/* Print and select stack frames for GDB, the GNU debugger.
Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
- 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 Free Software
+ 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software
Foundation, Inc.
This file is part of GDB.
int args,
struct symtab_and_line sal);
-static void print_frame_info_base (struct frame_info *, int, int, int);
-
-static void print_stack_frame_base (struct frame_info *, int, int);
-
static void backtrace_command (char *, int);
struct frame_info *parse_frame_specification (char *);
extern int addressprint; /* Print addresses, or stay symbolic only? */
-/* The "selected" stack frame is used by default for local and arg access.
- May be zero, for no selected frame. */
-
-struct frame_info *selected_frame;
-
/* Zero means do things normally; we are interacting directly with the
user. One means print the full filename and linenumber when a
frame is printed, and do so in a format emacs18/emacs19.22 can
int args;
};
-static int print_stack_frame_base_stub (char *);
-
-/* Show and print the frame arguments.
- Pass the args the way catch_errors wants them. */
-static int show_and_print_stack_frame_stub (void *args);
-static int
-show_and_print_stack_frame_stub (void *args)
-{
- struct print_stack_frame_args *p = (struct print_stack_frame_args *) args;
-
- print_frame_info (p->fi, p->level, p->source, p->args);
-
- return 0;
-}
-
/* Show or print the frame arguments.
Pass the args the way catch_errors wants them. */
static int print_stack_frame_stub (void *args);
{
struct print_stack_frame_args *p = (struct print_stack_frame_args *) args;
- print_frame_info_base (p->fi, p->level, p->source, p->args);
- return 0;
-}
-
-/* Print a stack frame briefly. FRAME_INFI should be the frame info
- and LEVEL should be its level in the stack (or -1 for level not
- defined). */
-
-/* Pass the args the way catch_errors wants them. */
-static int
-print_stack_frame_base_stub (char *args)
-{
- struct print_stack_frame_args *p = (struct print_stack_frame_args *) args;
-
- print_frame_info_base (p->fi, p->level, p->source, p->args);
- return 0;
-}
-
-/* print the frame arguments to the terminal.
- Pass the args the way catch_errors wants them. */
-static int print_only_stack_frame_stub (void *);
-static int
-print_only_stack_frame_stub (void *args)
-{
- struct print_stack_frame_args *p = (struct print_stack_frame_args *) args;
-
- print_frame_info_base (p->fi, p->level, p->source, p->args);
+ print_frame_info (p->fi, p->level, p->source, p->args);
return 0;
}
-/* Print a stack frame briefly. FRAME_INFI should be the frame info
- and LEVEL should be its level in the stack (or -1 for level not defined).
- This prints the level, the function executing, the arguments,
- and the file name and line number.
- If the pc is not at the beginning of the source line,
- the actual pc is printed at the beginning.
-
- If SOURCE is 1, print the source line as well.
- If SOURCE is -1, print ONLY the source line. */
-
-static void
-print_stack_frame_base (struct frame_info *fi, int level, int source)
-{
- struct print_stack_frame_args args;
-
- args.fi = fi;
- args.level = level;
- args.source = source;
- args.args = 1;
-
- catch_errors (print_stack_frame_stub, &args, "", RETURN_MASK_ALL);
-}
-
-/* Show and print a stack frame briefly. FRAME_INFI should be the frame info
- and LEVEL should be its level in the stack (or -1 for level not defined).
- This prints the level, the function executing, the arguments,
- and the file name and line number.
- If the pc is not at the beginning of the source line,
- the actual pc is printed at the beginning.
-
- If SOURCE is 1, print the source line as well.
- If SOURCE is -1, print ONLY the source line. */
-
-void
-show_and_print_stack_frame (struct frame_info *fi, int level, int source)
-{
- struct print_stack_frame_args args;
-
- args.fi = fi;
- args.level = level;
- args.source = source;
- args.args = 1;
-
- catch_errors (show_and_print_stack_frame_stub, &args, "", RETURN_MASK_ALL);
-}
-
-
/* Show or print a stack frame briefly. FRAME_INFI should be the frame info
and LEVEL should be its level in the stack (or -1 for level not defined).
