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
easy but when the bounds are dynamic, we must be very careful
to add up all the lengths correctly. Not doing this right
will lead to horrendous-looking arrays in parameter lists.
This function also works for strings which behave very
similarly to arrays. */
if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_ARRAY
|| TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_STRING)
f77_get_dynamic_length_of_aggregate (TYPE_TARGET_TYPE (type));
/* Recursion ends here, start setting up lengths. */
retcode = f77_get_dynamic_lowerbound (type, &lower_bound);
if (retcode == BOUND_FETCH_ERROR)
error ("Cannot obtain valid array lower bound");
retcode = f77_get_dynamic_upperbound (type, &upper_bound);
if (retcode == BOUND_FETCH_ERROR)
error ("Cannot obtain valid array upper bound");
/* Patch in a valid length value. */
TYPE_LENGTH (type) =
(upper_bound - lower_bound + 1) * TYPE_LENGTH (check_typedef (TYPE_TARGET_TYPE (type)));
}
int
f_val_print (struct type *type, char *valaddr, int embedded_offset,
CORE_ADDR address, struct ui_file *stream, int format,
int deref_ref, int recurse, enum val_prettyprint pretty)
{
unsigned int i = 0; /* Number of characters printed */
struct type *elttype;
LONGEST val;
CORE_ADDR addr;
CHECK_TYPEDEF (type);
switch (TYPE_CODE (type))
{
case TYPE_CODE_STRING:
f77_get_dynamic_length_of_aggregate (type);
LA_PRINT_STRING (stream, valaddr, TYPE_LENGTH (type), 1, 0);
break;
case TYPE_CODE_ARRAY:
fprintf_filtered (stream, "(");
f77_print_array (type, valaddr, address, stream, format,
deref_ref, recurse, pretty);
fprintf_filtered (stream, ")");
break;
case TYPE_CODE_PTR:
if (format && format != 's')
{
print_scalar_formatted (valaddr, type, format, 0, stream);
break;
}
else
{
addr = unpack_pointer (type, valaddr);
elttype = check_typedef (TYPE_TARGET_TYPE (type));
if (TYPE_CODE (elttype) == TYPE_CODE_FUNC)
{
/* Try to print what function it points to. */
print_address_demangle (addr, stream, demangle);
/* Return value is irrelevant except for string pointers. */
return 0;
}
if (addressprint && format != 's')
print_address_numeric (addr, 1, stream);
/* For a pointer to char or unsigned char, also print the string
pointed to, unless pointer is null. */
if (TYPE_LENGTH (elttype) == 1
&& TYPE_CODE (elttype) == TYPE_CODE_INT
&& (format == 0 || format == 's')
&& addr != 0)
i = val_print_string (addr, -1, TYPE_LENGTH (elttype), stream);
/* Return number of characters printed, including the terminating
'\0' if we reached the end. val_print_string takes care including
the terminating '\0' if necessary. */
return i;
}
break;
case TYPE_CODE_REF:
elttype = check_typedef (TYPE_TARGET_TYPE (type));
if (addressprint)
{
CORE_ADDR addr
= extract_typed_address (valaddr + embedded_offset, type);
fprintf_filtered (stream, "@");
print_address_numeric (addr, 1, stream);
if (deref_ref)
fputs_filtered (": ", stream);
}
/* De-reference the reference. */
if (deref_ref)
{
if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF)
{
struct value *deref_val =
value_at
(TYPE_TARGET_TYPE (type),
unpack_pointer (lookup_pointer_type (builtin_type_void),
valaddr + embedded_offset),
NULL);
val_print (VALUE_TYPE (deref_val),
VALUE_CONTENTS (deref_val),
0,
VALUE_ADDRESS (deref_val),
stream,
format,
deref_ref,
recurse,
pretty);
}
else
fputs_filtered ("???", stream);
}
break;
case TYPE_CODE_FUNC:
if (format)
{
print_scalar_formatted (valaddr, type, format, 0, stream);
break;
}
/* FIXME, we should consider, at least for ANSI C language, eliminating
the distinction made between FUNCs and POINTERs to FUNCs. */
fprintf_filtered (stream, "{");
type_print (type, "", stream, -1);
fprintf_filtered (stream, "} ");
/* Try to print what function it points to, and its address. */
print_address_demangle (address, stream, demangle);
break;
