int
scm_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)
{
if (is_scmvalue_type (type))
{
LONGEST svalue = extract_signed_integer (valaddr, TYPE_LENGTH (type));
if (scm_inferior_print (svalue, stream, format,
deref_ref, recurse, pretty) >= 0)
{
}
else
{
scm_scmval_print (svalue, stream, format,
deref_ref, recurse, pretty);
}
gdb_flush (stream);
return (0);
}
else
{
return c_val_print (type, valaddr, 0, address, stream, format,
deref_ref, recurse, pretty);
}
}
int
m2_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)
{
return (c_val_print (type, valaddr, 0, address, stream, format, deref_ref,
recurse, pretty));
}
/* Implements the la_val_print routine for language D. */
void
d_val_print (struct type *type, const gdb_byte *valaddr, int embedded_offset,
CORE_ADDR address, struct ui_file *stream, int recurse,
const struct value *val,
const struct value_print_options *options)
{
int ret;
CHECK_TYPEDEF (type);
switch (TYPE_CODE (type))
{
case TYPE_CODE_STRUCT:
ret = dynamic_array_type (type, valaddr, embedded_offset, address,
stream, recurse, val, options);
if (ret == 0)
break;
default:
c_val_print (type, valaddr, embedded_offset, address, stream,
recurse, val, options);
}
}
void
go_val_print (struct type *type, int embedded_offset,
CORE_ADDR address, struct ui_file *stream, int recurse,
struct value *val,
const struct value_print_options *options)
{
type = check_typedef (type);
switch (TYPE_CODE (type))
{
case TYPE_CODE_STRUCT:
{
enum go_type go_type = go_classify_struct_type (type);
switch (go_type)
{
case GO_TYPE_STRING:
if (! options->raw)
{
print_go_string (type, embedded_offset, address,
stream, recurse, val, options);
return;
}
break;
default:
break;
}
}
/* Fall through. */
default:
c_val_print (type, embedded_offset, address, stream,
recurse, val, options);
break;
}
}
int
java_val_print (struct type *type, const gdb_byte *valaddr,
int embedded_offset, CORE_ADDR address,
struct ui_file *stream, int recurse,
const struct value_print_options *options)
{
struct gdbarch *gdbarch = get_type_arch (type);
unsigned int i = 0; /* Number of characters printed */
struct type *target_type;
CORE_ADDR addr;
CHECK_TYPEDEF (type);
switch (TYPE_CODE (type))
{
case TYPE_CODE_PTR:
if (options->format && options->format != 's')
{
print_scalar_formatted (valaddr, type, options, 0, stream);
break;
}
#if 0
if (options->vtblprint && cp_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.) */
/* Extract an address, assume that it is unsigned. */
print_address_demangle (gdbarch,
extract_unsigned_integer (valaddr, TYPE_LENGTH (type)),
stream, demangle);
break;
}
#endif
addr = unpack_pointer (type, valaddr);
if (addr == 0)
{
fputs_filtered ("null", stream);
return i;
}
target_type = check_typedef (TYPE_TARGET_TYPE (type));
if (TYPE_CODE (target_type) == TYPE_CODE_FUNC)
{
/* Try to print what function it points to. */
print_address_demangle (gdbarch, addr, stream, demangle);
/* Return value is irrelevant except for string pointers. */
return (0);
}
if (options->addressprint && options->format != 's')
{
fputs_filtered ("@", stream);
print_longest (stream, 'x', 0, (ULONGEST) addr);
}
return i;
case TYPE_CODE_CHAR:
case TYPE_CODE_INT:
/* Can't just call c_val_print because that prints bytes as C
chars. */
if (options->format || options->output_format)
{
struct value_print_options opts = *options;
opts.format = (options->format ? options->format
: options->output_format);
print_scalar_formatted (valaddr, type, &opts, 0, stream);
}
else if (TYPE_CODE (type) == TYPE_CODE_CHAR
|| (TYPE_CODE (type) == TYPE_CODE_INT
&& TYPE_LENGTH (type) == 2
&& strcmp (TYPE_NAME (type), "char") == 0))
LA_PRINT_CHAR ((int) unpack_long (type, valaddr), type, stream);
