/* Support for printing C values for GDB, the GNU debugger.
- Copyright (C) 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
- 1998, 1999, 2000, 2001, 2003, 2005, 2006, 2007, 2008, 2009, 2010, 2011
- Free Software Foundation, Inc.
+ Copyright (C) 1986, 1988-1989, 1991-2001, 2003, 2005-2012 Free
+ Software Foundation, Inc.
This file is part of GDB.
#include "target.h"
\f
-/* Print function pointer with inferior address ADDRESS onto stdio
- stream STREAM. */
-
-static void
-print_function_pointer_address (struct gdbarch *gdbarch,
- CORE_ADDR address,
- struct ui_file *stream,
- int addressprint)
-{
- CORE_ADDR func_addr
- = gdbarch_convert_from_func_ptr_addr (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);
- fputs_filtered (paddress (gdbarch, address), stream);
- fputs_filtered (": ", stream);
- }
- print_address_demangle (gdbarch, func_addr, stream, demangle);
-}
-
-
/* A helper for c_textual_element_type. This checks the name of the
typedef. This is bogus but it isn't apparent that the compiler
provides us the help we may need. */
return 0;
}
+/* Decorations for C. */
+
+static const struct generic_val_print_decorations c_decorations =
+{
+ "",
+ " + ",
+ " * I",
+ "true",
+ "false",
+ "void"
+};
+
/* See val_print for a description of the various parameters of this
- function; they are identical. The semantics of the return value is
- also identical to val_print. */
+ function; they are identical. */
-int
+void
c_val_print (struct type *type, const gdb_byte *valaddr,
int embedded_offset, CORE_ADDR address,
struct ui_file *stream, int recurse,
}
/* Array of unspecified length: treat like pointer to first
elt. */
- addr = address;
+ addr = address + embedded_offset;
goto print_unpacked_pointer;
- case TYPE_CODE_MEMBERPTR:
- if (options->format)
- {
- val_print_scalar_formatted (type, valaddr, embedded_offset,
- original_value, 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;
/* Try to print what function it points to. */
print_function_pointer_address (gdbarch, addr, stream,
options->addressprint);
- /* Return value is irrelevant except for string
- pointers. */
- return (0);
+ return;
}
if (options->addressprint)
}
}
}
-
- /* Return number of characters printed, including the
- terminating '\0' if we reached the end. val_print_string
- takes care including the terminating '\0' if
- necessary. */
- return i;
- }
- break;
-
- case TYPE_CODE_REF:
- elttype = check_typedef (TYPE_TARGET_TYPE (type));
- if (options->addressprint)
- {
- CORE_ADDR addr
- = extract_typed_address (valaddr + embedded_offset, type);
-
- fprintf_filtered (stream, "@");
- fputs_filtered (paddress (gdbarch, addr), stream);
- if (options->deref_ref)
- fputs_filtered (": ", stream);
- }
- /* De-reference the reference. */
- if (options->deref_ref)
- {
- if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF)
- {
- struct value *deref_val =
- value_at
- (TYPE_TARGET_TYPE (type),
- unpack_pointer (type, valaddr + embedded_offset));
-
- common_val_print (deref_val, stream, recurse, options,
- current_language);
- }
- else
- fputs_filtered ("???", stream);
+ return;
}
break;
NULL, 0);
break;
- case TYPE_CODE_ENUM:
- if (options->format)
- {
- val_print_scalar_formatted (type, valaddr, embedded_offset,
- original_value, options, 0, stream);
- break;
- }
- len = TYPE_NFIELDS (type);
- val = unpack_long (type, valaddr + embedded_offset);
- for (i = 0; i < len; i++)
- {
- QUIT;
- if (val == TYPE_FIELD_BITPOS (type, i))
- {
- break;
- }
- }
- if (i < len)
- {
- fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
- }
- else
- {
- print_longest (stream, 'd', 0, val);
- }
- break;
-
- case TYPE_CODE_FLAGS:
- if (options->format)
- val_print_scalar_formatted (type, valaddr, embedded_offset,
- original_value, options, 0, stream);
- else
- val_print_type_code_flags (type, valaddr + embedded_offset,
- stream);
- break;
-
- case TYPE_CODE_FUNC:
- case TYPE_CODE_METHOD:
- if (options->format)
- {
- val_print_scalar_formatted (type, valaddr, embedded_offset,
- original_value, options, 0, stream);
- break;
- }
- /* FIXME, we should consider, at least for ANSI C language,
- eliminating the distinction made between FUNCs and POINTERs
- to FUNCs. */
- fprintf_filtered (stream, "{");
- type_print (type, "", stream, -1);
- fprintf_filtered (stream, "} ");
- /* Try to print what function it points to, and its address. */
- print_address_demangle (gdbarch, address, stream, demangle);
- break;
-
- case TYPE_CODE_BOOL:
- 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,
- original_value, &opts, 0, stream);
- }
- else
- {
- val = unpack_long (type, valaddr + embedded_offset);
- if (val == 0)
- fputs_filtered ("false", stream);
- else if (val == 1)
- fputs_filtered ("true", stream);
- else
- print_longest (stream, 'd', 0, val);
- }
- break;
-
- case TYPE_CODE_RANGE:
- /* FIXME: create_range_type does not set the unsigned bit in a
- range type (I think it probably should copy it from the
- target type), so we won't print values which are too large to
