#include "gdbcmd.h"
#include "gdbcore.h"
#include "target.h"
+#include "source.h"
#include "breakpoint.h"
#include "demangle.h"
#include "inferior.h"
void _initialize_stack (void);
-/* Prototypes for local functions. */
+void return_command (char *, int);
-static void return_command (char *, int);
+/* Prototypes for local functions. */
static void down_command (char *, int);
static void frame_info (char *, int);
extern int addressprint; /* Print addresses, or stay symbolic only? */
-extern int lines_to_list; /* # of lines "list" command shows by default */
/* 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;
-/* Level of the selected frame:
- 0 for innermost, 1 for its caller, ...
- or -1 for frame specified by address with no defined level. */
-
-/* Level of the selected frame: 0 for innermost, 1 for its caller, ...
- or -1 for NULL frame. */
-
-int
-frame_relative_level (struct frame_info *fi)
-{
- if (fi == NULL)
- return -1;
- else
- return fi->level;
-}
-
/* 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 source_print;
int location_print;
-#if 0
- char buf[MAX_REGISTER_RAW_SIZE];
- CORE_ADDR sp;
-
- /* On the 68k, this spends too much time in m68k_find_saved_regs. */
-
- /* Get the value of SP_REGNUM relative to the frame. */
- get_saved_register (buf, (int *) NULL, (CORE_ADDR *) NULL,
- FRAME_INFO_ID (fi), SP_REGNUM, (enum lval_type *) NULL);
- sp = extract_address (buf, REGISTER_RAW_SIZE (SP_REGNUM));
-
- /* This is not a perfect test, because if a function alloca's some
- memory, puts some code there, and then jumps into it, then the test
- will succeed even though there is no call dummy. Probably best is
- to check for a bp_call_dummy breakpoint. */
- if (PC_IN_CALL_DUMMY (fi->pc, sp, fi->frame))
-#else
- if (frame_in_dummy (fi))
-#endif
+ if (get_frame_type (fi) == DUMMY_FRAME)
{
annotate_frame_begin (level == -1 ? 0 : level, fi->pc);
/* Do this regardless of SOURCE because we don't have any source
to list for this frame. */
if (level >= 0)
- printf_filtered ("#%-2d ", level);
+ {
+ 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 (fi->signal_handler_caller)
+ if ((get_frame_type (fi) == SIGTRAMP_FRAME))
{
annotate_frame_begin (level == -1 ? 0 : level, fi->pc);
/* Do this regardless of SOURCE because we don't have any source
to list for this frame. */
if (level >= 0)
- printf_filtered ("#%-2d ", level);
+ {
+ ui_out_text (uiout, "#");
+ ui_out_field_fmt_int (uiout, 2, ui_left, "level", level);
+ }
annotate_signal_handler_caller ();
printf_filtered ("<signal handler called>\n");
annotate_frame_end ();
}
/* If fi is not the innermost frame, that normally means that fi->pc
- points to *after* the call instruction, and we want to get the line
- containing the call, never the next line. But if the next frame is
- a signal_handler_caller 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
- && !fi->next->signal_handler_caller
- && !frame_in_dummy (fi->next));
+ points to *after* the call instruction, and we want to get the
+ line containing the call, never the next line. But if the next
+ 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. */
+ find_frame_sal (fi, &sal);
location_print = (source == LOCATION
|| source == LOC_AND_ADDRESS
source_print = (source == SRC_LINE || source == SRC_AND_LOC);
+ if (sal.symtab)
+ set_current_source_symtab_and_line (&sal);
+
if (source_print && sal.symtab)
{
+ struct symtab_and_line cursal;
int done = 0;
int mid_statement = (source == SRC_LINE) && (fi->pc != sal.pc);
if (!done)
{
if (print_frame_info_listing_hook)
- {
- print_frame_info_listing_hook (sal.symtab, sal.line, sal.line + 1, 0);
- current_source_symtab = sal.symtab;
- }
+ print_frame_info_listing_hook (sal.symtab, sal.line, sal.line + 1, 0);
else
{
/* We used to do this earlier, but that is clearly
print_source_lines (sal.symtab, sal.line, sal.line + 1, 0);
}
}
- current_source_line = max (sal.line - lines_to_list / 2, 1);
+ /* Make sure we have at least a default source file */
+ set_default_source_symtab_and_line ();
+ cursal = get_current_source_symtab_and_line ();
+ cursal.line = max (sal.line - get_lines_to_list () / 2, 1);
+ set_current_source_symtab_and_line (&cursal);
}
