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69 lines
2.6 KiB
C
69 lines
2.6 KiB
C
/* Common code for x86 XSAVE extended state.
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Copyright (C) 2010-2017 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef X86_XSTATE_H
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#define X86_XSTATE_H 1
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/* The extended state feature bits. */
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#define X86_XSTATE_X87 (1ULL << 0)
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#define X86_XSTATE_SSE (1ULL << 1)
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#define X86_XSTATE_AVX (1ULL << 2)
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#define X86_XSTATE_BNDREGS (1ULL << 3)
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#define X86_XSTATE_BNDCFG (1ULL << 4)
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#define X86_XSTATE_MPX (X86_XSTATE_BNDREGS | X86_XSTATE_BNDCFG)
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/* AVX 512 adds three feature bits. All three must be enabled. */
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#define X86_XSTATE_K (1ULL << 5)
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#define X86_XSTATE_ZMM_H (1ULL << 6)
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#define X86_XSTATE_ZMM (1ULL << 7)
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#define X86_XSTATE_AVX512 (X86_XSTATE_K | X86_XSTATE_ZMM_H \
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| X86_XSTATE_ZMM)
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/* Supported mask and size of the extended state. */
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#define X86_XSTATE_X87_MASK X86_XSTATE_X87
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#define X86_XSTATE_SSE_MASK (X86_XSTATE_X87 | X86_XSTATE_SSE)
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#define X86_XSTATE_AVX_MASK (X86_XSTATE_SSE_MASK | X86_XSTATE_AVX)
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#define X86_XSTATE_MPX_MASK (X86_XSTATE_SSE_MASK | X86_XSTATE_MPX)
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#define X86_XSTATE_AVX_MPX_MASK (X86_XSTATE_AVX_MASK | X86_XSTATE_MPX)
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#define X86_XSTATE_AVX512_MASK (X86_XSTATE_AVX_MASK | X86_XSTATE_AVX512)
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#define X86_XSTATE_MPX_AVX512_MASK (X86_XSTATE_AVX_MPX_MASK | X86_XSTATE_AVX512)
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#define X86_XSTATE_ALL_MASK (X86_XSTATE_MPX_AVX512_MASK)
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#define X86_XSTATE_SSE_SIZE 576
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#define X86_XSTATE_AVX_SIZE 832
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#define X86_XSTATE_BNDREGS_SIZE 1024
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#define X86_XSTATE_BNDCFG_SIZE 1088
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#define X86_XSTATE_AVX512_SIZE 2688
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#define X86_XSTATE_MAX_SIZE 2688
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/* In case one of the MPX XCR0 bits is set we consider we have MPX. */
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#define HAS_MPX(XCR0) (((XCR0) & X86_XSTATE_MPX) != 0)
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#define HAS_AVX(XCR0) (((XCR0) & X86_XSTATE_AVX) != 0)
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#define HAS_AVX512(XCR0) (((XCR0) & X86_XSTATE_AVX512) != 0)
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/* Get I386 XSAVE extended state size. */
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#define X86_XSTATE_SIZE(XCR0) \
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(HAS_AVX512 (XCR0) ? X86_XSTATE_AVX512_SIZE : \
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(HAS_MPX (XCR0) ? X86_XSTATE_BNDCFG_SIZE : \
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(HAS_AVX (XCR0) ? X86_XSTATE_AVX_SIZE : X86_XSTATE_SSE_SIZE)))
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#endif /* X86_XSTATE_H */
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