| 1 | /* Tcl/Tk command definitions for gdbtk. |
| 2 | Copyright 1994, 1995, 1996, 1997, 1998 Free Software Foundation, Inc. |
| 3 | |
| 4 | Written by Stu Grossman <grossman@cygnus.com> of Cygnus Support. |
| 5 | |
| 6 | This file is part of GDB. |
| 7 | |
| 8 | This program is free software; you can redistribute it and/or modify |
| 9 | it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation; either version 2 of the License, or |
| 11 | (at your option) any later version. |
| 12 | |
| 13 | This program is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program; if not, write to the Free Software |
| 20 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
| 21 | |
| 22 | #include "defs.h" |
| 23 | #include "symtab.h" |
| 24 | #include "inferior.h" |
| 25 | #include "command.h" |
| 26 | #include "bfd.h" |
| 27 | #include "symfile.h" |
| 28 | #include "objfiles.h" |
| 29 | #include "target.h" |
| 30 | #include "gdbcore.h" |
| 31 | #include "tracepoint.h" |
| 32 | #include "demangle.h" |
| 33 | |
| 34 | #ifdef _WIN32 |
| 35 | #include <winuser.h> |
| 36 | #endif |
| 37 | |
| 38 | #include <sys/stat.h> |
| 39 | |
| 40 | #include <tcl.h> |
| 41 | #include <tk.h> |
| 42 | #include <itcl.h> |
| 43 | #include <tix.h> |
| 44 | #include "guitcl.h" |
| 45 | #include "gdbtk.h" |
| 46 | |
| 47 | #ifdef IDE |
| 48 | /* start-sanitize-ide */ |
| 49 | #include "event.h" |
| 50 | #include "idetcl.h" |
| 51 | #include "ilutk.h" |
| 52 | /* end-sanitize-ide */ |
| 53 | #endif |
| 54 | |
| 55 | #ifdef ANSI_PROTOTYPES |
| 56 | #include <stdarg.h> |
| 57 | #else |
| 58 | #include <varargs.h> |
| 59 | #endif |
| 60 | #include <signal.h> |
| 61 | #include <fcntl.h> |
| 62 | #include <unistd.h> |
| 63 | #include <setjmp.h> |
| 64 | #include "top.h" |
| 65 | #include <sys/ioctl.h> |
| 66 | #include "gdb_string.h" |
| 67 | #include "dis-asm.h" |
| 68 | #include <stdio.h> |
| 69 | #include "gdbcmd.h" |
| 70 | |
| 71 | #include "annotate.h" |
| 72 | #include <sys/time.h> |
| 73 | |
| 74 | /* This structure filled in call_wrapper and passed to |
| 75 | the wrapped call function. |
| 76 | It stores the command pointer and arguments |
| 77 | run in the wrapper function. */ |
| 78 | |
| 79 | struct wrapped_call_args |
| 80 | { |
| 81 | Tcl_Interp *interp; |
| 82 | Tcl_ObjCmdProc *func; |
| 83 | int objc; |
| 84 | Tcl_Obj *CONST *objv; |
| 85 | int val; |
| 86 | }; |
| 87 | |
| 88 | /* These two objects hold boolean true and false, |
| 89 | and are shared by all the list objects that gdb_listfuncs |
| 90 | returns. */ |
| 91 | |
| 92 | static Tcl_Obj *mangled, *not_mangled; |
| 93 | |
| 94 | /* These two control how the GUI behaves when gdb is either tracing or loading. |
| 95 | They are used in this file & gdbtk_hooks.c */ |
| 96 | |
| 97 | int No_Update = 0; |
| 98 | int load_in_progress = 0; |
| 99 | |
| 100 | /* |
| 101 | * This is used in the register fetching routines |
| 102 | */ |
| 103 | |
| 104 | #ifndef REGISTER_CONVERTIBLE |
| 105 | #define REGISTER_CONVERTIBLE(x) (0 != 0) |
| 106 | #endif |
| 107 | |
| 108 | #ifndef REGISTER_CONVERT_TO_VIRTUAL |
| 109 | #define REGISTER_CONVERT_TO_VIRTUAL(x, y, z, a) |
| 110 | #endif |
| 111 | |
| 112 | #ifndef INVALID_FLOAT |
| 113 | #define INVALID_FLOAT(x, y) (0 != 0) |
| 114 | #endif |
| 115 | |
| 116 | |
| 117 | |
| 118 | /* This Structure is used in gdb_disassemble. |
| 119 | We need a different sort of line table from the normal one cuz we can't |
| 120 | depend upon implicit line-end pc's for lines to do the |
| 121 | reordering in this function. */ |
| 122 | |
| 123 | struct my_line_entry { |
| 124 | int line; |
| 125 | CORE_ADDR start_pc; |
| 126 | CORE_ADDR end_pc; |
| 127 | }; |
| 128 | |
| 129 | /* This contains the previous values of the registers, since the last call to |
| 130 | gdb_changed_register_list. */ |
| 131 | |
| 132 | static char old_regs[REGISTER_BYTES]; |
| 133 | |
| 134 | /* |
| 135 | * These are routines we need from breakpoint.c. |
| 136 | * at some point make these static in breakpoint.c and move GUI code there |
| 137 | */ |
| 138 | |
| 139 | extern struct breakpoint *set_raw_breakpoint (struct symtab_and_line sal); |
| 140 | extern void set_breakpoint_count (int); |
| 141 | extern int breakpoint_count; |
| 142 | |
| 143 | |
| 144 | /* |
| 145 | * Declarations for routines used only in this file. |
| 146 | */ |
| 147 | |
| 148 | int Gdbtk_Init (Tcl_Interp *interp); |
| 149 | static int compare_lines PARAMS ((const PTR, const PTR)); |
| 150 | static int comp_files PARAMS ((const void *, const void *)); |
| 151 | static int call_wrapper PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 152 | static int gdb_actions_command PARAMS ((ClientData, Tcl_Interp *, int, |
| 153 | Tcl_Obj *CONST objv[])); |
| 154 | static int gdb_changed_register_list PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 155 | static int gdb_clear_file PARAMS ((ClientData, Tcl_Interp *interp, int, Tcl_Obj *CONST [])); |
| 156 | static int gdb_cmd PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 157 | static int gdb_confirm_quit PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 158 | static int gdb_disassemble PARAMS ((ClientData, Tcl_Interp *, int, |
| 159 | Tcl_Obj *CONST [])); |
| 160 | static int gdb_eval PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 161 | static int gdb_fetch_registers PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 162 | static int gdb_find_file_command PARAMS ((ClientData, Tcl_Interp *, int, |
| 163 | Tcl_Obj *CONST objv[])); |
| 164 | static int gdb_force_quit PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 165 | static struct symtab *full_lookup_symtab PARAMS ((char *file)); |
| 166 | static int gdb_get_args_command PARAMS ((ClientData, Tcl_Interp *, int, |
| 167 | Tcl_Obj *CONST objv[])); |
| 168 | static int gdb_get_breakpoint_info PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 169 | static int gdb_get_breakpoint_list PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 170 | static int gdb_get_file_command PARAMS ((ClientData, Tcl_Interp *, int, |
| 171 | Tcl_Obj *CONST objv[])); |
| 172 | static int gdb_get_function_command PARAMS ((ClientData, Tcl_Interp *, int, |
| 173 | Tcl_Obj *CONST objv[])); |
| 174 | static int gdb_get_line_command PARAMS ((ClientData, Tcl_Interp *, int, |
| 175 | Tcl_Obj *CONST objv[])); |
| 176 | static int gdb_get_locals_command PARAMS ((ClientData, Tcl_Interp *, int, |
| 177 | Tcl_Obj *CONST objv[])); |
| 178 | static int gdb_get_mem PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 179 | static int gdb_get_trace_frame_num PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); |
| 180 | static int gdb_get_tracepoint_list PARAMS ((ClientData, Tcl_Interp *, int, |
| 181 | Tcl_Obj *CONST objv[])); |
| 182 | static int gdb_get_vars_command PARAMS ((ClientData, Tcl_Interp *, int, |
| 183 | Tcl_Obj *CONST objv[])); |
| 184 | static int gdb_immediate_command PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 185 | static int gdb_listfiles PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 186 | static int gdb_listfuncs PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 187 | static int gdb_loadfile PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); |
| 188 | static int gdb_load_info PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); |
| 189 | static int gdb_loc PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 190 | static int gdb_path_conv PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 191 | static int gdb_prompt_command PARAMS ((ClientData, Tcl_Interp *, int, |
| 192 | Tcl_Obj *CONST objv[])); |
| 193 | static int gdb_regnames PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 194 | static int gdb_search PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST |
| 195 | objv[])); |
| 196 | static int gdb_set_bp PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); |
| 197 | static int gdb_stop PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 198 | static int gdb_target_has_execution_command PARAMS ((ClientData, Tcl_Interp *, |
| 199 | int, |
| 200 | Tcl_Obj *CONST [])); |
| 201 | static int gdb_trace_status PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 202 | static int gdb_tracepoint_exists_command PARAMS ((ClientData, Tcl_Interp *, |
| 203 | int, |
| 204 | Tcl_Obj *CONST objv[])); |
| 205 | static int gdb_get_tracepoint_info PARAMS ((ClientData, Tcl_Interp *, int, |
| 206 | Tcl_Obj *CONST objv[])); |
| 207 | static void gdbtk_create_breakpoint PARAMS ((struct breakpoint *)); |
| 208 | static int gdbtk_dis_asm_read_memory PARAMS ((bfd_vma, bfd_byte *, int, disassemble_info *)); |
| 209 | static void gdbtk_create_tracepoint PARAMS ((struct tracepoint *)); |
| 210 | static void gdbtk_delete_breakpoint PARAMS ((struct breakpoint *)); |
| 211 | static void gdbtk_delete_tracepoint PARAMS ((struct tracepoint *)); |
| 212 | static void gdbtk_modify_breakpoint PARAMS ((struct breakpoint *)); |
| 213 | static void gdbtk_modify_tracepoint PARAMS ((struct tracepoint *)); |
| 214 | static void gdbtk_print_frame_info PARAMS ((struct symtab *, int, int, int)); |
| 215 | static void gdbtk_readline_end PARAMS ((void)); |
| 216 | static int get_pc_register PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 217 | char * get_prompt PARAMS ((void)); |
| 218 | static void get_register PARAMS ((int, void *)); |
| 219 | static void get_register_name PARAMS ((int, void *)); |
| 220 | static int map_arg_registers PARAMS ((int, Tcl_Obj *CONST [], void (*) (int, void *), void *)); |
| 221 | static void pc_changed PARAMS ((void)); |
| 222 | static int perror_with_name_wrapper PARAMS ((char *args)); |
| 223 | static void register_changed_p PARAMS ((int, void *)); |
| 224 | void TclDebug PARAMS ((const char *fmt, ...)); |
| 225 | static int wrapped_call (char *opaque_args); |
| 226 | \f |
| 227 | /* Gdbtk_Init |
| 228 | * This loads all the Tcl commands into the Tcl interpreter. |
| 229 | * |
| 230 | * Arguments: |
| 231 | * interp - The interpreter into which to load the commands. |
| 232 | * |
| 233 | * Result: |
| 234 | * A standard Tcl result. |
| 235 | */ |
| 236 | |
| 237 | int |
| 238 | Gdbtk_Init (interp) |
| 239 | Tcl_Interp *interp; |
| 240 | { |
| 241 | Tcl_CreateObjCommand (interp, "gdb_cmd", call_wrapper, gdb_cmd, NULL); |
| 242 | Tcl_CreateObjCommand (interp, "gdb_immediate", call_wrapper, |
| 243 | gdb_immediate_command, NULL); |
| 244 | Tcl_CreateObjCommand (interp, "gdb_loc", call_wrapper, gdb_loc, NULL); |
| 245 | Tcl_CreateObjCommand (interp, "gdb_path_conv", call_wrapper, gdb_path_conv, NULL); |
| 246 | Tcl_CreateObjCommand (interp, "gdb_listfiles", call_wrapper, gdb_listfiles, NULL); |
| 247 | Tcl_CreateObjCommand (interp, "gdb_listfuncs", call_wrapper, gdb_listfuncs, |
| 248 | NULL); |
| 249 | Tcl_CreateObjCommand (interp, "gdb_get_mem", call_wrapper, gdb_get_mem, |
| 250 | NULL); |
| 251 | Tcl_CreateObjCommand (interp, "gdb_stop", call_wrapper, gdb_stop, NULL); |
| 252 | Tcl_CreateObjCommand (interp, "gdb_regnames", call_wrapper, gdb_regnames, NULL); |
| 253 | Tcl_CreateObjCommand (interp, "gdb_fetch_registers", call_wrapper, |
| 254 | gdb_fetch_registers, NULL); |
| 255 | Tcl_CreateObjCommand (interp, "gdb_changed_register_list", call_wrapper, |
| 256 | gdb_changed_register_list, NULL); |
| 257 | Tcl_CreateObjCommand (interp, "gdb_disassemble", call_wrapper, |
| 258 | gdb_disassemble, NULL); |
| 259 | Tcl_CreateObjCommand (interp, "gdb_eval", call_wrapper, gdb_eval, NULL); |
| 260 | Tcl_CreateObjCommand (interp, "gdb_get_breakpoint_list", call_wrapper, |
| 261 | gdb_get_breakpoint_list, NULL); |
| 262 | Tcl_CreateObjCommand (interp, "gdb_get_breakpoint_info", call_wrapper, |
| 263 | gdb_get_breakpoint_info, NULL); |
| 264 | Tcl_CreateObjCommand (interp, "gdb_clear_file", call_wrapper, |
| 265 | gdb_clear_file, NULL); |
| 266 | Tcl_CreateObjCommand (interp, "gdb_confirm_quit", call_wrapper, |
| 267 | gdb_confirm_quit, NULL); |
| 268 | Tcl_CreateObjCommand (interp, "gdb_force_quit", call_wrapper, |
| 269 | gdb_force_quit, NULL); |
| 270 | Tcl_CreateObjCommand (interp, "gdb_target_has_execution", |
| 271 | call_wrapper, |
| 272 | gdb_target_has_execution_command, NULL); |
| 273 | Tcl_CreateObjCommand (interp, "gdb_is_tracing", |
| 274 | call_wrapper, gdb_trace_status, |
| 275 | NULL); |
| 276 | Tcl_CreateObjCommand (interp, "gdb_load_info", call_wrapper, gdb_load_info, NULL); |
| 277 | Tcl_CreateObjCommand (interp, "gdb_get_locals", call_wrapper, gdb_get_locals_command, |
| 278 | NULL); |
| 279 | Tcl_CreateObjCommand (interp, "gdb_get_args", call_wrapper, gdb_get_args_command, |
| 280 | NULL); |
| 281 | Tcl_CreateObjCommand (interp, "gdb_get_function", call_wrapper, gdb_get_function_command, |
| 282 | NULL); |
| 283 | Tcl_CreateObjCommand (interp, "gdb_get_line", call_wrapper, gdb_get_line_command, |
| 284 | NULL); |
| 285 | Tcl_CreateObjCommand (interp, "gdb_get_file", call_wrapper, gdb_get_file_command, |
| 286 | NULL); |
| 287 | Tcl_CreateObjCommand (interp, "gdb_tracepoint_exists", |
| 288 | call_wrapper, gdb_tracepoint_exists_command, NULL); |
| 289 | Tcl_CreateObjCommand (interp, "gdb_get_tracepoint_info", |
| 290 | call_wrapper, gdb_get_tracepoint_info, NULL); |
| 291 | Tcl_CreateObjCommand (interp, "gdb_actions", |
| 292 | call_wrapper, gdb_actions_command, NULL); |
