/* Support for printing C values for GDB, the GNU debugger.
- Copyright (C) 1986-2019 Free Software Foundation, Inc.
+ Copyright (C) 1986-2023 Free Software Foundation, Inc.
This file is part of GDB.
true_type = check_typedef (type);
/* TYPE_CODE_CHAR is always textual. */
- if (TYPE_CODE (true_type) == TYPE_CODE_CHAR)
+ if (true_type->code () == TYPE_CODE_CHAR)
return 1;
/* Any other character-like types must be integral. */
- if (TYPE_CODE (true_type) != TYPE_CODE_INT)
+ if (true_type->code () != TYPE_CODE_INT)
return 0;
/* We peel typedefs one by one, looking for a match. */
while (iter_type)
{
/* Check the name of the type. */
- if (TYPE_NAME (iter_type) && textual_name (TYPE_NAME (iter_type)))
+ if (iter_type->name () && textual_name (iter_type->name ()))
return 1;
- if (TYPE_CODE (iter_type) != TYPE_CODE_TYPEDEF)
+ if (iter_type->code () != TYPE_CODE_TYPEDEF)
break;
/* Peel a single typedef. If the typedef doesn't have a target
type, we use check_typedef and hope the result is ok -- it
might be for C++, where wchar_t is a built-in type. */
- if (TYPE_TARGET_TYPE (iter_type))
- iter_type = TYPE_TARGET_TYPE (iter_type);
+ if (iter_type->target_type ())
+ iter_type = iter_type->target_type ();
else
iter_type = check_typedef (iter_type);
}
{
/* Print this as a string if we can manage it. For now, no wide
character support. */
- if (TYPE_CODE (true_type) == TYPE_CODE_INT
- && TYPE_LENGTH (true_type) == 1)
+ if (true_type->code () == TYPE_CODE_INT
+ && true_type->length () == 1)
return 1;
}
else
/* If a one-byte TYPE_CODE_INT is missing the not-a-character
flag, then we treat it as text; otherwise, we assume it's
being used as data. */
- if (TYPE_CODE (true_type) == TYPE_CODE_INT
- && TYPE_LENGTH (true_type) == 1
+ if (true_type->code () == TYPE_CODE_INT
+ && true_type->length () == 1
&& !TYPE_NOTTEXT (true_type))
return 1;
}
{
"",
" + ",
- " * I",
+ "i",
"true",
"false",
"void",
const struct value_print_options *options)
{
int want_space = 0;
- struct gdbarch *gdbarch = get_type_arch (type);
+ struct gdbarch *gdbarch = type->arch ();
- if (TYPE_CODE (elttype) == TYPE_CODE_FUNC)
+ if (elttype->code () == TYPE_CODE_FUNC)
{
/* Try to print what function it points to. */
print_function_pointer_address (options, gdbarch, address, stream);
demangle);
else if (options->addressprint)
{
- fputs_filtered (paddress (gdbarch, address), stream);
+ gdb_puts (paddress (gdbarch, address), stream);
want_space = 1;
}
&& address != 0)
{
if (want_space)
- fputs_filtered (" ", stream);
+ gdb_puts (" ", stream);
val_print_string (unresolved_elttype, NULL, address, -1, stream, options);
}
else if (cp_is_vtbl_member (type))
/* If 'symbol_print' is set, we did the work above. */
if (!options->symbol_print
&& (msymbol.minsym != NULL)
- && (vt_address == BMSYMBOL_VALUE_ADDRESS (msymbol)))
+ && (vt_address == msymbol.value_address ()))
{
if (want_space)
- fputs_filtered (" ", stream);
- fputs_filtered (" <", stream);
- fputs_filtered (MSYMBOL_PRINT_NAME (msymbol.minsym), stream);
- fputs_filtered (">", stream);
+ gdb_puts (" ", stream);
+ gdb_puts (" <", stream);
+ gdb_puts (msymbol.minsym->print_name (), stream);
+ gdb_puts (">", stream);
want_space = 1;
}
struct type *wtype;
if (want_space)
- fputs_filtered (" ", stream);
+ gdb_puts (" ", stream);
if (msymbol.minsym != NULL)
{
- const char *search_name
- = MSYMBOL_SEARCH_NAME (msymbol.minsym);
+ const char *search_name = msymbol.minsym->search_name ();
wsym = lookup_symbol_search_name (search_name, NULL,
VAR_DOMAIN).symbol;
}
if (wsym)
{
- wtype = SYMBOL_TYPE (wsym);
