/* Support for printing Pascal values for GDB, the GNU debugger.
- Copyright (C) 2000, 2001, 2003, 2005, 2006, 2007, 2008, 2009, 2010
+ Copyright (C) 2000, 2001, 2003, 2005, 2006, 2007, 2008, 2009, 2010, 2011
Free Software Foundation, Inc.
This file is part of GDB.
pascal_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 len;
+ LONGEST low_bound, high_bound;
struct type *elttype;
unsigned eltlen;
int length_pos, length_size, string_pos;
switch (TYPE_CODE (type))
{
case TYPE_CODE_ARRAY:
- if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0)
+ if (get_array_bounds (type, &low_bound, &high_bound))
{
+ len = high_bound - low_bound + 1;
elttype = check_typedef (TYPE_TARGET_TYPE (type));
eltlen = TYPE_LENGTH (elttype);
- len = TYPE_LENGTH (type) / eltlen;
if (options->prettyprint_arrays)
{
print_spaces_filtered (2 + 2 * recurse, stream);
}
- /* For an array of chars, print with string syntax. */
- if ((eltlen == 1 || eltlen == 2 || eltlen == 4)
- && ((TYPE_CODE (elttype) == TYPE_CODE_INT)
- || ((current_language->la_language == language_pascal)
- && (TYPE_CODE (elttype) == TYPE_CODE_CHAR)))
- && (options->format == 0 || options->format == 's'))
+ /* If 's' format is used, try to print out as string.
+ If no format is given, print as string if element type
+ is of TYPE_CODE_CHAR and element size is 1,2 or 4. */
+ if (options->format == 's'
+ || ((eltlen == 1 || eltlen == 2 || eltlen == 4)
+ && TYPE_CODE (elttype) == TYPE_CODE_CHAR
+ && options->format == 0))
{
/* If requested, look for the first null char and only print
elements up to it. */
{
unsigned int temp_len;
- /* Look for a NULL char. */
+ /* Look for a NULL char. */
for (temp_len = 0;
extract_unsigned_integer (valaddr + embedded_offset +
temp_len * eltlen, eltlen,
}
LA_PRINT_STRING (stream, TYPE_TARGET_TYPE (type),
- valaddr + embedded_offset, len, 0,
+ valaddr + embedded_offset, len, NULL, 0,
options);
i = len;
}
{
i = 0;
}
- val_print_array_elements (type, valaddr + embedded_offset, address, stream,
- recurse, options, i);
+ val_print_array_elements (type, valaddr, embedded_offset,
+ address, stream, recurse,
+ original_value, options, i);
fprintf_filtered (stream, "}");
}
break;
{
/* 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.) */
+ -fvtable_thunks. (Otherwise, look under TYPE_CODE_STRUCT.) */
/* Extract the address, assume that it is unsigned. */
addr = extract_unsigned_integer (valaddr + embedded_offset,
TYPE_LENGTH (type), byte_order);
break;
}
elttype = check_typedef (TYPE_TARGET_TYPE (type));
- {
- addr = unpack_pointer (type, valaddr + embedded_offset);
- print_unpacked_pointer:
- 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);
- }
+ addr = unpack_pointer (type, valaddr + embedded_offset);
+ print_unpacked_pointer:
+ elttype = check_typedef (TYPE_TARGET_TYPE (type));
- if (options->addressprint && options->format != 's')
- {
- fputs_filtered (paddress (gdbarch, addr), stream);
- }
+ 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);
+ }
- /* 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
- || TYPE_CODE (elttype) == TYPE_CODE_CHAR))
- || ((TYPE_LENGTH (elttype) == 2 || TYPE_LENGTH (elttype) == 4)
- && TYPE_CODE (elttype) == TYPE_CODE_CHAR))
- && (options->format == 0 || options->format == 's')
- && addr != 0)
- {
- /* no wide string yet */
- i = val_print_string (elttype, addr, -1, stream, options);
- }
- /* also for pointers to pascal strings */
- /* Note: this is Free Pascal specific:
- as GDB does not recognize stabs pascal strings
- Pascal strings are mapped to records
- with lowercase names PM */
- if (is_pascal_string_type (elttype, &length_pos, &length_size,