| 293 | Tcl_CreateObjCommand (interp, "gdb_prompt", |
| 294 | call_wrapper, gdb_prompt_command, NULL); |
| 295 | Tcl_CreateObjCommand (interp, "gdb_find_file", |
| 296 | call_wrapper, gdb_find_file_command, NULL); |
| 297 | Tcl_CreateObjCommand (interp, "gdb_get_tracepoint_list", |
| 298 | call_wrapper, gdb_get_tracepoint_list, NULL); |
| 299 | Tcl_CreateObjCommand (interp, "gdb_pc_reg", call_wrapper, get_pc_register, NULL); |
| 300 | Tcl_CreateObjCommand (interp, "gdb_loadfile", call_wrapper, gdb_loadfile, NULL); |
| 301 | Tcl_CreateObjCommand (gdbtk_interp, "gdb_search", call_wrapper, |
| 302 | gdb_search, NULL); |
| 303 | Tcl_CreateObjCommand (interp, "gdb_set_bp", call_wrapper, gdb_set_bp, NULL); |
| 304 | Tcl_CreateObjCommand (interp, "gdb_get_trace_frame_num", |
| 305 | call_wrapper, gdb_get_trace_frame_num, NULL); |
| 306 | |
| 307 | Tcl_PkgProvide(interp, "Gdbtk", GDBTK_VERSION); |
| 308 | return TCL_OK; |
| 309 | } |
| 310 | |
| 311 | /* This routine acts as a top-level for all GDB code called by Tcl/Tk. It |
| 312 | handles cleanups, and uses catch_errors to trap calls to return_to_top_level |
| 313 | (usually via error). |
| 314 | This is necessary in order to prevent a longjmp out of the bowels of Tk, |
| 315 | possibly leaving things in a bad state. Since this routine can be called |
| 316 | recursively, it needs to save and restore the contents of the result_ptr as |
| 317 | necessary. */ |
| 318 | |
| 319 | static int |
| 320 | call_wrapper (clientData, interp, objc, objv) |
| 321 | ClientData clientData; |
| 322 | Tcl_Interp *interp; |
| 323 | int objc; |
| 324 | Tcl_Obj *CONST objv[]; |
| 325 | { |
| 326 | struct wrapped_call_args wrapped_args; |
| 327 | gdbtk_result new_result, *old_result_ptr; |
| 328 | int length; |
| 329 | |
| 330 | old_result_ptr = result_ptr; |
| 331 | result_ptr = &new_result; |
| 332 | result_ptr->obj_ptr = Tcl_NewObj(); |
| 333 | result_ptr->flags = GDBTK_TO_RESULT; |
| 334 | |
| 335 | wrapped_args.func = (Tcl_ObjCmdProc *) clientData; |
| 336 | wrapped_args.interp = interp; |
| 337 | wrapped_args.objc = objc; |
| 338 | wrapped_args.objv = objv; |
| 339 | wrapped_args.val = TCL_OK; |
| 340 | |
| 341 | if (!catch_errors (wrapped_call, &wrapped_args, "", RETURN_MASK_ALL)) |
| 342 | { |
| 343 | |
| 344 | wrapped_args.val = TCL_ERROR; /* Flag an error for TCL */ |
| 345 | |
| 346 | /* Make sure the timer interrupts are turned off. */ |
| 347 | |
| 348 | gdbtk_stop_timer (); |
| 349 | |
| 350 | gdb_flush (gdb_stderr); /* Flush error output */ |
| 351 | gdb_flush (gdb_stdout); /* Sometimes error output comes here as well */ |
| 352 | |
| 353 | /* If we errored out here, and the results were going to the |
| 354 | console, then gdbtk_fputs will have gathered the result into the |
| 355 | result_ptr. We also need to echo them out to the console here */ |
| 356 | |
| 357 | gdb_flush (gdb_stderr); /* Flush error output */ |
| 358 | gdb_flush (gdb_stdout); /* Sometimes error output comes here as well */ |
| 359 | |
| 360 | /* In case of an error, we may need to force the GUI into idle |
| 361 | mode because gdbtk_call_command may have bombed out while in |
| 362 | the command routine. */ |
| 363 | |
| 364 | running_now = 0; |
| 365 | Tcl_Eval (interp, "gdbtk_tcl_idle"); |
| 366 | |
| 367 | } |
| 368 | |
| 369 | /* do not suppress any errors -- a remote target could have errored */ |
| 370 | load_in_progress = 0; |
| 371 | |
| 372 | /* |
| 373 | * Now copy the result over to the true Tcl result. If GDBTK_TO_RESULT flag |
| 374 | * bit is set , this just copies a null object over to the Tcl result, which is |
| 375 | * fine because we should reset the result in this case anyway. |
| 376 | */ |
| 377 | if (result_ptr->flags & GDBTK_IN_TCL_RESULT) |
| 378 | { |
| 379 | Tcl_DecrRefCount(result_ptr->obj_ptr); |
| 380 | } |
| 381 | else |
| 382 | { |
| 383 | Tcl_SetObjResult (interp, result_ptr->obj_ptr); |
| 384 | } |
| 385 | |
| 386 | result_ptr = old_result_ptr; |
| 387 | |
| 388 | #ifdef _WIN32 |
| 389 | close_bfds (); |
| 390 | #endif |
| 391 | |
| 392 | return wrapped_args.val; |
| 393 | } |
| 394 | |
| 395 | /* |
| 396 | * This is the wrapper that is passed to catch_errors. |
| 397 | */ |
| 398 | |
| 399 | static int |
| 400 | wrapped_call (opaque_args) |
| 401 | char *opaque_args; |
| 402 | { |
| 403 | struct wrapped_call_args *args = (struct wrapped_call_args *) opaque_args; |
| 404 | args->val = (*args->func) (args->func, args->interp, args->objc, args->objv); |
| 405 | return 1; |
| 406 | } |
| 407 | |
| 408 | /* This is a convenience function to sprintf something(s) into a |
| 409 | * new element in a Tcl list object. |
| 410 | */ |
| 411 | |
| 412 | static void |
| 413 | #ifdef ANSI_PROTOTYPES |
| 414 | sprintf_append_element_to_obj (Tcl_Obj *objp, char *format, ...) |
| 415 | #else |
| 416 | sprintf_append_element_to_obj (va_alist) |
| 417 | va_dcl |
| 418 | #endif |
| 419 | { |
| 420 | va_list args; |
| 421 | char buf[1024]; |
| 422 | |
| 423 | #ifdef ANSI_PROTOTYPES |
| 424 | va_start (args, format); |
| 425 | #else |
| 426 | Tcl_Obj *objp; |
| 427 | char *format; |
| 428 | |
| 429 | va_start (args); |
| 430 | dsp = va_arg (args, Tcl_Obj *); |
| 431 | format = va_arg (args, char *); |
| 432 | #endif |
| 433 | |
| 434 | vsprintf (buf, format, args); |
| 435 | |
| 436 | Tcl_ListObjAppendElement (NULL, objp, Tcl_NewStringObj (buf, -1)); |
| 437 | } |
| 438 | \f |
| 439 | /* |
| 440 | * This section contains the commands that control execution. |
| 441 | */ |
| 442 | |
| 443 | /* This implements the tcl command gdb_clear_file. |
| 444 | * |
| 445 | * Prepare to accept a new executable file. This is called when we |
| 446 | * want to clear away everything we know about the old file, without |
| 447 | * asking the user. The Tcl code will have already asked the user if |
| 448 | * necessary. After this is called, we should be able to run the |
| 449 | * `file' command without getting any questions. |
| 450 | * |
| 451 | * Arguments: |
| 452 | * None |
| 453 | * Tcl Result: |
| 454 | * None |
| 455 | */ |
| 456 | |
| 457 | static int |
| 458 | gdb_clear_file (clientData, interp, objc, objv) |
| 459 | ClientData clientData; |
| 460 | Tcl_Interp *interp; |
| 461 | int objc; |
| 462 | Tcl_Obj *CONST objv[]; |
| 463 | { |
| 464 | if (objc != 1) |
| 465 | Tcl_SetStringObj (result_ptr->obj_ptr, |
| 466 | "Wrong number of args, none are allowed.", -1); |
| 467 | |
| 468 | if (inferior_pid != 0 && target_has_execution) |
| 469 | { |
| 470 | if (attach_flag) |
| 471 | target_detach (NULL, 0); |
| 472 | else |
| 473 | target_kill (); |
| 474 | } |
| 475 | |
| 476 | if (target_has_execution) |
| 477 | pop_target (); |
| 478 | |
| 479 | symbol_file_command (NULL, 0); |
| 480 | |
| 481 | /* gdb_loc refers to stop_pc, but nothing seems to clear it, so we |
| 482 | clear it here. FIXME: This seems like an abstraction violation |
| 483 | somewhere. */ |
| 484 | stop_pc = 0; |
| 485 | |
| 486 | return TCL_OK; |
| 487 | } |
| 488 | |
| 489 | /* This implements the tcl command gdb_confirm_quit |
| 490 | * Ask the user to confirm an exit request. |
| 491 | * |
| 492 | * Arguments: |
| 493 | * None |
| 494 | * Tcl Result: |
| 495 | * A boolean, 1 if the user answered yes, 0 if no. |
| 496 | */ |
| 497 | |
| 498 | static int |
| 499 | gdb_confirm_quit (clientData, interp, objc, objv) |
| 500 | ClientData clientData; |
| 501 | Tcl_Interp *interp; |
| 502 | int objc; |
| 503 | Tcl_Obj *CONST objv[]; |
| 504 | { |
| 505 | int ret; |
| 506 | |
| 507 | if (objc != 1) |
| 508 | { |
| 509 | Tcl_SetStringObj (result_ptr->obj_ptr, "Wrong number of args, should be none.", -1); |
| 510 | return TCL_ERROR; |
| 511 | } |
| 512 | |
| 513 | ret = quit_confirm (); |
| 514 | Tcl_SetBooleanObj (result_ptr->obj_ptr, ret); |
| 515 | return TCL_OK; |
| 516 | } |
| 517 | |
| 518 | /* This implements the tcl command gdb_force_quit |
| 519 | * Quit without asking for confirmation. |
| 520 | * |
| 521 | * Arguments: |
| 522 | * None |
| 523 | * Tcl Result: |
| 524 | * None |
| 525 | */ |
| 526 | |
| 527 | static int |
| 528 | gdb_force_quit (clientData, interp, objc, objv) |
| 529 | ClientData clientData; |
| 530 | Tcl_Interp *interp; |
| 531 | int objc; |
| 532 | Tcl_Obj *CONST objv[]; |
| 533 | { |
| 534 | if (objc != 1) |
| 535 | { |
| 536 | Tcl_SetStringObj (result_ptr->obj_ptr, "Wrong number of args, should be none.", -1); |
| 537 | return TCL_ERROR; |
| 538 | } |
| 539 | |
| 540 | quit_force ((char *) NULL, 1); |
| 541 | return TCL_OK; |
| 542 | } |
| 543 | |
| 544 | /* This implements the tcl command gdb_stop |
| 545 | * It stops the target in a continuable fashion. |
| 546 | * |
| 547 | * Arguments: |
| 548 | * None |
| 549 | * Tcl Result: |
| 550 | * None |
| 551 | */ |
| 552 | |
| 553 | static int |
| 554 | gdb_stop (clientData, interp, objc, objv) |
| 555 | ClientData clientData; |
| 556 | Tcl_Interp *interp; |
| 557 | int objc; |
| 558 | Tcl_Obj *CONST objv[]; |
| 559 | { |
| 560 | if (target_stop) |
| 561 | { |
| 562 | target_stop (); |
| 563 | } |
| 564 | else |
| 565 | quit_flag = 1; /* hope something sees this */ |
| 566 | |
| 567 | return TCL_OK; |
| 568 | } |
| 569 | |
| 570 | \f |
| 571 | /* |
| 572 | * This section contains Tcl commands that are wrappers for invoking |
| 573 | * the GDB command interpreter. |
| 574 | */ |
| 575 | |
| 576 | |
| 577 | /* This implements the tcl command `gdb_eval'. |
| 578 | * It uses the gdb evaluator to return the value of |
| 579 | * an expression in the current language |
| 580 | * |
| 581 | * Tcl Arguments: |
| 582 | * expression - the expression to evaluate. |
| 583 | * Tcl Result: |
| 584 | * The result of the evaluation. |
| 585 | */ |
| 586 | |
| 587 | static int |
| 588 | gdb_eval (clientData, interp, objc, objv) |
| 589 | ClientData clientData; |
| 590 | Tcl_Interp *interp; |
| 591 | int objc; |
| 592 | Tcl_Obj *CONST objv[]; |
| 593 | { |
| 594 | struct expression *expr; |
| 595 | struct cleanup *old_chain; |
| 596 | value_ptr val; |
| 597 | |
| 598 | if (objc != 2) |
| 599 | { |
| 600 | Tcl_SetStringObj (result_ptr->obj_ptr, |
| 601 | "wrong # args, should be \"gdb_eval expression\"", -1); |
| 602 | return TCL_ERROR; |
| 603 | } |
| 604 | |
| 605 | expr = parse_expression (Tcl_GetStringFromObj (objv[1], NULL)); |
| 606 | |
| 607 | old_chain = make_cleanup (free_current_contents, &expr); |
| 608 | |
| 609 | val = evaluate_expression (expr); |
| 610 | |
| 611 | /* |
| 612 | * Print the result of the expression evaluation. This will go to |
| 613 | * eventually go to gdbtk_fputs, and from there be collected into |
| 614 | * the Tcl result. |
| 615 | */ |
| 616 | |
| 617 | val_print (VALUE_TYPE (val), VALUE_CONTENTS (val), VALUE_ADDRESS (val), |
| 618 | gdb_stdout, 0, 0, 0, 0); |
| 619 | |
| 620 | do_cleanups (old_chain); |
| 621 | |
| 622 | return TCL_OK; |
| 623 | } |
| 624 | |
| 625 | /* This implements the tcl command "gdb_cmd". |
| 626 | * |
| 627 | * It sends its argument to the GDB command scanner for execution. |
| 628 | * This command will never cause the update, idle and busy hooks to be called |
| 629 | * within the GUI. |
| 630 | * |
| 631 | * Tcl Arguments: |
| 632 | * command - The GDB command to execute |
| 633 | * Tcl Result: |
| 634 | * The output from the gdb command (except for the "load" & "while" |
| 635 | * which dump their output to the console. |
| 636 | */ |
| 637 | |
| 638 | static int |
| 639 | gdb_cmd (clientData, interp, objc, objv) |
| 640 | ClientData clientData; |
| 641 | Tcl_Interp *interp; |
| 642 | int objc; |
| 643 | Tcl_Obj *CONST objv[]; |
| 644 | { |
| 645 | |
| 646 | if (objc < 2) |
| 647 | { |
| 648 | Tcl_SetStringObj (result_ptr->obj_ptr, "wrong # args", -1); |
| 649 | return TCL_ERROR; |
| 650 | } |
| 651 | |
| 652 | if (running_now || load_in_progress) |
| 653 | return TCL_OK; |
| 654 | |
| 655 | No_Update = 1; |
| 656 | |
| 657 | /* for the load instruction (and possibly others later) we |
| 658 | set turn off the GDBTK_TO_RESULT flag bit so gdbtk_fputs() |
| 659 | will not buffer all the data until the command is finished. */ |
| 660 | |
| 661 | if ((strncmp ("load ", Tcl_GetStringFromObj (objv[1], NULL), 5) == 0) |
| 662 | || (strncmp ("while ", Tcl_GetStringFromObj (objv[1], NULL), 6) == 0)) |
| 663 | { |
| 664 | result_ptr->flags &= ~GDBTK_TO_RESULT; |
| 665 | load_in_progress = 1; |
| 666 | gdbtk_start_timer (); |
| 667 | } |
| 668 | |
| 669 | execute_command (Tcl_GetStringFromObj (objv[1], NULL), 1); |
| 670 | |
| 671 | if (load_in_progress) |
| 672 | { |
| 673 | gdbtk_stop_timer (); |
| 674 | load_in_progress = 0; |
| 675 | result_ptr->flags |= GDBTK_TO_RESULT; |
| 676 | } |
| 677 | |
| 678 | bpstat_do_actions (&stop_bpstat); |
| 679 | |
| 680 | return TCL_OK; |
| 681 | } |
| 682 | |
| 683 | /* |
| 684 | * This implements the tcl command "gdb_immediate" |
| 685 | * |
| 686 | * It does exactly the same thing as gdb_cmd, except NONE of its outut |
| 687 | * is buffered. This will also ALWAYS cause the busy, update, and idle hooks to |
| 688 | * be called, contrasted with gdb_cmd, which NEVER calls them. |
| 689 | * It turns off the GDBTK_TO_RESULT flag, which diverts the result |
| 690 | * to the console window. |
| 691 | * |
| 692 | * Tcl Arguments: |
| 693 | * command - The GDB command to execute |
| 694 | * Tcl Result: |
| 695 | * None. |
| 696 | */ |
| 697 | |
| 698 | static int |
