summaryrefslogtreecommitdiff
path: root/gdb/c-valprint.c
diff options
context:
space:
mode:
authorDavid Taylor <taylor@redhat.com>1998-12-28 23:06:13 +0000
committerDavid Taylor <taylor@redhat.com>1998-12-28 23:06:13 +0000
commit4ef1f4677390c085543fe80eec41b0fe5d58ddca (patch)
treed0e8320e4871a81733155e8ce653507dd3d64825 /gdb/c-valprint.c
parentd6fdf61c78fbce1dad62cd1022e606fdaaad4202 (diff)
downloadbinutils-gdb-4ef1f4677390c085543fe80eec41b0fe5d58ddca.tar.gz
hp merge changes -- too numerous to mention here; see ChangeLog and
ChangeLog-gdbtk for details.
Diffstat (limited to 'gdb/c-valprint.c')
-rw-r--r--gdb/c-valprint.c135
1 files changed, 99 insertions, 36 deletions
diff --git a/gdb/c-valprint.c b/gdb/c-valprint.c
index 583b78ac4b7..a95f44d9f58 100644
--- a/gdb/c-valprint.c
+++ b/gdb/c-valprint.c
@@ -43,10 +43,11 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
The PRETTY parameter controls prettyprinting. */
int
-c_val_print (type, valaddr, address, stream, format, deref_ref, recurse,
+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;
@@ -65,9 +66,9 @@ c_val_print (type, valaddr, address, stream, format, deref_ref, recurse,
switch (TYPE_CODE (type))
{
case TYPE_CODE_ARRAY:
+ elttype = check_typedef (TYPE_TARGET_TYPE (type));
if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0)
{
- elttype = check_typedef (TYPE_TARGET_TYPE (type));
eltlen = TYPE_LENGTH (elttype);
len = TYPE_LENGTH (type) / eltlen;
if (prettyprint_arrays)
@@ -89,13 +90,13 @@ c_val_print (type, valaddr, address, stream, format, deref_ref, recurse,
/* Look for a NULL char. */
for (temp_len = 0;
- valaddr[temp_len]
+ (valaddr + embedded_offset)[temp_len]
&& temp_len < len && temp_len < print_max;
temp_len++);
len = temp_len;
}
- LA_PRINT_STRING (stream, valaddr, len, eltlen, 0);
+ LA_PRINT_STRING (stream, valaddr + embedded_offset, len, eltlen, 0);
i = len;
}
else
@@ -112,7 +113,7 @@ c_val_print (type, valaddr, address, stream, format, deref_ref, recurse,
{
i = 0;
}
- val_print_array_elements (type, valaddr, address, stream,
+ val_print_array_elements (type, valaddr + embedded_offset, address, stream,
format, deref_ref, recurse, pretty, i);
fprintf_filtered (stream, "}");
}
@@ -125,7 +126,7 @@ c_val_print (type, valaddr, address, stream, format, deref_ref, recurse,
case TYPE_CODE_PTR:
if (format && format != 's')
{
- print_scalar_formatted (valaddr, type, format, 0, stream);
+ print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
break;
}
if (vtblprint && cp_is_vtbl_ptr_type(type))
@@ -133,24 +134,24 @@ c_val_print (type, valaddr, address, stream, format, deref_ref, recurse,
/* 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)),
+ print_address_demangle(extract_address (valaddr + embedded_offset, TYPE_LENGTH (type)),
stream, demangle);
break;
}
elttype = check_typedef (TYPE_TARGET_TYPE (type));
if (TYPE_CODE (elttype) == TYPE_CODE_METHOD)
{
- cp_print_class_method (valaddr, type, stream);
+ cp_print_class_method (valaddr + embedded_offset, type, stream);
}
else if (TYPE_CODE (elttype) == TYPE_CODE_MEMBER)
{
- cp_print_class_member (valaddr,
+ cp_print_class_member (valaddr + embedded_offset,
TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type)),
stream, "&");
}
else
{
- addr = unpack_pointer (type, valaddr);
+ addr = unpack_pointer (type, valaddr + embedded_offset);
print_unpacked_pointer:
elttype = check_typedef (TYPE_TARGET_TYPE (type));
@@ -181,7 +182,7 @@ c_val_print (type, valaddr, address, stream, format, deref_ref, recurse,
else if (cp_is_vtbl_member(type))
{
/* print vtbl's nicely */
- CORE_ADDR vt_address = unpack_pointer (type, valaddr);
+ CORE_ADDR vt_address = unpack_pointer (type, valaddr + embedded_offset);
struct minimal_symbol *msymbol =
lookup_minimal_symbol_by_pc (vt_address);