+ wtype = wsym->type ();
}
else
{
current_language);
if (options->prettyformat)
{
- fprintf_filtered (stream, "\n");
- print_spaces_filtered (2 + 2 * recurse, stream);
+ gdb_printf (stream, "\n");
+ print_spaces (2 + 2 * recurse, stream);
}
}
}
}
-/* c_val_print helper for TYPE_CODE_ARRAY. */
+/* c_value_print helper for TYPE_CODE_ARRAY. */
static void
-c_val_print_array (struct type *type, const gdb_byte *valaddr,
- int embedded_offset, CORE_ADDR address,
- struct ui_file *stream, int recurse,
- struct value *original_value,
- const struct value_print_options *options)
+c_value_print_array (struct value *val,
+ struct ui_file *stream, int recurse,
+ const struct value_print_options *options)
{
- struct type *unresolved_elttype = TYPE_TARGET_TYPE (type);
+ struct type *type = check_typedef (val->type ());
+ CORE_ADDR address = val->address ();
+ const gdb_byte *valaddr = val->contents_for_printing ().data ();
+ struct type *unresolved_elttype = type->target_type ();
struct type *elttype = check_typedef (unresolved_elttype);
- struct gdbarch *arch = get_type_arch (type);
- int unit_size = gdbarch_addressable_memory_unit_size (arch);
- if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (unresolved_elttype) > 0)
+ if (type->length () > 0 && unresolved_elttype->length () > 0)
{
LONGEST low_bound, high_bound;
int eltlen, len;
enum bfd_endian byte_order = type_byte_order (type);
- unsigned int i = 0; /* Number of characters printed. */
if (!get_array_bounds (type, &low_bound, &high_bound))
error (_("Could not determine the array high bound"));
- eltlen = TYPE_LENGTH (elttype);
+ eltlen = elttype->length ();
len = high_bound - low_bound + 1;
- if (options->prettyformat_arrays)
- {
- print_spaces_filtered (2 + 2 * recurse, stream);
- }
/* Print arrays of textual chars with a string syntax, as
long as the entire array is valid. */
if (c_textual_element_type (unresolved_elttype,
options->format)
- && value_bytes_available (original_value, embedded_offset,
- TYPE_LENGTH (type))
- && !value_bits_any_optimized_out (original_value,
- TARGET_CHAR_BIT * embedded_offset,
- TARGET_CHAR_BIT * TYPE_LENGTH (type)))
+ && val->bytes_available (0, type->length ())
+ && !val->bits_any_optimized_out (0,
+ TARGET_CHAR_BIT * type->length ()))
{
int force_ellipses = 0;
print elements up to it. */
if (options->stop_print_at_null)
{
+ unsigned int print_max_chars = get_print_max_chars (options);
unsigned int temp_len;
for (temp_len = 0;
(temp_len < len
- && temp_len < options->print_max
- && extract_unsigned_integer (valaddr
- + embedded_offset * unit_size
- + temp_len * eltlen,
+ && temp_len < print_max_chars
+ && extract_unsigned_integer (valaddr + temp_len * eltlen,
eltlen, byte_order) != 0);
++temp_len)
;
- /* Force LA_PRINT_STRING to print ellipses if
+ /* Force printstr to print ellipses if
we've printed the maximum characters and
the next character is not \000. */
- if (temp_len == options->print_max && temp_len < len)
+ if (temp_len == print_max_chars && temp_len < len)
{
- ULONGEST val
- = extract_unsigned_integer (valaddr
- + embedded_offset * unit_size
- + temp_len * eltlen,
+ ULONGEST ival
+ = extract_unsigned_integer (valaddr + temp_len * eltlen,
eltlen, byte_order);
- if (val != 0)
+ if (ival != 0)
force_ellipses = 1;
}
len = temp_len;
}
- LA_PRINT_STRING (stream, unresolved_elttype,
- valaddr + embedded_offset * unit_size, len,
- NULL, force_ellipses, options);
- i = len;
+ current_language->printstr (stream, unresolved_elttype, valaddr, len,
+ NULL, force_ellipses, options);
}
else
{
- fprintf_filtered (stream, "{");