| 699 | gdb_immediate_command (clientData, interp, objc, objv) |
| 700 | ClientData clientData; |
| 701 | Tcl_Interp *interp; |
| 702 | int objc; |
| 703 | Tcl_Obj *CONST objv[]; |
| 704 | { |
| 705 | |
| 706 | if (objc != 2) |
| 707 | { |
| 708 | Tcl_SetStringObj (result_ptr->obj_ptr, "wrong # args", -1); |
| 709 | return TCL_ERROR; |
| 710 | } |
| 711 | |
| 712 | if (running_now || load_in_progress) |
| 713 | return TCL_OK; |
| 714 | |
| 715 | No_Update = 0; |
| 716 | |
| 717 | result_ptr->flags &= ~GDBTK_TO_RESULT; |
| 718 | |
| 719 | execute_command (Tcl_GetStringFromObj (objv[1], NULL), 1); |
| 720 | |
| 721 | bpstat_do_actions (&stop_bpstat); |
| 722 | |
| 723 | result_ptr->flags |= GDBTK_TO_RESULT; |
| 724 | |
| 725 | return TCL_OK; |
| 726 | } |
| 727 | |
| 728 | /* This implements the tcl command "gdb_prompt" |
| 729 | * |
| 730 | * It returns the gdb interpreter's prompt. |
| 731 | * |
| 732 | * Tcl Arguments: |
| 733 | * None. |
| 734 | * Tcl Result: |
| 735 | * The prompt. |
| 736 | */ |
| 737 | |
| 738 | static int |
| 739 | gdb_prompt_command (clientData, interp, objc, objv) |
| 740 | ClientData clientData; |
| 741 | Tcl_Interp *interp; |
| 742 | int objc; |
| 743 | Tcl_Obj *CONST objv[]; |
| 744 | { |
| 745 | Tcl_SetStringObj (result_ptr->obj_ptr, get_prompt (), -1); |
| 746 | return TCL_OK; |
| 747 | } |
| 748 | |
| 749 | \f |
| 750 | /* |
| 751 | * This section contains general informational commands. |
| 752 | */ |
| 753 | |
| 754 | /* This implements the tcl command "gdb_target_has_execution" |
| 755 | * |
| 756 | * Tells whether the target is executing. |
| 757 | * |
| 758 | * Tcl Arguments: |
| 759 | * None |
| 760 | * Tcl Result: |
| 761 | * A boolean indicating whether the target is executing. |
| 762 | */ |
| 763 | |
| 764 | static int |
| 765 | gdb_target_has_execution_command (clientData, interp, objc, objv) |
| 766 | ClientData clientData; |
| 767 | Tcl_Interp *interp; |
| 768 | int objc; |
| 769 | Tcl_Obj *CONST objv[]; |
| 770 | { |
| 771 | int result = 0; |
| 772 | |
| 773 | if (target_has_execution && inferior_pid != 0) |
| 774 | result = 1; |
| 775 | |
| 776 | Tcl_SetBooleanObj (result_ptr->obj_ptr, result); |
| 777 | return TCL_OK; |
| 778 | } |
| 779 | |
| 780 | /* This implements the tcl command "gdb_load_info" |
| 781 | * |
| 782 | * It returns information about the file about to be downloaded. |
| 783 | * |
| 784 | * Tcl Arguments: |
| 785 | * filename: The file to open & get the info on. |
| 786 | * Tcl Result: |
| 787 | * A list consisting of the name and size of each section. |
| 788 | */ |
| 789 | |
| 790 | static int |
| 791 | gdb_load_info (clientData, interp, objc, objv) |
| 792 | ClientData clientData; |
| 793 | Tcl_Interp *interp; |
| 794 | int objc; |
| 795 | Tcl_Obj *CONST objv[]; |
| 796 | { |
| 797 | bfd *loadfile_bfd; |
| 798 | struct cleanup *old_cleanups; |
| 799 | asection *s; |
| 800 | Tcl_Obj *ob[2]; |
| 801 | int i = 0; |
| 802 | |
| 803 | char *filename = Tcl_GetStringFromObj (objv[1], NULL); |
| 804 | |
| 805 | loadfile_bfd = bfd_openr (filename, gnutarget); |
| 806 | if (loadfile_bfd == NULL) |
| 807 | { |
| 808 | Tcl_SetStringObj (result_ptr->obj_ptr, "Open failed", -1); |
| 809 | return TCL_ERROR; |
| 810 | } |
| 811 | old_cleanups = make_cleanup (bfd_close, loadfile_bfd); |
| 812 | |
| 813 | if (!bfd_check_format (loadfile_bfd, bfd_object)) |
| 814 | { |
| 815 | Tcl_SetStringObj (result_ptr->obj_ptr, "Bad Object File", -1); |
| 816 | return TCL_ERROR; |
| 817 | } |
| 818 | |
| 819 | Tcl_SetListObj (result_ptr->obj_ptr, 0, NULL); |
| 820 | |
| 821 | for (s = loadfile_bfd->sections; s; s = s->next) |
| 822 | { |
| 823 | if (s->flags & SEC_LOAD) |
| 824 | { |
| 825 | bfd_size_type size = bfd_get_section_size_before_reloc (s); |
| 826 | if (size > 0) |
| 827 | { |
| 828 | ob[0] = Tcl_NewStringObj ((char *) bfd_get_section_name (loadfile_bfd, s), -1); |
| 829 | ob[1] = Tcl_NewLongObj ((long) size); |
| 830 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewListObj (2, ob)); |
| 831 | } |
| 832 | } |
| 833 | } |
| 834 | |
| 835 | do_cleanups (old_cleanups); |
| 836 | return TCL_OK; |
| 837 | } |
| 838 | |
| 839 | |
| 840 | /* gdb_get_locals - |
| 841 | * This and gdb_get_locals just call gdb_get_vars_command with the right |
| 842 | * value of clientData. We can't use the client data in the definition |
| 843 | * of the command, because the call wrapper uses this instead... |
| 844 | */ |
| 845 | |
| 846 | static int |
| 847 | gdb_get_locals_command (clientData, interp, objc, objv) |
| 848 | ClientData clientData; |
| 849 | Tcl_Interp *interp; |
| 850 | int objc; |
| 851 | Tcl_Obj *CONST objv[]; |
| 852 | { |
| 853 | |
| 854 | return gdb_get_vars_command((ClientData) 0, interp, objc, objv); |
| 855 | |
| 856 | } |
| 857 | |
| 858 | static int |
| 859 | gdb_get_args_command (clientData, interp, objc, objv) |
| 860 | ClientData clientData; |
| 861 | Tcl_Interp *interp; |
| 862 | int objc; |
| 863 | Tcl_Obj *CONST objv[]; |
| 864 | { |
| 865 | |
| 866 | return gdb_get_vars_command((ClientData) 1, interp, objc, objv); |
| 867 | |
| 868 | } |
| 869 | |
| 870 | /* This implements the tcl commands "gdb_get_locals" and "gdb_get_args" |
| 871 | * |
| 872 | * This function sets the Tcl interpreter's result to a list of variable names |
| 873 | * depending on clientData. If clientData is one, the result is a list of |
| 874 | * arguments; zero returns a list of locals -- all relative to the block |
| 875 | * specified as an argument to the command. Valid commands include |
| 876 | * anything decode_line_1 can handle (like "main.c:2", "*0x02020202", |
| 877 | * and "main"). |
| 878 | * |
| 879 | * Tcl Arguments: |
| 880 | * block - the address within which to specify the locals or args. |
| 881 | * Tcl Result: |
| 882 | * A list of the locals or args |
| 883 | */ |
| 884 | |
| 885 | static int |
| 886 | gdb_get_vars_command (clientData, interp, objc, objv) |
| 887 | ClientData clientData; |
| 888 | Tcl_Interp *interp; |
| 889 | int objc; |
| 890 | Tcl_Obj *CONST objv[]; |
| 891 | { |
| 892 | struct symtabs_and_lines sals; |
| 893 | struct symbol *sym; |
| 894 | struct block *block; |
| 895 | char **canonical, *args; |
| 896 | int i, nsyms, arguments; |
| 897 | |
| 898 | if (objc != 2) |
| 899 | { |
| 900 | Tcl_AppendStringsToObj (result_ptr->obj_ptr, |
| 901 | "wrong # of args: should be \"", |
| 902 | Tcl_GetStringFromObj (objv[0], NULL), |
| 903 | " function:line|function|line|*addr\"", NULL); |
| 904 | return TCL_ERROR; |
| 905 | } |
| 906 | |
| 907 | arguments = (int) clientData; |
| 908 | args = Tcl_GetStringFromObj (objv[1], NULL); |
| 909 | sals = decode_line_1 (&args, 1, NULL, 0, &canonical); |
| 910 | if (sals.nelts == 0) |
| 911 | { |
| 912 | Tcl_SetStringObj (result_ptr->obj_ptr, |
| 913 | "error decoding line", -1); |
| 914 | return TCL_ERROR; |
| 915 | } |
| 916 | |
| 917 | /* Initialize the result pointer to an empty list. */ |
| 918 | |
| 919 | Tcl_SetListObj (result_ptr->obj_ptr, 0, NULL); |
| 920 | |
| 921 | /* Resolve all line numbers to PC's */ |
| 922 | for (i = 0; i < sals.nelts; i++) |
| 923 | resolve_sal_pc (&sals.sals[i]); |
| 924 | |
| 925 | block = block_for_pc (sals.sals[0].pc); |
| 926 | while (block != 0) |
| 927 | { |
| 928 | nsyms = BLOCK_NSYMS (block); |
| 929 | for (i = 0; i < nsyms; i++) |
| 930 | { |
| 931 | sym = BLOCK_SYM (block, i); |
| 932 | switch (SYMBOL_CLASS (sym)) { |
| 933 | default: |
| 934 | case LOC_UNDEF: /* catches errors */ |
| 935 | case LOC_CONST: /* constant */ |
| 936 | case LOC_STATIC: /* static */ |
| 937 | case LOC_REGISTER: /* register */ |
| 938 | case LOC_TYPEDEF: /* local typedef */ |
| 939 | case LOC_LABEL: /* local label */ |
| 940 | case LOC_BLOCK: /* local function */ |
| 941 | case LOC_CONST_BYTES: /* loc. byte seq. */ |
| 942 | case LOC_UNRESOLVED: /* unresolved static */ |
| 943 | case LOC_OPTIMIZED_OUT: /* optimized out */ |
| 944 | break; |
| 945 | case LOC_ARG: /* argument */ |
| 946 | case LOC_REF_ARG: /* reference arg */ |
| 947 | case LOC_REGPARM: /* register arg */ |
| 948 | case LOC_REGPARM_ADDR: /* indirect register arg */ |
| 949 | case LOC_LOCAL_ARG: /* stack arg */ |
| 950 | case LOC_BASEREG_ARG: /* basereg arg */ |
| 951 | if (arguments) |
| 952 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, |
| 953 | Tcl_NewStringObj (SYMBOL_NAME (sym), -1)); |
| 954 | break; |
| 955 | case LOC_LOCAL: /* stack local */ |
| 956 | case LOC_BASEREG: /* basereg local */ |
| 957 | if (!arguments) |
| 958 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, |
| 959 | Tcl_NewStringObj (SYMBOL_NAME (sym), -1)); |
| 960 | break; |
| 961 | } |
| 962 | } |
| 963 | if (BLOCK_FUNCTION (block)) |
| 964 | break; |
| 965 | else |
| 966 | block = BLOCK_SUPERBLOCK (block); |
| 967 | } |
| 968 | |
| 969 | return TCL_OK; |
| 970 | } |
| 971 | |
| 972 | /* This implements the tcl command "gdb_get_line" |
| 973 | * |
| 974 | * It returns the linenumber for a given linespec. It will take any spec |
| 975 | * that can be passed to decode_line_1 |
| 976 | * |
| 977 | * Tcl Arguments: |
| 978 | * linespec - the line specification |
| 979 | * Tcl Result: |
| 980 | * The line number for that spec. |
| 981 | */ |
| 982 | static int |
| 983 | gdb_get_line_command (clientData, interp, objc, objv) |
| 984 | ClientData clientData; |
| 985 | Tcl_Interp *interp; |
| 986 | int objc; |
| 987 | Tcl_Obj *CONST objv[]; |
| 988 | { |
| 989 | Tcl_Obj *result; |
| 990 | struct symtabs_and_lines sals; |
| 991 | char *args, **canonical; |
| 992 | |
| 993 | if (objc != 2) |
| 994 | { |
| 995 | Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # of args: should be \"", |
| 996 | Tcl_GetStringFromObj (objv[0], NULL), |
| 997 | " linespec\"", NULL); |
| 998 | return TCL_ERROR; |
| 999 | } |
| 1000 | |
| 1001 | args = Tcl_GetStringFromObj (objv[1], NULL); |
| 1002 | sals = decode_line_1 (&args, 1, NULL, 0, &canonical); |
| 1003 | if (sals.nelts == 1) |
| 1004 | { |
| 1005 | Tcl_SetIntObj (result_ptr->obj_ptr, sals.sals[0].line); |
| 1006 | return TCL_OK; |
| 1007 | } |
| 1008 | |
| 1009 | Tcl_SetStringObj (result_ptr->obj_ptr, "N/A", -1); |
| 1010 | return TCL_OK; |
| 1011 | |
| 1012 | } |
| 1013 | |
| 1014 | /* This implements the tcl command "gdb_get_file" |
| 1015 | * |
| 1016 | * It returns the file containing a given line spec. |
| 1017 | * |
| 1018 | * Tcl Arguments: |
| 1019 | * linespec - The linespec to look up |
| 1020 | * Tcl Result: |
| 1021 | * The file containing it. |
| 1022 | */ |
| 1023 | |
| 1024 | static int |
| 1025 | gdb_get_file_command (clientData, interp, objc, objv) |
| 1026 | ClientData clientData; |
| 1027 | Tcl_Interp *interp; |
| 1028 | int objc; |
| 1029 | Tcl_Obj *CONST objv[]; |
| 1030 | { |
| 1031 | Tcl_Obj *result; |
| 1032 | struct symtabs_and_lines sals; |
| 1033 | char *args, **canonical; |
| 1034 | |
| 1035 | if (objc != 2) |
| 1036 | { |
| 1037 | Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # of args: should be \"", |
| 1038 | Tcl_GetStringFromObj (objv[0], NULL), |
| 1039 | " linespec\"", NULL); |
| 1040 | return TCL_ERROR; |
| 1041 | } |
| 1042 | |
| 1043 | args = Tcl_GetStringFromObj (objv[1], NULL); |
| 1044 | sals = decode_line_1 (&args, 1, NULL, 0, &canonical); |
| 1045 | if (sals.nelts == 1) |
| 1046 | { |
| 1047 | Tcl_SetStringObj (result_ptr->obj_ptr, sals.sals[0].symtab->filename, -1); |
| 1048 | return TCL_OK; |
| 1049 | } |
| 1050 | |
| 1051 | Tcl_SetStringObj (result_ptr->obj_ptr, "N/A", -1); |
| 1052 | return TCL_OK; |
| 1053 | } |
| 1054 | |
| 1055 | /* This implements the tcl command "gdb_get_function" |
| 1056 | * |
| 1057 | * It finds the function containing the given line spec. |
| 1058 | * |
| 1059 | * Tcl Arguments: |
| 1060 | * linespec - The line specification |
| 1061 | * Tcl Result: |
| 1062 | * The function that contains it, or "N/A" if it is not in a function. |
| 1063 | */ |
| 1064 | static int |
| 1065 | gdb_get_function_command (clientData, interp, objc, objv) |
| 1066 | ClientData clientData; |
| 1067 | Tcl_Interp *interp; |
| 1068 | int objc; |
| 1069 | Tcl_Obj *CONST objv[]; |
| 1070 | { |
| 1071 | char *function; |
| 1072 | struct symtabs_and_lines sals; |
| 1073 | char *args, **canonical; |
| 1074 | |
| 1075 | if (objc != 2) |
| 1076 | { |
| 1077 | Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # of args: should be \"", |
| 1078 | Tcl_GetStringFromObj (objv[0], NULL), |
| 1079 | " linespec\"", NULL); |
| 1080 | return TCL_ERROR; |
| 1081 | } |
| 1082 | |
| 1083 | args = Tcl_GetStringFromObj (objv[1], NULL); |
| 1084 | sals = decode_line_1 (&args, 1, NULL, 0, &canonical); |
| 1085 | if (sals.nelts == 1) |
| 1086 | { |
| 1087 | resolve_sal_pc (&sals.sals[0]); |
| 1088 | find_pc_partial_function (sals.sals[0].pc, &function, NULL, NULL); |
| 1089 | if (function != NULL) |
| 1090 | { |
| 1091 | Tcl_SetStringObj (result_ptr->obj_ptr, function, -1); |
| 1092 | return TCL_OK; |
| 1093 | } |
| 1094 | } |
| 1095 | |
| 1096 | Tcl_SetStringObj (result_ptr->obj_ptr, "N/A", -1); |
| 1097 | return TCL_OK; |
| 1098 | } |
| 1099 | |
| 1100 | /* This implements the tcl command "gdb_find_file" |
| 1101 | * |
| 1102 | * It searches the symbol tables to get the full pathname to a file. |
| 1103 | * |
| 1104 | * Tcl Arguments: |
| 1105 | * filename: the file name to search for. |
| 1106 | * Tcl Result: |
| 1107 | * The full path to the file, or an empty string if the file is not |
