/* Support for printing C values for GDB, the GNU debugger.
- Copyright 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997
+
+ Copyright (C) 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
+ 1998, 1999, 2000, 2001, 2003, 2005, 2006, 2007
Free Software Foundation, Inc.
This file is part of GDB.
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. */
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
#include "defs.h"
+#include "gdb_string.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "expression.h"
#include "value.h"
-#include "demangle.h"
#include "valprint.h"
#include "language.h"
#include "c-lang.h"
+#include "cp-abi.h"
+#include "target.h"
\f
+/* Print function pointer with inferior address ADDRESS onto stdio
+ stream STREAM. */
+
+static void
+print_function_pointer_address (CORE_ADDR address, struct ui_file *stream)
+{
+ CORE_ADDR func_addr = gdbarch_convert_from_func_ptr_addr (current_gdbarch,
+ address,
+ ¤t_target);
+
+ /* If the function pointer is represented by a description, print the
+ address of the description. */
+ if (addressprint && func_addr != address)
+ {
+ fputs_filtered ("@", stream);
+ deprecated_print_address_numeric (address, 1, stream);
+ fputs_filtered (": ", stream);
+ }
+ print_address_demangle (func_addr, stream, demangle);
+}
+
+
/* 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
The PRETTY parameter controls prettyprinting. */
int
-c_val_print (type, valaddr, embedded_offset, address, stream, format, deref_ref, recurse,
- pretty)
- struct type *type;
- char *valaddr;
- int embedded_offset;
- CORE_ADDR address;
- GDB_FILE *stream;
- int format;
- int deref_ref;
- int recurse;
- enum val_prettyprint pretty;
+c_val_print (struct type *type, const gdb_byte *valaddr, int embedded_offset,
+ CORE_ADDR address, struct ui_file *stream, int format,
+ int deref_ref, int recurse, enum val_prettyprint pretty)
{
- register unsigned int i = 0; /* Number of characters printed */
+ unsigned int i = 0; /* Number of characters printed */
unsigned len;
struct type *elttype;
unsigned eltlen;
}
/* For an array of chars, print with string syntax. */
if (eltlen == 1 &&
- ((TYPE_CODE (elttype) == TYPE_CODE_INT)
+ ((TYPE_CODE (elttype) == TYPE_CODE_INT && TYPE_NOSIGN (elttype))
|| ((current_language->la_language == language_m2)
&& (TYPE_CODE (elttype) == TYPE_CODE_CHAR)))
&& (format == 0 || format == 's'))
elements up to it. */
if (stop_print_at_null)
{
- int temp_len;
+ unsigned int temp_len;
/* Look for a NULL char. */
for (temp_len = 0;
if (cp_is_vtbl_ptr_type (elttype))
{
i = 1;
- fprintf_filtered (stream, "%d vtable entries", len - 1);
+ fprintf_filtered (stream, _("%d vtable entries"), len - 1);
}
else
{
addr = address;
goto print_unpacked_pointer;
+ case TYPE_CODE_MEMBERPTR:
+ if (format)
+ {
+ print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
+ break;
+ }
+ cp_print_class_member (valaddr + embedded_offset,
+ TYPE_DOMAIN_TYPE (type),
+ stream, "&");
+ break;
+
+ case TYPE_CODE_METHODPTR:
+ cplus_print_method_ptr (valaddr + embedded_offset, type, stream);
+ break;
+
case TYPE_CODE_PTR:
if (format && format != 's')
{
/* 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);
+ CORE_ADDR addr
+ = extract_typed_address (valaddr + embedded_offset, type);
+ print_function_pointer_address (addr, stream);
break;
}
elttype = check_typedef (TYPE_TARGET_TYPE (type));
- if (TYPE_CODE (elttype) == TYPE_CODE_METHOD)
- {
- cp_print_class_method (valaddr + embedded_offset, type, stream);
- }
- else if (TYPE_CODE (elttype) == TYPE_CODE_MEMBER)
- {
- cp_print_class_member (valaddr + embedded_offset,
- TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type)),
- 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);
+ print_function_pointer_address (addr, stream);
/* Return value is irrelevant except for string pointers. */
return (0);
}
if (addressprint && format != 's')
{
- print_address_numeric (addr, 1, stream);
+ deprecated_print_address_numeric (addr, 1, stream);
}
/* For a pointer to char or unsigned char, also print the string
(vt_address == SYMBOL_VALUE_ADDRESS (msymbol)))