else
val_print_type_code_int (type, valaddr, stream);
break;
case TYPE_CODE_STRUCT:
java_print_value_fields (type, valaddr, address, stream, recurse,
options);
break;
default:
return c_val_print (type, valaddr, embedded_offset, address, stream,
recurse, options);
}
return 0;
}
void
java_val_print (struct type *type, const gdb_byte *valaddr,
int embedded_offset, CORE_ADDR address,
struct ui_file *stream, int recurse,
const struct value *val,
const struct value_print_options *options)
{
struct gdbarch *gdbarch = get_type_arch (type);
struct type *target_type;
CORE_ADDR addr;
CHECK_TYPEDEF (type);
switch (TYPE_CODE (type))
{
case TYPE_CODE_PTR:
if (options->format && options->format != 's')
{
val_print_scalar_formatted (type, valaddr, embedded_offset,
val, options, 0, stream);
break;
}
addr = unpack_pointer (type, valaddr + embedded_offset);
if (addr == 0)
{
fputs_filtered ("null", stream);
return;
}
target_type = check_typedef (TYPE_TARGET_TYPE (type));
if (TYPE_CODE (target_type) == TYPE_CODE_FUNC)
{
/* Try to print what function it points to. */
print_address_demangle (options, gdbarch, addr, stream, demangle);
return;
}
if (options->addressprint && options->format != 's')
{
fputs_filtered ("@", stream);
print_longest (stream, 'x', 0, (ULONGEST) addr);
}
return;
case TYPE_CODE_CHAR:
case TYPE_CODE_INT:
/* Can't just call c_val_print because that prints bytes as C
chars. */
if (options->format || options->output_format)
{
struct value_print_options opts = *options;
opts.format = (options->format ? options->format
: options->output_format);
val_print_scalar_formatted (type, valaddr, embedded_offset,
val, &opts, 0, stream);
}
else if (TYPE_CODE (type) == TYPE_CODE_CHAR
|| (TYPE_CODE (type) == TYPE_CODE_INT
&& TYPE_LENGTH (type) == 2
&& strcmp (TYPE_NAME (type), "char") == 0))
LA_PRINT_CHAR ((int) unpack_long (type, valaddr + embedded_offset),
type, stream);
else
val_print_type_code_int (type, valaddr + embedded_offset, stream);
break;
case TYPE_CODE_STRUCT:
java_print_value_fields (type, valaddr, embedded_offset,
address, stream, recurse, val, options);
break;
default:
c_val_print (type, valaddr, embedded_offset, address, stream,
recurse, val, options);
break;
}
}
int
java_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 */
struct type *target_type;
CORE_ADDR addr;
CHECK_TYPEDEF (type);
switch (TYPE_CODE (type))
{
case TYPE_CODE_PTR:
if (format && format != 's')
{
print_scalar_formatted (valaddr, type, format, 0, stream);
break;
}
#if 0
if (vtblprint && cp_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, TYPE_LENGTH (type)),
stream, demangle);
break;
}
#endif
addr = unpack_pointer (type, valaddr);
if (addr == 0)
{
fputs_filtered ("null", stream);
return i;
}
target_type = check_typedef (TYPE_TARGET_TYPE (type));
if (TYPE_CODE (target_type) == 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);
}
if (addressprint && format != 's')
{
fputs_filtered ("@", stream);
print_longest (stream, 'x', 0, (ULONGEST) addr);
}
return i;
case TYPE_CODE_CHAR:
case TYPE_CODE_INT:
/* Can't just call c_val_print because that prints bytes as C
chars. */
format = format ? format : output_format;
if (format)
print_scalar_formatted (valaddr, type, format, 0, stream);
else if (TYPE_CODE (type) == TYPE_CODE_CHAR
|| (TYPE_CODE (type) == TYPE_CODE_INT
&& TYPE_LENGTH (type) == 2
&& strcmp (TYPE_NAME (type), "char") == 0))
LA_PRINT_CHAR ((int) unpack_long (type, valaddr), stream);
else
val_print_type_code_int (type, valaddr, stream);
break;
case TYPE_CODE_STRUCT:
java_print_value_fields (type, valaddr, address, stream, format,
recurse, pretty);
break;
default:
return c_val_print (type, valaddr, embedded_offset, address, stream,
