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Diffstat (limited to 'gdb/gdbtk-cmds.c')
| -rw-r--r-- | gdb/gdbtk-cmds.c | 3617 |
1 files changed, 0 insertions, 3617 deletions
diff --git a/gdb/gdbtk-cmds.c b/gdb/gdbtk-cmds.c deleted file mode 100644 index 6527af4..0000000 --- a/gdb/gdbtk-cmds.c +++ /dev/null @@ -1,3617 +0,0 @@ -/* Tcl/Tk command definitions for gdbtk. - Copyright 1994, 1995, 1996, 1997, 1998 Free Software Foundation, Inc. - - Written by Stu Grossman <grossman@cygnus.com> 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 <winuser.h> -#endif - -#include <sys/stat.h> - -#include <tcl.h> -#include <tk.h> -#include <itcl.h> -#include <tix.h> -#include "guitcl.h" -#include "gdbtk.h" - -#ifdef ANSI_PROTOTYPES -#include <stdarg.h> -#else -#include <varargs.h> -#endif -#include <signal.h> -#include <fcntl.h> -#include <unistd.h> -#include <setjmp.h> -#include "top.h" -#include <sys/ioctl.h> -#include "gdb_string.h" -#include "dis-asm.h" -#include <stdio.h> -#include "gdbcmd.h" - -#include "annotate.h" -#include <sys/time.h> - -/* 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[] = {"none", "breakpoint", "hw breakpoint", "until", - "finish", "watchpoint", "hw watchpoint", - "read watchpoint", "acc watchpoint", - "longjmp", "longjmp resume", "step resume", - "sigtramp", "watchpoint scope", - "call dummy", "shlib events", "catch load", - "catch unload", "catch fork", "catch vfork", - "catch exec", "catch catch", "catch throw" -}; -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; - -extern int gdb_variable_init PARAMS ((Tcl_Interp *interp)); - -/* - * Declarations for routines exported from this file - */ - -int Gdbtk_Init (Tcl_Interp *interp); -int call_wrapper PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST [])); - -/* - * 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 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 ((PTR args)); -static void register_changed_p PARAMS ((int, void *)); -static int wrapped_call (PTR 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); - - /* Init variable interface...*/ - if (gdb_variable_init (interp) != TCL_OK) - return TCL_ERROR; - - /* 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. */ - -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) - PTR 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_EMBEDDED_OFFSET(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 - * from_tty - 1 indicates this comes to the console. Pass this to the gdb command. - * 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 - * from_tty - 1 to indicate this is from the console. - * Tcl Result: - * None. - */ - -static int -gdb_immediate_command (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 = 0; - - result_ptr->flags &= ~GDBTK_TO_RESULT; - - execute_command (Tcl_GetStringFromObj (objv[1], NULL), from_tty); - - 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; - - /* Strip off some C++ special symbols, like RTTI and global - constructors/destructors. */ - if ((p->symbol != NULL && !STREQN (SYMBOL_NAME (p->symbol), "__tf", 4) - && !STREQN (SYMBOL_NAME (p->symbol), "_GLOBAL_", 8)) - || p->msymbol != NULL) - { - 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 = SYMBOL_DEMANGLED_NAME (sym); - - if (name) - { - /* strip out "global constructors" and "global destructors" */ - /* because we aren't interested in them. */ - if (strncmp (name, "global ", 7)) - { - /* If the function is overloaded, print out the functions - declaration, not just its name. */ - - 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 - REGISTER_NAME because NUM_REGS may be allocated for the union of - the register sets within a family of related processors. In this - case, some entries of REGISTER_NAME 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 - && REGISTER_NAME (regnum) != NULL - && *REGISTER_NAME (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 - && REGISTER_NAME (regnum) != NULL - && *REGISTER_NAME (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 (REGISTER_NAME (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; - int optim; - - if (format == 'N') - format = 0; - - /* read_relative_register_raw_bytes returns a virtual frame pointer - (FRAME_FP (selected_frame)) if regnum == FP_REGNUM instead - of the real contents of the register. To get around this, - use get_saved_register instead. */ - get_saved_register (raw_buffer, &optim, (CORE_ADDR *) NULL, selected_frame, - regnum, (enum lval_type *) NULL); - if (optim) - { - 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; - char *ptr, buf[1024]; - - strcpy (buf, "0x"); - ptr = buf + 2; - for (j = 0; j < REGISTER_RAW_SIZE (regnum); j++) - { - register int idx = TARGET_BYTE_ORDER == BIG_ENDIAN ? j - : REGISTER_RAW_SIZE (regnum) - 1 - j; - sprintf(ptr, "%02x", (unsigned char)raw_buffer[idx]); - ptr += 2; - } - fputs_filtered (buf, gdb_stdout); - } - else - val_print (REGISTER_VIRTUAL_TYPE (regnum), virtual_buffer, 0, 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 = TARGET_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; - struct symbol *sym; - char *funcname, *fname; - CORE_ADDR pc; - - 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 highlighted. 