- &string_pos, &char_type, NULL)
- && addr != 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
+ || TYPE_CODE (elttype) == TYPE_CODE_CHAR))
+ || ((TYPE_LENGTH (elttype) == 2 || TYPE_LENGTH (elttype) == 4)
+ && TYPE_CODE (elttype) == TYPE_CODE_CHAR))
+ && (options->format == 0 || options->format == 's')
+ && addr != 0)
+ {
+ /* No wide string yet. */
+ i = val_print_string (elttype, NULL, addr, -1, stream, options);
+ }
+ /* Also for pointers to pascal strings. */
+ /* Note: this is Free Pascal specific:
+ as GDB does not recognize stabs pascal strings
+ Pascal strings are mapped to records
+ with lowercase names PM. */
+ if (is_pascal_string_type (elttype, &length_pos, &length_size,
+ &string_pos, &char_type, NULL)
+ && addr != 0)
+ {
+ ULONGEST string_length;
+ void *buffer;
+
+ buffer = xmalloc (length_size);
+ read_memory (addr + length_pos, buffer, length_size);
+ string_length = extract_unsigned_integer (buffer, length_size,
+ byte_order);
+ xfree (buffer);
+ i = val_print_string (char_type, NULL,
+ addr + string_pos, string_length,
+ stream, options);
+ }
+ else if (pascal_object_is_vtbl_member (type))
+ {
+ /* Print vtbl's nicely. */
+ CORE_ADDR vt_address = unpack_pointer (type,
+ valaddr + embedded_offset);
+ struct minimal_symbol *msymbol =
+ lookup_minimal_symbol_by_pc (vt_address);
+
+ if ((msymbol != NULL)
+ && (vt_address == SYMBOL_VALUE_ADDRESS (msymbol)))
{
- ULONGEST string_length;
- void *buffer;
- buffer = xmalloc (length_size);
- read_memory (addr + length_pos, buffer, length_size);
- string_length = extract_unsigned_integer (buffer, length_size,
- byte_order);
- xfree (buffer);
- i = val_print_string (char_type ,addr + string_pos, string_length, stream, options);
+ fputs_filtered (" <", stream);
+ fputs_filtered (SYMBOL_PRINT_NAME (msymbol), stream);
+ fputs_filtered (">", stream);
}
- else if (pascal_object_is_vtbl_member (type))
+ if (vt_address && options->vtblprint)
{
- /* print vtbl's nicely */
- CORE_ADDR vt_address = unpack_pointer (type, valaddr + embedded_offset);
+ struct value *vt_val;
+ struct symbol *wsym = (struct symbol *) NULL;
+ struct type *wtype;
+ struct block *block = (struct block *) NULL;
+ int is_this_fld;
- struct minimal_symbol *msymbol =
- lookup_minimal_symbol_by_pc (vt_address);
- if ((msymbol != NULL)
- && (vt_address == SYMBOL_VALUE_ADDRESS (msymbol)))
+ if (msymbol != NULL)
+ wsym = lookup_symbol (SYMBOL_LINKAGE_NAME (msymbol), block,
+ VAR_DOMAIN, &is_this_fld);
+
+ if (wsym)
{
- fputs_filtered (" <", stream);
- fputs_filtered (SYMBOL_PRINT_NAME (msymbol), stream);
- fputs_filtered (">", stream);
+ wtype = SYMBOL_TYPE (wsym);
}
- if (vt_address && options->vtblprint)
+ else
{
- struct value *vt_val;
- struct symbol *wsym = (struct symbol *) NULL;
- struct type *wtype;
- struct block *block = (struct block *) NULL;
- int is_this_fld;
-
- if (msymbol != NULL)
- wsym = lookup_symbol (SYMBOL_LINKAGE_NAME (msymbol), block,
- VAR_DOMAIN, &is_this_fld);
-
- if (wsym)
- {
- wtype = SYMBOL_TYPE (wsym);
- }
- else
- {
- wtype = TYPE_TARGET_TYPE (type);
- }
- vt_val = value_at (wtype, vt_address);
- common_val_print (vt_val, stream, recurse + 1, options,
- current_language);
- if (options->pretty)
- {
- fprintf_filtered (stream, "\n");
- print_spaces_filtered (2 + 2 * recurse, stream);
- }
+ wtype = TYPE_TARGET_TYPE (type);
+ }
+ vt_val = value_at (wtype, vt_address);
+ common_val_print (vt_val, stream, recurse + 1, options,
+ current_language);
+ if (options->pretty)
+ {
+ fprintf_filtered (stream, "\n");
+ print_spaces_filtered (2 + 2 * recurse, 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;
}
+
