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1 | /* Copyright (C) 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_NETBSD_LOW_H | |
19 | #define GDBSERVER_NETBSD_LOW_H | |
20 | ||
21 | struct regcache; | |
22 | struct target_desc; | |
23 | ||
24 | /* Some information relative to a given register set. */ | |
25 | ||
26 | struct netbsd_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 | ||
62ba5048 KR |
38 | /* Target ops definitions for a NetBSD target. */ |
39 | ||
40 | class netbsd_process_target : public process_stratum_target | |
41 | { | |
42 | public: | |
43 | ||
44 | int create_inferior (const char *program, | |
45 | const std::vector<char *> &program_args) override; | |
46 | ||
47 | void post_create_inferior () override; | |
48 | ||
49 | int attach (unsigned long pid) override; | |
50 | ||
51 | int kill (process_info *proc) override; | |
52 | ||
53 | int detach (process_info *proc) override; | |
54 | ||
55 | void mourn (process_info *proc) override; | |
56 | ||
57 | void join (int pid) override; | |
58 | ||
59 | bool thread_alive (ptid_t pid) override; | |
60 | ||
61 | void resume (thread_resume *resume_info, size_t n) override; | |
62 | ||
63 | ptid_t wait (ptid_t ptid, target_waitstatus *status, | |
b60cea74 | 64 | target_wait_flags options) override; |
62ba5048 KR |
65 | |
66 | void fetch_registers (regcache *regcache, int regno) override; | |
67 | ||
68 | void store_registers (regcache *regcache, int regno) override; | |
69 | ||
70 | int read_memory (CORE_ADDR memaddr, unsigned char *myaddr, | |
71 | int len) override; | |
72 | ||
73 | int write_memory (CORE_ADDR memaddr, const unsigned char *myaddr, | |
74 | int len) override; | |
75 | ||
76 | void request_interrupt () override; | |
77 | ||
78 | bool supports_read_auxv () override; | |
79 | ||
80 | int read_auxv (CORE_ADDR offset, unsigned char *myaddr, | |
81 | unsigned int len) override; | |
82 | ||
83 | bool supports_hardware_single_step () override; | |
84 | ||
85 | const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override; | |
86 | ||
87 | bool supports_z_point_type (char z_type) override; | |
88 | ||
89 | int insert_point (enum raw_bkpt_type type, CORE_ADDR addr, | |
90 | int size, struct raw_breakpoint *bp) override; | |
91 | ||
92 | int remove_point (enum raw_bkpt_type type, CORE_ADDR addr, | |
93 | int size, struct raw_breakpoint *bp) override; | |
94 | ||
95 | bool stopped_by_sw_breakpoint () override; | |
96 | ||
97 | bool supports_qxfer_siginfo () override; | |
98 | ||
99 | int qxfer_siginfo (const char *annex, unsigned char *readbuf, | |
100 | unsigned const char *writebuf, CORE_ADDR offset, | |
101 | int len) override; | |
102 | ||
103 | bool supports_stopped_by_sw_breakpoint () override; | |
104 | ||
105 | bool supports_non_stop () override; | |
106 | ||
107 | bool supports_multi_process () override; | |
108 | ||
109 | bool supports_fork_events () override; | |
110 | ||
111 | bool supports_vfork_events () override; | |
112 | ||
113 | bool supports_exec_events () override; | |
114 | ||
115 | bool supports_disable_randomization () override; | |
116 | ||
117 | bool supports_qxfer_libraries_svr4 () override; | |
118 | ||
119 | int qxfer_libraries_svr4 (const char*, unsigned char*, const unsigned char*, | |
120 | CORE_ADDR, int) override; | |
121 | ||
122 | bool supports_pid_to_exec_file () override; | |
123 | ||
124 | char *pid_to_exec_file (int pid) override; | |
125 | ||
126 | const char *thread_name (ptid_t thread) override; | |
127 | ||
128 | bool supports_catch_syscall () override; | |
62ba5048 | 129 | |
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130 | protected: |
131 | /* The architecture-specific "low" methods are listed below. */ | |
62ba5048 | 132 | |
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133 | /* Return the information to access registers. */ |
134 | virtual const netbsd_regset_info *get_regs_info () = 0; | |
135 | ||
136 | /* Architecture-specific setup for the current process. */ | |
137 | virtual void low_arch_setup () = 0; | |
138 | }; | |
62ba5048 | 139 | |
15397b0e | 140 | extern netbsd_process_target *the_netbsd_target; |
62ba5048 KR |
141 | |
142 | #endif /* GDBSERVER_NETBSD_LOW_H */ |