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; - } - resolve_sal_pc (&sal); - 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)); - - sym = find_pc_function (pc); - if (sym != NULL) - { - fname = SYMBOL_DEMANGLED_NAME (sym); - if (fname) - { - Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, - Tcl_NewStringObj (fname, -1)); - } - else - Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, - Tcl_NewStringObj (SYMBOL_NAME (sym), -1)); - } - else - { - /* find_pc_function will fail if there are only minimal symbols */ - /* so do this instead... */ - find_pc_partial_function (pc, &funcname, NULL, NULL); - /* we try cplus demangling; a guess really */ - 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 = ""; - - /* file name */ - Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, - Tcl_NewStringObj (filename, -1)); - /* line number */ - Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj(sal.line)); - /* PC in current frame */ - sprintf_append_element_to_obj (result_ptr->obj_ptr, "0x%s", paddr_nz(pc)); - /* Real PC */ - sprintf_append_element_to_obj (result_ptr->obj_ptr, "0x%s", paddr_nz(stop_pc)); - - /* shared library */ -#ifdef PC_SOLIB - Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, - Tcl_NewStringObj (PC_SOLIB(pc), -1)); -#else - Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, - Tcl_NewStringObj ("", -1)); -#endif - 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[10000], 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("file_times",\ - "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, 9980, 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, ret, thread = -1; - struct breakpoint *b; - char buf[64], *typestr; - Tcl_DString cmd; - enum bpdisp disp; - - if (objc != 4 && objc != 5) - { - Tcl_SetStringObj (result_ptr->obj_ptr, - "wrong number of args, should be \"filename line type [thread]\"", -1); - 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; - } - - typestr = Tcl_GetStringFromObj( objv[3], NULL); - if (typestr == NULL) - { - result_ptr->flags = GDBTK_IN_TCL_RESULT; - return TCL_ERROR; - } - if (strncmp( typestr, "temp", 4 ) == 0) - disp = del; - else if (strncmp( typestr, "normal", 6 ) == 0) - disp = donttouch; - else - { - Tcl_SetStringObj (result_ptr->obj_ptr, "type must be \"temp\" or \"normal\"", -1); - 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 = bp_breakpoint; - b->disposition = disp; - 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, ret, thread = -1; - long addr; - struct breakpoint *b; - char *filename, *typestr, buf[64]; - Tcl_DString cmd; - enum bpdisp disp; - - if (objc != 4 && objc != 3) - { - Tcl_SetStringObj (result_ptr->obj_ptr, - "wrong number of args, should be \"address type [thread]\"", -1); - return TCL_ERROR; - } - - if (Tcl_GetLongFromObj( interp, objv[1], &addr) == TCL_ERROR) - { - result_ptr->flags = GDBTK_IN_TCL_RESULT; - return TCL_ERROR; - } - - typestr = Tcl_GetStringFromObj( objv[2], NULL); - if (typestr == NULL) - { - result_ptr->flags = GDBTK_IN_TCL_RESULT; - return TCL_ERROR; - } - if (strncmp( typestr, "temp", 4 ) == 0) - disp = del; - else if (strncmp( typestr, "normal", 6 ) == 0) - disp = donttouch; - else - { - Tcl_SetStringObj (result_ptr->obj_ptr, "type must be \"temp\" or \"normal\"", -1); - 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 = bp_breakpoint; - b->disposition = disp; - 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%s", paddr_nz(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 ("<function called from gdb>\n", -1); - Tcl_ListObjAppendElement (interp, list, objv[0]); - return; - } - if (fi->signal_handler_caller) - { - objv[0] = Tcl_NewStringObj ("<signal handler called>\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 = GDBTK_SYMBOL_SOURCE_NAME (msymbol); - funlang = SYMBOL_LANGUAGE (msymbol); - } - else - { - funname = GDBTK_SYMBOL_SOURCE_NAME (func); - funlang = SYMBOL_LANGUAGE (func); - } - } - else - { - struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (fi->pc); - if (msymbol != NULL) - { - funname = GDBTK_SYMBOL_SOURCE_NAME (msymbol); - funlang = SYMBOL_LANGUAGE (msymbol); - } - } - - if (sal.symtab) - { - char *name = NULL; - - objv[0] = Tcl_NewStringObj (funname, -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) - PTR 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; -} - -/* Local variables: */ -/* change-log-default-name: "ChangeLog-gdbtk" */ -/* End: */ |