/* Tcl/Tk command definitions for gdbtk. Copyright 1994, 1995, 1996, 1997, 1998 Free Software Foundation, Inc. Written by Stu Grossman of Cygnus Support. This file is part of GDB. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "defs.h" #include "symtab.h" #include "inferior.h" #include "command.h" #include "bfd.h" #include "symfile.h" #include "objfiles.h" #include "target.h" #include "gdbcore.h" #include "tracepoint.h" #include "demangle.h" #ifdef _WIN32 #include #endif #include #include #include #include #include #include "guitcl.h" #include "gdbtk.h" #ifdef IDE /* start-sanitize-ide */ #include "event.h" #include "idetcl.h" #include "ilutk.h" /* end-sanitize-ide */ #endif #ifdef ANSI_PROTOTYPES #include #else #include #endif #include #include #include #include #include "top.h" #include #include "gdb_string.h" #include "dis-asm.h" #include #include "gdbcmd.h" #include "annotate.h" #include /* This structure filled in call_wrapper and passed to the wrapped call function. It stores the command pointer and arguments run in the wrapper function. */ struct wrapped_call_args { Tcl_Interp *interp; Tcl_ObjCmdProc *func; int objc; Tcl_Obj *CONST *objv; int val; }; /* These two objects hold boolean true and false, and are shared by all the list objects that gdb_listfuncs returns. */ static Tcl_Obj *mangled, *not_mangled; /* These two control how the GUI behaves when gdb is either tracing or loading. They are used in this file & gdbtk_hooks.c */ int No_Update = 0; int load_in_progress = 0; /* * This is used in the register fetching routines */ #ifndef REGISTER_CONVERTIBLE #define REGISTER_CONVERTIBLE(x) (0 != 0) #endif #ifndef REGISTER_CONVERT_TO_VIRTUAL #define REGISTER_CONVERT_TO_VIRTUAL(x, y, z, a) #endif #ifndef INVALID_FLOAT #define INVALID_FLOAT(x, y) (0 != 0) #endif /* This Structure is used in gdb_disassemble. We need a different sort of line table from the normal one cuz we can't depend upon implicit line-end pc's for lines to do the reordering in this function. */ struct my_line_entry { int line; CORE_ADDR start_pc; CORE_ADDR end_pc; }; /* This contains the previous values of the registers, since the last call to gdb_changed_register_list. */ static char old_regs[REGISTER_BYTES]; /* These two lookup tables are used to translate the type & disposition fields of the breakpoint structure (respectively) into something gdbtk understands. They are also used in gdbtk-hooks.c */ char *bptypes[] = {"breakpoint", "hardware breakpoint", "until", "finish", "watchpoint", "hardware watchpoint", "read watchpoint", "access watchpoint", "longjmp", "longjmp resume", "step resume", "through sigtramp", "watchpoint scope", "call dummy" }; char *bpdisp[] = {"delete", "delstop", "disable", "donttouch"}; /* * These are routines we need from breakpoint.c. * at some point make these static in breakpoint.c and move GUI code there */ extern struct breakpoint *set_raw_breakpoint (struct symtab_and_line sal); extern void set_breakpoint_count (int); extern int breakpoint_count; /* This variable determines where memory used for disassembly is read from. * See note in gdbtk.h for details. */ int disassemble_from_exec = -1; /* * Declarations for routines exported from this file */ int Gdbtk_Init (Tcl_Interp *interp); /* * Declarations for routines used only in this file. */ static int compare_lines PARAMS ((const PTR, const PTR)); static int comp_files PARAMS ((const void *, const void *)); static int call_wrapper PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); static int gdb_actions_command PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); static int gdb_changed_register_list PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); static int gdb_clear_file PARAMS ((ClientData, Tcl_Interp *interp, int, Tcl_Obj *CONST [])); static int gdb_cmd PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); static int gdb_confirm_quit PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); static int gdb_disassemble PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); static int gdb_eval PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); static int gdb_fetch_registers PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); static int gdb_find_file_command PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); static int gdb_force_quit PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); static struct symtab *full_lookup_symtab PARAMS ((char *file)); static int gdb_get_args_command PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); static int gdb_get_breakpoint_info PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); static int gdb_get_breakpoint_list PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); static int gdb_get_file_command PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); static int gdb_get_function_command PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); static int gdb_get_line_command PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); static int gdb_get_locals_command PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); static int gdb_get_mem PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); static int gdb_get_trace_frame_num PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); static int gdb_get_tracepoint_list PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); static int gdb_get_vars_command PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); static int gdb_immediate_command PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); static int gdb_listfiles PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); static int gdb_listfuncs PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); static int gdb_loadfile PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); static int gdb_load_info PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); static int gdb_loc PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); static int gdb_path_conv PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); static int gdb_prompt_command PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); static int gdb_regnames PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); static int gdb_search PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); static int gdb_set_bp PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); static int gdb_set_bp_addr PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); static int gdb_find_bp_at_line PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); static int gdb_find_bp_at_addr PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); static int gdb_stop PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); static int gdb_target_has_execution_command PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); static int gdb_trace_status PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); static int gdb_tracepoint_exists_command PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); static int gdb_get_tracepoint_info PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); static int gdbtk_dis_asm_read_memory PARAMS ((bfd_vma, bfd_byte *, int, disassemble_info *)); static int get_pc_register PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); static int gdb_stack PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); char * get_prompt PARAMS ((void)); static void get_register PARAMS ((int, void *)); static void get_register_name PARAMS ((int, void *)); static int map_arg_registers PARAMS ((int, Tcl_Obj *CONST [], void (*) (int, void *), void *)); static int perror_with_name_wrapper PARAMS ((char *args)); static void register_changed_p PARAMS ((int, void *)); void TclDebug PARAMS ((const char *fmt, ...)); static int wrapped_call (char *opaque_args); static void get_frame_name PARAMS ((Tcl_Interp *interp, Tcl_Obj *list, struct frame_info *fi)); /* Gdbtk_Init * This loads all the Tcl commands into the Tcl interpreter. * * Arguments: * interp - The interpreter into which to load the commands. * * Result: * A standard Tcl result. */ int Gdbtk_Init (interp) Tcl_Interp *interp; { Tcl_CreateObjCommand (interp, "gdb_cmd", call_wrapper, gdb_cmd, NULL); Tcl_CreateObjCommand (interp, "gdb_immediate", call_wrapper, gdb_immediate_command, NULL); Tcl_CreateObjCommand (interp, "gdb_loc", call_wrapper, gdb_loc, NULL); Tcl_CreateObjCommand (interp, "gdb_path_conv", call_wrapper, gdb_path_conv, NULL); Tcl_CreateObjCommand (interp, "gdb_listfiles", call_wrapper, gdb_listfiles, NULL); Tcl_CreateObjCommand (interp, "gdb_listfuncs", call_wrapper, gdb_listfuncs, NULL); Tcl_CreateObjCommand (interp, "gdb_get_mem", call_wrapper, gdb_get_mem, NULL); Tcl_CreateObjCommand (interp, "gdb_stop", call_wrapper, gdb_stop, NULL); Tcl_CreateObjCommand (interp, "gdb_regnames", call_wrapper, gdb_regnames, NULL); Tcl_CreateObjCommand (interp, "gdb_fetch_registers", call_wrapper, gdb_fetch_registers, NULL); Tcl_CreateObjCommand (interp, "gdb_changed_register_list", call_wrapper, gdb_changed_register_list, NULL); Tcl_CreateObjCommand (interp, "gdb_disassemble", call_wrapper, gdb_disassemble, NULL); Tcl_CreateObjCommand (interp, "gdb_eval", call_wrapper, gdb_eval, NULL); Tcl_CreateObjCommand (interp, "gdb_get_breakpoint_list", call_wrapper, gdb_get_breakpoint_list, NULL); Tcl_CreateObjCommand (interp, "gdb_get_breakpoint_info", call_wrapper, gdb_get_breakpoint_info, NULL); Tcl_CreateObjCommand (interp, "gdb_clear_file", call_wrapper, gdb_clear_file, NULL); Tcl_CreateObjCommand (interp, "gdb_confirm_quit", call_wrapper, gdb_confirm_quit, NULL); Tcl_CreateObjCommand (interp, "gdb_force_quit", call_wrapper, gdb_force_quit, NULL); Tcl_CreateObjCommand (interp, "gdb_target_has_execution", call_wrapper, gdb_target_has_execution_command, NULL); Tcl_CreateObjCommand (interp, "gdb_is_tracing", call_wrapper, gdb_trace_status, NULL); Tcl_CreateObjCommand (interp, "gdb_load_info", call_wrapper, gdb_load_info, NULL); Tcl_CreateObjCommand (interp, "gdb_get_locals", call_wrapper, gdb_get_locals_command, NULL); Tcl_CreateObjCommand (interp, "gdb_get_args", call_wrapper, gdb_get_args_command, NULL); Tcl_CreateObjCommand (interp, "gdb_get_function", call_wrapper, gdb_get_function_command, NULL); Tcl_CreateObjCommand (interp, "gdb_get_line", call_wrapper, gdb_get_line_command, NULL); Tcl_CreateObjCommand (interp, "gdb_get_file", call_wrapper, gdb_get_file_command, NULL); Tcl_CreateObjCommand (interp, "gdb_tracepoint_exists", call_wrapper, gdb_tracepoint_exists_command, NULL); Tcl_CreateObjCommand (interp, "gdb_get_tracepoint_info", call_wrapper, gdb_get_tracepoint_info, NULL); Tcl_CreateObjCommand (interp, "gdb_actions", call_wrapper, gdb_actions_command, NULL); Tcl_CreateObjCommand (interp, "gdb_prompt", call_wrapper, gdb_prompt_command, NULL); Tcl_CreateObjCommand (interp, "gdb_find_file", call_wrapper, gdb_find_file_command, NULL); Tcl_CreateObjCommand (interp, "gdb_get_tracepoint_list", call_wrapper, gdb_get_tracepoint_list, NULL); Tcl_CreateObjCommand (interp, "gdb_pc_reg", call_wrapper, get_pc_register, NULL); Tcl_CreateObjCommand (interp, "gdb_loadfile", call_wrapper, gdb_loadfile, NULL); Tcl_CreateObjCommand (gdbtk_interp, "gdb_search", call_wrapper, gdb_search, NULL); Tcl_CreateObjCommand (interp, "gdb_set_bp", call_wrapper, gdb_set_bp, NULL); Tcl_CreateObjCommand (interp, "gdb_set_bp_addr", call_wrapper, gdb_set_bp_addr, NULL); Tcl_CreateObjCommand (interp, "gdb_find_bp_at_line", call_wrapper, gdb_find_bp_at_line, NULL); Tcl_CreateObjCommand (interp, "gdb_find_bp_at_addr", call_wrapper, gdb_find_bp_at_addr, NULL); Tcl_CreateObjCommand (interp, "gdb_get_trace_frame_num", call_wrapper, gdb_get_trace_frame_num, NULL); Tcl_CreateObjCommand (interp, "gdb_stack", call_wrapper, gdb_stack, NULL); Tcl_LinkVar (interp, "gdb_selected_frame_level", (char *) &selected_frame_level, TCL_LINK_INT | TCL_LINK_READ_ONLY); /* gdb_context is used for debugging multiple threads or tasks */ Tcl_LinkVar (interp, "gdb_context_id", (char *) &gdb_context, TCL_LINK_INT | TCL_LINK_READ_ONLY); /* Determine where to disassemble from */ Tcl_LinkVar (gdbtk_interp, "disassemble-from-exec", (char *) &disassemble_from_exec, TCL_LINK_INT); Tcl_PkgProvide(interp, "Gdbtk", GDBTK_VERSION); return TCL_OK; } /* This routine acts as a top-level for all GDB code called by Tcl/Tk. It handles cleanups, and uses catch_errors to trap calls to return_to_top_level (usually via error). This is necessary in order to prevent a longjmp out of the bowels of Tk, possibly leaving things in a bad state. Since this routine can be called recursively, it needs to save and restore the contents of the result_ptr as necessary. */ static int call_wrapper (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { struct wrapped_call_args wrapped_args; gdbtk_result new_result, *old_result_ptr; old_result_ptr = result_ptr; result_ptr = &new_result; result_ptr->obj_ptr = Tcl_NewObj(); result_ptr->flags = GDBTK_TO_RESULT; wrapped_args.func = (Tcl_ObjCmdProc *) clientData; wrapped_args.interp = interp; wrapped_args.objc = objc; wrapped_args.objv = objv; wrapped_args.val = TCL_OK; if (!catch_errors (wrapped_call, &wrapped_args, "", RETURN_MASK_ALL)) { wrapped_args.val = TCL_ERROR; /* Flag an error for TCL */ /* Make sure the timer interrupts are turned off. */ gdbtk_stop_timer (); gdb_flush (gdb_stderr); /* Flush error output */ gdb_flush (gdb_stdout); /* Sometimes error output comes here as well */ /* If we errored out here, and the results were going to the console, then gdbtk_fputs will have gathered the result into the result_ptr. We also need to echo them out to the console here */ gdb_flush (gdb_stderr); /* Flush error output */ gdb_flush (gdb_stdout); /* Sometimes error output comes here as well */ /* In case of an error, we may need to force the GUI into idle mode because gdbtk_call_command may have bombed out while in the command routine. */ running_now = 0; Tcl_Eval (interp, "gdbtk_tcl_idle"); } /* do not suppress any errors -- a remote target could have errored */ load_in_progress = 0; /* * Now copy the result over to the true Tcl result. If GDBTK_TO_RESULT flag * bit is set , this just copies a null object over to the Tcl result, which is * fine because we should reset the result in this case anyway. */ if (result_ptr->flags & GDBTK_IN_TCL_RESULT) { Tcl_DecrRefCount(result_ptr->obj_ptr); } else { Tcl_SetObjResult (interp, result_ptr->obj_ptr); } result_ptr = old_result_ptr; #ifdef _WIN32 close_bfds (); #endif return wrapped_args.val; } /* * This is the wrapper that is passed to catch_errors. */ static int wrapped_call (opaque_args) char *opaque_args; { struct wrapped_call_args *args = (struct wrapped_call_args *) opaque_args; args->val = (*args->func) (args->func, args->interp, args->objc, args->objv); return 1; } /* This is a convenience function to sprintf something(s) into a * new element in a Tcl list object. */ static void #ifdef ANSI_PROTOTYPES sprintf_append_element_to_obj (Tcl_Obj *objp, char *format, ...) #else sprintf_append_element_to_obj (va_alist) va_dcl #endif { va_list args; char buf[1024]; #ifdef ANSI_PROTOTYPES va_start (args, format); #else Tcl_Obj *objp; char *format; va_start (args); dsp = va_arg (args, Tcl_Obj *); format = va_arg (args, char *); #endif vsprintf (buf, format, args); Tcl_ListObjAppendElement (NULL, objp, Tcl_NewStringObj (buf, -1)); } /* * This section contains the commands that control execution. */ /* This implements the tcl command gdb_clear_file. * * Prepare to accept a new executable file. This is called when we * want to clear away everything we know about the old file, without * asking the user. The Tcl code will have already asked the user if * necessary. After this is called, we should be able to run the * `file' command without getting any questions. * * Arguments: * None * Tcl Result: * None */ static int gdb_clear_file (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { if (objc != 1) Tcl_SetStringObj (result_ptr->obj_ptr, "Wrong number of args, none are allowed.", -1); if (inferior_pid != 0 && target_has_execution) { if (attach_flag) target_detach (NULL, 0); else target_kill (); } if (target_has_execution) pop_target (); symbol_file_command (NULL, 0); /* gdb_loc refers to stop_pc, but nothing seems to clear it, so we clear it here. FIXME: This seems like an abstraction violation somewhere. */ stop_pc = 0; return TCL_OK; } /* This implements the tcl command gdb_confirm_quit * Ask the user to confirm an exit request. * * Arguments: * None * Tcl Result: * A boolean, 1 if the user answered yes, 0 if no. */ static int gdb_confirm_quit (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { int ret; if (objc != 1) { Tcl_SetStringObj (result_ptr->obj_ptr, "Wrong number of args, should be none.", -1); return TCL_ERROR; } ret = quit_confirm (); Tcl_SetBooleanObj (result_ptr->obj_ptr, ret); return TCL_OK; } /* This implements the tcl command gdb_force_quit * Quit without asking for confirmation. * * Arguments: * None * Tcl Result: * None */ static int gdb_force_quit (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { if (objc != 1) { Tcl_SetStringObj (result_ptr->obj_ptr, "Wrong number of args, should be none.", -1); return TCL_ERROR; } quit_force ((char *) NULL, 1); return TCL_OK; } /* This implements the tcl command gdb_stop * It stops the target in a continuable fashion. * * Arguments: * None * Tcl Result: * None */ static int gdb_stop (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { if (target_stop != target_ignore) target_stop (); else quit_flag = 1; /* hope something sees this */ return TCL_OK; } /* * This section contains Tcl commands that are wrappers for invoking * the GDB command interpreter. */ /* This implements the tcl command `gdb_eval'. * It uses the gdb evaluator to return the value of * an expression in the current language * * Tcl Arguments: * expression - the expression to evaluate. * Tcl Result: * The result of the evaluation. */ static int gdb_eval (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { struct expression *expr; struct cleanup *old_chain=NULL; value_ptr val; if (objc != 2) { Tcl_SetStringObj (result_ptr->obj_ptr, "wrong # args, should be \"gdb_eval expression\"", -1); return TCL_ERROR; } expr = parse_expression (Tcl_GetStringFromObj (objv[1], NULL)); old_chain = make_cleanup ((make_cleanup_func) free_current_contents, &expr); val = evaluate_expression (expr); /* * Print the result of the expression evaluation. This will go to * eventually go to gdbtk_fputs, and from there be collected into * the Tcl result. */ val_print (VALUE_TYPE (val), VALUE_CONTENTS (val), VALUE_ADDRESS (val), gdb_stdout, 0, 0, 0, 0); do_cleanups (old_chain); return TCL_OK; } /* This implements the tcl command "gdb_cmd". * * It sends its argument to the GDB command scanner for execution. * This command will never cause the update, idle and busy hooks to be called * within the GUI. * * Tcl Arguments: * command - The GDB command to execute * Tcl Result: * The output from the gdb command (except for the "load" & "while" * which dump their output to the console. */ static int gdb_cmd (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { int from_tty = 0; if (objc < 2) { Tcl_SetStringObj (result_ptr->obj_ptr, "wrong # args", -1); return TCL_ERROR; } if (objc == 3) { if (Tcl_GetBooleanFromObj (NULL, objv[2], &from_tty) != TCL_OK) { Tcl_SetStringObj (result_ptr->obj_ptr, "from_tty must be a boolean.", -1); return TCL_ERROR; } } if (running_now || load_in_progress) return TCL_OK; No_Update = 1; /* for the load instruction (and possibly others later) we set turn off the GDBTK_TO_RESULT flag bit so gdbtk_fputs() will not buffer all the data until the command is finished. */ if ((strncmp ("load ", Tcl_GetStringFromObj (objv[1], NULL), 5) == 0)) { result_ptr->flags &= ~GDBTK_TO_RESULT; load_in_progress = 1; } execute_command (Tcl_GetStringFromObj (objv[1], NULL), from_tty); if (load_in_progress) { load_in_progress = 0; result_ptr->flags |= GDBTK_TO_RESULT; } bpstat_do_actions (&stop_bpstat); return TCL_OK; } /* * This implements the tcl command "gdb_immediate" * * It does exactly the same thing as gdb_cmd, except NONE of its outut * is buffered. This will also ALWAYS cause the busy, update, and idle hooks to * be called, contrasted with gdb_cmd, which