/* Support for printing Pascal values for GDB, the GNU debugger.
- Copyright 2000
- Free Software Foundation, Inc.
+
+ Copyright (C) 2000-2001, 2003, 2005-2012 Free Software Foundation,
+ Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* This file is derived from c-valprint.c */
#include "defs.h"
-#include "obstack.h"
+#include "gdb_obstack.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "expression.h"
#include "gdbcore.h"
#include "demangle.h"
#include "valprint.h"
+#include "typeprint.h"
#include "language.h"
#include "target.h"
#include "annotate.h"
#include "p-lang.h"
+#include "cp-abi.h"
+#include "cp-support.h"
+#include "exceptions.h"
\f
+/* Decorations for Pascal. */
+static const struct generic_val_print_decorations p_decorations =
+{
+ "",
+ " + ",
+ " * I",
+ "true",
+ "false",
+ "void"
+};
-/* Print data of type TYPE located at VALADDR (within GDB), which came from
- the inferior at address ADDRESS, onto stdio stream STREAM according to
- FORMAT (a letter or 0 for natural format). The data at VALADDR is in
- target byte order.
-
- If the data are a string pointer, returns the number of string characters
- printed.
-
- If DEREF_REF is nonzero, then dereference references, otherwise just print
- them like pointers.
-
- The PRETTY parameter controls prettyprinting. */
-
+/* See val_print for a description of the various parameters of this
+ function; they are identical. */
-int
-pascal_val_print (type, valaddr, embedded_offset, address, stream, format, deref_ref, recurse,
- pretty)
- 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;
+void
+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)
{
- register unsigned int i = 0; /* Number of characters printed */
+ 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;
+ struct type *char_type;
LONGEST val;
CORE_ADDR addr;
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 (prettyprint_arrays)
+ if (options->prettyprint_arrays)
{
print_spaces_filtered (2 + 2 * recurse, stream);
}
- /* For an array of chars, print with string syntax. */
- if (eltlen == 1 &&
- ((TYPE_CODE (elttype) == TYPE_CODE_INT)
- || ((current_language->la_language == language_m2)
- && (TYPE_CODE (elttype) == TYPE_CODE_CHAR)))
- && (format == 0 || 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. */
- if (stop_print_at_null)
+ if (options->stop_print_at_null)
{
unsigned int temp_len;
- /* Look for a NULL char. */
+ /* Look for a NULL char. */
for (temp_len = 0;
- (valaddr + embedded_offset)[temp_len]
- && temp_len < len && temp_len < print_max;
+ extract_unsigned_integer (valaddr + embedded_offset +
+ temp_len * eltlen, eltlen,
+ byte_order)
+ && temp_len < len && temp_len < options->print_max;
temp_len++);
len = temp_len;
}
- LA_PRINT_STRING (stream, valaddr + embedded_offset, len, 1, 0);
+ LA_PRINT_STRING (stream, TYPE_TARGET_TYPE (type),
+ valaddr + embedded_offset, len, NULL, 0,
+ options);
i = len;
}
else
{
i = 0;
}
- val_print_array_elements (type, valaddr + embedded_offset, address, stream,
- format, deref_ref, recurse, pretty, i);
+ val_print_array_elements (type, valaddr, embedded_offset,
+ address, stream, recurse,
+ original_value, options, i);
fprintf_filtered (stream, "}");
}
break;
}
/* Array of unspecified length: treat like pointer to first elt. */
- addr = address;
+ addr = address + embedded_offset;
goto print_unpacked_pointer;
case TYPE_CODE_PTR:
- if (format && format != 's')
+ if (options->format && options->format != 's')
{
- print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