format, deref_ref, recurse, pretty);
}
return 0;
}
static int
ada_val_print_1 (struct type *type, char *valaddr0, int embedded_offset,
CORE_ADDR address, struct ui_file *stream, int format,
int deref_ref, int recurse, enum val_prettyprint pretty)
{
unsigned int len;
int i;
struct type *elttype;
unsigned int eltlen;
LONGEST val;
char *valaddr = valaddr0 + embedded_offset;
CHECK_TYPEDEF (type);
if (ada_is_array_descriptor_type (type) || ada_is_packed_array_type (type))
{
int retn;
struct value *mark = value_mark ();
struct value *val;
val = value_from_contents_and_address (type, valaddr, address);
val = ada_coerce_to_simple_array_ptr (val);
if (val == NULL)
{
fprintf_filtered (stream, "(null)");
retn = 0;
}
else
retn = ada_val_print_1 (VALUE_TYPE (val), VALUE_CONTENTS (val), 0,
VALUE_ADDRESS (val), stream, format,
deref_ref, recurse, pretty);
value_free_to_mark (mark);
return retn;
}
valaddr = ada_aligned_value_addr (type, valaddr);
embedded_offset -= valaddr - valaddr0 - embedded_offset;
type = printable_val_type (type, valaddr);
switch (TYPE_CODE (type))
{
default:
return c_val_print (type, valaddr0, embedded_offset, address, stream,
format, deref_ref, recurse, pretty);
case TYPE_CODE_PTR:
{
int ret = c_val_print (type, valaddr0, embedded_offset, address,
stream, format, deref_ref, recurse, pretty);
if (ada_is_tag_type (type))
{
struct value *val =
value_from_contents_and_address (type, valaddr, address);
const char *name = ada_tag_name (val);
if (name != NULL)
fprintf_filtered (stream, " (%s)", name);
return 0;
}
return ret;
}
case TYPE_CODE_INT:
case TYPE_CODE_RANGE:
if (ada_is_fixed_point_type (type))
{
LONGEST v = unpack_long (type, valaddr);
int len = TYPE_LENGTH (type);
fprintf_filtered (stream, len < 4 ? "%.11g" : "%.17g",
(double) ada_fixed_to_float (type, v));
return 0;
}
else if (ada_is_vax_floating_type (type))
{
struct value *val =
value_from_contents_and_address (type, valaddr, address);
struct value *func = ada_vax_float_print_function (type);
if (func != 0)
{
static struct type *parray_of_char = NULL;
struct value *printable_val;
if (parray_of_char == NULL)
parray_of_char =
make_pointer_type
(create_array_type
(NULL, builtin_type_char,
create_range_type (NULL, builtin_type_int, 0, 32)), NULL);
printable_val =
value_ind (value_cast (parray_of_char,
call_function_by_hand (func, 1,
&val)));
fprintf_filtered (stream, "%s", VALUE_CONTENTS (printable_val));
return 0;
}
/* No special printing function. Do as best we can. */
}
else if (TYPE_CODE (type) == TYPE_CODE_RANGE)
{
struct type *target_type = TYPE_TARGET_TYPE (type);
if (TYPE_LENGTH (type) != TYPE_LENGTH (target_type))
{
/* Obscure case of range type that has different length from
its base type. Perform a conversion, or we will get a
nonsense value. Actually, we could use the same
code regardless of lengths; I'm just avoiding a cast. */
struct value *v = value_cast (target_type,
value_from_contents_and_address
(type, valaddr, 0));
return ada_val_print_1 (target_type, VALUE_CONTENTS (v), 0, 0,
stream, format, 0, recurse + 1, pretty);
}
else
return ada_val_print_1 (TYPE_TARGET_TYPE (type),
valaddr0, embedded_offset,
address, stream, format, deref_ref,
recurse, pretty);
}
else
{
format = format ? format : output_format;
if (format)
{
print_scalar_formatted (valaddr, type, format, 0, stream);
}
else if (ada_is_system_address_type (type))
{
/* FIXME: We want to print System.Address variables using
the same format as for any access type. But for some
reason GNAT encodes the System.Address type as an int,
so we have to work-around this deficiency by handling
System.Address values as a special case. */
fprintf_filtered (stream, "(");
type_print (type, "", stream, -1);