NEVER calls them. * It turns off the GDBTK_TO_RESULT flag, which diverts the result * to the console window. * * Tcl Arguments: * command - The GDB command to execute * Tcl Result: * None. */ static int gdb_immediate_command (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { if (objc != 2) { Tcl_SetStringObj (result_ptr->obj_ptr, "wrong # args", -1); return TCL_ERROR; } if (running_now || load_in_progress) return TCL_OK; No_Update = 0; result_ptr->flags &= ~GDBTK_TO_RESULT; execute_command (Tcl_GetStringFromObj (objv[1], NULL), 1); bpstat_do_actions (&stop_bpstat); result_ptr->flags |= GDBTK_TO_RESULT; return TCL_OK; } /* This implements the tcl command "gdb_prompt" * * It returns the gdb interpreter's prompt. * * Tcl Arguments: * None. * Tcl Result: * The prompt. */ static int gdb_prompt_command (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { Tcl_SetStringObj (result_ptr->obj_ptr, get_prompt (), -1); return TCL_OK; } /* * This section contains general informational commands. */ /* This implements the tcl command "gdb_target_has_execution" * * Tells whether the target is executing. * * Tcl Arguments: * None * Tcl Result: * A boolean indicating whether the target is executing. */ static int gdb_target_has_execution_command (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { int result = 0; if (target_has_execution && inferior_pid != 0) result = 1; Tcl_SetBooleanObj (result_ptr->obj_ptr, result); return TCL_OK; } /* This implements the tcl command "gdb_load_info" * * It returns information about the file about to be downloaded. * * Tcl Arguments: * filename: The file to open & get the info on. * Tcl Result: * A list consisting of the name and size of each section. */ static int gdb_load_info (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { bfd *loadfile_bfd; struct cleanup *old_cleanups; asection *s; Tcl_Obj *ob[2]; char *filename = Tcl_GetStringFromObj (objv[1], NULL); loadfile_bfd = bfd_openr (filename, gnutarget); if (loadfile_bfd == NULL) { Tcl_SetStringObj (result_ptr->obj_ptr, "Open failed", -1); return TCL_ERROR; } old_cleanups = make_cleanup ((make_cleanup_func) bfd_close, loadfile_bfd); if (!bfd_check_format (loadfile_bfd, bfd_object)) { Tcl_SetStringObj (result_ptr->obj_ptr, "Bad Object File", -1); return TCL_ERROR; } Tcl_SetListObj (result_ptr->obj_ptr, 0, NULL); for (s = loadfile_bfd->sections; s; s = s->next) { if (s->flags & SEC_LOAD) { bfd_size_type size = bfd_get_section_size_before_reloc (s); if (size > 0) { ob[0] = Tcl_NewStringObj ((char *) bfd_get_section_name (loadfile_bfd, s), -1); ob[1] = Tcl_NewLongObj ((long) size); Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewListObj (2, ob)); } } } do_cleanups (old_cleanups); return TCL_OK; } /* gdb_get_locals - * This and gdb_get_locals just call gdb_get_vars_command with the right * value of clientData. We can't use the client data in the definition * of the command, because the call wrapper uses this instead... */ static int gdb_get_locals_command (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { return gdb_get_vars_command((ClientData) 0, interp, objc, objv); } static int gdb_get_args_command (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { return gdb_get_vars_command((ClientData) 1, interp, objc, objv); } /* This implements the tcl commands "gdb_get_locals" and "gdb_get_args" * * This function sets the Tcl interpreter's result to a list of variable names * depending on clientData. If clientData is one, the result is a list of * arguments; zero returns a list of locals -- all relative to the block * specified as an argument to the command. Valid commands include * anything decode_line_1 can handle (like "main.c:2", "*0x02020202", * and "main"). * * Tcl Arguments: * block - the address within which to specify the locals or args. * Tcl Result: * A list of the locals or args */ static int gdb_get_vars_command (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { struct symtabs_and_lines sals; struct symbol *sym; struct block *block; char **canonical, *args; int i, nsyms, arguments; if (objc != 2) { Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # of args: should be \"", Tcl_GetStringFromObj (objv[0], NULL), " function:line|function|line|*addr\"", NULL); return TCL_ERROR; } arguments = (int) clientData; args = Tcl_GetStringFromObj (objv[1], NULL); sals = decode_line_1 (&args, 1, NULL, 0, &canonical); if (sals.nelts == 0) { Tcl_SetStringObj (result_ptr->obj_ptr, "error decoding line", -1); return TCL_ERROR; } /* Initialize the result pointer to an empty list. */ Tcl_SetListObj (result_ptr->obj_ptr, 0, NULL); /* Resolve all line numbers to PC's */ for (i = 0; i < sals.nelts; i++) resolve_sal_pc (&sals.sals[i]); block = block_for_pc (sals.sals[0].pc); while (block != 0) { nsyms = BLOCK_NSYMS (block); for (i = 0; i < nsyms; i++) { sym = BLOCK_SYM (block, i); switch (SYMBOL_CLASS (sym)) { default: case LOC_UNDEF: /* catches errors */ case LOC_CONST: /* constant */ case LOC_TYPEDEF: /* local typedef */ case LOC_LABEL: /* local label */ case LOC_BLOCK: /* local function */ case LOC_CONST_BYTES: /* loc. byte seq. */ case LOC_UNRESOLVED: /* unresolved static */ case LOC_OPTIMIZED_OUT: /* optimized out */ break; case LOC_ARG: /* argument */ case LOC_REF_ARG: /* reference arg */ case LOC_REGPARM: /* register arg */ case LOC_REGPARM_ADDR: /* indirect register arg */ case LOC_LOCAL_ARG: /* stack arg */ case LOC_BASEREG_ARG: /* basereg arg */ if (arguments) Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewStringObj (SYMBOL_NAME (sym), -1)); break; case LOC_LOCAL: /* stack local */ case LOC_BASEREG: /* basereg local */ case LOC_STATIC: /* static */ case LOC_REGISTER: /* register */ if (!arguments) Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewStringObj (SYMBOL_NAME (sym), -1)); break; } } if (BLOCK_FUNCTION (block)) break; else block = BLOCK_SUPERBLOCK (block); } return TCL_OK; } /* This implements the tcl command "gdb_get_line" * * It returns the linenumber for a given linespec. It will take any spec * that can be passed to decode_line_1 * * Tcl Arguments: * linespec - the line specification * Tcl Result: * The line number for that spec. */ static int gdb_get_line_command (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { struct symtabs_and_lines sals; char *args, **canonical; if (objc != 2) { Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # of args: should be \"", Tcl_GetStringFromObj (objv[0], NULL), " linespec\"", NULL); return TCL_ERROR; } args = Tcl_GetStringFromObj (objv[1], NULL); sals = decode_line_1 (&args, 1, NULL, 0, &canonical); if (sals.nelts == 1) { Tcl_SetIntObj (result_ptr->obj_ptr, sals.sals[0].line); return TCL_OK; } Tcl_SetStringObj (result_ptr->obj_ptr, "N/A", -1); return TCL_OK; } /* This implements the tcl command "gdb_get_file" * * It returns the file containing a given line spec. * * Tcl Arguments: * linespec - The linespec to look up * Tcl Result: * The file containing it. */ static int gdb_get_file_command (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { struct symtabs_and_lines sals; char *args, **canonical; if (objc != 2) { Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # of args: should be \"", Tcl_GetStringFromObj (objv[0], NULL), " linespec\"", NULL); return TCL_ERROR; } args = Tcl_GetStringFromObj (objv[1], NULL); sals = decode_line_1 (&args, 1, NULL, 0, &canonical); if (sals.nelts == 1) { Tcl_SetStringObj (result_ptr->obj_ptr, sals.sals[0].symtab->filename, -1); return TCL_OK; } Tcl_SetStringObj (result_ptr->obj_ptr, "N/A", -1); return TCL_OK; } /* This implements the tcl command "gdb_get_function" * * It finds the function containing the given line spec. * * Tcl Arguments: * linespec - The line specification * Tcl Result: * The function that contains it, or "N/A" if it is not in a function. */ static int gdb_get_function_command (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { char *function; struct symtabs_and_lines sals; char *args, **canonical; if (objc != 2) { Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # of args: should be \"", Tcl_GetStringFromObj (objv[0], NULL), " linespec\"", NULL); return TCL_ERROR; } args = Tcl_GetStringFromObj (objv[1], NULL); sals = decode_line_1 (&args, 1, NULL, 0, &canonical); if (sals.nelts == 1) { resolve_sal_pc (&sals.sals[0]); find_pc_partial_function (sals.sals[0].pc, &function, NULL, NULL); if (function != NULL) { Tcl_SetStringObj (result_ptr->obj_ptr, function, -1); return TCL_OK; } } Tcl_SetStringObj (result_ptr->obj_ptr, "N/A", -1); return TCL_OK; } /* This implements the tcl command "gdb_find_file" * * It searches the symbol tables to get the full pathname to a file. * * Tcl Arguments: * filename: the file name to search for. * Tcl Result: * The full path to the file, or an empty string if the file is not * found. */ static int gdb_find_file_command (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { char *filename = NULL; struct symtab *st; if (objc != 2) { Tcl_WrongNumArgs(interp, 1, objv, "filename"); return TCL_ERROR; } st = full_lookup_symtab (Tcl_GetStringFromObj (objv[1], NULL)); if (st) filename = st->fullname; if (filename == NULL) Tcl_SetStringObj (result_ptr->obj_ptr, "", 0); else Tcl_SetStringObj (result_ptr->obj_ptr, filename, -1); return TCL_OK; } /* This implements the tcl command "gdb_listfiles" * * This lists all the files in the current executible. * * Note that this currently pulls in all sorts of filenames * that aren't really part of the executable. It would be * best if we could check each file to see if it actually * contains executable lines of code, but we can't do that * with psymtabs. * * Arguments: * ?pathname? - If provided, only files which match pathname * (up to strlen(pathname)) are included. THIS DOES NOT * CURRENTLY WORK BECAUSE PARTIAL_SYMTABS DON'T SUPPLY * THE FULL PATHNAME!!! * * Tcl Result: * A list of all matching files. */ static int gdb_listfiles (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { struct objfile *objfile; struct partial_symtab *psymtab; struct symtab *symtab; char *lastfile, *pathname=NULL, **files; int files_size; int