/* Support for printing C values for GDB, the GNU debugger.
- Copyright 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997
+ Copyright 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
+ 1998, 1999, 2000, 2001
Free Software Foundation, Inc.
This file is part of GDB.
Boston, MA 02111-1307, 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"
\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 = CONVERT_FROM_FUNC_PTR_ADDR (address);
+
+ /* If the function pointer is represented by a description, print the
+ address of the description. */
+ if (addressprint && func_addr != address)
+ {
+ fputs_filtered ("@", stream);
+ 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, char *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 len;
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;
/* 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));
{
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 (vt_address && vtblprint)
{
- value_ptr vt_val;
+ struct value *vt_val;
struct symbol *wsym = (struct symbol *) NULL;
struct type *wtype;
struct symtab *s;
}
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);
+ 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),
}
/* 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,
}
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;
+ {
+ struct value *v = value_at (type, address, NULL);
+ cp_print_class_method (VALUE_CONTENTS (value_addr (v)),
+ lookup_pointer_type (type), stream);
+ break;
+ }
case TYPE_CODE_VOID:
fprintf_filtered (stream, "void");
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));
}
}
\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;
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"))
+ 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);
+ 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. */
+ val->aligner.contents[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
/* 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);
+ /* 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))
{
projects / binutils.git / blobdiff