gdbserver/nto-low.h

   1 /* Internal interfaces for the QNX Neutrino specific target code for gdbserver.
   2    Copyright (C) 2009-2020 Free Software Foundation, Inc.
   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 GDBSERVER_NTO_LOW_H
  20 #define GDBSERVER_NTO_LOW_H
  21
  22 struct target_desc;
  23
  24 enum regset_type
  25 {
  26   NTO_REG_GENERAL,
  27   NTO_REG_FLOAT,
  28   NTO_REG_SYSTEM,
  29   NTO_REG_ALT,
  30   NTO_REG_END
  31 };
  32
  33 struct nto_target_ops
  34 {
  35   /* Architecture specific setup.  */
  36   void (*arch_setup) (void);
  37   int num_regs;
  38   int (*register_offset) (int gdbregno);
  39   const unsigned char *breakpoint;
  40   int breakpoint_len;
  41 };
  42
  43 extern struct nto_target_ops the_low_target;
  44
  45 /* Target ops definitions for a QNX Neutrino target.  */
  46
  47 class nto_process_target : public process_stratum_target
  48 {
  49 public:
  50
  51   int create_inferior (const char *program,
  52                        const std::vector<char *> &program_args) override;
  53
  54   int attach (unsigned long pid) override;
  55
  56   int kill (process_info *proc) override;
  57
  58   int detach (process_info *proc) override;
  59
  60   void mourn (process_info *proc) override;
  61
  62   void join (int pid) override;
  63
  64   bool thread_alive (ptid_t pid) override;
  65
  66   void resume (thread_resume *resume_info, size_t n) override;
  67
  68   ptid_t wait (ptid_t ptid, target_waitstatus *status,
  69                int options) override;
  70
  71   void fetch_registers (regcache *regcache, int regno) override;
  72
  73   void store_registers (regcache *regcache, int regno) override;
  74
  75   int read_memory (CORE_ADDR memaddr, unsigned char *myaddr,
  76                    int len) override;
  77
  78   int write_memory (CORE_ADDR memaddr, const unsigned char *myaddr,
  79                     int len) override;
  80
  81   void request_interrupt () override;
  82
  83   bool supports_read_auxv () override;
  84
  85   int read_auxv (CORE_ADDR offset, unsigned char *myaddr,
  86                  unsigned int len) override;
  87
  88   bool supports_z_point_type (char z_type) override;
  89
  90   int insert_point (enum raw_bkpt_type type, CORE_ADDR addr,
  91                     int size, raw_breakpoint *bp) override;
  92
  93   int remove_point (enum raw_bkpt_type type, CORE_ADDR addr,
  94                     int size, raw_breakpoint *bp) override;
  95
  96   bool supports_hardware_single_step () override;
  97
  98   bool stopped_by_watchpoint () override;
  99
 100   CORE_ADDR stopped_data_address () override;
 101
 102   const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override;
 103 };
 104
 105 /* The inferior's target description.  This is a global because the
 106    LynxOS ports support neither bi-arch nor multi-process.  */
 107 extern const struct target_desc *nto_tdesc;
 108
 109 #endif /* GDBSERVER_NTO_LOW_H */