/* Support for printing C values for GDB, the GNU debugger.
- Copyright 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
- 1998, 1999, 2000, 2001
+
+ Copyright (C) 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
+ 1998, 1999, 2000, 2001, 2003, 2005, 2006, 2007, 2008, 2009
Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
+#include "gdb_string.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "expression.h"
#include "language.h"
#include "c-lang.h"
#include "cp-abi.h"
+#include "target.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)
+print_function_pointer_address (CORE_ADDR address, struct ui_file *stream,
+ int addressprint)
{
- CORE_ADDR func_addr = CONVERT_FROM_FUNC_PTR_ADDR (address);
+ CORE_ADDR func_addr = gdbarch_convert_from_func_ptr_addr (current_gdbarch,
+ address,
+ ¤t_target);
/* 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 (paddress (address), stream);
fputs_filtered (": ", stream);
}
print_address_demangle (func_addr, stream, demangle);
}
+/* Apply a heuristic to decide whether an array of TYPE or a pointer
+ to TYPE should be printed as a textual string. Return non-zero if
+ it should, or zero if it should be treated as an array of integers
+ or pointer to integers. FORMAT is the current format letter,
+ or 0 if none.
+
+ We guess that "char" is a character. Explicitly signed and
+ unsigned character types are also characters. Integer data from
+ vector types is not. The user can override this by using the /s
+ format letter. */
+
+static int
+textual_element_type (struct type *type, char format)
+{
+ struct type *true_type = check_typedef (type);
+
+ if (format != 0 && format != 's')
+ return 0;
+
+ /* TYPE_CODE_CHAR is always textual. */
+ if (TYPE_CODE (true_type) == TYPE_CODE_CHAR)
+ return 1;
+
+ if (format == 's')
+ {
+ /* Print this as a string if we can manage it. For now, no
+ wide character support. */
+ if (TYPE_CODE (true_type) == TYPE_CODE_INT
+ && TYPE_LENGTH (true_type) == 1)
+ return 1;
+ }
+ else
+ {
+ /* If a one-byte TYPE_CODE_INT is missing the not-a-character
+ flag, then we treat it as text; otherwise, we assume it's
+ being used as data. */
+ if (TYPE_CODE (true_type) == TYPE_CODE_INT
+ && TYPE_LENGTH (true_type) == 1
+ && !TYPE_NOTTEXT (true_type))
+ return 1;
+ }
+
+ return 0;
+}
+
+
/* 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
- target byte order.
+ OPTIONS. The data at VALADDR is in target byte order.
If the data are a string pointer, returns the number of string characters
- printed.
-
- If DEREF_REF is nonzero, then dereference references, otherwise just print
- them like pointers.
-
- The PRETTY parameter controls prettyprinting. */
+ printed. */
int
-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)
+c_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)
{
- register unsigned int i = 0; /* Number of characters printed */
+ unsigned int i = 0; /* Number of characters printed */
unsigned len;
struct type *elttype;
unsigned eltlen;
{
eltlen = TYPE_LENGTH (elttype);
len = TYPE_LENGTH (type) / eltlen;
- if (prettyprint_arrays)
+ if (options->prettyprint_arrays)
{
print_spaces_filtered (2 + 2 * recurse, stream);
}
- /* For an array of chars, print with string syntax. */
- if (eltlen == 1 &&
- ((TYPE_CODE (elttype) == TYPE_CODE_INT)
- || ((current_language->la_language == language_m2)
- && (TYPE_CODE (elttype) == TYPE_CODE_CHAR)))
- && (format == 0 || format == 's'))
+
+ /* Print arrays of textual chars with a string syntax. */
+ if (textual_element_type (elttype, options->format))
{
/* If requested, look for the first null char and only print
elements up to it. */
