Mercurial > hg > truffle
diff src/cpu/sparc/vm/c1_MacroAssembler_sparc.hpp @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/cpu/sparc/vm/c1_MacroAssembler_sparc.hpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,86 @@ +/* + * 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);