+ val_print_scalar_formatted (type, valaddr, embedded_offset,
+ original_value, options, 0, stream);
break;
}
- if (vtblprint && pascal_object_is_vtbl_ptr_type (type))
+ if (options->vtblprint && pascal_object_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.) */
- print_address_demangle (extract_address (valaddr + embedded_offset, TYPE_LENGTH (type)),
- stream, demangle);
+ -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);
+ print_address_demangle (gdbarch, addr, stream, demangle);
break;
}
+ 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_METHOD)
+
+ if (TYPE_CODE (elttype) == TYPE_CODE_FUNC)
{
- pascal_object_print_class_method (valaddr + embedded_offset, type, stream);
+ /* Try to print what function it points to. */
+ print_address_demangle (gdbarch, addr, stream, demangle);
+ return;
}
- else if (TYPE_CODE (elttype) == TYPE_CODE_MEMBER)
+
+ if (options->addressprint && options->format != 's')
{
- pascal_object_print_class_member (valaddr + embedded_offset,
- TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type)),
- stream, "&");
+ fputs_filtered (paddress (gdbarch, addr), stream);
}
- else
- {
- 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 (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, 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;
- if (addressprint && format != 's')
- {
- print_address_numeric (addr, 1, stream);
- }
+ 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);
- /* 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)
- {
- /* no wide string yet */
- i = val_print_string (addr, -1, 1, stream);
- }
- /* 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 */
- /* I don't know what GPC does :( PM */
- if (TYPE_CODE (elttype) == TYPE_CODE_STRUCT &&
- TYPE_NFIELDS (elttype) == 2 &&
- strcmp (TYPE_FIELDS (elttype)[0].name, "length") == 0 &&
- strcmp (TYPE_FIELDS (elttype)[1].name, "st") == 0 &&
- addr != 0)
+ if ((msymbol != NULL)
+ && (vt_address == SYMBOL_VALUE_ADDRESS (msymbol)))
{
- char bytelength;
- read_memory (addr, &bytelength, 1);
- i = val_print_string (addr + 1, bytelength, 1, stream);
+ 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_SOURCE_NAME (msymbol), stream);
- fputs_filtered (">", stream);
+ wtype = SYMBOL_TYPE (wsym);
}
- if (vt_address && vtblprint)
+ else
{
- value_ptr vt_val;
- struct symbol *wsym = (struct symbol *) NULL;
- struct type *wtype;
- struct symtab *s;
- struct block *block = (struct block *) NULL;
- int is_this_fld;
-
- if (msymbol != NULL)
- wsym = lookup_symbol (SYMBOL_NAME (msymbol), block,
- VAR_NAMESPACE, &is_this_fld, &s);
-
- if (wsym)
- {
- wtype = SYMBOL_TYPE (wsym);
- }
- else
- {
- wtype = TYPE_TARGET_TYPE (type);
- }
- vt_val = value_at (wtype, vt_address, NULL);
- val_print (VALUE_TYPE (vt_val), VALUE_CONTENTS (vt_val), 0,
- VALUE_ADDRESS (vt_val), stream, format,
- deref_ref, recurse + 1, pretty);
- if (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;
}
- break;
- case TYPE_CODE_MEMBER:
- error ("not implemented: member type in pascal_val_print");
- break;
+ return;
case TYPE_CODE_REF:
- elttype = check_typedef (TYPE_TARGET_TYPE (type));
- if (TYPE_CODE (elttype) == TYPE_CODE_MEMBER)
- {
- pascal_object_print_class_member (valaddr + embedded_offset,
- TYPE_DOMAIN_TYPE (elttype),
- stream, "");
- break;
- }
- if (addressprint)
- {
- fprintf_filtered (stream, "@");
- print_address_numeric
- (extract_address (valaddr + embedded_offset,
- TARGET_PTR_BIT / HOST_CHAR_BIT), 1, stream);
- if (deref_ref)
- fputs_filtered (": ", stream);
