1 /* TUI data manipulation routines. 2 3 Copyright (C) 1998-2013 Free Software Foundation, Inc. 4 5 Contributed by Hewlett-Packard Company. 6 7 This file is part of GDB. 8 9 This program is free software; you can redistribute it and/or modify 10 it under the terms of the GNU General Public License as published by 11 the Free Software Foundation; either version 3 of the License, or 12 (at your option) any later version. 13 14 This program is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 21 22 #ifndef TUI_DATA_H 23 #define TUI_DATA_H 24 25 #include "tui/tui.h" /* For enum tui_win_type. */ 26 #include "gdb_curses.h" /* For WINDOW. */ 27 28 /* This is a point definition. */ 29 struct tui_point 30 { 31 int x, y; 32 }; 33 34 /* Generic window information. */ 35 struct tui_gen_win_info 36 { 37 WINDOW *handle; /* Window handle. */ 38 enum tui_win_type type; /* Type of window. */ 39 int width; /* Window width. */ 40 int height; /* Window height. */ 41 struct tui_point origin; /* Origin of window. */ 42 void **content; /* Content of window. */ 43 int content_size; /* Size of content (# of elements). */ 44 int content_in_use; /* Can it be used, or is it already used? */ 45 int viewport_height; /* Viewport height. */ 46 int last_visible_line; /* Index of last visible line. */ 47 int is_visible; /* Whether the window is visible or not. */ 48 char *title; /* Window title to display. */ 49 }; 50 51 /* Constant definitions. */ 52 #define DEFAULT_TAB_LEN 8 53 #define NO_SRC_STRING "[ No Source Available ]" 54 #define NO_DISASSEM_STRING "[ No Assembly Available ]" 55 #define NO_REGS_STRING "[ Register Values Unavailable ]" 56 #define NO_DATA_STRING "[ No Data Values Displayed ]" 57 #define MAX_CONTENT_COUNT 100 58 #define SRC_NAME "SRC" 59 #define CMD_NAME "CMD" 60 #define DATA_NAME "REGS" 61 #define DISASSEM_NAME "ASM" 62 #define TUI_NULL_STR "" 63 #define DEFAULT_HISTORY_COUNT 25 64 #define BOX_WINDOW TRUE 65 #define DONT_BOX_WINDOW FALSE 66 #define HILITE TRUE 67 #define NO_HILITE FALSE 68 #define WITH_LOCATOR TRUE 69 #define NO_LOCATOR FALSE 70 #define EMPTY_SOURCE_PROMPT TRUE 71 #define NO_EMPTY_SOURCE_PROMPT FALSE 72 #define UNDEFINED_ITEM -1 73 #define MIN_WIN_HEIGHT 3 74 #define MIN_CMD_WIN_HEIGHT 3 75 76 /* Strings to display in the TUI status line. */ 77 #define PROC_PREFIX "In: " 78 #define LINE_PREFIX "Line: " 79 #define PC_PREFIX "PC: " 80 #define SINGLE_KEY "(SingleKey)" 81 82 /* Minimum/Maximum length of some fields displayed in the TUI status 83 line. */ 84 #define MIN_LINE_WIDTH 4 /* Use at least 4 digits for line 85 numbers. */ 86 #define MIN_PROC_WIDTH 12 87 #define MAX_TARGET_WIDTH 10 88 #define MAX_PID_WIDTH 14 89 90 #define TUI_FLOAT_REGS_NAME "$FREGS" 91 #define TUI_FLOAT_REGS_NAME_LOWER "$fregs" 92 #define TUI_GENERAL_REGS_NAME "$GREGS" 93 #define TUI_GENERAL_REGS_NAME_LOWER "$gregs" 94 #define TUI_SPECIAL_REGS_NAME "$SREGS" 95 #define TUI_SPECIAL_REGS_NAME_LOWER "$sregs" 96 #define TUI_GENERAL_SPECIAL_REGS_NAME "$REGS" 97 #define TUI_GENERAL_SPECIAL_REGS_NAME_LOWER "$regs" 98 99 /* Scroll direction enum. */ 100 enum tui_scroll_direction 101 { 102 FORWARD_SCROLL, 103 BACKWARD_SCROLL, 104 LEFT_SCROLL, 105 RIGHT_SCROLL 106 }; 107 108 109 /* General list struct. */ 110 struct tui_list 111 { 112 struct tui_win_info **list; 113 int count; 114 }; 115 116 117 /* The kinds of layouts available. */ 118 enum tui_layout_type 119 { 120 SRC_COMMAND, 121 DISASSEM_COMMAND, 122 SRC_DISASSEM_COMMAND, 123 SRC_DATA_COMMAND, 124 DISASSEM_DATA_COMMAND, 125 UNDEFINED_LAYOUT 126 }; 127 128 /* Basic data types that can be displayed in the data window. */ 129 enum tui_data_type 130 { 131 TUI_REGISTER, 132 TUI_SCALAR, 133 TUI_COMPLEX, 134 TUI_STRUCT 135 }; 136 137 /* Types of register displays. */ 138 enum tui_register_display_type 139 { 140 TUI_UNDEFINED_REGS, 