/* Tcl/Tk interface routines.
- Copyright 1994, 1995 Free Software Foundation, Inc.
+ Copyright 1994, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
Written by Stu Grossman <grossman@cygnus.com> of Cygnus Support.
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "symtab.h"
#include "symfile.h"
#include "objfiles.h"
#include "target.h"
+#include "gdbcore.h"
+#include "tracepoint.h"
+
+#ifdef _WIN32
+#include <winuser.h>
+#endif
+
#include <tcl.h>
#include <tk.h>
+#include <itcl.h>
+#include <tix.h>
+#include "guitcl.h"
+
+#ifdef IDE
+/* start-sanitize-ide */
+#include "event.h"
+#include "idetcl.h"
+#include "ilutk.h"
+/* end-sanitize-ide */
+#endif
+
+#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 <string.h>
+#include "gdb_string.h"
#include "dis-asm.h"
#include <stdio.h>
#include "gdbcmd.h"
+#ifndef WINNT
#ifndef FIOASYNC
#include <sys/stropts.h>
#endif
+#endif
+
+#ifdef __CYGWIN32__
+#include <sys/time.h>
+#endif
+
+#ifdef WINNT
+#define GDBTK_PATH_SEP ";"
+#else
+#define GDBTK_PATH_SEP ":"
+#endif
+
+/* Some versions (1.3.79, 1.3.81) of Linux don't support SIOCSPGRP the way
+ gdbtk wants to use it... */
+#ifdef __linux__
+#undef SIOCSPGRP
+#endif
+
+static int load_in_progress = 0;
+
+int gdbtk_load_hash PARAMS ((char *, unsigned long));
+int (*ui_load_progress_hook) PARAMS ((char *, unsigned long));
+void (*pre_add_symbol_hook) PARAMS ((char *));
+void (*post_add_symbol_hook) PARAMS ((void));
+
+static void null_routine PARAMS ((int));
+static void gdbtk_flush PARAMS ((FILE *));
+static void gdbtk_fputs PARAMS ((const char *, FILE *));
+static int gdbtk_query PARAMS ((const char *, va_list));
+static char *gdbtk_readline PARAMS ((char *));
+static void gdbtk_init PARAMS ((char *));
+static void tk_command_loop PARAMS ((void));
+static void gdbtk_call_command PARAMS ((struct cmd_list_element *, char *, int));
+static int gdbtk_wait PARAMS ((int, struct target_waitstatus *));
+static void x_event PARAMS ((int));
+static void gdbtk_interactive PARAMS ((void));
+static void cleanup_init PARAMS ((int));
+static void tk_command PARAMS ((char *, int));
+static int gdb_disassemble PARAMS ((ClientData, Tcl_Interp *, int, char *[]));
+static int compare_lines PARAMS ((const PTR, const PTR));
+static int gdbtk_dis_asm_read_memory PARAMS ((bfd_vma, bfd_byte *, int, disassemble_info *));
+static int gdb_path_conv PARAMS ((ClientData, Tcl_Interp *, int, char *[]));
+static int gdb_stop PARAMS ((ClientData, Tcl_Interp *, int, char *[]));
+static int gdb_confirm_quit PARAMS ((ClientData, Tcl_Interp *, int, char *[]));
+static int gdb_force_quit PARAMS ((ClientData, Tcl_Interp *, int, char *[]));
+static int gdb_listfiles PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[]));
+static int gdb_listfuncs PARAMS ((ClientData, Tcl_Interp *, int, char *[]));
+static int call_wrapper PARAMS ((ClientData, Tcl_Interp *, int, char *[]));
+static int gdb_cmd PARAMS ((ClientData, Tcl_Interp *, int, char *argv[]));
+static int gdb_immediate_command PARAMS ((ClientData, Tcl_Interp *, int, char *argv[]));
+static int gdb_fetch_registers PARAMS ((ClientData, Tcl_Interp *, int, char *[]));
+static void gdbtk_readline_end PARAMS ((void));
+static int gdb_changed_register_list PARAMS ((ClientData, Tcl_Interp *, int, char *[]));
+static void register_changed_p PARAMS ((int, void *));
+static int gdb_get_breakpoint_list PARAMS ((ClientData, Tcl_Interp *, int, char *[]));
+static int gdb_get_breakpoint_info PARAMS ((ClientData, Tcl_Interp *, int, char *[]));
+static void breakpoint_notify PARAMS ((struct breakpoint *, const char *));
+static void gdbtk_create_breakpoint PARAMS ((struct breakpoint *));
+static void gdbtk_delete_breakpoint PARAMS ((struct breakpoint *));
+static void gdbtk_modify_breakpoint PARAMS ((struct breakpoint *));
+static int gdb_loc PARAMS ((ClientData, Tcl_Interp *, int, char *[]));
+static int gdb_eval PARAMS ((ClientData, Tcl_Interp *, int, char *[]));
+static int gdb_sourcelines PARAMS ((ClientData, Tcl_Interp *, int, char *[]));
+static int map_arg_registers PARAMS ((int, char *[], void (*) (int, void *), void *));
+static void get_register_name PARAMS ((int, void *));
+static int gdb_regnames PARAMS ((ClientData, Tcl_Interp *, int, char *[]));
+static void get_register PARAMS ((int, void *));
+static int gdb_target_has_execution_command PARAMS ((ClientData, Tcl_Interp *, int, char *argv[]));
+static int gdb_load_info PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[]));
+void TclDebug PARAMS ((const char *fmt, ...));
+static int gdb_get_vars_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_file_command PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[]));
+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 gdb_actions_command PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[]));
+static int gdb_prompt_command PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[]));
+static int gdb_find_file_command PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[]));
+static char *find_file_in_dir PARAMS ((char *));
+static int gdb_get_tracepoint_list PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[]));
+static void gdbtk_create_tracepoint PARAMS ((struct tracepoint *));
+static void gdbtk_delete_tracepoint PARAMS ((struct tracepoint *));
+static void gdbtk_modify_tracepoint PARAMS ((struct tracepoint *));
+static void tracepoint_notify PARAMS ((struct tracepoint *, const char *));
+static void gdbtk_print_frame_info PARAMS ((struct symtab *, int, int, int));
+void gdbtk_pre_add_symbol PARAMS ((char *));
+void gdbtk_post_add_symbol PARAMS ((void));
/* Handle for TCL interpreter */
-static Tcl_Interp *interp = NULL;
-/* Handle for TK main window */
-static Tk_Window mainWindow = NULL;
+static Tcl_Interp *interp = NULL;
+#ifndef WINNT
static int x_fd; /* X network socket */
+#endif
-/* This variable determines where memory used for disassembly is read from.
+#ifdef __CYGWIN32__
- If > 0, then disassembly comes from the exec file rather than the target
- (which might be at the other end of a slow serial link). If == 0 then
- disassembly comes from target. If < 0 disassembly is automatically switched
- to the target if it's an inferior process, otherwise the exec file is
- used.
- */
+/* On Windows we use timer interrupts when gdb might otherwise hang
+ for a long time. See the comment above gdbtk_start_timer. This
+ variable is true when timer interrupts are being used. */
+
+static int gdbtk_timer_going = 0;
+
+static void gdbtk_start_timer PARAMS ((void));
+static void gdbtk_stop_timer PARAMS ((void));
+
+#endif
+
+/* This variable is true when the inferior is running. Although it's
+ possible to disable most input from widgets and thus prevent
+ attempts to do anything while the inferior is running, any commands
+ that get through - even a simple memory read - are Very Bad, and
+ may cause GDB to crash or behave strangely. So, this variable
+ provides an extra layer of defense. */
+
+static int running_now;
+
+/* This variable determines where memory used for disassembly is read from.
+ If > 0, then disassembly comes from the exec file rather than the
+ target (which might be at the other end of a slow serial link). If
+ == 0 then disassembly comes from target. If < 0 disassembly is
+ automatically switched to the target if it's an inferior process,
+ otherwise the exec file is used. */
static int disassemble_from_exec = -1;
+#ifndef _WIN32
+
+/* Supply malloc calls for tcl/tk. We do not want to do this on
+ Windows, because Tcl_Alloc is probably in a DLL which will not call
+ the mmalloc routines. */
+
+char *
+Tcl_Alloc (size)
+ unsigned int size;
+{
+ return xmalloc (size);
+}
+
+char *
+Tcl_Realloc (ptr, size)
+ char *ptr;
+ unsigned int size;
+{
+ return xrealloc (ptr, size);
+}
+
+void
+Tcl_Free(ptr)
+ char *ptr;
+{
+ free (ptr);
+}
+
+#endif /* ! _WIN32 */
+
static void
null_routine(arg)
int arg;
{
}
+#ifdef _WIN32
+
+/* On Windows, if we hold a file open, other programs can't write to
+ it. In particular, we don't want to hold the executable open,
+ because it will mean that people have to get out of the debugging
+ session in order to remake their program. So we close it, although
+ this will cost us if and when we need to reopen it. */
+
+static void
+close_bfds ()
+{
+ struct objfile *o;
+
+ ALL_OBJFILES (o)
+ {
+ if (o->obfd != NULL)
+ bfd_cache_close (o->obfd);
+ }
+
+ if (exec_bfd != NULL)
+ bfd_cache_close (exec_bfd);
+}
+
+#endif /* _WIN32 */
+
/* The following routines deal with stdout/stderr data, which is created by
{f}printf_{un}filtered and friends. gdbtk_fputs and gdbtk_flush are the
lowest level of these routines and capture all output from the rest of GDB.
