#include "defs.h"
#include "gdb_obstack.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "expression.h"
#include "value.h"
#include "command.h"
#include "gdbcmd.h"
#include "demangle.h"
#include "annotate.h"
#include "gdb_string.h"
#include "c-lang.h"
#include "target.h"
#include "cp-abi.h"
#include "valprint.h"
#include "cp-support.h"
#include "language.h"
int vtblprint;
static void
show_vtblprint (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
fprintf_filtered (file, _("\
Printing of C++ virtual function tables is %s.\n"),
value);
}
int objectprint;
static void
show_objectprint (struct ui_file *file, int from_tty,
struct cmd_list_element *c,
const char *value)
{
fprintf_filtered (file, _("\
Printing of object's derived type based on vtable info is %s.\n"),
value);
}
int static_field_print;
static void
show_static_field_print (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
fprintf_filtered (file, _("Printing of C++ static members is %s.\n"),
value);
}
static struct obstack dont_print_vb_obstack;
static struct obstack dont_print_statmem_obstack;
extern void _initialize_cp_valprint (void);
static void cp_print_static_field (struct type *, struct value *,
struct ui_file *, int, int,
enum val_prettyprint);
static void cp_print_value (struct type *, struct type *, const gdb_byte *,
int, CORE_ADDR, struct ui_file *, int, int,
enum val_prettyprint, struct type **);
static void cp_print_hpacc_virtual_table_entries (struct type *, int *,
struct value *,
struct ui_file *, int,
int,
enum val_prettyprint);
void
cp_print_class_method (const gdb_byte *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 (type, 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);
check_stub_method_group (domain, i);
for (j = 0; j < len2; j++)
{
if (TYPE_FN_FIELD_VOFFSET (f, j) == offset)
{
kind = "virtual ";
goto common;
}
}
}
}
else
{
sym = find_pc_function (addr);
if (sym == 0)
{
if (deprecated_hp_som_som_object_present)
{
fputs_filtered ("?? <not supported with HP aCC>", stream);
return;
}
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);
check_stub_method_group (domain, i);
for (j = 0; j < len2; j++)
{
if (strcmp (DEPRECATED_SYMBOL_NAME (sym), TYPE_FN_FIELD_PHYSNAME (f, j))
== 0)
goto common;
}
}
}
common:
if (i < len)
{
char *demangled_name;
fprintf_filtered (stream, "&");
fputs_filtered (kind, stream);
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);
xfree (demangled_name);
}
}
else
{
fprintf_filtered (stream, "(");
type_print (type, "", stream, -1);
fprintf_filtered (stream, ") %d", (int) addr >> 3);
}
}
const char vtbl_ptr_name[] = "__vtbl_ptr_type";
const char hpacc_vtbl_ptr_name[] = "__vfp";
const char hpacc_vtbl_ptr_type_name[] = "__vftyp";
int
cp_is_vtbl_ptr_type (struct type *type)
{
char *typename = type_name_no_tag (type);
return (typename != NULL && !strcmp (typename, vtbl_ptr_name));
}
int
cp_is_vtbl_member (struct type *type)
{
if (TYPE_CODE (type) == TYPE_CODE_PTR)
{
type = TYPE_TARGET_TYPE (type);
if (TYPE_CODE (type) == TYPE_CODE_ARRAY)
{
type = TYPE_TARGET_TYPE (type);
if (TYPE_CODE (type) == TYPE_CODE_STRUCT
|| TYPE_CODE (type) == TYPE_CODE_PTR)
{
return cp_is_vtbl_ptr_type (type);
}
}
else if (TYPE_CODE (type) == TYPE_CODE_STRUCT)
{
return cp_is_vtbl_ptr_type (type);
}
else if (TYPE_CODE (type) == TYPE_CODE_PTR)
{
return cp_is_vtbl_ptr_type (type);
}
}
return 0;
}
void
cp_print_value_fields (struct type *type, struct type *real_type,
const gdb_byte *valaddr, int offset, CORE_ADDR address,