- if (stop_print_at_null)
+ if (options->stop_print_at_null)
{
unsigned int temp_len;
/* Look for a NULL char. */
for (temp_len = 0;
(valaddr + embedded_offset)[temp_len]
- && temp_len < len && temp_len < print_max;
+ && temp_len < len && temp_len < options->print_max;
temp_len++);
len = temp_len;
}
- LA_PRINT_STRING (stream, valaddr + embedded_offset, len, eltlen, 0);
+ LA_PRINT_STRING (stream, valaddr + embedded_offset, len, eltlen, 0, options);
i = len;
}
else
if (cp_is_vtbl_ptr_type (elttype))
{
i = 1;
- fprintf_filtered (stream, "%d vtable entries", len - 1);
+ fprintf_filtered (stream, _("%d vtable entries"), len - 1);
}
else
{
i = 0;
}
val_print_array_elements (type, valaddr + embedded_offset, address, stream,
- format, deref_ref, recurse, pretty, i);
+ recurse, options, i);
fprintf_filtered (stream, "}");
}
break;
addr = address;
goto print_unpacked_pointer;
+ case TYPE_CODE_MEMBERPTR:
+ if (options->format)
+ {
+ print_scalar_formatted (valaddr + embedded_offset, type,
+ options, 0, stream);
+ break;
+ }
+ cp_print_class_member (valaddr + embedded_offset, type, stream, "&");
+ break;
+
+ case TYPE_CODE_METHODPTR:
+ cplus_print_method_ptr (valaddr + embedded_offset, type, stream);
+ break;
+
case TYPE_CODE_PTR:
- if (format && format != 's')
+ if (options->format && options->format != 's')
{
- print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
+ print_scalar_formatted (valaddr + embedded_offset, type,
+ options, 0, stream);
break;
}
- if (vtblprint && cp_is_vtbl_ptr_type (type))
+ 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.) */
CORE_ADDR addr
= extract_typed_address (valaddr + embedded_offset, type);
- print_function_pointer_address (addr, stream);
+ print_function_pointer_address (addr, stream, options->addressprint);
break;
}
elttype = check_typedef (TYPE_TARGET_TYPE (type));
- if (TYPE_CODE (elttype) == TYPE_CODE_METHOD)
- {
- cp_print_class_method (valaddr + embedded_offset, type, stream);
- }
- else if (TYPE_CODE (elttype) == TYPE_CODE_MEMBER)
- {
- cp_print_class_member (valaddr + embedded_offset,
- TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type)),
- stream, "&");
- }
- else
{
addr = unpack_pointer (type, valaddr + embedded_offset);
print_unpacked_pointer:
if (TYPE_CODE (elttype) == TYPE_CODE_FUNC)
{
/* Try to print what function it points to. */
- print_function_pointer_address (addr, stream);
+ print_function_pointer_address (addr, stream,
+ options->addressprint);
/* Return value is irrelevant except for string pointers. */
return (0);
}
- if (addressprint && format != 's')
- {
- print_address_numeric (addr, 1, stream);
- }
+ if (options->addressprint)
+ fputs_filtered (paddress (addr), stream);
- /* For a pointer to char or unsigned char, also print the string
+ /* For a pointer to a textual type, also print the string
pointed to, unless pointer is null. */
/* FIXME: need to handle wchar_t here... */
- if (TYPE_LENGTH (elttype) == 1
- && TYPE_CODE (elttype) == TYPE_CODE_INT
- && (format == 0 || format == 's')
+ if (textual_element_type (elttype, options->format)
&& addr != 0)
{
- i = val_print_string (addr, -1, TYPE_LENGTH (elttype), stream);
+ i = val_print_string (addr, -1, TYPE_LENGTH (elttype), stream,
+ options);
}
else if (cp_is_vtbl_member (type))
{
(vt_address == SYMBOL_VALUE_ADDRESS (msymbol)))
{
fputs_filtered (" <", stream);
- fputs_filtered (SYMBOL_SOURCE_NAME (msymbol), stream);
+ fputs_filtered (SYMBOL_PRINT_NAME (msymbol), stream);
fputs_filtered (">", stream);
}
- if (vt_address && vtblprint)
+ if (vt_address && options->vtblprint)
{
struct value *vt_val;
struct symbol *wsym = (struct symbol *) NULL;
