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src/cpu/x86/vm/interpreterRT_x86.hpp@db4caa99ef11 (annotated)

src/cpu/x86/vm/interpreterRT_x86.hpp

Wed, 24 Dec 2008 13:06:09 -0800

author

xlu

date

Wed, 24 Dec 2008 13:06:09 -0800

changeset 947

db4caa99ef11

parent 435

a61af66fc99e

child 1907

c18cbe5936b8

permissions

-rw-r--r--

6787106: Hotspot 32 bit build fails on platforms having different definitions for intptr_t & int32_t
Summary: Avoid casting between int32_t and intptr_t specifically for MasmAssembler::movptr in 32 bit platforms.
Reviewed-by: jrose, kvn

duke@435	1	/*
duke@435	2	* Copyright 1998-2005 Sun Microsystems, Inc. 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	*
duke@435	19	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435	20	* CA 95054 USA or visit www.sun.com if you need additional information or
duke@435	21	* have any 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	};