/* Print values for GDB, the GNU debugger.
- Copyright (C) 1986-2015 Free Software Foundation, Inc.
+ Copyright (C) 1986-2016 Free Software Foundation, Inc.
This file is part of GDB.
#include "ada-lang.h"
#include "gdb_obstack.h"
#include "charset.h"
+#include "typeprint.h"
#include <ctype.h>
/* Maximum number of wchars returned from wchar_iterate. */
static void set_output_radix_1 (int, unsigned);
+static void val_print_type_code_flags (struct type *type,
+ const gdb_byte *valaddr,
+ struct ui_file *stream);
+
void _initialize_valprint (void);
#define PRINT_MAX_DEFAULT 200 /* Start print_max off at this value. */
{
type = check_typedef (type);
+ if (type_not_associated (type))
+ {
+ val_print_not_associated (stream);
+ return 0;
+ }
+
+ if (type_not_allocated (type))
+ {
+ val_print_not_allocated (stream);
+ return 0;
+ }
+
if (TYPE_CODE (type) != TYPE_CODE_UNION
&& TYPE_CODE (type) != TYPE_CODE_STRUCT
&& TYPE_CODE (type) != TYPE_CODE_ARRAY)
}
}
-/* generic_val_print helper for TYPE_CODE_ENUM. */
+/* Helper function for generic_val_print_enum.
+ This is also used to print enums in TYPE_CODE_FLAGS values. */
static void
-generic_val_print_enum (struct type *type, const gdb_byte *valaddr,
- int embedded_offset, struct ui_file *stream,
- const struct value *original_value,
- const struct value_print_options *options)
+generic_val_print_enum_1 (struct type *type, LONGEST val,
+ struct ui_file *stream)
{
unsigned int i;
unsigned int len;
- LONGEST val;
- struct gdbarch *gdbarch = get_type_arch (type);
- int unit_size = gdbarch_addressable_memory_unit_size (gdbarch);
- if (options->format)
- {
- val_print_scalar_formatted (type, valaddr, embedded_offset,
- original_value, options, 0, stream);
- return;
- }
len = TYPE_NFIELDS (type);
- val = unpack_long (type, valaddr + embedded_offset * unit_size);
for (i = 0; i < len; i++)
{
QUIT;
print_longest (stream, 'd', 0, val);
}
+/* generic_val_print helper for TYPE_CODE_ENUM. */
+
+static void
+generic_val_print_enum (struct type *type, const gdb_byte *valaddr,
+ int embedded_offset, struct ui_file *stream,
+ const struct value *original_value,
+ const struct value_print_options *options)
+{
+ LONGEST val;
+ struct gdbarch *gdbarch = get_type_arch (type);
+ int unit_size = gdbarch_addressable_memory_unit_size (gdbarch);
+
+ if (options->format)
+ {
+ val_print_scalar_formatted (type, valaddr, embedded_offset,
+ original_value, options, 0, stream);
+ return;
+ }
+ val = unpack_long (type, valaddr + embedded_offset * unit_size);
+
+ generic_val_print_enum_1 (type, val, stream);
+}
+
/* generic_val_print helper for TYPE_CODE_FLAGS. */
static void
return 0;
}
+ if (type_not_associated (value_type (val)))
+ {
+ val_print_not_associated (stream);
+ return 0;
+ }
+
+ if (type_not_allocated (value_type (val)))
+ {
+ val_print_not_allocated (stream);
+ return 0;
+ }
+
return 1;
}
}
}
-void
+static void
val_print_type_code_flags (struct type *type, const gdb_byte *valaddr,
struct ui_file *stream)
{
ULONGEST val = unpack_long (type, valaddr);
- int bitpos, nfields = TYPE_NFIELDS (type);
+ int field, nfields = TYPE_NFIELDS (type);
+ struct gdbarch *gdbarch = get_type_arch (type);
+ struct type *bool_type = builtin_type (gdbarch)->builtin_bool;
- fputs_filtered ("[ ", stream);
- for (bitpos = 0; bitpos < nfields; bitpos++)
+ fputs_filtered ("[", stream);
+ for (field = 0; field < nfields; field++)
{
- if (TYPE_FIELD_BITPOS (type, bitpos) != -1