This prints the level, the function executing, the arguments,
args.args = 1;
catch_errors (print_stack_frame_stub, (char *) &args, "", RETURN_MASK_ALL);
-}
-
-/* Print a stack frame briefly. FRAME_INFI should be the frame info
- and LEVEL should be its level in the stack (or -1 for level not defined).
- This prints the level, the function executing, the arguments,
- and the file name and line number.
- If the pc is not at the beginning of the source line,
- the actual pc is printed at the beginning.
-
- If SOURCE is 1, print the source line as well.
- If SOURCE is -1, print ONLY the source line. */
-
-void
-print_only_stack_frame (struct frame_info *fi, int level, int source)
-{
- struct print_stack_frame_args args;
-
- args.fi = fi;
- args.level = level;
- args.source = source;
- args.args = 1;
-
- catch_errors (print_only_stack_frame_stub, &args, "", RETURN_MASK_ALL);
-}
+}
struct print_args_args
{
struct ui_file *stream;
};
-static int print_args_stub (PTR);
+static int print_args_stub (void *);
/* Pass the args the way catch_errors wants them. */
static int
-print_args_stub (PTR args)
+print_args_stub (void *args)
{
int numargs;
struct print_args_args *p = (struct print_args_args *) args;
LOCATION: Print only location
LOC_AND_SRC: Print location and source line. */
-static void
-print_frame_info_base (struct frame_info *fi, int level, int source, int args)
+void
+print_frame_info (struct frame_info *fi, int level, int source, int args)
{
struct symtab_and_line sal;
int source_print;
int location_print;
- if (get_frame_type (fi) == DUMMY_FRAME)
+ if (get_frame_type (fi) == DUMMY_FRAME
+ || get_frame_type (fi) == SIGTRAMP_FRAME)
{
- annotate_frame_begin (level == -1 ? 0 : level, fi->pc);
+ struct cleanup *uiout_cleanup
+ = make_cleanup_ui_out_tuple_begin_end (uiout, "frame");
+
+ annotate_frame_begin (level == -1 ? 0 : level, get_frame_pc (fi));
/* Do this regardless of SOURCE because we don't have any source
to list for this frame. */
ui_out_text (uiout, "#");
ui_out_field_fmt_int (uiout, 2, ui_left, "level", level);
}
- annotate_function_call ();
- printf_filtered ("<function called from gdb>\n");
- annotate_frame_end ();
- return;
- }
- if ((get_frame_type (fi) == SIGTRAMP_FRAME))
- {
- annotate_frame_begin (level == -1 ? 0 : level, fi->pc);
+ if (ui_out_is_mi_like_p (uiout))
+ {
+ annotate_frame_address ();
+ ui_out_field_core_addr (uiout, "addr", fi->pc);
+ annotate_frame_address_end ();
+ }
- /* Do this regardless of SOURCE because we don't have any source
- to list for this frame. */
- if (level >= 0)
+ if (get_frame_type (fi) == DUMMY_FRAME)
{
- ui_out_text (uiout, "#");
- ui_out_field_fmt_int (uiout, 2, ui_left, "level", level);
+ annotate_function_call ();
+ ui_out_field_string (uiout, "func", "<function called from gdb>");
+ }
+ else if (get_frame_type (fi) == SIGTRAMP_FRAME)
+ {
+ annotate_signal_handler_caller ();
+ ui_out_field_string (uiout, "func", "<signal handler called>");
}
- annotate_signal_handler_caller ();
- printf_filtered ("<signal handler called>\n");
+ ui_out_text (uiout, "\n");
annotate_frame_end ();
+
+ do_cleanups (uiout_cleanup);
return;
}
frame is a SIGTRAMP_FRAME or a DUMMY_FRAME, then the next frame
was not entered as the result of a call, and we want to get the
line containing fi->pc. */
- sal =
- find_pc_line (fi->pc,
- fi->next != NULL
- && !(get_frame_type (fi->next) == SIGTRAMP_FRAME)
- && !(get_frame_type (fi->next) == DUMMY_FRAME));
+ find_frame_sal (fi, &sal);
location_print = (source == LOCATION
|| source == LOC_AND_ADDRESS
{
struct symtab_and_line cursal;
int done = 0;
- int mid_statement = (source == SRC_LINE) && (fi->pc != sal.pc);
