derek.holloway
7502bf64a4
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79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
/* Native-dependent code for GNU/Linux x86 (i386 and x86-64).
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Copyright (C) 1999-2024 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_NAT_X86_LINUX_H
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#define GDB_NAT_X86_LINUX_H
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#include "nat/linux-nat.h"
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/* Set whether our local mirror of LWP's debug registers has been
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changed since the values were last written to the thread. Nonzero
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indicates that a change has been made, zero indicates no change. */
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extern void lwp_set_debug_registers_changed (struct lwp_info *lwp,
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int value);
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/* Return nonzero if our local mirror of LWP's debug registers has
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been changed since the values were last written to the thread,
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zero otherwise. */
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extern int lwp_debug_registers_changed (struct lwp_info *lwp);
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/* Function to call when a new thread is detected. */
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extern void x86_linux_new_thread (struct lwp_info *lwp);
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/* Function to call when a thread is being deleted. */
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extern void x86_linux_delete_thread (struct arch_lwp_info *arch_lwp);
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/* Function to call prior to resuming a thread. */
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extern void x86_linux_prepare_to_resume (struct lwp_info *lwp);
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/* Return value from x86_linux_ptrace_get_arch_size function. Indicates if
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a thread is 32-bit, 64-bit, or x32. */
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struct x86_linux_arch_size
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{
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explicit x86_linux_arch_size (bool is_64bit, bool is_x32)
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: m_is_64bit (is_64bit),
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m_is_x32 (is_x32)
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{
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/* Nothing. */
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}
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bool is_64bit () const
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{ return m_is_64bit; }
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bool is_x32 () const
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{ return m_is_x32; }
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private:
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bool m_is_64bit = false;
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bool m_is_x32 = false;
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};
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/* Use ptrace calls to figure out if thread TID is 32-bit, 64-bit, or
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64-bit running in x32 mode. */
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extern x86_linux_arch_size x86_linux_ptrace_get_arch_size (int tid);
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#endif /* GDB_NAT_X86_LINUX_H */
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