derek.holloway
7502bf64a4
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63 lines
2.2 KiB
C
63 lines
2.2 KiB
C
/* Target description related code for GNU/Linux x86 (i386 and x86-64).
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Copyright (C) 2024 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 GDB_ARCH_X86_LINUX_TDESC_FEATURES_H
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#define GDB_ARCH_X86_LINUX_TDESC_FEATURES_H
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#include "gdbsupport/x86-xstate.h"
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#include "gdbsupport/gdb_assert.h"
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/* Return a mask of X86_STATE_* feature flags. The returned mask indicates
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the set of features which are checked for when creating the target
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description for each of amd64, x32, and i386. */
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extern uint64_t x86_linux_amd64_xcr0_feature_mask ();
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extern uint64_t x86_linux_x32_xcr0_feature_mask ();
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extern uint64_t x86_linux_i386_xcr0_feature_mask ();
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#ifdef GDBSERVER
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/* Convert an xcr0 value into an integer. The integer will be passed from
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gdbserver to the in-process-agent where it will then be passed through
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x86_linux_tdesc_idx_to_xcr0 to get back the original xcr0 value. */
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extern int x86_linux_xcr0_to_tdesc_idx (uint64_t xcr0);
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#endif /* GDBSERVER */
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#ifdef IN_PROCESS_AGENT
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/* Return the maximum possible number of target descriptions for each of
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amd64, x32, and i386. These are used by the in-process-agent to
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generate every possible target description. */
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extern int x86_linux_amd64_tdesc_count ();
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extern int x86_linux_x32_tdesc_count ();
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extern int x86_linux_i386_tdesc_count ();
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/* Convert an index number (as returned from x86_linux_xcr0_to_tdesc_idx)
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into an xcr0 value which can then be used to create a target
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description. */
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extern uint64_t x86_linux_tdesc_idx_to_xcr0 (int idx);
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#endif /* IN_PROCESS_AGENT */
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#endif /* GDB_ARCH_X86_LINUX_TDESC_FEATURES_H */
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