- }
- /* De-reference the reference. */
- if (deref_ref)
- {
- if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF)
- {
- value_ptr 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 + 1, pretty);
- }
- else
- fputs_filtered ("???", stream);
- }
+ case TYPE_CODE_ENUM:
+ case TYPE_CODE_FLAGS:
+ case TYPE_CODE_FUNC:
+ case TYPE_CODE_RANGE:
+ case TYPE_CODE_INT:
+ case TYPE_CODE_FLT:
+ case TYPE_CODE_VOID:
+ case TYPE_CODE_ERROR:
+ case TYPE_CODE_UNDEF:
+ case TYPE_CODE_BOOL:
+ case TYPE_CODE_CHAR:
+ generic_val_print (type, valaddr, embedded_offset, address,
+ stream, recurse, original_value, options,
+ &p_decorations);
break;
case TYPE_CODE_UNION:
- if (recurse && !unionprint)
+ if (recurse && !options->unionprint)
{
fprintf_filtered (stream, "{...}");
break;
}
/* Fall through. */
case TYPE_CODE_STRUCT:
- if (vtblprint && pascal_object_is_vtbl_ptr_type (type))
+ if (options->vtblprint && pascal_object_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.) */
- print_address_demangle (extract_address (
- valaddr + embedded_offset + TYPE_FIELD_BITPOS (type, VTBL_FNADDR_OFFSET) / 8,
- TYPE_LENGTH (TYPE_FIELD_TYPE (type, VTBL_FNADDR_OFFSET))),
- stream, demangle);
+ -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),
+ stream, demangle);
}
else
{
- if ((TYPE_NFIELDS (type) == 2) &&
- (strcmp (TYPE_FIELDS (type)[0].name, "length") == 0) &&
- (strcmp (TYPE_FIELDS (type)[1].name, "st") == 0))
- {
- len = (*(valaddr + embedded_offset)) & 0xff;
- LA_PRINT_STRING (stream, valaddr + embedded_offset + 1, len, /* width ?? */ 0, 0);
- }
- else
- pascal_object_print_value_fields (type, valaddr + embedded_offset, address, stream, format,
- recurse, pretty, NULL, 0);
- }
- break;
-
- case TYPE_CODE_ENUM:
- if (format)
- {
- print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
- break;
- }
- len = TYPE_NFIELDS (type);
- val = unpack_long (type, valaddr + embedded_offset);
- for (i = 0; i < len; i++)
- {
- QUIT;
- if (val == TYPE_FIELD_BITPOS (type, i))
+ if (is_pascal_string_type (type, &length_pos, &length_size,
+ &string_pos, &char_type, NULL))
{
- break;
+ 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);
}
- }
- if (i < len)
- {
- fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
- }
- else
- {
- print_longest (stream, 'd', 0, val);
- }
- break;
-
- case TYPE_CODE_FUNC:
- if (format)
- {
- print_scalar_formatted (valaddr + embedded_offset, 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_BOOL:
- format = format ? format : output_format;
- if (format)
- print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
- else
- {
- val = unpack_long (type, valaddr + embedded_offset);
- if (val == 0)
- fputs_filtered ("false", stream);
- else if (val == 1)
- fputs_filtered ("true", stream);
- else
- {
- fputs_filtered ("true (", stream);
- fprintf_filtered (stream, "%ld)", (long int) val);
- }
- }
- break;
-
- case TYPE_CODE_RANGE:
- /* FIXME: create_range_type does not set the unsigned bit in a
- range type (I think it probably should copy it from the target
- type), so we won't print values which are too large to
- fit in a signed integer correctly. */
- /* FIXME: Doesn't handle ranges of enums correctly. (Can't just
- print with the target type, though, because the size of our type
- and the target type might differ). */
- /* FALLTHROUGH */
-
- case TYPE_CODE_INT:
- format = format ? format : output_format;
- if (format)
- {
- print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
- }
- else
- {