+ int mid_statement = (source == SRC_LINE) && (get_frame_pc (fi) != sal.pc);
if (annotation_level)
done = identify_source_line (sal.symtab, sal.line, mid_statement,
- fi->pc);
+ get_frame_pc (fi));
if (!done)
{
if (print_frame_info_listing_hook)
ability to decide for themselves if it is desired. */
if (addressprint && mid_statement)
{
- ui_out_field_core_addr (uiout, "addr", fi->pc);
+ ui_out_field_core_addr (uiout, "addr", get_frame_pc (fi));
ui_out_text (uiout, "\t");
}
}
if (source != 0)
- set_default_breakpoint (1, fi->pc, sal.symtab, sal.line);
+ set_default_breakpoint (1, get_frame_pc (fi), sal.symtab, sal.line);
annotate_frame_end ();
}
}
- annotate_frame_begin (level == -1 ? 0 : level, fi->pc);
+ annotate_frame_begin (level == -1 ? 0 : level, get_frame_pc (fi));
list_chain = make_cleanup_ui_out_tuple_begin_end (uiout, "frame");
ui_out_field_fmt_int (uiout, 2, ui_left, "level", level);
}
if (addressprint)
- if (fi->pc != sal.pc || !sal.symtab || source == LOC_AND_ADDRESS)
+ if (get_frame_pc (fi) != sal.pc
+ || !sal.symtab
+ || source == LOC_AND_ADDRESS)
{
annotate_frame_address ();
- ui_out_field_core_addr (uiout, "addr", fi->pc);
+ ui_out_field_core_addr (uiout, "addr", get_frame_pc (fi));
annotate_frame_address_end ();
ui_out_text (uiout, " in ");
}
#ifdef PC_SOLIB
if (!funname || (!sal.symtab || !sal.symtab->filename))
{
- char *lib = PC_SOLIB (fi->pc);
+ char *lib = PC_SOLIB (get_frame_pc (fi));
if (lib)
{
annotate_frame_where ();
do_cleanups (old_chain);
}
\f
-
-/* Show or print the frame info. If this is the tui, it will be shown in
- the source display */
-void
-print_frame_info (struct frame_info *fi, register int level, int source,
- int args)
-{
- print_frame_info_base (fi, level, source, args);
-}
-
/* Show the frame info. If this is the tui, it will be shown in
the source display otherwise, nothing is done */
void
switch (numargs)
{
case 0:
- if (selected_frame == NULL)
+ if (deprecated_selected_frame == NULL)
error ("No selected frame.");
- return selected_frame;
+ return deprecated_selected_frame;
/* NOTREACHED */
case 1:
{
(s)he gets. Still, give the highest one that matches. */
for (fid = get_current_frame ();
- fid && fid->frame != args[0];
+ fid && get_frame_base (fid) != args[0];
fid = get_prev_frame (fid))
;
if (fid)
while ((tfid = get_prev_frame (fid)) &&
- (tfid->frame == args[0]))
+ (get_frame_base (tfid) == args[0]))
fid = tfid;
/* We couldn't identify the frame as an existing frame, but
if (fi == NULL)
error ("Invalid frame specified.");
- sal = find_pc_line (fi->pc,
- fi->next != NULL
- && !(get_frame_type (fi->next) == SIGTRAMP_FRAME)
- && !(get_frame_type (fi->next) == DUMMY_FRAME));
+ find_frame_sal (fi, &sal);
func = get_frame_function (fi);
- s = find_pc_symtab (fi->pc);
+ /* FIXME: cagney/2002-11-28: Why bother? Won't sal.symtab contain
+ the same value. */
+ s = find_pc_symtab (get_frame_pc (fi));
if (func)
{
/* I'd like to use SYMBOL_SOURCE_NAME() here, to display
}
else
{
- register struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (fi->pc);
+ register struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (get_frame_pc (fi));
if (msymbol != NULL)
{
funname = SYMBOL_NAME (msymbol);
}
calling_frame_info = get_prev_frame (fi);
- if (!addr_exp && frame_relative_level (selected_frame) >= 0)
+ if (!addr_exp && frame_relative_level (deprecated_selected_frame) >= 0)
{
printf_filtered ("Stack level %d, frame at ",
- frame_relative_level (selected_frame));
- print_address_numeric (fi->frame, 1, gdb_stdout);
+ frame_relative_level (deprecated_selected_frame));
+ print_address_numeric (get_frame_base (fi), 1, gdb_stdout);
printf_filtered (":\n");
}
else
{
printf_filtered ("Stack frame at ");