struct type *wtype;
- struct symtab *s;
struct block *block = (struct block *) NULL;
int is_this_fld;
if (msymbol != NULL)
- wsym = lookup_symbol (SYMBOL_NAME (msymbol), block,
- VAR_NAMESPACE, &is_this_fld, &s);
+ wsym = lookup_symbol (SYMBOL_LINKAGE_NAME (msymbol), block,
+ VAR_DOMAIN, &is_this_fld);
if (wsym)
{
{
wtype = TYPE_TARGET_TYPE (type);
}
- vt_val = value_at (wtype, vt_address, NULL);
- val_print (VALUE_TYPE (vt_val), VALUE_CONTENTS (vt_val), 0,
- VALUE_ADDRESS (vt_val), stream, format,
- deref_ref, recurse + 1, pretty);
- if (pretty)
+ vt_val = value_at (wtype, vt_address);
+ common_val_print (vt_val, stream, recurse + 1, options,
+ current_language);
+ if (options->pretty)
{
fprintf_filtered (stream, "\n");
print_spaces_filtered (2 + 2 * recurse, stream);
}
break;
- case TYPE_CODE_MEMBER:
- error ("not implemented: member type in c_val_print");
- break;
-
case TYPE_CODE_REF:
elttype = check_typedef (TYPE_TARGET_TYPE (type));
- if (TYPE_CODE (elttype) == TYPE_CODE_MEMBER)
- {
- cp_print_class_member (valaddr + embedded_offset,
- TYPE_DOMAIN_TYPE (elttype),
- stream, "");
- break;
- }
- if (addressprint)
+ if (options->addressprint)
{
CORE_ADDR addr
= extract_typed_address (valaddr + embedded_offset, type);
fprintf_filtered (stream, "@");
- print_address_numeric (addr, 1, stream);
- if (deref_ref)
+ fputs_filtered (paddress (addr), stream);
+ if (options->deref_ref)
fputs_filtered (": ", stream);
}
/* De-reference the reference. */
- if (deref_ref)
+ if (options->deref_ref)
{
if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF)
{
struct value *deref_val =
value_at
(TYPE_TARGET_TYPE (type),
- unpack_pointer (lookup_pointer_type (builtin_type_void),
- valaddr + embedded_offset),
- NULL);
- val_print (VALUE_TYPE (deref_val),
- VALUE_CONTENTS (deref_val),
- 0,
- VALUE_ADDRESS (deref_val),
- stream,
- format,
- deref_ref,
- recurse,
- pretty);
+ unpack_pointer (type, valaddr + embedded_offset));
+ common_val_print (deref_val, stream, recurse, options,
+ current_language);
}
else
fputs_filtered ("???", stream);
break;
case TYPE_CODE_UNION:
- if (recurse && !unionprint)
+ if (recurse && !options->unionprint)
{
fprintf_filtered (stream, "{...}");
break;
/* Fall through. */
case TYPE_CODE_STRUCT:
/*FIXME: Abstract this away */
- if (vtblprint && cp_is_vtbl_ptr_type (type))
+ if (options->vtblprint && cp_is_vtbl_ptr_type (type))
{
/* Print the unmangled name if desired. */
/* Print vtable entry - we only get here if NOT using
CORE_ADDR addr
= extract_typed_address (valaddr + offset, field_type);
- print_function_pointer_address (addr, stream);
+ print_function_pointer_address (addr, stream, options->addressprint);
}
else
- cp_print_value_fields (type, type, valaddr, embedded_offset, address, stream, format,
- recurse, pretty, NULL, 0);
+ cp_print_value_fields (type, type, valaddr, embedded_offset, address, stream,
+ recurse, options, NULL, 0);
break;
case TYPE_CODE_ENUM:
- if (format)
+ if (options->format)
{
- print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
+ print_scalar_formatted (valaddr + embedded_offset, type,
+ options, 0, stream);
break;
}
len = TYPE_NFIELDS (type);
}
break;
+ case TYPE_CODE_FLAGS:
+ if (options->format)
+ print_scalar_formatted (valaddr + embedded_offset, type,
+ options, 0, stream);
+ else
+ val_print_type_code_flags (type, valaddr + embedded_offset, stream);
+ break;
+
case TYPE_CODE_FUNC:
- if (format)
+ case TYPE_CODE_METHOD:
+ if (options->format)
{
- print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
+ print_scalar_formatted (valaddr + embedded_offset, type,
+ options, 0, stream);
