text: /* Native-dependent code for GNU/Linux x86 (i386 and x86-64).
  
     Copyright (C) 1999-2021 Free Software Foundation, Inc.
  
     This file is part of GDB.
  
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 3 of the License, or
     (at your option) any later version.
  
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  
  #ifndef X86_LINUX_NAT_H
  #define X86_LINUX_NAT_H 1
  
  #include "gdb_proc_service.h"  /* For ps_err_e.  */
  #include "linux-nat.h"
  #include "x86-nat.h"
  #include "nat/x86-linux.h"
  
  struct x86_linux_nat_target : public x86_nat_target<linux_nat_target>
  {
    virtual ~x86_linux_nat_target () override = 0;
  
    /* Override the GNU/Linux inferior startup hook.  */
    void post_startup_inferior (ptid_t) override;
  
    /* Add the description reader.  */
    const struct target_desc *read_description () override;
  
    struct btrace_target_info *enable_btrace (ptid_t ptid,
  					    const struct btrace_config *conf) override;
    void disable_btrace (struct btrace_target_info *tinfo) override;
    void teardown_btrace (struct btrace_target_info *tinfo) override;
    enum btrace_error read_btrace (struct btrace_data *data,
  				 struct btrace_target_info *btinfo,
  				 enum btrace_read_type type) override;
    const struct btrace_config *btrace_conf (const struct btrace_target_info *) override;
  
    /* These two are rewired to low_ versions.  linux-nat.c queries
       stopped-by-watchpoint info as soon as an lwp stops (via the low_
       methods) and caches the result, to be returned via the normal
       non-low methods.  */
    bool stopped_by_watchpoint () override
    { return linux_nat_target::stopped_by_watchpoint (); }
  
    bool stopped_data_address (CORE_ADDR *addr_p) override
    { return linux_nat_target::stopped_data_address (addr_p); }
  
    bool low_stopped_by_watchpoint () override
    { return x86_nat_target::stopped_by_watchpoint (); }
  
    bool low_stopped_data_address (CORE_ADDR *addr_p) override
    { return x86_nat_target::stopped_data_address (addr_p); }
  
    void low_new_fork (struct lwp_info *parent, pid_t child_pid) override;
  
    void low_forget_process (pid_t pid) override
    { x86_forget_process (pid); }
  
    void low_prepare_to_resume (struct lwp_info *lwp) override
    { x86_linux_prepare_to_resume (lwp); }
  
    void low_new_thread (struct lwp_info *lwp) override
    { x86_linux_new_thread (lwp); }
  
    void low_delete_thread (struct arch_lwp_info *lwp) override
    { x86_linux_delete_thread (lwp); }
  };
  
  
  
  /* Helper for ps_get_thread_area.  Sets BASE_ADDR to a pointer to
     the thread local storage (or its descriptor) and returns PS_OK
     on success.  Returns PS_ERR on failure.  */
  
  extern ps_err_e x86_linux_get_thread_area (pid_t pid, void *addr,
  					   unsigned int *base_addr);
  
  #endif
  