aarch64-opts.h revision 1.3 
1/* Copyright (C) 2011-2015 Free Software Foundation, Inc.
2   Contributed by ARM Ltd.
3
4   This file is part of GCC.
5
6   GCC is free software; you can redistribute it and/or modify it
7   under the terms of the GNU General Public License as published
8   by the Free Software Foundation; either version 3, or (at your
9   option) any later version.
10
11   GCC is distributed in the hope that it will be useful, but WITHOUT
12   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
14   License for more details.
15
16   You should have received a copy of the GNU General Public License
17   along with GCC; see the file COPYING3.  If not see
18   <http://www.gnu.org/licenses/>.  */
19
20/* Definitions for option handling for AArch64.  */
21
22#ifndef GCC_AARCH64_OPTS_H
23#define GCC_AARCH64_OPTS_H
24
25/* The various cores that implement AArch64.  */
26enum aarch64_processor
27{
28#define AARCH64_CORE(NAME, INTERNAL_IDENT, SCHED, ARCH, FLAGS, COSTS) \
29  INTERNAL_IDENT,
30#include "aarch64-cores.def"
31#undef AARCH64_CORE
32  /* Used to indicate that no processor has been specified.  */
33  generic,
34  /* Used to mark the end of the processor table.  */
35  aarch64_none
36};
37
38/* TLS types.  */
39enum aarch64_tls_type {
40  TLS_TRADITIONAL,
41  TLS_DESCRIPTORS
42};
43
44/* The code model defines the address generation strategy.
45   Most have a PIC and non-PIC variant.  */
46enum aarch64_code_model {
47  /* Static code and data fit within a 1MB region.
48     Not fully implemented, mostly treated as SMALL.  */
49  AARCH64_CMODEL_TINY,
50  /* Static code, data and GOT/PLT fit within a 1MB region.
51     Not fully implemented, mostly treated as SMALL_PIC.  */
52  AARCH64_CMODEL_TINY_PIC,
53  /* Static code and data fit within a 4GB region.
54     The default non-PIC code model.  */
55  AARCH64_CMODEL_SMALL,
56  /* Static code, data and GOT/PLT fit within a 4GB region.
57     The default PIC code model.  */
58  AARCH64_CMODEL_SMALL_PIC,
59  /* No assumptions about addresses of code and data.
60     The PIC variant is not yet implemented.  */
61  AARCH64_CMODEL_LARGE
62};
63
64#endif
65