break;
}
/* FIXME, we should consider, at least for ANSI C language, eliminating
break;
case TYPE_CODE_BOOL:
- format = format ? format : output_format;
- if (format)
- print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
+ 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 + embedded_offset, type,
+ &opts, 0, stream);
+ }
else
{
val = unpack_long (type, valaddr + embedded_offset);
/* FALLTHROUGH */
case TYPE_CODE_INT:
- format = format ? format : output_format;
- if (format)
+ if (options->format || options->output_format)
{
- print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
+ struct value_print_options opts = *options;
+ opts.format = (options->format ? options->format
+ : options->output_format);
+ print_scalar_formatted (valaddr + embedded_offset, type,
+ &opts, 0, stream);
}
else
{
/* 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
- equivalent as well. */
- if (TYPE_LENGTH (type) == 1)
+ equivalent as well. */
+ if (textual_element_type (type, options->format))
{
fputs_filtered (" ", stream);
LA_PRINT_CHAR ((unsigned char) unpack_long (type, valaddr + embedded_offset),
break;
case TYPE_CODE_CHAR:
- format = format ? format : output_format;
- if (format)
+ if (options->format || options->output_format)
{
- print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
+ struct value_print_options opts = *options;
+ opts.format = (options->format ? options->format
+ : options->output_format);
+ print_scalar_formatted (valaddr + embedded_offset, type,
+ &opts, 0, stream);
}
else
{
break;
case TYPE_CODE_FLT:
- if (format)
+ if (options->format)
{
- print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
+ print_scalar_formatted (valaddr + embedded_offset, type,
+ options, 0, stream);
}
else
{
}
break;
- case TYPE_CODE_METHOD:
- cp_print_class_method (valaddr + embedded_offset, lookup_pointer_type (type), stream);
+ case TYPE_CODE_DECFLOAT:
+ if (options->format)
+ print_scalar_formatted (valaddr + embedded_offset, type,
+ options, 0, stream);
+ else
+ print_decimal_floating (valaddr + embedded_offset, type, stream);
break;
case TYPE_CODE_VOID:
break;
case TYPE_CODE_ERROR:
- fprintf_filtered (stream, "<error type>");
+ fprintf_filtered (stream, _("<error type>"));
break;
case TYPE_CODE_UNDEF:
/* This happens (without TYPE_FLAG_STUB set) on systems which don't use
dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar"
and no complete type for struct foo in that file. */
- fprintf_filtered (stream, "<incomplete type>");
+ fprintf_filtered (stream, _("<incomplete type>"));
+ break;
+
+ case TYPE_CODE_COMPLEX:
+ if (options->format)
+ print_scalar_formatted (valaddr + embedded_offset,
+ TYPE_TARGET_TYPE (type),
+ options, 0, stream);
+ else
+ print_floating (valaddr + embedded_offset, TYPE_TARGET_TYPE (type),
+ stream);
+ fprintf_filtered (stream, " + ");
+ if (options->format)
+ print_scalar_formatted (valaddr + embedded_offset
+ + TYPE_LENGTH (TYPE_TARGET_TYPE (type)),
+ TYPE_TARGET_TYPE (type),
+ options, 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));
+ error (_("Invalid C/C++ type code %d in symbol table."), TYPE_CODE (type));
}
gdb_flush (stream);
return (0);
}
\f
int
-c_value_print (struct value *val, struct ui_file *stream, int format,
- enum val_prettyprint pretty)
+c_value_print (struct value *val, struct ui_file *stream,
+ const struct value_print_options *options)
{
- struct type *type = VALUE_TYPE (val);
- struct type *real_type;
+ struct type *type, *real_type;
int full, top, using_enc;
+ struct value_print_options opts = *options;
+
+ opts.deref_ref = 1;
/* If it is a pointer, indicate what it points to.