struct ui_file *stream, int format, int recurse,
enum val_prettyprint pretty,
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);
int fields_seen = 0;
CHECK_TYPEDEF (type);
fprintf_filtered (stream, "{");
len = TYPE_NFIELDS (type);
n_baseclasses = TYPE_N_BASECLASSES (type);
if (n_baseclasses > 0)
cp_print_value (type, real_type, valaddr, offset, address, stream,
format, recurse + 1, pretty, dont_print_vb);
if ((len == n_baseclasses)
|| ((len - n_baseclasses == 1)
&& TYPE_HAS_VTABLE (type)
&& strncmp (TYPE_FIELD_NAME (type, n_baseclasses),
hpacc_vtbl_ptr_name, 5) == 0)
|| !len)
fprintf_filtered (stream, "<No data fields>");
else
{
if (dont_print_statmem == 0)
{
tmp_obstack = dont_print_statmem_obstack;
obstack_finish (&dont_print_statmem_obstack);
}
for (i = n_baseclasses; i < len; i++)
{
if (!static_field_print && TYPE_FIELD_STATIC (type, i))
continue;
if (TYPE_HAS_VTABLE (type)
&& strncmp (TYPE_FIELD_NAME (type, i), hpacc_vtbl_ptr_name,
5) == 0)
continue;
if (fields_seen)
fprintf_filtered (stream, ", ");
else if (n_baseclasses > 0)
{
if (pretty)
{
fprintf_filtered (stream, "\n");
print_spaces_filtered (2 + 2 * recurse, stream);
fputs_filtered ("members of ", stream);
fputs_filtered (type_name_no_tag (type), stream);
fputs_filtered (": ", stream);
}
}
fields_seen = 1;
if (pretty)
{
fprintf_filtered (stream, "\n");
print_spaces_filtered (2 + 2 * recurse, stream);
}
else
{
wrap_here (n_spaces (2 + 2 * recurse));
}
if (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))
fputs_filtered ("static ", stream);
fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
current_language->la_language,
DMGL_PARAMS | DMGL_ANSI);
fputs_filtered ("\" \"", stream);
fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
current_language->la_language,
DMGL_PARAMS | DMGL_ANSI);
fputs_filtered ("\") \"", stream);
}
else
{
annotate_field_begin (TYPE_FIELD_TYPE (type, i));
if (TYPE_FIELD_STATIC (type, i))
fputs_filtered ("static ", stream);
fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
current_language->la_language,
DMGL_PARAMS | DMGL_ANSI);
annotate_field_name_end ();
if (strcmp (TYPE_FIELD_NAME (type, i), ""))
fputs_filtered (" = ", stream);
annotate_field_value ();
}
if (!TYPE_FIELD_STATIC (type, i) && TYPE_FIELD_PACKED (type, i))
{
struct value *v;
if (TYPE_FIELD_IGNORE (type, i))
{
fputs_filtered ("<optimized out or zero length>", stream);
}
else
{
v = value_from_longest
(TYPE_FIELD_TYPE (type, i),
unpack_field_as_long (type, valaddr + offset, i));
common_val_print (v, stream, format, 0, recurse + 1, pretty);
}
}
else
{
if (TYPE_FIELD_IGNORE (type, i))
{
fputs_filtered ("<optimized out or zero length>", stream);
}
else if (TYPE_FIELD_STATIC (type, i))
{
struct value *v = value_static_field (type, i);
if (v == NULL)
fputs_filtered ("<optimized out>", stream);
else
cp_print_static_field (TYPE_FIELD_TYPE (type, i), v,
stream, format, recurse + 1,
pretty);
}
else
{
val_print (TYPE_FIELD_TYPE (type, i),
valaddr, offset + TYPE_FIELD_BITPOS (type, i) / 8,
address + TYPE_FIELD_BITPOS (type, i) / 8,
stream, format, 0, recurse + 1, pretty);
}
}
annotate_field_end ();
}
if (dont_print_statmem == 0)
{
obstack_free (&dont_print_statmem_obstack, last_dont_print);
dont_print_statmem_obstack = tmp_obstack;
}
if (pretty)
{
fprintf_filtered (stream, "\n");
print_spaces_filtered (2 * recurse, stream);
}
}
if (TYPE_HAS_VTABLE (type)
&& strncmp (TYPE_FIELD_NAME (type, n_baseclasses),
hpacc_vtbl_ptr_name, 5) == 0)
{
struct value *v;
#if 0