| 1108 | * found. |
| 1109 | */ |
| 1110 | |
| 1111 | static int |
| 1112 | gdb_find_file_command (clientData, interp, objc, objv) |
| 1113 | ClientData clientData; |
| 1114 | Tcl_Interp *interp; |
| 1115 | int objc; |
| 1116 | Tcl_Obj *CONST objv[]; |
| 1117 | { |
| 1118 | char *filename = NULL; |
| 1119 | struct symtab *st; |
| 1120 | |
| 1121 | if (objc != 2) |
| 1122 | { |
| 1123 | Tcl_WrongNumArgs(interp, 1, objv, "filename"); |
| 1124 | return TCL_ERROR; |
| 1125 | } |
| 1126 | |
| 1127 | st = full_lookup_symtab (Tcl_GetStringFromObj (objv[1], NULL)); |
| 1128 | if (st) |
| 1129 | filename = st->fullname; |
| 1130 | |
| 1131 | if (filename == NULL) |
| 1132 | Tcl_SetStringObj (result_ptr->obj_ptr, "", 0); |
| 1133 | else |
| 1134 | Tcl_SetStringObj (result_ptr->obj_ptr, filename, -1); |
| 1135 | |
| 1136 | return TCL_OK; |
| 1137 | } |
| 1138 | |
| 1139 | /* This implements the tcl command "gdb_listfiles" |
| 1140 | * |
| 1141 | * This lists all the files in the current executible. |
| 1142 | * |
| 1143 | * Note that this currently pulls in all sorts of filenames |
| 1144 | * that aren't really part of the executable. It would be |
| 1145 | * best if we could check each file to see if it actually |
| 1146 | * contains executable lines of code, but we can't do that |
| 1147 | * with psymtabs. |
| 1148 | * |
| 1149 | * Arguments: |
| 1150 | * ?pathname? - If provided, only files which match pathname |
| 1151 | * (up to strlen(pathname)) are included. THIS DOES NOT |
| 1152 | * CURRENTLY WORK BECAUSE PARTIAL_SYMTABS DON'T SUPPLY |
| 1153 | * THE FULL PATHNAME!!! |
| 1154 | * |
| 1155 | * Tcl Result: |
| 1156 | * A list of all matching files. |
| 1157 | */ |
| 1158 | static int |
| 1159 | gdb_listfiles (clientData, interp, objc, objv) |
| 1160 | ClientData clientData; |
| 1161 | Tcl_Interp *interp; |
| 1162 | int objc; |
| 1163 | Tcl_Obj *CONST objv[]; |
| 1164 | { |
| 1165 | struct objfile *objfile; |
| 1166 | struct partial_symtab *psymtab; |
| 1167 | struct symtab *symtab; |
| 1168 | char *lastfile, *pathname, **files; |
| 1169 | int files_size; |
| 1170 | int i, numfiles = 0, len = 0; |
| 1171 | Tcl_Obj *mylist; |
| 1172 | |
| 1173 | files_size = 1000; |
| 1174 | files = (char **) xmalloc (sizeof (char *) * files_size); |
| 1175 | |
| 1176 | if (objc > 2) |
| 1177 | { |
| 1178 | Tcl_WrongNumArgs (interp, 1, objv, "Usage: gdb_listfiles ?pathname?"); |
| 1179 | return TCL_ERROR; |
| 1180 | } |
| 1181 | else if (objc == 2) |
| 1182 | pathname = Tcl_GetStringFromObj (objv[1], &len); |
| 1183 | |
| 1184 | ALL_PSYMTABS (objfile, psymtab) |
| 1185 | { |
| 1186 | if (numfiles == files_size) |
| 1187 | { |
| 1188 | files_size = files_size * 2; |
| 1189 | files = (char **) xrealloc (files, sizeof (char *) * files_size); |
| 1190 | } |
| 1191 | if (psymtab->filename) |
| 1192 | { |
| 1193 | if (!len || !strncmp(pathname, psymtab->filename,len) |
| 1194 | || !strcmp(psymtab->filename, basename(psymtab->filename))) |
| 1195 | { |
| 1196 | files[numfiles++] = basename(psymtab->filename); |
| 1197 | } |
| 1198 | } |
| 1199 | } |
| 1200 | |
| 1201 | ALL_SYMTABS (objfile, symtab) |
| 1202 | { |
| 1203 | if (numfiles == files_size) |
| 1204 | { |
| 1205 | files_size = files_size * 2; |
| 1206 | files = (char **) xrealloc (files, sizeof (char *) * files_size); |
| 1207 | } |
| 1208 | if (symtab->filename && symtab->linetable && symtab->linetable->nitems) |
| 1209 | { |
| 1210 | if (!len || !strncmp(pathname, symtab->filename,len) |
| 1211 | || !strcmp(symtab->filename, basename(symtab->filename))) |
| 1212 | { |
| 1213 | files[numfiles++] = basename(symtab->filename); |
| 1214 | } |
| 1215 | } |
| 1216 | } |
| 1217 | |
| 1218 | qsort (files, numfiles, sizeof(char *), comp_files); |
| 1219 | |
| 1220 | lastfile = ""; |
| 1221 | |
| 1222 | /* Discard the old result pointer, in case it has accumulated anything |
| 1223 | and set it to a new list object */ |
| 1224 | |
| 1225 | Tcl_SetListObj(result_ptr->obj_ptr, 0, NULL); |
| 1226 | |
| 1227 | for (i = 0; i < numfiles; i++) |
| 1228 | { |
| 1229 | if (strcmp(files[i],lastfile)) |
| 1230 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewStringObj(files[i], -1)); |
| 1231 | lastfile = files[i]; |
| 1232 | } |
| 1233 | |
| 1234 | free (files); |
| 1235 | return TCL_OK; |
| 1236 | } |
| 1237 | |
| 1238 | static int |
| 1239 | comp_files (file1, file2) |
| 1240 | const void *file1, *file2; |
| 1241 | { |
| 1242 | return strcmp(* (char **) file1, * (char **) file2); |
| 1243 | } |
| 1244 | |
| 1245 | |
| 1246 | /* This implements the tcl command "gdb_search" |
| 1247 | * |
| 1248 | * |
| 1249 | * Tcl Arguments: |
| 1250 | * option - One of "functions", "variables" or "types" |
| 1251 | * regexp - The regular expression to look for. |
| 1252 | * Then, optionally: |
| 1253 | * -files fileList |
| 1254 | * -static 1/0 |
| 1255 | * Tcl Result: |
| 1256 | * |
| 1257 | */ |
| 1258 | |
| 1259 | static int |
| 1260 | gdb_search (clientData, interp, objc, objv) |
| 1261 | ClientData clientData; |
| 1262 | Tcl_Interp *interp; |
| 1263 | int objc; |
| 1264 | Tcl_Obj *CONST objv[]; |
| 1265 | { |
| 1266 | struct symbol_search *ss = NULL; |
| 1267 | struct symbol_search *p; |
| 1268 | struct cleanup *old_chain; |
| 1269 | Tcl_Obj *list, *result, *CONST *switch_objv; |
| 1270 | int index, switch_objc, i; |
| 1271 | namespace_enum space; |
| 1272 | char *regexp, *val; |
| 1273 | int static_only, nfiles; |
| 1274 | Tcl_Obj **file_list; |
| 1275 | char **files; |
| 1276 | static char *search_options[] = { "functions", "variables", "types", (char *) NULL }; |
| 1277 | static char *switches[] = { "-files", "-static", (char *) NULL }; |
| 1278 | enum search_opts { SEARCH_FUNCTIONS, SEARCH_VARIABLES, SEARCH_TYPES }; |
| 1279 | enum switches_opts { SWITCH_FILES, SWITCH_STATIC_ONLY }; |
| 1280 | |
| 1281 | if (objc < 3) |
| 1282 | { |
| 1283 | Tcl_WrongNumArgs (interp, 1, objv, "option regexp ?arg ...?"); |
| 1284 | result_ptr->flags |= GDBTK_IN_TCL_RESULT; |
| 1285 | return TCL_ERROR; |
| 1286 | } |
| 1287 | |
| 1288 | if (Tcl_GetIndexFromObj (interp, objv[1], search_options, "option", 0, |
| 1289 | &index) != TCL_OK) |
| 1290 | { |
| 1291 | result_ptr->flags |= GDBTK_IN_TCL_RESULT; |
| 1292 | return TCL_ERROR; |
| 1293 | } |
| 1294 | |
| 1295 | /* Unfortunately, we cannot teach search_symbols to search on |
| 1296 | multiple regexps, so we have to do a two-tier search for |
| 1297 | any searches which choose to narrow the playing field. */ |
| 1298 | switch ((enum search_opts) index) |
| 1299 | { |
| 1300 | case SEARCH_FUNCTIONS: |
| 1301 | space = FUNCTIONS_NAMESPACE; break; |
| 1302 | case SEARCH_VARIABLES: |
| 1303 | space = VARIABLES_NAMESPACE; break; |
| 1304 | case SEARCH_TYPES: |
| 1305 | space = TYPES_NAMESPACE; break; |
| 1306 | } |
| 1307 | |
| 1308 | regexp = Tcl_GetStringFromObj (objv[2], NULL); |
| 1309 | /* Process any switches that refine the search */ |
| 1310 | switch_objc = objc - 3; |
| 1311 | switch_objv = objv + 3; |
| 1312 | |
| 1313 | static_only = 0; |
| 1314 | nfiles = 0; |
| 1315 | files = (char **) NULL; |
| 1316 | while (switch_objc > 0) |
| 1317 | { |
| 1318 | if (Tcl_GetIndexFromObj (interp, switch_objv[0], switches, |
| 1319 | "option", 0, &index) != TCL_OK) |
| 1320 | { |
| 1321 | result_ptr->flags |= GDBTK_IN_TCL_RESULT; |
| 1322 | return TCL_ERROR; |
| 1323 | } |
| 1324 | |
| 1325 | switch ((enum switches_opts) index) |
| 1326 | { |
| 1327 | case SWITCH_FILES: |
| 1328 | { |
| 1329 | int result; |
| 1330 | if (switch_objc < 2) |
| 1331 | { |
| 1332 | Tcl_WrongNumArgs (interp, 2, objv, "[-files fileList -static 1|0]"); |
| 1333 | result_ptr->flags |= GDBTK_IN_TCL_RESULT; |
| 1334 | return TCL_ERROR; |
| 1335 | } |
| 1336 | result = Tcl_ListObjGetElements (interp, switch_objv[1], &nfiles, &file_list); |
| 1337 | if (result != TCL_OK) |
| 1338 | return result; |
| 1339 | |
| 1340 | files = (char **) xmalloc (nfiles * sizeof (char *)); |
| 1341 | for (i = 0; i < nfiles; i++) |
| 1342 | files[i] = Tcl_GetStringFromObj (file_list[i], NULL); |
| 1343 | switch_objc--; |
| 1344 | switch_objv++; |
| 1345 | } |
| 1346 | break; |
| 1347 | case SWITCH_STATIC_ONLY: |
| 1348 | if (switch_objc < 2) |
| 1349 | { |
| 1350 | Tcl_WrongNumArgs (interp, 2, objv, "[-files fileList] [-static 1|0]"); |
| 1351 | result_ptr->flags |= GDBTK_IN_TCL_RESULT; |
| 1352 | return TCL_ERROR; |
| 1353 | } |
| 1354 | if ( Tcl_GetBooleanFromObj (interp, switch_objv[1], &static_only) != |
| 1355 | TCL_OK) { |
| 1356 | result_ptr->flags |= GDBTK_IN_TCL_RESULT; |
| 1357 | return TCL_ERROR; |
| 1358 | } |
| 1359 | switch_objc--; |
| 1360 | switch_objv++; |
| 1361 | } |
| 1362 | switch_objc--; |
| 1363 | switch_objv++; |
| 1364 | } |
| 1365 | |
| 1366 | search_symbols (regexp, space, nfiles, files, &ss); |
| 1367 | if (ss != NULL) |
| 1368 | old_chain = make_cleanup (free_search_symbols, ss); |
| 1369 | |
| 1370 | Tcl_SetListObj(result_ptr->obj_ptr, 0, NULL); |
| 1371 | |
| 1372 | for (p = ss; p != NULL; p = p->next) |
| 1373 | { |
| 1374 | Tcl_Obj *elem; |
| 1375 | |
| 1376 | if (static_only && p->block != STATIC_BLOCK) |
| 1377 | continue; |
| 1378 | |
| 1379 | elem = Tcl_NewListObj (0, NULL); |
| 1380 | |
| 1381 | if (p->msymbol == NULL) |
| 1382 | Tcl_ListObjAppendElement (interp, elem, |
| 1383 | Tcl_NewStringObj (SYMBOL_SOURCE_NAME (p->symbol), -1)); |
| 1384 | else |
| 1385 | Tcl_ListObjAppendElement (interp, elem, |
| 1386 | Tcl_NewStringObj (SYMBOL_SOURCE_NAME (p->msymbol), -1)); |
| 1387 | |
| 1388 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, elem); |
| 1389 | } |
| 1390 | |
| 1391 | if (ss != NULL) |
| 1392 | do_cleanups (old_chain); |
| 1393 | |
| 1394 | return TCL_OK; |
| 1395 | } |
| 1396 | |
| 1397 | /* This implements the tcl command gdb_listfuncs |
| 1398 | * |
| 1399 | * It lists all the functions defined in a given file |
| 1400 | * |
| 1401 | * Arguments: |
| 1402 | * file - the file to look in |
| 1403 | * Tcl Result: |
| 1404 | * A list of two element lists, the first element is |
| 1405 | * the symbol name, and the second is a boolean indicating |
| 1406 | * whether the symbol is demangled (1 for yes). |
| 1407 | */ |
| 1408 | |
| 1409 | static int |
| 1410 | gdb_listfuncs (clientData, interp, objc, objv) |
| 1411 | ClientData clientData; |
| 1412 | Tcl_Interp *interp; |
| 1413 | int objc; |
| 1414 | Tcl_Obj *CONST objv[]; |
| 1415 | { |
| 1416 | struct symtab *symtab; |
| 1417 | struct blockvector *bv; |
| 1418 | struct block *b; |
| 1419 | struct symbol *sym; |
| 1420 | char buf[128]; |
| 1421 | int i,j; |
| 1422 | Tcl_Obj *funcVals[2]; |
| 1423 | |
| 1424 | if (objc != 2) |
| 1425 | { |
| 1426 | Tcl_SetStringObj (result_ptr->obj_ptr, "wrong # args", -1); |
| 1427 | } |
| 1428 | |
| 1429 | symtab = full_lookup_symtab (Tcl_GetStringFromObj (objv[1], NULL)); |
| 1430 | if (!symtab) |
| 1431 | { |
| 1432 | Tcl_SetStringObj (result_ptr->obj_ptr, "No such file", -1); |
| 1433 | return TCL_ERROR; |
| 1434 | } |
| 1435 | |
| 1436 | if (mangled == NULL) |
| 1437 | { |
| 1438 | mangled = Tcl_NewBooleanObj(1); |
| 1439 | not_mangled = Tcl_NewBooleanObj(0); |
| 1440 | Tcl_IncrRefCount(mangled); |
| 1441 | Tcl_IncrRefCount(not_mangled); |
| 1442 | } |
| 1443 | |
| 1444 | Tcl_SetListObj (result_ptr->obj_ptr, 0, NULL); |
| 1445 | |
| 1446 | bv = BLOCKVECTOR (symtab); |
| 1447 | for (i = GLOBAL_BLOCK; i <= STATIC_BLOCK; i++) |
| 1448 | { |
| 1449 | b = BLOCKVECTOR_BLOCK (bv, i); |
| 1450 | /* Skip the sort if this block is always sorted. */ |
| 1451 | if (!BLOCK_SHOULD_SORT (b)) |
| 1452 | sort_block_syms (b); |
| 1453 | for (j = 0; j < BLOCK_NSYMS (b); j++) |
| 1454 | { |
| 1455 | sym = BLOCK_SYM (b, j); |
| 1456 | if (SYMBOL_CLASS (sym) == LOC_BLOCK) |
| 1457 | { |
| 1458 | |
| 1459 | char *name = cplus_demangle (SYMBOL_NAME(sym), 0); |
| 1460 | if (name) |
| 1461 | { |
| 1462 | funcVals[0] = Tcl_NewStringObj(name, -1); |
| 1463 | funcVals[1] = mangled; |
| 1464 | } |
| 1465 | else |
| 1466 | { |
| 1467 | funcVals[0] = Tcl_NewStringObj(SYMBOL_NAME(sym), -1); |
| 1468 | funcVals[1] = not_mangled; |
| 1469 | } |
| 1470 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, |
| 1471 | Tcl_NewListObj (2, funcVals)); |
| 1472 | } |
| 1473 | } |
| 1474 | } |
| 1475 | return TCL_OK; |
| 1476 | } |
| 1477 | |
| 1478 | \f |
| 1479 | /* |
| 1480 | * This section contains all the commands that act on the registers: |
| 1481 | */ |
| 1482 | |
| 1483 | /* This is a sort of mapcar function for operations on registers */ |
| 1484 | |
| 1485 | static int |
| 1486 | map_arg_registers (objc, objv, func, argp) |
| 1487 | int objc; |
| 1488 | Tcl_Obj *CONST objv[]; |
| 1489 | void (*func) PARAMS ((int regnum, void *argp)); |
| 1490 | void *argp; |
| 1491 | { |
| 1492 | int regnum; |
| 1493 | |
| 1494 | /* Note that the test for a valid register must include checking the |
| 1495 | reg_names array because NUM_REGS may be allocated for the union of the |
| 1496 | register sets within a family of related processors. In this case, the |
| 1497 | trailing entries of reg_names will change depending upon the particular |
| 1498 | processor being debugged. */ |
| 1499 | |
| 1500 | if (objc == 0) /* No args, just do all the regs */ |
| 1501 | { |
| 1502 | for (regnum = 0; |
| 1503 | regnum < NUM_REGS |
| 1504 | && reg_names[regnum] != NULL |
| 1505 | && *reg_names[regnum] != '\000'; |