- val_print_type_code_int (type, valaddr + embedded_offset, stream);
- }
- break;
-
- case TYPE_CODE_CHAR:
- format = format ? format : output_format;
- if (format)
- {
- print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
- }
- else
- {
- val = unpack_long (type, valaddr + embedded_offset);
- if (TYPE_UNSIGNED (type))
- fprintf_filtered (stream, "%u", (unsigned int) val);
else
- fprintf_filtered (stream, "%d", (int) val);
- fputs_filtered (" ", stream);
- LA_PRINT_CHAR ((unsigned char) val, stream);
- }
- break;
-
- case TYPE_CODE_FLT:
- if (format)
- {
- print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
- }
- else
- {
- print_floating (valaddr + embedded_offset, type, stream);
+ pascal_object_print_value_fields (type, valaddr, embedded_offset,
+ address, stream, recurse,
+ original_value, options,
+ NULL, 0);
}
break;
case TYPE_CODE_SET:
elttype = TYPE_INDEX_TYPE (type);
CHECK_TYPEDEF (elttype);
- if (TYPE_FLAGS (elttype) & TYPE_FLAG_STUB)
+ if (TYPE_STUB (elttype))
{
fprintf_filtered (stream, "<incomplete type>");
gdb_flush (stream);
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_VOID:
- fprintf_filtered (stream, "void");
- break;
-
- case TYPE_CODE_ERROR:
- fprintf_filtered (stream, "<error type>");
- 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 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);
}
\f
-int
-pascal_value_print (val, stream, format, pretty)
- value_ptr val;
- struct ui_file *stream;
- int format;
- enum val_prettyprint pretty;
+void
+pascal_value_print (struct value *val, struct ui_file *stream,
+ const struct value_print_options *options)
{
- struct type *type = VALUE_TYPE (val);
+ 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.
Object pascal: if it is a member pointer, we will take care
of that when we print it. */
- if (TYPE_CODE (type) == TYPE_CODE_PTR ||
- TYPE_CODE (type) == TYPE_CODE_REF)
+ if (TYPE_CODE (type) == TYPE_CODE_PTR
+ || TYPE_CODE (type) == TYPE_CODE_REF)
{
/* Hack: remove (char *) for char strings. Their
- 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 &&
- STREQ (TYPE_NAME (TYPE_TARGET_TYPE (type)), "char"))
+ 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 val_print (type, VALUE_CONTENTS (val), VALUE_EMBEDDED_OFFSET (val),
- VALUE_ADDRESS (val) + VALUE_OFFSET (val),
- stream, format, 1, 0, pretty);
+ common_val_print (val, stream, 0, &opts, current_language);
}
-/******************************************************************************
- Inserted from cp-valprint
-******************************************************************************/
-
-extern int vtblprint; /* Controls printing of vtbl's */
-extern int objectprint; /* Controls looking up an object's derived type
- using what we find in its vtables. */
-static int pascal_static_field_print; /* Controls printing of static fields. */
+static void
+show_pascal_static_field_print (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c, const char *value)
+{
+ fprintf_filtered (file, _("Printing of pascal static members is %s.\n"),
+ value);
+}
static struct obstack dont_print_vb_obstack;
static struct obstack dont_print_statmem_obstack;
-static void
- pascal_object_print_static_field (struct type *, value_ptr, struct ui_file *, int, int,
- enum val_prettyprint);
-
-static void
- pascal_object_print_value (struct type *, char *, CORE_ADDR, struct ui_file *,
- int, int, enum val_prettyprint, struct type **);
-
-void
-pascal_object_print_class_method (valaddr, type, stream)
- char *valaddr;
- struct type *type;