fputs_filtered ("__vfp = ", stream);
#endif
fputs_filtered (", Virtual table at ", stream);
v = value_from_pointer (lookup_pointer_type (builtin_type_unsigned_long),
*(unsigned long *) (valaddr + offset));
common_val_print (v, stream, format, 0, recurse + 1, pretty);
fields_seen = 1;
if (vtblprint)
{
if (1)
{
fputs_filtered (" {", stream);
#if 0
int vfuncs = count_virtual_fns (real_type);
fprintf_filtered (stream, "%d entr%s: ", vfuncs,
vfuncs == 1 ? "y" : "ies");
#else
fputs_filtered ("not implemented", stream);
#endif
#if 0
cp_print_hpacc_virtual_table_entries (real_type, &vfuncs, v,
stream, format, recurse,
pretty);
#endif
fputs_filtered ("}", stream);
}
else
{
}
}
if (pretty)
{
fprintf_filtered (stream, "\n");
print_spaces_filtered (2 * recurse, stream);
}
}
fprintf_filtered (stream, "}");
}
static void
cp_print_value (struct type *type, struct type *real_type,
const gdb_byte *valaddr, int offset, CORE_ADDR address,
struct ui_file *stream, int format, int recurse,
enum val_prettyprint pretty, struct type **dont_print_vb)
{
struct obstack tmp_obstack;
struct type **last_dont_print
= (struct type **) obstack_next_free (&dont_print_vb_obstack);
int i, n_baseclasses = TYPE_N_BASECLASSES (type);
int thisoffset;
struct type *thistype;
if (dont_print_vb == 0)
{
tmp_obstack = dont_print_vb_obstack;
obstack_finish (&dont_print_vb_obstack);
}
for (i = 0; i < n_baseclasses; i++)
{
int boffset;
int skip;
struct type *baseclass = check_typedef (TYPE_BASECLASS (type, i));
char *basename = TYPE_NAME (baseclass);
const gdb_byte *base_valaddr;
if (BASETYPE_VIA_VIRTUAL (type, i))
{
struct type **first_dont_print
= (struct type **) obstack_base (&dont_print_vb_obstack);
int j = (struct type **) obstack_next_free (&dont_print_vb_obstack)
- first_dont_print;
while (--j >= 0)
if (baseclass == first_dont_print[j])
goto flush_it;
obstack_ptr_grow (&dont_print_vb_obstack, baseclass);
}
thisoffset = offset;
thistype = real_type;
if (TYPE_HAS_VTABLE (type) && BASETYPE_VIA_VIRTUAL (type, i))
{
find_rt_vbase_offset (type, TYPE_BASECLASS (type, i),
valaddr, offset, &boffset, &skip);
if (skip >= 0)
error (_("Virtual base class offset not found from vtable while"
" printing"));
base_valaddr = valaddr;
}
else
{
boffset = baseclass_offset (type, i,
valaddr + offset,
address);
skip = ((boffset == -1) || (boffset + offset) < 0) ? 1 : -1;
if (BASETYPE_VIA_VIRTUAL (type, i))
{
if (boffset != -1
&& ((boffset + offset) < 0
|| (boffset + offset) >= TYPE_LENGTH (type)))
{
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;
thistype = baseclass;
}
else
base_valaddr = valaddr;
}
else
base_valaddr = valaddr;
}
if (pretty)
{
fprintf_filtered (stream, "\n");
print_spaces_filtered (2 * recurse, stream);
}
fputs_filtered ("<", stream);
fputs_filtered (basename ? basename : "", stream);
fputs_filtered ("> = ", stream);
if (skip >= 1)
fprintf_filtered (stream, "<invalid address>");
else
cp_print_value_fields (baseclass, thistype, base_valaddr,
thisoffset + boffset, address + boffset,
stream, format,
recurse, pretty,
((struct type **)
obstack_base (&dont_print_vb_obstack)),
0);
fputs_filtered (", ", stream);
flush_it:
;
}
if (dont_print_vb == 0)
{
obstack_free (&dont_print_vb_obstack, last_dont_print);
dont_print_vb_obstack = tmp_obstack;
}
}
static void
cp_print_static_field (struct type *type,
struct value *val,
struct ui_file *stream,
int format,
int recurse,
enum val_prettyprint pretty)
{
if (TYPE_CODE (type) == TYPE_CODE_STRUCT)
{
CORE_ADDR *first_dont_print;
