Commit | Line | Data |
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68070c10 | 1 | /* Internal interfaces for the Win32 specific target code for gdbserver. |
b811d2c2 | 2 | Copyright (C) 2007-2020 Free Software Foundation, Inc. |
68070c10 PA |
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 | |
a9762ec7 | 8 | the Free Software Foundation; either version 3 of the License, or |
68070c10 PA |
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 | |
a9762ec7 | 17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
68070c10 | 18 | |
1a5c2598 TT |
19 | #ifndef GDBSERVER_WIN32_LOW_H |
20 | #define GDBSERVER_WIN32_LOW_H | |
21 | ||
68070c10 | 22 | #include <windows.h> |
ae1f8880 | 23 | #include "nat/windows-nat.h" |
68070c10 | 24 | |
3aee8918 PA |
25 | struct target_desc; |
26 | ||
27 | /* The inferior's target description. This is a global because the | |
28 | Windows ports support neither bi-arch nor multi-process. */ | |
29 | extern const struct target_desc *win32_tdesc; | |
7d186bc0 HD |
30 | #ifdef __x86_64__ |
31 | extern const struct target_desc *wow64_win32_tdesc; | |
32 | ||
33 | extern bool wow64_process; | |
34 | ||
35 | typedef BOOL (WINAPI *winapi_Wow64GetThreadContext) (HANDLE, PWOW64_CONTEXT); | |
36 | extern winapi_Wow64GetThreadContext win32_Wow64GetThreadContext; | |
37 | #endif | |
3aee8918 | 38 | |
68070c10 PA |
39 | struct win32_target_ops |
40 | { | |
d05b4ac3 UW |
41 | /* Architecture-specific setup. */ |
42 | void (*arch_setup) (void); | |
43 | ||
34b34921 | 44 | /* The number of target registers. */ |
7d186bc0 | 45 | int (*num_regs) (void); |
68070c10 | 46 | |
34b34921 | 47 | /* Perform initializations on startup. */ |
68070c10 PA |
48 | void (*initial_stuff) (void); |
49 | ||
34b34921 | 50 | /* Fetch the context from the inferior. */ |
4834dad0 | 51 | void (*get_thread_context) (windows_nat::windows_thread_info *th); |
68070c10 | 52 | |
a2abc7de | 53 | /* Called just before resuming the thread. */ |
4834dad0 | 54 | void (*prepare_to_resume) (windows_nat::windows_thread_info *th); |
34b34921 PA |
55 | |
56 | /* Called when a thread was added. */ | |
4834dad0 | 57 | void (*thread_added) (windows_nat::windows_thread_info *th); |
34b34921 PA |
58 | |
59 | /* Fetch register from gdbserver regcache data. */ | |
442ea881 | 60 | void (*fetch_inferior_register) (struct regcache *regcache, |
4834dad0 TT |
61 | windows_nat::windows_thread_info *th, |
62 | int r); | |
34b34921 PA |
63 | |
64 | /* Store a new register value into the thread context of TH. */ | |
442ea881 | 65 | void (*store_inferior_register) (struct regcache *regcache, |
4834dad0 TT |
66 | windows_nat::windows_thread_info *th, |
67 | int r); | |
68070c10 | 68 | |
4834dad0 | 69 | void (*single_step) (windows_nat::windows_thread_info *th); |
68070c10 PA |
70 | |
71 | const unsigned char *breakpoint; | |
72 | int breakpoint_len; | |
aa5ca48f | 73 | |
e54e5929 TT |
74 | /* Amount by which to decrement the PC after a breakpoint is |
75 | hit. */ | |
76 | int decr_pc_after_break; | |
77 | ||
d6225aff TT |
78 | /* Get the PC register from REGCACHE. */ |
79 | CORE_ADDR (*get_pc) (struct regcache *regcache); | |
80 | /* Set the PC register in REGCACHE. */ | |
81 | void (*set_pc) (struct regcache *regcache, CORE_ADDR newpc); | |
82 | ||
aa5ca48f | 83 | /* Breakpoint/Watchpoint related functions. See target.h for comments. */ |
802e8e6d PA |
84 | int (*supports_z_point_type) (char z_type); |
85 | int (*insert_point) (enum raw_bkpt_type type, CORE_ADDR addr, | |
86 | int size, struct raw_breakpoint *bp); | |
87 | int (*remove_point) (enum raw_bkpt_type type, CORE_ADDR addr, | |
88 | int size, struct raw_breakpoint *bp); | |
aa5ca48f DE |
89 | int (*stopped_by_watchpoint) (void); |
90 | CORE_ADDR (*stopped_data_address) (void); | |
68070c10 PA |
91 | }; |
92 | ||
