gdb/fbsd-nat.h

   1 /* Native-dependent code for FreeBSD.
   2
   3    Copyright (C) 2004-2020 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_NAT_H
  21 #define FBSD_NAT_H
  22
  23 #include "inf-ptrace.h"
  24 #include <sys/proc.h>
  25
  26 #ifdef TRAP_BRKPT
  27 /* MIPS does not set si_code for SIGTRAP.  sparc64 reports
  28    non-standard values in si_code for SIGTRAP.  */
  29 # if !defined(__mips__) && !defined(__sparc64__)
  30 #  define USE_SIGTRAP_SIGINFO
  31 # endif
  32 #endif
  33
  34 /* A prototype FreeBSD target.  */
  35
  36 class fbsd_nat_target : public inf_ptrace_target
  37 {
  38 public:
  39   char *pid_to_exec_file (int pid) override;
  40
  41   int find_memory_regions (find_memory_region_ftype func, void *data) override;
  42
  43   bool info_proc (const char *, enum info_proc_what) override;
  44
  45   enum target_xfer_status xfer_partial (enum target_object object,
  46                                         const char *annex,
  47                                         gdb_byte *readbuf,
  48                                         const gdb_byte *writebuf,
  49                                         ULONGEST offset, ULONGEST len,
  50                                         ULONGEST *xfered_len) override;
  51
  52 #ifdef PT_LWPINFO
  53   bool thread_alive (ptid_t ptid) override;
  54   std::string pid_to_str (ptid_t) override;
  55
  56 #ifdef HAVE_STRUCT_PTRACE_LWPINFO_PL_TDNAME
  57   const char *thread_name (struct thread_info *) override;
  58 #endif
  59
  60   void update_thread_list () override;
  61
  62   thread_control_capabilities get_thread_control_capabilities () override
  63   { return tc_schedlock; }
  64
  65   void resume (ptid_t, int, enum gdb_signal) override;
  66
  67   ptid_t wait (ptid_t, struct target_waitstatus *, int) override;
  68
  69   void post_startup_inferior (ptid_t) override;
  70   void post_attach (int) override;
  71
  72 #ifdef USE_SIGTRAP_SIGINFO
  73   bool supports_stopped_by_sw_breakpoint () override;
  74   bool stopped_by_sw_breakpoint () override;
  75 #endif
  76
  77 #ifdef TDP_RFPPWAIT
  78   bool follow_fork (bool, bool) override;
  79
  80   int insert_fork_catchpoint (int) override;
  81   int remove_fork_catchpoint (int) override;
  82
  83   int insert_vfork_catchpoint (int) override;
  84   int remove_vfork_catchpoint (int) override;
  85 #endif
  86
  87 #ifdef PL_FLAG_EXEC
  88   int insert_exec_catchpoint (int) override;
  89   int remove_exec_catchpoint (int) override;
  90 #endif
  91
  92 #ifdef HAVE_STRUCT_PTRACE_LWPINFO_PL_SYSCALL_CODE
  93   int set_syscall_catchpoint (int, bool, int, gdb::array_view<const int>)
  94     override;
  95 #endif
  96 #endif /* PT_LWPINFO */
  97 };
  98
  99 #endif /* fbsd-nat.h */