struct symbol *
get_frame_function (struct frame_info *frame)
{
register struct block *bl = get_frame_block (frame);
if (bl == 0)
return 0;
return block_function (bl);
}
struct symbol *
get_frame_function (struct frame_info *frame)
{
struct block *bl = get_frame_block (frame, 0);
if (bl == 0)
return 0;
return block_linkage_function (bl);
}
struct symbol *
get_frame_function_inlined (struct frame_info * frame)
{
struct block *bl = get_frame_block (frame, 0);
struct bfd_section *sect;
if (bl == 0)
return 0;
sect = find_pc_mapped_section (bl->startaddr);
return block_inlined_function (bl, sect);
}
static int
wrap_get_frame_block (char *opaque_arg)
{
struct gdb_wrapper_arguments **args = (struct gdb_wrapper_arguments **) opaque_arg;
struct frame_info *fi;
fi = (struct frame_info *) (*args)->args[0].ptr;
(*args)->result.cstptr = get_frame_block (fi, NULL);
return 1;
}
struct symbol *
get_frame_function (struct frame_info *frame)
{
struct block *bl = get_frame_block (frame, 0);
if (bl == NULL)
return NULL;
while (BLOCK_FUNCTION (bl) == NULL && BLOCK_SUPERBLOCK (bl) != NULL)
bl = BLOCK_SUPERBLOCK (bl);
return BLOCK_FUNCTION (bl);
}
/* Using the frame specified in BATON, find the location expression
describing the frame base. Return a pointer to it in START and
its length in LENGTH. */
static void
dwarf_expr_frame_base (void *baton, gdb_byte **start, size_t * length)
{
/* FIXME: cagney/2003-03-26: This code should be using
get_frame_base_address(), and then implement a dwarf2 specific
this_base method. */
struct symbol *framefunc;
struct dwarf_expr_baton *debaton = (struct dwarf_expr_baton *) baton;
/* Use block_linkage_function, which returns a real (not inlined)
function, instead of get_frame_function, which may return an
inlined function. */
framefunc = block_linkage_function (get_frame_block (debaton->frame, NULL));
/* If we found a frame-relative symbol then it was certainly within
some function associated with a frame. If we can't find the frame,
something has gone wrong. */
gdb_assert (framefunc != NULL);
if (SYMBOL_LOCATION_BATON (framefunc) == NULL)
*start = NULL;
else if (SYMBOL_COMPUTED_OPS (framefunc) == &dwarf2_loclist_funcs)
{
struct dwarf2_loclist_baton *symbaton;
struct frame_info *frame = debaton->frame;
symbaton = SYMBOL_LOCATION_BATON (framefunc);
*start = find_location_expression (symbaton, length,
get_frame_address_in_block (frame));
}
else
{
struct dwarf2_locexpr_baton *symbaton;
symbaton = SYMBOL_LOCATION_BATON (framefunc);
if (symbaton != NULL)
{
*length = symbaton->size;
*start = symbaton->data;
}
else
*start = NULL;
}
if (*start == NULL)
error (_("Could not find the frame base for \"%s\"."),
SYMBOL_NATURAL_NAME (framefunc));
}
struct frame_info *
block_innermost_frame (const struct block *block)
{
struct frame_info *frame;
if (block == NULL)
return NULL;
frame = get_selected_frame_if_set ();
if (frame == NULL)
frame = get_current_frame ();
while (frame != NULL)
{
const struct block *frame_block = get_frame_block (frame, NULL);
if (frame_block != NULL && contained_in (frame_block, block))
return frame;
frame = get_prev_frame (frame);
}
return NULL;
}
/* Using the frame specified in BATON, find the location expression
describing the frame base. Return a pointer to it in START and
its length in LENGTH. */
static void
dwarf_expr_frame_base (void *baton, gdb_byte **start, size_t * length)
{
/* FIXME: cagney/2003-03-26: This code should be using
get_frame_base_address(), and then implement a dwarf2 specific
this_base method. */
struct symbol *framefunc;
struct dwarf_expr_baton *debaton = (struct dwarf_expr_baton *) baton;
/* Use block_linkage_function, which returns a real (not inlined)
function, instead of get_frame_function, which may return an
inlined function. */
framefunc = block_linkage_function (get_frame_block (debaton->frame, NULL));
/* If we found a frame-relative symbol then it was certainly within
some function associated with a frame. If we can't find the frame,
something has gone wrong. */
gdb_assert (framefunc != NULL);
dwarf_expr_frame_base_1 (framefunc,
get_frame_address_in_block (debaton->frame),
start, length);
}
static void
list_args_or_locals (enum what_to_list what, enum print_values values,
struct frame_info *fi, int skip_unavailable)
{
const struct block *block;
struct symbol *sym;
struct block_iterator iter;
struct cleanup *cleanup_list;
struct type *type;
char *name_of_result;
struct ui_out *uiout = current_uiout;
block = get_frame_block (fi, 0);
switch (what)
{
case locals:
name_of_result = "locals";
break;
case arguments:
name_of_result = "args";
break;
case all:
