1 /* Common code for i386 XSAVE extended state.
3 Copyright (C) 2010-2014 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
21 #define I386_XSTATE_H 1
23 /* The extended state feature bits. */
24 #define I386_XSTATE_X87 (1ULL << 0)
25 #define I386_XSTATE_SSE (1ULL << 1)
26 #define I386_XSTATE_AVX (1ULL << 2)
27 #define I386_XSTATE_BNDREGS (1ULL << 3)
28 #define I386_XSTATE_BNDCFG (1ULL << 4)
29 #define I386_XSTATE_MPX (I386_XSTATE_BNDREGS | I386_XSTATE_BNDCFG)
31 /* AVX 512 adds three feature bits. All three must be enabled. */
32 #define I386_XSTATE_K (1ULL << 5)
33 #define I386_XSTATE_ZMM_H (1ULL << 6)
34 #define I386_XSTATE_ZMM (1ULL << 7)
35 #define I386_XSTATE_AVX512 (I386_XSTATE_K | I386_XSTATE_ZMM_H \
38 /* Supported mask and size of the extended state. */
39 #define I386_XSTATE_X87_MASK I386_XSTATE_X87
40 #define I386_XSTATE_SSE_MASK (I386_XSTATE_X87 | I386_XSTATE_SSE)
41 #define I386_XSTATE_AVX_MASK (I386_XSTATE_SSE_MASK | I386_XSTATE_AVX)
42 #define I386_XSTATE_MPX_MASK (I386_XSTATE_AVX_MASK | I386_XSTATE_MPX)
43 #define I386_XSTATE_AVX512_MASK (I386_XSTATE_AVX_MASK | I386_XSTATE_AVX512)
44 #define I386_XSTATE_MPX_AVX512_MASK (I386_XSTATE_MPX_MASK | I386_XSTATE_AVX512)
46 #define I386_XSTATE_ALL_MASK (I386_XSTATE_MPX_AVX512_MASK)
48 #define I386_XSTATE_SSE_SIZE 576
49 #define I386_XSTATE_AVX_SIZE 832
50 #define I386_XSTATE_BNDREGS_SIZE 1024
51 #define I386_XSTATE_BNDCFG_SIZE 1088
52 #define I386_XSTATE_AVX512_SIZE 2688
53 #define I386_XSTATE_MAX_SIZE 2688
56 /* In case one of the MPX XCR0 bits is set we consider we have MPX. */
57 #define HAS_MPX(XCR0) (((XCR0) & I386_XSTATE_MPX) != 0)
58 #define HAS_AVX(XCR0) (((XCR0) & I386_XSTATE_AVX) != 0)
59 #define HAS_AVX512(XCR0) (((XCR0) & I386_XSTATE_AVX512) != 0)
61 /* Get I386 XSAVE extended state size. */
62 #define I386_XSTATE_SIZE(XCR0) \
63 (HAS_AVX512 (XCR0) ? I386_XSTATE_AVX512_SIZE : \
64 (HAS_MPX (XCR0) ? I386_XSTATE_BNDCFG_SIZE : \
65 (HAS_AVX (XCR0) ? I386_XSTATE_AVX_SIZE : I386_XSTATE_SSE_SIZE)))
67 #endif /* I386_XSTATE_H */