int i;
first_dont_print
= (CORE_ADDR *) obstack_base (&dont_print_statmem_obstack);
i = (CORE_ADDR *) obstack_next_free (&dont_print_statmem_obstack)
- first_dont_print;
while (--i >= 0)
{
if (VALUE_ADDRESS (val) == first_dont_print[i])
{
fputs_filtered ("<same as static member of an already"
" seen type>",
stream);
return;
}
}
obstack_grow (&dont_print_statmem_obstack, (char *) &VALUE_ADDRESS (val),
sizeof (CORE_ADDR));
CHECK_TYPEDEF (type);
cp_print_value_fields (type, type, value_contents_all (val),
value_embedded_offset (val), VALUE_ADDRESS (val),
stream, format, recurse, pretty, NULL, 1);
return;
}
val_print (type, value_contents_all (val),
value_embedded_offset (val), VALUE_ADDRESS (val),
stream, format, 0, recurse, pretty);
}
void
cp_print_class_member (const gdb_byte *valaddr, struct type *domain,
struct ui_file *stream, char *prefix)
{
int extra = 0;
int bits = 0;
unsigned int i;
unsigned len = TYPE_NFIELDS (domain);
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)
{
i -= 1;
extra = (val - TYPE_FIELD_BITPOS (domain, i));
if (extra & 0x7)
bits = 1;
else
extra >>= 3;
break;
}
}
if (i < len)
{
char *name;
fputs_filtered (prefix, stream);
name = type_name_no_tag (domain);
if (name)
fputs_filtered (name, stream);
else
c_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) (val >> 3));
}
static void
cp_print_hpacc_virtual_table_entries (struct type *type, int *vfuncs,
struct value *v, struct ui_file *stream,
int format, int recurse,
enum val_prettyprint pretty)
{
int fn, oi;
struct type *pbc = primary_base_class (type);
if (pbc)
cp_print_hpacc_virtual_table_entries (pbc, vfuncs, v, stream, format,
recurse, pretty);
for (fn = 0; fn < TYPE_NFN_FIELDS (type); fn++)
for (oi = 0; oi < TYPE_FN_FIELDLIST_LENGTH (type, fn); oi++)
if (TYPE_FN_FIELD_VIRTUAL_P (TYPE_FN_FIELDLIST1 (type, fn), oi))
{
char *vf_name;
const char *field_physname;
int vx = (TYPE_FN_FIELD_VOFFSET (TYPE_FN_FIELDLIST1 (type, fn), oi)
- 1);
struct value *vf = value_copy (v);
if (value_lazy (vf))
(void) value_fetch_lazy (vf);
value_contents_writeable (vf)[0] += 4 * (HP_ACC_VFUNC_START + vx);
vf = value_ind (vf);
deprecated_set_value_type (vf, value_type (v));
common_val_print (vf, stream, format, 0, recurse + 1, pretty);
field_physname
= TYPE_FN_FIELD_PHYSNAME (TYPE_FN_FIELDLIST1 (type, fn), oi);
vf_name = cplus_demangle (field_physname, DMGL_ARM);
fprintf_filtered (stream, " %s", vf_name);
if (--(*vfuncs) > 0)
fputs_filtered (", ", stream);
}
}
void
_initialize_cp_valprint (void)
{
add_setshow_boolean_cmd ("static-members", class_support,
&static_field_print, _("\
Set printing of C++ static members."), _("\
Show printing of C++ static members."), NULL,
NULL,
show_static_field_print,
&setprintlist, &showprintlist);
static_field_print = 1;
add_setshow_boolean_cmd ("vtbl", class_support, &vtblprint, _("\
Set printing of C++ virtual function tables."), _("\
Show printing of C++ virtual function tables."), NULL,
NULL,
show_vtblprint,
&setprintlist, &showprintlist);
add_setshow_boolean_cmd ("object", class_support, &objectprint, _("\
Set printing of object's derived type based on vtable info."), _("\
Show printing of object's derived type based on vtable info."), NULL,
NULL,
show_objectprint,
&setprintlist, &showprintlist);
objectprint = 0;
vtblprint = 0;
obstack_begin (&dont_print_vb_obstack, 32 * sizeof (struct type *));
obstack_specify_allocation (&dont_print_statmem_obstack,
32 * sizeof (CORE_ADDR), sizeof (CORE_ADDR),
xmalloc, xfree);
}