- struct ui_file *stream;
-{
- struct type *domain;
- struct fn_field *f = NULL;
- int j = 0;
- int len2;
- int offset;
- char *kind = "";
- CORE_ADDR addr;
- struct symbol *sym;
- unsigned len;
- unsigned int i;
- struct type *target_type = check_typedef (TYPE_TARGET_TYPE (type));
-
- domain = TYPE_DOMAIN_TYPE (target_type);
- if (domain == (struct type *) NULL)
- {
- fprintf_filtered (stream, "<unknown>");
- return;
- }
- addr = unpack_pointer (lookup_pointer_type (builtin_type_void), valaddr);
- if (METHOD_PTR_IS_VIRTUAL (addr))
- {
- offset = METHOD_PTR_TO_VOFFSET (addr);
- len = TYPE_NFN_FIELDS (domain);
- for (i = 0; i < len; i++)
- {
- f = TYPE_FN_FIELDLIST1 (domain, i);
- len2 = TYPE_FN_FIELDLIST_LENGTH (domain, i);
+static void pascal_object_print_static_field (struct value *,
+ struct ui_file *, int,
+ const struct value_print_options *);
- for (j = 0; j < len2; j++)
- {
- QUIT;
- if (TYPE_FN_FIELD_VOFFSET (f, j) == offset)
- {
- if (TYPE_FN_FIELD_STUB (f, j))
- check_stub_method (domain, i, j);
- kind = "virtual ";
- goto common;
- }
- }
- }
- }
- else
- {
- sym = find_pc_function (addr);
- if (sym == 0)
- {
- error ("invalid pointer to member function");
- }
- len = TYPE_NFN_FIELDS (domain);
- for (i = 0; i < len; i++)
- {
- f = TYPE_FN_FIELDLIST1 (domain, i);
- len2 = TYPE_FN_FIELDLIST_LENGTH (domain, i);
-
- for (j = 0; j < len2; j++)
- {
- QUIT;
- if (TYPE_FN_FIELD_STUB (f, j))
- check_stub_method (domain, i, j);
- if (STREQ (SYMBOL_NAME (sym), TYPE_FN_FIELD_PHYSNAME (f, j)))
- {
- goto common;
- }
- }
- }
- }
-common:
- if (i < len)
- {
- char *demangled_name;
-
- fprintf_filtered (stream, "&");
- fprintf_filtered (stream, kind);
- demangled_name = cplus_demangle (TYPE_FN_FIELD_PHYSNAME (f, j),
- DMGL_ANSI | DMGL_PARAMS);
- if (demangled_name == NULL)
- fprintf_filtered (stream, "<badly mangled name %s>",
- TYPE_FN_FIELD_PHYSNAME (f, j));
- else
- {
- fputs_filtered (demangled_name, stream);
- free (demangled_name);
- }
- }
- else
- {
- fprintf_filtered (stream, "(");
- type_print (type, "", stream, -1);
- fprintf_filtered (stream, ") %d", (int) addr >> 3);
- }
-}
+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 **);
/* It was changed to this after 2.4.5. */
const char pascal_vtbl_ptr_name[] =
"pointer to virtual function". */
int
-pascal_object_is_vtbl_ptr_type (type)
- struct type *type;
+pascal_object_is_vtbl_ptr_type (struct type *type)
{
- char *typename = type_name_no_tag (type);
+ const char *typename = type_name_no_tag (type);
return (typename != NULL
- && (STREQ (typename, pascal_vtbl_ptr_name)));
+ && strcmp (typename, pascal_vtbl_ptr_name) == 0);
}
/* Return truth value for the assertion that TYPE is of the type
"pointer to virtual function table". */
int
-pascal_object_is_vtbl_member (type)
- struct type *type;
+pascal_object_is_vtbl_member (struct type *type)
{
if (TYPE_CODE (type) == TYPE_CODE_PTR)
{
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);
}
}
return 0;
}
-/* Mutually recursive subroutines of pascal_object_print_value and c_val_print to
- print out a structure's fields: pascal_object_print_value_fields and pascal_object_print_value.
+/* Mutually recursive subroutines of pascal_object_print_value and
+ c_val_print to print out a structure's fields:
+ pascal_object_print_value_fields and pascal_object_print_value.
- TYPE, VALADDR, ADDRESS, STREAM, RECURSE, and PRETTY have the
+ TYPE, VALADDR, ADDRESS, STREAM, RECURSE, and OPTIONS have the
same meanings as in pascal_object_print_value and c_val_print.
