• file
• revisions
• annotate
• diff
• comparison
• raw

src/cpu/x86/vm/interpreterRT_x86.hpp@d257356e35f0 (annotated)

src/cpu/x86/vm/interpreterRT_x86.hpp

Mon, 13 Sep 2010 23:24:30 -0700

author

jrose

date

Mon, 13 Sep 2010 23:24:30 -0700

changeset 2148

d257356e35f0

parent 1907

c18cbe5936b8

child 2314

f95d63e2154a

permissions

-rw-r--r--

6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
Reviewed-by: never

duke@435	1	/*
trims@1907	2	* Copyright (c) 1998, 2005, Oracle and/or its affiliates. All rights reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
duke@435	25	// native method calls
duke@435	26
duke@435	27	class SignatureHandlerGenerator: public NativeSignatureIterator {
duke@435	28	private:
duke@435	29	MacroAssembler* _masm;
duke@435	30	#ifdef AMD64
duke@435	31	#ifdef _WIN64
duke@435	32	unsigned int _num_args;
duke@435	33	#else
duke@435	34	unsigned int _num_fp_args;
duke@435	35	unsigned int _num_int_args;
duke@435	36	#endif // _WIN64
duke@435	37	int _stack_offset;
duke@435	38	#else
duke@435	39	void move(int from_offset, int to_offset);
duke@435	40	void box(int from_offset, int to_offset);
duke@435	41	#endif // AMD64
duke@435	42
duke@435	43	void pass_int();
duke@435	44	void pass_long();
duke@435	45	void pass_float();
duke@435	46	#ifdef AMD64
duke@435	47	void pass_double();
duke@435	48	#endif // AMD64
duke@435	49	void pass_object();
duke@435	50
duke@435	51	public:
duke@435	52	// Creation
duke@435	53	SignatureHandlerGenerator(methodHandle method, CodeBuffer* buffer) : NativeSignatureIterator(method) {
duke@435	54	_masm = new MacroAssembler(buffer);
duke@435	55	#ifdef AMD64
duke@435	56	#ifdef _WIN64
duke@435	57	_num_args = (method->is_static() ? 1 : 0);
duke@435	58	_stack_offset = (Argument::n_int_register_parameters_c+1)* wordSize; // don't overwrite return address
duke@435	59	#else
duke@435	60	_num_int_args = (method->is_static() ? 1 : 0);
duke@435	61	_num_fp_args = 0;
duke@435	62	_stack_offset = wordSize; // don't overwrite return address
duke@435	63	#endif // _WIN64
duke@435	64	#endif // AMD64
duke@435	65	}
duke@435	66
duke@435	67	// Code generation
duke@435	68	void generate(uint64_t fingerprint);
duke@435	69
duke@435	70	// Code generation support
duke@435	71	static Register from();
duke@435	72	static Register to();
duke@435	73	static Register temp();
duke@435	74	};