get_saved_output (but this must be done before the call to
finish_saving_output). */
-/* Dynamic string header for stdout. */
+/* Dynamic string for output. */
static Tcl_DString *result_ptr;
+
+/* Dynamic string for stderr. This is only used if result_ptr is
+ NULL. */
+
+static Tcl_DString *error_string_ptr;
\f
static void
gdbtk_flush (stream)
FILE *stream;
{
if (result_ptr)
- Tcl_DStringAppend (result_ptr, (char *)ptr, -1);
+ Tcl_DStringAppend (result_ptr, (char *) ptr, -1);
+ else if (error_string_ptr != NULL && stream == gdb_stderr)
+ Tcl_DStringAppend (error_string_ptr, (char *) ptr, -1);
else
{
Tcl_DString str;
Tcl_DStringAppend (&str, "gdbtk_tcl_fputs", -1);
Tcl_DStringAppendElement (&str, (char *)ptr);
- Tcl_Eval (interp, Tcl_DStringValue (&str));
+ Tcl_Eval (interp, Tcl_DStringValue (&str));
Tcl_DStringFree (&str);
}
}
static int
-gdbtk_query (args)
+gdbtk_query (query, args)
+ const char *query;
va_list args;
{
- char *query;
- char buf[200];
+ char buf[200], *merge[2];
+ char *command;
long val;
- query = va_arg (args, char *);
-
vsprintf (buf, query, args);
- Tcl_VarEval (interp, "gdbtk_tcl_query ", "{", buf, "}", NULL);
+ merge[0] = "gdbtk_tcl_query";
+ merge[1] = buf;
+ command = Tcl_Merge (2, merge);
+ Tcl_Eval (interp, command);
+ Tcl_Free (command);
val = atol (interp->result);
return val;
}
+
+/* VARARGS */
+static void
+#ifdef ANSI_PROTOTYPES
+gdbtk_readline_begin (char *format, ...)
+#else
+gdbtk_readline_begin (va_alist)
+ va_dcl
+#endif
+{
+ va_list args;
+ char buf[200], *merge[2];
+ char *command;
+
+#ifdef ANSI_PROTOTYPES
+ va_start (args, format);
+#else
+ char *format;
+ va_start (args);
+ format = va_arg (args, char *);
+#endif
+
+ vsprintf (buf, format, args);
+ merge[0] = "gdbtk_tcl_readline_begin";
+ merge[1] = buf;
+ command = Tcl_Merge (2, merge);
+ Tcl_Eval (interp, command);
+ free (command);
+}
+
+static char *
+gdbtk_readline (prompt)
+ char *prompt;
+{
+ char *merge[2];
+ char *command;
+ int result;
+
+#ifdef _WIN32
+ close_bfds ();
+#endif
+
+ merge[0] = "gdbtk_tcl_readline";
+ merge[1] = prompt;
+ command = Tcl_Merge (2, merge);
+ result = Tcl_Eval (interp, command);
+ free (command);
+ if (result == TCL_OK)
+ {
+ return (strdup (interp -> result));
+ }
+ else
+ {
+ gdbtk_fputs (interp -> result, gdb_stdout);
+ gdbtk_fputs ("\n", gdb_stdout);
+ return (NULL);
+ }
+}
+
+static void
+gdbtk_readline_end ()
+{
+ Tcl_Eval (interp, "gdbtk_tcl_readline_end");
+}
+
\f
static void
+#ifdef ANSI_PROTOTYPES
+dsprintf_append_element (Tcl_DString *dsp, char *format, ...)
+#else
dsprintf_append_element (va_alist)
va_dcl
+#endif
{
va_list args;
+ char buf[1024];
+
+#ifdef ANSI_PROTOTYPES
+ va_start (args, format);
+#else
Tcl_DString *dsp;
char *format;
- char buf[1024];
va_start (args);
-
dsp = va_arg (args, Tcl_DString *);
format = va_arg (args, char *);
+#endif
vsprintf (buf, format, args);
Tcl_DStringAppendElement (dsp, buf);
}
+static int
+gdb_path_conv (clientData, interp, argc, argv)
+ ClientData clientData;
+ Tcl_Interp *interp;
+ int argc;
+ char *argv[];
+{
+#ifdef WINNT
+ char pathname[256], *ptr;
+ if (argc != 2)
+ error ("wrong # args");
+ cygwin32_conv_to_full_win32_path (argv[1], pathname);
+ for (ptr = pathname; *ptr; ptr++)
+ {
+ if (*ptr == '\\')
+ *ptr = '/';
+ }
+#else
+ char *pathname = argv[1];
+#endif
+ Tcl_DStringAppend (result_ptr, pathname, strlen(pathname));
+ return TCL_OK;
+}
+
static int
gdb_get_breakpoint_list (clientData, interp, argc, argv)
ClientData clientData;
"longjmp", "longjmp resume", "step resume",
"through sigtramp", "watchpoint scope",
"call dummy" };
- static char *bpdisp[] = {"delete", "disable", "donttouch"};
+ static char *bpdisp[] = {"delete", "delstop", "disable", "donttouch"};
struct command_line *cmd;
int bpnum;
struct breakpoint *b;
extern struct breakpoint *breakpoint_chain;
-
+ char *funcname, *filename;
+
if (argc != 2)
error ("wrong # args");
sal = find_pc_line (b->address, 0);
- Tcl_DStringAppendElement (result_ptr, symtab_to_filename (sal.symtab));
+ filename = symtab_to_filename (sal.symtab);
+ if (filename == NULL)
+ filename = "";
+ Tcl_DStringAppendElement (result_ptr, filename);
+ find_pc_partial_function (b->address, &funcname, NULL, NULL);
+ Tcl_DStringAppendElement (result_ptr, funcname);
dsprintf_append_element (result_ptr, "%d", sal.line);
dsprintf_append_element (result_ptr, "0x%lx", b->address);
Tcl_DStringAppendElement (result_ptr, bptypes[b->type]);
Tcl_DStringAppendElement (result_ptr, b->enable == enabled ? "1" : "0");
Tcl_DStringAppendElement (result_ptr, bpdisp[b->disposition]);
- dsprintf_append_element (result_ptr, "%d", b->silent);
dsprintf_append_element (result_ptr, "%d", b->ignore_count);
Tcl_DStringStartSublist (result_ptr);
struct breakpoint *b;
const char *action;
{
- char buf[100];
+ char buf[256];
int v;
+ struct symtab_and_line sal;
+ char *filename;
if (b->type != bp_breakpoint)
return;
- sprintf (buf, "gdbtk_tcl_breakpoint %s %d", action, b->number);
+ /* We ensure that ACTION contains no special Tcl characters, so we
+ can do this. */
+ sal = find_pc_line (b->address, 0);
+ filename = symtab_to_filename (sal.symtab);
+ if (filename == NULL)
+ filename = "N/A";
+ sprintf (buf, "gdbtk_tcl_breakpoint %s %d 0x%lx %d {%s}", action, b->number,
+ (long)b->address, sal.line, filename);
v = Tcl_Eval (interp, buf);
char *funcname;
CORE_ADDR pc;
+ if (!have_full_symbols () && !have_partial_symbols ())
+ {
+ Tcl_SetResult (interp, "No symbol table is loaded", TCL_STATIC);
+ return TCL_ERROR;
+ }
+
if (argc == 1)
{
- pc = selected_frame ? selected_frame->pc : stop_pc;
- sal = find_pc_line (pc, 0);
+ if (selected_frame)
+ {
+ sal = find_pc_line (selected_frame->pc,
+ selected_frame->next != NULL
+ && !selected_frame->next->signal_handler_caller
+ && !frame_in_dummy (selected_frame->next));
+ }
+ else
+ sal = find_pc_line (stop_pc, 0);
}
else if (argc == 2)
{
if (sals.nelts != 1)
error ("Ambiguous line spec");
-
- pc = sal.pc;
}
else
error ("wrong # args");
+ pc = sal.pc;
if (sal.symtab)
Tcl_DStringAppendElement (result_ptr, sal.symtab->filename);
else
Tcl_DStringAppendElement (result_ptr, funcname);