+ /* 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:
{
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));
+ value_at
+ (TYPE_TARGET_TYPE (type),
+ unpack_pointer (type, valaddr + embedded_offset));
+
common_val_print (deref_val, stream, recurse + 1, options,
current_language);
}
{
/* Print the unmangled name if desired. */
/* Print vtable entry - we only get here if NOT using
- -fvtable_thunks. (Otherwise, look under TYPE_CODE_PTR.) */
+ -fvtable_thunks. (Otherwise, look under TYPE_CODE_PTR.) */
/* Extract the address, assume that it is unsigned. */
print_address_demangle
(gdbarch,
- extract_unsigned_integer (valaddr + embedded_offset + TYPE_FIELD_BITPOS (type, VTBL_FNADDR_OFFSET) / 8,
- TYPE_LENGTH (TYPE_FIELD_TYPE (type, VTBL_FNADDR_OFFSET)), byte_order),
+ extract_unsigned_integer (valaddr + embedded_offset
+ + TYPE_FIELD_BITPOS (type,
+ VTBL_FNADDR_OFFSET) / 8,
+ TYPE_LENGTH (TYPE_FIELD_TYPE (type,
+ VTBL_FNADDR_OFFSET)),
+ byte_order),
stream, demangle);
}
else
if (is_pascal_string_type (type, &length_pos, &length_size,
&string_pos, &char_type, NULL))
{
- len = extract_unsigned_integer (valaddr + embedded_offset + length_pos, length_size, byte_order);
- LA_PRINT_STRING (stream, char_type, valaddr + embedded_offset + string_pos, len, 0, options);
+ len = extract_unsigned_integer (valaddr + embedded_offset
+ + length_pos, length_size,
+ byte_order);
+ LA_PRINT_STRING (stream, char_type,
+ valaddr + embedded_offset + string_pos,
+ len, NULL, 0, options);
}
else
- pascal_object_print_value_fields (type, valaddr + embedded_offset, address, stream,
- recurse, options, NULL, 0);
+ pascal_object_print_value_fields (type, valaddr, embedded_offset,
+ address, stream, recurse,
+ original_value, options,
+ NULL, 0);
}
break;
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 + embedded_offset, type,
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 + embedded_offset, type,
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 + embedded_offset, type,
fputs_filtered ("[", stream);
i = get_discrete_bounds (range, &low_bound, &high_bound);
+ if (low_bound == 0 && high_bound == -1 && TYPE_LENGTH (type) > 0)
+ {
+ /* If we know the size of the set type, we can figure out the
+ maximum value. */
+ i = 0;
+ high_bound = TYPE_LENGTH (type) * TARGET_CHAR_BIT - 1;
+ TYPE_HIGH_BOUND (range) = high_bound;
+ }
maybe_bad_bstring:
if (i < 0)
{
for (i = low_bound; i <= high_bound; i++)
{
- int element = value_bit_index (type, valaddr + embedded_offset, i);
+ int element = value_bit_index (type,
+ valaddr + embedded_offset, i);
+
if (element < 0)
{
i = element;
print_type_scalar (range, i, stream);
need_comma = 1;
- if (i + 1 <= high_bound && value_bit_index (type, valaddr + embedded_offset, ++i))
+ if (i + 1 <= high_bound
+ && value_bit_index (type,
+ valaddr + embedded_offset, ++i))
{
int j = i;
+
fputs_filtered ("..", stream);
while (i + 1 <= high_bound
- && value_bit_index (type, valaddr + embedded_offset, ++i))
+ && value_bit_index (type,
+ valaddr + embedded_offset,
+ ++i))
j = i;
print_type_scalar (range, j, stream);
}
break;
case TYPE_CODE_ERROR:
- fprintf_filtered (stream, "<error type>");
+ fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (type));
break;
case TYPE_CODE_UNDEF:
break;
default:
- error (_("Invalid pascal type code %d in symbol table."), TYPE_CODE (type));
+ error (_("Invalid pascal type code %d in symbol table."),
+ TYPE_CODE (type));
}
gdb_flush (stream);
return (0);
const struct value_print_options *options)
{
struct type *type = value_type (val);
+ struct value_print_options opts = *options;
+
+ opts.deref_ref = 1;
/* If it is a pointer, indicate what it points to.