- && (val & ((ULONGEST)1 << bitpos)))
+ if (TYPE_FIELD_NAME (type, field)[0] != '\0')
{
- if (TYPE_FIELD_NAME (type, bitpos))
- fprintf_filtered (stream, "%s ", TYPE_FIELD_NAME (type, bitpos));
+ struct type *field_type = TYPE_FIELD_TYPE (type, field);
+
+ if (field_type == bool_type
+ /* We require boolean types here to be one bit wide. This is a
+ problematic place to notify the user of an internal error
+ though. Instead just fall through and print the field as an
+ int. */
+ && TYPE_FIELD_BITSIZE (type, field) == 1)
+ {
+ if (val & ((ULONGEST)1 << TYPE_FIELD_BITPOS (type, field)))
+ fprintf_filtered (stream, " %s",
+ TYPE_FIELD_NAME (type, field));
+ }
else
- fprintf_filtered (stream, "#%d ", bitpos);
+ {
+ unsigned field_len = TYPE_FIELD_BITSIZE (type, field);
+ ULONGEST field_val
+ = val >> (TYPE_FIELD_BITPOS (type, field) - field_len + 1);
+
+ if (field_len < sizeof (ULONGEST) * TARGET_CHAR_BIT)
+ field_val &= ((ULONGEST) 1 << field_len) - 1;
+ fprintf_filtered (stream, " %s=",
+ TYPE_FIELD_NAME (type, field));
+ if (TYPE_CODE (field_type) == TYPE_CODE_ENUM)
+ generic_val_print_enum_1 (field_type, field_val, stream);
+ else
+ print_longest (stream, 'd', 0, field_val);
+ }
}
}
- fputs_filtered ("]", stream);
+ fputs_filtered (" ]", stream);
}
/* Print a scalar of data of type TYPE, pointed to in GDB by VALADDR,
sizeof (gdb_wchar_t), &output, translit_char);
obstack_1grow (&output, '\0');
- fputs_filtered (obstack_base (&output), stream);
+ fputs_filtered ((const char *) obstack_base (&output), stream);
do_cleanups (cleanups);
}
sizeof (gdb_wchar_t), &output, translit_char);
obstack_1grow (&output, '\0');
- fputs_filtered (obstack_base (&output), stream);
+ fputs_filtered ((const char *) obstack_base (&output), stream);
do_cleanups (cleanup);
}
const struct value_print_options *options)
{
int force_ellipsis = 0; /* Force ellipsis to be printed if nonzero. */
- int errcode; /* Errno returned from bad reads. */
+ int err; /* Non-zero if we got a bad read. */
int found_nul; /* Non-zero if we found the nul char. */
unsigned int fetchlimit; /* Maximum number of chars to print. */
int bytes_read;
fetchlimit = (len == -1 ? options->print_max : min (len,
options->print_max));
- errcode = read_string (addr, len, width, fetchlimit, byte_order,
- &buffer, &bytes_read);
+ err = read_string (addr, len, width, fetchlimit, byte_order,
+ &buffer, &bytes_read);
old_chain = make_cleanup (xfree, buffer);
addr += bytes_read;
&& extract_unsigned_integer (peekbuf, width, byte_order) != 0)
force_ellipsis = 1;
}
- else if ((len >= 0 && errcode != 0) || (len > bytes_read / width))
+ else if ((len >= 0 && err != 0) || (len > bytes_read / width))
{
/* Getting an error when we have a requested length, or fetching less
than the number of characters actually requested, always make us
/* If we get an error before fetching anything, don't print a string.
But if we fetch something and then get an error, print the string
and then the error message. */
- if (errcode == 0 || bytes_read > 0)
+ if (err == 0 || bytes_read > 0)
{
LA_PRINT_STRING (stream, elttype, buffer, bytes_read / width,
encoding, force_ellipsis, options);
}
- if (errcode != 0)
+ if (err != 0)
{
char *str;
- str = memory_error_message (errcode, gdbarch, addr);
+ str = memory_error_message (TARGET_XFER_E_IO, gdbarch, addr);
make_cleanup (xfree, str);
fprintf_filtered (stream, "<error: ");
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