filename = symtab_to_filename (sal.symtab);
- Tcl_DStringAppendElement (result_ptr, filename);
+ if (filename == NULL)
+ filename = "N/A";
+ Tcl_DStringAppendElement (result_ptr, filename);
dsprintf_append_element (result_ptr, "%d", sal.line); /* line number */
-
- dsprintf_append_element (result_ptr, "0x%lx", pc); /* PC */
-
+ dsprintf_append_element (result_ptr, "0x%s", paddr_nz(pc)); /* PC in current frame */
+ dsprintf_append_element (result_ptr, "0x%s", paddr_nz(stop_pc)); /* Real PC */
return TCL_OK;
}
\f
return TCL_OK;
}
-\f
+
+/* gdb_get_mem addr form size num aschar*/
+/* dump a block of memory */
+/* 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 'size' elements to return */
+/* acshar: an optional ascii character to use in ASCII dump */
+/* returns a list of 'num' elements followed by an optional */
+/* ASCII dump */
+static int
+gdb_get_mem (clientData, interp, argc, argv)
+ ClientData clientData;
+ Tcl_Interp *interp;
+ int argc;
+ char *argv[];
+{
+ int size, asize, num, i, j;
+ CORE_ADDR addr, saved_addr, ptr;
+ int format;
+ struct type *val_type;
+ value_ptr vptr;
+ char c, buff[128], aschar;
+
+ if (argc != 6)
+ error ("wrong # args");
+
+ addr = (CORE_ADDR)strtoul(argv[1],(char **)NULL,0);
+ saved_addr = addr;
+ format = *argv[2];
+ size = (int)strtoul(argv[3],(char **)NULL,0);
+ num = (int)strtoul(argv[4],(char **)NULL,0);
+ aschar = *argv[5];
+
+ 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';
+ }
+
+ for (i=0; i < num; i++)
+ {
+ vptr = value_at (val_type, addr, (asection *)NULL);
+ print_scalar_formatted (VALUE_CONTENTS(vptr), val_type, format, asize, gdb_stdout);
+ fputs_unfiltered (" ", gdb_stdout);
+ addr += size;
+ }
+
+ if (aschar)
+ {
+ val_type = builtin_type_char;
+ ptr = saved_addr;
+ buff[0] = '"';
+ i = 1;
+ for (j=0; j < num*size; j++)
+ {
+ c = *(char *)VALUE_CONTENTS(value_at (val_type, ptr, (asection *)NULL));
+ if (c < 32 || c > 126)
+ c = aschar;
+ if (c == '"')
+ buff[i++] = '\\';
+ buff[i++] = c;
+ ptr++;
+ }
+ buff[i++] = '"';
+ buff[i] = 0;
+ fputs_unfiltered (buff, gdb_stdout);
+ }
+
+ return TCL_OK;
+}
+
+
/* This implements the TCL command `gdb_sourcelines', which returns a list of
all of the lines containing executable code for the specified source file
(ie: lines where you can put breakpoints). */
argc--;
argv++;
- return map_arg_registers (argc, argv, get_register_name, 0);
+ return map_arg_registers (argc, argv, get_register_name, NULL);
}
#ifndef REGISTER_CONVERTIBLE
else
memcpy (virtual_buffer, raw_buffer, REGISTER_VIRTUAL_SIZE (regnum));
- val_print (REGISTER_VIRTUAL_TYPE (regnum), virtual_buffer, 0,
- gdb_stdout, format, 1, 0, Val_pretty_default);
+ if (format == 'r')
+ {
+ int j;
+ printf_filtered ("0x");
+ for (j = 0; j < REGISTER_RAW_SIZE (regnum); j++)
+ {
+ register int idx = TARGET_BYTE_ORDER == BIG_ENDIAN ? j
+ : REGISTER_RAW_SIZE (regnum) - 1 - j;
+ printf_filtered ("%02x", (unsigned char)raw_buffer[idx]);
+ }
+ }
+ else
+ val_print (REGISTER_VIRTUAL_TYPE (regnum), virtual_buffer, 0,
+ gdb_stdout, format, 1, 0, Val_pretty_default);
Tcl_DStringAppend (result_ptr, " ", -1);
}
argc--;
format = **argv++;
- return map_arg_registers (argc, argv, get_register, format);
+ return map_arg_registers (argc, argv, get_register, (void *) format);
}
/* This contains the previous values of the registers, since the last call to
void *argp; /* Ignored */
{
char raw_buffer[MAX_REGISTER_RAW_SIZE];
- char buf[100];
if (read_relative_register_raw_bytes (regnum, raw_buffer))
return;
REGISTER_RAW_SIZE (regnum)) == 0)
return;
- /* Found a changed register. Save new value and return it's number. */
+ /* Found a changed register. Save new value and return its number. */
memcpy (&old_regs[REGISTER_BYTE (regnum)], raw_buffer,
REGISTER_RAW_SIZE (regnum));
return map_arg_registers (argc, argv, register_changed_p, NULL);
}
\f
-/* This implements the TCL command `gdb_cmd', which sends it's argument into
+/* This implements the tcl command "gdb_immediate", which does exactly
+ the same thing as gdb_cmd, except NONE of its outut is buffered. */
+static int
+gdb_immediate_command (clientData, interp, argc, argv)
+ ClientData clientData;
+ Tcl_Interp *interp;
+ int argc;
+ char *argv[];
+{
+ Tcl_DString *save_ptr = NULL;
+
+ if (argc != 2)
+ error ("wrong # args");
+
+ if (running_now)
+ return TCL_OK;
+
+ Tcl_DStringAppend (result_ptr, "", -1);
+ save_ptr = result_ptr;
+ result_ptr = NULL;
+
+ execute_command (argv[1], 1);
+
+ bpstat_do_actions (&stop_bpstat);
+
+ result_ptr = save_ptr;
+
+ return TCL_OK;
+}
+
+/* This implements the TCL command `gdb_cmd', which sends its argument into
the GDB command scanner. */
static int
int argc;
char *argv[];
{
+ Tcl_DString *save_ptr = NULL;
+
if (argc != 2)
error ("wrong # args");
+ if (running_now)
+ return TCL_OK;
+
+ /* for the load instruction (and possibly others later) we
+ set result_ptr to NULL so gdbtk_fputs() will not buffer
+ all the data until the command is finished. */
+
+ if (strncmp ("load ", argv[1], 5) == 0
+ || strncmp ("while ", argv[1], 6) == 0)
+ {
+ Tcl_DStringAppend (result_ptr, "", -1);
+ save_ptr = result_ptr;
+ result_ptr = NULL;
+ load_in_progress = 1;
+
+ /* On Windows, use timer interrupts so that the user can cancel
+ the download. FIXME: We may have to do something on other
+ systems. */
+#ifdef __CYGWIN32__
+ gdbtk_start_timer ();
+#endif
+ }
+
execute_command (argv[1], 1);
+#ifdef __CYGWIN32__
+ if (load_in_progress)
+ gdbtk_stop_timer ();
+#endif
+
+ load_in_progress = 0;
bpstat_do_actions (&stop_bpstat);
+
+ if (save_ptr)
+ result_ptr = save_ptr;
return TCL_OK;
}
+/* Client of call_wrapper - this routine performs the actual call to
+ the client function. */
+
+struct wrapped_call_args
+{
+ Tcl_Interp *interp;
+ Tcl_CmdProc *func;
+ int argc;
+ char **argv;
+ int val;
+};
+
+static int
+wrapped_call (args)
+ struct wrapped_call_args *args;
+{
+ args->val = (*args->func) (args->func, args->interp, args->argc, args->argv);
+ return 1;
+}
+
/* This routine acts as a top-level for all GDB code called by tcl/Tk. It
handles cleanups, and calls to return_to_top_level (usually via error).
