1 /* 2 * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef CPU_SPARC_VM_C1_MACROASSEMBLER_SPARC_HPP 26 #define CPU_SPARC_VM_C1_MACROASSEMBLER_SPARC_HPP 27 28 void pd_init() { /* nothing to do */ } 29 30 public: 31 void try_allocate( 32 Register obj, // result: pointer to object after successful allocation 33 Register var_size_in_bytes, // object size in bytes if unknown at compile time; invalid otherwise 34 int con_size_in_bytes, // object size in bytes if known at compile time 35 Register t1, // temp register 36 Register t2, // temp register 37 Label& slow_case // continuation point if fast allocation fails 38 ); 39 40 void initialize_header(Register obj, Register klass, Register len, Register t1, Register t2); 41 void initialize_body(Register base, Register index); 42 43 // locking/unlocking 44 void lock_object (Register Rmark, Register Roop, Register Rbox, Register Rscratch, Label& slow_case); 45 void unlock_object(Register Rmark, Register Roop, Register Rbox, Label& slow_case); 46 47 void initialize_object( 48 Register obj, // result: pointer to object after successful allocation 49 Register klass, // object klass 50 Register var_size_in_bytes, // object size in bytes if unknown at compile time; invalid otherwise 51 int con_size_in_bytes, // object size in bytes if known at compile time 52 Register t1, // temp register 53 Register t2, // temp register 54 bool is_tlab_allocated // the object was allocated in a TLAB; relevant for the implementation of ZeroTLAB 55 ); 56 57 // allocation of fixed-size objects 58 // (can also be used to allocate fixed-size arrays, by setting 59 // hdr_size correctly and storing the array length afterwards) 60 void allocate_object( 61 Register obj, // result: pointer to object after successful allocation 62 Register t1, // temp register 63 Register t2, // temp register 64 Register t3, // temp register 65 int hdr_size, // object header size in words 66 int obj_size, // object size in words 67 Register klass, // object klass 68 Label& slow_case // continuation point if fast allocation fails 69 ); 70 71 enum { 72 max_array_allocation_length = 0x01000000 // sparc friendly value, requires sethi only 73 }; 74 75 // allocation of arrays 76 void allocate_array( 77 Register obj, // result: pointer to array after successful allocation 78 Register len, // array length 79 Register t1, // temp register 80 Register t2, // temp register 81 Register t3, // temp register 82 int hdr_size, // object header size in words 83 int elt_size, // element size in bytes 84 Register klass, // object klass 85 Label& slow_case // continuation point if fast allocation fails 86 ); 87 88 // invalidates registers in this window 89 void invalidate_registers(bool iregisters, bool lregisters, bool oregisters, 90 Register preserve1 = noreg, Register preserve2 = noreg); 91 92 // This platform only uses signal-based null checks. The Label is not needed. 93 void null_check(Register r, Label *Lnull = NULL) { MacroAssembler::null_check(r); } 94 95 void save_live_registers_no_oop_map(bool save_fpu_registers); 96 void restore_live_registers(bool restore_fpu_registers); 97 98 #endif // CPU_SPARC_VM_C1_MACROASSEMBLER_SPARC_HPP