case TYPE_CODE_INT:
format = format ? format : output_format;
if (format)
print_scalar_formatted (valaddr, type, format, 0, stream);
else
{
val_print_type_code_int (type, valaddr, 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)
{
fputs_filtered (" ", stream);
LA_PRINT_CHAR ((unsigned char) unpack_long (type, valaddr),
stream);
}
}
break;
case TYPE_CODE_FLT:
if (format)
print_scalar_formatted (valaddr, type, format, 0, stream);
else
print_floating (valaddr, type, stream);
break;
case TYPE_CODE_VOID:
fprintf_filtered (stream, "VOID");
break;
case TYPE_CODE_ERROR:
fprintf_filtered (stream, "<error type>");
break;
case TYPE_CODE_RANGE:
/* FIXME, we should not ever have to print one of these yet. */
fprintf_filtered (stream, "<range type>");
break;
case TYPE_CODE_BOOL:
format = format ? format : output_format;
if (format)
print_scalar_formatted (valaddr, type, format, 0, stream);
else
{
val = 0;
switch (TYPE_LENGTH (type))
{
case 1:
val = unpack_long (builtin_type_f_logical_s1, valaddr);
break;
case 2:
val = unpack_long (builtin_type_f_logical_s2, valaddr);
break;
case 4:
val = unpack_long (builtin_type_f_logical, valaddr);
break;
default:
error ("Logicals of length %d bytes not supported",
TYPE_LENGTH (type));
}
if (val == 0)
fprintf_filtered (stream, ".FALSE.");
else if (val == 1)
fprintf_filtered (stream, ".TRUE.");
else
/* Not a legitimate logical type, print as an integer. */
{
/* Bash the type code temporarily. */
TYPE_CODE (type) = TYPE_CODE_INT;
f_val_print (type, valaddr, 0, address, stream, format,
deref_ref, recurse, pretty);
/* Restore the type code so later uses work as intended. */
TYPE_CODE (type) = TYPE_CODE_BOOL;
}
}
break;
case TYPE_CODE_COMPLEX:
switch (TYPE_LENGTH (type))
{
case 8:
type = builtin_type_f_real;
break;
case 16:
type = builtin_type_f_real_s8;
break;
case 32:
type = builtin_type_f_real_s16;
break;
default:
error ("Cannot print out complex*%d variables", TYPE_LENGTH (type));
}
fputs_filtered ("(", stream);
print_floating (valaddr, type, stream);
fputs_filtered (",", stream);
print_floating (valaddr + TYPE_LENGTH (type), type, stream);
fputs_filtered (")", stream);
break;
case TYPE_CODE_UNDEF:
/* This happens (without TYPE_FLAG_STUB set) on systems which don't use
dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar"
and no complete type for struct foo in that file. */
fprintf_filtered (stream, "<incomplete type>");
break;
default:
error ("Invalid F77 type code %d in symbol table.", TYPE_CODE (type));
}
gdb_flush (stream);
return 0;
}
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 */
struct type *elttype;
LONGEST val;
CORE_ADDR addr;
int index;
CHECK_TYPEDEF (type);
switch (TYPE_CODE (type))
{
case TYPE_CODE_STRING:
f77_get_dynamic_length_of_aggregate (type);
LA_PRINT_STRING (stream, builtin_type (gdbarch)->builtin_char,
valaddr, TYPE_LENGTH (type), NULL, 0, options);
break;
case TYPE_CODE_ARRAY:
fprintf_filtered (stream, "(");
f77_print_array (type, valaddr, address, stream, recurse, original_value, options);
fprintf_filtered (stream, ")");
break;
case TYPE_CODE_PTR:
if (options->format && options->format != 's')
{
print_scalar_formatted (valaddr, type, options, 0, stream);
break;
}
else
{
addr = unpack_pointer (type, valaddr);
elttype = check_typedef (TYPE_TARGET_TYPE (type));
if (TYPE_CODE (elttype) == TYPE_CODE_FUNC)
{
/* Try to print what function it points to. */
print_address_demangle (gdbarch, addr, stream, demangle);
/* Return value is irrelevant except for string pointers. */
return 0;
}
if (options->addressprint && options->format != 's')
fputs_filtered (paddress (gdbarch, addr), stream);
/* For a pointer to char or unsigned char, also print the string
pointed to, unless pointer is null. */
if (TYPE_LENGTH (elttype) == 1
&& 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);
/* Return number of characters printed, including the terminating