C++: if it is a member pointer, we will take care
of that when we print it. */
- if (TYPE_CODE (type) == TYPE_CODE_PTR ||
- TYPE_CODE (type) == TYPE_CODE_REF)
+
+ type = check_typedef (value_type (val));
+
+ if (TYPE_CODE (type) == TYPE_CODE_PTR
+ || TYPE_CODE (type) == TYPE_CODE_REF)
{
/* Hack: remove (char *) for char strings. Their
- type is indicated by the quoted string anyway. */
- 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"))
+ type is indicated by the quoted string anyway.
+ (Don't use textual_element_type here; quoted strings
+ are always exactly (char *). */
+ if (TYPE_CODE (type) == TYPE_CODE_PTR
+ && TYPE_NAME (type) == NULL
+ && TYPE_NAME (TYPE_TARGET_TYPE (type)) != NULL
+ && strcmp (TYPE_NAME (TYPE_TARGET_TYPE (type)), "char") == 0)
{
/* Print nothing */
}
- else if (objectprint && (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_CLASS))
+ else if (options->objectprint
+ && (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_CLASS))
{
if (TYPE_CODE(type) == TYPE_CODE_REF)
*/
struct value *temparg;
temparg=value_copy(val);
- VALUE_TYPE (temparg) = lookup_pointer_type(TYPE_TARGET_TYPE(type));
+ deprecated_set_value_type (temparg, lookup_pointer_type (TYPE_TARGET_TYPE(type)));
val=temparg;
}
/* Pointer to class, check real type of object */
type = lookup_reference_type (real_type);
}
/* JYG: Need to adjust pointer value. */
- val->aligner.contents[0] -= top;
+ /* NOTE: cagney/2005-01-02: THIS IS BOGUS. */
+ value_contents_writeable (val)[0] -= top;
/* Note: When we look up RTTI entries, we don't get any
information on const or volatile attributes */
{
/* normal case */
fprintf_filtered (stream, "(");
- type_print (type, "", stream, -1);
+ type_print (value_type (val), "", stream, -1);
fprintf_filtered (stream, ") ");
}
}
- if (objectprint && (TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_CLASS))
+
+ if (!value_initialized (val))
+ fprintf_filtered (stream, " [uninitialized] ");
+
+ if (options->objectprint && (TYPE_CODE (type) == TYPE_CODE_CLASS))
{
/* Attempt to determine real type of object */
real_type = value_rtti_type (val, &full, &top, &using_enc);
val = value_full_object (val, real_type, full, top, using_enc);
fprintf_filtered (stream, "(%s%s) ",
TYPE_NAME (real_type),
- full ? "" : " [incomplete object]");
+ 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);
+ return val_print (value_enclosing_type (val),
+ value_contents_all (val), 0,
+ VALUE_ADDRESS (val), stream, 0,
+ &opts, current_language);
/* 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))
+ else if (type != check_typedef (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);
+ TYPE_NAME (value_enclosing_type (val)));
+ return val_print (value_enclosing_type (val),
+ value_contents_all (val), 0,
+ VALUE_ADDRESS (val), stream, 0,
+ &opts, current_language);
}
/* 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);
+ return val_print (type, value_contents_all (val),
+ value_embedded_offset (val),
+ VALUE_ADDRESS (val) + value_offset (val),
+ stream, 0, &opts, current_language);
}
projects / deliverable / binutils-gdb.git / blobdiff