fprintf_filtered (stream, ") ");
print_address_numeric
(extract_typed_address (valaddr, builtin_type_void_data_ptr),
1, stream);
}
else
{
val_print_type_code_int (type, valaddr, stream);
if (ada_is_character_type (type))
{
fputs_filtered (" ", stream);
ada_printchar ((unsigned char) unpack_long (type, valaddr),
stream);
}
}
return 0;
}
case TYPE_CODE_ENUM:
if (format)
{
print_scalar_formatted (valaddr, type, format, 0, stream);
break;
}
len = TYPE_NFIELDS (type);
val = unpack_long (type, valaddr);
for (i = 0; i < len; i++)
{
QUIT;
if (val == TYPE_FIELD_BITPOS (type, i))
{
break;
}
}
if (i < len)
{
const char *name = ada_enum_name (TYPE_FIELD_NAME (type, i));
if (name[0] == '\'')
fprintf_filtered (stream, "%ld %s", (long) val, name);
else
fputs_filtered (name, stream);
}
else
{
print_longest (stream, 'd', 0, val);
}
break;
case TYPE_CODE_FLT:
if (format)
return c_val_print (type, valaddr0, embedded_offset, address, stream,
format, deref_ref, recurse, pretty);
else
ada_print_floating (valaddr0 + embedded_offset, type, stream);
break;
case TYPE_CODE_UNION:
case TYPE_CODE_STRUCT:
if (ada_is_bogus_array_descriptor (type))
{
fprintf_filtered (stream, "(...?)");
return 0;
}
else
{
print_record (type, valaddr, stream, format, recurse, pretty);
return 0;
}
case TYPE_CODE_ARRAY:
elttype = TYPE_TARGET_TYPE (type);
if (elttype == NULL)
eltlen = 0;
else
eltlen = TYPE_LENGTH (elttype);
/* FIXME: This doesn't deal with non-empty arrays of
0-length items (not a typical case!) */
if (eltlen == 0)
len = 0;
else
len = TYPE_LENGTH (type) / eltlen;
/* For an array of chars, print with string syntax. */
if (ada_is_string_type (type) && (format == 0 || format == 's'))
{
if (prettyprint_arrays)
{
print_spaces_filtered (2 + 2 * recurse, stream);
}
/* If requested, look for the first null char and only print
elements up to it. */
if (stop_print_at_null)
{
int temp_len;
/* Look for a NULL char. */
for (temp_len = 0;
temp_len < len && temp_len < print_max
&& char_at (valaddr, temp_len, eltlen) != 0;
temp_len += 1);
len = temp_len;
}
printstr (stream, valaddr, len, 0, eltlen);
}
else
{
len = 0;
fprintf_filtered (stream, "(");
print_optional_low_bound (stream, type);
if (TYPE_FIELD_BITSIZE (type, 0) > 0)
val_print_packed_array_elements (type, valaddr, 0, stream,
format, recurse, pretty);
else
val_print_array_elements (type, valaddr, address, stream,
format, deref_ref, recurse,
pretty, 0);
fprintf_filtered (stream, ")");
}
gdb_flush (stream);
return len;
case TYPE_CODE_REF:
elttype = check_typedef (TYPE_TARGET_TYPE (type));
/* De-reference the reference */
if (deref_ref)
{
if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF)
{
LONGEST deref_val_int = (LONGEST)
unpack_pointer (lookup_pointer_type (builtin_type_void),
valaddr);
if (deref_val_int != 0)
{
struct value *deref_val =
ada_value_ind (value_from_longest
(lookup_pointer_type (elttype),
deref_val_int));
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 ("(null)", stream);
}
else
fputs_filtered ("???", stream);
}
break;
}
gdb_flush (stream);
return 0;
}
extern "C" void
monda_val_print (struct type* type, struct frame_info* frame,
int embedded_offset, CORE_ADDR address,
struct ui_file* stream, int recurse, struct value* val,
const struct value_print_options* options, int depth,
int max_string_length, int only_print_short_type,
int only_print_short_value)
{
CAMLparam0();
CAMLlocal4(v_type, v_stream, v_value, v_search_path);
CAMLlocal2(v_val, v_frame);
CAMLlocalN(args, 12);
static caml_value* callback = NULL;
int is_synthetic_pointer;
const gdb_byte* valaddr;
/* The try/catch is required so we don't leave local roots incorrectly
registered in the case of an exception.