+ unsigned int i = 0;
+ gdb_printf (stream, "{");
/* If this is a virtual function table, print the 0th
entry specially, and the rest of the members
normally. */
if (cp_is_vtbl_ptr_type (elttype))
{
i = 1;
- fprintf_filtered (stream, _("%d vtable entries"),
- len - 1);
+ gdb_printf (stream, _("%d vtable entries"),
+ len - 1);
}
- else
- {
- i = 0;
- }
- val_print_array_elements (type, embedded_offset,
- address, stream,
- recurse, original_value, options, i);
- fprintf_filtered (stream, "}");
+ value_print_array_elements (val, stream, recurse, options, i);
+ gdb_printf (stream, "}");
}
}
else
{
/* Array of unspecified length: treat like pointer to first elt. */
print_unpacked_pointer (type, elttype, unresolved_elttype, valaddr,
- embedded_offset, address + embedded_offset,
- stream, recurse, options);
+ 0, address, stream, recurse, options);
}
}
-/* c_val_print helper for TYPE_CODE_PTR. */
+/* c_value_print_inner helper for TYPE_CODE_PTR. */
static void
-c_val_print_ptr (struct type *type, const gdb_byte *valaddr,
- int embedded_offset, struct ui_file *stream, int recurse,
- struct value *original_value,
- const struct value_print_options *options)
+c_value_print_ptr (struct value *val, struct ui_file *stream, int recurse,
+ const struct value_print_options *options)
{
- struct gdbarch *arch = get_type_arch (type);
- int unit_size = gdbarch_addressable_memory_unit_size (arch);
-
if (options->format && options->format != 's')
{
- val_print_scalar_formatted (type, embedded_offset,
- original_value, options, 0, stream);
+ value_print_scalar_formatted (val, options, 0, stream);
+ return;
}
- else if (options->vtblprint && cp_is_vtbl_ptr_type (type))
+
+ struct type *type = check_typedef (val->type ());
+ const gdb_byte *valaddr = val->contents_for_printing ().data ();
+
+ if (options->vtblprint && cp_is_vtbl_ptr_type (type))
{
/* Print the unmangled name if desired. */
/* Print vtable entry - we only get here if we ARE using
-fvtable_thunks. (Otherwise, look under
TYPE_CODE_STRUCT.) */
- CORE_ADDR addr
- = extract_typed_address (valaddr + embedded_offset, type);
- struct gdbarch *gdbarch = get_type_arch (type);
+ CORE_ADDR addr = extract_typed_address (valaddr, type);
- print_function_pointer_address (options, gdbarch, addr, stream);
+ print_function_pointer_address (options, type->arch (), addr, stream);
}
else
{
- struct type *unresolved_elttype = TYPE_TARGET_TYPE (type);
+ struct type *unresolved_elttype = type->target_type ();
struct type *elttype = check_typedef (unresolved_elttype);
- CORE_ADDR addr = unpack_pointer (type,
- valaddr + embedded_offset * unit_size);
+ CORE_ADDR addr = unpack_pointer (type, valaddr);
print_unpacked_pointer (type, elttype, unresolved_elttype, valaddr,
- embedded_offset, addr, stream, recurse, options);
+ 0, addr, stream, recurse, options);
}
}
-/* c_val_print helper for TYPE_CODE_STRUCT. */
+/* c_value_print helper for TYPE_CODE_STRUCT and TYPE_CODE_UNION. */
static void
-c_val_print_struct (struct type *type, const gdb_byte *valaddr,
- int embedded_offset, CORE_ADDR address,
- struct ui_file *stream, int recurse,
- struct value *original_value,
- const struct value_print_options *options)
+c_value_print_struct (struct value *val, struct ui_file *stream, int recurse,
+ const struct value_print_options *options)
{
- if (options->vtblprint && cp_is_vtbl_ptr_type (type))
+ struct type *type = check_typedef (val->type ());
+
+ if (type->code () == TYPE_CODE_UNION && recurse && !options->unionprint)
+ gdb_printf (stream, "{...}");