DONT_PRINT is an array of baseclass types that we
should not print, or zero if called from top level. */
void
-pascal_object_print_value_fields (type, valaddr, address, stream, format, recurse, pretty,
- dont_print_vb, dont_print_statmem)
- struct type *type;
- char *valaddr;
- CORE_ADDR address;
- struct ui_file *stream;
- int format;
- int recurse;
- enum val_prettyprint pretty;
- struct type **dont_print_vb;
- int dont_print_statmem;
+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)
{
int i, len, n_baseclasses;
- struct obstack tmp_obstack;
char *last_dont_print = obstack_next_free (&dont_print_statmem_obstack);
CHECK_TYPEDEF (type);
/* 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,
- format, recurse + 1, pretty, 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>");
else
{
- extern int inspect_it;
+ struct obstack tmp_obstack = dont_print_statmem_obstack;
int fields_seen = 0;
if (dont_print_statmem == 0)
/* If we're at top level, carve out a completely fresh
chunk of the obstack and use that until this particular
invocation returns. */
- tmp_obstack = dont_print_statmem_obstack;
obstack_finish (&dont_print_statmem_obstack);
}
for (i = n_baseclasses; i < len; i++)
{
/* If requested, skip printing of static fields. */
- if (!pascal_static_field_print && TYPE_FIELD_STATIC (type, i))
+ if (!options->pascal_static_field_print
+ && field_is_static (&TYPE_FIELD (type, i)))
continue;
if (fields_seen)
fprintf_filtered (stream, ", ");
else if (n_baseclasses > 0)
{
- if (pretty)
+ if (options->pretty)
{
fprintf_filtered (stream, "\n");
print_spaces_filtered (2 + 2 * recurse, stream);
}
fields_seen = 1;
- if (pretty)
+ if (options->pretty)
{
fprintf_filtered (stream, "\n");
print_spaces_filtered (2 + 2 * recurse, stream);
{
wrap_here (n_spaces (2 + 2 * recurse));
}
- if (inspect_it)
+ if (options->inspect_it)
{
if (TYPE_CODE (TYPE_FIELD_TYPE (type, i)) == TYPE_CODE_PTR)
fputs_filtered ("\"( ptr \"", stream);
else
fputs_filtered ("\"( nodef \"", stream);
- if (TYPE_FIELD_STATIC (type, i))
+ if (field_is_static (&TYPE_FIELD (type, i)))
fputs_filtered ("static ", stream);
fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
language_cplus,
{
annotate_field_begin (TYPE_FIELD_TYPE (type, i));
- if (TYPE_FIELD_STATIC (type, i))
+ if (field_is_static (&TYPE_FIELD (type, i)))
fputs_filtered ("static ", stream);
fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
language_cplus,
annotate_field_value ();
}
- if (!TYPE_FIELD_STATIC (type, i) && TYPE_FIELD_PACKED (type, i))
+ if (!field_is_static (&TYPE_FIELD (type, i))
+ && TYPE_FIELD_PACKED (type, i))
{
- value_ptr v;
+ struct value *v;
/* Bitfields require special handling, especially due to byte
order problems. */
{
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)))
+ {
+ val_print_optimized_out (stream);
+ }
else
{
- v = value_from_longest (TYPE_FIELD_TYPE (type, i),
- unpack_field_as_long (type, valaddr, i));
+ struct value_print_options opts = *options;
- val_print (TYPE_FIELD_TYPE (type, i), VALUE_CONTENTS (v), 0, 0,
- stream, format, 0, recurse + 1, pretty);
+ v = value_field_bitfield (type, i, valaddr, offset, val);
+
+ opts.deref_ref = 0;
+ common_val_print (v, stream, recurse + 1, &opts,
+ current_language);
}
}
else
{
fputs_filtered ("<optimized out or zero length>", stream);
}
- else if (TYPE_FIELD_STATIC (type, i))
+ else if (field_is_static (&TYPE_FIELD (type, i)))
{
- /* value_ptr v = value_static_field (type, i); v4.17 specific */
- value_ptr v;
- v = value_from_longest (TYPE_FIELD_TYPE (type, i),
- unpack_field_as_long (type, valaddr, i));
+ /* struct value *v = value_static_field (type, i);
