/* Print values for GDB, the GNU debugger.
- Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
- 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
- 2009, 2010 Free Software Foundation, Inc.
+ Copyright (C) 1986-2013 Free Software Foundation, Inc.
This file is part of GDB.
#include "dfp.h"
#include "python/python.h"
#include "ada-lang.h"
+#include "gdb_obstack.h"
+#include "charset.h"
+#include <ctype.h>
#include <errno.h>
+/* Maximum number of wchars returned from wchar_iterate. */
+#define MAX_WCHARS 4
+
+/* A convenience macro to compute the size of a wchar_t buffer containing X
+ characters. */
+#define WCHAR_BUFLEN(X) ((X) * sizeof (gdb_wchar_t))
+
+/* Character buffer size saved while iterating over wchars. */
+#define WCHAR_BUFLEN_MAX WCHAR_BUFLEN (MAX_WCHARS)
+
+/* A structure to encapsulate state information from iterated
+ character conversions. */
+struct converted_character
+{
+ /* The number of characters converted. */
+ int num_chars;
+
+ /* The result of the conversion. See charset.h for more. */
+ enum wchar_iterate_result result;
+
+ /* The (saved) converted character(s). */
+ gdb_wchar_t chars[WCHAR_BUFLEN_MAX];
+
+ /* The first converted target byte. */
+ const gdb_byte *buf;
+
+ /* The number of bytes converted. */
+ size_t buflen;
+
+ /* How many times this character(s) is repeated. */
+ int repeat_count;
+};
+
+typedef struct converted_character converted_character_d;
+DEF_VEC_O (converted_character_d);
+
+
/* Prototypes for local functions */
static int partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr,
void _initialize_valprint (void);
-#define PRINT_MAX_DEFAULT 200 /* Start print_max off at this value. */
+#define PRINT_MAX_DEFAULT 200 /* Start print_max off at this value. */
struct value_print_options user_print_options =
{
0, /* output_format */
0, /* format */
0, /* stop_print_at_null */
- 0, /* inspect_it */
0, /* print_array_indexes */
0, /* deref_ref */
1, /* static_field_print */
1, /* pascal_static_field_print */
0, /* raw */
- 0 /* summary */
+ 0, /* summary */
+ 1 /* symbol_print */
};
/* Initialize *OPTS to be a copy of the user print options. */
show_print_max (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
- fprintf_filtered (file, _("\
-Limit on string chars or array elements to print is %s.\n"),
+ fprintf_filtered (file,
+ _("Limit on string chars or array "
+ "elements to print is %s.\n"),
value);
}
show_input_radix (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
- fprintf_filtered (file, _("\
-Default input radix for entering numbers is %s.\n"),
+ fprintf_filtered (file,
+ _("Default input radix for entering numbers is %s.\n"),
value);
}
show_output_radix (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
- fprintf_filtered (file, _("\
-Default output radix for printing of values is %s.\n"),
+ fprintf_filtered (file,
+ _("Default output radix for printing of values is %s.\n"),
value);
}
/* Print repeat counts if there are more than this many repetitions of an
element in an array. Referenced by the low level language dependent
- print routines. */
+ print routines. */
static void
show_repeat_count_threshold (struct ui_file *file, int from_tty,
value);
}
-/* If nonzero, stops printing of char arrays at first null. */
+/* If nonzero, stops printing of char arrays at first null. */
static void
show_stop_print_at_null (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
- fprintf_filtered (file, _("\
-Printing of char arrays to stop at first null char is %s.\n"),
+ fprintf_filtered (file,
+ _("Printing of char arrays to stop "
+ "at first null char is %s.\n"),
value);
}
-/* Controls pretty printing of structures. */
+/* Controls pretty printing of structures. */
static void
show_prettyprint_structs (struct ui_file *file, int from_tty,
}
/* If nonzero, causes unions inside structures or other unions to be
- printed. */
+ printed. */
static void
show_unionprint (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
- fprintf_filtered (file, _("\
-Printing of unions interior to structures is %s.\n"),
+ fprintf_filtered (file,
+ _("Printing of unions interior to structures is %s.\n"),
value);
}
-/* If nonzero, causes machine addresses to be printed in certain contexts. */
+/* If nonzero, causes machine addresses to be printed in certain contexts. */
static void
show_addressprint (struct ui_file *file, int from_tty,
{
fprintf_filtered (file, _("Printing of addresses is %s.\n"), value);
}
+
+static void
+show_symbol_print (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c, const char *value)
+{
+ fprintf_filtered (file,
+ _("Printing of symbols when printing pointers is %s.\n"),
+ value);
+}
+
\f
/* A helper function for val_print. When printing in "summary" mode,
case TYPE_CODE_UNION:
case TYPE_CODE_SET:
case TYPE_CODE_STRING:
- case TYPE_CODE_BITSTRING:
return 0;
default:
return 1;
}
}
-/* Helper function to check the validity of some bits of a value.