This is necessary in order to prevent a longjmp out of the bowels of Tk,
int argc;
char *argv[];
{
- int val;
- struct cleanup *saved_cleanup_chain;
- Tcl_CmdProc *func;
- jmp_buf saved_error_return;
+ struct wrapped_call_args wrapped_args;
Tcl_DString result, *old_result_ptr;
+ Tcl_DString error_string, *old_error_string_ptr;
Tcl_DStringInit (&result);
old_result_ptr = result_ptr;
result_ptr = &result;
- func = (Tcl_CmdProc *)clientData;
- memcpy (saved_error_return, error_return, sizeof (jmp_buf));
+ Tcl_DStringInit (&error_string);
+ old_error_string_ptr = error_string_ptr;
+ error_string_ptr = &error_string;
- saved_cleanup_chain = save_cleanups ();
+ wrapped_args.func = (Tcl_CmdProc *)clientData;
+ wrapped_args.interp = interp;
+ wrapped_args.argc = argc;
+ wrapped_args.argv = argv;
+ wrapped_args.val = 0;
- if (!setjmp (error_return))
- val = func (clientData, interp, argc, argv);
- else
+ if (!catch_errors (wrapped_call, &wrapped_args, "", RETURN_MASK_ALL))
{
- val = TCL_ERROR; /* Flag an error for TCL */
+ wrapped_args.val = TCL_ERROR; /* Flag an error for TCL */
- gdb_flush (gdb_stderr); /* Flush error output */
+#ifdef __CYGWIN32__
+ /* Make sure the timer interrupts are turned off. */
+ if (gdbtk_timer_going)
+ gdbtk_stop_timer ();
+#endif
+ 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. */
+ /* 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. */
- Tcl_VarEval (interp, "gdbtk_tcl_idle", NULL);
+ running_now = 0;
+ Tcl_Eval (interp, "gdbtk_tcl_idle");
}
- do_cleanups (ALL_CLEANUPS);
+ /* if the download was cancelled, don't print the error */
+ if (load_in_progress)
+ {
+ Tcl_DStringInit (&error_string);
+ wrapped_args.val = TCL_OK;
+ load_in_progress = 0;
+ }
- restore_cleanups (saved_cleanup_chain);
+ if (Tcl_DStringLength (&error_string) == 0)
+ {
+ Tcl_DStringResult (interp, &result);
+ Tcl_DStringFree (&error_string);
+ }
+ else if (Tcl_DStringLength (&result) == 0)
+ {
+ Tcl_DStringResult (interp, &error_string);
+ Tcl_DStringFree (&result);
+ Tcl_DStringFree (&error_string);
+ }
+ else
+ {
+ Tcl_ResetResult (interp);
+ Tcl_AppendResult (interp, Tcl_DStringValue (&result),
+ Tcl_DStringValue (&error_string), (char *) NULL);
+ Tcl_DStringFree (&result);
+ Tcl_DStringFree (&error_string);
+ }
+
+ result_ptr = old_result_ptr;
+ error_string_ptr = old_error_string_ptr;
- memcpy (error_return, saved_error_return, sizeof (jmp_buf));
+#ifdef _WIN32
+ close_bfds ();
+#endif
- Tcl_DStringResult (interp, &result);
- result_ptr = old_result_ptr;
+ return wrapped_args.val;
+}
- return val;
+static int
+comp_files (file1, file2)
+ const char *file1[], *file2[];
+{
+ return strcmp(*file1,*file2);
}
+
static int
-gdb_listfiles (clientData, interp, argc, argv)
- ClientData clientData;
- Tcl_Interp *interp;
- int argc;
- char *argv[];
+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, *files[1000];
+ int i, numfiles = 0, len = 0;
+ Tcl_Obj *mylist;
+
+ 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);
+
+ mylist = Tcl_NewListObj (0, NULL);
ALL_PSYMTABS (objfile, psymtab)
- Tcl_DStringAppendElement (result_ptr, psymtab->filename);
+ {
+ if (len == 0)
+ {
+ if (psymtab->filename)
+ files[numfiles++] = basename(psymtab->filename);
+ }
+ else if (!strcmp(psymtab->filename,basename(psymtab->filename))
+ || !strncmp(pathname,psymtab->filename,len))
+ if (psymtab->filename)
+ files[numfiles++] = basename(psymtab->filename);
+ }
ALL_SYMTABS (objfile, symtab)
- Tcl_DStringAppendElement (result_ptr, symtab->filename);
+ {
+ if (len == 0)
+ {
+ if (symtab->filename)
+ files[numfiles++] = basename(symtab->filename);
+ }
+ else if (!strcmp(symtab->filename,basename(symtab->filename))
+ || !strncmp(pathname,symtab->filename,len))
+ if (symtab->filename)
+ files[numfiles++] = basename(symtab->filename);
+ }
+ qsort (files, numfiles, sizeof(char *), comp_files);
+
+ lastfile = "";
+ for (i = 0; i < numfiles; i++)
+ {
+ if (strcmp(files[i],lastfile))
+ Tcl_ListObjAppendElement (interp, mylist, Tcl_NewStringObj(files[i], -1));
+ lastfile = files[i];
+ }
+ Tcl_SetObjResult (interp, mylist);
return TCL_OK;
}
static int
-gdb_stop (clientData, interp, argc, argv)
+gdb_listfuncs (clientData, interp, argc, argv)
ClientData clientData;
Tcl_Interp *interp;
int argc;
char *argv[];
{
- target_stop ();
+ struct symtab *symtab;
+ struct blockvector *bv;
+ struct block *b;
+ struct symbol *sym;
+ int i,j;
+
+ if (argc != 2)
+ error ("wrong # args");
+
+ symtab = lookup_symtab (argv[1]);
+
+ if (!symtab)
+ error ("No such file");
+ 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)
+ {
+ Tcl_DStringAppendElement (result_ptr, SYMBOL_NAME(sym));
+ }
+ }
+ }
return TCL_OK;
}
-\f
-/* This implements the TCL command `gdb_disassemble'. */
static int
-gdbtk_dis_asm_read_memory (memaddr, myaddr, len, info)
- bfd_vma memaddr;
+gdb_stop (clientData, interp, argc, argv)
+ ClientData clientData;
+ Tcl_Interp *interp;
+ int argc;
+ char *argv[];
+{
+ if (target_stop)
+ target_stop ();
+ else
+ quit_flag = 1; /* hope something sees this */
+
+ return TCL_OK;
+}
+
+/* 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. */
+
+static int
+gdb_clear_file (clientData, interp, argc, argv)
+ ClientData clientData;
+ Tcl_Interp *interp;
+ int argc;
+ char *argv[];
+{
+ 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;
+}
+
+/* Ask the user to confirm an exit request. */
+
+static int
+gdb_confirm_quit (clientData, interp, argc, argv)
+ ClientData clientData;
+ Tcl_Interp *interp;
+ int argc;
+ char *argv[];
+{
+ int ret;
+
+ ret = quit_confirm ();
+ Tcl_DStringAppendElement (result_ptr, ret ? "1" : "0");
+ return TCL_OK;
+}
+
+/* Quit without asking for confirmation. */
+
+static int
+gdb_force_quit (clientData, interp, argc, argv)
+ ClientData clientData;
+ Tcl_Interp *interp;
+ int argc;
+ char *argv[];
+{
+ quit_force ((char *) NULL, 1);
+ return TCL_OK;
+}
+\f
+/* This implements the TCL command `gdb_disassemble'. */
+
+static int
+gdbtk_dis_asm_read_memory (memaddr, myaddr, len, info)
+ bfd_vma memaddr;
bfd_byte *myaddr;
int len;
disassemble_info *info;
{
CORE_ADDR pc, low, high;
int mixed_source_and_assembly;
- static disassemble_info di = {
- (fprintf_ftype) fprintf_filtered, /* fprintf_func */
- gdb_stdout, /* stream */
- NULL, /* application_data */
- 0, /* flags */
- NULL, /* private_data */
- NULL, /* read_memory_func */
- dis_asm_memory_error, /* memory_error_func */
- dis_asm_print_address /* print_address_func */
- };
+ static disassemble_info di;
+ static int di_initialized;
+
+ if (! di_initialized)
+ {
+ INIT_DISASSEMBLE_INFO_NO_ARCH (di, gdb_stdout,
+ (fprintf_ftype) fprintf_unfiltered);
+ di.flavour = bfd_target_unknown_flavour;
+ di.memory_error_func = dis_asm_memory_error;
+ di.print_address_func = dis_asm_print_address;
+ di_initialized = 1;
+ }
+
+ di.mach = tm_print_insn_info.mach;
+ if (TARGET_BYTE_ORDER == BIG_ENDIAN)
+ di.endian = BFD_ENDIAN_BIG;
+ else
+ di.endian = BFD_ENDIAN_LITTLE;
if (argc != 3 && argc != 4)
error ("wrong # args");
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 it's
+ exec file for speed. However, this is no good if the target modifies its
code (for relocation, or whatever).
*/
char *result;
struct cleanup *old_chain;
+ /* Catch case of no argument, since this will make the tcl interpreter dump core. */
+ if (cmd == NULL)
+ error_no_arg ("tcl command to interpret");
+
retval = Tcl_Eval (interp, cmd);
result = strdup (interp->result);
cleanup_init (ignored)
int ignored;
{
- if (mainWindow != NULL)
- Tk_DestroyWindow (mainWindow);
- mainWindow = NULL;
-
if (interp != NULL)
Tcl_DeleteInterp (interp);
interp = NULL;
{
/* Process pending events */
- while (Tk_DoOneEvent (TK_DONT_WAIT|TK_ALL_EVENTS) != 0);
+ while (Tcl_DoOneEvent (TCL_DONT_WAIT|TCL_ALL_EVENTS) != 0)
+ ;
+
+ /* If we are doing a download, see if the download should be
+ cancelled. FIXME: We should use a better variable name. */
+ if (load_in_progress)
+ {
+ char *val;
+
+ val = Tcl_GetVar (interp, "download_cancel_ok", TCL_GLOBAL_ONLY);
+ if (val != NULL && atoi (val))
+ {
+ quit_flag = 1;
+#ifdef REQUEST_QUIT
+ REQUEST_QUIT;
+#else
+ if (immediate_quit)
+ quit ();
+#endif
+ }
+ }
}
+#ifdef __CYGWIN32__
+
+/* For Cygwin32, we use a timer to periodically check for Windows
+ messages. FIXME: It would be better to not poll, but to instead
+ rewrite the target_wait routines to serve as input sources.