93 | extern struct win32_target_ops the_low_target; | |
94 | ||
5ef9273d TBA |
95 | /* Target ops definitions for a Win32 target. */ |
96 | ||
52405d85 | 97 | class win32_process_target : public process_stratum_target |
5ef9273d TBA |
98 | { |
99 | public: | |
100 | ||
15295543 TBA |
101 | int create_inferior (const char *program, |
102 | const std::vector<char *> &program_args) override; | |
ef03dad8 TBA |
103 | |
104 | int attach (unsigned long pid) override; | |
c6885a57 TBA |
105 | |
106 | int kill (process_info *proc) override; | |
9061c9cf TBA |
107 | |
108 | int detach (process_info *proc) override; | |
8adb37b9 TBA |
109 | |
110 | void mourn (process_info *proc) override; | |
95a49a39 TBA |
111 | |
112 | void join (int pid) override; | |
13d3d99b TBA |
113 | |
114 | bool thread_alive (ptid_t pid) override; | |
0e4d7e35 TBA |
115 | |
116 | void resume (thread_resume *resume_info, size_t n) override; | |
6532e7e3 TBA |
117 | |
118 | ptid_t wait (ptid_t ptid, target_waitstatus *status, | |
119 | int options) override; | |
a5a4d4cd TBA |
120 | |
121 | void fetch_registers (regcache *regcache, int regno) override; | |
122 | ||
123 | void store_registers (regcache *regcache, int regno) override; | |
e2558df3 TBA |
124 | |
125 | int read_memory (CORE_ADDR memaddr, unsigned char *myaddr, | |
126 | int len) override; | |
127 | ||
128 | int write_memory (CORE_ADDR memaddr, const unsigned char *myaddr, | |
129 | int len) override; | |
eb497a2a TBA |
130 | |
131 | void request_interrupt () override; | |
a2b2297a TBA |
132 | |
133 | bool supports_z_point_type (char z_type) override; | |
7e0bde70 TBA |
134 | |
135 | int insert_point (enum raw_bkpt_type type, CORE_ADDR addr, | |
136 | int size, raw_breakpoint *bp) override; | |
137 | ||
138 | int remove_point (enum raw_bkpt_type type, CORE_ADDR addr, | |
139 | int size, raw_breakpoint *bp) override; | |
22aa6223 TBA |
140 | |
141 | bool supports_hardware_single_step () override; | |
6eeb5c55 TBA |
142 | |
143 | bool stopped_by_watchpoint () override; | |
144 | ||
145 | CORE_ADDR stopped_data_address () override; | |
ea06bbaa TBA |
146 | |
147 | #ifdef _WIN32_WCE | |
148 | void hostio_last_error (char *buf) override; | |
149 | #endif | |
d7abedf7 TBA |
150 | |
151 | bool supports_qxfer_siginfo () override; | |
152 | ||
153 | int qxfer_siginfo (const char *annex, unsigned char *readbuf, | |
154 | unsigned const char *writebuf, | |
155 | CORE_ADDR offset, int len) override; | |
4e2e869c TBA |
156 | |
157 | bool supports_get_tib_address () override; | |
158 | ||
159 | int get_tib_address (ptid_t ptid, CORE_ADDR *addr) override; | |
d367006f TBA |
160 | |
161 | const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override; | |
d6225aff TT |
162 | |
163 | CORE_ADDR read_pc (regcache *regcache) override; | |
164 | ||
165 | void write_pc (regcache *regcache, CORE_ADDR pc) override; | |
523d4f80 TT |
166 | |
167 | bool stopped_by_sw_breakpoint () override; | |
168 | ||
169 | bool supports_stopped_by_sw_breakpoint () override; | |
5ef9273d TBA |
170 | }; |
171 | ||
a2abc7de | 172 | /* Retrieve the context for this thread, if not already retrieved. */ |
4834dad0 | 173 | extern void win32_require_context (windows_nat::windows_thread_info *th); |
a2abc7de | 174 | |
68070c10 PA |
175 | /* Map the Windows error number in ERROR to a locale-dependent error |
176 | message string and return a pointer to it. Typically, the values | |
177 | for ERROR come from GetLastError. | |
178 | ||
179 | The string pointed to shall not be modified by the application, | |
180 | but may be overwritten by a subsequent call to strwinerror | |
181 | ||
182 | The strwinerror function does not change the current setting | |
183 | of GetLastError. */ | |
184 | extern char * strwinerror (DWORD error); | |
185 | ||
1a5c2598 | 186 | #endif /* GDBSERVER_WIN32_LOW_H */ |