-
- If TYPE represents some aggregate type (e.g., a structure), return 1.
-
- Otherwise, any of the bytes starting at OFFSET and extending for
- TYPE_LENGTH(TYPE) bytes are invalid, print a message to STREAM and
- return 0. The checking is done using FUNCS.
-
- Otherwise, return 1. */
+/* See its definition in value.h. */
-static int
+int
valprint_check_validity (struct ui_file *stream,
struct type *type,
- int offset,
+ int embedded_offset,
const struct value *val)
{
CHECK_TYPEDEF (type);
&& TYPE_CODE (type) != TYPE_CODE_STRUCT
&& TYPE_CODE (type) != TYPE_CODE_ARRAY)
{
- if (! value_bits_valid (val, TARGET_CHAR_BIT * offset,
- TARGET_CHAR_BIT * TYPE_LENGTH (type)))
+ if (!value_bits_valid (val, TARGET_CHAR_BIT * embedded_offset,
+ TARGET_CHAR_BIT * TYPE_LENGTH (type)))
+ {
+ val_print_optimized_out (stream);
+ return 0;
+ }
+
+ if (value_bits_synthetic_pointer (val, TARGET_CHAR_BIT * embedded_offset,
+ TARGET_CHAR_BIT * TYPE_LENGTH (type)))
{
- fprintf_filtered (stream, _("<value optimized out>"));
+ fputs_filtered (_("<synthetic pointer>"), stream);
+ return 0;
+ }
+
+ if (!value_bytes_available (val, embedded_offset, TYPE_LENGTH (type)))
+ {
+ val_print_unavailable (stream);
return 0;
}
}
return 1;
}
-/* Print using the given LANGUAGE the data of type TYPE located at VALADDR
- (within GDB), which came from the inferior at address ADDRESS, onto
- stdio stream STREAM according to OPTIONS.
+void
+val_print_optimized_out (struct ui_file *stream)
+{
+ fprintf_filtered (stream, _("<optimized out>"));
+}
- If the data are a string pointer, returns the number of string characters
- printed.
+void
+val_print_unavailable (struct ui_file *stream)
+{
+ fprintf_filtered (stream, _("<unavailable>"));
+}
- FIXME: The data at VALADDR is in target byte order. If gdb is ever
- enhanced to be able to debug more than the single target it was compiled
- for (specific CPU type and thus specific target byte ordering), then
- either the print routines are going to have to take this into account,
- or the data is going to have to be passed into here already converted
- to the host byte ordering, whichever is more convenient. */
+void
+val_print_invalid_address (struct ui_file *stream)
+{
+ fprintf_filtered (stream, _("<invalid address>"));
+}
+/* A generic val_print that is suitable for use by language
+ implementations of the la_val_print method. This function can
+ handle most type codes, though not all, notably exception
+ TYPE_CODE_UNION and TYPE_CODE_STRUCT, which must be implemented by
+ the caller.
+
+ Most arguments are as to val_print.