- print_address_numeric (fi->frame, 1, gdb_stdout);
+ print_address_numeric (get_frame_base (fi), 1, gdb_stdout);
printf_filtered (":\n");
}
printf_filtered (" %s = ", REGISTER_NAME (PC_REGNUM));
- print_address_numeric (fi->pc, 1, gdb_stdout);
+ print_address_numeric (get_frame_pc (fi), 1, gdb_stdout);
wrap_here (" ");
if (funname)
if (calling_frame_info)
{
printf_filtered (" called by frame at ");
- print_address_numeric (calling_frame_info->frame, 1, gdb_stdout);
+ print_address_numeric (get_frame_base (calling_frame_info),
+ 1, gdb_stdout);
}
- if (fi->next && calling_frame_info)
+ if (get_next_frame (fi) && calling_frame_info)
puts_filtered (",");
wrap_here (" ");
- if (fi->next)
+ if (get_next_frame (fi))
{
printf_filtered (" caller of frame at ");
- print_address_numeric (fi->next->frame, 1, gdb_stdout);
+ print_address_numeric (get_frame_base (get_next_frame (fi)), 1,
+ gdb_stdout);
}
- if (fi->next || calling_frame_info)
+ if (get_next_frame (fi) || calling_frame_info)
puts_filtered ("\n");
if (s)
- printf_filtered (" source language %s.\n", language_str (s->language));
+ printf_filtered (" source language %s.\n",
+ language_str (s->language));
#ifdef PRINT_EXTRA_FRAME_INFO
PRINT_EXTRA_FRAME_INFO (fi);
}
}
- if (fi->saved_regs == NULL)
+ if (FRAME_INIT_SAVED_REGS_P ()
+ && get_frame_saved_regs (fi) == NULL)
FRAME_INIT_SAVED_REGS (fi);
/* Print as much information as possible on the location of all the
registers. */
means further attempts to backtrace would fail (on the other
hand, perhaps the code does or could be fixed to make sure
the frame->prev field gets set to NULL in that case). */
- print_frame_info_base (fi, trailing_level + i, 0, 1);
+ print_frame_info (fi, trailing_level + i, 0, 1);
if (show_locals)
print_frame_local_vars (fi, 1, gdb_stdout);
}
register int values_printed = 0;
int index, have_default = 0;
char *blocks_printed;
- CORE_ADDR pc = fi->pc;
+ CORE_ADDR pc = get_frame_pc (fi);
if (block == 0)
{
void
locals_info (char *args, int from_tty)
{
- if (!selected_frame)
+ if (!deprecated_selected_frame)
error ("No frame selected.");
- print_frame_local_vars (selected_frame, 0, gdb_stdout);
+ print_frame_local_vars (deprecated_selected_frame, 0, gdb_stdout);
}
static void
system to find the list of active handlers, etc. */
fprintf_filtered (gdb_stdout, "Info catch not supported with this target/compiler combination.\n");
#if 0
- if (!selected_frame)
+ if (!deprecated_selected_frame)
error ("No frame selected.");
#endif
}
else
{
/* Assume g++ compiled code -- old v 4.16 behaviour */
- if (!selected_frame)
+ if (!deprecated_selected_frame)
error ("No frame selected.");
- print_frame_label_vars (selected_frame, 0, gdb_stdout);
+ print_frame_label_vars (deprecated_selected_frame, 0, gdb_stdout);
}
}
void
args_info (char *ignore, int from_tty)
{
- if (!selected_frame)
+ if (!deprecated_selected_frame)
error ("No frame selected.");
- print_frame_arg_vars (selected_frame, gdb_stdout);
+ print_frame_arg_vars (deprecated_selected_frame, gdb_stdout);
}
}
\f
-/* Select frame FI (or NULL - to invalidate the current frame). */
-
-void
-select_frame (struct frame_info *fi)
-{
- register struct symtab *s;
-
- selected_frame = fi;
- /* NOTE: cagney/2002-05-04: FI can be NULL. This occures when the
- frame is being invalidated. */
- if (selected_frame_level_changed_hook)
- selected_frame_level_changed_hook (frame_relative_level (fi));
-
- /* FIXME: kseitz/2002-08-28: It would be nice to call
- selected_frame_level_changed_event right here, but due to limitations
- in the current interfaces, we would end up flooding UIs with events
- because select_frame is used extensively internally.