'\0' if we reached the end. val_print_string takes care including
the terminating '\0' if necessary. */
return i;
}
break;
case TYPE_CODE_REF:
elttype = check_typedef (TYPE_TARGET_TYPE (type));
if (options->addressprint)
{
CORE_ADDR addr
= extract_typed_address (valaddr + embedded_offset, type);
fprintf_filtered (stream, "@");
fputs_filtered (paddress (gdbarch, addr), stream);
if (options->deref_ref)
fputs_filtered (": ", stream);
}
/* De-reference the reference. */
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));
common_val_print (deref_val, stream, recurse,
options, current_language);
}
else
fputs_filtered ("???", stream);
}
break;
case TYPE_CODE_FUNC:
if (options->format)
{
print_scalar_formatted (valaddr, type, options, 0, stream);
break;
}
/* FIXME, we should consider, at least for ANSI C language, eliminating
the distinction made between FUNCs and POINTERs to FUNCs. */
fprintf_filtered (stream, "{");
type_print (type, "", stream, -1);
fprintf_filtered (stream, "} ");
/* Try to print what function it points to, and its address. */
print_address_demangle (gdbarch, address, stream, demangle);
break;
case TYPE_CODE_INT:
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);
}
else
{
val_print_type_code_int (type, valaddr, 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)
{
fputs_filtered (" ", stream);
LA_PRINT_CHAR ((unsigned char) unpack_long (type, valaddr),
type, stream);
}
}
break;
case TYPE_CODE_FLAGS:
if (options->format)
print_scalar_formatted (valaddr, type, options, 0, stream);
else
val_print_type_code_flags (type, valaddr, stream);
break;
case TYPE_CODE_FLT:
if (options->format)
print_scalar_formatted (valaddr, type, options, 0, stream);
else
print_floating (valaddr, type, stream);
break;
case TYPE_CODE_VOID:
fprintf_filtered (stream, "VOID");
break;
case TYPE_CODE_ERROR:
fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (type));
break;
case TYPE_CODE_RANGE:
/* FIXME, we should not ever have to print one of these yet. */
fprintf_filtered (stream, "<range type>");
break;
case TYPE_CODE_BOOL:
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);
}
else
{
val = extract_unsigned_integer (valaddr,
TYPE_LENGTH (type), byte_order);
if (val == 0)
fprintf_filtered (stream, ".FALSE.");
else if (val == 1)
fprintf_filtered (stream, ".TRUE.");
else
/* Not a legitimate logical type, print as an integer. */
{
/* Bash the type code temporarily. */
TYPE_CODE (type) = TYPE_CODE_INT;
val_print (type, valaddr, 0, address, stream, recurse,
original_value, options, current_language);
/* Restore the type code so later uses work as intended. */
TYPE_CODE (type) = TYPE_CODE_BOOL;
}
}
break;
case TYPE_CODE_COMPLEX:
type = TYPE_TARGET_TYPE (type);
fputs_filtered ("(", stream);
print_floating (valaddr, type, stream);
fputs_filtered (",", stream);
print_floating (valaddr + TYPE_LENGTH (type), type, stream);
fputs_filtered (")", stream);
break;
case TYPE_CODE_UNDEF:
/* This happens (without TYPE_FLAG_STUB set) on systems which don't use
dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar"
and no complete type for struct foo in that file. */
fprintf_filtered (stream, "<incomplete type>");
break;
case TYPE_CODE_STRUCT:
case TYPE_CODE_UNION:
/* Starting from the Fortran 90 standard, Fortran supports derived
types. */
fprintf_filtered (stream, "( ");
for (index = 0; index < TYPE_NFIELDS (type); index++)
{
int offset = TYPE_FIELD_BITPOS (type, index) / 8;
val_print (TYPE_FIELD_TYPE (type, index), valaddr + offset,
embedded_offset, address, stream, recurse + 1,
original_value, options, current_language);
if (index != TYPE_NFIELDS (type) - 1)
fputs_filtered (", ", stream);
}
fprintf_filtered (stream, " )");
break;
default:
error (_("Invalid F77 type code %d in symbol table."), TYPE_CODE (type));
}
gdb_flush (stream);
return 0;
}