+
+ The additional DECORATIONS argument can be used to customize the
+ output in some small, language-specific ways. */
-int
+void
+generic_val_print (struct type *type, const gdb_byte *valaddr,
+ int embedded_offset, CORE_ADDR address,
+ struct ui_file *stream, int recurse,
+ const struct value *original_value,
+ const struct value_print_options *options,
+ const struct generic_val_print_decorations *decorations)
+{
+ struct gdbarch *gdbarch = get_type_arch (type);
+ unsigned int i = 0; /* Number of characters printed. */
+ unsigned len;
+ struct type *elttype, *unresolved_elttype;
+ struct type *unresolved_type = type;
+ LONGEST val;
+ CORE_ADDR addr;
+
+ CHECK_TYPEDEF (type);
+ switch (TYPE_CODE (type))
+ {
+ case TYPE_CODE_ARRAY:
+ unresolved_elttype = TYPE_TARGET_TYPE (type);
+ elttype = check_typedef (unresolved_elttype);
+ if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (unresolved_elttype) > 0)
+ {
+ LONGEST low_bound, high_bound;
+
+ if (!get_array_bounds (type, &low_bound, &high_bound))
+ error (_("Could not determine the array high bound"));
+
+ if (options->prettyprint_arrays)
+ {
+ print_spaces_filtered (2 + 2 * recurse, stream);
+ }
+
+ fprintf_filtered (stream, "{");
+ val_print_array_elements (type, valaddr, embedded_offset,
+ address, stream,
+ recurse, original_value, options, 0);
+ fprintf_filtered (stream, "}");
+ break;
+ }
+ /* Array of unspecified length: treat like pointer to first
+ elt. */
+ addr = address + embedded_offset;
+ goto print_unpacked_pointer;
+
+ case TYPE_CODE_MEMBERPTR:
+ val_print_scalar_formatted (type, valaddr, embedded_offset,
+ original_value, options, 0, stream);
+ break;
+
+ case TYPE_CODE_PTR:
+ if (options->format && options->format != 's')
+ {
+ val_print_scalar_formatted (type, valaddr, embedded_offset,
+ original_value, options, 0, stream);
+ break;
+ }
+ unresolved_elttype = TYPE_TARGET_TYPE (type);
+ elttype = check_typedef (unresolved_elttype);
+ {
+ 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 (options, gdbarch, addr, stream);
+ return;
+ }
+
+ if (options->symbol_print)
+ print_address_demangle (options, gdbarch, addr, stream, demangle);
+ else if (options->addressprint)
+ fputs_filtered (paddress (gdbarch, addr), stream);
+ }
+ 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;
+
+ deref_val = coerce_ref_if_computed (original_value);
+ if (deref_val != NULL)
+ {
+ /* More complicated computed references are not supported. */
+ gdb_assert (embedded_offset == 0);
+ }
+ else
+ 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);
+ }
+ 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_ENUMVAL (type, i))
+ {
+ break;
+ }
+ }
+ if (i < len)
+ {
+ fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
+ }
+ else if (TYPE_FLAG_ENUM (type))
+ {
+ int first = 1;
+
+ /* We have a "flag" enum, so we try to decompose it into
+ pieces as appropriate. A flag enum has disjoint
+ constants by definition. */
+ fputs_filtered ("(", stream);
+ for (i = 0; i < len; ++i)
+ {
+ QUIT;
+
+ if ((val & TYPE_FIELD_ENUMVAL (type, i)) != 0)
+ {
+ if (!first)
+ fputs_filtered (" | ", stream);
+ first = 0;
+
+ val &= ~TYPE_FIELD_ENUMVAL (type, i);
+ fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
+ }
+ }
+
+ if (first || val != 0)
+ {
+ if (!first)
+ fputs_filtered (" | ", stream);
+ fputs_filtered ("unknown: ", stream);
+ print_longest (stream, 'd', 0, val);
+ }
+
+ fputs_filtered (")", 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 (options, 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 (decorations->false_name, stream);
+ else if (val == 1)
+ fputs_filtered (decorations->true_name, 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)
+ {
+ 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_print_type_code_int (type, valaddr + embedded_offset, stream);
+ 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
+ {
+ 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);
+ }
+ break;
+
+ 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:
+ fputs_filtered (decorations->void_name, stream);
+ 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:
+ fprintf_filtered (stream, "%s", decorations->complex_prefix);
+ 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, "%s", decorations->complex_infix);
+ 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, "%s", decorations->complex_suffix);
+ break;
+
+ case TYPE_CODE_UNION:
+ case TYPE_CODE_STRUCT:
+ case TYPE_CODE_METHODPTR:
+ default:
+ error (_("Unhandled type code %d in symbol table."),
+ TYPE_CODE (type));
+ }
+ gdb_flush (stream);
+}
+
+/* Print using the given LANGUAGE the data of type TYPE located at
+ VALADDR + EMBEDDED_OFFSET (within GDB), which came from the
+ inferior at address ADDRESS + EMBEDDED_OFFSET, onto stdio stream
+ STREAM according to OPTIONS. VAL is the whole object that came
+ from ADDRESS. VALADDR must point to the head of VAL's contents
+ buffer.
