| 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 | /* These two lookup tables are used to translate the type & disposition fields |
| 135 | of the breakpoint structure (respectively) into something gdbtk understands. |
| 136 | They are also used in gdbtk-hooks.c */ |
| 137 | |
| 138 | char *bptypes[] = {"breakpoint", "hardware breakpoint", "until", |
| 139 | "finish", "watchpoint", "hardware watchpoint", |
| 140 | "read watchpoint", "access watchpoint", |
| 141 | "longjmp", "longjmp resume", "step resume", |
| 142 | "through sigtramp", "watchpoint scope", |
| 143 | "call dummy" }; |
| 144 | char *bpdisp[] = {"delete", "delstop", "disable", "donttouch"}; |
| 145 | |
| 146 | /* |
| 147 | * These are routines we need from breakpoint.c. |
| 148 | * at some point make these static in breakpoint.c and move GUI code there |
| 149 | */ |
| 150 | |
| 151 | extern struct breakpoint *set_raw_breakpoint (struct symtab_and_line sal); |
| 152 | extern void set_breakpoint_count (int); |
| 153 | extern int breakpoint_count; |
| 154 | |
| 155 | /* This variable determines where memory used for disassembly is read from. |
| 156 | * See note in gdbtk.h for details. |
| 157 | */ |
| 158 | int disassemble_from_exec = -1; |
| 159 | |
| 160 | |
| 161 | /* |
| 162 | * Declarations for routines exported from this file |
| 163 | */ |
| 164 | |
| 165 | int Gdbtk_Init (Tcl_Interp *interp); |
| 166 | |
| 167 | /* |
| 168 | * Declarations for routines used only in this file. |
| 169 | */ |
| 170 | |
| 171 | static int compare_lines PARAMS ((const PTR, const PTR)); |
| 172 | static int comp_files PARAMS ((const void *, const void *)); |
| 173 | static int call_wrapper PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 174 | static int gdb_actions_command PARAMS ((ClientData, Tcl_Interp *, int, |
| 175 | Tcl_Obj *CONST objv[])); |
| 176 | static int gdb_changed_register_list PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 177 | static int gdb_clear_file PARAMS ((ClientData, Tcl_Interp *interp, int, Tcl_Obj *CONST [])); |
| 178 | static int gdb_cmd PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 179 | static int gdb_confirm_quit PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 180 | static int gdb_disassemble PARAMS ((ClientData, Tcl_Interp *, int, |
| 181 | Tcl_Obj *CONST [])); |
| 182 | static int gdb_eval PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 183 | static int gdb_fetch_registers PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 184 | static int gdb_find_file_command PARAMS ((ClientData, Tcl_Interp *, int, |
| 185 | Tcl_Obj *CONST objv[])); |
| 186 | static int gdb_force_quit PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 187 | static struct symtab *full_lookup_symtab PARAMS ((char *file)); |
| 188 | static int gdb_get_args_command PARAMS ((ClientData, Tcl_Interp *, int, |
| 189 | Tcl_Obj *CONST objv[])); |
| 190 | static int gdb_get_breakpoint_info PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 191 | static int gdb_get_breakpoint_list PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 192 | static int gdb_get_file_command PARAMS ((ClientData, Tcl_Interp *, int, |
| 193 | Tcl_Obj *CONST objv[])); |
| 194 | static int gdb_get_function_command PARAMS ((ClientData, Tcl_Interp *, int, |
| 195 | Tcl_Obj *CONST objv[])); |
| 196 | static int gdb_get_line_command PARAMS ((ClientData, Tcl_Interp *, int, |
| 197 | Tcl_Obj *CONST objv[])); |
| 198 | static int gdb_get_locals_command PARAMS ((ClientData, Tcl_Interp *, int, |
| 199 | Tcl_Obj *CONST objv[])); |
| 200 | static int gdb_get_mem PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 201 | static int gdb_get_trace_frame_num PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); |
| 202 | static int gdb_get_tracepoint_list PARAMS ((ClientData, Tcl_Interp *, int, |
| 203 | Tcl_Obj *CONST objv[])); |
| 204 | static int gdb_get_vars_command PARAMS ((ClientData, Tcl_Interp *, int, |
| 205 | Tcl_Obj *CONST objv[])); |
| 206 | static int gdb_immediate_command PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 207 | static int gdb_listfiles PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 208 | static int gdb_listfuncs PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 209 | static int gdb_loadfile PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); |
| 210 | static int gdb_load_info PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); |
| 211 | static int gdb_loc PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 212 | static int gdb_path_conv PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 213 | static int gdb_prompt_command PARAMS ((ClientData, Tcl_Interp *, int, |
| 214 | Tcl_Obj *CONST objv[])); |
| 215 | static int gdb_regnames PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 216 | static int gdb_search PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST |
| 217 | objv[])); |
| 218 | static int gdb_set_bp PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); |
| 219 | static int gdb_set_bp_addr PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); |
| 220 | static int gdb_find_bp_at_line PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); |
| 221 | static int gdb_find_bp_at_addr PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); |
| 222 | static int gdb_stop PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 223 | static int gdb_target_has_execution_command PARAMS ((ClientData, Tcl_Interp *, |
| 224 | int, |
| 225 | Tcl_Obj *CONST [])); |
| 226 | static int gdb_trace_status PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 227 | static int gdb_tracepoint_exists_command PARAMS ((ClientData, Tcl_Interp *, |
| 228 | int, |
| 229 | Tcl_Obj *CONST objv[])); |
| 230 | static int gdb_get_tracepoint_info PARAMS ((ClientData, Tcl_Interp *, int, |
| 231 | Tcl_Obj *CONST objv[])); |
| 232 | static int gdbtk_dis_asm_read_memory PARAMS ((bfd_vma, bfd_byte *, int, disassemble_info *)); |
| 233 | static int get_pc_register PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 234 | static int gdb_stack PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); |
| 235 | |
| 236 | char * get_prompt PARAMS ((void)); |
| 237 | static void get_register PARAMS ((int, void *)); |
| 238 | static void get_register_name PARAMS ((int, void *)); |
| 239 | static int map_arg_registers PARAMS ((int, Tcl_Obj *CONST [], void (*) (int, void *), void *)); |
| 240 | static int perror_with_name_wrapper PARAMS ((char *args)); |
| 241 | static void register_changed_p PARAMS ((int, void *)); |
| 242 | void TclDebug PARAMS ((const char *fmt, ...)); |
| 243 | static int wrapped_call (char *opaque_args); |
| 244 | static void get_frame_name PARAMS ((Tcl_Interp *interp, Tcl_Obj *list, struct frame_info *fi)); |
| 245 | \f |
| 246 | /* Gdbtk_Init |
| 247 | * This loads all the Tcl commands into the Tcl interpreter. |
| 248 | * |
| 249 | * Arguments: |
| 250 | * interp - The interpreter into which to load the commands. |
| 251 | * |
| 252 | * Result: |
| 253 | * A standard Tcl result. |
| 254 | */ |
| 255 | |
| 256 | int |
| 257 | Gdbtk_Init (interp) |
| 258 | Tcl_Interp *interp; |
| 259 | { |
| 260 | Tcl_CreateObjCommand (interp, "gdb_cmd", call_wrapper, gdb_cmd, NULL); |
| 261 | Tcl_CreateObjCommand (interp, "gdb_immediate", call_wrapper, |
| 262 | gdb_immediate_command, NULL); |
| 263 | Tcl_CreateObjCommand (interp, "gdb_loc", call_wrapper, gdb_loc, NULL); |
| 264 | Tcl_CreateObjCommand (interp, "gdb_path_conv", call_wrapper, gdb_path_conv, NULL); |
| 265 | Tcl_CreateObjCommand (interp, "gdb_listfiles", call_wrapper, gdb_listfiles, NULL); |
| 266 | Tcl_CreateObjCommand (interp, "gdb_listfuncs", call_wrapper, gdb_listfuncs, |
| 267 | NULL); |
| 268 | Tcl_CreateObjCommand (interp, "gdb_get_mem", call_wrapper, gdb_get_mem, |
| 269 | NULL); |
| 270 | Tcl_CreateObjCommand (interp, "gdb_stop", call_wrapper, gdb_stop, NULL); |
| 271 | Tcl_CreateObjCommand (interp, "gdb_regnames", call_wrapper, gdb_regnames, NULL); |
| 272 | Tcl_CreateObjCommand (interp, "gdb_fetch_registers", call_wrapper, |
| 273 | gdb_fetch_registers, NULL); |
| 274 | Tcl_CreateObjCommand (interp, "gdb_changed_register_list", call_wrapper, |
| 275 | gdb_changed_register_list, NULL); |
| 276 | Tcl_CreateObjCommand (interp, "gdb_disassemble", call_wrapper, |
| 277 | gdb_disassemble, NULL); |
| 278 | Tcl_CreateObjCommand (interp, "gdb_eval", call_wrapper, gdb_eval, NULL); |
| 279 | Tcl_CreateObjCommand (interp, "gdb_get_breakpoint_list", call_wrapper, |
| 280 | gdb_get_breakpoint_list, NULL); |
| 281 | Tcl_CreateObjCommand (interp, "gdb_get_breakpoint_info", call_wrapper, |
| 282 | gdb_get_breakpoint_info, NULL); |
| 283 | Tcl_CreateObjCommand (interp, "gdb_clear_file", call_wrapper, |
| 284 | gdb_clear_file, NULL); |
| 285 | Tcl_CreateObjCommand (interp, "gdb_confirm_quit", call_wrapper, |
| 286 | gdb_confirm_quit, NULL); |
| 287 | Tcl_CreateObjCommand (interp, "gdb_force_quit", call_wrapper, |
| 288 | gdb_force_quit, NULL); |
| 289 | Tcl_CreateObjCommand (interp, "gdb_target_has_execution", |
| 290 | call_wrapper, |
| 291 | gdb_target_has_execution_command, NULL); |
| 292 | Tcl_CreateObjCommand (interp, "gdb_is_tracing", |
| 293 | call_wrapper, gdb_trace_status, |
| 294 | NULL); |
| 295 | Tcl_CreateObjCommand (interp, "gdb_load_info", call_wrapper, gdb_load_info, NULL); |
| 296 | Tcl_CreateObjCommand (interp, "gdb_get_locals", call_wrapper, gdb_get_locals_command, |
| 297 | NULL); |
| 298 | Tcl_CreateObjCommand (interp, "gdb_get_args", call_wrapper, gdb_get_args_command, |
| 299 | NULL); |
| 300 | Tcl_CreateObjCommand (interp, "gdb_get_function", call_wrapper, gdb_get_function_command, |
| 301 | NULL); |
| 302 | Tcl_CreateObjCommand (interp, "gdb_get_line", call_wrapper, gdb_get_line_command, |
| 303 | NULL); |
| 304 | Tcl_CreateObjCommand (interp, "gdb_get_file", call_wrapper, gdb_get_file_command, |
| 305 | NULL); |
| 306 | Tcl_CreateObjCommand (interp, "gdb_tracepoint_exists", |
| 307 | call_wrapper, gdb_tracepoint_exists_command, NULL); |
| 308 | Tcl_CreateObjCommand (interp, "gdb_get_tracepoint_info", |
| 309 | call_wrapper, gdb_get_tracepoint_info, NULL); |
| 310 | Tcl_CreateObjCommand (interp, "gdb_actions", |
| 311 | call_wrapper, gdb_actions_command, NULL); |
| 312 | Tcl_CreateObjCommand (interp, "gdb_prompt", |
| 313 | call_wrapper, gdb_prompt_command, NULL); |
| 314 | Tcl_CreateObjCommand (interp, "gdb_find_file", |
| 315 | call_wrapper, gdb_find_file_command, NULL); |
| 316 | Tcl_CreateObjCommand (interp, "gdb_get_tracepoint_list", |
| 317 | call_wrapper, gdb_get_tracepoint_list, NULL); |
| 318 | Tcl_CreateObjCommand (interp, "gdb_pc_reg", call_wrapper, get_pc_register, NULL); |
| 319 | Tcl_CreateObjCommand (interp, "gdb_loadfile", call_wrapper, gdb_loadfile, NULL); |
| 320 | Tcl_CreateObjCommand (gdbtk_interp, "gdb_search", call_wrapper, |
| 321 | gdb_search, NULL); |
| 322 | Tcl_CreateObjCommand (interp, "gdb_set_bp", call_wrapper, gdb_set_bp, NULL); |
| 323 | Tcl_CreateObjCommand (interp, "gdb_set_bp_addr", call_wrapper, gdb_set_bp_addr, NULL); |
| 324 | Tcl_CreateObjCommand (interp, "gdb_find_bp_at_line", call_wrapper, gdb_find_bp_at_line, NULL); |
| 325 | Tcl_CreateObjCommand (interp, "gdb_find_bp_at_addr", call_wrapper, gdb_find_bp_at_addr, NULL); |
| 326 | Tcl_CreateObjCommand (interp, "gdb_get_trace_frame_num", |
| 327 | call_wrapper, gdb_get_trace_frame_num, NULL); |
| 328 | Tcl_CreateObjCommand (interp, "gdb_stack", call_wrapper, gdb_stack, NULL); |
| 329 | |
| 330 | Tcl_LinkVar (interp, "gdb_selected_frame_level", |
| 331 | (char *) &selected_frame_level, |
| 332 | TCL_LINK_INT | TCL_LINK_READ_ONLY); |
| 333 | |
| 334 | /* gdb_context is used for debugging multiple threads or tasks */ |
| 335 | Tcl_LinkVar (interp, "gdb_context_id", |
| 336 | (char *) &gdb_context, |
| 337 | TCL_LINK_INT | TCL_LINK_READ_ONLY); |
| 338 | |
| 339 | /* Determine where to disassemble from */ |
| 340 | Tcl_LinkVar (gdbtk_interp, "disassemble-from-exec", (char *) &disassemble_from_exec, |
| 341 | TCL_LINK_INT); |
| 342 | |
| 343 | Tcl_PkgProvide(interp, "Gdbtk", GDBTK_VERSION); |
| 344 | return TCL_OK; |
| 345 | } |
| 346 | |
| 347 | /* This routine acts as a top-level for all GDB code called by Tcl/Tk. It |
| 348 | handles cleanups, and uses catch_errors to trap calls to return_to_top_level |
| 349 | (usually via error). |
| 350 | This is necessary in order to prevent a longjmp out of the bowels of Tk, |
| 351 | possibly leaving things in a bad state. Since this routine can be called |
| 352 | recursively, it needs to save and restore the contents of the result_ptr as |
| 353 | necessary. */ |
| 354 | |
| 355 | static int |
| 356 | call_wrapper (clientData, interp, objc, objv) |
| 357 | ClientData clientData; |
| 358 | Tcl_Interp *interp; |
| 359 | int objc; |
| 360 | Tcl_Obj *CONST objv[]; |
| 361 | { |
| 362 | struct wrapped_call_args wrapped_args; |
| 363 | gdbtk_result new_result, *old_result_ptr; |
| 364 | |
| 365 | old_result_ptr = result_ptr; |
| 366 | result_ptr = &new_result; |
| 367 | result_ptr->obj_ptr = Tcl_NewObj(); |
| 368 | result_ptr->flags = GDBTK_TO_RESULT; |
| 369 | |
| 370 | wrapped_args.func = (Tcl_ObjCmdProc *) clientData; |
| 371 | wrapped_args.interp = interp; |
| 372 | wrapped_args.objc = objc; |
| 373 | wrapped_args.objv = objv; |
| 374 | wrapped_args.val = TCL_OK; |
| 375 | |
| 376 | if (!catch_errors (wrapped_call, &wrapped_args, "", RETURN_MASK_ALL)) |
| 377 | { |
| 378 | |
| 379 | wrapped_args.val = TCL_ERROR; /* Flag an error for TCL */ |
| 380 | |
| 381 | /* Make sure the timer interrupts are turned off. */ |
| 382 | |
| 383 | gdbtk_stop_timer (); |
| 384 | |
| 385 | gdb_flush (gdb_stderr); /* Flush error output */ |
| 386 | gdb_flush (gdb_stdout); /* Sometimes error output comes here as well */ |
| 387 | |
| 388 | /* If we errored out here, and the results were going to the |
| 389 | console, then gdbtk_fputs will have gathered the result into the |
| 390 | result_ptr. We also need to echo them out to the console here */ |
| 391 | |
| 392 | gdb_flush (gdb_stderr); /* Flush error output */ |
| 393 | gdb_flush (gdb_stdout); /* Sometimes error output comes here as well */ |
| 394 | |
| 395 | /* In case of an error, we may need to force the GUI into idle |
| 396 | mode because gdbtk_call_command may have bombed out while in |
| 397 | the command routine. */ |
| 398 | |
| 399 | running_now = 0; |
| 400 | Tcl_Eval (interp, "gdbtk_tcl_idle"); |
| 401 | |
| 402 | } |
| 403 | |
| 404 | /* do not suppress any errors -- a remote target could have errored */ |
| 405 | load_in_progress = 0; |
| 406 | |
| 407 | /* |
| 408 | * Now copy the result over to the true Tcl result. If GDBTK_TO_RESULT flag |
| 409 | * bit is set , this just copies a null object over to the Tcl result, which is |