{
fputs_filtered (" <", stream);
- fputs_filtered (SYMBOL_SOURCE_NAME (msymbol), stream);
+ fputs_filtered (SYMBOL_PRINT_NAME (msymbol), stream);
fputs_filtered (">", stream);
}
if (vt_address && vtblprint)
{
- value_ptr vt_val;
+ struct value *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);
+ wsym = lookup_symbol (DEPRECATED_SYMBOL_NAME (msymbol), block,
+ VAR_DOMAIN, &is_this_fld, NULL);
if (wsym)
{
{
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);
+ vt_val = value_at (wtype, vt_address);
+ common_val_print (vt_val, stream, format,
+ deref_ref, recurse + 1, pretty);
if (pretty)
{
fprintf_filtered (stream, "\n");
}
break;
- case TYPE_CODE_MEMBER:
- error ("not implemented: member type in c_val_print");
- break;
-
case TYPE_CODE_REF:
elttype = check_typedef (TYPE_TARGET_TYPE (type));
- if (TYPE_CODE (elttype) == TYPE_CODE_MEMBER)
- {
- cp_print_class_member (valaddr + embedded_offset,
- TYPE_DOMAIN_TYPE (elttype),
- stream, "");
- break;
- }
if (addressprint)
{
+ CORE_ADDR addr
+ = extract_typed_address (valaddr + embedded_offset, type);
fprintf_filtered (stream, "@");
- print_address_numeric
- (extract_address (valaddr + embedded_offset,
- TARGET_PTR_BIT / HOST_CHAR_BIT), 1, stream);
+ deprecated_print_address_numeric (addr, 1, stream);
if (deref_ref)
fputs_filtered (": ", stream);
}
{
if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF)
{
- value_ptr deref_val =
+ 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);
+ valaddr + embedded_offset));
+ common_val_print (deref_val, stream, format, deref_ref,
+ recurse, pretty);
}
else
fputs_filtered ("???", stream);
}
/* Fall through. */
case TYPE_CODE_STRUCT:
+ /*FIXME: Abstract this away */
if (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.) */
- 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);
+ int offset = (embedded_offset +
+ TYPE_FIELD_BITPOS (type, VTBL_FNADDR_OFFSET) / 8);
+ struct type *field_type = TYPE_FIELD_TYPE (type, VTBL_FNADDR_OFFSET);
+ CORE_ADDR addr
+ = extract_typed_address (valaddr + offset, field_type);
+
+ print_function_pointer_address (addr, stream);
}
else
cp_print_value_fields (type, type, valaddr, embedded_offset, address, stream, format,
}
break;
+ case TYPE_CODE_FLAGS:
+ if (format)
+ print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
+ else
+ val_print_type_code_flags (type, valaddr + embedded_offset, stream);
+ break;
+
case TYPE_CODE_FUNC:
+ case TYPE_CODE_METHOD:
if (format)
{
print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
}
else
{
- fprintf_filtered (stream, TYPE_UNSIGNED (type) ? "%u" : "%d",
- unpack_long (type, valaddr + embedded_offset));
+ 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) unpack_long (type, valaddr + embedded_offset), stream);
+ LA_PRINT_CHAR ((unsigned char) val, stream);
}
break;
}
break;
- case TYPE_CODE_METHOD:
- cp_print_class_method (valaddr + embedded_offset, lookup_pointer_type (type), stream);
- break;
-
case TYPE_CODE_VOID:
fprintf_filtered (stream, "void");
break;
case TYPE_CODE_ERROR:
- fprintf_filtered (stream, "<error type>");
+ 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>");
+ fprintf_filtered (stream, _("<incomplete type>"));
+ break;
+
+ case TYPE_CODE_COMPLEX:
+ if (format)
+ print_scalar_formatted (valaddr + embedded_offset,
+ TYPE_TARGET_TYPE (type),
+ format, 0, stream);
+ else
+ print_floating (valaddr + embedded_offset, TYPE_TARGET_TYPE (type),
+ stream);
+ fprintf_filtered (stream, " + ");
+ if (format)
+ print_scalar_formatted (valaddr + embedded_offset
+ + TYPE_LENGTH (TYPE_TARGET_TYPE (type)),
+ TYPE_TARGET_TYPE (type),
+ format, 0, stream);
+ else
+ print_floating (valaddr + embedded_offset
+ + TYPE_LENGTH (TYPE_TARGET_TYPE (type)),
+ TYPE_TARGET_TYPE (type),
+ stream);
+ fprintf_filtered (stream, " * I");
break;
default:
- error ("Invalid C/C++ type code %d in symbol table.", TYPE_CODE (type));
+ error (_("Invalid C/C++ type code %d in symbol table."), TYPE_CODE (type));
}
gdb_flush (stream);
return (0);
}
\f
int
-c_value_print (val, stream, format, pretty)
- value_ptr val;
