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1 | /* Common code for x86 XSAVE extended state. |
2 | ||
618f726f | 3 | Copyright (C) 2010-2016 Free Software Foundation, Inc. |
df7e5265 GB |
4 | |
5 | This file is part of GDB. | |
6 | ||
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. | |
11 | ||
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. | |
16 | ||
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/>. */ | |
19 | ||
20 | #ifndef X86_XSTATE_H | |
21 | #define X86_XSTATE_H 1 | |
22 | ||
23 | /* The extended state feature bits. */ | |
24 | #define X86_XSTATE_X87 (1ULL << 0) | |
25 | #define X86_XSTATE_SSE (1ULL << 1) | |
26 | #define X86_XSTATE_AVX (1ULL << 2) | |
27 | #define X86_XSTATE_BNDREGS (1ULL << 3) | |
28 | #define X86_XSTATE_BNDCFG (1ULL << 4) | |
29 | #define X86_XSTATE_MPX (X86_XSTATE_BNDREGS | X86_XSTATE_BNDCFG) | |
30 | ||
31 | /* AVX 512 adds three feature bits. All three must be enabled. */ | |
32 | #define X86_XSTATE_K (1ULL << 5) | |
33 | #define X86_XSTATE_ZMM_H (1ULL << 6) | |
34 | #define X86_XSTATE_ZMM (1ULL << 7) | |
35 | #define X86_XSTATE_AVX512 (X86_XSTATE_K | X86_XSTATE_ZMM_H \ | |
36 | | X86_XSTATE_ZMM) | |
37 | ||
38 | /* Supported mask and size of the extended state. */ | |
39 | #define X86_XSTATE_X87_MASK X86_XSTATE_X87 | |
40 | #define X86_XSTATE_SSE_MASK (X86_XSTATE_X87 | X86_XSTATE_SSE) | |
41 | #define X86_XSTATE_AVX_MASK (X86_XSTATE_SSE_MASK | X86_XSTATE_AVX) | |
42 | #define X86_XSTATE_MPX_MASK (X86_XSTATE_AVX_MASK | X86_XSTATE_MPX) | |
43 | #define X86_XSTATE_AVX512_MASK (X86_XSTATE_AVX_MASK | X86_XSTATE_AVX512) | |
44 | #define X86_XSTATE_MPX_AVX512_MASK (X86_XSTATE_MPX_MASK | X86_XSTATE_AVX512) | |
45 | ||
46 | #define X86_XSTATE_ALL_MASK (X86_XSTATE_MPX_AVX512_MASK) | |
47 | ||
48 | #define X86_XSTATE_SSE_SIZE 576 | |
49 | #define X86_XSTATE_AVX_SIZE 832 | |
50 | #define X86_XSTATE_BNDREGS_SIZE 1024 | |
51 | #define X86_XSTATE_BNDCFG_SIZE 1088 | |
52 | #define X86_XSTATE_AVX512_SIZE 2688 | |
53 | #define X86_XSTATE_MAX_SIZE 2688 | |
54 | ||
55 | ||
56 | /* In case one of the MPX XCR0 bits is set we consider we have MPX. */ | |
57 | #define HAS_MPX(XCR0) (((XCR0) & X86_XSTATE_MPX) != 0) | |
58 | #define HAS_AVX(XCR0) (((XCR0) & X86_XSTATE_AVX) != 0) | |
59 | #define HAS_AVX512(XCR0) (((XCR0) & X86_XSTATE_AVX512) != 0) | |
60 | ||
61 | /* Get I386 XSAVE extended state size. */ | |
62 | #define X86_XSTATE_SIZE(XCR0) \ | |
63 | (HAS_AVX512 (XCR0) ? X86_XSTATE_AVX512_SIZE : \ | |
64 | (HAS_MPX (XCR0) ? X86_XSTATE_BNDCFG_SIZE : \ | |
65 | (HAS_AVX (XCR0) ? X86_XSTATE_AVX_SIZE : X86_XSTATE_SSE_SIZE))) | |
66 | ||
67 | #endif /* X86_XSTATE_H */ |