| 410 | * fine because we should reset the result in this case anyway. |
| 411 | */ |
| 412 | if (result_ptr->flags & GDBTK_IN_TCL_RESULT) |
| 413 | { |
| 414 | Tcl_DecrRefCount(result_ptr->obj_ptr); |
| 415 | } |
| 416 | else |
| 417 | { |
| 418 | Tcl_SetObjResult (interp, result_ptr->obj_ptr); |
| 419 | } |
| 420 | |
| 421 | result_ptr = old_result_ptr; |
| 422 | |
| 423 | #ifdef _WIN32 |
| 424 | close_bfds (); |
| 425 | #endif |
| 426 | |
| 427 | return wrapped_args.val; |
| 428 | } |
| 429 | |
| 430 | /* |
| 431 | * This is the wrapper that is passed to catch_errors. |
| 432 | */ |
| 433 | |
| 434 | static int |
| 435 | wrapped_call (opaque_args) |
| 436 | char *opaque_args; |
| 437 | { |
| 438 | struct wrapped_call_args *args = (struct wrapped_call_args *) opaque_args; |
| 439 | args->val = (*args->func) (args->func, args->interp, args->objc, args->objv); |
| 440 | return 1; |
| 441 | } |
| 442 | |
| 443 | /* This is a convenience function to sprintf something(s) into a |
| 444 | * new element in a Tcl list object. |
| 445 | */ |
| 446 | |
| 447 | static void |
| 448 | #ifdef ANSI_PROTOTYPES |
| 449 | sprintf_append_element_to_obj (Tcl_Obj *objp, char *format, ...) |
| 450 | #else |
| 451 | sprintf_append_element_to_obj (va_alist) |
| 452 | va_dcl |
| 453 | #endif |
| 454 | { |
| 455 | va_list args; |
| 456 | char buf[1024]; |
| 457 | |
| 458 | #ifdef ANSI_PROTOTYPES |
| 459 | va_start (args, format); |
| 460 | #else |
| 461 | Tcl_Obj *objp; |
| 462 | char *format; |
| 463 | |
| 464 | va_start (args); |
| 465 | dsp = va_arg (args, Tcl_Obj *); |
| 466 | format = va_arg (args, char *); |
| 467 | #endif |
| 468 | |
| 469 | vsprintf (buf, format, args); |
| 470 | |
| 471 | Tcl_ListObjAppendElement (NULL, objp, Tcl_NewStringObj (buf, -1)); |
| 472 | } |
| 473 | \f |
| 474 | /* |
| 475 | * This section contains the commands that control execution. |
| 476 | */ |
| 477 | |
| 478 | /* This implements the tcl command gdb_clear_file. |
| 479 | * |
| 480 | * Prepare to accept a new executable file. This is called when we |
| 481 | * want to clear away everything we know about the old file, without |
| 482 | * asking the user. The Tcl code will have already asked the user if |
| 483 | * necessary. After this is called, we should be able to run the |
| 484 | * `file' command without getting any questions. |
| 485 | * |
| 486 | * Arguments: |
| 487 | * None |
| 488 | * Tcl Result: |
| 489 | * None |
| 490 | */ |
| 491 | |
| 492 | static int |
| 493 | gdb_clear_file (clientData, interp, objc, objv) |
| 494 | ClientData clientData; |
| 495 | Tcl_Interp *interp; |
| 496 | int objc; |
| 497 | Tcl_Obj *CONST objv[]; |
| 498 | { |
| 499 | if (objc != 1) |
| 500 | Tcl_SetStringObj (result_ptr->obj_ptr, |
| 501 | "Wrong number of args, none are allowed.", -1); |
| 502 | |
| 503 | if (inferior_pid != 0 && target_has_execution) |
| 504 | { |
| 505 | if (attach_flag) |
| 506 | target_detach (NULL, 0); |
| 507 | else |
| 508 | target_kill (); |
| 509 | } |
| 510 | |
| 511 | if (target_has_execution) |
| 512 | pop_target (); |
| 513 | |
| 514 | symbol_file_command (NULL, 0); |
| 515 | |
| 516 | /* gdb_loc refers to stop_pc, but nothing seems to clear it, so we |
| 517 | clear it here. FIXME: This seems like an abstraction violation |
| 518 | somewhere. */ |
| 519 | stop_pc = 0; |
| 520 | |
| 521 | return TCL_OK; |
| 522 | } |
| 523 | |
| 524 | /* This implements the tcl command gdb_confirm_quit |
| 525 | * Ask the user to confirm an exit request. |
| 526 | * |
| 527 | * Arguments: |
| 528 | * None |
| 529 | * Tcl Result: |
| 530 | * A boolean, 1 if the user answered yes, 0 if no. |
| 531 | */ |
| 532 | |
| 533 | static int |
| 534 | gdb_confirm_quit (clientData, interp, objc, objv) |
| 535 | ClientData clientData; |
| 536 | Tcl_Interp *interp; |
| 537 | int objc; |
| 538 | Tcl_Obj *CONST objv[]; |
| 539 | { |
| 540 | int ret; |
| 541 | |
| 542 | if (objc != 1) |
| 543 | { |
| 544 | Tcl_SetStringObj (result_ptr->obj_ptr, "Wrong number of args, should be none.", -1); |
| 545 | return TCL_ERROR; |
| 546 | } |
| 547 | |
| 548 | ret = quit_confirm (); |
| 549 | Tcl_SetBooleanObj (result_ptr->obj_ptr, ret); |
| 550 | return TCL_OK; |
| 551 | } |
| 552 | |
| 553 | /* This implements the tcl command gdb_force_quit |
| 554 | * Quit without asking for confirmation. |
| 555 | * |
| 556 | * Arguments: |
| 557 | * None |
| 558 | * Tcl Result: |
| 559 | * None |
| 560 | */ |
| 561 | |
| 562 | static int |
| 563 | gdb_force_quit (clientData, interp, objc, objv) |
| 564 | ClientData clientData; |
| 565 | Tcl_Interp *interp; |
| 566 | int objc; |
| 567 | Tcl_Obj *CONST objv[]; |
| 568 | { |
| 569 | if (objc != 1) |
| 570 | { |
| 571 | Tcl_SetStringObj (result_ptr->obj_ptr, "Wrong number of args, should be none.", -1); |
| 572 | return TCL_ERROR; |
| 573 | } |
| 574 | |
| 575 | quit_force ((char *) NULL, 1); |
| 576 | return TCL_OK; |
| 577 | } |
| 578 | |
| 579 | /* This implements the tcl command gdb_stop |
| 580 | * It stops the target in a continuable fashion. |
| 581 | * |
| 582 | * Arguments: |
| 583 | * None |
| 584 | * Tcl Result: |
| 585 | * None |
| 586 | */ |
| 587 | |
| 588 | static int |
| 589 | gdb_stop (clientData, interp, objc, objv) |
| 590 | ClientData clientData; |
| 591 | Tcl_Interp *interp; |
| 592 | int objc; |
| 593 | Tcl_Obj *CONST objv[]; |
| 594 | { |
| 595 | if (target_stop != target_ignore) |
| 596 | target_stop (); |
| 597 | else |
| 598 | quit_flag = 1; /* hope something sees this */ |
| 599 | |
| 600 | return TCL_OK; |
| 601 | } |
| 602 | |
| 603 | \f |
| 604 | /* |
| 605 | * This section contains Tcl commands that are wrappers for invoking |
| 606 | * the GDB command interpreter. |
| 607 | */ |
| 608 | |
| 609 | |
| 610 | /* This implements the tcl command `gdb_eval'. |
| 611 | * It uses the gdb evaluator to return the value of |
| 612 | * an expression in the current language |
| 613 | * |
| 614 | * Tcl Arguments: |
| 615 | * expression - the expression to evaluate. |
| 616 | * Tcl Result: |
| 617 | * The result of the evaluation. |
| 618 | */ |
| 619 | |
| 620 | static int |
| 621 | gdb_eval (clientData, interp, objc, objv) |
| 622 | ClientData clientData; |
| 623 | Tcl_Interp *interp; |
| 624 | int objc; |
| 625 | Tcl_Obj *CONST objv[]; |
| 626 | { |
| 627 | struct expression *expr; |
| 628 | struct cleanup *old_chain=NULL; |
| 629 | value_ptr val; |
| 630 | |
| 631 | if (objc != 2) |
| 632 | { |
| 633 | Tcl_SetStringObj (result_ptr->obj_ptr, |
| 634 | "wrong # args, should be \"gdb_eval expression\"", -1); |
| 635 | return TCL_ERROR; |
| 636 | } |
| 637 | |
| 638 | expr = parse_expression (Tcl_GetStringFromObj (objv[1], NULL)); |
| 639 | |
| 640 | old_chain = make_cleanup ((make_cleanup_func) free_current_contents, &expr); |
| 641 | |
| 642 | val = evaluate_expression (expr); |
| 643 | |
| 644 | /* |
| 645 | * Print the result of the expression evaluation. This will go to |
| 646 | * eventually go to gdbtk_fputs, and from there be collected into |
| 647 | * the Tcl result. |
| 648 | */ |
| 649 | |
| 650 | val_print (VALUE_TYPE (val), VALUE_CONTENTS (val), |
| 651 | VALUE_EMBEDDED_OFFSET(val), VALUE_ADDRESS (val), |
| 652 | gdb_stdout, 0, 0, 0, 0); |
| 653 | |
| 654 | do_cleanups (old_chain); |
| 655 | |
| 656 | return TCL_OK; |
| 657 | } |
| 658 | |
| 659 | /* This implements the tcl command "gdb_cmd". |
| 660 | * |
| 661 | * It sends its argument to the GDB command scanner for execution. |
| 662 | * This command will never cause the update, idle and busy hooks to be called |
| 663 | * within the GUI. |
| 664 | * |
| 665 | * Tcl Arguments: |
| 666 | * command - The GDB command to execute |
| 667 | * Tcl Result: |
| 668 | * The output from the gdb command (except for the "load" & "while" |
| 669 | * which dump their output to the console. |
| 670 | */ |
| 671 | |
| 672 | static int |
| 673 | gdb_cmd (clientData, interp, objc, objv) |
| 674 | ClientData clientData; |
| 675 | Tcl_Interp *interp; |
| 676 | int objc; |
| 677 | Tcl_Obj *CONST objv[]; |
| 678 | { |
| 679 | int from_tty = 0; |
| 680 | |
| 681 | if (objc < 2) |
| 682 | { |
| 683 | Tcl_SetStringObj (result_ptr->obj_ptr, "wrong # args", -1); |
| 684 | return TCL_ERROR; |
| 685 | } |
| 686 | |
| 687 | if (objc == 3) |
| 688 | { |
| 689 | if (Tcl_GetBooleanFromObj (NULL, objv[2], &from_tty) != TCL_OK) { |
| 690 | Tcl_SetStringObj (result_ptr->obj_ptr, "from_tty must be a boolean.", |
| 691 | -1); |
| 692 | return TCL_ERROR; |
| 693 | } |
| 694 | } |
| 695 | |
| 696 | if (running_now || load_in_progress) |
| 697 | return TCL_OK; |
| 698 | |
| 699 | No_Update = 1; |
| 700 | |
| 701 | /* for the load instruction (and possibly others later) we |
| 702 | set turn off the GDBTK_TO_RESULT flag bit so gdbtk_fputs() |
| 703 | will not buffer all the data until the command is finished. */ |
| 704 | |
| 705 | if ((strncmp ("load ", Tcl_GetStringFromObj (objv[1], NULL), 5) == 0)) |
| 706 | { |
| 707 | result_ptr->flags &= ~GDBTK_TO_RESULT; |
| 708 | load_in_progress = 1; |
| 709 | } |
| 710 | |
| 711 | execute_command (Tcl_GetStringFromObj (objv[1], NULL), from_tty); |
| 712 | |
| 713 | if (load_in_progress) |
| 714 | { |
| 715 | load_in_progress = 0; |
| 716 | result_ptr->flags |= GDBTK_TO_RESULT; |
| 717 | } |
| 718 | |
| 719 | bpstat_do_actions (&stop_bpstat); |
| 720 | |
| 721 | return TCL_OK; |
| 722 | } |
| 723 | |
| 724 | /* |
| 725 | * This implements the tcl command "gdb_immediate" |
| 726 | * |
| 727 | * It does exactly the same thing as gdb_cmd, except NONE of its outut |
| 728 | * is buffered. This will also ALWAYS cause the busy, update, and idle hooks to |
| 729 | * be called, contrasted with gdb_cmd, which NEVER calls them. |
| 730 | * It turns off the GDBTK_TO_RESULT flag, which diverts the result |
| 731 | * to the console window. |
| 732 | * |
| 733 | * Tcl Arguments: |
| 734 | * command - The GDB command to execute |
| 735 | * Tcl Result: |
| 736 | * None. |
| 737 | */ |
| 738 | |
| 739 | static int |
| 740 | gdb_immediate_command (clientData, interp, objc, objv) |
| 741 | ClientData clientData; |
| 742 | Tcl_Interp *interp; |
| 743 | int objc; |
| 744 | Tcl_Obj *CONST objv[]; |
| 745 | { |
| 746 | |
| 747 | if (objc != 2) |
| 748 | { |
| 749 | Tcl_SetStringObj (result_ptr->obj_ptr, "wrong # args", -1); |
| 750 | return TCL_ERROR; |
| 751 | } |
| 752 | |
| 753 | if (running_now || load_in_progress) |
| 754 | return TCL_OK; |
| 755 | |
| 756 | No_Update = 0; |
| 757 | |
| 758 | result_ptr->flags &= ~GDBTK_TO_RESULT; |
| 759 | |
| 760 | execute_command (Tcl_GetStringFromObj (objv[1], NULL), 1); |
| 761 | |
| 762 | bpstat_do_actions (&stop_bpstat); |
| 763 | |
| 764 | result_ptr->flags |= GDBTK_TO_RESULT; |
| 765 | |
| 766 | return TCL_OK; |
| 767 | } |
| 768 | |
| 769 | /* This implements the tcl command "gdb_prompt" |
| 770 | * |
| 771 | * It returns the gdb interpreter's prompt. |
| 772 | * |
| 773 | * Tcl Arguments: |
| 774 | * None. |
| 775 | * Tcl Result: |
| 776 | * The prompt. |
| 777 | */ |
| 778 | |
| 779 | static int |
| 780 | gdb_prompt_command (clientData, interp, objc, objv) |
| 781 | ClientData clientData; |
| 782 | Tcl_Interp *interp; |
| 783 | int objc; |
| 784 | Tcl_Obj *CONST objv[]; |
| 785 | { |
| 786 | Tcl_SetStringObj (result_ptr->obj_ptr, get_prompt (), -1); |
| 787 | return TCL_OK; |
| 788 | } |
| 789 | |
| 790 | \f |
| 791 | /* |
| 792 | * This section contains general informational commands. |
| 793 | */ |
| 794 | |
| 795 | /* This implements the tcl command "gdb_target_has_execution" |
| 796 | * |
| 797 | * Tells whether the target is executing. |
| 798 | * |
| 799 | * Tcl Arguments: |
| 800 | * None |
| 801 | * Tcl Result: |
| 802 | * A boolean indicating whether the target is executing. |
| 803 | */ |
| 804 | |
| 805 | static int |
| 806 | gdb_target_has_execution_command (clientData, interp, objc, objv) |
| 807 | ClientData clientData; |
| 808 | Tcl_Interp *interp; |
| 809 | int objc; |
| 810 | Tcl_Obj *CONST objv[]; |
| 811 | { |
| 812 | int result = 0; |
| 813 | |
| 814 | if (target_has_execution && inferior_pid != 0) |
| 815 | result = 1; |
| 816 | |
| 817 | Tcl_SetBooleanObj (result_ptr->obj_ptr, result); |
| 818 | return TCL_OK; |
| 819 | } |
| 820 | |
| 821 | /* This implements the tcl command "gdb_load_info" |
| 822 | * |
| 823 | * It returns information about the file about to be downloaded. |
| 824 | * |
| 825 | * Tcl Arguments: |
| 826 | * filename: The file to open & get the info on. |
| 827 | * Tcl Result: |
| 828 | * A list consisting of the name and size of each section. |
| 829 | */ |
| 830 | |
| 831 | static int |
| 832 | gdb_load_info (clientData, interp, objc, objv) |
| 833 | ClientData clientData; |
| 834 | Tcl_Interp *interp; |
| 835 | int objc; |
| 836 | Tcl_Obj *CONST objv[]; |
| 837 | { |
| 838 | bfd *loadfile_bfd; |
| 839 | struct cleanup *old_cleanups; |
| 840 | asection *s; |
| 841 | Tcl_Obj *ob[2]; |
| 842 | |
| 843 | char *filename = Tcl_GetStringFromObj (objv[1], NULL); |
| 844 | |
| 845 | loadfile_bfd = bfd_openr (filename, gnutarget); |
| 846 | if (loadfile_bfd == NULL) |
| 847 | { |
| 848 | Tcl_SetStringObj (result_ptr->obj_ptr, "Open failed", -1); |
| 849 | return TCL_ERROR; |
| 850 | } |
| 851 | old_cleanups = make_cleanup ((make_cleanup_func) bfd_close, loadfile_bfd); |
| 852 | |
| 853 | if (!bfd_check_format (loadfile_bfd, bfd_object)) |
| 854 | { |
| 855 | Tcl_SetStringObj (result_ptr->obj_ptr, "Bad Object File", -1); |
| 856 | return TCL_ERROR; |
| 857 | } |
| 858 | |
| 859 | Tcl_SetListObj (result_ptr->obj_ptr, 0, NULL); |
| 860 | |
| 861 | for (s = loadfile_bfd->sections; s; s = s->next) |
| 862 | { |
| 863 | if (s->flags & SEC_LOAD) |
| 864 | { |
| 865 | bfd_size_type size = bfd_get_section_size_before_reloc (s); |
| 866 | if (size > 0) |
| 867 | { |
| 868 | ob[0] = Tcl_NewStringObj ((char *) bfd_get_section_name (loadfile_bfd, s), -1); |
| 869 | ob[1] = Tcl_NewLongObj ((long) size); |
| 870 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewListObj (2, ob)); |
| 871 | } |
| 872 | } |
| 873 | } |
| 874 | |
| 875 | do_cleanups (old_cleanups); |
| 876 | return TCL_OK; |
| 877 | } |
| 878 | |
| 879 | |
| 880 | /* gdb_get_locals - |
| 881 | * This and gdb_get_locals just call gdb_get_vars_command with the right |
| 882 | * value of clientData. We can't use the client data in the definition |
| 883 | * of the command, because the call wrapper uses this instead... |
| 884 | */ |
| 885 | |
| 886 | static int |
| 887 | gdb_get_locals_command (clientData, interp, objc, objv) |
| 888 | ClientData clientData; |
| 889 | Tcl_Interp *interp; |
| 890 | int objc; |
| 891 | Tcl_Obj *CONST objv[]; |
| 892 | { |
| 893 | |
| 894 | return gdb_get_vars_command((ClientData) 0, interp, objc, objv); |
| 895 | |
| 896 | } |
| 897 | |
| 898 | static int |
| 899 | gdb_get_args_command (clientData, interp, objc, objv) |