+ Unfortunately, that will be a lot of work. */
+
+static void
+gdbtk_start_timer ()
+{
+ sigset_t nullsigmask;
+ struct sigaction action;
+ struct itimerval it;
+
+ sigemptyset (&nullsigmask);
+
+ action.sa_handler = x_event;
+ action.sa_mask = nullsigmask;
+ action.sa_flags = 0;
+ sigaction (SIGALRM, &action, NULL);
+
+ it.it_interval.tv_sec = 0;
+ /* Check for messages twice a second. */
+ it.it_interval.tv_usec = 500 * 1000;
+ it.it_value.tv_sec = 0;
+ it.it_value.tv_usec = 500 * 1000;
+
+ setitimer (ITIMER_REAL, &it, NULL);
+
+ gdbtk_timer_going = 1;
+}
+
+static void
+gdbtk_stop_timer ()
+{
+ sigset_t nullsigmask;
+ struct sigaction action;
+ struct itimerval it;
+
+ gdbtk_timer_going = 0;
+
+ sigemptyset (&nullsigmask);
+
+ action.sa_handler = SIG_IGN;
+ action.sa_mask = nullsigmask;
+ action.sa_flags = 0;
+ sigaction (SIGALRM, &action, NULL);
+
+ it.it_interval.tv_sec = 0;
+ it.it_interval.tv_usec = 0;
+ it.it_value.tv_sec = 0;
+ it.it_value.tv_usec = 0;
+ setitimer (ITIMER_REAL, &it, NULL);
+}
+
+#endif
+
+/* This hook function is called whenever we want to wait for the
+ target. */
+
static int
gdbtk_wait (pid, ourstatus)
int pid;
struct target_waitstatus *ourstatus;
{
+#ifndef WINNT
struct sigaction action;
static sigset_t nullsigmask = {0};
+
#ifndef SA_RESTART
/* Needed for SunOS 4.1.x */
#define SA_RESTART 0
action.sa_mask = nullsigmask;
action.sa_flags = SA_RESTART;
sigaction(SIGIO, &action, NULL);
+#endif /* WINNT */
+
+#ifdef __CYGWIN32__
+ /* Call x_event ourselves now, as well as starting the timer;
+ otherwise, if single stepping, we may never wait long enough for
+ the timer to trigger. */
+ x_event (SIGALRM);
+
+ gdbtk_start_timer ();
+#endif
pid = target_wait (pid, ourstatus);
+#ifdef __CYGWIN32__
+ gdbtk_stop_timer ();
+#endif
+
+#ifndef WINNT
action.sa_handler = SIG_IGN;
- sigaction(SIGIO, &action, NULL);
+ sigaction(SIGIO, &action, NULL);
+#endif
return pid;
}
char *arg;
int from_tty;
{
- if (cmdblk->class == class_run)
+ running_now = 0;
+ if (cmdblk->class == class_run || cmdblk->class == class_trace)
{
- Tcl_VarEval (interp, "gdbtk_tcl_busy", NULL);
+ running_now = 1;
+ Tcl_Eval (interp, "gdbtk_tcl_busy");
(*cmdblk->function.cfunc)(arg, from_tty);
- Tcl_VarEval (interp, "gdbtk_tcl_idle", NULL);
+ running_now = 0;
+ Tcl_Eval (interp, "gdbtk_tcl_idle");
}
else
(*cmdblk->function.cfunc)(arg, from_tty);
}
+/* This function is called instead of gdb's internal command loop. This is the
+ last chance to do anything before entering the main Tk event loop. */
+
static void
-gdbtk_init ()
+tk_command_loop ()
+{
+ extern GDB_FILE *instream;
+
+ /* We no longer want to use stdin as the command input stream */
+ instream = NULL;
+
+ if (Tcl_Eval (interp, "gdbtk_tcl_preloop") != TCL_OK)
+ {
+ char *msg;
+
+ /* Force errorInfo to be set up propertly. */
+ Tcl_AddErrorInfo (interp, "");
+
+ msg = Tcl_GetVar (interp, "errorInfo", TCL_GLOBAL_ONLY);
+#ifdef _WIN32
+ MessageBox (NULL, msg, NULL, MB_OK | MB_ICONERROR | MB_TASKMODAL);
+#else
+ fputs_unfiltered (msg, gdb_stderr);
+#endif
+ }
+
+#ifdef _WIN32
+ close_bfds ();
+#endif
+
+ Tk_MainLoop ();
+}
+
+/* gdbtk_init installs this function as a final cleanup. */
+
+static void
+gdbtk_cleanup (dummy)
+ PTR dummy;
+{
+ Tcl_Finalize ();
+}
+
+/* Initialize gdbtk. */
+
+static void
+gdbtk_init ( argv0 )
+ char *argv0;
{
struct cleanup *old_chain;
- char *gdbtk_filename;
- int i;
+ char *lib, *gdbtk_lib, *gdbtk_lib_tmp, *gdbtk_file;
+ int i, found_main;
+#ifndef WINNT
struct sigaction action;
static sigset_t nullsigmask = {0};
+#endif
+#ifdef IDE
+ /* start-sanitize-ide */
+ struct ide_event_handle *h;
+ const char *errmsg;
+ char *libexecdir;
+ /* end-sanitize-ide */
+#endif
+
+ /* If there is no DISPLAY environment variable, Tk_Init below will fail,
+ causing gdb to abort. If instead we simply return here, gdb will
+ gracefully degrade to using the command line interface. */
+
+#ifndef WINNT
+ if (getenv ("DISPLAY") == NULL)
+ return;
+#endif
old_chain = make_cleanup (cleanup_init, 0);
/* First init tcl and tk. */
-
+ Tcl_FindExecutable (argv0);
interp = Tcl_CreateInterp ();
if (!interp)
error ("Tcl_CreateInterp failed");
- mainWindow = Tk_CreateMainWindow (interp, NULL, "gdb", "Gdb");
-
- if (!mainWindow)
- return; /* DISPLAY probably not set */
-
if (Tcl_Init(interp) != TCL_OK)
error ("Tcl_Init failed: %s", interp->result);
+ make_final_cleanup (gdbtk_cleanup, NULL);
+
+ /* Initialize the Paths variable. */
+ if (ide_initialize_paths (interp, "gdbtcl") != TCL_OK)
+ error ("ide_initialize_paths failed: %s", interp->result);
+
+#ifdef IDE
+ /* start-sanitize-ide */
+ /* Find the directory where we expect to find idemanager. We ignore
+ errors since it doesn't really matter if this fails. */
+ libexecdir = Tcl_GetVar2 (interp, "Paths", "libexecdir", TCL_GLOBAL_ONLY);
+
+ IluTk_Init ();
+
+ h = ide_event_init_from_environment (&errmsg, libexecdir);
+ if (h == NULL)
+ {
+ Tcl_AppendResult (interp, "can't initialize event system: ", errmsg,
+ (char *) NULL);
+ fprintf(stderr, "WARNING: ide_event_init_client failed: %s\n", interp->result);
+
+ Tcl_SetVar (interp, "GDBTK_IDE", "0", 0);
+ }
+ else
+ {
+ if (ide_create_tclevent_command (interp, h) != TCL_OK)
+ error ("ide_create_tclevent_command failed: %s", interp->result);
+
+ if (ide_create_edit_command (interp, h) != TCL_OK)
+ error ("ide_create_edit_command failed: %s", interp->result);
+
+ if (ide_create_property_command (interp, h) != TCL_OK)
+ error ("ide_create_property_command failed: %s", interp->result);
+
+ if (ide_create_build_command (interp, h) != TCL_OK)
+ error ("ide_create_build_command failed: %s", interp->result);
+
+ if (ide_create_window_register_command (interp, h, "gdb-restore")
+ != TCL_OK)
+ error ("ide_create_window_register_command failed: %s",
+ interp->result);
+
+ if (ide_create_window_command (interp, h) != TCL_OK)
+ error ("ide_create_window_command failed: %s", interp->result);
+
+ if (ide_create_exit_command (interp, h) != TCL_OK)
+ error ("ide_create_exit_command failed: %s", interp->result);
+
+ if (ide_create_help_command (interp) != TCL_OK)
+ error ("ide_create_help_command failed: %s", interp->result);
+
+ /*
+ if (ide_initialize (interp, "gdb") != TCL_OK)
+ error ("ide_initialize failed: %s", interp->result);
+ */
+
+ Tcl_SetVar (interp, "GDBTK_IDE", "1", 0);
+ Tcl_SetVar (interp, "IDE", "1", TCL_GLOBAL_ONLY);
+ }
+ /* end-sanitize-ide */
+#else
+ Tcl_SetVar (interp, "GDBTK_IDE", "0", 0);
+#endif /* IDE */
+
+ /* We don't want to open the X connection until we've done all the
+ IDE initialization. Otherwise, goofy looking unfinished windows
+ pop up when ILU drops into the TCL event loop. */
+
if (Tk_Init(interp) != TCL_OK)
error ("Tk_Init failed: %s", interp->result);
+ if (Itcl_Init(interp) == TCL_ERROR)