+ else if (options->vtblprint && cp_is_vtbl_ptr_type (type))
{
/* Print the unmangled name if desired. */
/* Print vtable entry - we only get here if NOT using
-fvtable_thunks. (Otherwise, look under
TYPE_CODE_PTR.) */
- struct gdbarch *gdbarch = get_type_arch (type);
- int offset = (embedded_offset
- + TYPE_FIELD_BITPOS (type,
- VTBL_FNADDR_OFFSET) / 8);
- struct type *field_type = TYPE_FIELD_TYPE (type, VTBL_FNADDR_OFFSET);
+ int offset = type->field (VTBL_FNADDR_OFFSET).loc_bitpos () / 8;
+ struct type *field_type = type->field (VTBL_FNADDR_OFFSET).type ();
+ const gdb_byte *valaddr = val->contents_for_printing ().data ();
CORE_ADDR addr = extract_typed_address (valaddr + offset, field_type);
- print_function_pointer_address (options, gdbarch, addr, stream);
+ print_function_pointer_address (options, type->arch (), addr, stream);
}
else
- cp_print_value_fields_rtti (type, valaddr,
- embedded_offset, address,
- stream, recurse,
- original_value, options,
- NULL, 0);
+ cp_print_value_fields (val, stream, recurse, options, NULL, 0);
}
-/* c_val_print helper for TYPE_CODE_UNION. */
+/* c_value_print helper for TYPE_CODE_INT. */
static void
-c_val_print_union (struct type *type, const gdb_byte *valaddr,
- int embedded_offset, CORE_ADDR address,
- struct ui_file *stream, int recurse,
- struct value *original_value,
+c_value_print_int (struct value *val, struct ui_file *stream,
const struct value_print_options *options)
{
- if (recurse && !options->unionprint)
- {
- fprintf_filtered (stream, "{...}");
- }
- else
- {
- c_val_print_struct (type, valaddr, embedded_offset, address, stream,
- recurse, original_value, options);
- }
-}
-
-/* c_val_print helper for TYPE_CODE_INT. */
-
-static void
-c_val_print_int (struct type *type, struct type *unresolved_type,
- const gdb_byte *valaddr, int embedded_offset,
- struct ui_file *stream, struct value *original_value,
- const struct value_print_options *options)
-{
- struct gdbarch *arch = get_type_arch (type);
- int unit_size = gdbarch_addressable_memory_unit_size (arch);
-
if (options->format || options->output_format)
{
struct value_print_options opts = *options;
opts.format = (options->format ? options->format
: options->output_format);
- val_print_scalar_formatted (type, embedded_offset,
- original_value, &opts, 0, stream);
+ value_print_scalar_formatted (val, &opts, 0, stream);
}
else
{
- val_print_scalar_formatted (type, embedded_offset,
- original_value, options, 0, stream);
+ value_print_scalar_formatted (val, options, 0, 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 (c_textual_element_type (unresolved_type, options->format))
+ struct type *type = val->type ();
+ const gdb_byte *valaddr = val->contents_for_printing ().data ();
+ if (c_textual_element_type (type, options->format))
{
- fputs_filtered (" ", stream);
- LA_PRINT_CHAR (unpack_long (type,
- valaddr + embedded_offset * unit_size),
- unresolved_type, stream);
+ gdb_puts (" ", stream);
+ current_language->printchar (unpack_long (type, valaddr), type,
+ stream);
}
}
}
-/* c_val_print helper for TYPE_CODE_MEMBERPTR. */
-
-static void
-c_val_print_memberptr (struct type *type, const gdb_byte *valaddr,
- int embedded_offset, CORE_ADDR address,
- struct ui_file *stream, int recurse,
- struct value *original_value,
- const struct value_print_options *options)
-{
- if (!options->format)
- {
- cp_print_class_member (valaddr + embedded_offset, type, stream, "&");
- }
- else
- {
- generic_val_print (type, embedded_offset, address, stream,
- recurse, original_value, options, &c_decorations);
- }
-}
-
