/* Support for printing Fortran values for GDB, the GNU debugger.
Copyright (C) 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2003, 2005, 2006,
- 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+ 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
Contributed by Motorola. Adapted from the C definitions by Farooq Butt
(fmbutt@engage.sps.mot.com), additionally worked over by Stan Shebs.
int f77_array_offset_tbl[MAX_FORTRAN_DIMS + 1][2];
/* Array which holds offsets to be applied to get a row's elements
- for a given array. Array also holds the size of each subarray. */
+ for a given array. Array also holds the size of each subarray. */
/* The following macro gives us the size of the nth dimension, Where
- n is 1 based. */
+ n is 1 based. */
#define F77_DIM_SIZE(n) (f77_array_offset_tbl[n][1])
-/* The following gives us the offset for row n where n is 1-based. */
+/* The following gives us the offset for row n where n is 1-based. */
#define F77_DIM_OFFSET(n) (f77_array_offset_tbl[n][0])
return TYPE_ARRAY_UPPER_BOUND_VALUE (type);
}
-/* Obtain F77 adjustable array dimensions */
+/* Obtain F77 adjustable array dimensions. */
static void
f77_get_dynamic_length_of_aggregate (struct type *type)
{
int upper_bound = -1;
int lower_bound = 1;
- int retcode;
/* Recursively go all the way down into a possibly multi-dimensional
F77 array and get the bounds. For simple arrays, this is pretty
lower_bound = f77_get_lowerbound (type);
upper_bound = f77_get_upperbound (type);
- /* Patch in a valid length value. */
+ /* Patch in a valid length value. */
TYPE_LENGTH (type) =
- (upper_bound - lower_bound + 1) * TYPE_LENGTH (check_typedef (TYPE_TARGET_TYPE (type)));
+ (upper_bound - lower_bound + 1)
+ * TYPE_LENGTH (check_typedef (TYPE_TARGET_TYPE (type)));
}
/* Function that sets up the array offset,size table for the array
struct type *tmp_type;
int eltlen;
int ndimen = 1;
- int upper, lower, retcode;
+ int upper, lower;
tmp_type = type;
/* Now we multiply eltlen by all the offsets, so that later we
can print out array elements correctly. Up till now we
know an offset to apply to get the item but we also
- have to know how much to add to get to the next item */
+ have to know how much to add to get to the next item. */
ndimen--;
eltlen = TYPE_LENGTH (tmp_type);
static void
f77_print_array_1 (int nss, int ndimensions, struct type *type,
- const gdb_byte *valaddr, CORE_ADDR address,
+ const gdb_byte *valaddr,
+ int embedded_offset, CORE_ADDR address,
struct ui_file *stream, int recurse,
+ const struct value *val,
const struct value_print_options *options,
int *elts)
{
if (nss != ndimensions)
{
- for (i = 0; (i < F77_DIM_SIZE (nss) && (*elts) < options->print_max); i++)
+ for (i = 0;
+ (i < F77_DIM_SIZE (nss) && (*elts) < options->print_max);
+ i++)
{
fprintf_filtered (stream, "( ");
f77_print_array_1 (nss + 1, ndimensions, TYPE_TARGET_TYPE (type),
- valaddr + i * F77_DIM_OFFSET (nss),
- address + i * F77_DIM_OFFSET (nss),
- stream, recurse, options, elts);
+ valaddr,
+ embedded_offset + i * F77_DIM_OFFSET (nss),
+ address,
+ stream, recurse, val, options, elts);
fprintf_filtered (stream, ") ");
}
if (*elts >= options->print_max && i < F77_DIM_SIZE (nss))
i++, (*elts)++)
{
val_print (TYPE_TARGET_TYPE (type),
- valaddr + i * F77_DIM_OFFSET (ndimensions),
- 0,
- address + i * F77_DIM_OFFSET (ndimensions),
- stream, recurse, options, current_language);
+ valaddr,
+ embedded_offset + i * F77_DIM_OFFSET (ndimensions),
+ address, stream, recurse,
+ val, options, current_language);
if (i != (F77_DIM_SIZE (nss) - 1))
fprintf_filtered (stream, ", ");
}
/* This function gets called to print an F77 array, we set up some
- stuff and then immediately call f77_print_array_1() */