-
- Once we have frame-parameterized frame (and frame-related) commands,
- the event notification can be moved here, since this function will only
- be called when the users selected frame is being changed. */
-
- /* Ensure that symbols for this frame are read in. Also, determine the
- source language of this frame, and switch to it if desired. */
- if (fi)
- {
- s = find_pc_symtab (fi->pc);
- if (s
- && s->language != current_language->la_language
- && s->language != language_unknown
- && language_mode == language_mode_auto)
- {
- set_language (s->language);
- }
- }
-}
-\f
-
/* Select frame FI. Also print the stack frame and show the source if
this is the tui version. */
static void
if (!target_has_stack)
return 0;
- if (!selected_frame)
- return get_current_block (addr_in_block);
- return get_frame_block (selected_frame, addr_in_block);
+ /* NOTE: cagney/2002-11-28: Why go to all this effort to not create
+ a selected/current frame? Perhaphs this function is called,
+ indirectly, by WFI in "infrun.c" where avoiding the creation of
+ an inner most frame is very important (it slows down single
+ step). I suspect, though that this was true in the deep dark
+ past but is no longer the case. A mindless look at all the
+ callers tends to support this theory. I think we should be able
+ to assume that there is always a selcted frame. */
+ /* gdb_assert (deprecated_selected_frame != NULL); So, do you feel
+ lucky? */
+ if (!deprecated_selected_frame)
+ {
+ CORE_ADDR pc = read_pc ();
+ if (addr_in_block != NULL)
+ *addr_in_block = pc;
+ return block_for_pc (pc);
+ }
+ return get_frame_block (deprecated_selected_frame, addr_in_block);
}
/* Find a frame a certain number of levels away from FRAME.
select_frame_command (char *level_exp, int from_tty)
{
struct frame_info *frame;
- int level = frame_relative_level (selected_frame);
+ int level = frame_relative_level (deprecated_selected_frame);
if (!target_has_stack)
error ("No stack.");
frame = parse_frame_specification (level_exp);
select_frame (frame);
- if (level != frame_relative_level (selected_frame))
- selected_frame_level_changed_event (frame_relative_level (selected_frame));
+ if (level != frame_relative_level (deprecated_selected_frame))
+ selected_frame_level_changed_event (frame_relative_level (deprecated_selected_frame));
}
/* The "frame" command. With no arg, print selected frame briefly.
frame_command (char *level_exp, int from_tty)
{
select_frame_command (level_exp, from_tty);
- show_and_print_stack_frame (selected_frame,
- frame_relative_level (selected_frame), 1);
+ print_stack_frame (deprecated_selected_frame,
+ frame_relative_level (deprecated_selected_frame), 1);
}
/* The XDB Compatibility command to print the current frame. */
static void
current_frame_command (char *level_exp, int from_tty)
{
- if (target_has_stack == 0 || selected_frame == 0)
+ if (target_has_stack == 0 || deprecated_selected_frame == 0)
error ("No stack.");
- print_only_stack_frame (selected_frame,
- frame_relative_level (selected_frame), 1);
+ print_stack_frame (deprecated_selected_frame,
+ frame_relative_level (deprecated_selected_frame), 1);
}
/* Select the frame up one or COUNT stack levels
count = parse_and_eval_long (count_exp);
count1 = count;
- if (target_has_stack == 0 || selected_frame == 0)
+ if (target_has_stack == 0 || deprecated_selected_frame == 0)
error ("No stack.");
- fi = find_relative_frame (selected_frame, &count1);
+ fi = find_relative_frame (deprecated_selected_frame, &count1);
if (count1 != 0 && count_exp == 0)
error ("Initial frame selected; you cannot go up.");
select_frame (fi);
- selected_frame_level_changed_event (frame_relative_level (selected_frame));
+ selected_frame_level_changed_event (frame_relative_level (deprecated_selected_frame));
}
static void
up_command (char *count_exp, int from_tty)
{
up_silently_base (count_exp);