+
+ The language printers will pass down an adjusted EMBEDDED_OFFSET to
+ further helper subroutines as subfields of TYPE are printed. In
+ such cases, VALADDR is passed down unadjusted, as well as VAL, so
+ that VAL can be queried for metadata about the contents data being
+ printed, using EMBEDDED_OFFSET as an offset into VAL's contents
+ buffer. For example: "has this field been optimized out", or "I'm
+ printing an object while inspecting a traceframe; has this
+ particular piece of data been collected?".
+
+ RECURSE indicates the amount of indentation to supply before
+ continuation lines; this amount is roughly twice the value of
+ RECURSE. */
+
+void
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,
{
fprintf_filtered (stream, _("<incomplete type>"));
gdb_flush (stream);
- return (0);
+ return;
}
if (!valprint_check_validity (stream, real_type, embedded_offset, val))
- return 0;
+ return;
if (!options->raw)
{
address, stream, recurse,
val, options, language);
if (ret)
- return ret;
+ return;
}
/* Handle summary mode. If the value is a scalar, print it;
if (options->summary && !scalar_type_p (type))
{
fprintf_filtered (stream, "...");
- return 0;
+ return;
}
TRY_CATCH (except, RETURN_MASK_ERROR)
{
- ret = language->la_val_print (type, valaddr, embedded_offset, address,
- stream, recurse, val,
- &local_opts);
+ language->la_val_print (type, valaddr, embedded_offset, address,
+ stream, recurse, val,
+ &local_opts);
}
if (except.reason < 0)
fprintf_filtered (stream, _("<error reading variable>"));
-
- return ret;
}
/* Check whether the value VAL is printable. Return 1 if it is;
- return 0 and print an appropriate error message to STREAM if it
- is not. */
+ return 0 and print an appropriate error message to STREAM according to
+ OPTIONS if it is not. */
static int
-value_check_printable (struct value *val, struct ui_file *stream)
+value_check_printable (struct value *val, struct ui_file *stream,
+ const struct value_print_options *options)
{
if (val == 0)
{
if (value_entirely_optimized_out (val))
{
- fprintf_filtered (stream, _("<value optimized out>"));
+ if (options->summary && !scalar_type_p (value_type (val)))
+ fprintf_filtered (stream, "...");
+ else
+ val_print_optimized_out (stream);
return 0;
}
/* Print using the given LANGUAGE the value VAL onto stream STREAM according
to OPTIONS.
- If the data are a string pointer, returns the number of string characters
- printed.