| 900 | ClientData clientData; |
| 901 | Tcl_Interp *interp; |
| 902 | int objc; |
| 903 | Tcl_Obj *CONST objv[]; |
| 904 | { |
| 905 | |
| 906 | return gdb_get_vars_command((ClientData) 1, interp, objc, objv); |
| 907 | |
| 908 | } |
| 909 | |
| 910 | /* This implements the tcl commands "gdb_get_locals" and "gdb_get_args" |
| 911 | * |
| 912 | * This function sets the Tcl interpreter's result to a list of variable names |
| 913 | * depending on clientData. If clientData is one, the result is a list of |
| 914 | * arguments; zero returns a list of locals -- all relative to the block |
| 915 | * specified as an argument to the command. Valid commands include |
| 916 | * anything decode_line_1 can handle (like "main.c:2", "*0x02020202", |
| 917 | * and "main"). |
| 918 | * |
| 919 | * Tcl Arguments: |
| 920 | * block - the address within which to specify the locals or args. |
| 921 | * Tcl Result: |
| 922 | * A list of the locals or args |
| 923 | */ |
| 924 | |
| 925 | static int |
| 926 | gdb_get_vars_command (clientData, interp, objc, objv) |
| 927 | ClientData clientData; |
| 928 | Tcl_Interp *interp; |
| 929 | int objc; |
| 930 | Tcl_Obj *CONST objv[]; |
| 931 | { |
| 932 | struct symtabs_and_lines sals; |
| 933 | struct symbol *sym; |
| 934 | struct block *block; |
| 935 | char **canonical, *args; |
| 936 | int i, nsyms, arguments; |
| 937 | |
| 938 | if (objc != 2) |
| 939 | { |
| 940 | Tcl_AppendStringsToObj (result_ptr->obj_ptr, |
| 941 | "wrong # of args: should be \"", |
| 942 | Tcl_GetStringFromObj (objv[0], NULL), |
| 943 | " function:line|function|line|*addr\"", NULL); |
| 944 | return TCL_ERROR; |
| 945 | } |
| 946 | |
| 947 | arguments = (int) clientData; |
| 948 | args = Tcl_GetStringFromObj (objv[1], NULL); |
| 949 | sals = decode_line_1 (&args, 1, NULL, 0, &canonical); |
| 950 | if (sals.nelts == 0) |
| 951 | { |
| 952 | Tcl_SetStringObj (result_ptr->obj_ptr, |
| 953 | "error decoding line", -1); |
| 954 | return TCL_ERROR; |
| 955 | } |
| 956 | |
| 957 | /* Initialize the result pointer to an empty list. */ |
| 958 | |
| 959 | Tcl_SetListObj (result_ptr->obj_ptr, 0, NULL); |
| 960 | |
| 961 | /* Resolve all line numbers to PC's */ |
| 962 | for (i = 0; i < sals.nelts; i++) |
| 963 | resolve_sal_pc (&sals.sals[i]); |
| 964 | |
| 965 | block = block_for_pc (sals.sals[0].pc); |
| 966 | while (block != 0) |
| 967 | { |
| 968 | nsyms = BLOCK_NSYMS (block); |
| 969 | for (i = 0; i < nsyms; i++) |
| 970 | { |
| 971 | sym = BLOCK_SYM (block, i); |
| 972 | switch (SYMBOL_CLASS (sym)) { |
| 973 | default: |
| 974 | case LOC_UNDEF: /* catches errors */ |
| 975 | case LOC_CONST: /* constant */ |
| 976 | case LOC_TYPEDEF: /* local typedef */ |
| 977 | case LOC_LABEL: /* local label */ |
| 978 | case LOC_BLOCK: /* local function */ |
| 979 | case LOC_CONST_BYTES: /* loc. byte seq. */ |
| 980 | case LOC_UNRESOLVED: /* unresolved static */ |
| 981 | case LOC_OPTIMIZED_OUT: /* optimized out */ |
| 982 | break; |
| 983 | case LOC_ARG: /* argument */ |
| 984 | case LOC_REF_ARG: /* reference arg */ |
| 985 | case LOC_REGPARM: /* register arg */ |
| 986 | case LOC_REGPARM_ADDR: /* indirect register arg */ |
| 987 | case LOC_LOCAL_ARG: /* stack arg */ |
| 988 | case LOC_BASEREG_ARG: /* basereg arg */ |
| 989 | if (arguments) |
| 990 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, |
| 991 | Tcl_NewStringObj (SYMBOL_NAME (sym), -1)); |
| 992 | break; |
| 993 | case LOC_LOCAL: /* stack local */ |
| 994 | case LOC_BASEREG: /* basereg local */ |
| 995 | case LOC_STATIC: /* static */ |
| 996 | case LOC_REGISTER: /* register */ |
| 997 | if (!arguments) |
| 998 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, |
| 999 | Tcl_NewStringObj (SYMBOL_NAME (sym), -1)); |
| 1000 | break; |
| 1001 | } |
| 1002 | } |
| 1003 | if (BLOCK_FUNCTION (block)) |
| 1004 | break; |
| 1005 | else |
| 1006 | block = BLOCK_SUPERBLOCK (block); |
| 1007 | } |
| 1008 | |
| 1009 | return TCL_OK; |
| 1010 | } |
| 1011 | |
| 1012 | /* This implements the tcl command "gdb_get_line" |
| 1013 | * |
| 1014 | * It returns the linenumber for a given linespec. It will take any spec |
| 1015 | * that can be passed to decode_line_1 |
| 1016 | * |
| 1017 | * Tcl Arguments: |
| 1018 | * linespec - the line specification |
| 1019 | * Tcl Result: |
| 1020 | * The line number for that spec. |
| 1021 | */ |
| 1022 | static int |
| 1023 | gdb_get_line_command (clientData, interp, objc, objv) |
| 1024 | ClientData clientData; |
| 1025 | Tcl_Interp *interp; |
| 1026 | int objc; |
| 1027 | Tcl_Obj *CONST objv[]; |
| 1028 | { |
| 1029 | struct symtabs_and_lines sals; |
| 1030 | char *args, **canonical; |
| 1031 | |
| 1032 | if (objc != 2) |
| 1033 | { |
| 1034 | Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # of args: should be \"", |
| 1035 | Tcl_GetStringFromObj (objv[0], NULL), |
| 1036 | " linespec\"", NULL); |
| 1037 | return TCL_ERROR; |
| 1038 | } |
| 1039 | |
| 1040 | args = Tcl_GetStringFromObj (objv[1], NULL); |
| 1041 | sals = decode_line_1 (&args, 1, NULL, 0, &canonical); |
| 1042 | if (sals.nelts == 1) |
| 1043 | { |
| 1044 | Tcl_SetIntObj (result_ptr->obj_ptr, sals.sals[0].line); |
| 1045 | return TCL_OK; |
| 1046 | } |
| 1047 | |
| 1048 | Tcl_SetStringObj (result_ptr->obj_ptr, "N/A", -1); |
| 1049 | return TCL_OK; |
| 1050 | |
| 1051 | } |
| 1052 | |
| 1053 | /* This implements the tcl command "gdb_get_file" |
| 1054 | * |
| 1055 | * It returns the file containing a given line spec. |
| 1056 | * |
| 1057 | * Tcl Arguments: |
| 1058 | * linespec - The linespec to look up |
| 1059 | * Tcl Result: |
| 1060 | * The file containing it. |
| 1061 | */ |
| 1062 | |
| 1063 | static int |
| 1064 | gdb_get_file_command (clientData, interp, objc, objv) |
| 1065 | ClientData clientData; |
| 1066 | Tcl_Interp *interp; |
| 1067 | int objc; |
| 1068 | Tcl_Obj *CONST objv[]; |
| 1069 | { |
| 1070 | struct symtabs_and_lines sals; |
| 1071 | char *args, **canonical; |
| 1072 | |
| 1073 | if (objc != 2) |
| 1074 | { |
| 1075 | Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # of args: should be \"", |
| 1076 | Tcl_GetStringFromObj (objv[0], NULL), |
| 1077 | " linespec\"", NULL); |
| 1078 | return TCL_ERROR; |
| 1079 | } |
| 1080 | |
| 1081 | args = Tcl_GetStringFromObj (objv[1], NULL); |
| 1082 | sals = decode_line_1 (&args, 1, NULL, 0, &canonical); |
| 1083 | if (sals.nelts == 1) |
| 1084 | { |
| 1085 | Tcl_SetStringObj (result_ptr->obj_ptr, sals.sals[0].symtab->filename, -1); |
| 1086 | return TCL_OK; |
| 1087 | } |
| 1088 | |
| 1089 | Tcl_SetStringObj (result_ptr->obj_ptr, "N/A", -1); |
| 1090 | return TCL_OK; |
| 1091 | } |
| 1092 | |
| 1093 | /* This implements the tcl command "gdb_get_function" |
| 1094 | * |
| 1095 | * It finds the function containing the given line spec. |
| 1096 | * |
| 1097 | * Tcl Arguments: |
| 1098 | * linespec - The line specification |
| 1099 | * Tcl Result: |
| 1100 | * The function that contains it, or "N/A" if it is not in a function. |
| 1101 | */ |
| 1102 | static int |
| 1103 | gdb_get_function_command (clientData, interp, objc, objv) |
| 1104 | ClientData clientData; |
| 1105 | Tcl_Interp *interp; |
| 1106 | int objc; |
| 1107 | Tcl_Obj *CONST objv[]; |
| 1108 | { |
| 1109 | char *function; |
| 1110 | struct symtabs_and_lines sals; |
| 1111 | char *args, **canonical; |
| 1112 | |
| 1113 | if (objc != 2) |
| 1114 | { |
| 1115 | Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # of args: should be \"", |
| 1116 | Tcl_GetStringFromObj (objv[0], NULL), |
| 1117 | " linespec\"", NULL); |
| 1118 | return TCL_ERROR; |
| 1119 | } |
| 1120 | |
| 1121 | args = Tcl_GetStringFromObj (objv[1], NULL); |
| 1122 | sals = decode_line_1 (&args, 1, NULL, 0, &canonical); |
| 1123 | if (sals.nelts == 1) |
| 1124 | { |
| 1125 | resolve_sal_pc (&sals.sals[0]); |
| 1126 | find_pc_partial_function (sals.sals[0].pc, &function, NULL, NULL); |
| 1127 | if (function != NULL) |
| 1128 | { |
| 1129 | Tcl_SetStringObj (result_ptr->obj_ptr, function, -1); |
| 1130 | return TCL_OK; |
| 1131 | } |
| 1132 | } |
| 1133 | |
| 1134 | Tcl_SetStringObj (result_ptr->obj_ptr, "N/A", -1); |
| 1135 | return TCL_OK; |
| 1136 | } |
| 1137 | |
| 1138 | /* This implements the tcl command "gdb_find_file" |
| 1139 | * |
| 1140 | * It searches the symbol tables to get the full pathname to a file. |
| 1141 | * |
| 1142 | * Tcl Arguments: |
| 1143 | * filename: the file name to search for. |
| 1144 | * Tcl Result: |
| 1145 | * The full path to the file, or an empty string if the file is not |
| 1146 | * found. |
| 1147 | */ |
| 1148 | |
| 1149 | static int |
| 1150 | gdb_find_file_command (clientData, interp, objc, objv) |
| 1151 | ClientData clientData; |
| 1152 | Tcl_Interp *interp; |
| 1153 | int objc; |
| 1154 | Tcl_Obj *CONST objv[]; |
| 1155 | { |
| 1156 | char *filename = NULL; |
| 1157 | struct symtab *st; |
| 1158 | |
| 1159 | if (objc != 2) |
| 1160 | { |
| 1161 | Tcl_WrongNumArgs(interp, 1, objv, "filename"); |
| 1162 | return TCL_ERROR; |
| 1163 | } |
| 1164 | |
| 1165 | st = full_lookup_symtab (Tcl_GetStringFromObj (objv[1], NULL)); |
| 1166 | if (st) |
| 1167 | filename = st->fullname; |
| 1168 | |
| 1169 | if (filename == NULL) |
| 1170 | Tcl_SetStringObj (result_ptr->obj_ptr, "", 0); |
| 1171 | else |
| 1172 | Tcl_SetStringObj (result_ptr->obj_ptr, filename, -1); |
| 1173 | |
| 1174 | return TCL_OK; |
| 1175 | } |
| 1176 | |
| 1177 | /* This implements the tcl command "gdb_listfiles" |
| 1178 | * |
| 1179 | * This lists all the files in the current executible. |
| 1180 | * |
| 1181 | * Note that this currently pulls in all sorts of filenames |
| 1182 | * that aren't really part of the executable. It would be |
| 1183 | * best if we could check each file to see if it actually |
| 1184 | * contains executable lines of code, but we can't do that |
| 1185 | * with psymtabs. |
| 1186 | * |
| 1187 | * Arguments: |
| 1188 | * ?pathname? - If provided, only files which match pathname |
| 1189 | * (up to strlen(pathname)) are included. THIS DOES NOT |
| 1190 | * CURRENTLY WORK BECAUSE PARTIAL_SYMTABS DON'T SUPPLY |
| 1191 | * THE FULL PATHNAME!!! |
| 1192 | * |
| 1193 | * Tcl Result: |
| 1194 | * A list of all matching files. |
| 1195 | */ |
| 1196 | static int |
| 1197 | gdb_listfiles (clientData, interp, objc, objv) |
| 1198 | ClientData clientData; |
| 1199 | Tcl_Interp *interp; |
| 1200 | int objc; |
| 1201 | Tcl_Obj *CONST objv[]; |
| 1202 | { |
| 1203 | struct objfile *objfile; |
| 1204 | struct partial_symtab *psymtab; |
| 1205 | struct symtab *symtab; |
| 1206 | char *lastfile, *pathname=NULL, **files; |
| 1207 | int files_size; |
| 1208 | int i, numfiles = 0, len = 0; |
| 1209 | |
| 1210 | files_size = 1000; |
| 1211 | files = (char **) xmalloc (sizeof (char *) * files_size); |
| 1212 | |
| 1213 | if (objc > 2) |
| 1214 | { |
| 1215 | Tcl_WrongNumArgs (interp, 1, objv, "Usage: gdb_listfiles ?pathname?"); |
| 1216 | return TCL_ERROR; |
| 1217 | } |
| 1218 | else if (objc == 2) |
| 1219 | pathname = Tcl_GetStringFromObj (objv[1], &len); |
| 1220 | |
| 1221 | ALL_PSYMTABS (objfile, psymtab) |
| 1222 | { |
| 1223 | if (numfiles == files_size) |
| 1224 | { |
| 1225 | files_size = files_size * 2; |
| 1226 | files = (char **) xrealloc (files, sizeof (char *) * files_size); |
| 1227 | } |
| 1228 | if (psymtab->filename) |
| 1229 | { |
| 1230 | if (!len || !strncmp(pathname, psymtab->filename,len) |
| 1231 | || !strcmp(psymtab->filename, basename(psymtab->filename))) |
| 1232 | { |
| 1233 | files[numfiles++] = basename(psymtab->filename); |
| 1234 | } |
| 1235 | } |
| 1236 | } |
| 1237 | |
| 1238 | ALL_SYMTABS (objfile, symtab) |
| 1239 | { |
| 1240 | if (numfiles == files_size) |
| 1241 | { |
| 1242 | files_size = files_size * 2; |
| 1243 | files = (char **) xrealloc (files, sizeof (char *) * files_size); |
| 1244 | } |
| 1245 | if (symtab->filename && symtab->linetable && symtab->linetable->nitems) |
| 1246 | { |
| 1247 | if (!len || !strncmp(pathname, symtab->filename,len) |
| 1248 | || !strcmp(symtab->filename, basename(symtab->filename))) |
| 1249 | { |
| 1250 | files[numfiles++] = basename(symtab->filename); |
| 1251 | } |
| 1252 | } |
| 1253 | } |
| 1254 | |
| 1255 | qsort (files, numfiles, sizeof(char *), comp_files); |
| 1256 | |
| 1257 | lastfile = ""; |
| 1258 | |
| 1259 | /* Discard the old result pointer, in case it has accumulated anything |
| 1260 | and set it to a new list object */ |
| 1261 | |
| 1262 | Tcl_SetListObj(result_ptr->obj_ptr, 0, NULL); |
| 1263 | |
| 1264 | for (i = 0; i < numfiles; i++) |
| 1265 | { |
| 1266 | if (strcmp(files[i],lastfile)) |
| 1267 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewStringObj(files[i], -1)); |
| 1268 | lastfile = files[i]; |
| 1269 | } |
| 1270 | |
| 1271 | free (files); |
| 1272 | return TCL_OK; |
| 1273 | } |
| 1274 | |
| 1275 | static int |
| 1276 | comp_files (file1, file2) |
| 1277 | const void *file1, *file2; |
| 1278 | { |
| 1279 | return strcmp(* (char **) file1, * (char **) file2); |
| 1280 | } |
| 1281 | |
| 1282 | |
| 1283 | /* This implements the tcl command "gdb_search" |
| 1284 | * |
| 1285 | * |
| 1286 | * Tcl Arguments: |
| 1287 | * option - One of "functions", "variables" or "types" |
| 1288 | * regexp - The regular expression to look for. |
| 1289 | * Then, optionally: |
| 1290 | * -files fileList |
| 1291 | * -static 1/0 |
| 1292 | * Tcl Result: |
| 1293 | * |
| 1294 | */ |
| 1295 | |
| 1296 | static int |
| 1297 | gdb_search (clientData, interp, objc, objv) |
| 1298 | ClientData clientData; |
| 1299 | Tcl_Interp *interp; |
| 1300 | int objc; |
| 1301 | Tcl_Obj *CONST objv[]; |
| 1302 | { |
| 1303 | struct symbol_search *ss = NULL; |
| 1304 | struct symbol_search *p; |
| 1305 | struct cleanup *old_chain = NULL; |
| 1306 | Tcl_Obj *CONST *switch_objv; |
| 1307 | int index, switch_objc, i; |
| 1308 | namespace_enum space = 0; |
| 1309 | char *regexp; |
| 1310 | int static_only, nfiles; |
| 1311 | Tcl_Obj **file_list; |
| 1312 | char **files; |
| 1313 | static char *search_options[] = { "functions", "variables", "types", (char *) NULL }; |
| 1314 | static char *switches[] = { "-files", "-static", (char *) NULL }; |
| 1315 | enum search_opts { SEARCH_FUNCTIONS, SEARCH_VARIABLES, SEARCH_TYPES }; |
| 1316 | enum switches_opts { SWITCH_FILES, SWITCH_STATIC_ONLY }; |
| 1317 | |
| 1318 | if (objc < 3) |
| 1319 | { |
| 1320 | Tcl_WrongNumArgs (interp, 1, objv, "option regexp ?arg ...?"); |
| 1321 | result_ptr->flags |= GDBTK_IN_TCL_RESULT; |
| 1322 | return TCL_ERROR; |
| 1323 | } |
| 1324 | |
| 1325 | if (Tcl_GetIndexFromObj (interp, objv[1], search_options, "option", 0, |
| 1326 | &index) != TCL_OK) |
| 1327 | { |
| 1328 | result_ptr->flags |= GDBTK_IN_TCL_RESULT; |
| 1329 | return TCL_ERROR; |
| 1330 | } |
| 1331 | |
| 1332 | /* Unfortunately, we cannot teach search_symbols to search on |
