gdb/nat/aarch64-linux.h

   1 /* Copyright (C) 2009-2023 Free Software Foundation, Inc.
   2    Contributed by ARM Ltd.
   3
   4    This file is part of GDB.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef NAT_AARCH64_LINUX_H
  20 #define NAT_AARCH64_LINUX_H
  21
  22 #include <signal.h>
  23
  24 /* Defines ps_err_e, struct ps_prochandle.  */
  25 #include "gdb_proc_service.h"
  26
  27 typedef int compat_int_t;
  28 typedef unsigned int compat_uptr_t;
  29
  30 typedef int compat_time_t;
  31 typedef int compat_timer_t;
  32 typedef int compat_clock_t;
  33
  34 struct compat_timeval
  35 {
  36   compat_time_t tv_sec;
  37   int tv_usec;
  38 };
  39
  40 typedef union compat_sigval
  41 {
  42   compat_int_t sival_int;
  43   compat_uptr_t sival_ptr;
  44 } compat_sigval_t;
  45
  46 typedef struct compat_siginfo
  47 {
  48   int si_signo;
  49   int si_errno;
  50   int si_code;
  51
  52   union
  53   {
  54     int _pad[((128 / sizeof (int)) - 3)];
  55
  56     /* kill() */
  57     struct
  58     {
  59       unsigned int _pid;
  60       unsigned int _uid;
  61     } _kill;
  62
  63     /* POSIX.1b timers */
  64     struct
  65     {
  66       compat_timer_t _tid;
  67       int _overrun;
  68       compat_sigval_t _sigval;
  69     } _timer;
  70
  71     /* POSIX.1b signals */
  72     struct
  73     {
  74       unsigned int _pid;
  75       unsigned int _uid;
  76       compat_sigval_t _sigval;
  77     } _rt;
  78
  79     /* SIGCHLD */
  80     struct
  81     {
  82       unsigned int _pid;
  83       unsigned int _uid;
  84       int _status;
  85       compat_clock_t _utime;
  86       compat_clock_t _stime;
  87     } _sigchld;
  88
  89     /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
  90     struct
  91     {
  92       unsigned int _addr;
  93     } _sigfault;
  94
  95     /* SIGPOLL */
  96     struct
  97     {
  98       int _band;
  99       int _fd;
 100     } _sigpoll;
 101   } _sifields;
 102 } compat_siginfo_t;
 103
 104 #define cpt_si_pid _sifields._kill._pid
 105 #define cpt_si_uid _sifields._kill._uid
 106 #define cpt_si_timerid _sifields._timer._tid
 107 #define cpt_si_overrun _sifields._timer._overrun
 108 #define cpt_si_status _sifields._sigchld._status
 109 #define cpt_si_utime _sifields._sigchld._utime
 110 #define cpt_si_stime _sifields._sigchld._stime
 111 #define cpt_si_ptr _sifields._rt._sigval.sival_ptr
 112 #define cpt_si_addr _sifields._sigfault._addr
 113 #define cpt_si_band _sifields._sigpoll._band
 114 #define cpt_si_fd _sifields._sigpoll._fd
 115
 116 void aarch64_siginfo_from_compat_siginfo (siginfo_t *to,
 117                                             compat_siginfo_t *from);
 118 void aarch64_compat_siginfo_from_siginfo (compat_siginfo_t *to,
 119                                             siginfo_t *from);
 120
 121 void aarch64_linux_prepare_to_resume (struct lwp_info *lwp);
 122
 123 void aarch64_linux_new_thread (struct lwp_info *lwp);
 124
 125 /* Function to call when a thread is being deleted.  */
 126 void aarch64_linux_delete_thread (struct arch_lwp_info *arch_lwp);
 127
 128 ps_err_e aarch64_ps_get_thread_area (struct ps_prochandle *ph,
 129                                        lwpid_t lwpid, int idx, void **base,
 130                                        int is_64bit_p);
 131
 132 /* Return the number of TLS registers in the NT_ARM_TLS set.  This is only
 133    used for aarch64 state.  */
 134 int aarch64_tls_register_count (int tid);
 135
 136 #endif /* NAT_AARCH64_LINUX_H */