87 lines
4.1 KiB
C++
87 lines
4.1 KiB
C++
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/*
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* Copyright 1999-2005 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*
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*/
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void pd_init() { /* nothing to do */ }
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public:
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void try_allocate(
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Register obj, // result: pointer to object after successful allocation
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Register var_size_in_bytes, // object size in bytes if unknown at compile time; invalid otherwise
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int con_size_in_bytes, // object size in bytes if known at compile time
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Register t1, // temp register
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Register t2, // temp register
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Label& slow_case // continuation point if fast allocation fails
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);
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void initialize_header(Register obj, Register klass, Register len, Register t1, Register t2);
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void initialize_body(Register base, Register index);
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// locking/unlocking
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void lock_object (Register Rmark, Register Roop, Register Rbox, Register Rscratch, Label& slow_case);
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void unlock_object(Register Rmark, Register Roop, Register Rbox, Label& slow_case);
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void initialize_object(
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Register obj, // result: pointer to object after successful allocation
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Register klass, // object klass
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Register var_size_in_bytes, // object size in bytes if unknown at compile time; invalid otherwise
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int con_size_in_bytes, // object size in bytes if known at compile time
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Register t1, // temp register
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Register t2 // temp register
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);
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// allocation of fixed-size objects
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// (can also be used to allocate fixed-size arrays, by setting
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// hdr_size correctly and storing the array length afterwards)
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void allocate_object(
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Register obj, // result: pointer to object after successful allocation
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Register t1, // temp register
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Register t2, // temp register
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Register t3, // temp register
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int hdr_size, // object header size in words
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int obj_size, // object size in words
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Register klass, // object klass
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Label& slow_case // continuation point if fast allocation fails
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);
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enum {
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max_array_allocation_length = 0x01000000 // sparc friendly value, requires sethi only
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};
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// allocation of arrays
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void allocate_array(
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Register obj, // result: pointer to array after successful allocation
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Register len, // array length
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Register t1, // temp register
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Register t2, // temp register
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Register t3, // temp register
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int hdr_size, // object header size in words
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int elt_size, // element size in bytes
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Register klass, // object klass
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Label& slow_case // continuation point if fast allocation fails
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);
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// invalidates registers in this window
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void invalidate_registers(bool iregisters, bool lregisters, bool oregisters,
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Register preserve1 = noreg, Register preserve2 = noreg);
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