-/* See val_print for a description of the various parameters of this
- function; they are identical. */
+/* See c-lang.h. */
void
-c_val_print (struct type *type,
- int embedded_offset, CORE_ADDR address,
- struct ui_file *stream, int recurse,
- struct value *original_value,
- const struct value_print_options *options)
+c_value_print_inner (struct value *val, struct ui_file *stream, int recurse,
+ const struct value_print_options *options)
{
- struct type *unresolved_type = type;
- const gdb_byte *valaddr = value_contents_for_printing (original_value);
+ struct type *type = val->type ();
type = check_typedef (type);
- switch (TYPE_CODE (type))
+ switch (type->code ())
{
case TYPE_CODE_ARRAY:
- c_val_print_array (type, valaddr, embedded_offset, address, stream,
- recurse, original_value, options);
- break;
-
- case TYPE_CODE_METHODPTR:
- cplus_print_method_ptr (valaddr + embedded_offset, type, stream);
+ c_value_print_array (val, stream, recurse, options);
break;
case TYPE_CODE_PTR:
- c_val_print_ptr (type, valaddr, embedded_offset, stream, recurse,
- original_value, options);
+ c_value_print_ptr (val, stream, recurse, options);
break;
case TYPE_CODE_UNION:
- c_val_print_union (type, valaddr, embedded_offset, address, stream,
- recurse, original_value, options);
- break;
-
case TYPE_CODE_STRUCT:
- c_val_print_struct (type, valaddr, embedded_offset, address, stream,
- recurse, original_value, options);
+ c_value_print_struct (val, stream, recurse, options);
break;
+ case TYPE_CODE_CHAR:
case TYPE_CODE_INT:
- c_val_print_int (type, unresolved_type, valaddr, embedded_offset, stream,
- original_value, options);
+ c_value_print_int (val, stream, options);
break;
+ case TYPE_CODE_METHODPTR:
case TYPE_CODE_MEMBERPTR:
- c_val_print_memberptr (type, valaddr, embedded_offset, address, stream,
- recurse, original_value, options);
- break;
-
case TYPE_CODE_REF:
case TYPE_CODE_RVALUE_REF:
case TYPE_CODE_ENUM:
case TYPE_CODE_ERROR:
case TYPE_CODE_UNDEF:
case TYPE_CODE_COMPLEX:
- case TYPE_CODE_CHAR:
default:
- generic_val_print (type, embedded_offset, address,
- stream, recurse, original_value, options,
- &c_decorations);
+ generic_value_print (val, stream, recurse, options, &c_decorations);
break;
}
}
+
\f
void
c_value_print (struct value *val, struct ui_file *stream,
const struct value_print_options *options)
{
- struct type *type, *real_type, *val_type;
+ struct type *type, *real_type;
int full, using_enc;
LONGEST top;
struct value_print_options opts = *options;
- opts.deref_ref = 1;
+ opts.deref_ref = true;
/* If it is a pointer, indicate what it points to.
C++: if it is a member pointer, we will take care
of that when we print it. */
- /* Preserve the original type before stripping typedefs. We prefer
- to pass down the original type when possible, but for local
- checks it is better to look past the typedefs. */
- val_type = value_type (val);
- type = check_typedef (val_type);
+ type = check_typedef (val->type ());
- if (TYPE_CODE (type) == TYPE_CODE_PTR || TYPE_IS_REFERENCE (type))
+ if (type->is_pointer_or_reference ())
{
+ struct type *original_type = val->type ();
+
/* Hack: remove (char *) for char strings. Their
- type is indicated by the quoted string anyway.
- (Don't use c_textual_element_type here; quoted strings
- are always exactly (char *), (wchar_t *), or the like. */
- if (TYPE_CODE (val_type) == TYPE_CODE_PTR
- && TYPE_NAME (val_type) == NULL
- && TYPE_NAME (TYPE_TARGET_TYPE (val_type)) != NULL
- && (strcmp (TYPE_NAME (TYPE_TARGET_TYPE (val_type)),
+ type is indicated by the quoted string anyway.