@@ -214,7 +215,7 @@ c_val_print (type, valaddr, address, stream, format, deref_ref, recurse,
wtype = TYPE_TARGET_TYPE(type);
}
vt_val = value_at (wtype, vt_address, NULL);
- val_print (VALUE_TYPE (vt_val), VALUE_CONTENTS (vt_val),
+ val_print (VALUE_TYPE (vt_val), VALUE_CONTENTS (vt_val), 0,
VALUE_ADDRESS (vt_val), stream, format,
deref_ref, recurse + 1, pretty);
if (pretty)
@@ -240,7 +241,7 @@ c_val_print (type, valaddr, address, stream, format, deref_ref, recurse,
elttype = check_typedef (TYPE_TARGET_TYPE (type));
if (TYPE_CODE (elttype) == TYPE_CODE_MEMBER)
{
- cp_print_class_member (valaddr,
+ cp_print_class_member (valaddr + embedded_offset,
TYPE_DOMAIN_TYPE (elttype),
stream, "");
break;
@@ -249,7 +250,7 @@ c_val_print (type, valaddr, address, stream, format, deref_ref, recurse,
{
fprintf_filtered (stream, "@");
print_address_numeric
- (extract_address (valaddr,
+ (extract_address (valaddr + embedded_offset,
TARGET_PTR_BIT / HOST_CHAR_BIT), 1, stream);
if (deref_ref)
fputs_filtered (": ", stream);
@@ -263,12 +264,17 @@ c_val_print (type, valaddr, address, stream, format, deref_ref, recurse,
value_at
(TYPE_TARGET_TYPE (type),
unpack_pointer (lookup_pointer_type (builtin_type_void),
- valaddr),
+ valaddr + embedded_offset),
NULL);
val_print (VALUE_TYPE (deref_val),
- VALUE_CONTENTS (deref_val),
- VALUE_ADDRESS (deref_val), stream, format,
- deref_ref, recurse + 1, pretty);
+ VALUE_CONTENTS (deref_val),
+ 0,
+ VALUE_ADDRESS (deref_val),
+ stream,
+ format,
+ deref_ref,
+ recurse,
+ pretty);
}
else
fputs_filtered ("???", stream);
@@ -289,23 +295,24 @@ c_val_print (type, valaddr, address, stream, format, deref_ref, recurse,
/* Print vtable entry - we only get here if NOT using
-fvtable_thunks. (Otherwise, look under TYPE_CODE_PTR.) */
print_address_demangle (extract_address (
- valaddr + TYPE_FIELD_BITPOS (type, VTBL_FNADDR_OFFSET) / 8,
+ valaddr + embedded_offset +
+ TYPE_FIELD_BITPOS (type, VTBL_FNADDR_OFFSET) / 8,
TYPE_LENGTH (TYPE_FIELD_TYPE (type, VTBL_FNADDR_OFFSET))),
stream, demangle);
}
else
- cp_print_value_fields (type, valaddr, address, stream, format,
+ cp_print_value_fields (type, type, valaddr, embedded_offset, address, stream, format,
recurse, pretty, NULL, 0);
break;
case TYPE_CODE_ENUM:
if (format)
{
- print_scalar_formatted (valaddr, type, format, 0, stream);
+ print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
break;
}
len = TYPE_NFIELDS (type);
- val = unpack_long (type, valaddr);
+ val = unpack_long (type, valaddr + embedded_offset);
for (i = 0; i < len; i++)
{
QUIT;
@@ -327,7 +334,7 @@ c_val_print (type, valaddr, address, stream, format, deref_ref, recurse,
case TYPE_CODE_FUNC:
if (format)
{
- print_scalar_formatted (valaddr, type, format, 0, stream);
+ print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
break;
}
/* FIXME, we should consider, at least for ANSI C language, eliminating
@@ -342,10 +349,10 @@ c_val_print (type, valaddr, address, stream, format, deref_ref, recurse,
case TYPE_CODE_BOOL:
format = format ? format : output_format;
if (format)
- print_scalar_formatted (valaddr, type, format, 0, stream);
+ print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
else
{
- val = unpack_long (type, valaddr);
+ val = unpack_long (type, valaddr + embedded_offset);
if (val == 0)
fputs_filtered ("false", stream);
else if (val == 1)
@@ -369,11 +376,11 @@ c_val_print (type, valaddr, address, stream, format, deref_ref, recurse,
format = format ? format : output_format;
if (format)
{
- print_scalar_formatted (valaddr, type, format, 0, stream);
+ print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
}
else
{
- val_print_type_code_int (type, valaddr, stream);
+ val_print_type_code_int (type, valaddr + embedded_offset, stream);
/* C and C++ has no single byte int type, char is used instead.