+ error ("Itcl_Init failed: %s", interp->result);
+
+ if (Tix_Init(interp) != TCL_OK)
+ error ("Tix_Init failed: %s", interp->result);
+
+#ifdef __CYGWIN32__
+ /* On Windows, create a sizebox widget command */
+ if (ide_create_sizebox_command (interp) != TCL_OK)
+ error ("sizebox creation failed");
+ if (ide_create_winprint_command (interp) != TCL_OK)
+ error ("windows print code initialization failed");
+ /* start-sanitize-ide */
+ /* An interface to ShellExecute. */
+ if (ide_create_shell_execute_command (interp) != TCL_OK)
+ error ("shell execute command initialization failed");
+ /* end-sanitize-ide */
+#endif
+
Tcl_CreateCommand (interp, "gdb_cmd", call_wrapper, gdb_cmd, NULL);
+ Tcl_CreateCommand (interp, "gdb_immediate", call_wrapper,
+ gdb_immediate_command, NULL);
Tcl_CreateCommand (interp, "gdb_loc", call_wrapper, gdb_loc, NULL);
+ Tcl_CreateCommand (interp, "gdb_path_conv", call_wrapper, gdb_path_conv, NULL);
Tcl_CreateCommand (interp, "gdb_sourcelines", call_wrapper, gdb_sourcelines,
NULL);
- Tcl_CreateCommand (interp, "gdb_listfiles", call_wrapper, gdb_listfiles,
+ Tcl_CreateObjCommand (interp, "gdb_listfiles", gdb_listfiles, NULL, NULL);
+ Tcl_CreateCommand (interp, "gdb_listfuncs", call_wrapper, gdb_listfuncs,
+ NULL);
+ Tcl_CreateCommand (interp, "gdb_get_mem", call_wrapper, gdb_get_mem,
NULL);
Tcl_CreateCommand (interp, "gdb_stop", call_wrapper, gdb_stop, NULL);
Tcl_CreateCommand (interp, "gdb_regnames", call_wrapper, gdb_regnames, NULL);
gdb_get_breakpoint_list, NULL);
Tcl_CreateCommand (interp, "gdb_get_breakpoint_info", call_wrapper,
gdb_get_breakpoint_info, NULL);
-
- command_loop_hook = Tk_MainLoop;
- print_frame_info_listing_hook = null_routine;
+ Tcl_CreateCommand (interp, "gdb_clear_file", call_wrapper,
+ gdb_clear_file, NULL);
+ Tcl_CreateCommand (interp, "gdb_confirm_quit", call_wrapper,
+ gdb_confirm_quit, NULL);
+ Tcl_CreateCommand (interp, "gdb_force_quit", call_wrapper,
+ gdb_force_quit, NULL);
+ Tcl_CreateCommand (interp, "gdb_target_has_execution",
+ gdb_target_has_execution_command,
+ NULL, NULL);
+ Tcl_CreateObjCommand (interp, "gdb_load_info", gdb_load_info, NULL, NULL);
+ Tcl_CreateObjCommand (interp, "gdb_get_locals", gdb_get_vars_command,
+ (ClientData) 0, NULL);
+ Tcl_CreateObjCommand (interp, "gdb_get_args", gdb_get_vars_command,
+ (ClientData) 1, NULL);
+ Tcl_CreateObjCommand (interp, "gdb_get_function", gdb_get_function_command,
+ NULL, NULL);
+ Tcl_CreateObjCommand (interp, "gdb_get_line", gdb_get_line_command,
+ NULL, NULL);
+ Tcl_CreateObjCommand (interp, "gdb_get_file", gdb_get_file_command,
+ NULL, NULL);
+ Tcl_CreateObjCommand (interp, "gdb_tracepoint_exists",
+ gdb_tracepoint_exists_command, NULL, NULL);
+ Tcl_CreateObjCommand (interp, "gdb_get_tracepoint_info",
+ gdb_get_tracepoint_info, NULL, NULL);
+ Tcl_CreateObjCommand (interp, "gdb_actions",
+ gdb_actions_command, NULL, NULL);
+ Tcl_CreateObjCommand (interp, "gdb_prompt",
+ gdb_prompt_command, NULL, NULL);
+ Tcl_CreateObjCommand (interp, "gdb_find_file",
+ gdb_find_file_command, NULL, NULL);
+ Tcl_CreateObjCommand (interp, "gdb_get_tracepoint_list",
+ gdb_get_tracepoint_list, NULL, NULL);
+
+ command_loop_hook = tk_command_loop;
+ print_frame_info_listing_hook = gdbtk_print_frame_info;
query_hook = gdbtk_query;
flush_hook = gdbtk_flush;
create_breakpoint_hook = gdbtk_create_breakpoint;
interactive_hook = gdbtk_interactive;
target_wait_hook = gdbtk_wait;
call_command_hook = gdbtk_call_command;
-
+ readline_begin_hook = gdbtk_readline_begin;
+ readline_hook = gdbtk_readline;
+ readline_end_hook = gdbtk_readline_end;
+ ui_load_progress_hook = gdbtk_load_hash;
+ pre_add_symbol_hook = gdbtk_pre_add_symbol;
+ post_add_symbol_hook = gdbtk_post_add_symbol;
+ create_tracepoint_hook = gdbtk_create_tracepoint;
+ delete_tracepoint_hook = gdbtk_delete_tracepoint;
+ modify_tracepoint_hook = gdbtk_modify_tracepoint;
+
+#ifndef WINNT
/* Get the file descriptor for the X server */
- x_fd = ConnectionNumber (Tk_Display (mainWindow));
+ x_fd = ConnectionNumber (Tk_Display (Tk_MainWindow (interp)));
/* Setup for I/O interrupts */
#endif /* F_SETOWN */
#endif /* !SIOCSPGRP */
#else
+#ifndef WINNT
if (ioctl (x_fd, I_SETSIG, S_INPUT|S_RDNORM) < 0)
perror_with_name ("gdbtk_init: ioctl I_SETSIG failed");
+#endif
+
#endif /* ifndef FIOASYNC */
+#endif /* WINNT */
add_com ("tk", class_obscure, tk_command,
"Send a command directly into tk.");
Tcl_LinkVar (interp, "disassemble-from-exec", (char *)&disassemble_from_exec,
TCL_LINK_INT);
- /* Load up gdbtk.tcl after all the environment stuff has been setup. */
+ /* find the gdb tcl library and source main.tcl */
- gdbtk_filename = getenv ("GDBTK_FILENAME");
- if (!gdbtk_filename)
- if (access ("gdbtk.tcl", R_OK) == 0)
- gdbtk_filename = "gdbtk.tcl";
+ gdbtk_lib = getenv ("GDBTK_LIBRARY");
+ if (!gdbtk_lib)
+ if (access ("gdbtcl/main.tcl", R_OK) == 0)
+ gdbtk_lib = "gdbtcl";
else
- gdbtk_filename = GDBTK_FILENAME;
+ gdbtk_lib = GDBTK_LIBRARY;
+
+ gdbtk_lib_tmp = xstrdup (gdbtk_lib);
+
+ found_main = 0;
+ /* see if GDBTK_LIBRARY is a path list */
+ lib = strtok (gdbtk_lib_tmp, GDBTK_PATH_SEP);
+ do
+ {
+ if (Tcl_VarEval (interp, "lappend auto_path ", lib, NULL) != TCL_OK)
+ {
+ fputs_unfiltered (Tcl_GetVar (interp, "errorInfo", 0), gdb_stderr);
+ error ("");
+ }
+ if (!found_main)
+ {
+ gdbtk_file = concat (lib, "/main.tcl", (char *) NULL);
+ if (access (gdbtk_file, R_OK) == 0)
+ {
+ found_main++;
+ Tcl_SetVar (interp, "GDBTK_LIBRARY", lib, 0);
+ }
+ }
+ }
+ while ((lib = strtok (NULL, ":")) != NULL);
+
+ free (gdbtk_lib_tmp);
+
+ if (!found_main)
+ {
+ /* Try finding it with the auto path. */
+
+ static const char script[] ="\
+proc gdbtk_find_main {} {\n\
+ global auto_path GDBTK_LIBRARY\n\
+ foreach dir $auto_path {\n\
+ set f [file join $dir main.tcl]\n\
+ if {[file exists $f]} then {\n\
+ set GDBTK_LIBRARY $dir\n\
+ return $f\n\
+ }\n\
+ }\n\
+ return ""\n\
+}\n\
+gdbtk_find_main";
+
+ if (Tcl_GlobalEval (interp, (char *) script) != TCL_OK)
+ {
+ fputs_unfiltered (Tcl_GetVar (interp, "errorInfo", 0), gdb_stderr);
+ error ("");
+ }
+
+ if (interp->result[0] != '\0')
+ {
+ gdbtk_file = xstrdup (interp->result);
+ found_main++;
+ }
+ }
+
+ if (!found_main)
+ {
+ fputs_unfiltered_hook = NULL; /* Force errors to stdout/stderr */
+ if (getenv("GDBTK_LIBRARY"))
+ {
+ fprintf_unfiltered (stderr, "Unable to find main.tcl in %s\n",getenv("GDBTK_LIBRARY"));
+ fprintf_unfiltered (stderr,
+ "Please set GDBTK_LIBRARY to a path that includes the GDB tcl files.\n");
+ }
+ else
+ {
+ fprintf_unfiltered (stderr, "Unable to find main.tcl in %s\n", GDBTK_LIBRARY);
+ fprintf_unfiltered (stderr, "You might want to set GDBTK_LIBRARY\n");
+ }
+ error("");
+ }
/* Defer setup of fputs_unfiltered_hook to near the end so that error messages
