| 1 | /* Copyright (C) 2010-2020 Free Software Foundation, Inc. |
| 2 | |
| 3 | This file is part of GDB. |
| 4 | |
| 5 | This program is free software; you can redistribute it and/or modify |
| 6 | it under the terms of the GNU General Public License as published by |
| 7 | the Free Software Foundation; either version 3 of the License, or |
| 8 | (at your option) any later version. |
| 9 | |
| 10 | This program is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | GNU General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public License |
| 16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #ifndef GDBSERVER_LYNX_LOW_H |
| 19 | #define GDBSERVER_LYNX_LOW_H |
| 20 | |
| 21 | struct regcache; |
| 22 | struct target_desc; |
| 23 | |
| 24 | /* Some information relative to a given register set. */ |
| 25 | |
| 26 | struct lynx_regset_info |
| 27 | { |
| 28 | /* The ptrace request needed to get/set registers of this set. */ |
| 29 | int get_request, set_request; |
| 30 | /* The size of the register set. */ |
| 31 | int size; |
| 32 | /* Fill the buffer BUF from the contents of the given REGCACHE. */ |
| 33 | void (*fill_function) (struct regcache *regcache, char *buf); |
| 34 | /* Store the register value in BUF in the given REGCACHE. */ |
| 35 | void (*store_function) (struct regcache *regcache, const char *buf); |
| 36 | }; |
| 37 | |
| 38 | /* A list of regsets for the target being debugged, terminated by an entry |
| 39 | where the size is negative. |
| 40 | |
| 41 | This list should be created by the target-specific code. */ |
| 42 | |
| 43 | extern struct lynx_regset_info lynx_target_regsets[]; |
| 44 | |
| 45 | /* The target-specific operations for LynxOS support. */ |
| 46 | |
| 47 | struct lynx_target_ops |
| 48 | { |
| 49 | /* Architecture-specific setup. */ |
| 50 | void (*arch_setup) (void); |
| 51 | }; |
| 52 | |
| 53 | extern struct lynx_target_ops the_low_target; |
| 54 | |
| 55 | /* Target ops definitions for a LynxOS target. */ |
| 56 | |
| 57 | class lynx_process_target : public process_stratum_target |
| 58 | { |
| 59 | public: |
| 60 | |
| 61 | int create_inferior (const char *program, |
| 62 | const std::vector<char *> &program_args) override; |
| 63 | |
| 64 | int attach (unsigned long pid) override; |
| 65 | |
| 66 | int kill (process_info *proc) override; |
| 67 | |
| 68 | int detach (process_info *proc) override; |
| 69 | |
| 70 | void mourn (process_info *proc) override; |
| 71 | |
| 72 | void join (int pid) override; |
| 73 | |
| 74 | bool thread_alive (ptid_t pid) override; |
| 75 | |
| 76 | void resume (thread_resume *resume_info, size_t n) override; |
| 77 | |
| 78 | ptid_t wait (ptid_t ptid, target_waitstatus *status, |
| 79 | int options) override; |
| 80 | |
| 81 | void fetch_registers (regcache *regcache, int regno) override; |
| 82 | |
| 83 | void store_registers (regcache *regcache, int regno) override; |
| 84 | |
| 85 | int read_memory (CORE_ADDR memaddr, unsigned char *myaddr, |
| 86 | int len) override; |
| 87 | |
| 88 | int write_memory (CORE_ADDR memaddr, const unsigned char *myaddr, |
| 89 | int len) override; |
| 90 | |
| 91 | void request_interrupt () override; |
| 92 | |
| 93 | bool supports_hardware_single_step () override; |
| 94 | |
| 95 | const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override; |
| 96 | }; |
| 97 | |
| 98 | /* The inferior's target description. This is a global because the |
| 99 | LynxOS ports support neither bi-arch nor multi-process. */ |
| 100 | extern const struct target_desc *lynx_tdesc; |
| 101 | |
| 102 | #endif /* GDBSERVER_LYNX_LOW_H */ |