| 1506 | regnum++) |
| 1507 | func (regnum, argp); |
| 1508 | |
| 1509 | return TCL_OK; |
| 1510 | } |
| 1511 | |
| 1512 | /* Else, list of register #s, just do listed regs */ |
| 1513 | for (; objc > 0; objc--, objv++) |
| 1514 | { |
| 1515 | |
| 1516 | if (Tcl_GetIntFromObj (NULL, *objv, ®num) != TCL_OK) { |
| 1517 | result_ptr->flags |= GDBTK_IN_TCL_RESULT; |
| 1518 | return TCL_ERROR; |
| 1519 | } |
| 1520 | |
| 1521 | if (regnum >= 0 |
| 1522 | && regnum < NUM_REGS |
| 1523 | && reg_names[regnum] != NULL |
| 1524 | && *reg_names[regnum] != '\000') |
| 1525 | func (regnum, argp); |
| 1526 | else |
| 1527 | { |
| 1528 | Tcl_SetStringObj (result_ptr->obj_ptr, "bad register number", -1); |
| 1529 | return TCL_ERROR; |
| 1530 | } |
| 1531 | } |
| 1532 | |
| 1533 | return TCL_OK; |
| 1534 | } |
| 1535 | |
| 1536 | /* This implements the TCL command `gdb_regnames', which returns a list of |
| 1537 | all of the register names. */ |
| 1538 | |
| 1539 | static int |
| 1540 | gdb_regnames (clientData, interp, objc, objv) |
| 1541 | ClientData clientData; |
| 1542 | Tcl_Interp *interp; |
| 1543 | int objc; |
| 1544 | Tcl_Obj *CONST objv[]; |
| 1545 | { |
| 1546 | objc--; |
| 1547 | objv++; |
| 1548 | |
| 1549 | return map_arg_registers (objc, objv, get_register_name, NULL); |
| 1550 | } |
| 1551 | |
| 1552 | static void |
| 1553 | get_register_name (regnum, argp) |
| 1554 | int regnum; |
| 1555 | void *argp; /* Ignored */ |
| 1556 | { |
| 1557 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, |
| 1558 | Tcl_NewStringObj (reg_names[regnum], -1)); |
| 1559 | } |
| 1560 | |
| 1561 | /* This implements the tcl command gdb_fetch_registers |
| 1562 | * Pass it a list of register names, and it will |
| 1563 | * return their values as a list. |
| 1564 | * |
| 1565 | * Tcl Arguments: |
| 1566 | * format: The format string for printing the values |
| 1567 | * args: the registers to look for |
| 1568 | * Tcl Result: |
| 1569 | * A list of their values. |
| 1570 | */ |
| 1571 | |
| 1572 | static int |
| 1573 | gdb_fetch_registers (clientData, interp, objc, objv) |
| 1574 | ClientData clientData; |
| 1575 | Tcl_Interp *interp; |
| 1576 | int objc; |
| 1577 | Tcl_Obj *CONST objv[]; |
| 1578 | { |
| 1579 | int format, result; |
| 1580 | |
| 1581 | if (objc < 2) |
| 1582 | { |
| 1583 | Tcl_SetStringObj (result_ptr->obj_ptr, |
| 1584 | "wrong # args, should be gdb_fetch_registers format ?register1 register2 ...?", -1); |
| 1585 | } |
| 1586 | objc -= 2; |
| 1587 | objv++; |
| 1588 | format = *(Tcl_GetStringFromObj(objv[0], NULL)); |
| 1589 | objv++; |
| 1590 | |
| 1591 | |
| 1592 | result_ptr->flags |= GDBTK_MAKES_LIST; /* Output the results as a list */ |
| 1593 | result = map_arg_registers (objc, objv, get_register, (void *) format); |
| 1594 | result_ptr->flags &= ~GDBTK_MAKES_LIST; |
| 1595 | |
| 1596 | return result; |
| 1597 | } |
| 1598 | |
| 1599 | static void |
| 1600 | get_register (regnum, fp) |
| 1601 | int regnum; |
| 1602 | void *fp; |
| 1603 | { |
| 1604 | char raw_buffer[MAX_REGISTER_RAW_SIZE]; |
| 1605 | char virtual_buffer[MAX_REGISTER_VIRTUAL_SIZE]; |
| 1606 | int format = (int)fp; |
| 1607 | |
| 1608 | if (format == 'N') |
| 1609 | format = 0; |
| 1610 | |
| 1611 | if (read_relative_register_raw_bytes (regnum, raw_buffer)) |
| 1612 | { |
| 1613 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, |
| 1614 | Tcl_NewStringObj ("Optimized out", -1)); |
| 1615 | return; |
| 1616 | } |
| 1617 | |
| 1618 | /* Convert raw data to virtual format if necessary. */ |
| 1619 | |
| 1620 | if (REGISTER_CONVERTIBLE (regnum)) |
| 1621 | { |
| 1622 | REGISTER_CONVERT_TO_VIRTUAL (regnum, REGISTER_VIRTUAL_TYPE (regnum), |
| 1623 | raw_buffer, virtual_buffer); |
| 1624 | } |
| 1625 | else |
| 1626 | memcpy (virtual_buffer, raw_buffer, REGISTER_VIRTUAL_SIZE (regnum)); |
| 1627 | |
| 1628 | if (format == 'r') |
| 1629 | { |
| 1630 | int j; |
| 1631 | printf_filtered ("0x"); |
| 1632 | for (j = 0; j < REGISTER_RAW_SIZE (regnum); j++) |
| 1633 | { |
| 1634 | register int idx = TARGET_BYTE_ORDER == BIG_ENDIAN ? j |
| 1635 | : REGISTER_RAW_SIZE (regnum) - 1 - j; |
| 1636 | printf_filtered ("%02x", (unsigned char)raw_buffer[idx]); |
| 1637 | } |
| 1638 | } |
| 1639 | else |
| 1640 | val_print (REGISTER_VIRTUAL_TYPE (regnum), virtual_buffer, 0, |
| 1641 | gdb_stdout, format, 1, 0, Val_pretty_default); |
| 1642 | |
| 1643 | } |
| 1644 | |
| 1645 | /* This implements the tcl command get_pc_reg |
| 1646 | * It returns the value of the PC register |
| 1647 | * |
| 1648 | * Tcl Arguments: |
| 1649 | * None |
| 1650 | * Tcl Result: |
| 1651 | * The value of the pc register. |
| 1652 | */ |
| 1653 | |
| 1654 | static int |
| 1655 | get_pc_register (clientData, interp, objc, objv) |
| 1656 | ClientData clientData; |
| 1657 | Tcl_Interp *interp; |
| 1658 | int objc; |
| 1659 | Tcl_Obj *CONST objv[]; |
| 1660 | { |
| 1661 | char buff[64]; |
| 1662 | |
| 1663 | sprintf (buff, "0x%llx",(long long) read_register (PC_REGNUM)); |
| 1664 | Tcl_SetStringObj(result_ptr->obj_ptr, buff, -1); |
| 1665 | return TCL_OK; |
| 1666 | } |
| 1667 | |
| 1668 | /* This implements the tcl command "gdb_changed_register_list" |
| 1669 | * It takes a list of registers, and returns a list of |
| 1670 | * the registers on that list that have changed since the last |
| 1671 | * time the proc was called. |
| 1672 | * |
| 1673 | * Tcl Arguments: |
| 1674 | * A list of registers. |
| 1675 | * Tcl Result: |
| 1676 | * A list of changed registers. |
| 1677 | */ |
| 1678 | |
| 1679 | static int |
| 1680 | gdb_changed_register_list (clientData, interp, objc, objv) |
| 1681 | ClientData clientData; |
| 1682 | Tcl_Interp *interp; |
| 1683 | int objc; |
| 1684 | Tcl_Obj *CONST objv[]; |
| 1685 | { |
| 1686 | objc--; |
| 1687 | objv++; |
| 1688 | |
| 1689 | return map_arg_registers (objc, objv, register_changed_p, NULL); |
| 1690 | } |
| 1691 | |
| 1692 | static void |
| 1693 | register_changed_p (regnum, argp) |
| 1694 | int regnum; |
| 1695 | void *argp; /* Ignored */ |
| 1696 | { |
| 1697 | char raw_buffer[MAX_REGISTER_RAW_SIZE]; |
| 1698 | |
| 1699 | if (read_relative_register_raw_bytes (regnum, raw_buffer)) |
| 1700 | return; |
| 1701 | |
| 1702 | if (memcmp (&old_regs[REGISTER_BYTE (regnum)], raw_buffer, |
| 1703 | REGISTER_RAW_SIZE (regnum)) == 0) |
| 1704 | return; |
| 1705 | |
| 1706 | /* Found a changed register. Save new value and return its number. */ |
| 1707 | |
| 1708 | memcpy (&old_regs[REGISTER_BYTE (regnum)], raw_buffer, |
| 1709 | REGISTER_RAW_SIZE (regnum)); |
| 1710 | |
| 1711 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj(regnum)); |
| 1712 | } |
| 1713 | \f |
| 1714 | /* |
| 1715 | * This section contains the commands that deal with tracepoints: |
| 1716 | */ |
| 1717 | |
| 1718 | /* return a list of all tracepoint numbers in interpreter */ |
| 1719 | static int |
| 1720 | gdb_get_tracepoint_list (clientData, interp, objc, objv) |
| 1721 | ClientData clientData; |
| 1722 | Tcl_Interp *interp; |
| 1723 | int objc; |
| 1724 | Tcl_Obj *CONST objv[]; |
| 1725 | { |
| 1726 | struct tracepoint *tp; |
| 1727 | |
| 1728 | Tcl_SetListObj (result_ptr->obj_ptr, 0, NULL); |
| 1729 | |
| 1730 | ALL_TRACEPOINTS (tp) |
| 1731 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->number)); |
| 1732 | |
| 1733 | return TCL_OK; |
| 1734 | } |
| 1735 | |
| 1736 | /* returns -1 if not found, tracepoint # if found */ |
| 1737 | int |
| 1738 | tracepoint_exists (char * args) |
| 1739 | { |
| 1740 | struct tracepoint *tp; |
| 1741 | char **canonical; |
| 1742 | struct symtabs_and_lines sals; |
| 1743 | char *file = NULL; |
| 1744 | int result = -1; |
| 1745 | |
| 1746 | sals = decode_line_1 (&args, 1, NULL, 0, &canonical); |
| 1747 | if (sals.nelts == 1) |
| 1748 | { |
| 1749 | resolve_sal_pc (&sals.sals[0]); |
| 1750 | file = xmalloc (strlen (sals.sals[0].symtab->dirname) |
| 1751 | + strlen (sals.sals[0].symtab->filename) + 1); |
| 1752 | if (file != NULL) |
| 1753 | { |
| 1754 | strcpy (file, sals.sals[0].symtab->dirname); |
| 1755 | strcat (file, sals.sals[0].symtab->filename); |
| 1756 | |
| 1757 | ALL_TRACEPOINTS (tp) |
| 1758 | { |
| 1759 | if (tp->address == sals.sals[0].pc) |
| 1760 | result = tp->number; |
| 1761 | #if 0 |
| 1762 | /* Why is this here? This messes up assembly traces */ |
| 1763 | else if (tp->source_file != NULL |
| 1764 | && strcmp (tp->source_file, file) == 0 |
| 1765 | && sals.sals[0].line == tp->line_number) |
| 1766 | result = tp->number; |
| 1767 | #endif |
| 1768 | } |
| 1769 | } |
| 1770 | } |
| 1771 | if (file != NULL) |
| 1772 | free (file); |
| 1773 | return result; |
| 1774 | } |
| 1775 | |
| 1776 | static int |
| 1777 | gdb_tracepoint_exists_command (clientData, interp, objc, objv) |
| 1778 | ClientData clientData; |
| 1779 | Tcl_Interp *interp; |
| 1780 | int objc; |
| 1781 | Tcl_Obj *CONST objv[]; |
| 1782 | { |
| 1783 | char * args; |
| 1784 | |
| 1785 | if (objc != 2) |
| 1786 | { |
| 1787 | Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # of args: should be \"", |
| 1788 | Tcl_GetStringFromObj (objv[0], NULL), |
| 1789 | " function:line|function|line|*addr\"", NULL); |
| 1790 | return TCL_ERROR; |
| 1791 | } |
| 1792 | |
| 1793 | args = Tcl_GetStringFromObj (objv[1], NULL); |
| 1794 | |
| 1795 | Tcl_SetIntObj (result_ptr->obj_ptr, tracepoint_exists (args)); |
| 1796 | return TCL_OK; |
| 1797 | } |
| 1798 | |
| 1799 | static int |
| 1800 | gdb_get_tracepoint_info (clientData, interp, objc, objv) |
| 1801 | ClientData clientData; |
| 1802 | Tcl_Interp *interp; |
| 1803 | int objc; |
| 1804 | Tcl_Obj *CONST objv[]; |
| 1805 | { |
| 1806 | struct symtab_and_line sal; |
| 1807 | int tpnum; |
| 1808 | struct tracepoint *tp; |
| 1809 | struct action_line *al; |
| 1810 | Tcl_Obj *action_list; |
| 1811 | char *filename, *funcname; |
| 1812 | char tmp[19]; |
| 1813 | |
| 1814 | if (objc != 2) |
| 1815 | { |
| 1816 | Tcl_SetStringObj (result_ptr->obj_ptr, "wrong # args", -1); |
| 1817 | return TCL_ERROR; |
| 1818 | } |
| 1819 | |
| 1820 | if (Tcl_GetIntFromObj (NULL, objv[1], &tpnum) != TCL_OK) |
| 1821 | { |
| 1822 | result_ptr->flags |= GDBTK_IN_TCL_RESULT; |
| 1823 | return TCL_ERROR; |
| 1824 | } |
| 1825 | |
| 1826 | ALL_TRACEPOINTS (tp) |
| 1827 | if (tp->number == tpnum) |
| 1828 | break; |
| 1829 | |
| 1830 | if (tp == NULL) |
| 1831 | { |
| 1832 | Tcl_SetStringObj (result_ptr->obj_ptr, "Tracepoint #%d does not exist", -1); |
| 1833 | return TCL_ERROR; |
| 1834 | } |
| 1835 | |
| 1836 | Tcl_SetListObj (result_ptr->obj_ptr, 0, NULL); |
| 1837 | sal = find_pc_line (tp->address, 0); |
| 1838 | filename = symtab_to_filename (sal.symtab); |
| 1839 | if (filename == NULL) |
| 1840 | filename = "N/A"; |
| 1841 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, |
| 1842 | Tcl_NewStringObj (filename, -1)); |
| 1843 | find_pc_partial_function (tp->address, &funcname, NULL, NULL); |
| 1844 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewStringObj (funcname, -1)); |
| 1845 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (sal.line)); |
| 1846 | sprintf (tmp, "0x%lx", tp->address); |
| 1847 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewStringObj (tmp, -1)); |
| 1848 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->enabled)); |
| 1849 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->pass_count)); |
| 1850 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->step_count)); |
| 1851 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->thread)); |
| 1852 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->hit_count)); |
| 1853 | |
| 1854 | /* Append a list of actions */ |
| 1855 | action_list = Tcl_NewObj (); |
| 1856 | for (al = tp->actions; al != NULL; al = al->next) |
| 1857 | { |
| 1858 | Tcl_ListObjAppendElement (interp, action_list, |
| 1859 | Tcl_NewStringObj (al->action, -1)); |
| 1860 | } |
| 1861 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, action_list); |
| 1862 | |
| 1863 | return TCL_OK; |
| 1864 | } |
| 1865 | |
| 1866 | |
| 1867 | static int |
| 1868 | gdb_trace_status (clientData, interp, objc, objv) |
| 1869 | ClientData clientData; |
| 1870 | Tcl_Interp *interp; |
| 1871 | int objc; |
| 1872 | Tcl_Obj *CONST objv[]; |
| 1873 | { |
| 1874 | int result = 0; |
| 1875 | |
| 1876 | if (trace_running_p) |
| 1877 | result = 1; |
| 1878 | |
| 1879 | Tcl_SetIntObj (result_ptr->obj_ptr, result); |
| 1880 | return TCL_OK; |
| 1881 | } |
| 1882 | |
| 1883 | |
| 1884 | |
| 1885 | static int |
| 1886 | gdb_get_trace_frame_num (clientData, interp, objc, objv) |
| 1887 | ClientData clientData; |
| 1888 | Tcl_Interp *interp; |
| 1889 | int objc; |
| 1890 | Tcl_Obj *CONST objv[]; |
| 1891 | { |
| 1892 | if (objc != 1) |
| 1893 | { |
| 1894 | Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # of args: should be \"", |
| 1895 | Tcl_GetStringFromObj (objv[0], NULL), |
| 1896 | " linespec\"", NULL); |
| 1897 | return TCL_ERROR; |
| 1898 | } |
| 1899 | |
| 1900 | Tcl_SetIntObj (result_ptr->obj_ptr, get_traceframe_number ()); |
| 1901 | return TCL_OK; |
| 1902 | |
| 1903 | } |
| 1904 | |
| 1905 | /* This implements the tcl command gdb_actions |
| 1906 | * It sets actions for a given tracepoint. |
| 1907 | * |
| 1908 | * Tcl Arguments: |
| 1909 | * number: the tracepoint in question |
| 1910 | * actions: the actions to add to this tracepoint |
| 1911 | * Tcl Result: |