+ stuff and then immediately call f77_print_array_1(). */
static void
f77_print_array (struct type *type, const gdb_byte *valaddr,
+ int embedded_offset,
CORE_ADDR address, struct ui_file *stream,
- int recurse, const struct value_print_options *options)
+ int recurse,
+ const struct value *val,
+ const struct value_print_options *options)
{
int ndimensions;
int elts = 0;
ndimensions = calc_f77_array_dims (type);
if (ndimensions > MAX_FORTRAN_DIMS || ndimensions < 0)
- error (_("Type node corrupt! F77 arrays cannot have %d subscripts (%d Max)"),
+ error (_("\
+Type node corrupt! F77 arrays cannot have %d subscripts (%d Max)"),
ndimensions, MAX_FORTRAN_DIMS);
/* Since F77 arrays are stored column-major, we set up an
- offset table to get at the various row's elements. The
- offset table contains entries for both offset and subarray size. */
+ offset table to get at the various row's elements. The
+ offset table contains entries for both offset and subarray size. */
f77_create_arrayprint_offset_tbl (type, stream);
- f77_print_array_1 (1, ndimensions, type, valaddr, address, stream,
- recurse, options, &elts);
+ f77_print_array_1 (1, ndimensions, type, valaddr, embedded_offset,
+ address, stream, recurse, val, options, &elts);
}
\f
-/* Print data of type TYPE located at VALADDR (within GDB), which came from
- the inferior at address ADDRESS, onto stdio stream STREAM according to
- OPTIONS. The data at VALADDR is in target byte order.
-
- If the data are a string pointer, returns the number of string characters
- printed. */
+/* See val_print for a description of the various parameters of this
+ function; they are identical. The semantics of the return value is
+ also identical to val_print. */
int
f_val_print (struct type *type, const gdb_byte *valaddr, int embedded_offset,
CORE_ADDR address, struct ui_file *stream, int recurse,
+ const struct value *original_value,
const struct value_print_options *options)
{
struct gdbarch *gdbarch = get_type_arch (type);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- unsigned int i = 0; /* Number of characters printed */
+ unsigned int i = 0; /* Number of characters printed. */
struct type *elttype;
LONGEST val;
CORE_ADDR addr;
case TYPE_CODE_STRING:
f77_get_dynamic_length_of_aggregate (type);
LA_PRINT_STRING (stream, builtin_type (gdbarch)->builtin_char,
- valaddr, TYPE_LENGTH (type), 0, options);
+ valaddr + embedded_offset,
+ TYPE_LENGTH (type), NULL, 0, options);
break;
case TYPE_CODE_ARRAY:
- fprintf_filtered (stream, "(");
- f77_print_array (type, valaddr, address, stream, recurse, options);
- fprintf_filtered (stream, ")");
+ if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_CHAR)
+ {
+ fprintf_filtered (stream, "(");
+ f77_print_array (type, valaddr, embedded_offset,
+ address, stream, recurse, original_value, options);
+ fprintf_filtered (stream, ")");
+ }
+ else
+ {
+ struct type *ch_type = TYPE_TARGET_TYPE (type);
+
+ f77_get_dynamic_length_of_aggregate (type);
+ LA_PRINT_STRING (stream, ch_type,
+ valaddr + embedded_offset,
+ TYPE_LENGTH (type) / TYPE_LENGTH (ch_type),
+ NULL, 0, options);
+ }
break;
case TYPE_CODE_PTR:
if (options->format && options->format != 's')
{
- print_scalar_formatted (valaddr, type, options, 0, stream);
+ val_print_scalar_formatted (type, valaddr, embedded_offset,
+ original_value, options, 0, stream);
break;
}
else
{
- addr = unpack_pointer (type, valaddr);
+ addr = unpack_pointer (type, valaddr + embedded_offset);
elttype = check_typedef (TYPE_TARGET_TYPE (type));
if (TYPE_CODE (elttype) == TYPE_CODE_FUNC)
&& TYPE_CODE (elttype) == TYPE_CODE_INT
&& (options->format == 0 || options->format == 's')
&& addr != 0)
- i = val_print_string (TYPE_TARGET_TYPE (type), addr, -1, stream,
- options);
