1 /*
2 * Copyright (c) 1999, 2023, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2012, 2015 SAP SE. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 #ifndef CPU_PPC_C1_MACROASSEMBLER_PPC_HPP
27 #define CPU_PPC_C1_MACROASSEMBLER_PPC_HPP
28
29 void pd_init() { /* nothing to do */ }
30
31 public:
32 void try_allocate(
33 Register obj, // result: pointer to object after successful allocation
34 Register var_size_in_bytes, // object size in bytes if unknown at compile time; invalid otherwise
35 int con_size_in_bytes, // object size in bytes if known at compile time
36 Register t1, // temp register
37 Register t2, // temp register
38 Label& slow_case // continuation point if fast allocation fails
39 );
40
41 void initialize_header(Register obj, Register klass, Register len, Register t1, Register t2);
42 void initialize_body(Register base, Register index);
43 void initialize_body(Register obj, Register tmp1, Register tmp2, int obj_size_in_bytes, int hdr_size_in_bytes);
44
45 // locking/unlocking
46 void lock_object (Register Rmark, Register Roop, Register Rbox, Register Rscratch, Label& slow_case);
47 void unlock_object(Register Rmark, Register Roop, Register Rbox, Label& slow_case);
48
49 void initialize_object(
50 Register obj, // result: pointer to object after successful allocation
51 Register klass, // object klass
52 Register var_size_in_bytes, // object size in bytes if unknown at compile time; invalid otherwise
53 int con_size_in_bytes, // object size in bytes if known at compile time
54 Register t1, // temp register
55 Register t2 // temp register
56 );
57
58 // Allocation of fixed-size objects
59 // (Can also be used to allocate fixed-size arrays, by setting
60 // hdr_size correctly and storing the array length afterwards.)
61 void allocate_object(
62 Register obj, // result: pointer to object after successful allocation
63 Register t1, // temp register
64 Register t2, // temp register
65 Register t3, // temp register
66 int hdr_size, // object header size in words
67 int obj_size, // object size in words
68 Register klass, // object klass
69 Label& slow_case // continuation point if fast allocation fails
70 );
71
72 enum {
73 max_array_allocation_length = 0x40000000 // ppc friendly value, requires lis only
74 };
75
76 // Allocation of arrays
77 void allocate_array(
78 Register obj, // result: pointer to array after successful allocation
79 Register len, // array length
80 Register t1, // temp register
81 Register t2, // temp register
82 Register t3, // temp register
83 int base_offset_in_bytes, // elements offset in bytes
84 int elt_size, // element size in bytes
85 Register klass, // object klass
86 Label& slow_case // continuation point if fast allocation fails
87 );
88
89 void null_check(Register r, Label *Lnull = nullptr);
90
91 address call_c_with_frame_resize(address dest, int frame_resize);
92
93 #endif // CPU_PPC_C1_MACROASSEMBLER_PPC_HPP