blob");
}
int SharedRuntime::c_calling_convention(const BasicType *sig_bt,
VMRegPair *regs,
int total_args_passed) {
ShouldNotCallThis();
}