| 1912 | * None. |
| 1913 | */ |
| 1914 | |
| 1915 | static int |
| 1916 | gdb_actions_command (clientData, interp, objc, objv) |
| 1917 | ClientData clientData; |
| 1918 | Tcl_Interp *interp; |
| 1919 | int objc; |
| 1920 | Tcl_Obj *CONST objv[]; |
| 1921 | { |
| 1922 | struct tracepoint *tp; |
| 1923 | Tcl_Obj **actions; |
| 1924 | int nactions, i, len; |
| 1925 | char *number, *args, *action; |
| 1926 | long step_count; |
| 1927 | struct action_line *next = NULL, *temp; |
| 1928 | enum actionline_type linetype; |
| 1929 | |
| 1930 | if (objc != 3) |
| 1931 | { |
| 1932 | Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # args: should be: \"", |
| 1933 | Tcl_GetStringFromObj (objv[0], NULL), |
| 1934 | " number actions\"", NULL); |
| 1935 | return TCL_ERROR; |
| 1936 | } |
| 1937 | |
| 1938 | args = number = Tcl_GetStringFromObj (objv[1], NULL); |
| 1939 | tp = get_tracepoint_by_number (&args); |
| 1940 | if (tp == NULL) |
| 1941 | { |
| 1942 | Tcl_AppendStringsToObj (result_ptr->obj_ptr, "Tracepoint \"", number, "\" does not exist", NULL); |
| 1943 | return TCL_ERROR; |
| 1944 | } |
| 1945 | |
| 1946 | /* Free any existing actions */ |
| 1947 | if (tp->actions != NULL) |
| 1948 | free_actions (tp); |
| 1949 | |
| 1950 | step_count = 0; |
| 1951 | |
| 1952 | Tcl_ListObjGetElements (interp, objv[2], &nactions, &actions); |
| 1953 | |
| 1954 | /* Add the actions to the tracepoint */ |
| 1955 | for (i = 0; i < nactions; i++) |
| 1956 | { |
| 1957 | temp = xmalloc (sizeof (struct action_line)); |
| 1958 | temp->next = NULL; |
| 1959 | action = Tcl_GetStringFromObj (actions[i], &len); |
| 1960 | temp->action = savestring (action, len); |
| 1961 | |
| 1962 | linetype = validate_actionline (&(temp->action), tp); |
| 1963 | |
| 1964 | if (linetype == BADLINE) |
| 1965 | { |
| 1966 | free (temp); |
| 1967 | continue; |
| 1968 | } |
| 1969 | |
| 1970 | if (next == NULL) |
| 1971 | { |
| 1972 | tp->actions = temp; |
| 1973 | next = temp; |
| 1974 | } |
| 1975 | else |
| 1976 | { |
| 1977 | next->next = temp; |
| 1978 | next = temp; |
| 1979 | } |
| 1980 | } |
| 1981 | |
| 1982 | return TCL_OK; |
| 1983 | } |
| 1984 | \f |
| 1985 | /* |
| 1986 | * This section has commands that handle source disassembly. |
| 1987 | */ |
| 1988 | |
| 1989 | /* This implements the tcl command gdb_disassemble |
| 1990 | * |
| 1991 | * Arguments: |
| 1992 | * source_with_assm - must be "source" or "nosource" |
| 1993 | * low_address - the address from which to start disassembly |
| 1994 | * ?hi_address? - the address to which to disassemble, defaults |
| 1995 | * to the end of the function containing low_address. |
| 1996 | * Tcl Result: |
| 1997 | * The disassembled code is passed to fputs_unfiltered, so it |
| 1998 | * either goes to the console if result_ptr->obj_ptr is NULL or to |
| 1999 | * the Tcl result. |
| 2000 | */ |
| 2001 | |
| 2002 | static int |
| 2003 | gdb_disassemble (clientData, interp, objc, objv) |
| 2004 | ClientData clientData; |
| 2005 | Tcl_Interp *interp; |
| 2006 | int objc; |
| 2007 | Tcl_Obj *CONST objv[]; |
| 2008 | { |
| 2009 | CORE_ADDR pc, low, high; |
| 2010 | int mixed_source_and_assembly; |
| 2011 | static disassemble_info di; |
| 2012 | static int di_initialized; |
| 2013 | char *arg_ptr; |
| 2014 | |
| 2015 | if (objc != 3 && objc != 4) |
| 2016 | error ("wrong # args"); |
| 2017 | |
| 2018 | if (! di_initialized) |
| 2019 | { |
| 2020 | INIT_DISASSEMBLE_INFO_NO_ARCH (di, gdb_stdout, |
| 2021 | (fprintf_ftype) fprintf_unfiltered); |
| 2022 | di.flavour = bfd_target_unknown_flavour; |
| 2023 | di.memory_error_func = dis_asm_memory_error; |
| 2024 | di.print_address_func = dis_asm_print_address; |
| 2025 | di_initialized = 1; |
| 2026 | } |
| 2027 | |
| 2028 | di.mach = tm_print_insn_info.mach; |
| 2029 | if (TARGET_BYTE_ORDER == BIG_ENDIAN) |
| 2030 | di.endian = BFD_ENDIAN_BIG; |
| 2031 | else |
| 2032 | di.endian = BFD_ENDIAN_LITTLE; |
| 2033 | |
| 2034 | arg_ptr = Tcl_GetStringFromObj (objv[1], NULL); |
| 2035 | if (*arg_ptr == 's' && strcmp (arg_ptr, "source") == 0) |
| 2036 | mixed_source_and_assembly = 1; |
| 2037 | else if (*arg_ptr == 'n' && strcmp (arg_ptr, "nosource") == 0) |
| 2038 | mixed_source_and_assembly = 0; |
| 2039 | else |
| 2040 | error ("First arg must be 'source' or 'nosource'"); |
| 2041 | |
| 2042 | low = parse_and_eval_address (Tcl_GetStringFromObj (objv[2], NULL)); |
| 2043 | |
| 2044 | if (objc == 3) |
| 2045 | { |
| 2046 | if (find_pc_partial_function (low, NULL, &low, &high) == 0) |
| 2047 | error ("No function contains specified address"); |
| 2048 | } |
| 2049 | else |
| 2050 | high = parse_and_eval_address (Tcl_GetStringFromObj (objv[3], NULL)); |
| 2051 | |
| 2052 | /* If disassemble_from_exec == -1, then we use the following heuristic to |
| 2053 | determine whether or not to do disassembly from target memory or from the |
| 2054 | exec file: |
| 2055 | |
| 2056 | If we're debugging a local process, read target memory, instead of the |
| 2057 | exec file. This makes disassembly of functions in shared libs work |
| 2058 | correctly. |
| 2059 | |
| 2060 | Else, we're debugging a remote process, and should disassemble from the |
| 2061 | exec file for speed. However, this is no good if the target modifies its |
| 2062 | code (for relocation, or whatever). |
| 2063 | */ |
| 2064 | |
| 2065 | if (disassemble_from_exec == -1) |
| 2066 | if (strcmp (target_shortname, "child") == 0 |
| 2067 | || strcmp (target_shortname, "procfs") == 0 |
| 2068 | || strcmp (target_shortname, "vxprocess") == 0) |
| 2069 | disassemble_from_exec = 0; /* It's a child process, read inferior mem */ |
| 2070 | else |
| 2071 | disassemble_from_exec = 1; /* It's remote, read the exec file */ |
| 2072 | |
| 2073 | if (disassemble_from_exec) |
| 2074 | di.read_memory_func = gdbtk_dis_asm_read_memory; |
| 2075 | else |
| 2076 | di.read_memory_func = dis_asm_read_memory; |
| 2077 | |
| 2078 | /* If just doing straight assembly, all we need to do is disassemble |
| 2079 | everything between low and high. If doing mixed source/assembly, we've |
| 2080 | got a totally different path to follow. */ |
| 2081 | |
| 2082 | if (mixed_source_and_assembly) |
| 2083 | { /* Come here for mixed source/assembly */ |
| 2084 | /* The idea here is to present a source-O-centric view of a function to |
| 2085 | the user. This means that things are presented in source order, with |
| 2086 | (possibly) out of order assembly immediately following. */ |
| 2087 | struct symtab *symtab; |
| 2088 | struct linetable_entry *le; |
| 2089 | int nlines; |
| 2090 | int newlines; |
| 2091 | struct my_line_entry *mle; |
| 2092 | struct symtab_and_line sal; |
| 2093 | int i; |
| 2094 | int out_of_order; |
| 2095 | int next_line; |
| 2096 | |
| 2097 | symtab = find_pc_symtab (low); /* Assume symtab is valid for whole PC range */ |
| 2098 | |
| 2099 | if (!symtab) |
| 2100 | goto assembly_only; |
| 2101 | |
| 2102 | /* First, convert the linetable to a bunch of my_line_entry's. */ |
| 2103 | |
| 2104 | le = symtab->linetable->item; |
| 2105 | nlines = symtab->linetable->nitems; |
| 2106 | |
| 2107 | if (nlines <= 0) |
| 2108 | goto assembly_only; |
| 2109 | |
| 2110 | mle = (struct my_line_entry *) alloca (nlines * sizeof (struct my_line_entry)); |
| 2111 | |
| 2112 | out_of_order = 0; |
| 2113 | |
| 2114 | /* Copy linetable entries for this function into our data structure, creating |
| 2115 | end_pc's and setting out_of_order as appropriate. */ |
| 2116 | |
| 2117 | /* First, skip all the preceding functions. */ |
| 2118 | |
| 2119 | for (i = 0; i < nlines - 1 && le[i].pc < low; i++) ; |
| 2120 | |
| 2121 | /* Now, copy all entries before the end of this function. */ |
| 2122 | |
| 2123 | newlines = 0; |
| 2124 | for (; i < nlines - 1 && le[i].pc < high; i++) |
| 2125 | { |
| 2126 | if (le[i].line == le[i + 1].line |
| 2127 | && le[i].pc == le[i + 1].pc) |
| 2128 | continue; /* Ignore duplicates */ |
| 2129 | |
| 2130 | mle[newlines].line = le[i].line; |
| 2131 | if (le[i].line > le[i + 1].line) |
| 2132 | out_of_order = 1; |
| 2133 | mle[newlines].start_pc = le[i].pc; |
| 2134 | mle[newlines].end_pc = le[i + 1].pc; |
| 2135 | newlines++; |
| 2136 | } |
| 2137 | |
| 2138 | /* If we're on the last line, and it's part of the function, then we need to |
| 2139 | get the end pc in a special way. */ |
| 2140 | |
| 2141 | if (i == nlines - 1 |
| 2142 | && le[i].pc < high) |
| 2143 | { |
| 2144 | mle[newlines].line = le[i].line; |
| 2145 | mle[newlines].start_pc = le[i].pc; |
| 2146 | sal = find_pc_line (le[i].pc, 0); |
| 2147 | mle[newlines].end_pc = sal.end; |
| 2148 | newlines++; |
| 2149 | } |
| 2150 | |
| 2151 | /* Now, sort mle by line #s (and, then by addresses within lines). */ |
| 2152 | |
| 2153 | if (out_of_order) |
| 2154 | qsort (mle, newlines, sizeof (struct my_line_entry), compare_lines); |
| 2155 | |
| 2156 | /* Now, for each line entry, emit the specified lines (unless they have been |
| 2157 | emitted before), followed by the assembly code for that line. */ |
| 2158 | |
| 2159 | next_line = 0; /* Force out first line */ |
| 2160 | for (i = 0; i < newlines; i++) |
| 2161 | { |
| 2162 | /* Print out everything from next_line to the current line. */ |
| 2163 | |
| 2164 | if (mle[i].line >= next_line) |
| 2165 | { |
| 2166 | if (next_line != 0) |
| 2167 | print_source_lines (symtab, next_line, mle[i].line + 1, 0); |
| 2168 | else |
| 2169 | print_source_lines (symtab, mle[i].line, mle[i].line + 1, 0); |
| 2170 | |
| 2171 | next_line = mle[i].line + 1; |
| 2172 | } |
| 2173 | |
| 2174 | for (pc = mle[i].start_pc; pc < mle[i].end_pc; ) |
| 2175 | { |
| 2176 | QUIT; |
| 2177 | fputs_unfiltered (" ", gdb_stdout); |
| 2178 | print_address (pc, gdb_stdout); |
| 2179 | fputs_unfiltered (":\t ", gdb_stdout); |
| 2180 | pc += (*tm_print_insn) (pc, &di); |
| 2181 | fputs_unfiltered ("\n", gdb_stdout); |
| 2182 | } |
| 2183 | } |
| 2184 | } |
| 2185 | else |
| 2186 | { |
| 2187 | assembly_only: |
| 2188 | for (pc = low; pc < high; ) |
| 2189 | { |
| 2190 | QUIT; |
| 2191 | fputs_unfiltered (" ", gdb_stdout); |
| 2192 | print_address (pc, gdb_stdout); |
| 2193 | fputs_unfiltered (":\t ", gdb_stdout); |
| 2194 | pc += (*tm_print_insn) (pc, &di); |
| 2195 | fputs_unfiltered ("\n", gdb_stdout); |
| 2196 | } |
| 2197 | } |
| 2198 | |
| 2199 | gdb_flush (gdb_stdout); |
| 2200 | |
| 2201 | return TCL_OK; |
| 2202 | } |
| 2203 | |
| 2204 | /* This is the memory_read_func for gdb_disassemble when we are |
| 2205 | disassembling from the exec file. */ |
| 2206 | |
| 2207 | static int |
| 2208 | gdbtk_dis_asm_read_memory (memaddr, myaddr, len, info) |
| 2209 | bfd_vma memaddr; |
| 2210 | bfd_byte *myaddr; |
| 2211 | int len; |
| 2212 | disassemble_info *info; |
| 2213 | { |
| 2214 | extern struct target_ops exec_ops; |
| 2215 | int res; |
| 2216 | |
| 2217 | errno = 0; |
| 2218 | res = xfer_memory (memaddr, myaddr, len, 0, &exec_ops); |
| 2219 | |
| 2220 | if (res == len) |
| 2221 | return 0; |
| 2222 | else |
| 2223 | if (errno == 0) |
| 2224 | return EIO; |
| 2225 | else |
| 2226 | return errno; |
| 2227 | } |
| 2228 | |
| 2229 | /* This will be passed to qsort to sort the results of the disassembly */ |
| 2230 | |
| 2231 | static int |
| 2232 | compare_lines (mle1p, mle2p) |
| 2233 | const PTR mle1p; |
| 2234 | const PTR mle2p; |
| 2235 | { |
| 2236 | struct my_line_entry *mle1, *mle2; |
| 2237 | int val; |
| 2238 | |
| 2239 | mle1 = (struct my_line_entry *) mle1p; |
| 2240 | mle2 = (struct my_line_entry *) mle2p; |
| 2241 | |
| 2242 | val = mle1->line - mle2->line; |
| 2243 | |
| 2244 | if (val != 0) |
| 2245 | return val; |
| 2246 | |
| 2247 | return mle1->start_pc - mle2->start_pc; |
| 2248 | } |
| 2249 | |
| 2250 | /* This implements the TCL command `gdb_loc', |
| 2251 | * |
| 2252 | * Arguments: |
| 2253 | * ?symbol? The symbol or address to locate - defaults to pc |
| 2254 | * Tcl Return: |
| 2255 | * a list consisting of the following: |
| 2256 | * basename, function name, filename, line number, address, current pc |
| 2257 | */ |
| 2258 | |
| 2259 | static int |
| 2260 | gdb_loc (clientData, interp, objc, objv) |
| 2261 | ClientData clientData; |
| 2262 | Tcl_Interp *interp; |
| 2263 | int objc; |
| 2264 | Tcl_Obj *CONST objv[]; |
| 2265 | { |
| 2266 | char *filename; |
| 2267 | struct symtab_and_line sal; |
| 2268 | char *funcname, *fname; |
| 2269 | CORE_ADDR pc; |
| 2270 | |
| 2271 | if (!have_full_symbols () && !have_partial_symbols ()) |
| 2272 | { |
| 2273 | Tcl_SetStringObj (result_ptr->obj_ptr, "No symbol table is loaded", -1); |
| 2274 | return TCL_ERROR; |
| 2275 | } |
| 2276 | |
| 2277 | if (objc == 1) |
| 2278 | { |
| 2279 | if (selected_frame && (selected_frame->pc != stop_pc)) |
| 2280 | { |
| 2281 | /* Note - this next line is not correct on all architectures. */ |
| 2282 | /* For a graphical debugger we really want to highlight the */ |
| 2283 | /* assembly line that called the next function on the stack. */ |
| 2284 | /* Many architectures have the next instruction saved as the */ |
| 2285 | /* pc on the stack, so what happens is the next instruction is hughlighted. */ |
| 2286 | /* FIXME */ |
| 2287 | pc = selected_frame->pc; |
| 2288 | sal = find_pc_line (selected_frame->pc, |
| 2289 | selected_frame->next != NULL |
| 2290 | && !selected_frame->next->signal_handler_caller |
