/* Support for printing C++ values for GDB, the GNU debugger.
Copyright 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
- 2000, 2001
+ 2000, 2001, 2002, 2003
Free Software Foundation, Inc.
This file is part of GDB.
Boston, MA 02111-1307, USA. */
#include "defs.h"
-#include "obstack.h"
+#include "gdb_obstack.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "expression.h"
#include "c-lang.h"
#include "target.h"
#include "cp-abi.h"
+#include "valprint.h"
/* Indication of presence of HP-compiled object files */
extern int hp_som_som_object_present; /* defined in symtab.c */
fprintf_filtered (stream, "<unknown>");
return;
}
- addr = unpack_pointer (lookup_pointer_type (builtin_type_void), valaddr);
+ addr = unpack_pointer (type, valaddr);
if (METHOD_PTR_IS_VIRTUAL (addr))
{
offset = METHOD_PTR_TO_VOFFSET (addr);
f = TYPE_FN_FIELDLIST1 (domain, i);
len2 = TYPE_FN_FIELDLIST_LENGTH (domain, i);
+ check_stub_method_group (domain, i);
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;
}
f = TYPE_FN_FIELDLIST1 (domain, i);
len2 = TYPE_FN_FIELDLIST_LENGTH (domain, i);
+ check_stub_method_group (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;
- }
+ if (strcmp (DEPRECATED_SYMBOL_NAME (sym), TYPE_FN_FIELD_PHYSNAME (f, j))
+ == 0)
+ goto common;
}
}
}
}
}
-/* This was what it was for gcc 2.4.5 and earlier. */
-static const char vtbl_ptr_name_old[] =
-{
- CPLUS_MARKER, 'v', 't', 'b', 'l', '_', 'p', 't', 'r', '_',
- 't', 'y', 'p', 'e', 0
-};
-
-/* It was changed to this after 2.4.5. */
+/* GCC versions after 2.4.5 use this. */
const char vtbl_ptr_name[] = "__vtbl_ptr_type";
-/* HP aCC uses different names */
+/* HP aCC uses different names. */
const char hpacc_vtbl_ptr_name[] = "__vfp";
const char hpacc_vtbl_ptr_type_name[] = "__vftyp";
-
/* Return truth value for assertion that TYPE is of the type
"pointer to virtual function". */
{
char *typename = type_name_no_tag (type);
- return (typename != NULL
- && (STREQ (typename, vtbl_ptr_name)
- || STREQ (typename, vtbl_ptr_name_old)));
+ return (typename != NULL && !strcmp (typename, vtbl_ptr_name));
}
/* Return truth value for the assertion that TYPE is of the type
int
cp_is_vtbl_member (struct type *type)
{
+ /* With older versions of g++, the vtbl field pointed to an array
+ of structures. Nowadays it points directly to the structure. */
if (TYPE_CODE (type) == TYPE_CODE_PTR)
{
type = TYPE_TARGET_TYPE (type);
return cp_is_vtbl_ptr_type (type);
}
}
+ else if (TYPE_CODE (type) == TYPE_CODE_STRUCT) /* if not using thunks */
+ {
+ return cp_is_vtbl_ptr_type (type);
+ }
+ else if (TYPE_CODE (type) == TYPE_CODE_PTR) /* if using thunks */
+ {
+ /* The type name of the thunk pointer is NULL when using dwarf2.
+ We could test for a pointer to a function, but there is
+ no type info for the virtual table either, so it wont help. */
+ return cp_is_vtbl_ptr_type (type);
+ }
}
return 0;
}
if ((len == n_baseclasses)
|| ((len - n_baseclasses == 1)
&& TYPE_HAS_VTABLE (type)
- && STREQN (TYPE_FIELD_NAME (type, n_baseclasses),
- hpacc_vtbl_ptr_name, 5))
+ && strncmp (TYPE_FIELD_NAME (type, n_baseclasses),
+ hpacc_vtbl_ptr_name, 5) == 0)
|| !len)
fprintf_filtered (stream, "<No data fields>");
else
{
- extern int inspect_it;
-
if (dont_print_statmem == 0)
{
/* If we're at top level, carve out a completely fresh
/* If a vtable pointer appears, we'll print it out later */
if (TYPE_HAS_VTABLE (type)
- && STREQN (TYPE_FIELD_NAME (type, i), hpacc_vtbl_ptr_name, 5))
+ && strncmp (TYPE_FIELD_NAME (type, i), hpacc_vtbl_ptr_name,
+ 5) == 0)
continue;
if (fields_seen)
} /* if there are data fields */
/* Now print out the virtual table pointer if there is one */
if (TYPE_HAS_VTABLE (type)
- && STREQN (TYPE_FIELD_NAME (type, n_baseclasses),
- hpacc_vtbl_ptr_name,
- 5))
+ && strncmp (TYPE_FIELD_NAME (type, n_baseclasses),
+ hpacc_vtbl_ptr_name, 5) == 0)
{
struct value *v;
/* First get the virtual table pointer and print it out */
{
boffset = baseclass_offset (type, i,
valaddr + offset,
- address + offset);
+ address);
skip = ((boffset == -1) || (boffset + offset) < 0) ? 1 : -1;
if (BASETYPE_VIA_VIRTUAL (type, i))
&& ((boffset + offset) < 0
|| (boffset + offset) >= TYPE_LENGTH (type)))
{
+ /* FIXME (alloca): unsafe if baseclass is really really large. */
base_valaddr = (char *) alloca (TYPE_LENGTH (baseclass));
- if (target_read_memory (address + offset + boffset, base_valaddr,
+ if (target_read_memory (address + boffset, base_valaddr,
TYPE_LENGTH (baseclass)) != 0)
skip = 1;
+ address = address + boffset;
thisoffset = 0;
boffset = 0;
thistype = baseclass;
fprintf_filtered (stream, "<invalid address>");
else
cp_print_value_fields (baseclass, thistype, base_valaddr,
- thisoffset + boffset, address, stream, format,
+ thisoffset + boffset, address + boffset,
+ stream, format,
recurse, pretty,
((struct type **)
obstack_base (&dont_print_vb_obstack)),
projects / deliverable / binutils-gdb.git / blobdiff