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