< prev index next >

src/hotspot/cpu/x86/interpreterRT_x86_32.cpp

Print this page


   1 /*
   2  * Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "interpreter/interp_masm.hpp"
  27 #include "interpreter/interpreter.hpp"
  28 #include "interpreter/interpreterRuntime.hpp"
  29 #include "memory/allocation.inline.hpp"

  30 #include "oops/method.hpp"
  31 #include "oops/oop.inline.hpp"
  32 #include "runtime/handles.inline.hpp"
  33 #include "runtime/icache.hpp"
  34 #include "runtime/interfaceSupport.inline.hpp"
  35 #include "runtime/signature.hpp"
  36 
  37 
  38 #define __ _masm->
  39 
  40 
  41 // Implementation of SignatureHandlerGenerator
  42 InterpreterRuntime::SignatureHandlerGenerator::SignatureHandlerGenerator(const methodHandle& method, CodeBuffer* buffer) :
  43     NativeSignatureIterator(method) {
  44   _masm = new MacroAssembler(buffer);
  45 #ifdef AMD64
  46 #ifdef _WIN64
  47   _num_args = (method->is_static() ? 1 : 0);
  48   _stack_offset = (Argument::n_int_register_parameters_c+1)* wordSize; // don't overwrite return address
  49 #else


 129     _to[1] = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(0));
 130     _to += 2;
 131     _from -= 2*Interpreter::stackElementSize;
 132   }
 133 
 134   virtual void pass_object() {
 135     // pass address of from
 136     intptr_t from_addr = (intptr_t)(_from + Interpreter::local_offset_in_bytes(0));
 137     *_to++ = (*(intptr_t*)from_addr == 0) ? NULL_WORD : from_addr;
 138     _from -= Interpreter::stackElementSize;
 139    }
 140 
 141  public:
 142   SlowSignatureHandler(const methodHandle& method, address from, intptr_t* to) :
 143     NativeSignatureIterator(method) {
 144     _from = from;
 145     _to   = to + (is_static() ? 2 : 1);
 146   }
 147 };
 148 
 149 JRT_ENTRY(address, InterpreterRuntime::slow_signature_handler(JavaThread* thread, Method* method, intptr_t* from, intptr_t* to))
 150   methodHandle m(thread, (Method*)method);
 151   assert(m->is_native(), "sanity check");
 152   // handle arguments
 153   SlowSignatureHandler(m, (address)from, to + 1).iterate((uint64_t)CONST64(-1));
 154   // return result handler
 155   return Interpreter::result_handler(m->result_type());
 156 JRT_END
   1 /*
   2  * Copyright (c) 1998, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "interpreter/interp_masm.hpp"
  27 #include "interpreter/interpreter.hpp"
  28 #include "interpreter/interpreterRuntime.hpp"
  29 #include "memory/allocation.inline.hpp"
  30 #include "memory/universe.hpp"
  31 #include "oops/method.hpp"
  32 #include "oops/oop.inline.hpp"
  33 #include "runtime/handles.inline.hpp"
  34 #include "runtime/icache.hpp"
  35 #include "runtime/interfaceSupport.inline.hpp"
  36 #include "runtime/signature.hpp"
  37 
  38 
  39 #define __ _masm->
  40 
  41 
  42 // Implementation of SignatureHandlerGenerator
  43 InterpreterRuntime::SignatureHandlerGenerator::SignatureHandlerGenerator(const methodHandle& method, CodeBuffer* buffer) :
  44     NativeSignatureIterator(method) {
  45   _masm = new MacroAssembler(buffer);
  46 #ifdef AMD64
  47 #ifdef _WIN64
  48   _num_args = (method->is_static() ? 1 : 0);
  49   _stack_offset = (Argument::n_int_register_parameters_c+1)* wordSize; // don't overwrite return address
  50 #else


 130     _to[1] = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(0));
 131     _to += 2;
 132     _from -= 2*Interpreter::stackElementSize;
 133   }
 134 
 135   virtual void pass_object() {
 136     // pass address of from
 137     intptr_t from_addr = (intptr_t)(_from + Interpreter::local_offset_in_bytes(0));
 138     *_to++ = (*(intptr_t*)from_addr == 0) ? NULL_WORD : from_addr;
 139     _from -= Interpreter::stackElementSize;
 140    }
 141 
 142  public:
 143   SlowSignatureHandler(const methodHandle& method, address from, intptr_t* to) :
 144     NativeSignatureIterator(method) {
 145     _from = from;
 146     _to   = to + (is_static() ? 2 : 1);
 147   }
 148 };
 149 
 150 IRT_ENTRY(address, InterpreterRuntime::slow_signature_handler(JavaThread* thread, Method* method, intptr_t* from, intptr_t* to))
 151   methodHandle m(thread, (Method*)method);
 152   assert(m->is_native(), "sanity check");
 153   // handle arguments
 154   SlowSignatureHandler(m, (address)from, to + 1).iterate((uint64_t)CONST64(-1));
 155   // return result handler
 156   return Interpreter::result_handler(m->result_type());
 157 IRT_END
< prev index next >