| 1333 | multiple regexps, so we have to do a two-tier search for |
| 1334 | any searches which choose to narrow the playing field. */ |
| 1335 | switch ((enum search_opts) index) |
| 1336 | { |
| 1337 | case SEARCH_FUNCTIONS: |
| 1338 | space = FUNCTIONS_NAMESPACE; break; |
| 1339 | case SEARCH_VARIABLES: |
| 1340 | space = VARIABLES_NAMESPACE; break; |
| 1341 | case SEARCH_TYPES: |
| 1342 | space = TYPES_NAMESPACE; break; |
| 1343 | } |
| 1344 | |
| 1345 | regexp = Tcl_GetStringFromObj (objv[2], NULL); |
| 1346 | /* Process any switches that refine the search */ |
| 1347 | switch_objc = objc - 3; |
| 1348 | switch_objv = objv + 3; |
| 1349 | |
| 1350 | static_only = 0; |
| 1351 | nfiles = 0; |
| 1352 | files = (char **) NULL; |
| 1353 | while (switch_objc > 0) |
| 1354 | { |
| 1355 | if (Tcl_GetIndexFromObj (interp, switch_objv[0], switches, |
| 1356 | "option", 0, &index) != TCL_OK) |
| 1357 | { |
| 1358 | result_ptr->flags |= GDBTK_IN_TCL_RESULT; |
| 1359 | return TCL_ERROR; |
| 1360 | } |
| 1361 | |
| 1362 | switch ((enum switches_opts) index) |
| 1363 | { |
| 1364 | case SWITCH_FILES: |
| 1365 | { |
| 1366 | int result; |
| 1367 | if (switch_objc < 2) |
| 1368 | { |
| 1369 | Tcl_WrongNumArgs (interp, 2, objv, "[-files fileList -static 1|0]"); |
| 1370 | result_ptr->flags |= GDBTK_IN_TCL_RESULT; |
| 1371 | return TCL_ERROR; |
| 1372 | } |
| 1373 | result = Tcl_ListObjGetElements (interp, switch_objv[1], &nfiles, &file_list); |
| 1374 | if (result != TCL_OK) |
| 1375 | return result; |
| 1376 | |
| 1377 | files = (char **) xmalloc (nfiles * sizeof (char *)); |
| 1378 | for (i = 0; i < nfiles; i++) |
| 1379 | files[i] = Tcl_GetStringFromObj (file_list[i], NULL); |
| 1380 | switch_objc--; |
| 1381 | switch_objv++; |
| 1382 | } |
| 1383 | break; |
| 1384 | case SWITCH_STATIC_ONLY: |
| 1385 | if (switch_objc < 2) |
| 1386 | { |
| 1387 | Tcl_WrongNumArgs (interp, 2, objv, "[-files fileList] [-static 1|0]"); |
| 1388 | result_ptr->flags |= GDBTK_IN_TCL_RESULT; |
| 1389 | return TCL_ERROR; |
| 1390 | } |
| 1391 | if ( Tcl_GetBooleanFromObj (interp, switch_objv[1], &static_only) != |
| 1392 | TCL_OK) { |
| 1393 | result_ptr->flags |= GDBTK_IN_TCL_RESULT; |
| 1394 | return TCL_ERROR; |
| 1395 | } |
| 1396 | switch_objc--; |
| 1397 | switch_objv++; |
| 1398 | } |
| 1399 | switch_objc--; |
| 1400 | switch_objv++; |
| 1401 | } |
| 1402 | |
| 1403 | search_symbols (regexp, space, nfiles, files, &ss); |
| 1404 | if (ss != NULL) |
| 1405 | old_chain = make_cleanup ((make_cleanup_func) free_search_symbols, ss); |
| 1406 | |
| 1407 | Tcl_SetListObj(result_ptr->obj_ptr, 0, NULL); |
| 1408 | |
| 1409 | for (p = ss; p != NULL; p = p->next) |
| 1410 | { |
| 1411 | Tcl_Obj *elem; |
| 1412 | |
| 1413 | if (static_only && p->block != STATIC_BLOCK) |
| 1414 | continue; |
| 1415 | |
| 1416 | /* Strip off some C++ special symbols, like RTTI and global |
| 1417 | constructors/destructors. */ |
| 1418 | if ((p->symbol != NULL && !STREQN (SYMBOL_NAME (p->symbol), "__tf", 4) |
| 1419 | && !STREQN (SYMBOL_NAME (p->symbol), "_GLOBAL_", 8)) |
| 1420 | || p->msymbol != NULL) |
| 1421 | { |
| 1422 | elem = Tcl_NewListObj (0, NULL); |
| 1423 | |
| 1424 | if (p->msymbol == NULL) |
| 1425 | Tcl_ListObjAppendElement (interp, elem, |
| 1426 | Tcl_NewStringObj (SYMBOL_SOURCE_NAME (p->symbol), -1)); |
| 1427 | else |
| 1428 | Tcl_ListObjAppendElement (interp, elem, |
| 1429 | Tcl_NewStringObj (SYMBOL_SOURCE_NAME (p->msymbol), -1)); |
| 1430 | |
| 1431 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, elem); |
| 1432 | } |
| 1433 | } |
| 1434 | |
| 1435 | if (ss != NULL) |
| 1436 | do_cleanups (old_chain); |
| 1437 | |
| 1438 | return TCL_OK; |
| 1439 | } |
| 1440 | |
| 1441 | /* This implements the tcl command gdb_listfuncs |
| 1442 | * |
| 1443 | * It lists all the functions defined in a given file |
| 1444 | * |
| 1445 | * Arguments: |
| 1446 | * file - the file to look in |
| 1447 | * Tcl Result: |
| 1448 | * A list of two element lists, the first element is |
| 1449 | * the symbol name, and the second is a boolean indicating |
| 1450 | * whether the symbol is demangled (1 for yes). |
| 1451 | */ |
| 1452 | |
| 1453 | static int |
| 1454 | gdb_listfuncs (clientData, interp, objc, objv) |
| 1455 | ClientData clientData; |
| 1456 | Tcl_Interp *interp; |
| 1457 | int objc; |
| 1458 | Tcl_Obj *CONST objv[]; |
| 1459 | { |
| 1460 | struct symtab *symtab; |
| 1461 | struct blockvector *bv; |
| 1462 | struct block *b; |
| 1463 | struct symbol *sym; |
| 1464 | int i,j; |
| 1465 | Tcl_Obj *funcVals[2]; |
| 1466 | |
| 1467 | if (objc != 2) |
| 1468 | { |
| 1469 | Tcl_SetStringObj (result_ptr->obj_ptr, "wrong # args", -1); |
| 1470 | } |
| 1471 | |
| 1472 | symtab = full_lookup_symtab (Tcl_GetStringFromObj (objv[1], NULL)); |
| 1473 | if (!symtab) |
| 1474 | { |
| 1475 | Tcl_SetStringObj (result_ptr->obj_ptr, "No such file", -1); |
| 1476 | return TCL_ERROR; |
| 1477 | } |
| 1478 | |
| 1479 | if (mangled == NULL) |
| 1480 | { |
| 1481 | mangled = Tcl_NewBooleanObj(1); |
| 1482 | not_mangled = Tcl_NewBooleanObj(0); |
| 1483 | Tcl_IncrRefCount(mangled); |
| 1484 | Tcl_IncrRefCount(not_mangled); |
| 1485 | } |
| 1486 | |
| 1487 | Tcl_SetListObj (result_ptr->obj_ptr, 0, NULL); |
| 1488 | |
| 1489 | bv = BLOCKVECTOR (symtab); |
| 1490 | for (i = GLOBAL_BLOCK; i <= STATIC_BLOCK; i++) |
| 1491 | { |
| 1492 | b = BLOCKVECTOR_BLOCK (bv, i); |
| 1493 | /* Skip the sort if this block is always sorted. */ |
| 1494 | if (!BLOCK_SHOULD_SORT (b)) |
| 1495 | sort_block_syms (b); |
| 1496 | for (j = 0; j < BLOCK_NSYMS (b); j++) |
| 1497 | { |
| 1498 | sym = BLOCK_SYM (b, j); |
| 1499 | if (SYMBOL_CLASS (sym) == LOC_BLOCK) |
| 1500 | { |
| 1501 | |
| 1502 | char *name = cplus_demangle (SYMBOL_NAME(sym), 0); |
| 1503 | if (name) |
| 1504 | { |
| 1505 | /* strip out "global constructors" and "global destructors" */ |
| 1506 | /* because we aren't interested in them. */ |
| 1507 | if (strncmp (name, "global ", 7)) |
| 1508 | { |
| 1509 | funcVals[0] = Tcl_NewStringObj(name, -1); |
| 1510 | funcVals[1] = mangled; |
| 1511 | } |
| 1512 | else |
| 1513 | continue; |
| 1514 | |
| 1515 | } |
| 1516 | else |
| 1517 | { |
| 1518 | funcVals[0] = Tcl_NewStringObj(SYMBOL_NAME(sym), -1); |
| 1519 | funcVals[1] = not_mangled; |
| 1520 | } |
| 1521 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, |
| 1522 | Tcl_NewListObj (2, funcVals)); |
| 1523 | } |
| 1524 | } |
| 1525 | } |
| 1526 | return TCL_OK; |
| 1527 | } |
| 1528 | |
| 1529 | \f |
| 1530 | /* |
| 1531 | * This section contains all the commands that act on the registers: |
| 1532 | */ |
| 1533 | |
| 1534 | /* This is a sort of mapcar function for operations on registers */ |
| 1535 | |
| 1536 | static int |
| 1537 | map_arg_registers (objc, objv, func, argp) |
| 1538 | int objc; |
| 1539 | Tcl_Obj *CONST objv[]; |
| 1540 | void (*func) PARAMS ((int regnum, void *argp)); |
| 1541 | void *argp; |
| 1542 | { |
| 1543 | int regnum; |
| 1544 | |
| 1545 | /* Note that the test for a valid register must include checking the |
| 1546 | REGISTER_NAME because NUM_REGS may be allocated for the union of |
| 1547 | the register sets within a family of related processors. In this |
| 1548 | case, some entries of REGISTER_NAME will change depending upon |
| 1549 | the particular processor being debugged. */ |
| 1550 | |
| 1551 | if (objc == 0) /* No args, just do all the regs */ |
| 1552 | { |
| 1553 | for (regnum = 0; |
| 1554 | regnum < NUM_REGS |
| 1555 | && REGISTER_NAME (regnum) != NULL |
| 1556 | && *REGISTER_NAME (regnum) != '\000'; |
| 1557 | regnum++) |
| 1558 | func (regnum, argp); |
| 1559 | |
| 1560 | return TCL_OK; |
| 1561 | } |
| 1562 | |
| 1563 | /* Else, list of register #s, just do listed regs */ |
| 1564 | for (; objc > 0; objc--, objv++) |
| 1565 | { |
| 1566 | if (Tcl_GetIntFromObj (NULL, *objv, ®num) != TCL_OK) |
| 1567 | { |
| 1568 | result_ptr->flags |= GDBTK_IN_TCL_RESULT; |
| 1569 | return TCL_ERROR; |
| 1570 | } |
| 1571 | |
| 1572 | if (regnum >= 0 |
| 1573 | && regnum < NUM_REGS |
| 1574 | && REGISTER_NAME (regnum) != NULL |
| 1575 | && *REGISTER_NAME (regnum) != '\000') |
| 1576 | func (regnum, argp); |
| 1577 | else |
| 1578 | { |
| 1579 | Tcl_SetStringObj (result_ptr->obj_ptr, "bad register number", -1); |
| 1580 | return TCL_ERROR; |
| 1581 | } |
| 1582 | } |
| 1583 | |
| 1584 | return TCL_OK; |
| 1585 | } |
| 1586 | |
| 1587 | /* This implements the TCL command `gdb_regnames', which returns a list of |
| 1588 | all of the register names. */ |
| 1589 | |
| 1590 | static int |
| 1591 | gdb_regnames (clientData, interp, objc, objv) |
| 1592 | ClientData clientData; |
| 1593 | Tcl_Interp *interp; |
| 1594 | int objc; |
| 1595 | Tcl_Obj *CONST objv[]; |
| 1596 | { |
| 1597 | objc--; |
| 1598 | objv++; |
| 1599 | |
| 1600 | return map_arg_registers (objc, objv, get_register_name, NULL); |
| 1601 | } |
| 1602 | |
| 1603 | static void |
| 1604 | get_register_name (regnum, argp) |
| 1605 | int regnum; |
| 1606 | void *argp; /* Ignored */ |
| 1607 | { |
| 1608 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, |
| 1609 | Tcl_NewStringObj (REGISTER_NAME (regnum), -1)); |
| 1610 | } |
| 1611 | |
| 1612 | /* This implements the tcl command gdb_fetch_registers |
| 1613 | * Pass it a list of register names, and it will |
| 1614 | * return their values as a list. |
| 1615 | * |
| 1616 | * Tcl Arguments: |
| 1617 | * format: The format string for printing the values |
| 1618 | * args: the registers to look for |
| 1619 | * Tcl Result: |
| 1620 | * A list of their values. |
| 1621 | */ |
| 1622 | |
| 1623 | static int |
| 1624 | gdb_fetch_registers (clientData, interp, objc, objv) |
| 1625 | ClientData clientData; |
| 1626 | Tcl_Interp *interp; |
| 1627 | int objc; |
| 1628 | Tcl_Obj *CONST objv[]; |
| 1629 | { |
| 1630 | int format, result; |
| 1631 | |
| 1632 | if (objc < 2) |
| 1633 | { |
| 1634 | Tcl_SetStringObj (result_ptr->obj_ptr, |
| 1635 | "wrong # args, should be gdb_fetch_registers format ?register1 register2 ...?", -1); |
| 1636 | } |
| 1637 | objc -= 2; |
| 1638 | objv++; |
| 1639 | format = *(Tcl_GetStringFromObj(objv[0], NULL)); |
| 1640 | objv++; |
| 1641 | |
| 1642 | |
| 1643 | result_ptr->flags |= GDBTK_MAKES_LIST; /* Output the results as a list */ |
| 1644 | result = map_arg_registers (objc, objv, get_register, (void *) format); |
| 1645 | result_ptr->flags &= ~GDBTK_MAKES_LIST; |
| 1646 | |
| 1647 | return result; |
| 1648 | } |
| 1649 | |
| 1650 | static void |
| 1651 | get_register (regnum, fp) |
| 1652 | int regnum; |
| 1653 | void *fp; |
| 1654 | { |
| 1655 | char raw_buffer[MAX_REGISTER_RAW_SIZE]; |
| 1656 | char virtual_buffer[MAX_REGISTER_VIRTUAL_SIZE]; |
| 1657 | int format = (int)fp; |
| 1658 | int optim; |
| 1659 | |
| 1660 | if (format == 'N') |
| 1661 | format = 0; |
| 1662 | |
| 1663 | /* read_relative_register_raw_bytes returns a virtual frame pointer |
| 1664 | (FRAME_FP (selected_frame)) if regnum == FP_REGNUM instead |
| 1665 | of the real contents of the register. To get around this, |
| 1666 | use get_saved_register instead. */ |
| 1667 | get_saved_register (raw_buffer, &optim, (CORE_ADDR *) NULL, selected_frame, |
| 1668 | regnum, (enum lval_type *) NULL); |
| 1669 | if (optim) |
| 1670 | { |
| 1671 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, |
| 1672 | Tcl_NewStringObj ("Optimized out", -1)); |
| 1673 | return; |
| 1674 | } |
| 1675 | |
| 1676 | /* Convert raw data to virtual format if necessary. */ |
| 1677 | |
| 1678 | if (REGISTER_CONVERTIBLE (regnum)) |
| 1679 | { |
| 1680 | REGISTER_CONVERT_TO_VIRTUAL (regnum, REGISTER_VIRTUAL_TYPE (regnum), |
| 1681 | raw_buffer, virtual_buffer); |
| 1682 | } |
| 1683 | else |
| 1684 | memcpy (virtual_buffer, raw_buffer, REGISTER_VIRTUAL_SIZE (regnum)); |
| 1685 | |
| 1686 | if (format == 'r') |
| 1687 | { |
| 1688 | int j; |
| 1689 | printf_filtered ("0x"); |
| 1690 | for (j = 0; j < REGISTER_RAW_SIZE (regnum); j++) |
| 1691 | { |
| 1692 | register int idx = TARGET_BYTE_ORDER == BIG_ENDIAN ? j |
| 1693 | : REGISTER_RAW_SIZE (regnum) - 1 - j; |
| 1694 | printf_filtered ("%02x", (unsigned char)raw_buffer[idx]); |
| 1695 | } |
| 1696 | } |
| 1697 | else |
| 1698 | val_print (REGISTER_VIRTUAL_TYPE (regnum), virtual_buffer, 0, 0, |
| 1699 | gdb_stdout, format, 1, 0, Val_pretty_default); |
| 1700 | |
| 1701 | } |
| 1702 | |
| 1703 | /* This implements the tcl command get_pc_reg |
| 1704 | * It returns the value of the PC register |
| 1705 | * |
| 1706 | * Tcl Arguments: |
| 1707 | * None |
| 1708 | * Tcl Result: |
| 1709 | * The value of the pc register. |
| 1710 | */ |
| 1711 | |
| 1712 | static int |
| 1713 | get_pc_register (clientData, interp, objc, objv) |
| 1714 | ClientData clientData; |
| 1715 | Tcl_Interp *interp; |
| 1716 | int objc; |
| 1717 | Tcl_Obj *CONST objv[]; |
| 1718 | { |
| 1719 | char buff[64]; |
| 1720 | |
| 1721 | sprintf (buff, "0x%llx",(long long) read_register (PC_REGNUM)); |
| 1722 | Tcl_SetStringObj(result_ptr->obj_ptr, buff, -1); |
| 1723 | return TCL_OK; |
| 1724 | } |
| 1725 | |
| 1726 | /* This implements the tcl command "gdb_changed_register_list" |
| 1727 | * It takes a list of registers, and returns a list of |
| 1728 | * the registers on that list that have changed since the last |
| 1729 | * time the proc was called. |
| 1730 | * |
| 1731 | * Tcl Arguments: |
| 1732 | * A list of registers. |
| 1733 | * Tcl Result: |
| 1734 | * A list of changed registers. |
| 1735 | */ |
| 1736 | |
| 1737 | static int |
| 1738 | gdb_changed_register_list (clientData, interp, objc, objv) |
| 1739 | ClientData clientData; |
| 1740 | Tcl_Interp *interp; |
| 1741 | int objc; |
| 1742 | Tcl_Obj *CONST objv[]; |
| 1743 | { |
| 1744 | objc--; |
| 1745 | objv++; |
| 1746 | |
| 1747 | return map_arg_registers (objc, objv, register_changed_p, NULL); |
| 1748 | } |
| 1749 | |
| 1750 | static void |
| 1751 | register_changed_p (regnum, argp) |
| 1752 | int regnum; |
| 1753 | void *argp; /* Ignored */ |
| 1754 | { |
| 1755 | char raw_buffer[MAX_REGISTER_RAW_SIZE]; |
| 1756 | |
| 1757 | if (read_relative_register_raw_bytes (regnum, raw_buffer)) |
| 1758 | return; |
| 1759 | |
| 1760 | if (memcmp (&old_regs[REGISTER_BYTE (regnum)], raw_buffer, |
| 1761 | REGISTER_RAW_SIZE (regnum)) == 0) |
| 1762 | return; |
| 1763 | |
| 1764 | /* Found a changed register. Save new value and return its number. */ |
| 1765 | |
| 1766 | memcpy (&old_regs[REGISTER_BYTE (regnum)], raw_buffer, |
| 1767 | REGISTER_RAW_SIZE (regnum)); |
| 1768 | |
| 1769 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj(regnum)); |
| 1770 | } |
| 1771 | \f |
| 1772 | /* |
| 1773 | * This section contains the commands that deal with tracepoints: |
| 1774 | */ |
| 1775 | |
| 1776 | /* return a list of all tracepoint numbers in interpreter */ |
| 1777 | static int |