141 TUI_GENERAL_REGS, 142 TUI_SFLOAT_REGS, 143 TUI_DFLOAT_REGS, 144 TUI_SPECIAL_REGS, 145 TUI_GENERAL_AND_SPECIAL_REGS 146 }; 147 148 /* Structure describing source line or line address. */ 149 struct tui_line_or_address 150 { 151 enum { LOA_LINE, LOA_ADDRESS } loa; 152 union 153 { 154 int line_no; 155 CORE_ADDR addr; 156 } u; 157 }; 158 159 /* Current Layout definition. */ 160 struct tui_layout_def 161 { 162 enum tui_win_type display_mode; 163 int split; 164 enum tui_register_display_type regs_display_type; 165 enum tui_register_display_type float_regs_display_type; 166 }; 167 168 /* Elements in the Source/Disassembly Window. */ 169 struct tui_source_element 170 { 171 char *line; 172 struct tui_line_or_address line_or_addr; 173 int is_exec_point; 174 int has_break; 175 }; 176 177 178 /* Elements in the data display window content. */ 179 struct tui_data_element 180 { 181 const char *name; 182 int item_no; /* The register number, or data display 183 number. */ 184 enum tui_data_type type; 185 void *value; 186 int highlight; 187 char *content; 188 }; 189 190 191 /* Elements in the command window content. */ 192 struct tui_command_element 193 { 194 char *line; 195 }; 196 197 #ifdef PATH_MAX 198 # define MAX_LOCATOR_ELEMENT_LEN PATH_MAX 199 #else 200 # define MAX_LOCATOR_ELEMENT_LEN 1024 201 #endif 202 203 /* Elements in the locator window content. */ 204 struct tui_locator_element 205 { 206 /* Resolved absolute filename as returned by symtab_to_fullname. */ 207 char full_name[MAX_LOCATOR_ELEMENT_LEN]; 208 char proc_name[MAX_LOCATOR_ELEMENT_LEN]; 209 int line_no; 210 CORE_ADDR addr; 211 /* Architecture associated with code at this location. */ 212 struct gdbarch *gdbarch; 213 }; 214 215 /* Flags to tell what kind of breakpoint is at current line. */ 216 #define TUI_BP_ENABLED 0x01 217 #define TUI_BP_DISABLED 0x02 218 #define TUI_BP_HIT 0x04 219 #define TUI_BP_CONDITIONAL 0x08 220 #define TUI_BP_HARDWARE 0x10 221 222 /* Position of breakpoint markers in the exec info string. */ 223 #define TUI_BP_HIT_POS 0 224 #define TUI_BP_BREAK_POS 1 225 #define TUI_EXEC_POS 2 226 #define TUI_EXECINFO_SIZE 4 227 228 typedef char tui_exec_info_content[TUI_EXECINFO_SIZE]; 229 230 /* An content element in a window. */ 231 union tui_which_element 232 { 233 struct tui_source_element source; /* The source elements. */ 234 struct tui_gen_win_info data_window; /* Data display elements. */ 235 struct tui_data_element data; /* Elements of data_window. */ 236 struct tui_command_element command; /* Command elements. */ 237 struct tui_locator_element locator; /* Locator elements. */ 238 tui_exec_info_content simple_string; /* Simple char based elements. */ 239 }; 240 241 struct tui_win_element 242 { 243 int highlight; 244 union tui_which_element which_element; 245 }; 246 247 248 /* This describes the content of the window. */ 249 typedef struct tui_win_element **tui_win_content; 250 251 252 /* This struct defines the specific information about a data display 253 window. */ 254 struct tui_data_info 255 { 256 tui_win_content data_content; /* Start of data display content. */ 257 int data_content_count; 258 tui_win_content regs_content; /* Start of regs display content. */ 259 int regs_content_count; 260 enum tui_register_display_type regs_display_type; 261 int regs_column_count; 262 int display_regs; /* Should regs be displayed at all? */ 263 struct reggroup *current_group; 264 }; 265 266 267 struct tui_source_info 268 { 269 int has_locator; /* Does locator belongs to this window? */ 270 /* Execution information window. */ 271 struct tui_gen_win_info *execution_info; 272 int horizontal_offset; /* Used for horizontal scroll. */ 273 struct tui_line_or_address start_line_or_addr; 274 275 /* It is the resolved form as returned by symtab_to_fullname. */ 276 char *fullname; 277 278 /* Architecture associated with code at this location. */ 279 struct gdbarch *gdbarch; 280 }; 281 282 283 struct tui_command_info 284 { 285 int cur_line; /* The current line position. */ 286 int curch; /* The current cursor position. */ 287 int start_line; 288 }; 289 290 291 /* This defines information about each logical window. */ 292 struct tui_win_info 293 { 294 struct tui_gen_win_info generic; /* General window information. */ 295 union 296 { 297 struct tui_source_info source_info; 298 struct tui_data_info data_display_info; 299 struct tui_command_info command_info; 300 void *opaque; 301 } 302 detail; 303 int can_highlight; /* Can this window ever be highlighted? */ 304 int is_highlighted; /* Is this window highlighted? */ 305 }; 306 307 extern int tui_win_is_source_type (enum tui_win_type win_type); 308 extern int tui_win_is_auxillary (enum tui_win_type win_type); 309 extern int tui_win_has_locator (struct tui_win_info *win_info); 310 extern void tui_set_win_highlight (struct tui_win_info *win_info, 311 int highlight); 312 313 314 /* Global Data. */ 315 extern struct tui_win_info *(tui_win_list[MAX_MAJOR_WINDOWS]); 316 317 #define TUI_SRC_WIN tui_win_list[SRC_WIN] 318 #define TUI_DISASM_WIN tui_win_list[DISASSEM_WIN] 319 #define TUI_DATA_WIN tui_win_list[DATA_WIN] 320 #define TUI_CMD_WIN tui_win_list[CMD_WIN] 321 322 /* Data Manipulation Functions. */ 323 extern void tui_initialize_static_data (void); 324 extern struct tui_gen_win_info *tui_alloc_generic_win_info (void); 325 extern struct tui_win_info *tui_alloc_win_info (enum tui_win_type); 326 extern void tui_init_generic_part (struct tui_gen_win_info *); 327 extern void tui_init_win_info (struct tui_win_info *); 328 extern tui_win_content tui_alloc_content (int, enum tui_win_type); 329 extern int tui_add_content_elements (struct tui_gen_win_info *, 330 int); 331 extern void tui_init_content_element (struct tui_win_element *, 332 enum tui_win_type); 333 extern void tui_free_window (struct tui_win_info *); 334 extern void tui_free_win_content (struct tui_gen_win_info *); 335 extern void tui_free_data_content (tui_win_content, int); 336 extern void tui_free_all_source_wins_content (void); 337 extern void tui_del_window (struct tui_win_info *); 338 extern void tui_del_data_windows (tui_win_content, int); 339 extern struct tui_win_info *tui_partial_win_by_name (char *); 340 extern char *tui_win_name (struct tui_gen_win_info *); 341 extern enum tui_layout_type tui_current_layout (void); 342 extern void tui_set_current_layout_to (enum tui_layout_type); 343 extern int tui_term_height (void); 344 extern void tui_set_term_height_to (int); 345 extern int tui_term_width (void); 346 extern void tui_set_term_width_to (int); 347 extern struct tui_gen_win_info *tui_locator_win_info_ptr (void); 348 extern struct tui_gen_win_info *tui_source_exec_info_win_ptr (void); 349 extern struct tui_gen_win_info *tui_disassem_exec_info_win_ptr (void); 350 extern struct tui_list *tui_source_windows (void); 351 extern void tui_clear_source_windows (void); 352 extern void tui_clear_source_windows_detail (void); 353 extern void tui_clear_win_detail (struct tui_win_info *); 354 extern void tui_add_to_source_windows (struct tui_win_info *); 355 extern int tui_default_tab_len (void); 356 extern void tui_set_default_tab_len (int); 357 extern struct tui_win_info *tui_win_with_focus (void); 358 extern void tui_set_win_with_focus (struct tui_win_info *); 359 extern struct tui_layout_def *tui_layout_def (void); 360 extern int tui_win_resized (void); 361 extern void tui_set_win_resized_to (int); 362 363 extern struct tui_win_info *tui_next_win (struct tui_win_info *); 364 extern struct tui_win_info *tui_prev_win (struct tui_win_info *); 365 366 extern void tui_add_to_source_windows (struct tui_win_info *); 367 368 #endif /* TUI_DATA_H */ 369