1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/cpu/sparc/vm/c1_MacroAssembler_sparc.hpp Sat Dec 01 00:00:00 2007 +0000
1.3 @@ -0,0 +1,86 @@
1.4 +/*
1.5 + * Copyright 1999-2005 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 + void pd_init() { /* nothing to do */ }
1.29 +
1.30 + public:
1.31 + void try_allocate(
1.32 + Register obj, // result: pointer to object after successful allocation
1.33 + Register var_size_in_bytes, // object size in bytes if unknown at compile time; invalid otherwise
1.34 + int con_size_in_bytes, // object size in bytes if known at compile time
1.35 + Register t1, // temp register
1.36 + Register t2, // temp register
1.37 + Label& slow_case // continuation point if fast allocation fails
1.38 + );
1.39 +
1.40 + void initialize_header(Register obj, Register klass, Register len, Register t1, Register t2);
1.41 + void initialize_body(Register base, Register index);
1.42 +
1.43 + // locking/unlocking
1.44 + void lock_object (Register Rmark, Register Roop, Register Rbox, Register Rscratch, Label& slow_case);
1.45 + void unlock_object(Register Rmark, Register Roop, Register Rbox, Label& slow_case);
1.46 +
1.47 + void initialize_object(
1.48 + Register obj, // result: pointer to object after successful allocation
1.49 + Register klass, // object klass
1.50 + Register var_size_in_bytes, // object size in bytes if unknown at compile time; invalid otherwise
1.51 + int con_size_in_bytes, // object size in bytes if known at compile time
1.52 + Register t1, // temp register
1.53 + Register t2 // temp register
1.54 + );
1.55 +
1.56 + // allocation of fixed-size objects
1.57 + // (can also be used to allocate fixed-size arrays, by setting
1.58 + // hdr_size correctly and storing the array length afterwards)
1.59 + void allocate_object(
1.60 + Register obj, // result: pointer to object after successful allocation
1.61 + Register t1, // temp register
1.62 + Register t2, // temp register
1.63 + Register t3, // temp register
1.64 + int hdr_size, // object header size in words
1.65 + int obj_size, // object size in words
1.66 + Register klass, // object klass
1.67 + Label& slow_case // continuation point if fast allocation fails
1.68 + );
1.69 +
1.70 + enum {
1.71 + max_array_allocation_length = 0x01000000 // sparc friendly value, requires sethi only
1.72 + };
1.73 +
1.74 + // allocation of arrays
1.75 + void allocate_array(
1.76 + Register obj, // result: pointer to array after successful allocation
1.77 + Register len, // array length
1.78 + Register t1, // temp register
1.79 + Register t2, // temp register
1.80 + Register t3, // temp register
1.81 + int hdr_size, // object header size in words
1.82 + int elt_size, // element size in bytes
1.83 + Register klass, // object klass
1.84 + Label& slow_case // continuation point if fast allocation fails
1.85 + );
1.86 +
1.87 + // invalidates registers in this window
1.88 + void invalidate_registers(bool iregisters, bool lregisters, bool oregisters,
1.89 + Register preserve1 = noreg, Register preserve2 = noreg);