| 1778 | gdb_get_tracepoint_list (clientData, interp, objc, objv) |
| 1779 | ClientData clientData; |
| 1780 | Tcl_Interp *interp; |
| 1781 | int objc; |
| 1782 | Tcl_Obj *CONST objv[]; |
| 1783 | { |
| 1784 | struct tracepoint *tp; |
| 1785 | |
| 1786 | Tcl_SetListObj (result_ptr->obj_ptr, 0, NULL); |
| 1787 | |
| 1788 | ALL_TRACEPOINTS (tp) |
| 1789 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->number)); |
| 1790 | |
| 1791 | return TCL_OK; |
| 1792 | } |
| 1793 | |
| 1794 | /* returns -1 if not found, tracepoint # if found */ |
| 1795 | int |
| 1796 | tracepoint_exists (char * args) |
| 1797 | { |
| 1798 | struct tracepoint *tp; |
| 1799 | char **canonical; |
| 1800 | struct symtabs_and_lines sals; |
| 1801 | char *file = NULL; |
| 1802 | int result = -1; |
| 1803 | |
| 1804 | sals = decode_line_1 (&args, 1, NULL, 0, &canonical); |
| 1805 | if (sals.nelts == 1) |
| 1806 | { |
| 1807 | resolve_sal_pc (&sals.sals[0]); |
| 1808 | file = xmalloc (strlen (sals.sals[0].symtab->dirname) |
| 1809 | + strlen (sals.sals[0].symtab->filename) + 1); |
| 1810 | if (file != NULL) |
| 1811 | { |
| 1812 | strcpy (file, sals.sals[0].symtab->dirname); |
| 1813 | strcat (file, sals.sals[0].symtab->filename); |
| 1814 | |
| 1815 | ALL_TRACEPOINTS (tp) |
| 1816 | { |
| 1817 | if (tp->address == sals.sals[0].pc) |
| 1818 | result = tp->number; |
| 1819 | #if 0 |
| 1820 | /* Why is this here? This messes up assembly traces */ |
| 1821 | else if (tp->source_file != NULL |
| 1822 | && strcmp (tp->source_file, file) == 0 |
| 1823 | && sals.sals[0].line == tp->line_number) |
| 1824 | result = tp->number; |
| 1825 | #endif |
| 1826 | } |
| 1827 | } |
| 1828 | } |
| 1829 | if (file != NULL) |
| 1830 | free (file); |
| 1831 | return result; |
| 1832 | } |
| 1833 | |
| 1834 | static int |
| 1835 | gdb_tracepoint_exists_command (clientData, interp, objc, objv) |
| 1836 | ClientData clientData; |
| 1837 | Tcl_Interp *interp; |
| 1838 | int objc; |
| 1839 | Tcl_Obj *CONST objv[]; |
| 1840 | { |
| 1841 | char * args; |
| 1842 | |
| 1843 | if (objc != 2) |
| 1844 | { |
| 1845 | Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # of args: should be \"", |
| 1846 | Tcl_GetStringFromObj (objv[0], NULL), |
| 1847 | " function:line|function|line|*addr\"", NULL); |
| 1848 | return TCL_ERROR; |
| 1849 | } |
| 1850 | |
| 1851 | args = Tcl_GetStringFromObj (objv[1], NULL); |
| 1852 | |
| 1853 | Tcl_SetIntObj (result_ptr->obj_ptr, tracepoint_exists (args)); |
| 1854 | return TCL_OK; |
| 1855 | } |
| 1856 | |
| 1857 | static int |
| 1858 | gdb_get_tracepoint_info (clientData, interp, objc, objv) |
| 1859 | ClientData clientData; |
| 1860 | Tcl_Interp *interp; |
| 1861 | int objc; |
| 1862 | Tcl_Obj *CONST objv[]; |
| 1863 | { |
| 1864 | struct symtab_and_line sal; |
| 1865 | int tpnum; |
| 1866 | struct tracepoint *tp; |
| 1867 | struct action_line *al; |
| 1868 | Tcl_Obj *action_list; |
| 1869 | char *filename, *funcname, *fname; |
| 1870 | char tmp[19]; |
| 1871 | |
| 1872 | if (objc != 2) |
| 1873 | { |
| 1874 | Tcl_SetStringObj (result_ptr->obj_ptr, "wrong # args", -1); |
| 1875 | return TCL_ERROR; |
| 1876 | } |
| 1877 | |
| 1878 | if (Tcl_GetIntFromObj (NULL, objv[1], &tpnum) != TCL_OK) |
| 1879 | { |
| 1880 | result_ptr->flags |= GDBTK_IN_TCL_RESULT; |
| 1881 | return TCL_ERROR; |
| 1882 | } |
| 1883 | |
| 1884 | ALL_TRACEPOINTS (tp) |
| 1885 | if (tp->number == tpnum) |
| 1886 | break; |
| 1887 | |
| 1888 | if (tp == NULL) |
| 1889 | { |
| 1890 | char buff[64]; |
| 1891 | sprintf (buff, "Tracepoint #%d does not exist", tpnum); |
| 1892 | Tcl_SetStringObj (result_ptr->obj_ptr, buff, -1); |
| 1893 | return TCL_ERROR; |
| 1894 | } |
| 1895 | |
| 1896 | Tcl_SetListObj (result_ptr->obj_ptr, 0, NULL); |
| 1897 | sal = find_pc_line (tp->address, 0); |
| 1898 | filename = symtab_to_filename (sal.symtab); |
| 1899 | if (filename == NULL) |
| 1900 | filename = "N/A"; |
| 1901 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, |
| 1902 | Tcl_NewStringObj (filename, -1)); |
| 1903 | |
| 1904 | find_pc_partial_function (tp->address, &funcname, NULL, NULL); |
| 1905 | fname = cplus_demangle (funcname, 0); |
| 1906 | if (fname) |
| 1907 | { |
| 1908 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewStringObj |
| 1909 | (fname, -1)); |
| 1910 | free (fname); |
| 1911 | } |
| 1912 | else |
| 1913 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewStringObj |
| 1914 | (funcname, -1)); |
| 1915 | |
| 1916 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (sal.line)); |
| 1917 | sprintf (tmp, "0x%lx", tp->address); |
| 1918 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewStringObj (tmp, -1)); |
| 1919 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->enabled)); |
| 1920 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->pass_count)); |
| 1921 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->step_count)); |
| 1922 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->thread)); |
| 1923 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->hit_count)); |
| 1924 | |
| 1925 | /* Append a list of actions */ |
| 1926 | action_list = Tcl_NewObj (); |
| 1927 | for (al = tp->actions; al != NULL; al = al->next) |
| 1928 | { |
| 1929 | Tcl_ListObjAppendElement (interp, action_list, |
| 1930 | Tcl_NewStringObj (al->action, -1)); |
| 1931 | } |
| 1932 | Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, action_list); |
| 1933 | |
| 1934 | return TCL_OK; |
| 1935 | } |
| 1936 | |
| 1937 | |
| 1938 | static int |
| 1939 | gdb_trace_status (clientData, interp, objc, objv) |
| 1940 | ClientData clientData; |
| 1941 | Tcl_Interp *interp; |
| 1942 | int objc; |
| 1943 | Tcl_Obj *CONST objv[]; |
| 1944 | { |
| 1945 | int result = 0; |
| 1946 | |
| 1947 | if (trace_running_p) |
| 1948 | result = 1; |
| 1949 | |
| 1950 | Tcl_SetIntObj (result_ptr->obj_ptr, result); |
| 1951 | return TCL_OK; |
| 1952 | } |
| 1953 | |
| 1954 | |
| 1955 | |
| 1956 | static int |
| 1957 | gdb_get_trace_frame_num (clientData, interp, objc, objv) |
| 1958 | ClientData clientData; |
| 1959 | Tcl_Interp *interp; |
| 1960 | int objc; |
| 1961 | Tcl_Obj *CONST objv[]; |
| 1962 | { |
| 1963 | if (objc != 1) |
| 1964 | { |
| 1965 | Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # of args: should be \"", |
| 1966 | Tcl_GetStringFromObj (objv[0], NULL), |
| 1967 | " linespec\"", NULL); |
| 1968 | return TCL_ERROR; |
| 1969 | } |
| 1970 | |
| 1971 | Tcl_SetIntObj (result_ptr->obj_ptr, get_traceframe_number ()); |
| 1972 | return TCL_OK; |
| 1973 | |
| 1974 | } |
| 1975 | |
| 1976 | /* This implements the tcl command gdb_actions |
| 1977 | * It sets actions for a given tracepoint. |
| 1978 | * |
| 1979 | * Tcl Arguments: |
| 1980 | * number: the tracepoint in question |
| 1981 | * actions: the actions to add to this tracepoint |
| 1982 | * Tcl Result: |
| 1983 | * None. |
| 1984 | */ |
| 1985 | |
| 1986 | static int |
| 1987 | gdb_actions_command (clientData, interp, objc, objv) |
| 1988 | ClientData clientData; |
| 1989 | Tcl_Interp *interp; |
| 1990 | int objc; |
| 1991 | Tcl_Obj *CONST objv[]; |
| 1992 | { |
| 1993 | struct tracepoint *tp; |
| 1994 | Tcl_Obj **actions; |
| 1995 | int nactions, i, len; |
| 1996 | char *number, *args, *action; |
| 1997 | long step_count; |
| 1998 | struct action_line *next = NULL, *temp; |
| 1999 | enum actionline_type linetype; |
| 2000 | |
| 2001 | if (objc != 3) |
| 2002 | { |
| 2003 | Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # args: should be: \"", |
| 2004 | Tcl_GetStringFromObj (objv[0], NULL), |
| 2005 | " number actions\"", NULL); |
| 2006 | return TCL_ERROR; |
| 2007 | } |
| 2008 | |
| 2009 | args = number = Tcl_GetStringFromObj (objv[1], NULL); |
| 2010 | tp = get_tracepoint_by_number (&args); |
| 2011 | if (tp == NULL) |
| 2012 | { |
| 2013 | Tcl_AppendStringsToObj (result_ptr->obj_ptr, "Tracepoint \"", number, "\" does not exist", NULL); |
| 2014 | return TCL_ERROR; |
| 2015 | } |
| 2016 | |
| 2017 | /* Free any existing actions */ |
| 2018 | if (tp->actions != NULL) |
| 2019 | free_actions (tp); |
| 2020 | |
| 2021 | step_count = 0; |
| 2022 | |
| 2023 | Tcl_ListObjGetElements (interp, objv[2], &nactions, &actions); |
| 2024 | |
| 2025 | /* Add the actions to the tracepoint */ |
| 2026 | for (i = 0; i < nactions; i++) |
| 2027 | { |
| 2028 | temp = xmalloc (sizeof (struct action_line)); |
| 2029 | temp->next = NULL; |
| 2030 | action = Tcl_GetStringFromObj (actions[i], &len); |
| 2031 | temp->action = savestring (action, len); |
| 2032 | |
| 2033 | linetype = validate_actionline (&(temp->action), tp); |
| 2034 | |
| 2035 | if (linetype == BADLINE) |
| 2036 | { |
| 2037 | free (temp); |
| 2038 | continue; |
| 2039 | } |
| 2040 | |
| 2041 | if (next == NULL) |
| 2042 | { |
| 2043 | tp->actions = temp; |
| 2044 | next = temp; |
| 2045 | } |
| 2046 | else |
| 2047 | { |
| 2048 | next->next = temp; |
| 2049 | next = temp; |
| 2050 | } |
| 2051 | } |
| 2052 | |
| 2053 | return TCL_OK; |
| 2054 | } |
| 2055 | \f |
| 2056 | /* |
| 2057 | * This section has commands that handle source disassembly. |
| 2058 | */ |
| 2059 | |
| 2060 | /* This implements the tcl command gdb_disassemble |
| 2061 | * |
| 2062 | * Arguments: |
| 2063 | * source_with_assm - must be "source" or "nosource" |
| 2064 | * low_address - the address from which to start disassembly |
| 2065 | * ?hi_address? - the address to which to disassemble, defaults |
| 2066 | * to the end of the function containing low_address. |
| 2067 | * Tcl Result: |
| 2068 | * The disassembled code is passed to fputs_unfiltered, so it |
| 2069 | * either goes to the console if result_ptr->obj_ptr is NULL or to |
| 2070 | * the Tcl result. |
| 2071 | */ |
| 2072 | |
| 2073 | static int |
| 2074 | gdb_disassemble (clientData, interp, objc, objv) |
| 2075 | ClientData clientData; |
| 2076 | Tcl_Interp *interp; |
| 2077 | int objc; |
| 2078 | Tcl_Obj *CONST objv[]; |
| 2079 | { |
| 2080 | CORE_ADDR pc, low, high; |
| 2081 | int mixed_source_and_assembly; |
| 2082 | static disassemble_info di; |
| 2083 | static int di_initialized; |
| 2084 | char *arg_ptr; |
| 2085 | |
| 2086 | if (objc != 3 && objc != 4) |
| 2087 | error ("wrong # args"); |
| 2088 | |
| 2089 | if (! di_initialized) |
| 2090 | { |
| 2091 | INIT_DISASSEMBLE_INFO_NO_ARCH (di, gdb_stdout, |
| 2092 | (fprintf_ftype) fprintf_unfiltered); |
| 2093 | di.flavour = bfd_target_unknown_flavour; |
| 2094 | di.memory_error_func = dis_asm_memory_error; |
| 2095 | di.print_address_func = dis_asm_print_address; |
| 2096 | di_initialized = 1; |
| 2097 | } |
| 2098 | |
| 2099 | di.mach = TARGET_PRINT_INSN_INFO->mach; |
| 2100 | if (TARGET_BYTE_ORDER == BIG_ENDIAN) |
| 2101 | di.endian = BFD_ENDIAN_BIG; |
| 2102 | else |
| 2103 | di.endian = BFD_ENDIAN_LITTLE; |
| 2104 | |
| 2105 | arg_ptr = Tcl_GetStringFromObj (objv[1], NULL); |
| 2106 | if (*arg_ptr == 's' && strcmp (arg_ptr, "source") == 0) |
| 2107 | mixed_source_and_assembly = 1; |
| 2108 | else if (*arg_ptr == 'n' && strcmp (arg_ptr, "nosource") == 0) |
| 2109 | mixed_source_and_assembly = 0; |
| 2110 | else |
| 2111 | error ("First arg must be 'source' or 'nosource'"); |
| 2112 | |
| 2113 | low = parse_and_eval_address (Tcl_GetStringFromObj (objv[2], NULL)); |
| 2114 | |
| 2115 | if (objc == 3) |
| 2116 | { |
| 2117 | if (find_pc_partial_function (low, NULL, &low, &high) == 0) |
| 2118 | error ("No function contains specified address"); |
| 2119 | } |
| 2120 | else |
| 2121 | high = parse_and_eval_address (Tcl_GetStringFromObj (objv[3], NULL)); |
| 2122 | |
| 2123 | /* If disassemble_from_exec == -1, then we use the following heuristic to |
| 2124 | determine whether or not to do disassembly from target memory or from the |
| 2125 | exec file: |
| 2126 | |
| 2127 | If we're debugging a local process, read target memory, instead of the |
| 2128 | exec file. This makes disassembly of functions in shared libs work |
| 2129 | correctly. |
| 2130 | |
| 2131 | Else, we're debugging a remote process, and should disassemble from the |
| 2132 | exec file for speed. However, this is no good if the target modifies its |
| 2133 | code (for relocation, or whatever). |
| 2134 | */ |
| 2135 | |
| 2136 | if (disassemble_from_exec == -1) |
| 2137 | { |
| 2138 | if (strcmp (target_shortname, "child") == 0 |
| 2139 | || strcmp (target_shortname, "procfs") == 0 |
| 2140 | || strcmp (target_shortname, "vxprocess") == 0) |
| 2141 | disassemble_from_exec = 0; /* It's a child process, read inferior mem */ |
| 2142 | else |
| 2143 | disassemble_from_exec = 1; /* It's remote, read the exec file */ |
| 2144 | } |
| 2145 | |
| 2146 | if (disassemble_from_exec) |
| 2147 | di.read_memory_func = gdbtk_dis_asm_read_memory; |
| 2148 | else |
| 2149 | di.read_memory_func = dis_asm_read_memory; |
| 2150 | |
| 2151 | /* If just doing straight assembly, all we need to do is disassemble |
| 2152 | everything between low and high. If doing mixed source/assembly, we've |
| 2153 | got a totally different path to follow. */ |
| 2154 | |
| 2155 | if (mixed_source_and_assembly) |
| 2156 | { /* Come here for mixed source/assembly */ |
| 2157 | /* The idea here is to present a source-O-centric view of a function to |
| 2158 | the user. This means that things are presented in source order, with |
| 2159 | (possibly) out of order assembly immediately following. */ |
| 2160 | struct symtab *symtab; |
| 2161 | struct linetable_entry *le; |
| 2162 | int nlines; |
| 2163 | int newlines; |
| 2164 | struct my_line_entry *mle; |
| 2165 | struct symtab_and_line sal; |
| 2166 | int i; |
| 2167 | int out_of_order; |
| 2168 | int next_line; |
| 2169 | |
| 2170 | symtab = find_pc_symtab (low); /* Assume symtab is valid for whole PC range */ |
| 2171 | |
| 2172 | if (!symtab || !symtab->linetable) |
| 2173 | goto assembly_only; |
| 2174 | |
| 2175 | /* First, convert the linetable to a bunch of my_line_entry's. */ |
| 2176 | |
| 2177 | le = symtab->linetable->item; |
| 2178 | nlines = symtab->linetable->nitems; |
| 2179 | |
| 2180 | if (nlines <= 0) |
| 2181 | goto assembly_only; |
| 2182 | |
| 2183 | mle = (struct my_line_entry *) alloca (nlines * sizeof (struct my_line_entry)); |
| 2184 | |
| 2185 | out_of_order = 0; |
| 2186 | |
| 2187 | /* Copy linetable entries for this function into our data structure, creating |
| 2188 | end_pc's and setting out_of_order as appropriate. */ |
| 2189 | |
| 2190 | /* First, skip all the preceding functions. */ |
| 2191 | |
| 2192 | for (i = 0; i < nlines - 1 && le[i].pc < low; i++) ; |
| 2193 | |
| 2194 | /* Now, copy all entries before the end of this function. */ |
| 2195 | |
| 2196 | newlines = 0; |
| 2197 | for (; i < nlines - 1 && le[i].pc < high; i++) |
| 2198 | { |
| 2199 | if (le[i].line == le[i + 1].line |
| 2200 | && le[i].pc == le[i + 1].pc) |
| 2201 | continue; /* Ignore duplicates */ |