Since we don't know whether the value is really intended to
be used as an integer or a character, print the character
@@ -381,7 +388,7 @@ c_val_print (type, valaddr, address, stream, format, deref_ref, recurse,
if (TYPE_LENGTH (type) == 1)
{
fputs_filtered (" ", stream);
- LA_PRINT_CHAR ((unsigned char) unpack_long (type, valaddr),
+ LA_PRINT_CHAR ((unsigned char) unpack_long (type, valaddr + embedded_offset),
stream);
}
}
@@ -391,28 +398,32 @@ c_val_print (type, valaddr, address, stream, format, deref_ref, recurse,
format = format ? format : output_format;
if (format)
{
- print_scalar_formatted (valaddr, type, format, 0, stream);
+ print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
}
else
{
fprintf_filtered (stream, TYPE_UNSIGNED (type) ? "%u" : "%d",
- unpack_long (type, valaddr));
+ unpack_long (type, valaddr + embedded_offset));
fputs_filtered (" ", stream);
- LA_PRINT_CHAR ((unsigned char) unpack_long (type, valaddr), stream);
+ LA_PRINT_CHAR ((unsigned char) unpack_long (type, valaddr + embedded_offset), stream);
}
break;
case TYPE_CODE_FLT:
if (format)
{
- print_scalar_formatted (valaddr, type, format, 0, stream);
+ print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
}
else
{
- print_floating (valaddr, type, stream);
+ print_floating (valaddr + embedded_offset, type, stream);
}
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;
@@ -443,7 +454,9 @@ c_value_print (val, stream, format, pretty)
enum val_prettyprint pretty;
{
struct type *type = VALUE_TYPE (val);
-
+ struct type * real_type;
+ int full, top, using_enc;
+
/* If it is a pointer, indicate what it points to.
Print type also if it is a reference.
@@ -455,6 +468,9 @@ c_value_print (val, stream, format, pretty)
{
/* Hack: remove (char *) for char strings. Their
type is indicated by the quoted string anyway. */
+ /* Hack^2: ensure that const char *, const unsigned char *
+ come out without the type but the volatile variants
+ and the signed variants don't. */
if (TYPE_CODE (type) == TYPE_CODE_PTR &&
TYPE_NAME (type) == NULL &&
TYPE_NAME (TYPE_TARGET_TYPE (type)) != NULL &&
@@ -462,14 +478,61 @@ c_value_print (val, stream, format, pretty)
{
/* Print nothing */
}
+ else if (objectprint && (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_CLASS))
+ {
+ /* Pointer to class, check real type of object */
+ fprintf_filtered (stream, "(");
+ type = value_rtti_target_type (val, &full, &top, &using_enc);
+ if (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, " ?");
+ }
+ fprintf_filtered (stream, ") ");
+ }
else
{
+ /* normal case */
fprintf_filtered (stream, "(");
type_print (type, "", stream, -1);
fprintf_filtered (stream, ") ");
}
}
- return val_print (type, VALUE_CONTENTS (val),
- VALUE_ADDRESS (val) + VALUE_OFFSET (val),
+ if (objectprint && (TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_CLASS))
+ {
+ /* Attempt to determine real type of object */
+ real_type = value_rtti_type (val, &full, &top, &using_enc);
+ if (real_type)
+ {
+ /* We have RTTI information, so use it */
+ val = value_full_object (val, real_type, full, top, using_enc);
+ fprintf_filtered (stream, "(%s%s) ",
+ TYPE_NAME (real_type),
+ 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);
+ }
+ else if (type != 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);
+ }
+ /* 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),
stream, format, 1, 0, pretty);
}