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0ee6b1c511
Replace the sve bool member of aarch64_features with a vq member that holds the vector quotient. It is zero if SVE is not present. Add std::hash<> specialization and operator== so that aarch64_features can be used as a key with std::unordered_map<>. Change the various functions that create or lookup aarch64 target descriptions to accept a const aarch64_features object rather than a growing number of arguments. Replace the multi-dimension tdesc_aarch64_list arrays used to cache target descriptions with unordered_maps indexed by aarch64_feature.
61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
/* Copyright (C) 2017-2022 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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#include "gdbsupport/common-defs.h"
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#include "aarch64.h"
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#include <stdlib.h>
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#include "../features/aarch64-core.c"
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#include "../features/aarch64-fpu.c"
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#include "../features/aarch64-sve.c"
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#include "../features/aarch64-pauth.c"
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#include "../features/aarch64-mte.c"
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#include "../features/aarch64-tls.c"
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/* See arch/aarch64.h. */
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target_desc *
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aarch64_create_target_description (const aarch64_features &features)
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{
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target_desc_up tdesc = allocate_target_description ();
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#ifndef IN_PROCESS_AGENT
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set_tdesc_architecture (tdesc.get (), "aarch64");
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#endif
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long regnum = 0;
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regnum = create_feature_aarch64_core (tdesc.get (), regnum);
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if (features.vq == 0)
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regnum = create_feature_aarch64_fpu (tdesc.get (), regnum);
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else
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regnum = create_feature_aarch64_sve (tdesc.get (), regnum, features.vq);
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if (features.pauth)
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regnum = create_feature_aarch64_pauth (tdesc.get (), regnum);
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/* Memory tagging extension registers. */
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if (features.mte)
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regnum = create_feature_aarch64_mte (tdesc.get (), regnum);
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if (features.tls)
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regnum = create_feature_aarch64_tls (tdesc.get (), regnum);
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return tdesc.release ();
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}
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