| 2202 | |
| 2203 | mle[newlines].line = le[i].line; |
| 2204 | if (le[i].line > le[i + 1].line) |
| 2205 | out_of_order = 1; |
| 2206 | mle[newlines].start_pc = le[i].pc; |
| 2207 | mle[newlines].end_pc = le[i + 1].pc; |
| 2208 | newlines++; |
| 2209 | } |
| 2210 | |
| 2211 | /* If we're on the last line, and it's part of the function, then we need to |
| 2212 | get the end pc in a special way. */ |
| 2213 | |
| 2214 | if (i == nlines - 1 |
| 2215 | && le[i].pc < high) |
| 2216 | { |
| 2217 | mle[newlines].line = le[i].line; |
| 2218 | mle[newlines].start_pc = le[i].pc; |
| 2219 | sal = find_pc_line (le[i].pc, 0); |
| 2220 | mle[newlines].end_pc = sal.end; |
| 2221 | newlines++; |
| 2222 | } |
| 2223 | |
| 2224 | /* Now, sort mle by line #s (and, then by addresses within lines). */ |
| 2225 | |
| 2226 | if (out_of_order) |
| 2227 | qsort (mle, newlines, sizeof (struct my_line_entry), compare_lines); |
| 2228 | |
| 2229 | /* Now, for each line entry, emit the specified lines (unless they have been |
| 2230 | emitted before), followed by the assembly code for that line. */ |
| 2231 | |
| 2232 | next_line = 0; /* Force out first line */ |
| 2233 | for (i = 0; i < newlines; i++) |
| 2234 | { |
| 2235 | /* Print out everything from next_line to the current line. */ |
| 2236 | |
| 2237 | if (mle[i].line >= next_line) |
| 2238 | { |
| 2239 | if (next_line != 0) |
| 2240 | print_source_lines (symtab, next_line, mle[i].line + 1, 0); |
| 2241 | else |
| 2242 | print_source_lines (symtab, mle[i].line, mle[i].line + 1, 0); |
| 2243 | |
| 2244 | next_line = mle[i].line + 1; |
| 2245 | } |
| 2246 | |
| 2247 | for (pc = mle[i].start_pc; pc < mle[i].end_pc; ) |
| 2248 | { |
| 2249 | QUIT; |
| 2250 | fputs_unfiltered (" ", gdb_stdout); |
| 2251 | print_address (pc, gdb_stdout); |
| 2252 | fputs_unfiltered (":\t ", gdb_stdout); |
| 2253 | pc += (*tm_print_insn) (pc, &di); |
| 2254 | fputs_unfiltered ("\n", gdb_stdout); |
| 2255 | } |
| 2256 | } |
| 2257 | } |
| 2258 | else |
| 2259 | { |
| 2260 | assembly_only: |
| 2261 | for (pc = low; pc < high; ) |
| 2262 | { |
| 2263 | QUIT; |
| 2264 | fputs_unfiltered (" ", gdb_stdout); |
| 2265 | print_address (pc, gdb_stdout); |
| 2266 | fputs_unfiltered (":\t ", gdb_stdout); |
| 2267 | pc += (*tm_print_insn) (pc, &di); |
| 2268 | fputs_unfiltered ("\n", gdb_stdout); |
| 2269 | } |
| 2270 | } |
| 2271 | |
| 2272 | gdb_flush (gdb_stdout); |
| 2273 | |
| 2274 | return TCL_OK; |
| 2275 | } |
| 2276 | |
| 2277 | /* This is the memory_read_func for gdb_disassemble when we are |
| 2278 | disassembling from the exec file. */ |
| 2279 | |
| 2280 | static int |
| 2281 | gdbtk_dis_asm_read_memory (memaddr, myaddr, len, info) |
| 2282 | bfd_vma memaddr; |
| 2283 | bfd_byte *myaddr; |
| 2284 | int len; |
| 2285 | disassemble_info *info; |
| 2286 | { |
| 2287 | extern struct target_ops exec_ops; |
| 2288 | int res; |
| 2289 | |
| 2290 | errno = 0; |
| 2291 | res = xfer_memory (memaddr, myaddr, len, 0, &exec_ops); |
| 2292 | |
| 2293 | if (res == len) |
| 2294 | return 0; |
| 2295 | else |
| 2296 | if (errno == 0) |
| 2297 | return EIO; |
| 2298 | else |
| 2299 | return errno; |
| 2300 | } |
| 2301 | |
| 2302 | /* This will be passed to qsort to sort the results of the disassembly */ |
| 2303 | |
| 2304 | static int |
| 2305 | compare_lines (mle1p, mle2p) |
| 2306 | const PTR mle1p; |
| 2307 | const PTR mle2p; |
| 2308 | { |
| 2309 | struct my_line_entry *mle1, *mle2; |
| 2310 | int val; |
| 2311 | |
| 2312 | mle1 = (struct my_line_entry *) mle1p; |
| 2313 | mle2 = (struct my_line_entry *) mle2p; |
| 2314 | |
| 2315 | val = mle1->line - mle2->line; |
| 2316 | |
| 2317 | if (val != 0) |
| 2318 | return val; |
| 2319 | |
| 2320 | return mle1->start_pc - mle2->start_pc; |
| 2321 | } |
| 2322 | |
| 2323 | /* This implements the TCL command `gdb_loc', |
| 2324 | * |
| 2325 | * Arguments: |
| 2326 | * ?symbol? The symbol or address to locate - defaults to pc |
| 2327 | * Tcl Return: |
| 2328 | * a list consisting of the following: |
| 2329 | * basename, function name, filename, line number, address, current pc |
| 2330 | */ |
| 2331 | |
| 2332 | static int |
| 2333 | gdb_loc (clientData, interp, objc, objv) |
| 2334 | ClientData clientData; |
| 2335 | Tcl_Interp *interp; |
| 2336 | int objc; |
| 2337 | Tcl_Obj *CONST objv[]; |
| 2338 | { |
| 2339 | char *filename; |
| 2340 | struct symtab_and_line sal; |
| 2341 | char *funcname, *fname; |
| 2342 | CORE_ADDR pc; |
| 2343 | |
| 2344 | if (!have_full_symbols () && !have_partial_symbols ()) |
| 2345 | { |
| 2346 | Tcl_SetStringObj (result_ptr->obj_ptr, "No symbol table is loaded", -1); |
| 2347 | return TCL_ERROR; |
| 2348 | } |
| 2349 | |
| 2350 | if (objc == 1) |
| 2351 | { |
| 2352 | if (selected_frame && (selected_frame->pc != stop_pc)) |
| 2353 | { |
| 2354 | /* Note - this next line is not correct on all architectures. */ |
| 2355 | /* For a graphical debugger we really want to highlight the */ |
| 2356 | /* assembly line that called the next function on the stack. */ |
| 2357 | /* Many architectures have the next instruction saved as the */ |
| 2358 | /* pc on the stack, so what happens is the next instruction is hughlighted. */ |
| 2359 | /* FIXME */ |
| 2360 | pc = selected_frame->pc; |
| 2361 | sal = find_pc_line (selected_frame->pc, |
| 2362 | selected_frame->next != NULL |
| 2363 | && !selected_frame->next->signal_handler_caller |
| 2364 | && !frame_in_dummy (selected_frame->next)); |
| 2365 | } |
| 2366 | else |
| 2367 | { |
| 2368 | pc = stop_pc; |
| 2369 | sal = find_pc_line (stop_pc, 0); |
| 2370 | } |
| 2371 | } |
| 2372 | else if (objc == 2) |
| 2373 | { |
| 2374 | struct symtabs_and_lines sals; |
| 2375 | int nelts; |
| 2376 | |
| 2377 | sals = decode_line_spec (Tcl_GetStringFromObj (objv[1], NULL), 1); |
| 2378 | |
| 2379 | nelts = sals.nelts; |
| 2380 | sal = sals.sals[0]; |
| 2381 | free (sals.sals); |
| 2382 | |
| 2383 | if (sals.nelts != 1) |
| 2384 | { |
| 2385 | Tcl_SetStringObj (result_ptr->obj_ptr, "Ambiguous line spec", -1); |
| 2386 | return TCL_ERROR; |
| 2387 | } |
| 2388 | pc = sal.pc; |
| 2389 | } |
| 2390 | else |
| 2391 | { |
| 2392 | Tcl_SetStringObj (result_ptr->obj_ptr, "wrong # args", -1); |
| 2393 | return TCL_ERROR; |
| 2394 | } |
| 2395 | |
| 2396 | if (sal.symtab) |
| 2397 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, |
| 2398 | Tcl_NewStringObj (sal.symtab->filename, -1)); |
| 2399 | else |
| 2400 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewStringObj ("", 0)); |
| 2401 | |
| 2402 | find_pc_partial_function (pc, &funcname, NULL, NULL); |
| 2403 | fname = cplus_demangle (funcname, 0); |
| 2404 | if (fname) |
| 2405 | { |
| 2406 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, |
| 2407 | Tcl_NewStringObj (fname, -1)); |
| 2408 | free (fname); |
| 2409 | } |
| 2410 | else |
| 2411 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, |
| 2412 | Tcl_NewStringObj (funcname, -1)); |
| 2413 | |
| 2414 | filename = symtab_to_filename (sal.symtab); |
| 2415 | if (filename == NULL) |
| 2416 | filename = ""; |
| 2417 | |
| 2418 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, |
| 2419 | Tcl_NewStringObj (filename, -1)); |
| 2420 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj(sal.line)); /* line number */ |
| 2421 | sprintf_append_element_to_obj (result_ptr->obj_ptr, "0x%s", paddr_nz(pc)); /* PC in current frame */ |
| 2422 | sprintf_append_element_to_obj (result_ptr->obj_ptr, "0x%s", paddr_nz(stop_pc)); /* Real PC */ |
| 2423 | return TCL_OK; |
| 2424 | } |
| 2425 | |
| 2426 | /* This implements the Tcl command 'gdb_get_mem', which |
| 2427 | * dumps a block of memory |
| 2428 | * Arguments: |
| 2429 | * gdb_get_mem addr form size num aschar |
| 2430 | * |
| 2431 | * addr: address of data to dump |
| 2432 | * form: a char indicating format |
| 2433 | * size: size of each element; 1,2,4, or 8 bytes |
| 2434 | * num: the number of bytes to read |
| 2435 | * acshar: an optional ascii character to use in ASCII dump |
| 2436 | * |
| 2437 | * Return: |
| 2438 | * a list of elements followed by an optional ASCII dump |
| 2439 | */ |
| 2440 | |
| 2441 | static int |
| 2442 | gdb_get_mem (clientData, interp, objc, objv) |
| 2443 | ClientData clientData; |
| 2444 | Tcl_Interp *interp; |
| 2445 | int objc; |
| 2446 | Tcl_Obj *CONST objv[]; |
| 2447 | { |
| 2448 | int size, asize, i, j, bc; |
| 2449 | CORE_ADDR addr; |
| 2450 | int nbytes, rnum, bpr; |
| 2451 | long tmp; |
| 2452 | char format, c, buff[128], aschar, *mbuf, *mptr, *cptr, *bptr; |
| 2453 | struct type *val_type; |
| 2454 | |
| 2455 | if (objc < 6 || objc > 7) |
| 2456 | { |
| 2457 | Tcl_SetStringObj (result_ptr->obj_ptr, |
| 2458 | "addr format size bytes bytes_per_row ?ascii_char?", -1); |
| 2459 | return TCL_ERROR; |
| 2460 | } |
| 2461 | |
| 2462 | if (Tcl_GetIntFromObj (interp, objv[3], &size) != TCL_OK) |
| 2463 | { |
| 2464 | result_ptr->flags |= GDBTK_IN_TCL_RESULT; |
| 2465 | return TCL_ERROR; |
| 2466 | } |
| 2467 | else if (size <= 0) |
| 2468 | { |
| 2469 | Tcl_SetStringObj (result_ptr->obj_ptr, "Invalid size, must be > 0", -1); |
| 2470 | return TCL_ERROR; |
| 2471 | } |
| 2472 | |
| 2473 | if (Tcl_GetIntFromObj (interp, objv[4], &nbytes) != TCL_OK) |
| 2474 | { |
| 2475 | result_ptr->flags |= GDBTK_IN_TCL_RESULT; |
| 2476 | return TCL_ERROR; |
| 2477 | } |
| 2478 | else if (size <= 0) |
| 2479 | { |
| 2480 | Tcl_SetStringObj (result_ptr->obj_ptr, "Invalid number of bytes, must be > 0", |
| 2481 | -1); |
| 2482 | return TCL_ERROR; |
| 2483 | } |
| 2484 | |
| 2485 | if (Tcl_GetIntFromObj (interp, objv[5], &bpr) != TCL_OK) |
| 2486 | { |
| 2487 | result_ptr->flags |= GDBTK_IN_TCL_RESULT; |
| 2488 | return TCL_ERROR; |
| 2489 | } |
| 2490 | else if (size <= 0) |
| 2491 | { |
| 2492 | Tcl_SetStringObj (result_ptr->obj_ptr, "Invalid bytes per row, must be > 0", -1); |
| 2493 | return TCL_ERROR; |
| 2494 | } |
| 2495 | |
| 2496 | if (Tcl_GetLongFromObj (interp, objv[1], &tmp) != TCL_OK) |
| 2497 | return TCL_OK; |
| 2498 | |
| 2499 | addr = (CORE_ADDR) tmp; |
| 2500 | |
| 2501 | format = *(Tcl_GetStringFromObj (objv[2], NULL)); |
| 2502 | mbuf = (char *)malloc (nbytes+32); |
| 2503 | if (!mbuf) |
| 2504 | { |
| 2505 | Tcl_SetStringObj (result_ptr->obj_ptr, "Out of memory.", -1); |
| 2506 | return TCL_ERROR; |
| 2507 | } |
| 2508 | |
| 2509 | memset (mbuf, 0, nbytes+32); |
| 2510 | mptr = cptr = mbuf; |
| 2511 | |
| 2512 | rnum = target_read_memory_partial (addr, mbuf, nbytes, NULL); |
| 2513 | |
| 2514 | if (objc == 7) |
| 2515 | aschar = *(Tcl_GetStringFromObj(objv[6], NULL)); |
| 2516 | else |
| 2517 | aschar = 0; |
| 2518 | |
| 2519 | switch (size) { |
| 2520 | case 1: |
| 2521 | val_type = builtin_type_char; |
| 2522 | asize = 'b'; |
| 2523 | break; |
| 2524 | case 2: |
| 2525 | val_type = builtin_type_short; |
| 2526 | asize = 'h'; |
| 2527 | break; |
| 2528 | case 4: |
| 2529 | val_type = builtin_type_int; |
| 2530 | asize = 'w'; |
| 2531 | break; |
| 2532 | case 8: |
| 2533 | val_type = builtin_type_long_long; |
| 2534 | asize = 'g'; |
| 2535 | break; |
| 2536 | default: |
| 2537 | val_type = builtin_type_char; |
| 2538 | asize = 'b'; |
| 2539 | } |
| 2540 | |
| 2541 | bc = 0; /* count of bytes in a row */ |
| 2542 | buff[0] = '"'; /* buffer for ascii dump */ |
| 2543 | bptr = &buff[1]; /* pointer for ascii dump */ |
| 2544 | |
| 2545 | result_ptr->flags |= GDBTK_MAKES_LIST; /* Build up the result as a list... */ |
| 2546 | |
| 2547 | for (i=0; i < nbytes; i+= size) |
| 2548 | { |
| 2549 | if ( i >= rnum) |
| 2550 | { |
| 2551 | fputs_unfiltered ("N/A ", gdb_stdout); |
| 2552 | if (aschar) |
| 2553 | for ( j = 0; j < size; j++) |
| 2554 | *bptr++ = 'X'; |
| 2555 | } |
| 2556 | else |
| 2557 | { |
| 2558 | print_scalar_formatted (mptr, val_type, format, asize, gdb_stdout); |
| 2559 | |
| 2560 | if (aschar) |
| 2561 | { |
| 2562 | for ( j = 0; j < size; j++) |
| 2563 | { |
| 2564 | c = *cptr++; |
| 2565 | if (c < 32 || c > 126) |
| 2566 | c = aschar; |
| 2567 | if (c == '"') |
| 2568 | *bptr++ = '\\'; |
| 2569 | *bptr++ = c; |
| 2570 | } |
| 2571 | } |
| 2572 | } |
| 2573 | |
| 2574 | mptr += size; |
| 2575 | bc += size; |
| 2576 | |
| 2577 | if (aschar && (bc >= bpr)) |
| 2578 | { |
| 2579 | /* end of row. print it and reset variables */ |
| 2580 | bc = 0; |
| 2581 | *bptr++ = '"'; |
| 2582 | *bptr++ = ' '; |
| 2583 | *bptr = 0; |
| 2584 | fputs_unfiltered (buff, gdb_stdout); |
| 2585 | bptr = &buff[1]; |
| 2586 | } |
| 2587 | } |
| 2588 | |
| 2589 | result_ptr->flags &= ~GDBTK_MAKES_LIST; |
| 2590 | |
| 2591 | free (mbuf); |
| 2592 | return TCL_OK; |
| 2593 | } |
| 2594 | |
| 2595 | \f |
| 2596 | |
| 2597 | /* This implements the tcl command "gdb_loadfile" |
| 2598 | * It loads a c source file into a text widget. |
| 2599 | * |
| 2600 | * Tcl Arguments: |
| 2601 | * widget: the name of the text widget to fill |
| 2602 | * filename: the name of the file to load |
| 2603 | * linenumbers: A boolean indicating whether or not to display line numbers. |
| 2604 | * Tcl Result: |
| 2605 | * |
| 2606 | */ |
| 2607 | |
| 2608 | /* In this routine, we will build up a "line table", i.e. a |
| 2609 | * table of bits showing which lines in the source file are executible. |
| 2610 | * LTABLE_SIZE is the number of bytes to allocate for the line table. |
| 2611 | * |
| 2612 | * Its size limits the maximum number of lines |
| 2613 | * in a file to 8 * LTABLE_SIZE. This memory is freed after |
| 2614 | * the file is loaded, so it is OK to make this very large. |
| 2615 | * Additional memory will be allocated if needed. */ |
| 2616 | #define LTABLE_SIZE 20000 |
| 2617 | static int |
| 2618 | gdb_loadfile (clientData, interp, objc, objv) |
| 2619 | ClientData clientData; |
| 2620 | Tcl_Interp *interp; |
| 2621 | int objc; |
| 2622 | Tcl_Obj *CONST objv[]; |
| 2623 | { |
| 2624 | char *file, *widget; |
| 2625 | int linenumbers, ln, lnum, ltable_size; |
| 2626 | FILE *fp; |
| 2627 | char *ltable; |
| 2628 | struct symtab *symtab; |
| 2629 | struct linetable_entry *le; |
| 2630 | long mtime = 0; |
| 2631 | struct stat st; |
| 2632 | Tcl_DString text_cmd_1, text_cmd_2, *cur_cmd; |
| 2633 | char line[1024], line_num_buf[16]; |
| 2634 | int prefix_len_1, prefix_len_2, cur_prefix_len, widget_len; |
| 2635 | |
| 2636 | |
| 2637 | if (objc != 4) |
| 2638 | { |
| 2639 | Tcl_WrongNumArgs(interp, 1, objv, "widget filename linenumbers"); |
| 2640 | return TCL_ERROR; |
| 2641 | } |
| 2642 | |
| 2643 | widget = Tcl_GetStringFromObj (objv[1], NULL); |
| 2644 | if ( Tk_NameToWindow (interp, widget, Tk_MainWindow (interp)) == NULL) |
| 2645 | { |
| 2646 | return TCL_ERROR; |
| 2647 | } |
| 2648 | |
| 2649 | file = Tcl_GetStringFromObj (objv[2], NULL); |
| 2650 | Tcl_GetBooleanFromObj (interp, objv[3], &linenumbers); |
| 2651 | |