if (source != 0)
stb = ui_out_stream_new (uiout);
old_chain = make_cleanup_ui_out_stream_delete (stb);
- func = find_pc_function (fi->pc);
+ func = find_pc_function (frame_address_in_block (fi));
if (func)
{
/* In certain pathological cases, the symtabs give the wrong
ever changed many parts of GDB will need to be changed (and we'll
create a find_pc_minimal_function or some such). */
- struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (fi->pc);
+ struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (frame_address_in_block (fi));
if (msymbol != NULL
&& (SYMBOL_VALUE_ADDRESS (msymbol)
> BLOCK_START (SYMBOL_BLOCK_VALUE (func))))
}
else
{
- struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (fi->pc);
+ struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (frame_address_in_block (fi));
if (msymbol != NULL)
{
funname = SYMBOL_NAME (msymbol);
if (level >= 0)
{
ui_out_text (uiout, "#");
- ui_out_field_fmt (uiout, "level", "%-2d", level);
- ui_out_spaces (uiout, 1);
+ 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 (fi == NULL)
error ("Invalid frame specified.");
- sal = find_pc_line (fi->pc,
- fi->next != NULL
- && !fi->next->signal_handler_caller
- && !frame_in_dummy (fi->next));
+ find_frame_sal (fi, &sal);
func = get_frame_function (fi);
+ /* FIXME: cagney/2002-11-28: Why bother? Won't sal.symtab contain
+ the same value. */
s = find_pc_symtab (fi->pc);
if (func)
{
puts_filtered ("; ");
wrap_here (" ");
printf_filtered ("saved %s ", REGISTER_NAME (PC_REGNUM));
- print_address_numeric (FRAME_SAVED_PC (fi), 1, gdb_stdout);
+ print_address_numeric (frame_pc_unwind (fi), 1, gdb_stdout);
printf_filtered ("\n");
{
if (fi->next || 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);
fi = get_prev_frame (fi))
{
QUIT;
- ps = find_pc_psymtab (fi->pc);
+ ps = find_pc_psymtab (frame_address_in_block (fi));
if (ps)
PSYMTAB_TO_SYMTAB (ps); /* Force syms to come in */
}
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)
}
}
\f
-
-/* Store the selected frame and its level into *FRAMEP and *LEVELP.
- If there is no selected frame, *FRAMEP is set to NULL. */
-
-void
-record_selected_frame (CORE_ADDR *frameaddrp, int *levelp)
-{
- *frameaddrp = selected_frame ? selected_frame->frame : 0;
- *levelp = frame_relative_level (selected_frame);
-}
-
/* Return the symbol-block in which the selected frame is executing.
Can return zero under various legitimate circumstances.
if (!target_has_stack)
return 0;
+ /* 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 (selected_frame != NULL); So, do you feel lucky? */
if (!selected_frame)
- return get_current_block (addr_in_block);
+ {
+ CORE_ADDR pc = read_pc ();
+ if (addr_in_block != NULL)
+ *addr_in_block = pc;
+ return block_for_pc (pc);
+ }
return get_frame_block (selected_frame, addr_in_block);
}
static void
select_frame_command (char *level_exp, int from_tty)
{
- register struct frame_info *frame, *frame1;
- unsigned int level = 0;
+ struct frame_info *frame;
+ int level = frame_relative_level (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));
}
/* The "frame" command. With no arg, print selected frame briefly.
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));
}
static void
}
select_frame (frame);
+ selected_frame_level_changed_event (frame_relative_level (selected_frame));
}
/* ARGSUSED */
}
\f
void
-return_command_wrapper (char *retval_exp, int from_tty)
-{
- return_command (retval_exp, from_tty);
-}
-
-static void
return_command (char *retval_exp, int from_tty)
{
struct symbol *thisfun;
if (selected_frame == NULL)
error ("No selected frame.");
thisfun = get_frame_function (selected_frame);
- selected_frame_addr = FRAME_FP (selected_frame);
+ selected_frame_addr = get_frame_base (selected_frame);
selected_frame_pc = selected_frame->pc;
/* Compute the return value (if any -- possibly getting errors here). */
/* If we are at the end of a call dummy now, pop the dummy frame too. */
if (CALL_DUMMY_HAS_COMPLETED (read_pc(), read_sp (),
- FRAME_FP (get_current_frame ())))
+ get_frame_base (get_current_frame ())))
POP_FRAME;
/* If interactive, print the frame that is now current. */
projects / thirdparty / binutils-gdb.git / blobdiff