- show_and_print_stack_frame (selected_frame,
- frame_relative_level (selected_frame), 1);
+ print_stack_frame (deprecated_selected_frame,
+ frame_relative_level (deprecated_selected_frame), 1);
}
/* Select the frame down one or COUNT stack levels
count = -parse_and_eval_long (count_exp);
count1 = count;
- if (target_has_stack == 0 || selected_frame == 0)
+ if (target_has_stack == 0 || deprecated_selected_frame == 0)
error ("No stack.");
- frame = find_relative_frame (selected_frame, &count1);
+ frame = find_relative_frame (deprecated_selected_frame, &count1);
if (count1 != 0 && count_exp == 0)
{
}
select_frame (frame);
- selected_frame_level_changed_event (frame_relative_level (selected_frame));
+ selected_frame_level_changed_event (frame_relative_level (deprecated_selected_frame));
}
/* ARGSUSED */
down_command (char *count_exp, int from_tty)
{
down_silently_base (count_exp);
- show_and_print_stack_frame (selected_frame,
- frame_relative_level (selected_frame), 1);
+ print_stack_frame (deprecated_selected_frame,
+ frame_relative_level (deprecated_selected_frame), 1);
}
\f
void
struct frame_info *frame;
struct value *return_value = NULL;
- if (selected_frame == NULL)
+ if (deprecated_selected_frame == NULL)
error ("No selected frame.");
- thisfun = get_frame_function (selected_frame);
- selected_frame_addr = FRAME_FP (selected_frame);
- selected_frame_pc = selected_frame->pc;
+ thisfun = get_frame_function (deprecated_selected_frame);
+ selected_frame_addr = get_frame_base (deprecated_selected_frame);
+ selected_frame_pc = get_frame_pc (deprecated_selected_frame);
/* Compute the return value (if any -- possibly getting errors here). */
error ("Not confirmed.");
}
+ /* FIXME: cagney/2003-01-18: Rather than pop each frame in turn,
+ this code should just go straight to the relevant frame and pop
+ that. */
+
/* Do the real work. Pop until the specified frame is current. We
- use this method because the selected_frame is not valid after
+ use this method because the deprecated_selected_frame is not valid after
a POP_FRAME. The pc comparison makes this work even if the
selected frame shares its fp with another frame. */
- while (selected_frame_addr != (frame = get_current_frame ())->frame
- || selected_frame_pc != frame->pc)
- POP_FRAME;
+ while (selected_frame_addr != get_frame_base (frame = get_current_frame ())
+ || selected_frame_pc != get_frame_pc (frame))
+ frame_pop (get_current_frame ());
/* Then pop that frame. */
- POP_FRAME;
+ frame_pop (get_current_frame ());
/* Compute the return value (if any) and store in the place
for return values. */
/* If we are at the end of a call dummy now, pop the dummy frame too. */
+ /* FIXME: cagney/2003-01-18: This is silly. Instead of popping all
+ the frames except the dummy, and then, as an afterthought,
+ popping the dummy frame, this code should just pop through to the
+ dummy frame. */
+
if (CALL_DUMMY_HAS_COMPLETED (read_pc(), read_sp (),
- FRAME_FP (get_current_frame ())))
- POP_FRAME;
+ get_frame_base (get_current_frame ())))
+ frame_pop (get_current_frame ());
/* If interactive, print the frame that is now current. */
do
{
for (i = 0; (i < sals.nelts && !found); i++)
- found = (fp->pc >= func_bounds[i].low &&
- fp->pc < func_bounds[i].high);
+ found = (get_frame_pc (fp) >= func_bounds[i].low &&
+ get_frame_pc (fp) < func_bounds[i].high);
if (!found)
{
level = 1;
if (!found)
printf_filtered ("'%s' not within current stack frame.\n", arg);
- else if (fp != selected_frame)
+ else if (fp != deprecated_selected_frame)
select_and_print_frame (fp);
}
register struct symtab *s;
enum language flang; /* The language of the current frame */
- if (selected_frame)
+ if (deprecated_selected_frame)
{
- s = find_pc_symtab (selected_frame->pc);
+ s = find_pc_symtab (get_frame_pc (deprecated_selected_frame));
if (s)
flang = s->language;
else