prior to this point go to stdout/stderr. */
fputs_unfiltered_hook = gdbtk_fputs;
- if (Tcl_EvalFile (interp, gdbtk_filename) != TCL_OK)
+ if (Tcl_EvalFile (interp, gdbtk_file) != TCL_OK)
{
+ char *msg;
+
+ /* Force errorInfo to be set up propertly. */
+ Tcl_AddErrorInfo (interp, "");
+
+ msg = Tcl_GetVar (interp, "errorInfo", TCL_GLOBAL_ONLY);
+
fputs_unfiltered_hook = NULL; /* Force errors to stdout/stderr */
- fprintf_unfiltered (stderr, "%s:%d: %s\n", gdbtk_filename,
- interp->errorLine, interp->result);
+#ifdef _WIN32
+ MessageBox (NULL, msg, NULL, MB_OK | MB_ICONERROR | MB_TASKMODAL);
+#else
+ fputs_unfiltered (msg, gdb_stderr);
+#endif
- fputs_unfiltered ("Stack trace:\n", gdb_stderr);
- fputs_unfiltered (Tcl_GetVar (interp, "errorInfo", 0), gdb_stderr);
error ("");
}
+#ifdef IDE
+ /* start-sanitize-ide */
+ /* Don't do this until we have initialized. Otherwise, we may get a
+ run command before we are ready for one. */
+ if (ide_run_server_init (interp, h) != TCL_OK)
+ error ("ide_run_server_init failed: %s", interp->result);
+ /* end-sanitize-ide */
+#endif
+
+ free (gdbtk_file);
+
discard_cleanups (old_chain);
}
-/* Come here during initialze_all_files () */
+static int
+gdb_target_has_execution_command (clientData, interp, argc, argv)
+ ClientData clientData;
+ Tcl_Interp *interp;
+ int argc;
+ char *argv[];
+{
+ int result = 0;
+
+ if (target_has_execution && inferior_pid != 0)
+ result = 1;
+
+ Tcl_SetIntObj (Tcl_GetObjResult (interp), result);
+ return TCL_OK;
+}
+
+/* gdb_load_info - returns information about the file about to be downloaded */
+
+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];
+ Tcl_Obj *res[16];
+ int i = 0;
+
+ char *filename = Tcl_GetStringFromObj (objv[1], NULL);
+
+ loadfile_bfd = bfd_openr (filename, gnutarget);
+ if (loadfile_bfd == NULL)
+ {
+ Tcl_SetObjResult (interp, Tcl_NewStringObj ("Open failed", -1));
+ return TCL_ERROR;
+ }
+ old_cleanups = make_cleanup (bfd_close, loadfile_bfd);
+
+ if (!bfd_check_format (loadfile_bfd, bfd_object))
+ {
+ Tcl_SetObjResult (interp, Tcl_NewStringObj ("Bad Object File", -1));
+ return TCL_ERROR;
+ }
+
+ 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);
+ res[i++] = Tcl_NewListObj (2, ob);
+ }
+ }
+ }
+
+ Tcl_SetObjResult (interp, Tcl_NewListObj (i, res));
+ do_cleanups (old_cleanups);
+ return TCL_OK;
+}
+
+
+int
+gdbtk_load_hash (section, num)
+ char *section;
+ unsigned long num;
+{
+ char buf[128];
+ sprintf (buf, "download_hash %s %ld", section, num);
+ Tcl_Eval (interp, buf);
+ return atoi (interp->result);
+}
+
+/* gdb_get_vars_command -
+ *
+ * Implements the "gdb_get_locals" and "gdb_get_args" tcl commands. 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").
+ */
+static int
+gdb_get_vars_command (clientData, interp, objc, objv)
+ ClientData clientData;
+ Tcl_Interp *interp;
+ int objc;
+ Tcl_Obj *CONST objv[];
+{
+ Tcl_Obj *result;
+ struct symtabs_and_lines sals;
+ struct symbol *sym;
+ struct block *block;
+ char **canonical, *args;
+ int i, nsyms, arguments;
+
+ if (objc != 2)
+ {
+ Tcl_AppendResult (interp,
+ "wrong # of args: should be \"",
+ Tcl_GetStringFromObj (objv[0], NULL),
+ " function:line|function|line|*addr\"");
+ 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_AppendResult (interp,
+ "error decoding line", NULL);
+ return TCL_ERROR;
+ }
+
+ /* Initialize a list that will hold the results */
+ result = Tcl_NewListObj (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_STATIC: /* static */
+ case LOC_REGISTER: /* register */
+ 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,
+ Tcl_NewStringObj (SYMBOL_NAME (sym), -1));
+ break;
+ case LOC_LOCAL: /* stack local */
+ case LOC_BASEREG: /* basereg local */
+ if (!arguments)
+ Tcl_ListObjAppendElement (interp, result,
+ Tcl_NewStringObj (SYMBOL_NAME (sym), -1));
+ break;
+ }
+ }
+ if (BLOCK_FUNCTION (block))
+ break;
+ else
+ block = BLOCK_SUPERBLOCK (block);
+ }
+
+ Tcl_SetObjResult (interp, result);
+ return TCL_OK;
+}
+
+static int
+gdb_get_line_command (clientData, interp, objc, objv)
+ ClientData clientData;
+ Tcl_Interp *interp;
+ int objc;
+ Tcl_Obj *CONST objv[];
+{
+ Tcl_Obj *result;
+ struct symtabs_and_lines sals;
+ char *args, **canonical;
+
+ if (objc != 2)
+ {
+ Tcl_AppendResult (interp, "wrong # of args: should be \"",
+ Tcl_GetStringFromObj (objv[0], NULL),
+ " linespec\"");
+ return TCL_ERROR;
+ }
+
+ args = Tcl_GetStringFromObj (objv[1], NULL);
+ sals = decode_line_1 (&args, 1, NULL, 0, &canonical);
+ if (sals.nelts == 1)
+ {
+ Tcl_SetObjResult (interp, Tcl_NewIntObj (sals.sals[0].line));
+ return TCL_OK;
+ }
+
+ Tcl_SetResult (interp, "N/A", TCL_STATIC);
+ return TCL_OK;
+}
+
+static int
+gdb_get_file_command (clientData, interp, objc, objv)
+ ClientData clientData;
+ Tcl_Interp *interp;
+ int objc;
+ Tcl_Obj *CONST objv[];
+{
+ Tcl_Obj *result;
+ struct symtabs_and_lines sals;
+ char *args, **canonical;
+
+ if (objc != 2)
+ {
+ Tcl_AppendResult (interp, "wrong # of args: should be \"",
+ Tcl_GetStringFromObj (objv[0], NULL),
+ " linespec\"");
+ return TCL_ERROR;
+ }
+
+ args = Tcl_GetStringFromObj (objv[1], NULL);
+ sals = decode_line_1 (&args, 1, NULL, 0, &canonical);
+ if (sals.nelts == 1)
+ {
+ Tcl_SetResult (interp, sals.sals[0].symtab->filename, TCL_VOLATILE);
+ return TCL_OK;
+ }
+
+ Tcl_SetResult (interp, "N/A", TCL_STATIC);
+ return TCL_OK;
+}
+
+static int
+gdb_get_function_command (clientData, interp, objc, objv)
+ ClientData clientData;
+ Tcl_Interp *interp;
+ int objc;
+ Tcl_Obj *CONST objv[];
+{
+ Tcl_Obj *result;
+ char *function;
+ struct symtabs_and_lines sals;
+ char *args, **canonical;
+
+ if (objc != 2)
+ {
+ Tcl_AppendResult (interp, "wrong # of args: should be \"",
+ Tcl_GetStringFromObj (objv[0], NULL),
+ " linespec\"");
+ 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_SetResult (interp, function, TCL_VOLATILE);
+ return TCL_OK;
+ }
+ }
+
+ Tcl_SetResult (interp, "N/A", TCL_STATIC);
+ 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 *list, *action_list;
+ char *filename, *funcname;
+ char tmp[19];
+
+ if (objc != 2)
+ error ("wrong # args");
+
+ Tcl_GetIntFromObj (NULL, objv[1], &tpnum);
+
+ ALL_TRACEPOINTS (tp)
+ if (tp->number == tpnum)
+ break;
+
+ if (tp == NULL)
+ error ("Tracepoint #%d does not exist", tpnum);
+
+ list = Tcl_NewListObj (0, NULL);
+ sal = find_pc_line (tp->address, 0);
+ filename = symtab_to_filename (sal.symtab);
+ if (filename == NULL)
+ filename = "N/A";
+ Tcl_ListObjAppendElement (interp, list,
+ Tcl_NewStringObj (filename, -1));
+ find_pc_partial_function (tp->address, &funcname, NULL, NULL);
+ Tcl_ListObjAppendElement (interp, list, Tcl_NewStringObj (funcname, -1));
+ Tcl_ListObjAppendElement (interp, list, Tcl_NewIntObj (sal.line));
+ sprintf (tmp, "0x%08x", tp->address);
+ Tcl_ListObjAppendElement (interp, list, Tcl_NewStringObj (tmp, -1));