name_of_result = "variables";
break;
default:
internal_error (__FILE__, __LINE__,
"unexpected what_to_list: %d", (int) what);
}
cleanup_list = make_cleanup_ui_out_list_begin_end (uiout, name_of_result);
while (block != 0)
{
ALL_BLOCK_SYMBOLS (block, iter, sym)
{
int print_me = 0;
switch (SYMBOL_CLASS (sym))
{
default:
case LOC_UNDEF: /* catches errors */
case LOC_CONST: /* constant */
case LOC_TYPEDEF: /* local typedef */
case LOC_LABEL: /* local label */
case LOC_BLOCK: /* local function */
case LOC_CONST_BYTES: /* loc. byte seq. */
case LOC_UNRESOLVED: /* unresolved static */
case LOC_OPTIMIZED_OUT: /* optimized out */
print_me = 0;
break;
case LOC_ARG: /* argument */
case LOC_REF_ARG: /* reference arg */
case LOC_REGPARM_ADDR: /* indirect register arg */
case LOC_LOCAL: /* stack local */
case LOC_STATIC: /* static */
case LOC_REGISTER: /* register */
case LOC_COMPUTED: /* computed location */
if (what == all)
print_me = 1;
else if (what == locals)
print_me = !SYMBOL_IS_ARGUMENT (sym);
else
print_me = SYMBOL_IS_ARGUMENT (sym);
break;
}
if (print_me)
{
struct symbol *sym2;
struct frame_arg arg, entryarg;
if (SYMBOL_IS_ARGUMENT (sym))
sym2 = lookup_symbol (SYMBOL_LINKAGE_NAME (sym),
block, VAR_DOMAIN,
NULL);
else
sym2 = sym;
gdb_assert (sym2 != NULL);
memset (&arg, 0, sizeof (arg));
arg.sym = sym2;
arg.entry_kind = print_entry_values_no;
memset (&entryarg, 0, sizeof (entryarg));
entryarg.sym = sym2;
entryarg.entry_kind = print_entry_values_no;
switch (values)
{
case PRINT_SIMPLE_VALUES:
type = check_typedef (sym2->type);
if (TYPE_CODE (type) != TYPE_CODE_ARRAY
&& TYPE_CODE (type) != TYPE_CODE_STRUCT
&& TYPE_CODE (type) != TYPE_CODE_UNION)
{
case PRINT_ALL_VALUES:
if (SYMBOL_IS_ARGUMENT (sym))
read_frame_arg (sym2, fi, &arg, &entryarg);
else
read_frame_local (sym2, fi, &arg);
}
break;
}
if (arg.entry_kind != print_entry_values_only)
list_arg_or_local (&arg, what, values, skip_unavailable);
if (entryarg.entry_kind != print_entry_values_no)
list_arg_or_local (&entryarg, what, values, skip_unavailable);
xfree (arg.error);
xfree (entryarg.error);
}
}
if (BLOCK_FUNCTION (block))
break;
else
block = BLOCK_SUPERBLOCK (block);
}
/* Print a list of the locals or the arguments for the currently
selected frame. If the argument passed is 0, printonly the names
of the variables, if an argument of 1 is passed, print the values
as well. */
static void
list_args_or_locals (int locals, int values, struct frame_info *fi)
{
struct block *block;
struct symbol *sym;
struct dict_iterator iter;
int nsyms;
struct cleanup *cleanup_list;
static struct ui_stream *stb = NULL;
struct type *type;
stb = ui_out_stream_new (uiout);
block = get_frame_block (fi, 0);
cleanup_list = make_cleanup_ui_out_list_begin_end (uiout, locals ? "locals" : "args");
while (block != 0)
{
ALL_BLOCK_SYMBOLS (block, iter, sym)
{
int print_me = 0;
switch (SYMBOL_CLASS (sym))
{
default:
case LOC_UNDEF: /* catches errors */
case LOC_CONST: /* constant */
case LOC_TYPEDEF: /* local typedef */
case LOC_LABEL: /* local label */
case LOC_BLOCK: /* local function */
case LOC_CONST_BYTES: /* loc. byte seq. */
case LOC_UNRESOLVED: /* unresolved static */
case LOC_OPTIMIZED_OUT: /* optimized out */
print_me = 0;
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 */
case LOC_COMPUTED_ARG: /* arg with computed location */
if (!locals)
print_me = 1;
break;
case LOC_LOCAL: /* stack local */
case LOC_BASEREG: /* basereg local */
case LOC_STATIC: /* static */
case LOC_REGISTER: /* register */
case LOC_COMPUTED: /* computed location */
if (locals)
print_me = 1;
break;
}
if (print_me)
{
struct cleanup *cleanup_tuple = NULL;
struct symbol *sym2;
if (values != PRINT_NO_VALUES)
cleanup_tuple =
make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
ui_out_field_string (uiout, "name", SYMBOL_PRINT_NAME (sym));
if (!locals)
sym2 = lookup_symbol (SYMBOL_NATURAL_NAME (sym),
block, VAR_DOMAIN,
(int *) NULL,
(struct symtab **) NULL);
else
sym2 = sym;
switch (values)
{
case PRINT_SIMPLE_VALUES:
type = check_typedef (sym2->type);
type_print (sym2->type, "", stb->stream, -1);
ui_out_field_stream (uiout, "type", stb);
if (TYPE_CODE (type) != TYPE_CODE_ARRAY
&& TYPE_CODE (type) != TYPE_CODE_STRUCT
&& TYPE_CODE (type) != TYPE_CODE_UNION)
{
print_variable_value (sym2, fi, stb->stream);
ui_out_field_stream (uiout, "value", stb);
}
do_cleanups (cleanup_tuple);
break;
case PRINT_ALL_VALUES:
print_variable_value (sym2, fi, stb->stream);
ui_out_field_stream (uiout, "value", stb);
do_cleanups (cleanup_tuple);
break;
}
}
}
if (BLOCK_FUNCTION (block))
break;
else
block = BLOCK_SUPERBLOCK (block);
}