+ i = val_print_string (TYPE_TARGET_TYPE (type), NULL, addr, -1,
+ stream, options);
/* Return number of characters printed, including the terminating
'\0' if we reached the end. val_print_string takes care including
{
CORE_ADDR addr
= extract_typed_address (valaddr + embedded_offset, type);
+
fprintf_filtered (stream, "@");
fputs_filtered (paddress (gdbarch, addr), stream);
if (options->deref_ref)
{
if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF)
{
- struct value *deref_val =
- value_at
- (TYPE_TARGET_TYPE (type),
- unpack_pointer (type, valaddr + embedded_offset));
+ struct value *deref_val;
+
+ deref_val = coerce_ref_if_computed (original_value);
+ if (deref_val != NULL)
+ {
+ /* More complicated computed references are not supported. */
+ gdb_assert (embedded_offset == 0);
+ }
+ else
+ deref_val = value_at (TYPE_TARGET_TYPE (type),
+ unpack_pointer (type,
+ (valaddr
+ + embedded_offset)));
+
common_val_print (deref_val, stream, recurse,
options, current_language);
}
case TYPE_CODE_FUNC:
if (options->format)
{
- print_scalar_formatted (valaddr, type, options, 0, stream);
+ val_print_scalar_formatted (type, valaddr, embedded_offset,
+ original_value, options, 0, stream);
break;
}
/* FIXME, we should consider, at least for ANSI C language, eliminating
break;
case TYPE_CODE_INT:
+ case TYPE_CODE_CHAR:
if (options->format || options->output_format)
{
struct value_print_options opts = *options;
+
opts.format = (options->format ? options->format
: options->output_format);
- print_scalar_formatted (valaddr, type, &opts, 0, stream);
+ val_print_scalar_formatted (type, valaddr, embedded_offset,
+ original_value, options, 0, stream);
}
else
{
- val_print_type_code_int (type, valaddr, stream);
+ val_print_type_code_int (type, valaddr + embedded_offset, stream);
/* C and C++ has no single byte int type, char is used instead.
Since we don't know whether the value is really intended to
be used as an integer or a character, print the character
- equivalent as well. */
- if (TYPE_LENGTH (type) == 1)
+ equivalent as well. */
+ if (TYPE_LENGTH (type) == 1 || TYPE_CODE (type) == TYPE_CODE_CHAR)
{
+ LONGEST c;
+
fputs_filtered (" ", stream);
- LA_PRINT_CHAR ((unsigned char) unpack_long (type, valaddr),
- type, stream);
+ c = unpack_long (type, valaddr + embedded_offset);
+ LA_PRINT_CHAR ((unsigned char) c, type, stream);
}
}
break;
case TYPE_CODE_FLAGS:
if (options->format)
- print_scalar_formatted (valaddr, type, options, 0, stream);
+ val_print_scalar_formatted (type, valaddr, embedded_offset,
+ original_value, options, 0, stream);
else
- val_print_type_code_flags (type, valaddr, stream);
+ val_print_type_code_flags (type, valaddr + embedded_offset, stream);
break;
case TYPE_CODE_FLT:
if (options->format)
- print_scalar_formatted (valaddr, type, options, 0, stream);
+ val_print_scalar_formatted (type, valaddr, embedded_offset,
+ original_value, options, 0, stream);
else
- print_floating (valaddr, type, stream);
+ print_floating (valaddr + embedded_offset, type, stream);
break;
case TYPE_CODE_VOID:
break;
case TYPE_CODE_ERROR:
- fprintf_filtered (stream, "<error type>");
+ fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (type));
break;
case TYPE_CODE_RANGE:
if (options->format || options->output_format)
{
struct value_print_options opts = *options;
+
opts.format = (options->format ? options->format
: options->output_format);
- print_scalar_formatted (valaddr, type, &opts, 0, stream);
+ val_print_scalar_formatted (type, valaddr, embedded_offset,
+ original_value, &opts, 0, stream);
}
else
{
- val = extract_unsigned_integer (valaddr,
+ val = extract_unsigned_integer (valaddr + embedded_offset,
TYPE_LENGTH (type), byte_order);
if (val == 0)
fprintf_filtered (stream, ".FALSE.");
{