We also ensure that any GDB function we call from the OCaml code
invoked below (via [caml_callbackN]) never throws any exceptions
across the OCaml -> C boundary. If it were to, then we would fail to
run the second part of the [caml_start_program] code, causing global
variables (e.g. [caml_last_return_address]) to be set incorrectly. */
TRY {
if (callback == NULL) {
callback = caml_named_value("From_gdb_ocaml.print_value");
assert (callback != NULL);
}
valaddr = value_contents_for_printing(val);
v_value =
(valaddr == NULL) ? caml_copy_nativeint(0)
: caml_copy_nativeint(*(intnat*) valaddr);
/* Determine whether the value is actually a construction made up in the
debugger's address space by virtue of interpreting DW_OP_implicit_pointer.
The second part of this conditional is really just a sanity check.
*/
is_synthetic_pointer =
(value_lval_const(val) == lval_computed
&& value_bits_synthetic_pointer(val, 0, sizeof(CORE_ADDR) * 8));
/*
fprintf(stderr, "monda_val_print. SP %d *valaddr=%p v_value=%p value_lval_const=%d lval_funcs=%p lazy=%d\n",
is_synthetic_pointer,
(void*) *(intnat*) valaddr,
(void*) v_value,
(int) (value_lval_const(val)),
value_lval_const(val) == lval_computed ? value_computed_funcs(val) : NULL,
value_lazy(val));
*/
/* CR mshinwell: improve this test */
#if 0
if ((TYPE_NAME(type) == NULL && !is_synthetic_pointer)
|| (is_synthetic_pointer && TYPE_CODE(type) != TYPE_CODE_PTR)) {
/*
fprintf(stderr, "monda_val_print -> c_val_print (1)\n");
fflush(stderr);
*/
c_val_print(type, frame, valaddr, embedded_offset, address, stream,
recurse, val, options, depth);
}
else
#endif
{
v_type = caml_copy_string(TYPE_NAME(type) == NULL ? "" : TYPE_NAME(type));
v_stream = caml_copy_int64((uint64_t) stream);
v_search_path = caml_copy_string(""); /* CR mshinwell: remove */
v_val = caml_copy_nativeint((intnat) val);
v_frame = caml_copy_nativeint((intnat) frame);
/* N.B. [Store_field] must not be used on [args]! */
args[0] = Val_bool(is_synthetic_pointer);
args[1] = v_value;
args[2] = v_val;
args[3] = v_stream;
args[4] = v_type;
args[5] = Val_bool(options->summary);
args[6] = Val_long(depth);
args[7] = Val_long(max_string_length);
args[8] = v_search_path;
args[9] = Val_bool(only_print_short_type);
args[10] = Val_bool(only_print_short_value);
args[11] = v_frame;
/*
fprintf(stderr, "monda_val_print -> OCaml printer. Type '%s'\n", TYPE_NAME(type));
fflush(stderr);
*/
/* CR mshinwell: This should catch any OCaml exceptions. */
if (caml_callbackN(*callback, 12, args) == Val_false) {
/*
fprintf(stderr, "monda_val_print -> c_val_print (2)\n");
fflush(stderr);
*/
c_val_print (type, frame, embedded_offset, address, stream, recurse,
val, options);
}
}
}
CATCH (exn, RETURN_MASK_ALL) {
fprintf(stderr, "monda_val_print: exception: %s\n",
exn.message ? exn.message : "<no message>");
CAMLdrop;
throw_exception(exn);
}
