1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/cpu/x86/vm/interpreterRT_x86.hpp Sat Dec 01 00:00:00 2007 +0000 1.3 @@ -0,0 +1,74 @@ 1.4 +/* 1.5 + * Copyright 1998-2005 Sun Microsystems, Inc. All Rights Reserved. 1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.7 + * 1.8 + * This code is free software; you can redistribute it and/or modify it 1.9 + * under the terms of the GNU General Public License version 2 only, as 1.10 + * published by the Free Software Foundation. 1.11 + * 1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT 1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1.15 + * version 2 for more details (a copy is included in the LICENSE file that 1.16 + * accompanied this code). 1.17 + * 1.18 + * You should have received a copy of the GNU General Public License version 1.19 + * 2 along with this work; if not, write to the Free Software Foundation, 1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1.21 + * 1.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or 1.24 + * have any questions. 1.25 + * 1.26 + */ 1.27 + 1.28 +// native method calls 1.29 + 1.30 +class SignatureHandlerGenerator: public NativeSignatureIterator { 1.31 + private: 1.32 + MacroAssembler* _masm; 1.33 +#ifdef AMD64 1.34 +#ifdef _WIN64 1.35 + unsigned int _num_args; 1.36 +#else 1.37 + unsigned int _num_fp_args; 1.38 + unsigned int _num_int_args; 1.39 +#endif // _WIN64 1.40 + int _stack_offset; 1.41 +#else 1.42 + void move(int from_offset, int to_offset); 1.43 + void box(int from_offset, int to_offset); 1.44 +#endif // AMD64 1.45 + 1.46 + void pass_int(); 1.47 + void pass_long(); 1.48 + void pass_float(); 1.49 +#ifdef AMD64 1.50 + void pass_double(); 1.51 +#endif // AMD64 1.52 + void pass_object(); 1.53 + 1.54 + public: 1.55 + // Creation 1.56 + SignatureHandlerGenerator(methodHandle method, CodeBuffer* buffer) : NativeSignatureIterator(method) { 1.57 + _masm = new MacroAssembler(buffer); 1.58 +#ifdef AMD64 1.59 +#ifdef _WIN64 1.60 + _num_args = (method->is_static() ? 1 : 0); 1.61 + _stack_offset = (Argument::n_int_register_parameters_c+1)* wordSize; // don't overwrite return address 1.62 +#else 1.63 + _num_int_args = (method->is_static() ? 1 : 0); 1.64 + _num_fp_args = 0; 1.65 + _stack_offset = wordSize; // don't overwrite return address 1.66 +#endif // _WIN64 1.67 +#endif // AMD64 1.68 + } 1.69 + 1.70 + // Code generation 1.71 + void generate(uint64_t fingerprint); 1.72 + 1.73 + // Code generation support 1.74 + static Register from(); 1.75 + static Register to(); 1.76 + static Register temp(); 1.77 +};