| 2652 | symtab = full_lookup_symtab (file); |
| 2653 | if (!symtab) |
| 2654 | { |
| 2655 | Tcl_SetStringObj ( result_ptr->obj_ptr, "File not found in symtab", -1); |
| 2656 | fclose (fp); |
| 2657 | return TCL_ERROR; |
| 2658 | } |
| 2659 | |
| 2660 | file = symtab_to_filename ( symtab ); |
| 2661 | if ((fp = fopen ( file, "r" )) == NULL) |
| 2662 | { |
| 2663 | Tcl_SetStringObj ( result_ptr->obj_ptr, "Can't open file for reading", -1); |
| 2664 | return TCL_ERROR; |
| 2665 | } |
| 2666 | |
| 2667 | if (stat (file, &st) < 0) |
| 2668 | { |
| 2669 | catch_errors (perror_with_name_wrapper, "gdbtk: get time stamp", "", |
| 2670 | RETURN_MASK_ALL); |
| 2671 | return TCL_ERROR; |
| 2672 | } |
| 2673 | |
| 2674 | if (symtab && symtab->objfile && symtab->objfile->obfd) |
| 2675 | mtime = bfd_get_mtime(symtab->objfile->obfd); |
| 2676 | else if (exec_bfd) |
| 2677 | mtime = bfd_get_mtime(exec_bfd); |
| 2678 | |
| 2679 | if (mtime && mtime < st.st_mtime) |
| 2680 | gdbtk_ignorable_warning("Source file is more recent than executable.\n"); |
| 2681 | |
| 2682 | |
| 2683 | /* Source linenumbers don't appear to be in order, and a sort is */ |
| 2684 | /* too slow so the fastest solution is just to allocate a huge */ |
| 2685 | /* array and set the array entry for each linenumber */ |
| 2686 | |
| 2687 | ltable_size = LTABLE_SIZE; |
| 2688 | ltable = (char *)malloc (LTABLE_SIZE); |
| 2689 | if (ltable == NULL) |
| 2690 | { |
| 2691 | Tcl_SetStringObj ( result_ptr->obj_ptr, "Out of memory.", -1); |
| 2692 | fclose (fp); |
| 2693 | return TCL_ERROR; |
| 2694 | } |
| 2695 | |
| 2696 | memset (ltable, 0, LTABLE_SIZE); |
| 2697 | |
| 2698 | if (symtab->linetable && symtab->linetable->nitems) |
| 2699 | { |
| 2700 | le = symtab->linetable->item; |
| 2701 | for (ln = symtab->linetable->nitems ;ln > 0; ln--, le++) |
| 2702 | { |
| 2703 | lnum = le->line >> 3; |
| 2704 | if (lnum >= ltable_size) |
| 2705 | { |
| 2706 | char *new_ltable; |
| 2707 | new_ltable = (char *)realloc (ltable, ltable_size*2); |
| 2708 | memset (new_ltable + ltable_size, 0, ltable_size); |
| 2709 | ltable_size *= 2; |
| 2710 | if (new_ltable == NULL) |
| 2711 | { |
| 2712 | Tcl_SetStringObj ( result_ptr->obj_ptr, "Out of memory.", -1); |
| 2713 | free (ltable); |
| 2714 | fclose (fp); |
| 2715 | return TCL_ERROR; |
| 2716 | } |
| 2717 | ltable = new_ltable; |
| 2718 | } |
| 2719 | ltable[lnum] |= 1 << (le->line % 8); |
| 2720 | } |
| 2721 | } |
| 2722 | |
| 2723 | Tcl_DStringInit(&text_cmd_1); |
| 2724 | Tcl_DStringInit(&text_cmd_2); |
| 2725 | |
| 2726 | ln = 1; |
| 2727 | |
| 2728 | widget_len = strlen (widget); |
| 2729 | line[0] = '\t'; |
| 2730 | |
| 2731 | Tcl_DStringAppend (&text_cmd_1, widget, widget_len); |
| 2732 | Tcl_DStringAppend (&text_cmd_2, widget, widget_len); |
| 2733 | |
| 2734 | if (linenumbers) |
| 2735 | { |
| 2736 | Tcl_DStringAppend (&text_cmd_1, " insert end {-\t", -1); |
| 2737 | prefix_len_1 = Tcl_DStringLength(&text_cmd_1); |
| 2738 | |
| 2739 | Tcl_DStringAppend (&text_cmd_2, " insert end { \t", -1); |
| 2740 | prefix_len_2 = Tcl_DStringLength(&text_cmd_2); |
| 2741 | |
| 2742 | while (fgets (line + 1, 980, fp)) |
| 2743 | { |
| 2744 | sprintf (line_num_buf, "%d", ln); |
| 2745 | if (ltable[ln >> 3] & (1 << (ln % 8))) |
| 2746 | { |
| 2747 | cur_cmd = &text_cmd_1; |
| 2748 | cur_prefix_len = prefix_len_1; |
| 2749 | Tcl_DStringAppend (cur_cmd, line_num_buf, -1); |
| 2750 | Tcl_DStringAppend (cur_cmd, "} break_rgn_tag", 15); |
| 2751 | } |
| 2752 | else |
| 2753 | { |
| 2754 | cur_cmd = &text_cmd_2; |
| 2755 | cur_prefix_len = prefix_len_2; |
| 2756 | Tcl_DStringAppend (cur_cmd, line_num_buf, -1); |
| 2757 | Tcl_DStringAppend (cur_cmd, "} \"\"", 4); |
| 2758 | } |
| 2759 | |
| 2760 | Tcl_DStringAppendElement (cur_cmd, line); |
| 2761 | Tcl_DStringAppend (cur_cmd, " source_tag", 11); |
| 2762 | |
| 2763 | Tcl_Eval(interp, Tcl_DStringValue(cur_cmd)); |
| 2764 | Tcl_DStringSetLength(cur_cmd, cur_prefix_len); |
| 2765 | ln++; |
| 2766 | } |
| 2767 | } |
| 2768 | else |
| 2769 | { |
| 2770 | Tcl_DStringAppend (&text_cmd_1, " insert end {- } break_rgn_tag", -1); |
| 2771 | prefix_len_1 = Tcl_DStringLength(&text_cmd_1); |
| 2772 | Tcl_DStringAppend (&text_cmd_2, " insert end { } \"\"", -1); |
| 2773 | prefix_len_2 = Tcl_DStringLength(&text_cmd_2); |
| 2774 | |
| 2775 | while (fgets (line + 1, 980, fp)) |
| 2776 | { |
| 2777 | if (ltable[ln >> 3] & (1 << (ln % 8))) |
| 2778 | { |
| 2779 | cur_cmd = &text_cmd_1; |
| 2780 | cur_prefix_len = prefix_len_1; |
| 2781 | } |
| 2782 | else |
| 2783 | { |
| 2784 | cur_cmd = &text_cmd_2; |
| 2785 | cur_prefix_len = prefix_len_2; |
| 2786 | } |
| 2787 | |
| 2788 | Tcl_DStringAppendElement (cur_cmd, line); |
| 2789 | Tcl_DStringAppend (cur_cmd, " source_tag", 11); |
| 2790 | |
| 2791 | Tcl_Eval(interp, Tcl_DStringValue(cur_cmd)); |
| 2792 | Tcl_DStringSetLength(cur_cmd, cur_prefix_len); |
| 2793 | |
| 2794 | ln++; |
| 2795 | } |
| 2796 | } |
| 2797 | |
| 2798 | Tcl_DStringFree (&text_cmd_1); |
| 2799 | Tcl_DStringFree (&text_cmd_2); |
| 2800 | free (ltable); |
| 2801 | fclose (fp); |
| 2802 | return TCL_OK; |
| 2803 | } |
| 2804 | \f |
| 2805 | /* |
| 2806 | * This section contains commands for manipulation of breakpoints. |
| 2807 | */ |
| 2808 | |
| 2809 | |
| 2810 | /* set a breakpoint by source file and line number */ |
| 2811 | /* flags are as follows: */ |
| 2812 | /* least significant 2 bits are disposition, rest is */ |
| 2813 | /* type (normally 0). |
| 2814 | |
| 2815 | enum bptype { |
| 2816 | bp_breakpoint, Normal breakpoint |
| 2817 | bp_hardware_breakpoint, Hardware assisted breakpoint |
| 2818 | } |
| 2819 | |
| 2820 | Disposition of breakpoint. Ie: what to do after hitting it. |
| 2821 | enum bpdisp { |
| 2822 | del, Delete it |
| 2823 | del_at_next_stop, Delete at next stop, whether hit or not |
| 2824 | disable, Disable it |
| 2825 | donttouch Leave it alone |
| 2826 | }; |
| 2827 | */ |
| 2828 | |
| 2829 | /* This implements the tcl command "gdb_set_bp" |
| 2830 | * It sets breakpoints, and runs the Tcl command |
| 2831 | * gdbtk_tcl_breakpoint create |
| 2832 | * to register the new breakpoint with the GUI. |
| 2833 | * |
| 2834 | * Tcl Arguments: |
| 2835 | * filename: the file in which to set the breakpoint |
| 2836 | * line: the line number for the breakpoint |
| 2837 | * type: the type of the breakpoint |
| 2838 | * thread: optional thread number |
| 2839 | * Tcl Result: |
| 2840 | * The return value of the call to gdbtk_tcl_breakpoint. |
| 2841 | */ |
| 2842 | |
| 2843 | static int |
| 2844 | gdb_set_bp (clientData, interp, objc, objv) |
| 2845 | ClientData clientData; |
| 2846 | Tcl_Interp *interp; |
| 2847 | int objc; |
| 2848 | Tcl_Obj *CONST objv[]; |
| 2849 | |
| 2850 | { |
| 2851 | struct symtab_and_line sal; |
| 2852 | int line, flags, ret, thread = -1; |
| 2853 | struct breakpoint *b; |
| 2854 | char buf[64]; |
| 2855 | Tcl_DString cmd; |
| 2856 | |
| 2857 | if (objc != 4 && objc != 5) |
| 2858 | { |
| 2859 | Tcl_WrongNumArgs(interp, 1, objv, "filename line type [thread]"); |
| 2860 | return TCL_ERROR; |
| 2861 | } |
| 2862 | |
| 2863 | sal.symtab = full_lookup_symtab (Tcl_GetStringFromObj( objv[1], NULL)); |
| 2864 | if (sal.symtab == NULL) |
| 2865 | return TCL_ERROR; |
| 2866 | |
| 2867 | if (Tcl_GetIntFromObj( interp, objv[2], &line) == TCL_ERROR) |
| 2868 | { |
| 2869 | result_ptr->flags = GDBTK_IN_TCL_RESULT; |
| 2870 | return TCL_ERROR; |
| 2871 | } |
| 2872 | |
| 2873 | if (Tcl_GetIntFromObj( interp, objv[3], &flags) == TCL_ERROR) |
| 2874 | { |
| 2875 | result_ptr->flags = GDBTK_IN_TCL_RESULT; |
| 2876 | return TCL_ERROR; |
| 2877 | } |
| 2878 | |
| 2879 | if (objc == 5) |
| 2880 | { |
| 2881 | if (Tcl_GetIntFromObj( interp, objv[4], &thread) == TCL_ERROR) |
| 2882 | { |
| 2883 | result_ptr->flags = GDBTK_IN_TCL_RESULT; |
| 2884 | return TCL_ERROR; |
| 2885 | } |
| 2886 | } |
| 2887 | |
| 2888 | sal.line = line; |
| 2889 | if (!find_line_pc (sal.symtab, sal.line, &sal.pc)) |
| 2890 | return TCL_ERROR; |
| 2891 | |
| 2892 | sal.section = find_pc_overlay (sal.pc); |
| 2893 | b = set_raw_breakpoint (sal); |
| 2894 | set_breakpoint_count (breakpoint_count + 1); |
| 2895 | b->number = breakpoint_count; |
| 2896 | b->type = flags >> 2; |
| 2897 | b->disposition = flags & 3; |
| 2898 | b->thread = thread; |
| 2899 | |
| 2900 | /* FIXME: this won't work for duplicate basenames! */ |
| 2901 | sprintf (buf, "%s:%d", basename (Tcl_GetStringFromObj ( objv[1], NULL)), line); |
| 2902 | b->addr_string = strsave (buf); |
| 2903 | |
| 2904 | /* now send notification command back to GUI */ |
| 2905 | |
| 2906 | Tcl_DStringInit (&cmd); |
| 2907 | |
| 2908 | Tcl_DStringAppend (&cmd, "gdbtk_tcl_breakpoint create ", -1); |
| 2909 | sprintf (buf, "%d", b->number); |
| 2910 | Tcl_DStringAppendElement(&cmd, buf); |
| 2911 | sprintf (buf, "0x%lx", (long)sal.pc); |
| 2912 | Tcl_DStringAppendElement (&cmd, buf); |
| 2913 | Tcl_DStringAppendElement (&cmd, Tcl_GetStringFromObj (objv[2], NULL)); |
| 2914 | Tcl_DStringAppendElement (&cmd, Tcl_GetStringFromObj (objv[1], NULL)); |
| 2915 | Tcl_DStringAppendElement (&cmd, bpdisp[b->disposition]); |
| 2916 | sprintf (buf, "%d", b->enable); |
| 2917 | Tcl_DStringAppendElement (&cmd, buf); |
| 2918 | sprintf (buf, "%d", b->thread); |
| 2919 | Tcl_DStringAppendElement (&cmd, buf); |
| 2920 | |
| 2921 | |
| 2922 | ret = Tcl_Eval (interp, Tcl_DStringValue (&cmd)); |
| 2923 | Tcl_DStringFree (&cmd); |
| 2924 | return ret; |
| 2925 | } |
| 2926 | |
| 2927 | /* This implements the tcl command "gdb_set_bp_addr" |
| 2928 | * It sets breakpoints, and runs the Tcl command |
| 2929 | * gdbtk_tcl_breakpoint create |
| 2930 | * to register the new breakpoint with the GUI. |
| 2931 | * |
| 2932 | * Tcl Arguments: |
| 2933 | * addr: the address at which to set the breakpoint |
| 2934 | * type: the type of the breakpoint |
| 2935 | * thread: optional thread number |
| 2936 | * Tcl Result: |
| 2937 | * The return value of the call to gdbtk_tcl_breakpoint. |
| 2938 | */ |
| 2939 | |
| 2940 | static int |
| 2941 | gdb_set_bp_addr (clientData, interp, objc, objv) |
| 2942 | ClientData clientData; |
| 2943 | Tcl_Interp *interp; |
| 2944 | int objc; |
| 2945 | Tcl_Obj *CONST objv[]; |
| 2946 | |
| 2947 | { |
| 2948 | struct symtab_and_line sal; |
| 2949 | int line, flags, ret, thread = -1; |
| 2950 | long addr; |
| 2951 | struct breakpoint *b; |
| 2952 | char *filename, buf[64]; |
| 2953 | Tcl_DString cmd; |
| 2954 | |
| 2955 | if (objc != 4 && objc != 3) |
| 2956 | { |
| 2957 | Tcl_WrongNumArgs(interp, 1, objv, "addr type ?thread?"); |
| 2958 | return TCL_ERROR; |
| 2959 | } |
| 2960 | |
| 2961 | if (Tcl_GetLongFromObj( interp, objv[1], &addr) == TCL_ERROR) |
| 2962 | { |
| 2963 | result_ptr->flags = GDBTK_IN_TCL_RESULT; |
| 2964 | return TCL_ERROR; |
| 2965 | } |
| 2966 | |
| 2967 | if (Tcl_GetIntFromObj( interp, objv[2], &flags) == TCL_ERROR) |
| 2968 | { |
| 2969 | result_ptr->flags = GDBTK_IN_TCL_RESULT; |
| 2970 | return TCL_ERROR; |
| 2971 | } |
| 2972 | |
| 2973 | if (objc == 4) |
| 2974 | { |
| 2975 | if (Tcl_GetIntFromObj( interp, objv[3], &thread) == TCL_ERROR) |
| 2976 | { |
| 2977 | result_ptr->flags = GDBTK_IN_TCL_RESULT; |
| 2978 | return TCL_ERROR; |
| 2979 | } |
| 2980 | } |
| 2981 | |
| 2982 | sal = find_pc_line (addr, 0); |
| 2983 | sal.pc = addr; |
| 2984 | b = set_raw_breakpoint (sal); |
| 2985 | set_breakpoint_count (breakpoint_count + 1); |
| 2986 | b->number = breakpoint_count; |
| 2987 | b->type = flags >> 2; |
| 2988 | b->disposition = flags & 3; |
| 2989 | b->thread = thread; |
| 2990 | |
| 2991 | sprintf (buf, "*(0x%lx)",addr); |
| 2992 | b->addr_string = strsave (buf); |
| 2993 | |
| 2994 | /* now send notification command back to GUI */ |
| 2995 | |
| 2996 | Tcl_DStringInit (&cmd); |
| 2997 | |
| 2998 | Tcl_DStringAppend (&cmd, "gdbtk_tcl_breakpoint create ", -1); |
| 2999 | sprintf (buf, "%d", b->number); |
| 3000 | Tcl_DStringAppendElement(&cmd, buf); |
| 3001 | sprintf (buf, "0x%lx", addr); |
| 3002 | Tcl_DStringAppendElement (&cmd, buf); |
| 3003 | sprintf (buf, "%d", b->line_number); |
| 3004 | Tcl_DStringAppendElement (&cmd, buf); |
| 3005 | |
| 3006 | filename = symtab_to_filename (sal.symtab); |
| 3007 | if (filename == NULL) |
| 3008 | filename = ""; |
| 3009 | Tcl_DStringAppendElement (&cmd, filename); |
| 3010 | Tcl_DStringAppendElement (&cmd, bpdisp[b->disposition]); |
| 3011 | sprintf (buf, "%d", b->enable); |
| 3012 | Tcl_DStringAppendElement (&cmd, buf); |
| 3013 | sprintf (buf, "%d", b->thread); |
| 3014 | Tcl_DStringAppendElement (&cmd, buf); |
| 3015 | |
| 3016 | ret = Tcl_Eval (interp, Tcl_DStringValue (&cmd)); |
| 3017 | Tcl_DStringFree (&cmd); |
| 3018 | return ret; |
| 3019 | } |
| 3020 | |
| 3021 | /* This implements the tcl command "gdb_find_bp_at_line" |
| 3022 | * |
| 3023 | * Tcl Arguments: |
| 3024 | * filename: the file in which to find the breakpoint |
| 3025 | * line: the line number for the breakpoint |
| 3026 | * Tcl Result: |
| 3027 | * It returns a list of breakpoint numbers |
| 3028 | */ |
| 3029 | |
| 3030 | static int |
| 3031 | gdb_find_bp_at_line(clientData, interp, objc, objv) |
| 3032 | ClientData clientData; |
| 3033 | Tcl_Interp *interp; |
| 3034 | int objc; |
| 3035 | Tcl_Obj *CONST objv[]; |
| 3036 | |
| 3037 | { |
| 3038 | struct symtab *s; |
| 3039 | int line; |
| 3040 | struct breakpoint *b; |
| 3041 | extern struct breakpoint *breakpoint_chain; |
| 3042 | |
| 3043 | if (objc != 3) |
| 3044 | { |
| 3045 | Tcl_WrongNumArgs(interp, 1, objv, "filename line"); |
| 3046 | return TCL_ERROR; |
| 3047 | } |
| 3048 | |
| 3049 | s = full_lookup_symtab (Tcl_GetStringFromObj( objv[1], NULL)); |
| 3050 | if (s == NULL) |
| 3051 | return TCL_ERROR; |
| 3052 | |
| 3053 | if (Tcl_GetIntFromObj( interp, objv[2], &line) == TCL_ERROR) |
| 3054 | { |
| 3055 | result_ptr->flags = GDBTK_IN_TCL_RESULT; |
| 3056 | return TCL_ERROR; |
| 3057 | } |
| 3058 | |
| 3059 | Tcl_SetListObj (result_ptr->obj_ptr ,0 ,NULL); |
| 3060 | for (b = breakpoint_chain; b; b = b->next) |
| 3061 | if (b->line_number == line && !strcmp(b->source_file, s->filename)) |
| 3062 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, |
| 3063 | Tcl_NewIntObj (b->number)); |
| 3064 | |
| 3065 | return TCL_OK; |
| 3066 | } |
| 3067 | |
| 3068 | |
| 3069 | /* This implements the tcl command "gdb_find_bp_at_addr" |
| 3070 | * |
| 3071 | * Tcl Arguments: |
| 3072 | * addr: address |
| 3073 | * Tcl Result: |
| 3074 | * It returns a list of breakpoint numbers |
| 3075 | */ |
| 3076 | |
| 3077 | static int |
| 3078 | gdb_find_bp_at_addr(clientData, interp, objc, objv) |
| 3079 | ClientData clientData; |
| 3080 | Tcl_Interp *interp; |
| 3081 | int objc; |
| 3082 | Tcl_Obj *CONST objv[]; |
| 3083 | |
| 3084 | { |
| 3085 | long addr; |
| 3086 | struct breakpoint *b; |