/* Bash the type code temporarily. */
TYPE_CODE (type) = TYPE_CODE_INT;
- f_val_print (type, valaddr, 0, address, stream, recurse, options);
- /* Restore the type code so later uses work as intended. */
+ val_print (type, valaddr, embedded_offset,
+ address, stream, recurse,
+ original_value, options, current_language);
+ /* Restore the type code so later uses work as intended. */
TYPE_CODE (type) = TYPE_CODE_BOOL;
}
}
case TYPE_CODE_COMPLEX:
type = TYPE_TARGET_TYPE (type);
fputs_filtered ("(", stream);
- print_floating (valaddr, type, stream);
+ print_floating (valaddr + embedded_offset, type, stream);
fputs_filtered (",", stream);
- print_floating (valaddr + TYPE_LENGTH (type), type, stream);
+ print_floating (valaddr + embedded_offset + TYPE_LENGTH (type),
+ type, stream);
fputs_filtered (")", stream);
break;
for (index = 0; index < TYPE_NFIELDS (type); index++)
{
int offset = TYPE_FIELD_BITPOS (type, index) / 8;
- f_val_print (TYPE_FIELD_TYPE (type, index), valaddr + offset,
- embedded_offset, address, stream, recurse, options);
+
+ val_print (TYPE_FIELD_TYPE (type, index), valaddr,
+ embedded_offset + offset,
+ address, stream, recurse + 1,
+ original_value, options, current_language);
if (index != TYPE_NFIELDS (type) - 1)
fputs_filtered (", ", stream);
}
}
/* This function is used to print out the values in a given COMMON
- block. It will always use the most local common block of the
- given name */
+ block. It will always use the most local common block of the
+ given name. */
static void
info_common_command (char *comname, int from_tty)
/* We have been told to display the contents of F77 COMMON
block supposedly visible in this function. Let us
first make sure that it is visible and if so, let
- us display its contents */
+ us display its contents. */
fi = get_selected_frame (_("No frame selected"));
/* The following is generally ripped off from stack.c's routine
- print_frame_info() */
+ print_frame_info(). */
func = find_pc_function (get_frame_pc (fi));
if (func)
up with a larger address for the function use that instead.
I don't think this can ever cause any problems; there shouldn't
be any minimal symbols in the middle of a function.
- FIXME: (Not necessarily true. What about text labels) */
+ FIXME: (Not necessarily true. What about text labels?) */
struct minimal_symbol *msymbol =
lookup_minimal_symbol_by_pc (get_frame_pc (fi));
else
{
struct minimal_symbol *msymbol =
- lookup_minimal_symbol_by_pc (get_frame_pc (fi));
+ lookup_minimal_symbol_by_pc (get_frame_pc (fi));
if (msymbol != NULL)
funname = SYMBOL_LINKAGE_NAME (msymbol);
}
/* If comname is NULL, we assume the user wishes to see the
- which COMMON blocks are visible here and then return */
+ which COMMON blocks are visible here and then return. */
if (comname == 0)
{
}
/* This function is used to determine whether there is a
- F77 common block visible at the current scope called 'comname'. */
+ F77 common block visible at the current scope called 'comname'. */
#if 0
static int
fi = get_selected_frame (_("No frame selected"));
/* The following is generally ripped off from stack.c's routine
- print_frame_info() */
+ print_frame_info(). */
func = find_pc_function (fi->pc);
if (func)
up with a larger address for the function use that instead.
I don't think this can ever cause any problems; there shouldn't
be any minimal symbols in the middle of a function.
- FIXME: (Not necessarily true. What about text labels) */
+ FIXME: (Not necessarily true. What about text labels?) */
struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (fi->pc);
else
{
struct minimal_symbol *msymbol =
- lookup_minimal_symbol_by_pc (fi->pc);
+ lookup_minimal_symbol_by_pc (fi->pc);
if (msymbol != NULL)
funname = SYMBOL_LINKAGE_NAME (msymbol);