+ v4.17 specific. */
+ struct value *v;
+
+ v = value_field_bitfield (type, i, valaddr, offset, val);
if (v == NULL)
- fputs_filtered ("<optimized out>", stream);
+ val_print_optimized_out (stream);
else
- pascal_object_print_static_field (TYPE_FIELD_TYPE (type, i), v,
- stream, format, recurse + 1,
- pretty);
+ pascal_object_print_static_field (v, stream, recurse + 1,
+ options);
}
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, format, 0, recurse + 1, pretty);
+ valaddr, offset + TYPE_FIELD_BITPOS (type, i) / 8,
+ address, stream, recurse + 1, val, &opts,
+ current_language);
}
}
annotate_field_end ();
dont_print_statmem_obstack = tmp_obstack;
}
- if (pretty)
+ if (options->pretty)
{
fprintf_filtered (stream, "\n");
print_spaces_filtered (2 * recurse, stream);
/* Special val_print routine to avoid printing multiple copies of virtual
baseclasses. */
-void
-pascal_object_print_value (type, valaddr, address, stream, format, recurse, pretty,
- dont_print_vb)
- struct type *type;
- char *valaddr;
- CORE_ADDR address;
- struct ui_file *stream;
- int format;
- int recurse;
- enum val_prettyprint pretty;
- struct type **dont_print_vb;
+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 obstack tmp_obstack;
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);
if (dont_print_vb == 0)
/* If we're at top level, carve out a completely fresh
chunk of the obstack and use that until this particular
invocation returns. */
- tmp_obstack = dont_print_vb_obstack;
/* Bump up the high-water mark. Now alpha is omega. */
obstack_finish (&dont_print_vb_obstack);
}
for (i = 0; i < n_baseclasses; i++)
{
- int boffset;
+ int boffset = 0;
struct type *baseclass = check_typedef (TYPE_BASECLASS (type, i));
- char *basename = TYPE_NAME (baseclass);
- char *base_valaddr;
+ const char *basename = type_name_no_tag (baseclass);
+ const gdb_byte *base_valaddr = NULL;
+ int thisoffset;
+ volatile struct gdb_exception ex;
+ int skip = 0;
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;
- if (pretty)
+ TRY_CATCH (ex, RETURN_MASK_ERROR)
+ {
+ boffset = baseclass_offset (type, i, valaddr, offset, address, val);
+ }
+ if (ex.reason < 0 && ex.error == NOT_AVAILABLE_ERROR)
+ skip = -1;
+ else if (ex.reason < 0)
+ skip = 1;
+ else
+ {
+ skip = 0;
+
+ /* The virtual base class pointer might have been clobbered by the
+ user program. Make sure that it still points to a valid memory
+ location. */
+
+ if (boffset < 0 || boffset >= TYPE_LENGTH (type))
+ {
+ /* 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)
+ skip = 1;
+ address = address + boffset;
+ thisoffset = 0;
+ boffset = 0;
+ }
+ else
+ base_valaddr = valaddr;
+ }
+
+ if (options->pretty)
{
fprintf_filtered (stream, "\n");
print_spaces_filtered (2 * recurse, stream);
fputs_filtered (basename ? basename : "", stream);
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
- location. */
-
- if (boffset != -1 && (boffset < 0 || boffset >= TYPE_LENGTH (type)))
- {
- base_valaddr = (char *) alloca (TYPE_LENGTH (baseclass));
- if (target_read_memory (address + boffset, base_valaddr,
- TYPE_LENGTH (baseclass)) != 0)
- boffset = -1;
- }
- else
- base_valaddr = valaddr + boffset;
-
- if (boffset == -1)
- fprintf_filtered (stream, "<invalid address>");
+ if (skip < 0)
+ val_print_unavailable (stream);
+ else if (skip > 0)
+ val_print_invalid_address (stream);
else
- pascal_object_print_value_fields (baseclass, base_valaddr, address + boffset,
- stream, format, recurse, pretty,
+ 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);
static member classes in an obstack and refuse to print them more
than once.