| 2291 | && !frame_in_dummy (selected_frame->next)); |
| 2292 | } |
| 2293 | else |
| 2294 | { |
| 2295 | pc = stop_pc; |
| 2296 | sal = find_pc_line (stop_pc, 0); |
| 2297 | } |
| 2298 | } |
| 2299 | else if (objc == 2) |
| 2300 | { |
| 2301 | struct symtabs_and_lines sals; |
| 2302 | int nelts; |
| 2303 | |
| 2304 | sals = decode_line_spec (Tcl_GetStringFromObj (objv[1], NULL), 1); |
| 2305 | |
| 2306 | nelts = sals.nelts; |
| 2307 | sal = sals.sals[0]; |
| 2308 | free (sals.sals); |
| 2309 | |
| 2310 | if (sals.nelts != 1) |
| 2311 | { |
| 2312 | Tcl_SetStringObj (result_ptr->obj_ptr, "Ambiguous line spec", -1); |
| 2313 | return TCL_ERROR; |
| 2314 | } |
| 2315 | |
| 2316 | pc = sal.pc; |
| 2317 | } |
| 2318 | else |
| 2319 | { |
| 2320 | Tcl_SetStringObj (result_ptr->obj_ptr, "wrong # args", -1); |
| 2321 | return TCL_ERROR; |
| 2322 | } |
| 2323 | |
| 2324 | if (sal.symtab) |
| 2325 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, |
| 2326 | Tcl_NewStringObj (sal.symtab->filename, -1)); |
| 2327 | else |
| 2328 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewStringObj ("", 0)); |
| 2329 | |
| 2330 | find_pc_partial_function (pc, &funcname, NULL, NULL); |
| 2331 | fname = cplus_demangle (funcname, 0); |
| 2332 | if (fname) |
| 2333 | { |
| 2334 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, |
| 2335 | Tcl_NewStringObj (fname, -1)); |
| 2336 | free (fname); |
| 2337 | } |
| 2338 | else |
| 2339 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, |
| 2340 | Tcl_NewStringObj (funcname, -1)); |
| 2341 | |
| 2342 | filename = symtab_to_filename (sal.symtab); |
| 2343 | if (filename == NULL) |
| 2344 | filename = ""; |
| 2345 | |
| 2346 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, |
| 2347 | Tcl_NewStringObj (filename, -1)); |
| 2348 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj(sal.line)); /* line number */ |
| 2349 | sprintf_append_element_to_obj (result_ptr->obj_ptr, "0x%s", paddr_nz(pc)); /* PC in current frame */ |
| 2350 | sprintf_append_element_to_obj (result_ptr->obj_ptr, "0x%s", paddr_nz(stop_pc)); /* Real PC */ |
| 2351 | return TCL_OK; |
| 2352 | } |
| 2353 | |
| 2354 | /* This implements the Tcl command 'gdb_get_mem', which |
| 2355 | * dumps a block of memory |
| 2356 | * Arguments: |
| 2357 | * gdb_get_mem addr form size num aschar |
| 2358 | * |
| 2359 | * addr: address of data to dump |
| 2360 | * form: a char indicating format |
| 2361 | * size: size of each element; 1,2,4, or 8 bytes |
| 2362 | * num: the number of bytes to read |
| 2363 | * acshar: an optional ascii character to use in ASCII dump |
| 2364 | * |
| 2365 | * Return: |
| 2366 | * a list of elements followed by an optional ASCII dump |
| 2367 | */ |
| 2368 | |
| 2369 | static int |
| 2370 | gdb_get_mem (clientData, interp, objc, objv) |
| 2371 | ClientData clientData; |
| 2372 | Tcl_Interp *interp; |
| 2373 | int objc; |
| 2374 | Tcl_Obj *CONST objv[]; |
| 2375 | { |
| 2376 | int size, asize, i, j, bc; |
| 2377 | CORE_ADDR addr; |
| 2378 | int nbytes, rnum, bpr; |
| 2379 | long tmp; |
| 2380 | char format, c, *ptr, buff[128], aschar, *mbuf, *mptr, *cptr, *bptr; |
| 2381 | struct type *val_type; |
| 2382 | |
| 2383 | if (objc < 6 || objc > 7) |
| 2384 | { |
| 2385 | Tcl_SetStringObj (result_ptr->obj_ptr, |
| 2386 | "addr format size bytes bytes_per_row ?ascii_char?", -1); |
| 2387 | return TCL_ERROR; |
| 2388 | } |
| 2389 | |
| 2390 | if (Tcl_GetIntFromObj (interp, objv[3], &size) != TCL_OK) |
| 2391 | { |
| 2392 | result_ptr->flags |= GDBTK_IN_TCL_RESULT; |
| 2393 | return TCL_ERROR; |
| 2394 | } |
| 2395 | else if (size <= 0) |
| 2396 | { |
| 2397 | Tcl_SetStringObj (result_ptr->obj_ptr, "Invalid size, must be > 0", -1); |
| 2398 | return TCL_ERROR; |
| 2399 | } |
| 2400 | |
| 2401 | if (Tcl_GetIntFromObj (interp, objv[4], &nbytes) != TCL_OK) |
| 2402 | { |
| 2403 | result_ptr->flags |= GDBTK_IN_TCL_RESULT; |
| 2404 | return TCL_ERROR; |
| 2405 | } |
| 2406 | else if (size <= 0) |
| 2407 | { |
| 2408 | Tcl_SetStringObj (result_ptr->obj_ptr, "Invalid number of bytes, must be > 0", |
| 2409 | -1); |
| 2410 | return TCL_ERROR; |
| 2411 | } |
| 2412 | |
| 2413 | if (Tcl_GetIntFromObj (interp, objv[5], &bpr) != TCL_OK) |
| 2414 | { |
| 2415 | result_ptr->flags |= GDBTK_IN_TCL_RESULT; |
| 2416 | return TCL_ERROR; |
| 2417 | } |
| 2418 | else if (size <= 0) |
| 2419 | { |
| 2420 | Tcl_SetStringObj (result_ptr->obj_ptr, "Invalid bytes per row, must be > 0", -1); |
| 2421 | return TCL_ERROR; |
| 2422 | } |
| 2423 | |
| 2424 | if (Tcl_GetLongFromObj (interp, objv[1], &tmp) != TCL_OK) |
| 2425 | return TCL_OK; |
| 2426 | |
| 2427 | addr = (CORE_ADDR) tmp; |
| 2428 | |
| 2429 | format = *(Tcl_GetStringFromObj (objv[2], NULL)); |
| 2430 | mbuf = (char *)malloc (nbytes+32); |
| 2431 | if (!mbuf) |
| 2432 | { |
| 2433 | Tcl_SetStringObj (result_ptr->obj_ptr, "Out of memory.", -1); |
| 2434 | return TCL_ERROR; |
| 2435 | } |
| 2436 | |
| 2437 | memset (mbuf, 0, nbytes+32); |
| 2438 | mptr = cptr = mbuf; |
| 2439 | |
| 2440 | rnum = target_read_memory_partial (addr, mbuf, nbytes, NULL); |
| 2441 | |
| 2442 | if (objc == 7) |
| 2443 | aschar = *(Tcl_GetStringFromObj(objv[6], NULL)); |
| 2444 | else |
| 2445 | aschar = 0; |
| 2446 | |
| 2447 | switch (size) { |
| 2448 | case 1: |
| 2449 | val_type = builtin_type_char; |
| 2450 | asize = 'b'; |
| 2451 | break; |
| 2452 | case 2: |
| 2453 | val_type = builtin_type_short; |
| 2454 | asize = 'h'; |
| 2455 | break; |
| 2456 | case 4: |
| 2457 | val_type = builtin_type_int; |
| 2458 | asize = 'w'; |
| 2459 | break; |
| 2460 | case 8: |
| 2461 | val_type = builtin_type_long_long; |
| 2462 | asize = 'g'; |
| 2463 | break; |
| 2464 | default: |
| 2465 | val_type = builtin_type_char; |
| 2466 | asize = 'b'; |
| 2467 | } |
| 2468 | |
| 2469 | bc = 0; /* count of bytes in a row */ |
| 2470 | buff[0] = '"'; /* buffer for ascii dump */ |
| 2471 | bptr = &buff[1]; /* pointer for ascii dump */ |
| 2472 | |
| 2473 | result_ptr->flags |= GDBTK_MAKES_LIST; /* Build up the result as a list... */ |
| 2474 | |
| 2475 | for (i=0; i < nbytes; i+= size) |
| 2476 | { |
| 2477 | if ( i >= rnum) |
| 2478 | { |
| 2479 | fputs_unfiltered ("N/A ", gdb_stdout); |
| 2480 | if (aschar) |
| 2481 | for ( j = 0; j < size; j++) |
| 2482 | *bptr++ = 'X'; |
| 2483 | } |
| 2484 | else |
| 2485 | { |
| 2486 | print_scalar_formatted (mptr, val_type, format, asize, gdb_stdout); |
| 2487 | |
| 2488 | if (aschar) |
| 2489 | { |
| 2490 | for ( j = 0; j < size; j++) |
| 2491 | { |
| 2492 | c = *cptr++; |
| 2493 | if (c < 32 || c > 126) |
| 2494 | c = aschar; |
| 2495 | if (c == '"') |
| 2496 | *bptr++ = '\\'; |
| 2497 | *bptr++ = c; |
| 2498 | } |
| 2499 | } |
| 2500 | } |
| 2501 | |
| 2502 | mptr += size; |
| 2503 | bc += size; |
| 2504 | |
| 2505 | if (aschar && (bc >= bpr)) |
| 2506 | { |
| 2507 | /* end of row. print it and reset variables */ |
| 2508 | bc = 0; |
| 2509 | *bptr++ = '"'; |
| 2510 | *bptr++ = ' '; |
| 2511 | *bptr = 0; |
| 2512 | fputs_unfiltered (buff, gdb_stdout); |
| 2513 | bptr = &buff[1]; |
| 2514 | } |
| 2515 | } |
| 2516 | |
| 2517 | result_ptr->flags &= ~GDBTK_MAKES_LIST; |
| 2518 | |
| 2519 | free (mbuf); |
| 2520 | return TCL_OK; |
| 2521 | } |
| 2522 | |
| 2523 | \f |
| 2524 | |
| 2525 | /* This implements the tcl command "gdb_loadfile" |
| 2526 | * It loads a c source file into a text widget. |
| 2527 | * |
| 2528 | * Tcl Arguments: |
| 2529 | * widget: the name of the text widget to fill |
| 2530 | * filename: the name of the file to load |
| 2531 | * linenumbers: A boolean indicating whether or not to display line numbers. |
| 2532 | * Tcl Result: |
| 2533 | * |
| 2534 | */ |
| 2535 | |
| 2536 | /* In this routine, we will build up a "line table", i.e. a |
| 2537 | * table of bits showing which lines in the source file are executible. |
| 2538 | * LTABLE_SIZE is the number of bytes to allocate for the line table. |
| 2539 | * |
| 2540 | * Its size limits the maximum number of lines |
| 2541 | * in a file to 8 * LTABLE_SIZE. This memory is freed after |
| 2542 | * the file is loaded, so it is OK to make this very large. |
| 2543 | * Additional memory will be allocated if needed. */ |
| 2544 | #define LTABLE_SIZE 20000 |
| 2545 | static int |
| 2546 | gdb_loadfile (clientData, interp, objc, objv) |
| 2547 | ClientData clientData; |
| 2548 | Tcl_Interp *interp; |
| 2549 | int objc; |
| 2550 | Tcl_Obj *CONST objv[]; |
| 2551 | { |
| 2552 | char *file, *widget, *buf, msg[128]; |
| 2553 | int linenumbers, ln, anum, lnum, ltable_size; |
| 2554 | FILE *fp; |
| 2555 | char *ltable; |
| 2556 | struct symtab *symtab; |
| 2557 | struct linetable_entry *le; |
| 2558 | long mtime = 0; |
| 2559 | struct stat st; |
| 2560 | Tcl_DString text_cmd_1, text_cmd_2, *cur_cmd; |
| 2561 | char line[1024], line_num_buf[16]; |
| 2562 | int prefix_len_1, prefix_len_2, cur_prefix_len, widget_len; |
| 2563 | |
| 2564 | |
| 2565 | if (objc != 4) |
| 2566 | { |
| 2567 | Tcl_WrongNumArgs(interp, 1, objv, "widget filename linenumbers"); |
| 2568 | return TCL_ERROR; |
| 2569 | } |
| 2570 | |
| 2571 | widget = Tcl_GetStringFromObj (objv[1], NULL); |
| 2572 | if ( Tk_NameToWindow (interp, widget, Tk_MainWindow (interp)) == NULL) |
| 2573 | { |
| 2574 | return TCL_ERROR; |
| 2575 | } |
| 2576 | |
| 2577 | file = Tcl_GetStringFromObj (objv[2], NULL); |
| 2578 | Tcl_GetBooleanFromObj (interp, objv[3], &linenumbers); |
| 2579 | |
| 2580 | if ((fp = fopen ( file, "r" )) == NULL) |
| 2581 | { |
| 2582 | Tcl_SetStringObj ( result_ptr->obj_ptr, "Can't open file for reading", -1); |
| 2583 | return TCL_ERROR; |
| 2584 | } |
| 2585 | |
| 2586 | symtab = full_lookup_symtab (file); |
| 2587 | if (!symtab) |
| 2588 | { |
| 2589 | Tcl_SetStringObj ( result_ptr->obj_ptr, "File not found in symtab", -1); |
| 2590 | fclose (fp); |
| 2591 | return TCL_ERROR; |
| 2592 | } |
| 2593 | |
| 2594 | if (stat (file, &st) < 0) |
| 2595 | { |
| 2596 | catch_errors (perror_with_name_wrapper, "gdbtk: get time stamp", "", |
| 2597 | RETURN_MASK_ALL); |
| 2598 | return TCL_ERROR; |
| 2599 | } |
| 2600 | |
| 2601 | if (symtab && symtab->objfile && symtab->objfile->obfd) |
| 2602 | mtime = bfd_get_mtime(symtab->objfile->obfd); |
| 2603 | else if (exec_bfd) |
| 2604 | mtime = bfd_get_mtime(exec_bfd); |
| 2605 | |
| 2606 | if (mtime && mtime < st.st_mtime) |
| 2607 | gdbtk_ignorable_warning("Source file is more recent than executable.\n"); |
| 2608 | |
| 2609 | |
| 2610 | /* Source linenumbers don't appear to be in order, and a sort is */ |
| 2611 | /* too slow so the fastest solution is just to allocate a huge */ |
| 2612 | /* array and set the array entry for each linenumber */ |
| 2613 | |
| 2614 | ltable_size = LTABLE_SIZE; |
| 2615 | ltable = (char *)malloc (LTABLE_SIZE); |
| 2616 | if (ltable == NULL) |
| 2617 | { |
| 2618 | Tcl_SetStringObj ( result_ptr->obj_ptr, "Out of memory.", -1); |
| 2619 | fclose (fp); |
| 2620 | return TCL_ERROR; |
| 2621 | } |
| 2622 | |
| 2623 | memset (ltable, 0, LTABLE_SIZE); |
| 2624 | |
| 2625 | if (symtab->linetable && symtab->linetable->nitems) |
| 2626 | { |
| 2627 | le = symtab->linetable->item; |
| 2628 | for (ln = symtab->linetable->nitems ;ln > 0; ln--, le++) |
| 2629 | { |
| 2630 | lnum = le->line >> 3; |
| 2631 | if (lnum >= ltable_size) |
| 2632 | { |
| 2633 | char *new_ltable; |
| 2634 | new_ltable = (char *)realloc (ltable, ltable_size*2); |
| 2635 | memset (new_ltable + ltable_size, 0, ltable_size); |
| 2636 | ltable_size *= 2; |
| 2637 | if (new_ltable == NULL) |
| 2638 | { |
| 2639 | Tcl_SetStringObj ( result_ptr->obj_ptr, "Out of memory.", -1); |
| 2640 | free (ltable); |
| 2641 | fclose (fp); |
| 2642 | return TCL_ERROR; |
| 2643 | } |
| 2644 | ltable = new_ltable; |
| 2645 | } |
| 2646 | ltable[lnum] |= 1 << (le->line % 8); |
| 2647 | } |
| 2648 | } |
| 2649 | |
| 2650 | Tcl_DStringInit(&text_cmd_1); |
| 2651 | Tcl_DStringInit(&text_cmd_2); |
| 2652 | |
| 2653 | ln = 1; |
| 2654 | |
| 2655 | widget_len = strlen (widget); |
| 2656 | line[0] = '\t'; |
| 2657 | |
| 2658 | Tcl_DStringAppend (&text_cmd_1, widget, widget_len); |
| 2659 | Tcl_DStringAppend (&text_cmd_2, widget, widget_len); |
| 2660 | |
| 2661 | if (linenumbers) |
| 2662 | { |
| 2663 | Tcl_DStringAppend (&text_cmd_1, " insert end {-\t", -1); |
| 2664 | prefix_len_1 = Tcl_DStringLength(&text_cmd_1); |
| 2665 | |
| 2666 | Tcl_DStringAppend (&text_cmd_2, " insert end { \t", -1); |
| 2667 | prefix_len_2 = Tcl_DStringLength(&text_cmd_2); |
| 2668 | |
| 2669 | while (fgets (line + 1, 980, fp)) |
| 2670 | { |
| 2671 | sprintf (line_num_buf, "%d", ln); |
| 2672 | if (ltable[ln >> 3] & (1 << (ln % 8))) |
| 2673 | { |
| 2674 | cur_cmd = &text_cmd_1; |
| 2675 | cur_prefix_len = prefix_len_1; |
| 2676 | Tcl_DStringAppend (cur_cmd, line_num_buf, -1); |
| 2677 | Tcl_DStringAppend (cur_cmd, "} break_tag", 11); |
| 2678 | } |
| 2679 | else |
| 2680 | { |
| 2681 | cur_cmd = &text_cmd_2; |
| 2682 | cur_prefix_len = prefix_len_2; |
| 2683 | Tcl_DStringAppend (cur_cmd, line_num_buf, -1); |
| 2684 | Tcl_DStringAppend (cur_cmd, "} \"\"", 4); |
| 2685 | } |
| 2686 | |
| 2687 | Tcl_DStringAppendElement (cur_cmd, line); |
| 2688 | Tcl_DStringAppend (cur_cmd, " source_tag", 11); |
| 2689 | |
| 2690 | Tcl_Eval(interp, Tcl_DStringValue(cur_cmd)); |
| 2691 | Tcl_DStringSetLength(cur_cmd, cur_prefix_len); |
| 2692 | ln++; |
| 2693 | } |
| 2694 | } |