i, numfiles = 0, len = 0; files_size = 1000; files = (char **) xmalloc (sizeof (char *) * files_size); if (objc > 2) { Tcl_WrongNumArgs (interp, 1, objv, "Usage: gdb_listfiles ?pathname?"); return TCL_ERROR; } else if (objc == 2) pathname = Tcl_GetStringFromObj (objv[1], &len); ALL_PSYMTABS (objfile, psymtab) { if (numfiles == files_size) { files_size = files_size * 2; files = (char **) xrealloc (files, sizeof (char *) * files_size); } if (psymtab->filename) { if (!len || !strncmp(pathname, psymtab->filename,len) || !strcmp(psymtab->filename, basename(psymtab->filename))) { files[numfiles++] = basename(psymtab->filename); } } } ALL_SYMTABS (objfile, symtab) { if (numfiles == files_size) { files_size = files_size * 2; files = (char **) xrealloc (files, sizeof (char *) * files_size); } if (symtab->filename && symtab->linetable && symtab->linetable->nitems) { if (!len || !strncmp(pathname, symtab->filename,len) || !strcmp(symtab->filename, basename(symtab->filename))) { files[numfiles++] = basename(symtab->filename); } } } qsort (files, numfiles, sizeof(char *), comp_files); lastfile = ""; /* Discard the old result pointer, in case it has accumulated anything and set it to a new list object */ Tcl_SetListObj(result_ptr->obj_ptr, 0, NULL); for (i = 0; i < numfiles; i++) { if (strcmp(files[i],lastfile)) Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewStringObj(files[i], -1)); lastfile = files[i]; } free (files); return TCL_OK; } static int comp_files (file1, file2) const void *file1, *file2; { return strcmp(* (char **) file1, * (char **) file2); } /* This implements the tcl command "gdb_search" * * * Tcl Arguments: * option - One of "functions", "variables" or "types" * regexp - The regular expression to look for. * Then, optionally: * -files fileList * -static 1/0 * Tcl Result: * */ static int gdb_search (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { struct symbol_search *ss = NULL; struct symbol_search *p; struct cleanup *old_chain = NULL; Tcl_Obj *CONST *switch_objv; int index, switch_objc, i; namespace_enum space = 0; char *regexp; int static_only, nfiles; Tcl_Obj **file_list; char **files; static char *search_options[] = { "functions", "variables", "types", (char *) NULL }; static char *switches[] = { "-files", "-static", (char *) NULL }; enum search_opts { SEARCH_FUNCTIONS, SEARCH_VARIABLES, SEARCH_TYPES }; enum switches_opts { SWITCH_FILES, SWITCH_STATIC_ONLY }; if (objc < 3) { Tcl_WrongNumArgs (interp, 1, objv, "option regexp ?arg ...?"); result_ptr->flags |= GDBTK_IN_TCL_RESULT; return TCL_ERROR; } if (Tcl_GetIndexFromObj (interp, objv[1], search_options, "option", 0, &index) != TCL_OK) { result_ptr->flags |= GDBTK_IN_TCL_RESULT; return TCL_ERROR; } /* Unfortunately, we cannot teach search_symbols to search on multiple regexps, so we have to do a two-tier search for any searches which choose to narrow the playing field. */ switch ((enum search_opts) index) { case SEARCH_FUNCTIONS: space = FUNCTIONS_NAMESPACE; break; case SEARCH_VARIABLES: space = VARIABLES_NAMESPACE; break; case SEARCH_TYPES: space = TYPES_NAMESPACE; break; } regexp = Tcl_GetStringFromObj (objv[2], NULL); /* Process any switches that refine the search */ switch_objc = objc - 3; switch_objv = objv + 3; static_only = 0; nfiles = 0; files = (char **) NULL; while (switch_objc > 0) { if (Tcl_GetIndexFromObj (interp, switch_objv[0], switches, "option", 0, &index) != TCL_OK) { result_ptr->flags |= GDBTK_IN_TCL_RESULT; return TCL_ERROR; } switch ((enum switches_opts) index) { case SWITCH_FILES: { int result; if (switch_objc < 2) { Tcl_WrongNumArgs (interp, 2, objv, "[-files fileList -static 1|0]"); result_ptr->flags |= GDBTK_IN_TCL_RESULT; return TCL_ERROR; } result = Tcl_ListObjGetElements (interp, switch_objv[1], &nfiles, &file_list); if (result != TCL_OK) return result; files = (char **) xmalloc (nfiles * sizeof (char *)); for (i = 0; i < nfiles; i++) files[i] = Tcl_GetStringFromObj (file_list[i], NULL); switch_objc--; switch_objv++; } break; case SWITCH_STATIC_ONLY: if (switch_objc < 2) { Tcl_WrongNumArgs (interp, 2, objv, "[-files fileList] [-static 1|0]"); result_ptr->flags |= GDBTK_IN_TCL_RESULT; return TCL_ERROR; } if ( Tcl_GetBooleanFromObj (interp, switch_objv[1], &static_only) != TCL_OK) { result_ptr->flags |= GDBTK_IN_TCL_RESULT; return TCL_ERROR; } switch_objc--; switch_objv++; } switch_objc--; switch_objv++; } search_symbols (regexp, space, nfiles, files, &ss); if (ss != NULL) old_chain = make_cleanup ((make_cleanup_func) free_search_symbols, ss); Tcl_SetListObj(result_ptr->obj_ptr, 0, NULL); for (p = ss; p != NULL; p = p->next) { Tcl_Obj *elem; if (static_only && p->block != STATIC_BLOCK) continue; elem = Tcl_NewListObj (0, NULL); if (p->msymbol == NULL) Tcl_ListObjAppendElement (interp, elem, Tcl_NewStringObj (SYMBOL_SOURCE_NAME (p->symbol), -1)); else Tcl_ListObjAppendElement (interp, elem, Tcl_NewStringObj (SYMBOL_SOURCE_NAME (p->msymbol), -1)); Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, elem); } if (ss != NULL) do_cleanups (old_chain); return TCL_OK; } /* This implements the tcl command gdb_listfuncs * * It lists all the functions defined in a given file * * Arguments: * file - the file to look in * Tcl Result: * A list of two element lists, the first element is * the symbol name, and the second is a boolean indicating * whether the symbol is demangled (1 for yes). */ static int gdb_listfuncs (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { struct symtab *symtab; struct blockvector *bv; struct block *b; struct symbol *sym; int i,j; Tcl_Obj *funcVals[2]; if (objc != 2) { Tcl_SetStringObj (result_ptr->obj_ptr, "wrong # args", -1); } symtab = full_lookup_symtab (Tcl_GetStringFromObj (objv[1], NULL)); if (!symtab) { Tcl_SetStringObj (result_ptr->obj_ptr, "No such file", -1); return TCL_ERROR; } if (mangled == NULL) { mangled = Tcl_NewBooleanObj(1); not_mangled = Tcl_NewBooleanObj(0); Tcl_IncrRefCount(mangled); Tcl_IncrRefCount(not_mangled); } Tcl_SetListObj (result_ptr->obj_ptr, 0, NULL); bv = BLOCKVECTOR (symtab); for (i = GLOBAL_BLOCK; i <= STATIC_BLOCK; i++) { b = BLOCKVECTOR_BLOCK (bv, i); /* Skip the sort if this block is always sorted. */ if (!BLOCK_SHOULD_SORT (b)) sort_block_syms (b); for (j = 0; j < BLOCK_NSYMS (b); j++) { sym = BLOCK_SYM (b, j); if (SYMBOL_CLASS (sym) == LOC_BLOCK) { char *name = cplus_demangle (SYMBOL_NAME(sym), 0); if (name) { /* strip out "global constructors" and "global destructors" */ /* because we aren't interested in them. */ if (strncmp (name, "global ", 7)) { funcVals[0] = Tcl_NewStringObj(name, -1); funcVals[1] = mangled; } else continue; } else { funcVals[0] = Tcl_NewStringObj(SYMBOL_NAME(sym), -1); funcVals[1] = not_mangled; } Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewListObj (2, funcVals)); } } } return TCL_OK; } /* * This section contains all the commands that act on the registers: */ /* This is a sort of mapcar function for operations on registers */ static int map_arg_registers (objc, objv, func, argp) int objc; Tcl_Obj *CONST objv[]; void (*func) PARAMS ((int regnum, void *argp)); void *argp; { int regnum; /* Note that the test for a valid register must include checking the reg_names array because NUM_REGS may be allocated for the union of the register sets within a family of related processors. In this case, the trailing entries of reg_names will change depending upon the particular processor being debugged. */ if (objc == 0) /* No args, just do all the regs */ { for (regnum = 0; regnum < NUM_REGS && reg_names[regnum] != NULL && *reg_names[regnum] != '\000'; regnum++) func (regnum, argp); return TCL_OK; } /* Else, list of register #s, just do listed regs */ for (; objc > 0; objc--, objv++) { if (Tcl_GetIntFromObj (NULL, *objv, ®num) != TCL_OK) { result_ptr->flags |= GDBTK_IN_TCL_RESULT; return TCL_ERROR; } if (regnum >= 0 && regnum < NUM_REGS && reg_names[regnum] != NULL && *reg_names[regnum] != '\000') func (regnum, argp); else { Tcl_SetStringObj (result_ptr->obj_ptr, "bad register number", -1); return TCL_ERROR; } } return TCL_OK; } /* This implements the TCL command `gdb_regnames', which returns a list of all of the register names. */ static int gdb_regnames (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { objc--; objv++; return map_arg_registers (objc, objv, get_register_name, NULL); } static void get_register_name (regnum, argp) int regnum; void *argp; /* Ignored */ { Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewStringObj (reg_names[regnum], -1)); } /* This implements the tcl command gdb_fetch_registers * Pass it a list of register names, and it will * return their values as a list. * * Tcl Arguments: * format: The format string for printing the values * args: the registers to look for * Tcl Result: * A list of their values. */ static int gdb_fetch_registers (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { int format, result; if (objc < 2) { Tcl_SetStringObj (result_ptr->obj_ptr, "wrong # args, should be gdb_fetch_registers format ?register1 register2 ...?", -1); } objc -= 2; objv++; format = *(Tcl_GetStringFromObj(objv[0], NULL)); objv++; result_ptr->flags |= GDBTK_MAKES_LIST; /* Output the results as a list */ result = map_arg_registers (objc, objv, get_register, (void *) format); result_ptr->flags &= ~GDBTK_MAKES_LIST; return result; } static void get_register (regnum, fp) int regnum; void *fp; { char raw_buffer[MAX_REGISTER_RAW_SIZE]; char virtual_buffer[MAX_REGISTER_VIRTUAL_SIZE]; int format = (int)fp; if (format == 'N') format = 0; if (read_relative_register_raw_bytes (regnum, raw_buffer)) { Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewStringObj ("Optimized out", -1)); return; } /* Convert raw data to virtual format if necessary. */ if (REGISTER_CONVERTIBLE (regnum)) { REGISTER_CONVERT_TO_VIRTUAL (regnum, REGISTER_VIRTUAL_TYPE (regnum), raw_buffer, virtual_buffer); } else memcpy (virtual_buffer, raw_buffer, REGISTER_VIRTUAL_SIZE (regnum)); if (format == 'r') { int j; printf_filtered ("0x"); for (j = 0; j < REGISTER_RAW_SIZE (regnum); j++) { register int idx = TARGET_BYTE_ORDER == BIG_ENDIAN ? j : REGISTER_RAW_SIZE (regnum) - 1 - j; printf_filtered ("%02x", (unsigned char)raw_buffer[idx]); } } else val_print (REGISTER_VIRTUAL_TYPE (regnum), virtual_buffer, 0, gdb_stdout, format, 1, 0, Val_pretty_default); } /* This implements the tcl command get_pc_reg * It returns the value of the PC register * * Tcl Arguments: * None * Tcl Result: * The value of the pc register. */ static int get_pc_register (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { char buff[64]; sprintf (buff, "0x%llx",(long long) read_register (PC_REGNUM)); Tcl_SetStringObj(result_ptr->obj_ptr, buff, -1); return TCL_OK; } /* This implements the tcl command "gdb_changed_register_list" * It takes a list of registers, and returns a list of * the registers on that list that have changed since the last * time the proc was called. * * Tcl Arguments: * A list of registers. * Tcl Result: * A list of changed registers. */ static int gdb_changed_register_list (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { objc--; objv++; return map_arg_registers (objc, objv, register_changed_p, NULL); } static void register_changed_p (regnum, argp) int regnum; void *argp; /* Ignored */ { char raw_buffer[MAX_REGISTER_RAW_SIZE]; if (read_relative_register_raw_bytes (regnum, raw_buffer)) return; if (memcmp (&old_regs[REGISTER_BYTE (regnum)], raw_buffer, REGISTER_RAW_SIZE (regnum)) == 0) return; /* Found a changed register. Save new value and return its number. */ memcpy (&old_regs[REGISTER_BYTE (regnum)], raw_buffer, REGISTER_RAW_SIZE (regnum)); Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj(regnum)); } /* * This section contains the commands that deal with tracepoints: */ /* return a list of all tracepoint numbers in interpreter */ static int gdb_get_tracepoint_list (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { struct tracepoint *tp; Tcl_SetListObj (result_ptr->obj_ptr, 0, NULL); ALL_TRACEPOINTS (tp) Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->number)); return TCL_OK; } /* returns -1 if not found, tracepoint # if found */ int tracepoint_exists (char * args) { struct tracepoint *tp; char **canonical; struct symtabs_and_lines sals; char *file = NULL; int result = -1; sals = decode_line_1 (&args, 1, NULL, 0, &canonical); if (sals.nelts == 1) { resolve_sal_pc (&sals.sals[0]); file = xmalloc (strlen (sals.sals[0].symtab->dirname) + strlen (sals.sals[0].symtab->filename) + 1); if (file != NULL) { strcpy (file, sals.sals[0].symtab->dirname); strcat (file, sals.sals[0].symtab->filename); ALL_TRACEPOINTS (tp) { if (tp->address == sals.sals[0].pc) result = tp->number; #if 0 /* Why is this here? This messes up assembly traces */ else if (tp->source_file != NULL && strcmp (tp->source_file, file) == 0 && sals.sals[0].line == tp->line_number) result = tp->number; #endif } } } if (file != NULL) free (file); return result; } static int gdb_tracepoint_exists_command (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { char * args; if (objc != 2) { Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # of args: should be \"", Tcl_GetStringFromObj (objv[0], NULL), " function:line|function|line|*addr\"", NULL); return TCL_ERROR; } args = Tcl_GetStringFromObj (objv[1], NULL); Tcl_SetIntObj (result_ptr->obj_ptr, tracepoint_exists (args)); return TCL_OK; } static int gdb_get_tracepoint_info (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { struct symtab_and_line sal; int tpnum; struct tracepoint *tp; struct action_line *al; Tcl_Obj *action_list; char *filename, *funcname, *fname; char tmp[19]; if (objc != 2) { Tcl_SetStringObj (result_ptr->obj_ptr, "wrong # args", -1); return TCL_ERROR; } if (Tcl_GetIntFromObj (NULL, objv[1], &tpnum) != TCL_OK) { result_ptr->flags |= GDBTK_IN_TCL_RESULT; return TCL_ERROR; } ALL_TRACEPOINTS (tp) if (tp->number == tpnum) break; if (tp == NULL) { char buff[64]; sprintf (buff, "Tracepoint #%d does not exist", tpnum); Tcl_SetStringObj (result_ptr->obj_ptr, buff, -1); return TCL_ERROR; } Tcl_SetListObj (result_ptr->obj_ptr, 0, NULL); sal = find_pc_line (tp->address, 0); filename = symtab_to_filename (sal.symtab); if (filename == NULL) filename = "N/A"; Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewStringObj (filename, -1)); find_pc_partial_function (tp->address, &funcname, NULL, NULL); fname = cplus_demangle (funcname, 0); if (fname) { Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewStringObj (fname, -1)); free (fname); } else Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewStringObj (funcname, -1)); Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (sal.line)); sprintf (tmp, "0x%lx", tp->address); Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewStringObj (tmp, -1)); Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->enabled)); Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->pass_count)); Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->step_count)); Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->thread)); Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->hit_count)); /* Append a list of actions */ action_list = Tcl_NewObj (); for (al = tp->actions; al != NULL; al = al->next) { Tcl_ListObjAppendElement (interp, action_list, Tcl_NewStringObj (al->action, -1)); } Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, action_list); return TCL_OK; } static int gdb_trace_status (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { int result = 0; if (trace_running_p) result = 1; Tcl_SetIntObj (result_ptr->obj_ptr, result); return TCL_OK; } static int gdb_get_trace_frame_num (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { if (objc != 1) { Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # of args: should be \"", Tcl_GetStringFromObj (objv[0], NULL), " linespec\"", NULL); return TCL_ERROR; } Tcl_SetIntObj (result_ptr->obj_ptr, get_traceframe_number ()); return TCL_OK; } /* This implements the tcl command gdb_actions * It sets actions for a given tracepoint. * * Tcl Arguments: * number: the tracepoint in question * actions: the actions to add to this tracepoint * Tcl Result: * None. */ static int gdb_actions_command (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { struct tracepoint *tp; Tcl_Obj **actions; int nactions, i, len; char *number, *args, *action; long step_count; struct action_line *next = NULL, *temp; enum actionline_type linetype; if (objc != 3) { Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # args: should be: \"", Tcl_GetStringFromObj (objv[0], NULL), " number actions\"", NULL); return TCL_ERROR; } args = number = Tcl_GetStringFromObj (objv[1], NULL); tp = get_tracepoint_by_number (&args); if (tp == NULL) { Tcl_AppendStringsToObj (result_ptr->obj_ptr, "Tracepoint \"", number, "\" does not exist", NULL); return TCL_ERROR; } /* Free any existing actions */ if (tp->actions != NULL) free_actions (tp); step_count = 0; Tcl_ListObjGetElements (interp, objv[2], &nactions, &actions); /* Add the actions to the tracepoint */ for (i = 0; i < nactions; i++) { temp = xmalloc (sizeof (struct action_line)); temp->next = NULL; action = Tcl_GetStringFromObj (actions[i], &len); temp->action = savestring (action, len); linetype = validate_actionline (&(temp->action), tp); if (linetype == BADLINE) { free (temp); continue; } if (next == NULL) { tp->actions = temp; next = temp; } else { next->next = temp; next = temp; } } return TCL_OK; } /* * This section has commands that handle source disassembly. */ /* This implements the tcl command gdb_disassemble * * Arguments: * source_with_assm - must be "source" or "nosource" * low_address - the address from which to start disassembly * ?hi_address? - the address to which to disassemble, defaults * to the end of the function containing low_address. * Tcl Result: * The disassembled code is passed to fputs_unfiltered, so it * either goes to the console if result_ptr->obj_ptr is NULL or to * the Tcl result. */ static int gdb_disassemble (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { CORE_ADDR pc, low, high; int mixed_source_and_assembly; static disassemble_info di; static int di_initialized; char *arg_ptr; if (objc != 3 && objc != 4) error ("wrong # args"); if (! di_initialized) { INIT_DISASSEMBLE_INFO_NO_ARCH (di, gdb_stdout, (fprintf_ftype) fprintf_unfiltered); di.flavour = bfd_target_unknown_flavour; di.memory_error_func = dis_asm_memory_error; di.print_address_func = dis_asm_print_address; di_initialized = 1; } di.mach = tm_print_insn_info.mach; if (TARGET_BYTE_ORDER == BIG_ENDIAN) di.endian = BFD_ENDIAN_BIG; else di.endian = BFD_ENDIAN_LITTLE; arg_ptr = Tcl_GetStringFromObj (objv[1], NULL); if (*arg_ptr == 's' && strcmp (arg_ptr, "source") == 0) mixed_source_and_assembly = 1; else if (*arg_ptr == 'n' && strcmp (arg_ptr, "nosource") == 0) mixed_source_and_assembly = 0; else error ("First arg must be 'source' or 'nosource'"); low = parse_and_eval_address (Tcl_GetStringFromObj (objv[2], NULL)); if (objc == 3) { if (find_pc_partial_function (low, NULL, &low, &high) == 0) error ("No function contains specified address"); } else high = parse_and_eval_address (Tcl_GetStringFromObj (objv[3], NULL)); /* If disassemble_from_exec == -1, then we use the following heuristic to determine whether or not to do disassembly from target memory or from the exec file: If we're debugging a local process, read target memory, instead of the exec file. This makes disassembly of functions in shared libs work correctly. Else, we're debugging a remote process, and should disassemble from the exec file for speed. However, this is no good if the target modifies its code (for relocation, or whatever). */ if (disassemble_from_exec == -1) { if (strcmp (target_shortname, "child") == 0 || strcmp (target_shortname, "procfs") == 0 || strcmp (target_shortname, "vxprocess") == 0) disassemble_from_exec = 0; /* It's a child process, read inferior mem */ else disassemble_from_exec = 1; /* It's remote, read the exec file */ } if (disassemble_from_exec) di.read_memory_func = gdbtk_dis_asm_read_memory; else di.read_memory_func = dis_asm_read_memory; /* If just doing straight assembly, all we need to do is disassemble everything between low and high. If doing