| 1 | /* Internal interfaces for the Win32 specific target code for gdbserver. |
| 2 | Copyright (C) 2007-2020 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_WIN32_LOW_H |
| 20 | #define GDBSERVER_WIN32_LOW_H |
| 21 | |
| 22 | #include <windows.h> |
| 23 | |
| 24 | struct target_desc; |
| 25 | |
| 26 | /* The inferior's target description. This is a global because the |
| 27 | Windows ports support neither bi-arch nor multi-process. */ |
| 28 | extern const struct target_desc *win32_tdesc; |
| 29 | |
| 30 | /* Thread information structure used to track extra information about |
| 31 | each thread. */ |
| 32 | typedef struct win32_thread_info |
| 33 | { |
| 34 | /* The Win32 thread identifier. */ |
| 35 | DWORD tid; |
| 36 | |
| 37 | /* The handle to the thread. */ |
| 38 | HANDLE h; |
| 39 | |
| 40 | /* Thread Information Block address. */ |
| 41 | CORE_ADDR thread_local_base; |
| 42 | |
| 43 | /* Non zero if SuspendThread was called on this thread. */ |
| 44 | int suspended; |
| 45 | |
| 46 | #ifdef _WIN32_WCE |
| 47 | /* The context as retrieved right after suspending the thread. */ |
| 48 | CONTEXT base_context; |
| 49 | #endif |
| 50 | |
| 51 | /* The context of the thread, including any manipulations. */ |
| 52 | CONTEXT context; |
| 53 | |
| 54 | /* Whether debug registers changed since we last set CONTEXT back to |
| 55 | the thread. */ |
| 56 | int debug_registers_changed; |
| 57 | } win32_thread_info; |
| 58 | |
| 59 | struct win32_target_ops |
| 60 | { |
| 61 | /* Architecture-specific setup. */ |
| 62 | void (*arch_setup) (void); |
| 63 | |
| 64 | /* The number of target registers. */ |
| 65 | int num_regs; |
| 66 | |
| 67 | /* Perform initializations on startup. */ |
| 68 | void (*initial_stuff) (void); |
| 69 | |
| 70 | /* Fetch the context from the inferior. */ |
| 71 | void (*get_thread_context) (win32_thread_info *th); |
| 72 | |
| 73 | /* Called just before resuming the thread. */ |
| 74 | void (*prepare_to_resume) (win32_thread_info *th); |
| 75 | |
| 76 | /* Called when a thread was added. */ |
| 77 | void (*thread_added) (win32_thread_info *th); |
| 78 | |
| 79 | /* Fetch register from gdbserver regcache data. */ |
| 80 | void (*fetch_inferior_register) (struct regcache *regcache, |
| 81 | win32_thread_info *th, int r); |
| 82 | |
| 83 | /* Store a new register value into the thread context of TH. */ |
| 84 | void (*store_inferior_register) (struct regcache *regcache, |
| 85 | win32_thread_info *th, int r); |
| 86 | |
| 87 | void (*single_step) (win32_thread_info *th); |
| 88 | |
| 89 | const unsigned char *breakpoint; |
| 90 | int breakpoint_len; |
| 91 | |
| 92 | /* Breakpoint/Watchpoint related functions. See target.h for comments. */ |
| 93 | int (*supports_z_point_type) (char z_type); |
| 94 | int (*insert_point) (enum raw_bkpt_type type, CORE_ADDR addr, |
| 95 | int size, struct raw_breakpoint *bp); |
| 96 | int (*remove_point) (enum raw_bkpt_type type, CORE_ADDR addr, |
| 97 | int size, struct raw_breakpoint *bp); |
| 98 | int (*stopped_by_watchpoint) (void); |
| 99 | CORE_ADDR (*stopped_data_address) (void); |
| 100 | }; |
| 101 | |
| 102 | extern struct win32_target_ops the_low_target; |
| 103 | |
| 104 | /* Retrieve the context for this thread, if not already retrieved. */ |
| 105 | extern void win32_require_context (win32_thread_info *th); |
| 106 | |
| 107 | /* Map the Windows error number in ERROR to a locale-dependent error |
| 108 | message string and return a pointer to it. Typically, the values |
| 109 | for ERROR come from GetLastError. |
| 110 | |
| 111 | The string pointed to shall not be modified by the application, |
| 112 | but may be overwritten by a subsequent call to strwinerror |
| 113 | |
| 114 | The strwinerror function does not change the current setting |
| 115 | of GetLastError. */ |
| 116 | extern char * strwinerror (DWORD error); |
| 117 | |
| 118 | /* in wincecompat.c */ |
| 119 | |
| 120 | extern void to_back_slashes (char *); |
| 121 | |
| 122 | #endif /* GDBSERVER_WIN32_LOW_H */ |