- GDB_FILE *stream;
- int format;
- enum val_prettyprint pretty;
+c_value_print (struct value *val, struct ui_file *stream, int format,
+ enum val_prettyprint pretty)
{
- struct type *type = VALUE_TYPE (val);
- struct type *real_type;
+ struct type *type, *real_type;
int full, top, using_enc;
/* 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. */
- if (TYPE_CODE (type) == TYPE_CODE_PTR ||
- TYPE_CODE (type) == TYPE_CODE_REF)
+
+ type = check_typedef (value_type (val));
+
+ 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"))
+ 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 */
}
else if (objectprint && (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_CLASS))
{
+
+ if (TYPE_CODE(type) == TYPE_CODE_REF)
+ {
+ /* Copy value, change to pointer, so we don't get an
+ * error about a non-pointer type in value_rtti_target_type
+ */
+ struct value *temparg;
+ temparg=value_copy(val);
+ deprecated_set_value_type (temparg, lookup_pointer_type (TYPE_TARGET_TYPE(type)));
+ val=temparg;
+ }
/* Pointer to class, check real type of object */
fprintf_filtered (stream, "(");
- type = value_rtti_target_type (val, &full, &top, &using_enc);
- if (type)
+ real_type = value_rtti_target_type (val, &full, &top, &using_enc);
+ if (real_type)
{
/* RTTI entry found */
- type = lookup_pointer_type (type);
- type_print (type, "", stream, -1);
- }
- else
- {
- /* No RTTI fields, do whatever we can */
- type = VALUE_ENCLOSING_TYPE (val);
- type_print (type, "", stream, -1);
- fprintf_filtered (stream, " ?");
- }
+ if (TYPE_CODE (type) == TYPE_CODE_PTR)
+ {
+ /* create a pointer type pointing to the real type */
+ type = lookup_pointer_type (real_type);
+ }
+ else
+ {
+ /* create a reference type referencing the real type */
+ type = lookup_reference_type (real_type);
+ }
+ /* JYG: Need to adjust pointer value. */
+ /* NOTE: cagney/2005-01-02: THIS IS BOGUS. */
+ value_contents_writeable (val)[0] -= top;
+
+ /* Note: When we look up RTTI entries, we don't get any
+ information on const or volatile attributes */
+ }
+ type_print (type, "", stream, -1);
fprintf_filtered (stream, ") ");
}
else
{
/* normal case */
fprintf_filtered (stream, "(");
- type_print (type, "", stream, -1);
+ type_print (value_type (val), "", stream, -1);
fprintf_filtered (stream, ") ");
}
}
- if (objectprint && (TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_CLASS))
+
+ if (objectprint && (TYPE_CODE (type) == TYPE_CODE_CLASS))
{
/* Attempt to determine real type of object */
real_type = value_rtti_type (val, &full, &top, &using_enc);
val = value_full_object (val, real_type, full, top, using_enc);
fprintf_filtered (stream, "(%s%s) ",
TYPE_NAME (real_type),
- full ? "" : " [incomplete object]");
+ full ? "" : _(" [incomplete object]"));
/* Print out object: enclosing type is same as real_type if full */
- return val_print (VALUE_ENCLOSING_TYPE (val), VALUE_CONTENTS_ALL (val), 0,
- VALUE_ADDRESS (val), stream, format, 1, 0, pretty);
+ return val_print (value_enclosing_type (val),
+ value_contents_all (val), 0,
+ VALUE_ADDRESS (val), stream, format, 1, 0, pretty);
+ /* Note: When we look up RTTI entries, we don't get any information on
+ const or volatile attributes */
}
- else if (type != VALUE_ENCLOSING_TYPE (val))
+ else if (type != check_typedef (value_enclosing_type (val)))
{
/* No RTTI information, so let's do our best */
fprintf_filtered (stream, "(%s ?) ",
- TYPE_NAME (VALUE_ENCLOSING_TYPE (val)));
- return val_print (VALUE_ENCLOSING_TYPE (val), VALUE_CONTENTS_ALL (val), 0,
- VALUE_ADDRESS (val), stream, format, 1, 0, pretty);
+ TYPE_NAME (value_enclosing_type (val)));
+ return val_print (value_enclosing_type (val),
+ value_contents_all (val), 0,
+ VALUE_ADDRESS (val), stream, format, 1, 0, pretty);
}
/* Otherwise, we end up at the return outside this "if" */
}
- return val_print (type, VALUE_CONTENTS_ALL (val), VALUE_EMBEDDED_OFFSET (val),
- VALUE_ADDRESS (val),
+ return val_print (type, value_contents_all (val),
+ value_embedded_offset (val),
+ VALUE_ADDRESS (val) + value_offset (val),
stream, format, 1, 0, pretty);
}