| 2695 | else |
| 2696 | { |
| 2697 | Tcl_DStringAppend (&text_cmd_1, " insert end {- } break_tag", -1); |
| 2698 | prefix_len_1 = Tcl_DStringLength(&text_cmd_1); |
| 2699 | Tcl_DStringAppend (&text_cmd_2, " insert end { } \"\"", -1); |
| 2700 | prefix_len_2 = Tcl_DStringLength(&text_cmd_2); |
| 2701 | |
| 2702 | |
| 2703 | while (fgets (line + 1, 980, fp)) |
| 2704 | { |
| 2705 | if (ltable[ln >> 3] & (1 << (ln % 8))) |
| 2706 | { |
| 2707 | cur_cmd = &text_cmd_1; |
| 2708 | cur_prefix_len = prefix_len_1; |
| 2709 | } |
| 2710 | else |
| 2711 | { |
| 2712 | cur_cmd = &text_cmd_2; |
| 2713 | cur_prefix_len = prefix_len_2; |
| 2714 | } |
| 2715 | |
| 2716 | Tcl_DStringAppendElement (cur_cmd, line); |
| 2717 | Tcl_DStringAppend (cur_cmd, " source_tag", 11); |
| 2718 | |
| 2719 | Tcl_Eval(interp, Tcl_DStringValue(cur_cmd)); |
| 2720 | Tcl_DStringSetLength(cur_cmd, cur_prefix_len); |
| 2721 | |
| 2722 | ln++; |
| 2723 | } |
| 2724 | } |
| 2725 | |
| 2726 | Tcl_DStringFree (&text_cmd_1); |
| 2727 | Tcl_DStringFree (&text_cmd_2); |
| 2728 | free (ltable); |
| 2729 | fclose (fp); |
| 2730 | return TCL_OK; |
| 2731 | } |
| 2732 | \f |
| 2733 | /* |
| 2734 | * This section contains commands for manipulation of breakpoints. |
| 2735 | */ |
| 2736 | |
| 2737 | |
| 2738 | /* set a breakpoint by source file and line number */ |
| 2739 | /* flags are as follows: */ |
| 2740 | /* least significant 2 bits are disposition, rest is */ |
| 2741 | /* type (normally 0). |
| 2742 | |
| 2743 | enum bptype { |
| 2744 | bp_breakpoint, Normal breakpoint |
| 2745 | bp_hardware_breakpoint, Hardware assisted breakpoint |
| 2746 | } |
| 2747 | |
| 2748 | Disposition of breakpoint. Ie: what to do after hitting it. |
| 2749 | enum bpdisp { |
| 2750 | del, Delete it |
| 2751 | del_at_next_stop, Delete at next stop, whether hit or not |
| 2752 | disable, Disable it |
| 2753 | donttouch Leave it alone |
| 2754 | }; |
| 2755 | */ |
| 2756 | |
| 2757 | /* This implements the tcl command "gdb_set_bp" |
| 2758 | * It sets breakpoints, and runs the Tcl command |
| 2759 | * gdbtk_tcl_breakpoint create |
| 2760 | * to register the new breakpoint with the GUI. |
| 2761 | * |
| 2762 | * Tcl Arguments: |
| 2763 | * filename: the file in which to set the breakpoint |
| 2764 | * line: the line number for the breakpoint |
| 2765 | * type: the type of the breakpoint |
| 2766 | * Tcl Result: |
| 2767 | * The return value of the call to gdbtk_tcl_breakpoint. |
| 2768 | */ |
| 2769 | |
| 2770 | static int |
| 2771 | gdb_set_bp (clientData, interp, objc, objv) |
| 2772 | ClientData clientData; |
| 2773 | Tcl_Interp *interp; |
| 2774 | int objc; |
| 2775 | Tcl_Obj *CONST objv[]; |
| 2776 | |
| 2777 | { |
| 2778 | struct symtab_and_line sal; |
| 2779 | int line, flags, ret; |
| 2780 | struct breakpoint *b; |
| 2781 | char buf[64]; |
| 2782 | Tcl_DString cmd; |
| 2783 | |
| 2784 | if (objc != 4) |
| 2785 | { |
| 2786 | Tcl_WrongNumArgs(interp, 1, objv, "filename line type"); |
| 2787 | return TCL_ERROR; |
| 2788 | } |
| 2789 | |
| 2790 | sal.symtab = full_lookup_symtab (Tcl_GetStringFromObj( objv[1], NULL)); |
| 2791 | if (sal.symtab == NULL) |
| 2792 | return TCL_ERROR; |
| 2793 | |
| 2794 | if (Tcl_GetIntFromObj( interp, objv[2], &line) == TCL_ERROR) |
| 2795 | { |
| 2796 | result_ptr->flags = GDBTK_IN_TCL_RESULT; |
| 2797 | return TCL_ERROR; |
| 2798 | } |
| 2799 | |
| 2800 | if (Tcl_GetIntFromObj( interp, objv[3], &flags) == TCL_ERROR) |
| 2801 | { |
| 2802 | result_ptr->flags = GDBTK_IN_TCL_RESULT; |
| 2803 | return TCL_ERROR; |
| 2804 | } |
| 2805 | |
| 2806 | sal.line = line; |
| 2807 | if (!find_line_pc (sal.symtab, sal.line, &sal.pc)) |
| 2808 | return TCL_ERROR; |
| 2809 | |
| 2810 | sal.section = find_pc_overlay (sal.pc); |
| 2811 | b = set_raw_breakpoint (sal); |
| 2812 | set_breakpoint_count (breakpoint_count + 1); |
| 2813 | b->number = breakpoint_count; |
| 2814 | b->type = flags >> 2; |
| 2815 | b->disposition = flags & 3; |
| 2816 | |
| 2817 | /* FIXME: this won't work for duplicate basenames! */ |
| 2818 | sprintf (buf, "%s:%d", basename (Tcl_GetStringFromObj ( objv[1], NULL)), line); |
| 2819 | b->addr_string = strsave (buf); |
| 2820 | |
| 2821 | /* now send notification command back to GUI */ |
| 2822 | |
| 2823 | Tcl_DStringInit (&cmd); |
| 2824 | |
| 2825 | Tcl_DStringAppend (&cmd, "gdbtk_tcl_breakpoint create ", -1); |
| 2826 | sprintf (buf, "%d", b->number); |
| 2827 | Tcl_DStringAppendElement(&cmd, buf); |
| 2828 | sprintf (buf, "0x%x", sal.pc); |
| 2829 | Tcl_DStringAppendElement (&cmd, buf); |
| 2830 | Tcl_DStringAppendElement (&cmd, Tcl_GetStringFromObj (objv[2], NULL)); |
| 2831 | Tcl_DStringAppendElement (&cmd, Tcl_GetStringFromObj (objv[1], NULL)); |
| 2832 | |
| 2833 | ret = Tcl_Eval (interp, Tcl_DStringValue (&cmd)); |
| 2834 | Tcl_DStringFree (&cmd); |
| 2835 | return ret; |
| 2836 | } |
| 2837 | |
| 2838 | /* This implements the tcl command gdb_get_breakpoint_info |
| 2839 | * |
| 2840 | * |
| 2841 | * Tcl Arguments: |
| 2842 | * breakpoint_number |
| 2843 | * Tcl Result: |
| 2844 | * A list with {file, function, line_number, address, type, enabled?, |
| 2845 | * disposition, ignore_count, {list_of_commands}, thread, hit_count} |
| 2846 | */ |
| 2847 | |
| 2848 | static int |
| 2849 | gdb_get_breakpoint_info (clientData, interp, objc, objv) |
| 2850 | ClientData clientData; |
| 2851 | Tcl_Interp *interp; |
| 2852 | int objc; |
| 2853 | Tcl_Obj *CONST objv[]; |
| 2854 | { |
| 2855 | struct symtab_and_line sal; |
| 2856 | static char *bptypes[] = {"breakpoint", "hardware breakpoint", "until", |
| 2857 | "finish", "watchpoint", "hardware watchpoint", |
| 2858 | "read watchpoint", "access watchpoint", |
| 2859 | "longjmp", "longjmp resume", "step resume", |
| 2860 | "through sigtramp", "watchpoint scope", |
| 2861 | "call dummy" }; |
| 2862 | static char *bpdisp[] = {"delete", "delstop", "disable", "donttouch"}; |
| 2863 | struct command_line *cmd; |
| 2864 | int bpnum; |
| 2865 | struct breakpoint *b; |
| 2866 | extern struct breakpoint *breakpoint_chain; |
| 2867 | char *funcname, *fname, *filename; |
| 2868 | Tcl_Obj *new_obj; |
| 2869 | |
| 2870 | if (objc != 2) |
| 2871 | { |
| 2872 | Tcl_SetStringObj (result_ptr->obj_ptr, "wrong number of args, should be \"breakpoint\"", -1); |
| 2873 | return TCL_ERROR; |
| 2874 | } |
| 2875 | |
| 2876 | if ( Tcl_GetIntFromObj(NULL, objv[1], &bpnum) != TCL_OK) |
| 2877 | { |
| 2878 | result_ptr->flags = GDBTK_IN_TCL_RESULT; |
| 2879 | return TCL_ERROR; |
| 2880 | } |
| 2881 | |
| 2882 | for (b = breakpoint_chain; b; b = b->next) |
| 2883 | if (b->number == bpnum) |
| 2884 | break; |
| 2885 | |
| 2886 | if (!b || b->type != bp_breakpoint) |
| 2887 | { |
| 2888 | Tcl_SetStringObj (result_ptr->obj_ptr, "Breakpoint #%d does not exist", -1); |
| 2889 | return TCL_ERROR; |
| 2890 | } |
| 2891 | |
| 2892 | sal = find_pc_line (b->address, 0); |
| 2893 | |
| 2894 | filename = symtab_to_filename (sal.symtab); |
| 2895 | if (filename == NULL) |
| 2896 | filename = ""; |
| 2897 | |
| 2898 | Tcl_SetListObj (result_ptr->obj_ptr ,0 ,NULL); |
| 2899 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, |
| 2900 | Tcl_NewStringObj (filename, -1)); |
| 2901 | |
| 2902 | find_pc_partial_function (b->address, &funcname, NULL, NULL); |
| 2903 | fname = cplus_demangle (funcname, 0); |
| 2904 | if (fname) |
| 2905 | { |
| 2906 | new_obj = Tcl_NewStringObj (fname, -1); |
| 2907 | free (fname); |
| 2908 | } |
| 2909 | else |
| 2910 | new_obj = Tcl_NewStringObj (funcname, -1); |
| 2911 | |
| 2912 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, new_obj); |
| 2913 | |
| 2914 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj (b->line_number)); |
| 2915 | sprintf_append_element_to_obj (result_ptr->obj_ptr, "0x%lx", b->address); |
| 2916 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, |
| 2917 | Tcl_NewStringObj (bptypes[b->type], -1)); |
| 2918 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewBooleanObj(b->enable == enabled)); |
| 2919 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, |
| 2920 | Tcl_NewStringObj (bpdisp[b->disposition], -1)); |
| 2921 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj (b->ignore_count)); |
| 2922 | |
| 2923 | new_obj = Tcl_NewObj(); |
| 2924 | for (cmd = b->commands; cmd; cmd = cmd->next) |
| 2925 | Tcl_ListObjAppendElement (NULL, new_obj, |
| 2926 | Tcl_NewStringObj (cmd->line, -1)); |
| 2927 | Tcl_ListObjAppendElement(NULL, result_ptr->obj_ptr, new_obj); |
| 2928 | |
| 2929 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, |
| 2930 | Tcl_NewStringObj (b->cond_string, -1)); |
| 2931 | |
| 2932 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj (b->thread)); |
| 2933 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj (b->hit_count)); |
| 2934 | |
| 2935 | return TCL_OK; |
| 2936 | } |
| 2937 | |
| 2938 | |
| 2939 | /* This implements the tcl command gdb_get_breakpoint_list |
| 2940 | * It builds up a list of the current breakpoints. |
| 2941 | * |
| 2942 | * Tcl Arguments: |
| 2943 | * None. |
| 2944 | * Tcl Result: |
| 2945 | * A list of breakpoint numbers. |
| 2946 | */ |
| 2947 | |
| 2948 | static int |
| 2949 | gdb_get_breakpoint_list (clientData, interp, objc, objv) |
| 2950 | ClientData clientData; |
| 2951 | Tcl_Interp *interp; |
| 2952 | int objc; |
| 2953 | Tcl_Obj *CONST objv[]; |
| 2954 | { |
| 2955 | struct breakpoint *b; |
| 2956 | extern struct breakpoint *breakpoint_chain; |
| 2957 | Tcl_Obj *new_obj; |
| 2958 | |
| 2959 | if (objc != 1) |
| 2960 | error ("wrong number of args, none are allowed"); |
| 2961 | |
| 2962 | for (b = breakpoint_chain; b; b = b->next) |
| 2963 | if (b->type == bp_breakpoint) |
| 2964 | { |
| 2965 | new_obj = Tcl_NewIntObj (b->number); |
| 2966 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, new_obj); |
| 2967 | } |
| 2968 | |
| 2969 | return TCL_OK; |
| 2970 | } |
| 2971 | |
| 2972 | \f |
| 2973 | /* |
| 2974 | * This section contains a bunch of miscellaneous utility commands |
| 2975 | */ |
| 2976 | |
| 2977 | /* This implements the tcl command gdb_path_conv |
| 2978 | * |
| 2979 | * On Windows, it canonicalizes the pathname, |
| 2980 | * On Unix, it is a no op. |
| 2981 | * |
| 2982 | * Arguments: |
| 2983 | * path |
| 2984 | * Tcl Result: |
| 2985 | * The canonicalized path. |
| 2986 | */ |
| 2987 | |
| 2988 | static int |
| 2989 | gdb_path_conv (clientData, interp, objc, objv) |
| 2990 | ClientData clientData; |
| 2991 | Tcl_Interp *interp; |
| 2992 | int objc; |
| 2993 | Tcl_Obj *CONST objv[]; |
| 2994 | { |
| 2995 | if (objc != 2) |
| 2996 | error ("wrong # args"); |
| 2997 | |
| 2998 | #ifdef WINNT |
| 2999 | { |
| 3000 | char pathname[256], *ptr; |
| 3001 | |
| 3002 | cygwin32_conv_to_full_win32_path (Tcl_GetStringFromObj(objv[1], NULL), pathname); |
| 3003 | for (ptr = pathname; *ptr; ptr++) |
| 3004 | { |
| 3005 | if (*ptr == '\\') |
| 3006 | *ptr = '/'; |
| 3007 | } |
| 3008 | Tcl_SetStringObj (result_ptr->obj_ptr, pathname, -1); |
| 3009 | } |
| 3010 | #else |
| 3011 | Tcl_SetStringObj (result_ptr->obj_ptr, Tcl_GetStringFromObj (objv[1], NULL), -1); |
| 3012 | #endif |
| 3013 | |
| 3014 | return TCL_OK; |
| 3015 | } |
| 3016 | \f |
| 3017 | /* |
| 3018 | * This section has utility routines that are not Tcl commands. |
| 3019 | */ |
| 3020 | |
| 3021 | static int |
| 3022 | perror_with_name_wrapper (args) |
| 3023 | char * args; |
| 3024 | { |
| 3025 | perror_with_name (args); |
| 3026 | return 1; |
| 3027 | } |
| 3028 | |
| 3029 | /* The lookup_symtab() in symtab.c doesn't work correctly */ |
| 3030 | /* It will not work will full pathnames and if multiple */ |
| 3031 | /* source files have the same basename, it will return */ |
| 3032 | /* the first one instead of the correct one. This version */ |
| 3033 | /* also always makes sure symtab->fullname is set. */ |
| 3034 | |
| 3035 | static struct symtab * |
| 3036 | full_lookup_symtab(file) |
| 3037 | char *file; |
| 3038 | { |
| 3039 | struct symtab *st; |
| 3040 | struct objfile *objfile; |
| 3041 | char *bfile, *fullname; |
| 3042 | struct partial_symtab *pt; |
| 3043 | |
| 3044 | if (!file) |
| 3045 | return NULL; |
| 3046 | |
| 3047 | /* first try a direct lookup */ |
| 3048 | st = lookup_symtab (file); |
| 3049 | if (st) |
| 3050 | { |
| 3051 | if (!st->fullname) |
| 3052 | symtab_to_filename(st); |
| 3053 | return st; |
| 3054 | } |
| 3055 | |
| 3056 | /* if the direct approach failed, try */ |
| 3057 | /* looking up the basename and checking */ |
| 3058 | /* all matches with the fullname */ |
| 3059 | bfile = basename (file); |
| 3060 | ALL_SYMTABS (objfile, st) |
| 3061 | { |
| 3062 | if (!strcmp (bfile, basename(st->filename))) |
| 3063 | { |
| 3064 | if (!st->fullname) |
| 3065 | fullname = symtab_to_filename (st); |
| 3066 | else |
| 3067 | fullname = st->fullname; |
| 3068 | |
| 3069 | if (!strcmp (file, fullname)) |
| 3070 | return st; |
| 3071 | } |
| 3072 | } |
| 3073 | |
| 3074 | /* still no luck? look at psymtabs */ |
| 3075 | ALL_PSYMTABS (objfile, pt) |
| 3076 | { |
| 3077 | if (!strcmp (bfile, basename(pt->filename))) |
| 3078 | { |
| 3079 | st = PSYMTAB_TO_SYMTAB (pt); |
| 3080 | if (st) |
| 3081 | { |
| 3082 | fullname = symtab_to_filename (st); |
| 3083 | if (!strcmp (file, fullname)) |
| 3084 | return st; |
| 3085 | } |
| 3086 | } |
| 3087 | } |
| 3088 | return NULL; |
| 3089 | } |