|| TYPE_CODE (type) == TYPE_CODE_REF)
{
/* Hack: remove (char *) for char strings. Their
- type is indicated by the quoted string anyway. */
+ type is indicated by the quoted string anyway. */
if (TYPE_CODE (type) == TYPE_CODE_PTR
&& TYPE_NAME (type) == NULL
&& TYPE_NAME (TYPE_TARGET_TYPE (type)) != NULL
&& strcmp (TYPE_NAME (TYPE_TARGET_TYPE (type)), "char") == 0)
{
- /* Print nothing */
+ /* Print nothing. */
}
else
{
fprintf_filtered (stream, ") ");
}
}
- return common_val_print (val, stream, 0, options, current_language);
+ return common_val_print (val, stream, 0, &opts, current_language);
}
const struct value_print_options *);
static void pascal_object_print_value (struct type *, const gdb_byte *,
+ int,
CORE_ADDR, struct ui_file *, int,
+ const struct value *,
const struct value_print_options *,
struct type **);
if (TYPE_CODE (type) == TYPE_CODE_ARRAY)
{
type = TYPE_TARGET_TYPE (type);
- if (TYPE_CODE (type) == TYPE_CODE_STRUCT /* if not using thunks */
- || TYPE_CODE (type) == TYPE_CODE_PTR) /* if using thunks */
+ if (TYPE_CODE (type) == TYPE_CODE_STRUCT /* If not using
+ thunks. */
+ || TYPE_CODE (type) == TYPE_CODE_PTR) /* If using thunks. */
{
/* Virtual functions tables are full of pointers
- to virtual functions. */
+ to virtual functions. */
return pascal_object_is_vtbl_ptr_type (type);
}
}
void
pascal_object_print_value_fields (struct type *type, const gdb_byte *valaddr,
+ int offset,
CORE_ADDR address, struct ui_file *stream,
int recurse,
+ const struct value *val,
const struct value_print_options *options,
struct type **dont_print_vb,
int dont_print_statmem)
/* Print out baseclasses such that we don't print
duplicates of virtual baseclasses. */
if (n_baseclasses > 0)
- pascal_object_print_value (type, valaddr, address, stream,
- recurse + 1, options, dont_print_vb);
+ pascal_object_print_value (type, valaddr, offset, address,
+ stream, recurse + 1, val,
+ options, dont_print_vb);
if (!len && n_baseclasses == 1)
fprintf_filtered (stream, "<No data fields>");
{
fputs_filtered ("<optimized out or zero length>", stream);
}
+ else if (value_bits_synthetic_pointer (val,
+ TYPE_FIELD_BITPOS (type,
+ i),
+ TYPE_FIELD_BITSIZE (type,
+ i)))
+ {
+ fputs_filtered (_("<synthetic pointer>"), stream);
+ }
+ else if (!value_bits_valid (val, TYPE_FIELD_BITPOS (type, i),
+ TYPE_FIELD_BITSIZE (type, i)))
+ {
+ fputs_filtered (_("<value optimized out>"), stream);
+ }
else
{
struct value_print_options opts = *options;
+
v = value_from_longest (TYPE_FIELD_TYPE (type, i),
- unpack_field_as_long (type, valaddr, i));
+ unpack_field_as_long (type,
+ valaddr + offset, i));
opts.deref_ref = 0;
common_val_print (v, stream, recurse + 1, &opts,
}
else if (field_is_static (&TYPE_FIELD (type, i)))
{
- /* struct value *v = value_static_field (type, i); v4.17 specific */
+ /* struct value *v = value_static_field (type, i);
+ v4.17 specific. */
struct value *v;
- v = value_from_longest (TYPE_FIELD_TYPE (type, i),
- unpack_field_as_long (type, valaddr, i));
+
+ v = value_from_longest
+ (TYPE_FIELD_TYPE (type, i),
+ unpack_field_as_long (type, valaddr + offset, i));
if (v == NULL)
fputs_filtered ("<optimized out>", stream);
else
{
struct value_print_options opts = *options;
+
opts.deref_ref = 0;
/* val_print (TYPE_FIELD_TYPE (type, i),
valaddr + TYPE_FIELD_BITPOS (type, i) / 8,
address + TYPE_FIELD_BITPOS (type, i) / 8, 0,
stream, format, 0, recurse + 1, pretty); */
val_print (TYPE_FIELD_TYPE (type, i),
- valaddr, TYPE_FIELD_BITPOS (type, i) / 8,