- fit in a signed integer correctly. */
- /* FIXME: Doesn't handle ranges of enums correctly. (Can't just
- print with the target type, though, because the size of our
- type and the target type might differ). */
- /* FALLTHROUGH */
-
case TYPE_CODE_INT:
if (options->format || options->output_format)
{
}
break;
- case TYPE_CODE_CHAR:
- 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,
- original_value, &opts, 0, stream);
- }
- else
+ case TYPE_CODE_MEMBERPTR:
+ if (!options->format)
{
- val = unpack_long (type, valaddr + embedded_offset);
- if (TYPE_UNSIGNED (type))
- fprintf_filtered (stream, "%u", (unsigned int) val);
- else
- fprintf_filtered (stream, "%d", (int) val);
- fputs_filtered (" ", stream);
- LA_PRINT_CHAR (val, unresolved_type, stream);
+ cp_print_class_member (valaddr + embedded_offset, type, stream, "&");
+ break;
}
- break;
+ /* FALLTHROUGH */
+ case TYPE_CODE_REF:
+ case TYPE_CODE_ENUM:
+ case TYPE_CODE_FLAGS:
+ case TYPE_CODE_FUNC:
+ case TYPE_CODE_METHOD:
+ case TYPE_CODE_BOOL:
+ case TYPE_CODE_RANGE:
case TYPE_CODE_FLT:
- if (options->format)
- {
- val_print_scalar_formatted (type, valaddr, embedded_offset,
- original_value, options, 0, stream);
- }
- else
- {
- print_floating (valaddr + embedded_offset, type, stream);
- }
- break;
-
case TYPE_CODE_DECFLOAT:
- if (options->format)
- val_print_scalar_formatted (type, valaddr, embedded_offset,
- original_value, options, 0, stream);
- else
- print_decimal_floating (valaddr + embedded_offset,
- type, stream);
- break;
-
case TYPE_CODE_VOID:
- fprintf_filtered (stream, "void");
- break;
-
case TYPE_CODE_ERROR:
- fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (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>"));
- break;
-
case TYPE_CODE_COMPLEX:
- if (options->format)
- val_print_scalar_formatted (TYPE_TARGET_TYPE (type),
- valaddr, embedded_offset,
- original_value, options, 0, stream);
- else
- print_floating (valaddr + embedded_offset,
- TYPE_TARGET_TYPE (type),
- stream);
- fprintf_filtered (stream, " + ");
- if (options->format)
- val_print_scalar_formatted (TYPE_TARGET_TYPE (type),
- valaddr,
- embedded_offset
- + TYPE_LENGTH (TYPE_TARGET_TYPE (type)),
- original_value,
- 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;
-
+ case TYPE_CODE_CHAR:
default:
- error (_("Invalid C/C++ type code %d in symbol table."),
- TYPE_CODE (type));
+ generic_val_print (type, valaddr, embedded_offset, address,
+ stream, recurse, original_value, options,
+ &c_decorations);
+ break;
}
gdb_flush (stream);
- return (0);
}
\f
-int
+void
c_value_print (struct value *val, struct ui_file *stream,
const struct value_print_options *options)
{
}
/* Pointer to class, check real type of object. */
fprintf_filtered (stream, "(");
- real_type = value_rtti_target_type (val, &full,
- &top, &using_enc);
- if (real_type)
- {
- /* RTTI entry found. */
- if (TYPE_CODE (type) == TYPE_CODE_PTR)
- {
- /* Create a pointer type pointing to the real
- type. */
- type = lookup_pointer_type (real_type);
- }
- else
- {
- /* Create a reference type referencing the real
- type. */
- type = lookup_reference_type (real_type);
- }
- /* JYG: Need to adjust pointer value. */
- val = value_from_pointer (type, value_as_address (val) - top);
-
- /* Note: When we look up RTTI entries, we don't get any
- information on const or volatile attributes. */
- }
+
+ if (value_entirely_available (val))
+ {
+ real_type = value_rtti_indirect_type (val, &full, &top,
+ &using_enc);
+ if (real_type)
+ {
+ /* RTTI entry found. */
+ type = real_type;
+
+ /* Need to adjust pointer value. */
+ val = value_from_pointer (type, value_as_address (val) - top);
+
+ /* Note: When we look up RTTI entries, we don't get
+ any information on const or volatile
+ attributes. */
+ }
+ }
type_print (type, "", stream, -1);
fprintf_filtered (stream, ") ");
val_type = 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_for_printing (val), 0,
- value_address (val), stream, 0,
- val, &opts, current_language);
+ val_print (value_enclosing_type (val),
+ value_contents_for_printing (val), 0,
+ value_address (val), stream, 0,
+ val, &opts, current_language);
+ return;
/* Note: When we look up RTTI entries, we don't get any
information on const or volatile attributes. */
}
/* 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_for_printing (val), 0,
- value_address (val), stream, 0,
- val, &opts, current_language);
+ val_print (value_enclosing_type (val),
+ value_contents_for_printing (val), 0,
+ value_address (val), stream, 0,
+ val, &opts, current_language);
+ return;
}
/* Otherwise, we end up at the return outside this "if". */
}
- return val_print (val_type, value_contents_for_printing (val),
- value_embedded_offset (val),
- value_address (val),
- stream, 0,
- val, &opts, current_language);
+ val_print (val_type, value_contents_for_printing (val),
+ value_embedded_offset (val),
+ value_address (val),
+ stream, 0,
+ val, &opts, current_language);
}
projects / external / binutils.git / blobdiff