| 3087 | extern struct breakpoint *breakpoint_chain; |
| 3088 | |
| 3089 | if (objc != 2) |
| 3090 | { |
| 3091 | Tcl_WrongNumArgs(interp, 1, objv, "address"); |
| 3092 | return TCL_ERROR; |
| 3093 | } |
| 3094 | |
| 3095 | if (Tcl_GetLongFromObj( interp, objv[1], &addr) == TCL_ERROR) |
| 3096 | { |
| 3097 | result_ptr->flags = GDBTK_IN_TCL_RESULT; |
| 3098 | return TCL_ERROR; |
| 3099 | } |
| 3100 | |
| 3101 | Tcl_SetListObj (result_ptr->obj_ptr ,0 ,NULL); |
| 3102 | for (b = breakpoint_chain; b; b = b->next) |
| 3103 | if (b->address == (CORE_ADDR)addr) |
| 3104 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, |
| 3105 | Tcl_NewIntObj (b->number)); |
| 3106 | |
| 3107 | return TCL_OK; |
| 3108 | } |
| 3109 | |
| 3110 | /* This implements the tcl command gdb_get_breakpoint_info |
| 3111 | * |
| 3112 | * |
| 3113 | * Tcl Arguments: |
| 3114 | * breakpoint_number |
| 3115 | * Tcl Result: |
| 3116 | * A list with {file, function, line_number, address, type, enabled?, |
| 3117 | * disposition, ignore_count, {list_of_commands}, thread, hit_count} |
| 3118 | */ |
| 3119 | |
| 3120 | static int |
| 3121 | gdb_get_breakpoint_info (clientData, interp, objc, objv) |
| 3122 | ClientData clientData; |
| 3123 | Tcl_Interp *interp; |
| 3124 | int objc; |
| 3125 | Tcl_Obj *CONST objv[]; |
| 3126 | { |
| 3127 | struct symtab_and_line sal; |
| 3128 | struct command_line *cmd; |
| 3129 | int bpnum; |
| 3130 | struct breakpoint *b; |
| 3131 | extern struct breakpoint *breakpoint_chain; |
| 3132 | char *funcname, *fname, *filename; |
| 3133 | Tcl_Obj *new_obj; |
| 3134 | |
| 3135 | if (objc != 2) |
| 3136 | { |
| 3137 | Tcl_SetStringObj (result_ptr->obj_ptr, "wrong number of args, should be \"breakpoint\"", -1); |
| 3138 | return TCL_ERROR; |
| 3139 | } |
| 3140 | |
| 3141 | if ( Tcl_GetIntFromObj(NULL, objv[1], &bpnum) != TCL_OK) |
| 3142 | { |
| 3143 | result_ptr->flags = GDBTK_IN_TCL_RESULT; |
| 3144 | return TCL_ERROR; |
| 3145 | } |
| 3146 | |
| 3147 | for (b = breakpoint_chain; b; b = b->next) |
| 3148 | if (b->number == bpnum) |
| 3149 | break; |
| 3150 | |
| 3151 | if (!b || b->type != bp_breakpoint) |
| 3152 | { |
| 3153 | char err_buf[64]; |
| 3154 | sprintf(err_buf, "Breakpoint #%d does not exist.", bpnum); |
| 3155 | Tcl_SetStringObj (result_ptr->obj_ptr, err_buf, -1); |
| 3156 | return TCL_ERROR; |
| 3157 | } |
| 3158 | |
| 3159 | sal = find_pc_line (b->address, 0); |
| 3160 | |
| 3161 | filename = symtab_to_filename (sal.symtab); |
| 3162 | if (filename == NULL) |
| 3163 | filename = ""; |
| 3164 | |
| 3165 | Tcl_SetListObj (result_ptr->obj_ptr ,0 ,NULL); |
| 3166 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, |
| 3167 | Tcl_NewStringObj (filename, -1)); |
| 3168 | |
| 3169 | find_pc_partial_function (b->address, &funcname, NULL, NULL); |
| 3170 | fname = cplus_demangle (funcname, 0); |
| 3171 | if (fname) |
| 3172 | { |
| 3173 | new_obj = Tcl_NewStringObj (fname, -1); |
| 3174 | free (fname); |
| 3175 | } |
| 3176 | else |
| 3177 | new_obj = Tcl_NewStringObj (funcname, -1); |
| 3178 | |
| 3179 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, new_obj); |
| 3180 | |
| 3181 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj (b->line_number)); |
| 3182 | sprintf_append_element_to_obj (result_ptr->obj_ptr, "0x%lx", b->address); |
| 3183 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, |
| 3184 | Tcl_NewStringObj (bptypes[b->type], -1)); |
| 3185 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewBooleanObj(b->enable == enabled)); |
| 3186 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, |
| 3187 | Tcl_NewStringObj (bpdisp[b->disposition], -1)); |
| 3188 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj (b->ignore_count)); |
| 3189 | |
| 3190 | new_obj = Tcl_NewObj(); |
| 3191 | for (cmd = b->commands; cmd; cmd = cmd->next) |
| 3192 | Tcl_ListObjAppendElement (NULL, new_obj, |
| 3193 | Tcl_NewStringObj (cmd->line, -1)); |
| 3194 | Tcl_ListObjAppendElement(NULL, result_ptr->obj_ptr, new_obj); |
| 3195 | |
| 3196 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, |
| 3197 | Tcl_NewStringObj (b->cond_string, -1)); |
| 3198 | |
| 3199 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj (b->thread)); |
| 3200 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj (b->hit_count)); |
| 3201 | |
| 3202 | return TCL_OK; |
| 3203 | } |
| 3204 | |
| 3205 | |
| 3206 | /* This implements the tcl command gdb_get_breakpoint_list |
| 3207 | * It builds up a list of the current breakpoints. |
| 3208 | * |
| 3209 | * Tcl Arguments: |
| 3210 | * None. |
| 3211 | * Tcl Result: |
| 3212 | * A list of breakpoint numbers. |
| 3213 | */ |
| 3214 | |
| 3215 | static int |
| 3216 | gdb_get_breakpoint_list (clientData, interp, objc, objv) |
| 3217 | ClientData clientData; |
| 3218 | Tcl_Interp *interp; |
| 3219 | int objc; |
| 3220 | Tcl_Obj *CONST objv[]; |
| 3221 | { |
| 3222 | struct breakpoint *b; |
| 3223 | extern struct breakpoint *breakpoint_chain; |
| 3224 | Tcl_Obj *new_obj; |
| 3225 | |
| 3226 | if (objc != 1) |
| 3227 | error ("wrong number of args, none are allowed"); |
| 3228 | |
| 3229 | for (b = breakpoint_chain; b; b = b->next) |
| 3230 | if (b->type == bp_breakpoint) |
| 3231 | { |
| 3232 | new_obj = Tcl_NewIntObj (b->number); |
| 3233 | Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, new_obj); |
| 3234 | } |
| 3235 | |
| 3236 | return TCL_OK; |
| 3237 | } |
| 3238 | \f |
| 3239 | /* The functions in this section deal with stacks and backtraces. */ |
| 3240 | |
| 3241 | /* This implements the tcl command gdb_stack. |
| 3242 | * It builds up a list of stack frames. |
| 3243 | * |
| 3244 | * Tcl Arguments: |
| 3245 | * start - starting stack frame |
| 3246 | * count - number of frames to inspect |
| 3247 | * Tcl Result: |
| 3248 | * A list of function names |
| 3249 | */ |
| 3250 | |
| 3251 | static int |
| 3252 | gdb_stack (clientData, interp, objc, objv) ClientData clientData; |
| 3253 | Tcl_Interp *interp; |
| 3254 | int objc; |
| 3255 | Tcl_Obj *CONST objv[]; |
| 3256 | { |
| 3257 | int start, count; |
| 3258 | |
| 3259 | if (objc < 3) |
| 3260 | { |
| 3261 | Tcl_WrongNumArgs (interp, 1, objv, "start count"); |
| 3262 | result_ptr->flags |= GDBTK_IN_TCL_RESULT; |
| 3263 | return TCL_ERROR; |
| 3264 | } |
| 3265 | |
| 3266 | if (Tcl_GetIntFromObj (NULL, objv[1], &start)) |
| 3267 | { |
| 3268 | result_ptr->flags |= GDBTK_IN_TCL_RESULT; |
| 3269 | return TCL_ERROR; |
| 3270 | } |
| 3271 | if (Tcl_GetIntFromObj (NULL, objv[2], &count)) |
| 3272 | { |
| 3273 | result_ptr->flags |= GDBTK_IN_TCL_RESULT; |
| 3274 | return TCL_ERROR; |
| 3275 | } |
| 3276 | |
| 3277 | Tcl_SetListObj (result_ptr->obj_ptr, 0, NULL); |
| 3278 | |
| 3279 | if (target_has_stack) |
| 3280 | { |
| 3281 | struct frame_info *top; |
| 3282 | struct frame_info *fi; |
| 3283 | |
| 3284 | /* Find the outermost frame */ |
| 3285 | fi = get_current_frame (); |
| 3286 | while (fi != NULL) |
| 3287 | { |
| 3288 | top = fi; |
| 3289 | fi = get_prev_frame (fi); |
| 3290 | } |
| 3291 | |
| 3292 | /* top now points to the top (outermost frame) of the |
| 3293 | stack, so point it to the requested start */ |
| 3294 | start = -start; |
| 3295 | top = find_relative_frame (top, &start); |
| 3296 | |
| 3297 | /* If start != 0, then we have asked to start outputting |
| 3298 | frames beyond the innermost stack frame */ |
| 3299 | if (start == 0) |
| 3300 | { |
| 3301 | fi = top; |
| 3302 | while (fi && count--) |
| 3303 | { |
| 3304 | get_frame_name (interp, result_ptr->obj_ptr, fi); |
| 3305 | fi = get_next_frame (fi); |
| 3306 | } |
| 3307 | } |
| 3308 | } |
| 3309 | |
| 3310 | return TCL_OK; |
| 3311 | } |
| 3312 | |
| 3313 | /* A helper function for get_stack which adds information about |
| 3314 | * the stack frame FI to the caller's LIST. |
| 3315 | * |
| 3316 | * This is stolen from print_frame_info in stack.c. |
| 3317 | */ |
| 3318 | static void |
| 3319 | get_frame_name (interp, list, fi) |
| 3320 | Tcl_Interp *interp; |
| 3321 | Tcl_Obj *list; |
| 3322 | struct frame_info *fi; |
| 3323 | { |
| 3324 | struct symtab_and_line sal; |
| 3325 | struct symbol *func = NULL; |
| 3326 | register char *funname = 0; |
| 3327 | enum language funlang = language_unknown; |
| 3328 | Tcl_Obj *objv[1]; |
| 3329 | |
| 3330 | if (frame_in_dummy (fi)) |
| 3331 | { |
| 3332 | objv[0] = Tcl_NewStringObj ("<function called from gdb>\n", -1); |
| 3333 | Tcl_ListObjAppendElement (interp, list, objv[0]); |
| 3334 | return; |
| 3335 | } |
| 3336 | if (fi->signal_handler_caller) |
| 3337 | { |
| 3338 | objv[0] = Tcl_NewStringObj ("<signal handler called>\n", -1); |
| 3339 | Tcl_ListObjAppendElement (interp, list, objv[0]); |
| 3340 | return; |
| 3341 | } |
| 3342 | |
| 3343 | sal = |
| 3344 | find_pc_line (fi->pc, |
| 3345 | fi->next != NULL |
| 3346 | && !fi->next->signal_handler_caller |
| 3347 | && !frame_in_dummy (fi->next)); |
| 3348 | |
| 3349 | func = find_pc_function (fi->pc); |
| 3350 | if (func) |
| 3351 | { |
| 3352 | struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (fi->pc); |
| 3353 | if (msymbol != NULL |
| 3354 | && (SYMBOL_VALUE_ADDRESS (msymbol) |
| 3355 | > BLOCK_START (SYMBOL_BLOCK_VALUE (func)))) |
| 3356 | { |
| 3357 | func = 0; |
| 3358 | funname = SYMBOL_NAME (msymbol); |
| 3359 | funlang = SYMBOL_LANGUAGE (msymbol); |
| 3360 | } |
| 3361 | else |
| 3362 | { |
| 3363 | funname = SYMBOL_NAME (func); |
| 3364 | funlang = SYMBOL_LANGUAGE (func); |
| 3365 | } |
| 3366 | } |
| 3367 | else |
| 3368 | { |
| 3369 | struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (fi->pc); |
| 3370 | if (msymbol != NULL) |
| 3371 | { |
| 3372 | funname = SYMBOL_NAME (msymbol); |
| 3373 | funlang = SYMBOL_LANGUAGE (msymbol); |
| 3374 | } |
| 3375 | } |
| 3376 | |
| 3377 | if (sal.symtab) |
| 3378 | { |
| 3379 | char *name = NULL; |
| 3380 | |
| 3381 | if (funlang == language_cplus) |
| 3382 | name = cplus_demangle (funname, 0); |
| 3383 | if (name == NULL) |
| 3384 | name = funname; |
| 3385 | |
| 3386 | objv[0] = Tcl_NewStringObj (name, -1); |
| 3387 | Tcl_ListObjAppendElement (interp, list, objv[0]); |
| 3388 | } |
| 3389 | else |
| 3390 | { |
| 3391 | #if 0 |
| 3392 | /* we have no convenient way to deal with this yet... */ |
| 3393 | if (fi->pc != sal.pc || !sal.symtab) |
| 3394 | { |
| 3395 | print_address_numeric (fi->pc, 1, gdb_stdout); |
| 3396 | printf_filtered (" in "); |
| 3397 | } |
| 3398 | fprintf_symbol_filtered (gdb_stdout, funname ? funname : "??", funlang, |
| 3399 | DMGL_ANSI); |
| 3400 | #endif |
| 3401 | objv[0] = Tcl_NewStringObj (funname != NULL ? funname : "??", -1); |
| 3402 | #ifdef PC_LOAD_SEGMENT |
| 3403 | /* If we couldn't print out function name but if can figure out what |
| 3404 | load segment this pc value is from, at least print out some info |
| 3405 | about its load segment. */ |
| 3406 | if (!funname) |
| 3407 | { |
| 3408 | Tcl_AppendStringsToObj (objv[0], " from ", PC_LOAD_SEGMENT (fi->pc), |
| 3409 | (char *) NULL); |
| 3410 | } |
| 3411 | #endif |
| 3412 | #ifdef PC_SOLIB |
| 3413 | if (!funname) |
| 3414 | { |
| 3415 | char *lib = PC_SOLIB (fi->pc); |
| 3416 | if (lib) |
| 3417 | { |
| 3418 | Tcl_AppendStringsToObj (objv[0], " from ", lib, (char *) NULL); |
| 3419 | } |
| 3420 | } |
| 3421 | #endif |
| 3422 | Tcl_ListObjAppendElement (interp, list, objv[0]); |
| 3423 | } |
| 3424 | } |
| 3425 | |
| 3426 | \f |
| 3427 | /* |
| 3428 | * This section contains a bunch of miscellaneous utility commands |
| 3429 | */ |
| 3430 | |
| 3431 | /* This implements the tcl command gdb_path_conv |
| 3432 | * |
| 3433 | * On Windows, it canonicalizes the pathname, |
| 3434 | * On Unix, it is a no op. |
| 3435 | * |
| 3436 | * Arguments: |
| 3437 | * path |
| 3438 | * Tcl Result: |
| 3439 | * The canonicalized path. |
| 3440 | */ |
| 3441 | |
| 3442 | static int |
| 3443 | gdb_path_conv (clientData, interp, objc, objv) |
| 3444 | ClientData clientData; |
| 3445 | Tcl_Interp *interp; |
| 3446 | int objc; |
| 3447 | Tcl_Obj *CONST objv[]; |
| 3448 | { |
| 3449 | if (objc != 2) |
| 3450 | error ("wrong # args"); |
| 3451 | |
| 3452 | #ifdef __CYGWIN__ |
| 3453 | { |
| 3454 | char pathname[256], *ptr; |
| 3455 | |
| 3456 | cygwin32_conv_to_full_win32_path (Tcl_GetStringFromObj (objv[1], NULL), pathname); |
| 3457 | for (ptr = pathname; *ptr; ptr++) |
| 3458 | { |
| 3459 | if (*ptr == '\\') |
| 3460 | *ptr = '/'; |
| 3461 | } |
| 3462 | Tcl_SetStringObj (result_ptr->obj_ptr, pathname, -1); |
| 3463 | } |
| 3464 | #else |
| 3465 | Tcl_SetStringObj (result_ptr->obj_ptr, Tcl_GetStringFromObj (objv[1], NULL), -1); |
| 3466 | #endif |
| 3467 | |
| 3468 | return TCL_OK; |
| 3469 | } |
| 3470 | \f |
| 3471 | /* |
| 3472 | * This section has utility routines that are not Tcl commands. |
| 3473 | */ |
| 3474 | |
| 3475 | static int |
| 3476 | perror_with_name_wrapper (args) |
| 3477 | char * args; |
| 3478 | { |
| 3479 | perror_with_name (args); |
| 3480 | return 1; |
| 3481 | } |
| 3482 | |
| 3483 | /* The lookup_symtab() in symtab.c doesn't work correctly */ |
| 3484 | /* It will not work will full pathnames and if multiple */ |
| 3485 | /* source files have the same basename, it will return */ |
| 3486 | /* the first one instead of the correct one. This version */ |
| 3487 | /* also always makes sure symtab->fullname is set. */ |
| 3488 | |
| 3489 | static struct symtab * |
| 3490 | full_lookup_symtab(file) |
| 3491 | char *file; |
| 3492 | { |
| 3493 | struct symtab *st; |
| 3494 | struct objfile *objfile; |
| 3495 | char *bfile, *fullname; |
| 3496 | struct partial_symtab *pt; |
| 3497 | |
| 3498 | if (!file) |
| 3499 | return NULL; |
| 3500 | |
| 3501 | /* first try a direct lookup */ |
| 3502 | st = lookup_symtab (file); |
| 3503 | if (st) |
| 3504 | { |
| 3505 | if (!st->fullname) |
| 3506 | symtab_to_filename(st); |
| 3507 | return st; |
| 3508 | } |
| 3509 | |
| 3510 | /* if the direct approach failed, try */ |
| 3511 | /* looking up the basename and checking */ |
| 3512 | /* all matches with the fullname */ |
| 3513 | bfile = basename (file); |
| 3514 | ALL_SYMTABS (objfile, st) |
| 3515 | { |
| 3516 | if (!strcmp (bfile, basename(st->filename))) |
| 3517 | { |
| 3518 | if (!st->fullname) |
| 3519 | fullname = symtab_to_filename (st); |
| 3520 | else |
| 3521 | fullname = st->fullname; |
| 3522 | |
| 3523 | if (!strcmp (file, fullname)) |
| 3524 | return st; |
| 3525 | } |
| 3526 | } |
| 3527 | |
| 3528 | /* still no luck? look at psymtabs */ |
| 3529 | ALL_PSYMTABS (objfile, pt) |
| 3530 | { |
| 3531 | if (!strcmp (bfile, basename(pt->filename))) |
| 3532 | { |
| 3533 | st = PSYMTAB_TO_SYMTAB (pt); |
| 3534 | if (st) |
| 3535 | { |
| 3536 | fullname = symtab_to_filename (st); |
| 3537 | if (!strcmp (file, fullname)) |
| 3538 | return st; |
| 3539 | } |
| 3540 | } |
| 3541 | } |
| 3542 | return NULL; |
| 3543 | } |