- address + TYPE_FIELD_BITPOS (type, i) / 8,
- stream, recurse + 1, &opts,
+ valaddr, offset + TYPE_FIELD_BITPOS (type, i) / 8,
+ address, stream, recurse + 1, val, &opts,
current_language);
}
}
static void
pascal_object_print_value (struct type *type, const gdb_byte *valaddr,
+ int offset,
CORE_ADDR address, struct ui_file *stream,
int recurse,
+ const struct value *val,
const struct value_print_options *options,
struct type **dont_print_vb)
{
struct type **last_dont_print
- = (struct type **) obstack_next_free (&dont_print_vb_obstack);
+ = (struct type **) obstack_next_free (&dont_print_vb_obstack);
struct obstack tmp_obstack = dont_print_vb_obstack;
int i, n_baseclasses = TYPE_N_BASECLASSES (type);
struct type *baseclass = check_typedef (TYPE_BASECLASS (type, i));
char *basename = type_name_no_tag (baseclass);
const gdb_byte *base_valaddr;
+ int thisoffset;
if (BASETYPE_VIA_VIRTUAL (type, i))
{
struct type **first_dont_print
- = (struct type **) obstack_base (&dont_print_vb_obstack);
+ = (struct type **) obstack_base (&dont_print_vb_obstack);
int j = (struct type **) obstack_next_free (&dont_print_vb_obstack)
- - first_dont_print;
+ - first_dont_print;
while (--j >= 0)
if (baseclass == first_dont_print[j])
obstack_ptr_grow (&dont_print_vb_obstack, baseclass);
}
- boffset = baseclass_offset (type, i, valaddr, address);
+ thisoffset = offset;
+
+ boffset = baseclass_offset (type, i, valaddr + offset, address + offset);
if (options->pretty)
{
fputs_filtered ("> = ", stream);
/* The virtual base class pointer might have been clobbered by the
- user program. Make sure that it still points to a valid memory
+ user program. Make sure that it still points to a valid memory
location. */
if (boffset != -1 && (boffset < 0 || boffset >= TYPE_LENGTH (type)))
{
- /* FIXME (alloc): not safe is baseclass is really really big. */
+ /* FIXME (alloc): not safe is baseclass is really really big. */
gdb_byte *buf = alloca (TYPE_LENGTH (baseclass));
+
base_valaddr = buf;
if (target_read_memory (address + boffset, buf,
TYPE_LENGTH (baseclass)) != 0)
boffset = -1;
+ address = address + boffset;
+ thisoffset = 0;
+ boffset = 0;
}
else
- base_valaddr = valaddr + boffset;
+ base_valaddr = valaddr;
if (boffset == -1)
fprintf_filtered (stream, "<invalid address>");
else
- pascal_object_print_value_fields (baseclass, base_valaddr, address + boffset,
- stream, recurse, options,
+ pascal_object_print_value_fields (baseclass, base_valaddr,
+ thisoffset + boffset, address,
+ stream, recurse, val, options,
(struct type **) obstack_base (&dont_print_vb_obstack),
0);
fputs_filtered (", ", stream);
{
if (value_address (val) == first_dont_print[i])
{
- fputs_filtered ("<same as static member of an already seen type>",
+ fputs_filtered ("\
+<same as static member of an already seen type>",
stream);
return;
}
sizeof (CORE_ADDR));
CHECK_TYPEDEF (type);
- pascal_object_print_value_fields (type, value_contents (val), addr,
- stream, recurse, options, NULL, 1);
+ pascal_object_print_value_fields (type,
+ value_contents_for_printing (val),
+ value_embedded_offset (val),
+ addr,
+ stream, recurse,
+ val, options, NULL, 1);
return;
}
common_val_print (val, stream, recurse, &opts, current_language);
}
-extern initialize_file_ftype _initialize_pascal_valprint; /* -Wmissing-prototypes */
+/* -Wmissing-prototypes */
+extern initialize_file_ftype _initialize_pascal_valprint;
void
_initialize_pascal_valprint (void)
projects / deliverable / binutils-gdb.git / blobdiff