mixed source/assembly, we've got a totally different path to follow. */ if (mixed_source_and_assembly) { /* Come here for mixed source/assembly */ /* The idea here is to present a source-O-centric view of a function to the user. This means that things are presented in source order, with (possibly) out of order assembly immediately following. */ struct symtab *symtab; struct linetable_entry *le; int nlines; int newlines; struct my_line_entry *mle; struct symtab_and_line sal; int i; int out_of_order; int next_line; symtab = find_pc_symtab (low); /* Assume symtab is valid for whole PC range */ if (!symtab || !symtab->linetable) goto assembly_only; /* First, convert the linetable to a bunch of my_line_entry's. */ le = symtab->linetable->item; nlines = symtab->linetable->nitems; if (nlines <= 0) goto assembly_only; mle = (struct my_line_entry *) alloca (nlines * sizeof (struct my_line_entry)); out_of_order = 0; /* Copy linetable entries for this function into our data structure, creating end_pc's and setting out_of_order as appropriate. */ /* First, skip all the preceding functions. */ for (i = 0; i < nlines - 1 && le[i].pc < low; i++) ; /* Now, copy all entries before the end of this function. */ newlines = 0; for (; i < nlines - 1 && le[i].pc < high; i++) { if (le[i].line == le[i + 1].line && le[i].pc == le[i + 1].pc) continue; /* Ignore duplicates */ mle[newlines].line = le[i].line; if (le[i].line > le[i + 1].line) out_of_order = 1; mle[newlines].start_pc = le[i].pc; mle[newlines].end_pc = le[i + 1].pc; newlines++; } /* If we're on the last line, and it's part of the function, then we need to get the end pc in a special way. */ if (i == nlines - 1 && le[i].pc < high) { mle[newlines].line = le[i].line; mle[newlines].start_pc = le[i].pc; sal = find_pc_line (le[i].pc, 0); mle[newlines].end_pc = sal.end; newlines++; } /* Now, sort mle by line #s (and, then by addresses within lines). */ if (out_of_order) qsort (mle, newlines, sizeof (struct my_line_entry), compare_lines); /* Now, for each line entry, emit the specified lines (unless they have been emitted before), followed by the assembly code for that line. */ next_line = 0; /* Force out first line */ for (i = 0; i < newlines; i++) { /* Print out everything from next_line to the current line. */ if (mle[i].line >= next_line) { if (next_line != 0) print_source_lines (symtab, next_line, mle[i].line + 1, 0); else print_source_lines (symtab, mle[i].line, mle[i].line + 1, 0); next_line = mle[i].line + 1; } for (pc = mle[i].start_pc; pc < mle[i].end_pc; ) { QUIT; fputs_unfiltered (" ", gdb_stdout); print_address (pc, gdb_stdout); fputs_unfiltered (":\t ", gdb_stdout); pc += (*tm_print_insn) (pc, &di); fputs_unfiltered ("\n", gdb_stdout); } } } else { assembly_only: for (pc = low; pc < high; ) { QUIT; fputs_unfiltered (" ", gdb_stdout); print_address (pc, gdb_stdout); fputs_unfiltered (":\t ", gdb_stdout); pc += (*tm_print_insn) (pc, &di); fputs_unfiltered ("\n", gdb_stdout); } } gdb_flush (gdb_stdout); return TCL_OK; } /* This is the memory_read_func for gdb_disassemble when we are disassembling from the exec file. */ static int gdbtk_dis_asm_read_memory (memaddr, myaddr, len, info) bfd_vma memaddr; bfd_byte *myaddr; int len; disassemble_info *info; { extern struct target_ops exec_ops; int res; errno = 0; res = xfer_memory (memaddr, myaddr, len, 0, &exec_ops); if (res == len) return 0; else if (errno == 0) return EIO; else return errno; } /* This will be passed to qsort to sort the results of the disassembly */ static int compare_lines (mle1p, mle2p) const PTR mle1p; const PTR mle2p; { struct my_line_entry *mle1, *mle2; int val; mle1 = (struct my_line_entry *) mle1p; mle2 = (struct my_line_entry *) mle2p; val = mle1->line - mle2->line; if (val != 0) return val; return mle1->start_pc - mle2->start_pc; } /* This implements the TCL command `gdb_loc', * * Arguments: * ?symbol? The symbol or address to locate - defaults to pc * Tcl Return: * a list consisting of the following: * basename, function name, filename, line number, address, current pc */ static int gdb_loc (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { char *filename; struct symtab_and_line sal; char *funcname, *fname; CORE_ADDR pc; if (!have_full_symbols () && !have_partial_symbols ()) { Tcl_SetStringObj (result_ptr->obj_ptr, "No symbol table is loaded", -1); return TCL_ERROR; } if (objc == 1) { if (selected_frame && (selected_frame->pc != stop_pc)) { /* Note - this next line is not correct on all architectures. */ /* For a graphical debugger we really want to highlight the */ /* assembly line that called the next function on the stack. */ /* Many architectures have the next instruction saved as the */ /* pc on the stack, so what happens is the next instruction is hughlighted. */ /* FIXME */ pc = selected_frame->pc; sal = find_pc_line (selected_frame->pc, selected_frame->next != NULL && !selected_frame->next->signal_handler_caller && !frame_in_dummy (selected_frame->next)); } else { pc = stop_pc; sal = find_pc_line (stop_pc, 0); } } else if (objc == 2) { struct symtabs_and_lines sals; int nelts; sals = decode_line_spec (Tcl_GetStringFromObj (objv[1], NULL), 1); nelts = sals.nelts; sal = sals.sals[0]; free (sals.sals); if (sals.nelts != 1) { Tcl_SetStringObj (result_ptr->obj_ptr, "Ambiguous line spec", -1); return TCL_ERROR; } pc = sal.pc; } else { Tcl_SetStringObj (result_ptr->obj_ptr, "wrong # args", -1); return TCL_ERROR; } if (sal.symtab) Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewStringObj (sal.symtab->filename, -1)); else Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewStringObj ("", 0)); find_pc_partial_function (pc, &funcname, NULL, NULL); fname = cplus_demangle (funcname, 0); if (fname) { Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewStringObj (fname, -1)); free (fname); } else Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewStringObj (funcname, -1)); filename = symtab_to_filename (sal.symtab); if (filename == NULL) filename = ""; Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewStringObj (filename, -1)); Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj(sal.line)); /* line number */ sprintf_append_element_to_obj (result_ptr->obj_ptr, "0x%s", paddr_nz(pc)); /* PC in current frame */ sprintf_append_element_to_obj (result_ptr->obj_ptr, "0x%s", paddr_nz(stop_pc)); /* Real PC */ return TCL_OK; } /* This implements the Tcl command 'gdb_get_mem', which * dumps a block of memory * Arguments: * gdb_get_mem addr form size num aschar * * addr: address of data to dump * form: a char indicating format * size: size of each element; 1,2,4, or 8 bytes * num: the number of bytes to read * acshar: an optional ascii character to use in ASCII dump * * Return: * a list of elements followed by an optional ASCII dump */ static int gdb_get_mem (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { int size, asize, i, j, bc; CORE_ADDR addr; int nbytes, rnum, bpr; long tmp; char format, c, buff[128], aschar, *mbuf, *mptr, *cptr, *bptr; struct type *val_type; if (objc < 6 || objc > 7) { Tcl_SetStringObj (result_ptr->obj_ptr, "addr format size bytes bytes_per_row ?ascii_char?", -1); return TCL_ERROR; } if (Tcl_GetIntFromObj (interp, objv[3], &size) != TCL_OK) { result_ptr->flags |= GDBTK_IN_TCL_RESULT; return TCL_ERROR; } else if (size <= 0) { Tcl_SetStringObj (result_ptr->obj_ptr, "Invalid size, must be > 0", -1); return TCL_ERROR; } if (Tcl_GetIntFromObj (interp, objv[4], &nbytes) != TCL_OK) { result_ptr->flags |= GDBTK_IN_TCL_RESULT; return TCL_ERROR; } else if (size <= 0) { Tcl_SetStringObj (result_ptr->obj_ptr, "Invalid number of bytes, must be > 0", -1); return TCL_ERROR; } if (Tcl_GetIntFromObj (interp, objv[5], &bpr) != TCL_OK) { result_ptr->flags |= GDBTK_IN_TCL_RESULT; return TCL_ERROR; } else if (size <= 0) { Tcl_SetStringObj (result_ptr->obj_ptr, "Invalid bytes per row, must be > 0", -1); return TCL_ERROR; } if (Tcl_GetLongFromObj (interp, objv[1], &tmp) != TCL_OK) return TCL_OK; addr = (CORE_ADDR) tmp; format = *(Tcl_GetStringFromObj (objv[2], NULL)); mbuf = (char *)malloc (nbytes+32); if (!mbuf) { Tcl_SetStringObj (result_ptr->obj_ptr, "Out of memory.", -1); return TCL_ERROR; } memset (mbuf, 0, nbytes+32); mptr = cptr = mbuf; rnum = target_read_memory_partial (addr, mbuf, nbytes, NULL); if (objc == 7) aschar = *(Tcl_GetStringFromObj(objv[6], NULL)); else aschar = 0; switch (size) { case 1: val_type = builtin_type_char; asize = 'b'; break; case 2: val_type = builtin_type_short; asize = 'h'; break; case 4: val_type = builtin_type_int; asize = 'w'; break; case 8: val_type = builtin_type_long_long; asize = 'g'; break; default: val_type = builtin_type_char; asize = 'b'; } bc = 0; /* count of bytes in a row */ buff[0] = '"'; /* buffer for ascii dump */ bptr = &buff[1]; /* pointer for ascii dump */ result_ptr->flags |= GDBTK_MAKES_LIST; /* Build up the result as a list... */ for (i=0; i < nbytes; i+= size) { if ( i >= rnum) { fputs_unfiltered ("N/A ", gdb_stdout); if (aschar) for ( j = 0; j < size; j++) *bptr++ = 'X'; } else { print_scalar_formatted (mptr, val_type, format, asize, gdb_stdout); if (aschar) { for ( j = 0; j < size; j++) { c = *cptr++; if (c < 32 || c > 126) c = aschar; if (c == '"') *bptr++ = '\\'; *bptr++ = c; } } } mptr += size; bc += size; if (aschar && (bc >= bpr)) { /* end of row. print it and reset variables */ bc = 0; *bptr++ = '"'; *bptr++ = ' '; *bptr = 0; fputs_unfiltered (buff, gdb_stdout); bptr = &buff[1]; } } result_ptr->flags &= ~GDBTK_MAKES_LIST; free (mbuf); return TCL_OK; } /* This implements the tcl command "gdb_loadfile" * It loads a c source file into a text widget. * * Tcl Arguments: * widget: the name of the text widget to fill * filename: the name of the file to load * linenumbers: A boolean indicating whether or not to display line numbers. * Tcl Result: * */ /* In this routine, we will build up a "line table", i.e. a * table of bits showing which lines in the source file are executible. * LTABLE_SIZE is the number of bytes to allocate for the line table. * * Its size limits the maximum number of lines * in a file to 8 * LTABLE_SIZE. This