- VAL contains the value to print, TYPE, STREAM, RECURSE, and PRETTY
+ VAL contains the value to print, STREAM, RECURSE, and OPTIONS
have the same meanings as in c_val_print. */
static void
-pascal_object_print_static_field (type, val, stream, format, recurse, pretty)
- struct type *type;
- value_ptr val;
- struct ui_file *stream;
- int format;
- int recurse;
- enum val_prettyprint pretty;
+pascal_object_print_static_field (struct value *val,
+ struct ui_file *stream,
+ int recurse,
+ const struct value_print_options *options)
{
+ struct type *type = value_type (val);
+ struct value_print_options opts;
+
if (TYPE_CODE (type) == TYPE_CODE_STRUCT)
{
- CORE_ADDR *first_dont_print;
+ CORE_ADDR *first_dont_print, addr;
int i;
first_dont_print
while (--i >= 0)
{
- if (VALUE_ADDRESS (val) == first_dont_print[i])
+ 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;
}
}
- obstack_grow (&dont_print_statmem_obstack, (char *) &VALUE_ADDRESS (val),
+ addr = value_address (val);
+ obstack_grow (&dont_print_statmem_obstack, (char *) &addr,
sizeof (CORE_ADDR));
CHECK_TYPEDEF (type);
- pascal_object_print_value_fields (type, VALUE_CONTENTS (val), VALUE_ADDRESS (val),
- stream, format, recurse, pretty, 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;
}
- val_print (type, VALUE_CONTENTS (val), 0, VALUE_ADDRESS (val),
- stream, format, 0, recurse, pretty);
-}
-void
-pascal_object_print_class_member (valaddr, domain, stream, prefix)
- char *valaddr;
- struct type *domain;
- struct ui_file *stream;
- char *prefix;
-{
-
- /* VAL is a byte offset into the structure type DOMAIN.
- Find the name of the field for that offset and
- print it. */
- int extra = 0;
- int bits = 0;
- register unsigned int i;
- unsigned len = TYPE_NFIELDS (domain);
- /* @@ Make VAL into bit offset */
- LONGEST val = unpack_long (builtin_type_int, valaddr) << 3;
- for (i = TYPE_N_BASECLASSES (domain); i < len; i++)
- {
- int bitpos = TYPE_FIELD_BITPOS (domain, i);
- QUIT;
- if (val == bitpos)
- break;
- if (val < bitpos && i != 0)
- {
- /* Somehow pointing into a field. */
- i -= 1;
- extra = (val - TYPE_FIELD_BITPOS (domain, i));
- if (extra & 0x7)
- bits = 1;
- else
- extra >>= 3;
- break;
- }
- }
- if (i < len)
- {
- char *name;
- fprintf_filtered (stream, prefix);
- name = type_name_no_tag (domain);
- if (name)
- fputs_filtered (name, stream);
- else
- pascal_type_print_base (domain, stream, 0, 0);
- fprintf_filtered (stream, "::");
- fputs_filtered (TYPE_FIELD_NAME (domain, i), stream);
- if (extra)
- fprintf_filtered (stream, " + %d bytes", extra);
- if (bits)
- fprintf_filtered (stream, " (offset in bits)");
- }
- else
- fprintf_filtered (stream, "%ld", (long int) (val >> 3));
+ opts = *options;
+ opts.deref_ref = 0;
+ common_val_print (val, stream, recurse, &opts, current_language);
}
+/* -Wmissing-prototypes */
+extern initialize_file_ftype _initialize_pascal_valprint;
void
-_initialize_pascal_valprint ()
+_initialize_pascal_valprint (void)
{
- add_show_from_set
- (add_set_cmd ("pascal_static-members", class_support, var_boolean,
- (char *) &pascal_static_field_print,
- "Set printing of pascal static members.",
- &setprintlist),
- &showprintlist);
- /* Turn on printing of static fields. */
- pascal_static_field_print = 1;
-
+ add_setshow_boolean_cmd ("pascal_static-members", class_support,
+ &user_print_options.pascal_static_field_print, _("\
+Set printing of pascal static members."), _("\
+Show printing of pascal static members."), NULL,
+ NULL,
+ show_pascal_static_field_print,
+ &setprintlist, &showprintlist);
}
projects / deliverable / binutils-gdb.git / blobdiff