gdb/fbsd-tdep.h

   1 /* Target-dependent code for FreeBSD, architecture independent.
   2
   3    Copyright (C) 2009-2022 Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef FBSD_TDEP_H
  21 #define FBSD_TDEP_H
  22
  23 extern void fbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch);
  24
  25 /* Output the header for "info proc files".  */
  26
  27 extern void fbsd_info_proc_files_header ();
  28
  29 /* Output description of a single file descriptor for "info proc
  30    files".  The KF_TYPE, KF_FD, KF_FLAGS, KF_OFFSET, KF_VNODE_TYPE,
  31    KF_SOCK_DOMAIN, KF_SOCK_TYPE, and KF_SOCK_PROTOCOL parameters
  32    should contain the value of the corresponding fields in a 'struct
  33    kinfo_file'.  The KF_SA_LOCAL, KF_SA_PEER, and KF_PATH parameters
  34    should contain pointers to the corresponding fields in a 'struct
  35    kinfo_file'. */
  36
  37 extern void fbsd_info_proc_files_entry (int kf_type, int kf_fd, int kf_flags,
  38                                         LONGEST kf_offset, int kf_vnode_type,
  39                                         int kf_sock_domain, int kf_sock_type,
  40                                         int kf_sock_protocol,
  41                                         const void *kf_sa_local,
  42                                         const void *kf_sa_peer,
  43                                         const void *kf_path);
  44
  45 /* Output the header for "info proc mappings".  ADDR_BIT is the size
  46    of a virtual address in bits.  */
  47
  48 extern void fbsd_info_proc_mappings_header (int addr_bit);
  49
  50 /* Output description of a single memory range for "info proc
  51    mappings".  ADDR_BIT is the size of a virtual address in bits.  The
  52    KVE_START, KVE_END, KVE_OFFSET, KVE_FLAGS, and KVE_PROTECTION
  53    parameters should contain the value of the corresponding fields in
  54    a 'struct kinfo_vmentry'.  The KVE_PATH parameter should contain a
  55    pointer to the 'kve_path' field in a 'struct kinfo_vmentry'. */
  56
  57 extern void fbsd_info_proc_mappings_entry (int addr_bit, ULONGEST kve_start,
  58                                            ULONGEST kve_end,
  59                                            ULONGEST kve_offset,
  60                                            int kve_flags, int kve_protection,
  61                                            const void *kve_path);
  62
  63 /* Helper function to fetch the address of a thread-local variable.
  64    DTV_ADDR is the base address of the thread's dtv array.  LM_ADDR is
  65    the address of the link_map structure for the associated object
  66    file.  OFFSET is the offset of the variable in the object file's
  67    thread-local variable block.  */
  68
  69 extern CORE_ADDR fbsd_get_thread_local_address (struct gdbarch *gdbarch,
  70                                                 CORE_ADDR dtv_addr,
  71                                                 CORE_ADDR lm_addr,
  72                                                 CORE_ADDR offset);
  73
  74 /* Implement the "skip_solib_resolver" gdbarch method.  */
  75
  76 extern CORE_ADDR fbsd_skip_solib_resolver (struct gdbarch *gdbarch,
  77                                            CORE_ADDR pc);
  78
  79 #endif /* fbsd-tdep.h */