+ Tcl_ListObjAppendElement (interp, list, Tcl_NewIntObj (tp->enabled));
+ Tcl_ListObjAppendElement (interp, list, Tcl_NewIntObj (tp->pass_count));
+ Tcl_ListObjAppendElement (interp, list, Tcl_NewIntObj (tp->step_count));
+ Tcl_ListObjAppendElement (interp, list, Tcl_NewIntObj (tp->thread));
+ Tcl_ListObjAppendElement (interp, list, Tcl_NewIntObj (tp->hit_count));
+
+ /* Append a list of actions */
+ action_list = Tcl_NewListObj (0, NULL);
+ for (al = tp->actions; al != NULL; al = al->next)
+ {
+ Tcl_ListObjAppendElement (interp, action_list,
+ Tcl_NewStringObj (al->action, -1));
+ }
+ Tcl_ListObjAppendElement (interp, list, action_list);
+
+ Tcl_SetObjResult (interp, list);
+ return TCL_OK;
+}
+
+static void
+gdbtk_create_tracepoint (tp)
+ struct tracepoint *tp;
+{
+ tracepoint_notify (tp, "create");
+}
+
+static void
+gdbtk_delete_tracepoint (tp)
+ struct tracepoint *tp;
+{
+ tracepoint_notify (tp, "delete");
+}
+
+static void
+gdbtk_modify_tracepoint (tp)
+ struct tracepoint *tp;
+{
+ tracepoint_notify (tp, "modify");
+}
+
+static void
+tracepoint_notify(tp, action)
+ struct tracepoint *tp;
+ const char *action;
+{
+ char buf[256];
+ int v;
+ struct symtab_and_line sal;
+ char *filename;
+
+ /* We ensure that ACTION contains no special Tcl characters, so we
+ can do this. */
+ sal = find_pc_line (tp->address, 0);
+
+ filename = symtab_to_filename (sal.symtab);
+ if (filename == NULL)
+ filename = "N/A";
+ sprintf (buf, "gdbtk_tcl_tracepoint %s %d 0x%lx %d {%s}", action, tp->number,
+ (long)tp->address, sal.line, filename);
+
+ v = Tcl_Eval (interp, buf);
+
+ if (v != TCL_OK)
+ {
+ gdbtk_fputs (interp->result, gdb_stdout);
+ gdbtk_fputs ("\n", gdb_stdout);
+ }
+}
+
+/* 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;
+ else if (tp->source_file != NULL
+ && strcmp (tp->source_file, file) == 0
+ && sals.sals[0].line == tp->line_number)
+
+ result = tp->number;
+ }
+ }
+ }
+ if (file != NULL)
+ free (file);
+ return result;
+}
+
+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;
+
+ if (objc != 3)
+ {
+ Tcl_AppendResult (interp, "wrong # args: should be: \"",
+ Tcl_GetStringFromObj (objv[0], NULL),
+ " number actions\"");
+ return TCL_ERROR;
+ }
+
+ args = number = Tcl_GetStringFromObj (objv[1], NULL);
+ tp = get_tracepoint_by_number (&args);
+ if (tp == NULL)
+ {
+ Tcl_AppendResult (interp, "Tracepoint \"", number, "\" does not exist");
+ return TCL_ERROR;
+ }
+
+ /* Free any existing actions */
+ if (tp->actions != NULL)
+ free_actions (tp);
+
+ step_count = 0;
+
+ Tcl_ListObjGetElements (interp, objv[2], &nactions, &actions);
+ 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);
+ if (sscanf (temp->action, "while-stepping %d", &step_count) !=0)
+ tp->step_count = step_count;
+ if (next == NULL)
+ {
+ tp->actions = temp;
+ next = temp;
+ }
+ else
+ {
+ next->next = temp;
+ next = temp;
+ }
+ }
+
+ return TCL_OK;
+}
+
+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_AppendResult (interp, "wrong # of args: should be \"",
+ Tcl_GetStringFromObj (objv[0], NULL),
+ " function:line|function|line|*addr\"");
+ return TCL_ERROR;
+ }
+
+ args = Tcl_GetStringFromObj (objv[1], NULL);
+
+ Tcl_SetObjResult (interp, Tcl_NewIntObj (tracepoint_exists (args)));
+ return TCL_OK;
+}
+
+/* Return the prompt to the interpreter */
+static int
+gdb_prompt_command (clientData, interp, objc, objv)
+ ClientData clientData;
+ Tcl_Interp *interp;
+ int objc;
+ Tcl_Obj *CONST objv[];
+{
+ Tcl_SetResult (interp, get_prompt (), TCL_VOLATILE);
+ return TCL_OK;
+}
+
+/* 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[];
+{
+ Tcl_Obj *list;
+ struct tracepoint *tp;
+
+ list = Tcl_NewListObj (0, NULL);
+
+ ALL_TRACEPOINTS (tp)
+ Tcl_ListObjAppendElement (interp, list, Tcl_NewIntObj (tp->number));
+
+ Tcl_SetObjResult (interp, list);
+ return TCL_OK;
+}
+
+/* This is stolen from source.c */
+#ifdef CRLF_SOURCE_FILES
+
+/* Define CRLF_SOURCE_FILES in an xm-*.h file if source files on the
+ host use \r\n rather than just \n. Defining CRLF_SOURCE_FILES is
+ much faster than defining LSEEK_NOT_LINEAR. */
+
+#ifndef O_BINARY
+#define O_BINARY 0
+#endif
+
+#define OPEN_MODE (O_RDONLY | O_BINARY)
+
+#else /* ! defined (CRLF_SOURCE_FILES) */
+
+#define OPEN_MODE O_RDONLY
+
+#endif /* ! defined (CRLF_SOURCE_FILES) */
+
+/* Find the pathname to a file, searching the source_dir */
+/* we may actually need to use openp to find the the full pathname
+ so we don't have any "../" et al in it. */
+static int
+gdb_find_file_command (clientData, interp, objc, objv)
+ ClientData clientData;
+ Tcl_Interp *interp;
+ int objc;
+ Tcl_Obj *CONST objv[];
+{
+ char *file, *filename;
+
+ if (objc != 2)
+ {
+ Tcl_AppendResult (interp, "wrong # of args: should be \"",
+ Tcl_GetStringFromObj (objv[0], NULL),
+ " filename\"");
+ return TCL_ERROR;
+ }
+
+ file = Tcl_GetStringFromObj (objv[1], NULL);
+ filename = find_file_in_dir (file);
+
+ if (filename == NULL)
+ Tcl_SetResult (interp, "", TCL_STATIC);
+ else
+ Tcl_SetObjResult (interp, Tcl_NewStringObj (filename, -1));
+
+ return TCL_OK;
+}
+
+static char *
+find_file_in_dir (file)
+ char *file;
+{
+ struct symtab *st = NULL;
+
+ if (file != NULL)
+ {
+ /* try something simple first */
+ if (access (file, R_OK) == 0)
+ return file;
+
+ /* We really need a symtab for this to work... */
+ st = lookup_symtab (file);
+ if (st != NULL)
+ {
+ file = symtab_to_filename (st);
+ if (file != NULL)
+ return file;
+ }
+ }
+
+ return NULL;
+}
+
+/* This hook is called whenever we are ready to load a symbol file so that
+ the UI can notify the user... */
+void
+gdbtk_pre_add_symbol (name)
+ char *name;
+{
+ char command[256];
+
+ sprintf (command, "gdbtk_tcl_pre_add_symbol %s", name);
+ Tcl_Eval (interp, command);
+}
+
+/* This hook is called whenever we finish loading a symbol file. */
+void
+gdbtk_post_add_symbol ()
+{
+ Tcl_Eval (interp, "gdbtk_tcl_post_add_symbol");
+}
+
+
+/* TclDebug (const char *fmt, ...) works just like printf() but */
+/* sends the output to the GDB TK debug window. */
+/* Not for normal use; just a convenient tool for debugging */
+void
+#ifdef ANSI_PROTOTYPES
+TclDebug (const char *fmt, ...)
+#else
+TclDebug (va_alist)
+ va_dcl
+#endif
+{
+ va_list args;
+ char buf[512];
+
+#ifdef ANSI_PROTOTYPES
+ va_start (args, fmt);
+#else
+ char *fmt;
+ va_start (args);
+ fmt = va_arg (args, char *);
+#endif
+
+ strcpy (buf, "debug \"");
+ vsprintf (&buf[7], fmt, args);
+ va_end (args);
+ strcat (buf, "\"");
+ Tcl_Eval (interp, buf);
+}
+
+static void
+gdbtk_print_frame_info (s, line, stopline, noerror)
+ struct symtab *s;
+ int line;
+ int stopline;
+ int noerror;
+{
+ current_source_symtab = s;
+ current_source_line = line;
+}
+
+/* Come here during initialize_all_files () */
void
_initialize_gdbtk ()