memory is freed after * the file is loaded, so it is OK to make this very large. * Additional memory will be allocated if needed. */ #define LTABLE_SIZE 20000 static int gdb_loadfile (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { char *file, *widget; int linenumbers, ln, lnum, ltable_size; FILE *fp; char *ltable; struct symtab *symtab; struct linetable_entry *le; long mtime = 0; struct stat st; Tcl_DString text_cmd_1, text_cmd_2, *cur_cmd; char line[1024], line_num_buf[16]; int prefix_len_1, prefix_len_2, cur_prefix_len, widget_len; if (objc != 4) { Tcl_WrongNumArgs(interp, 1, objv, "widget filename linenumbers"); return TCL_ERROR; } widget = Tcl_GetStringFromObj (objv[1], NULL); if ( Tk_NameToWindow (interp, widget, Tk_MainWindow (interp)) == NULL) { return TCL_ERROR; } file = Tcl_GetStringFromObj (objv[2], NULL); Tcl_GetBooleanFromObj (interp, objv[3], &linenumbers); symtab = full_lookup_symtab (file); if (!symtab) { Tcl_SetStringObj ( result_ptr->obj_ptr, "File not found in symtab", -1); fclose (fp); return TCL_ERROR; } file = symtab_to_filename ( symtab ); if ((fp = fopen ( file, "r" )) == NULL) { Tcl_SetStringObj ( result_ptr->obj_ptr, "Can't open file for reading", -1); return TCL_ERROR; } if (stat (file, &st) < 0) { catch_errors (perror_with_name_wrapper, "gdbtk: get time stamp", "", RETURN_MASK_ALL); return TCL_ERROR; } if (symtab && symtab->objfile && symtab->objfile->obfd) mtime = bfd_get_mtime(symtab->objfile->obfd); else if (exec_bfd) mtime = bfd_get_mtime(exec_bfd); if (mtime && mtime < st.st_mtime) gdbtk_ignorable_warning("Source file is more recent than executable.\n"); /* Source linenumbers don't appear to be in order, and a sort is */ /* too slow so the fastest solution is just to allocate a huge */ /* array and set the array entry for each linenumber */ ltable_size = LTABLE_SIZE; ltable = (char *)malloc (LTABLE_SIZE); if (ltable == NULL) { Tcl_SetStringObj ( result_ptr->obj_ptr, "Out of memory.", -1); fclose (fp); return TCL_ERROR; } memset (ltable, 0, LTABLE_SIZE); if (symtab->linetable && symtab->linetable->nitems) { le = symtab->linetable->item; for (ln = symtab->linetable->nitems ;ln > 0; ln--, le++) { lnum = le->line >> 3; if (lnum >= ltable_size) { char *new_ltable; new_ltable = (char *)realloc (ltable, ltable_size*2); memset (new_ltable + ltable_size, 0, ltable_size); ltable_size *= 2; if (new_ltable == NULL) { Tcl_SetStringObj ( result_ptr->obj_ptr, "Out of memory.", -1); free (ltable); fclose (fp); return TCL_ERROR; } ltable = new_ltable; } ltable[lnum] |= 1 << (le->line % 8); } } Tcl_DStringInit(&text_cmd_1); Tcl_DStringInit(&text_cmd_2); ln = 1; widget_len = strlen (widget); line[0] = '\t'; Tcl_DStringAppend (&text_cmd_1, widget, widget_len); Tcl_DStringAppend (&text_cmd_2, widget, widget_len); if (linenumbers) { Tcl_DStringAppend (&text_cmd_1, " insert end {-\t", -1); prefix_len_1 = Tcl_DStringLength(&text_cmd_1); Tcl_DStringAppend (&text_cmd_2, " insert end { \t", -1); prefix_len_2 = Tcl_DStringLength(&text_cmd_2); while (fgets (line + 1, 980, fp)) { sprintf (line_num_buf, "%d", ln); if (ltable[ln >> 3] & (1 << (ln % 8))) { cur_cmd = &text_cmd_1; cur_prefix_len = prefix_len_1; Tcl_DStringAppend (cur_cmd, line_num_buf, -1); Tcl_DStringAppend (cur_cmd, "} break_rgn_tag", 15); } else { cur_cmd = &text_cmd_2; cur_prefix_len = prefix_len_2; Tcl_DStringAppend (cur_cmd, line_num_buf, -1); Tcl_DStringAppend (cur_cmd, "} \"\"", 4); } Tcl_DStringAppendElement (cur_cmd, line); Tcl_DStringAppend (cur_cmd, " source_tag", 11); Tcl_Eval(interp, Tcl_DStringValue(cur_cmd)); Tcl_DStringSetLength(cur_cmd, cur_prefix_len); ln++; } } else { Tcl_DStringAppend (&text_cmd_1, " insert end {- } break_rgn_tag", -1); prefix_len_1 = Tcl_DStringLength(&text_cmd_1); Tcl_DStringAppend (&text_cmd_2, " insert end { } \"\"", -1); prefix_len_2 = Tcl_DStringLength(&text_cmd_2); while (fgets (line + 1, 980, fp)) { if (ltable[ln >> 3] & (1 << (ln % 8))) { cur_cmd = &text_cmd_1; cur_prefix_len = prefix_len_1; } else { cur_cmd = &text_cmd_2; cur_prefix_len = prefix_len_2; } Tcl_DStringAppendElement (cur_cmd, line); Tcl_DStringAppend (cur_cmd, " source_tag", 11); Tcl_Eval(interp, Tcl_DStringValue(cur_cmd)); Tcl_DStringSetLength(cur_cmd, cur_prefix_len); ln++; } } Tcl_DStringFree (&text_cmd_1); Tcl_DStringFree (&text_cmd_2); free (ltable); fclose (fp); return TCL_OK; } /* * This section contains commands for manipulation of breakpoints. */ /* set a breakpoint by source file and line number */ /* flags are as follows: */ /* least significant 2 bits are disposition, rest is */ /* type (normally 0). enum bptype { bp_breakpoint, Normal breakpoint bp_hardware_breakpoint, Hardware assisted breakpoint } Disposition of breakpoint. Ie: what to do after hitting it. enum bpdisp { del, Delete it del_at_next_stop, Delete at next stop, whether hit or not disable, Disable it donttouch Leave it alone }; */ /* This implements the tcl command "gdb_set_bp" * It sets breakpoints, and runs the Tcl command * gdbtk_tcl_breakpoint create * to register the new breakpoint with the GUI. * * Tcl Arguments: * filename: the file in which to set the breakpoint * line: the line number for the breakpoint * type: the type of the breakpoint * thread: optional thread number * Tcl Result: * The return value of the call to gdbtk_tcl_breakpoint. */ static int gdb_set_bp (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { struct symtab_and_line sal; int line, flags, ret, thread = -1; struct breakpoint *b; char buf[64]; Tcl_DString cmd; if (objc != 4 && objc != 5) { Tcl_WrongNumArgs(interp, 1, objv, "filename line type [thread]"); return TCL_ERROR; } sal.symtab = full_lookup_symtab (Tcl_GetStringFromObj( objv[1], NULL)); if (sal.symtab == NULL) return TCL_ERROR; if (Tcl_GetIntFromObj( interp, objv[2], &line) == TCL_ERROR) { result_ptr->flags = GDBTK_IN_TCL_RESULT; return TCL_ERROR; } if (Tcl_GetIntFromObj( interp, objv[3], &flags) == TCL_ERROR) { result_ptr->flags = GDBTK_IN_TCL_RESULT; return TCL_ERROR; } if (objc == 5) { if (Tcl_GetIntFromObj( interp, objv[4], &thread) == TCL_ERROR) { result_ptr->flags = GDBTK_IN_TCL_RESULT; return TCL_ERROR; } } sal.line = line; if (!find_line_pc (sal.symtab, sal.line, &sal.pc)) return TCL_ERROR; sal.section = find_pc_overlay (sal.pc); b = set_raw_breakpoint (sal); set_breakpoint_count (breakpoint_count + 1); b->number = breakpoint_count; b->type = flags >> 2; b->disposition = flags & 3; b->thread = thread; /* FIXME: this won't work for duplicate basenames! */ sprintf (buf, "%s:%d", basename (Tcl_GetStringFromObj ( objv[1], NULL)), line); b->addr_string = strsave (buf); /* now send notification command back to GUI */ Tcl_DStringInit (&cmd); Tcl_DStringAppend (&cmd, "gdbtk_tcl_breakpoint create ", -1); sprintf (buf, "%d", b->number); Tcl_DStringAppendElement(&cmd, buf); sprintf (buf, "0x%lx", (long)sal.pc); Tcl_DStringAppendElement (&cmd, buf); Tcl_DStringAppendElement (&cmd, Tcl_GetStringFromObj (objv[2], NULL)); Tcl_DStringAppendElement (&cmd, Tcl_GetStringFromObj (objv[1], NULL)); Tcl_DStringAppendElement (&cmd, bpdisp[b->disposition]); sprintf (buf, "%d", b->enable); Tcl_DStringAppendElement (&cmd, buf); sprintf (buf, "%d", b->thread); Tcl_DStringAppendElement (&cmd, buf); ret = Tcl_Eval (interp, Tcl_DStringValue (&cmd)); Tcl_DStringFree (&cmd); return ret; } /* This implements the tcl command "gdb_set_bp_addr" * It sets breakpoints, and runs the Tcl command * gdbtk_tcl_breakpoint create * to register the new breakpoint with the GUI. * * Tcl Arguments: * addr: the address at which to set the breakpoint * type: the type of the breakpoint * thread: optional thread number * Tcl Result: * The return value of the call to gdbtk_tcl_breakpoint. */ static int gdb_set_bp_addr (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { struct symtab_and_line sal; int line, flags, ret, thread = -1; long addr; struct breakpoint *b; char *filename, buf[64]; Tcl_DString cmd; if (objc != 4 && objc != 3) { Tcl_WrongNumArgs(interp, 1, objv, "addr type ?thread?"); return TCL_ERROR; } if (Tcl_GetLongFromObj( interp, objv[1], &addr) == TCL_ERROR) { result_ptr->flags = GDBTK_IN_TCL_RESULT; return TCL_ERROR; } if (Tcl_GetIntFromObj( interp, objv[2], &flags) == TCL_ERROR) { result_ptr->flags = GDBTK_IN_TCL_RESULT; return TCL_ERROR; } if (objc == 4) { if (Tcl_GetIntFromObj( interp, objv[3], &thread) == TCL_ERROR) { result_ptr->flags = GDBTK_IN_TCL_RESULT; return TCL_ERROR; } } sal = find_pc_line (addr, 0); sal.pc = addr; b = set_raw_breakpoint (sal); set_breakpoint_count (breakpoint_count + 1); b->number = breakpoint_count; b->type = flags >> 2; b->disposition = flags & 3; b->thread = thread; sprintf (buf, "*(0x%lx)",addr); b->addr_string = strsave (buf); /* now send notification command back to GUI */ Tcl_DStringInit (&cmd); Tcl_DStringAppend (&cmd, "gdbtk_tcl_breakpoint create ", -1); sprintf (buf, "%d", b->number); Tcl_DStringAppendElement(&cmd, buf); sprintf (buf, "0x%lx", addr); Tcl_DStringAppendElement (&cmd, buf); sprintf (buf, "%d", b->line_number); Tcl_DStringAppendElement (&cmd, buf); filename = symtab_to_filename (sal.symtab); if (filename == NULL) filename = ""; Tcl_DStringAppendElement (&cmd, filename); Tcl_DStringAppendElement (&cmd, bpdisp[b->disposition]); sprintf (buf, "%d", b->enable); Tcl_DStringAppendElement (&cmd, buf); sprintf (buf, "%d", b->thread); Tcl_DStringAppendElement (&cmd, buf); ret = Tcl_Eval (interp, Tcl_DStringValue (&cmd)); Tcl_DStringFree (&cmd); return ret; } /* This implements the tcl command "gdb_find_bp_at_line" * * Tcl Arguments: * filename: the file in which to find the breakpoint * line: the line number for the breakpoint * Tcl Result: * It returns a list of breakpoint numbers */ static int gdb_find_bp_at_line(clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { struct symtab *s; int line; struct breakpoint *b; extern struct breakpoint *breakpoint_chain; if (objc != 3) { Tcl_WrongNumArgs(interp, 1, objv, "filename line"); return TCL_ERROR; } s = full_lookup_symtab (Tcl_GetStringFromObj( objv[1], NULL)); if (s == NULL) return TCL_ERROR; if (Tcl_GetIntFromObj( interp, objv[2], &line) == TCL_ERROR) { result_ptr->flags = GDBTK_IN_TCL_RESULT; return TCL_ERROR; } Tcl_SetListObj (result_ptr->obj_ptr ,0 ,NULL); for (b = breakpoint_chain; b; b = b->next) if (b->line_number == line && !strcmp(b->source_file, s->filename)) Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj (b->number)); return TCL_OK; } /* This implements the tcl command "gdb_find_bp_at_addr" * * Tcl Arguments: * addr: address * Tcl Result: * It returns a list of breakpoint numbers */ static int gdb_find_bp_at_addr(clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { long addr; struct breakpoint *b; extern struct breakpoint *breakpoint_chain; if (objc != 2) { Tcl_WrongNumArgs(interp, 1, objv, "address"); return TCL_ERROR; } if (Tcl_GetLongFromObj( interp, objv[1], &addr) == TCL_ERROR) { result_ptr->flags = GDBTK_IN_TCL_RESULT; return TCL_ERROR; } Tcl_SetListObj (result_ptr->obj_ptr ,0 ,NULL); for (b = breakpoint_chain; b; b = b->next) if (b->address == (CORE_ADDR)addr) Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj (b->number)); return TCL_OK; } /* This implements the tcl command gdb_get_breakpoint_info * * * Tcl Arguments: * breakpoint_number * Tcl Result: * A list with {file, function, line_number, address, type, enabled?, * disposition, ignore_count, {list_of_commands}, thread, hit_count} */ static int gdb_get_breakpoint_info (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { struct symtab_and_line sal; struct command_line *cmd; int bpnum; struct breakpoint *b; extern struct breakpoint *breakpoint_chain; char *funcname, *fname, *filename; Tcl_Obj *new_obj; if (objc != 2) { Tcl_SetStringObj (result_ptr->obj_ptr, "wrong number of args, should be \"breakpoint\"", -1); return TCL_ERROR; } if ( Tcl_GetIntFromObj(NULL, objv[1], &bpnum) != TCL_OK) { result_ptr->flags = GDBTK_IN_TCL_RESULT; return TCL_ERROR; } for (b = breakpoint_chain; b; b = b->next) if (b->number == bpnum) break; if (!b || b->type != bp_breakpoint) { char err_buf[64]; sprintf(err_buf, "Breakpoint #%d does not exist.", bpnum); Tcl_SetStringObj (result_ptr->obj_ptr, err_buf, -1); return TCL_ERROR; } sal = find_pc_line (b->address, 0); filename = symtab_to_filename (sal.symtab); if (filename == NULL) filename = ""; Tcl_SetListObj (result_ptr->obj_ptr ,0 ,NULL); Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewStringObj (filename, -1)); find_pc_partial_function (b->address, &funcname, NULL, NULL); fname = cplus_demangle (funcname, 0); if (fname) { new_obj = Tcl_NewStringObj (fname, -1); free (fname); } else new_obj = Tcl_NewStringObj (funcname, -1); Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, new_obj); Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj (b->line_number)); sprintf_append_element_to_obj (result_ptr->obj_ptr, "0x%lx", b->address); Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewStringObj (bptypes[b->type], -1)); Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewBooleanObj(b->enable == enabled)); Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewStringObj (bpdisp[b->disposition], -1)); Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj (b->ignore_count)); new_obj = Tcl_NewObj(); for (cmd = b->commands; cmd; cmd = cmd->next) Tcl_ListObjAppendElement (NULL, new_obj, Tcl_NewStringObj (cmd->line, -1)); Tcl_ListObjAppendElement(NULL, result_ptr->obj_ptr, new_obj); Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewStringObj (b->cond_string, -1)); Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj (b->thread)); Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj (b->hit_count)); return TCL_OK; } /* This implements the tcl command gdb_get_breakpoint_list * It builds up a list of the current breakpoints. * * Tcl Arguments: * None. * Tcl Result: * A list of breakpoint numbers. */ static int gdb_get_breakpoint_list (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { struct breakpoint *b; extern struct breakpoint *breakpoint_chain; Tcl_Obj *new_obj; if (objc != 1) error ("wrong number of args, none are allowed"); for (b = breakpoint_chain; b; b = b->next) if (b->type == bp_breakpoint) { new_obj = Tcl_NewIntObj (b->number); Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, new_obj); } return TCL_OK; } /* The functions in this section deal with stacks and backtraces. */ /* This implements the tcl command gdb_stack. * It builds up a list of stack frames. * * Tcl Arguments: * start - starting stack frame * count - number of frames to inspect * Tcl Result: * A list of function names */ static int gdb_stack (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { int start, count; if (objc < 3) { Tcl_WrongNumArgs (interp, 1, objv, "start count"); result_ptr->flags |= GDBTK_IN_TCL_RESULT; return TCL_ERROR; } if (Tcl_GetIntFromObj (NULL, objv[1], &start)) { result_ptr->flags |= GDBTK_IN_TCL_RESULT; return TCL_ERROR; } if (Tcl_GetIntFromObj (NULL, objv[2], &count)) { result_ptr->flags |= GDBTK_IN_TCL_RESULT; return TCL_ERROR; } Tcl_SetListObj (result_ptr->obj_ptr, 0, NULL); if (target_has_stack) { struct frame_info *top; struct frame_info *fi; /* Find the outermost frame */ fi = get_current_frame (); while (fi != NULL) { top = fi; fi = get_prev_frame (fi); } /* top now points to the top (outermost frame) of the stack, so point it to the requested start */ start = -start; top = find_relative_frame (top, &start); /* If start != 0, then we have asked to start outputting frames beyond the innermost stack frame */ if (start == 0) { fi = top; while (fi && count--) { get_frame_name (interp, result_ptr->obj_ptr, fi); fi = get_next_frame (fi); } } } return TCL_OK; } /* A helper function for get_stack which adds information about * the stack frame FI to the caller's LIST. * * This is stolen from print_frame_info in stack.c. */ static void get_frame_name (interp, list, fi) Tcl_Interp *interp; Tcl_Obj *list; struct frame_info *fi; { struct symtab_and_line sal; struct symbol *func = NULL; register char *funname = 0; enum language funlang = language_unknown; Tcl_Obj *objv[1]; if (frame_in_dummy (fi)) { objv[0] = Tcl_NewStringObj ("\n", -1); Tcl_ListObjAppendElement (interp, list, objv[0]); return; } if (fi->signal_handler_caller) { objv[0] = Tcl_NewStringObj ("\n", -1); Tcl_ListObjAppendElement (interp, list, objv[0]); return; } sal = find_pc_line (fi->pc, fi->next != NULL && !fi->next->signal_handler_caller && !frame_in_dummy (fi->next)); func = find_pc_function (fi->pc); if (func) { struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (fi->pc); if (msymbol != NULL && (SYMBOL_VALUE_ADDRESS (msymbol) > BLOCK_START (SYMBOL_BLOCK_VALUE (func)))) { func = 0; funname = SYMBOL_NAME (msymbol); funlang = SYMBOL_LANGUAGE (msymbol); } else { funname = SYMBOL_NAME (func); funlang = SYMBOL_LANGUAGE (func); } } else { struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (fi->pc); if (msymbol != NULL) { funname = SYMBOL_NAME (msymbol); funlang = SYMBOL_LANGUAGE (msymbol); } } if (sal.symtab) { char *name = NULL; if (funlang == language_cplus) name = cplus_demangle (funname, 0); if (name == NULL) name = funname; objv[0] = Tcl_NewStringObj (name, -1); Tcl_ListObjAppendElement (interp, list, objv[0]); } else { #if 0 /* we have no convenient way to deal with this yet... */ if (fi->pc != sal.pc || !sal.symtab) { print_address_numeric (fi->pc, 1, gdb_stdout); printf_filtered (" in "); } printf_symbol_filtered (gdb_stdout, funname ? funname : "??", funlang, DMGL_ANSI); #endif objv[0] = Tcl_NewStringObj (funname != NULL ? funname : "??", -1); #ifdef PC_LOAD_SEGMENT /* If we couldn't print out function name but if can figure out what load segment this pc value is from, at least print out some info about its load segment. */ if (!funname) { Tcl_AppendStringsToObj (objv[0], " from ", PC_LOAD_SEGMENT (fi->pc), (char *) NULL); } #endif #ifdef PC_SOLIB if (!funname) { char *lib = PC_SOLIB (fi->pc); if (lib) { Tcl_AppendStringsToObj (objv[0], " from ", lib, (char *) NULL); } } #endif Tcl_ListObjAppendElement (interp, list, objv[0]); } } /* * This section contains a bunch of miscellaneous utility commands */ /* This implements the tcl command gdb_path_conv * * On Windows, it canonicalizes the pathname, * On Unix, it is a no op. * * Arguments: * path * Tcl Result: * The canonicalized path. */ static int gdb_path_conv (clientData, interp, objc, objv) ClientData clientData; Tcl_Interp *interp; int objc; Tcl_Obj *CONST objv[]; { if (objc != 2) error ("wrong # args"); #ifdef __CYGWIN__ { char pathname[256], *ptr; cygwin32_conv_to_full_win32_path (Tcl_GetStringFromObj (objv[1], NULL), pathname); for (ptr = pathname; *ptr; ptr++) { if (*ptr == '\\') *ptr = '/'; } Tcl_SetStringObj (result_ptr->obj_ptr, pathname, -1); } #else Tcl_SetStringObj (result_ptr->obj_ptr, Tcl_GetStringFromObj (objv[1], NULL), -1); #endif return TCL_OK; } /* * This section has utility routines that are not Tcl commands. */ static int perror_with_name_wrapper (args) char * args; { perror_with_name (args); return 1; } /* The lookup_symtab() in symtab.c doesn't work correctly */ /* It will not work will full pathnames and if multiple */ /* source files have the same basename, it will return */ /* the first one instead of the correct one. This version */ /* also always makes sure symtab->fullname is set. */ static struct symtab * full_lookup_symtab(file) char *file; { struct symtab *st; struct objfile *objfile; char *bfile, *fullname; struct partial_symtab *pt; if (!file) return NULL; /* first try a direct lookup */ st = lookup_symtab (file); if (st) { if (!st->fullname) symtab_to_filename(st); return st; } /* if the direct approach failed, try */ /* looking up the basename and checking */ /* all matches with the fullname */ bfile = basename (file); ALL_SYMTABS (objfile, st) { if (!strcmp (bfile, basename(st->filename))) { if (!st->fullname) fullname = symtab_to_filename (st); else fullname = st->fullname; if (!strcmp (file, fullname)) return st; } } /* still no luck? look at psymtabs */ ALL_PSYMTABS (objfile, pt) { if (!strcmp (bfile, basename(pt->filename))) { st = PSYMTAB_TO_SYMTAB (pt); if (st) { fullname = symtab_to_filename (st); if (!strcmp (file, fullname)) return st; } } } return NULL; }