+ (Don't use c_textual_element_type here; quoted strings
+ are always exactly (char *), (wchar_t *), or the like. */
+ if (original_type->code () == TYPE_CODE_PTR
+ && original_type->name () == NULL
+ && original_type->target_type ()->name () != NULL
+ && (strcmp (original_type->target_type ()->name (),
"char") == 0
- || textual_name (TYPE_NAME (TYPE_TARGET_TYPE (val_type)))))
+ || textual_name (original_type->target_type ()->name ())))
{
/* Print nothing. */
}
else if (options->objectprint
- && (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_STRUCT))
+ && (type->target_type ()->code () == TYPE_CODE_STRUCT))
{
int is_ref = TYPE_IS_REFERENCE (type);
enum type_code refcode = TYPE_CODE_UNDEF;
if (is_ref)
{
val = value_addr (val);
- refcode = TYPE_CODE (type);
+ refcode = type->code ();
}
/* Pointer to class, check real type of object. */
- fprintf_filtered (stream, "(");
+ gdb_printf (stream, "(");
- if (value_entirely_available (val))
+ if (val->entirely_available ())
{
real_type = value_rtti_indirect_type (val, &full, &top,
&using_enc);
if (real_type)
{
/* RTTI entry found. */
- type = real_type;
/* Need to adjust pointer value. */
val = value_from_pointer (real_type,
}
if (is_ref)
- {
- val = value_ref (value_ind (val), refcode);
- type = value_type (val);
- }
+ val = value_ref (value_ind (val), refcode);
+ type = val->type ();
type_print (type, "", stream, -1);
- fprintf_filtered (stream, ") ");
- val_type = type;
+ gdb_printf (stream, ") ");
}
else
{
/* normal case */
- fprintf_filtered (stream, "(");
- type_print (value_type (val), "", stream, -1);
- fprintf_filtered (stream, ") ");
+ gdb_printf (stream, "(");
+ type_print (val->type (), "", stream, -1);
+ gdb_printf (stream, ") ");
}
}
- if (!value_initialized (val))
- fprintf_filtered (stream, " [uninitialized] ");
+ if (!val->initialized ())
+ gdb_printf (stream, " [uninitialized] ");
- if (options->objectprint && (TYPE_CODE (type) == TYPE_CODE_STRUCT))
+ if (options->objectprint && (type->code () == TYPE_CODE_STRUCT))
{
/* Attempt to determine real type of object. */
real_type = value_rtti_type (val, &full, &top, &using_enc);
/* We have RTTI information, so use it. */
val = value_full_object (val, real_type,
full, top, using_enc);
- fprintf_filtered (stream, "(%s%s) ",
- TYPE_NAME (real_type),
- full ? "" : _(" [incomplete object]"));
- /* Print out object: enclosing type is same as real_type if
- full. */
- val_print (value_enclosing_type (val),
- 0,
- value_address (val), stream, 0,
- val, &opts, current_language);
- return;
- /* Note: When we look up RTTI entries, we don't get any
- information on const or volatile attributes. */
+ /* In a destructor we might see a real type that is a
+ superclass of the object's type. In this case it is
+ better to leave the object as-is. */
+ if (!(full
+ && (real_type->length ()
+ < val->enclosing_type ()->length ())))
+ val = value_cast (real_type, val);
+ gdb_printf (stream, "(%s%s) ",
+ real_type->name (),
+ full ? "" : _(" [incomplete object]"));
}
- else if (type != check_typedef (value_enclosing_type (val)))
+ else if (type != check_typedef (val->enclosing_type ()))
{
/* No RTTI information, so let's do our best. */
- fprintf_filtered (stream, "(%s ?) ",
- TYPE_NAME (value_enclosing_type (val)));
- val_print (value_enclosing_type (val),
- 0,
- value_address (val), stream, 0,
- val, &opts, current_language);
- return;
+ gdb_printf (stream, "(%s ?) ",
+ val->enclosing_type ()->name ());
+ val = value_cast (val->enclosing_type (), val);
}
- /* Otherwise, we end up at the return outside this "if". */
}
- val_print (val_type,
- value_embedded_offset (val),
- value_address (val),
- stream, 0,
- val, &opts, current_language);
+ common_val_print (val, stream, 0, &opts, current_language);
}
projects / thirdparty / binutils-gdb.git / blobdiff