-
This is a preferable interface to val_print, above, because it uses
GDB's value mechanism. */
-int
+void
common_val_print (struct value *val, struct ui_file *stream, int recurse,
const struct value_print_options *options,
const struct language_defn *language)
{
- if (!value_check_printable (val, stream))
- return 0;
+ if (!value_check_printable (val, stream, options))
+ return;
if (language->la_language == language_ada)
/* The value might have a dynamic type, which would cause trouble
get a fixed representation of our value. */
val = ada_to_fixed_value (val);
- return val_print (value_type (val), value_contents_for_printing (val),
- value_embedded_offset (val), value_address (val),
- stream, recurse,
- val, options, language);
+ val_print (value_type (val), value_contents_for_printing (val),
+ value_embedded_offset (val), value_address (val),
+ stream, recurse,
+ val, options, language);
}
/* Print on stream STREAM the value VAL according to OPTIONS. The value
- is printed using the current_language syntax.
+ is printed using the current_language syntax. */
- If the object printed is a string pointer, return the number of string
- bytes printed. */
-
-int
+void
value_print (struct value *val, struct ui_file *stream,
const struct value_print_options *options)
{
- if (!value_check_printable (val, stream))
- return 0;
+ if (!value_check_printable (val, stream, options))
+ return;
if (!options->raw)
{
val, options, current_language);
if (r)
- return r;
+ return;
}
- return LA_VALUE_PRINT (val, stream, options);
+ LA_VALUE_PRINT (val, stream, options);
}
/* Called by various <lang>_val_print routines to print
fputs_filtered ("]", stream);
}
+/* Print a scalar of data of type TYPE, pointed to in GDB by VALADDR,
+ according to OPTIONS and SIZE on STREAM. Format i is not supported
+ at this level.
+
+ This is how the elements of an array or structure are printed
+ with a format. */
+
+void
+val_print_scalar_formatted (struct type *type,
+ const gdb_byte *valaddr, int embedded_offset,
+ const struct value *val,
+ const struct value_print_options *options,
+ int size,
+ struct ui_file *stream)
+{
+ gdb_assert (val != NULL);
+ gdb_assert (valaddr == value_contents_for_printing_const (val));
+
+ /* If we get here with a string format, try again without it. Go
+ all the way back to the language printers, which may call us
+ again. */
+ if (options->format == 's')
+ {
+ struct value_print_options opts = *options;
+ opts.format = 0;
+ opts.deref_ref = 0;
+ val_print (type, valaddr, embedded_offset, 0, stream, 0, val, &opts,
+ current_language);
+ return;
+ }
+
+ /* A scalar object that does not have all bits available can't be
+ printed, because all bits contribute to its representation. */
+ if (!value_bits_valid (val, TARGET_CHAR_BIT * embedded_offset,
+ TARGET_CHAR_BIT * TYPE_LENGTH (type)))
+ val_print_optimized_out (stream);
+ else if (!value_bytes_available (val, embedded_offset, TYPE_LENGTH (type)))
+ val_print_unavailable (stream);
+ else
+ print_scalar_formatted (valaddr + embedded_offset, type,
+ options, size, stream);
+}
+
/* Print a number according to FORMAT which is one of d,u,x,o,b,h,w,g.
The raison d'etre of this function is to consolidate printing of
- LONG_LONG's into this one function. The format chars b,h,w,g are
+ LONG_LONG's into this one function. The format chars b,h,w,g are
from print_scalar_formatted(). Numbers are printed using C
- format.
+ format.
USE_C_FORMAT means to use C format in all cases. Without it,
'o' and 'x' format do not include the standard C radix prefix
the integer is a protocol thing, not a user-visible thing). The
parameter remains to preserve the information of what things might
be printed with language-specific format, should we ever resurrect
- that capability. */
+ that capability. */
void
print_longest (struct ui_file *stream, int format, int use_c_format,
case 'o':
val = int_string (val_long, 8, 0, 0, use_c_format); break;
default:
- internal_error (__FILE__, __LINE__, _("failed internal consistency check"));
+ internal_error (__FILE__, __LINE__,
+ _("failed internal consistency check"));
}
fputs_filtered (val, stream);
}
int
longest_to_int (LONGEST arg)
{
- /* Let the compiler do the work */
+ /* Let the compiler do the work. */
int rtnval = (int) arg;
- /* Check for overflows or underflows */
+ /* Check for overflows or underflows. */
if (sizeof (LONGEST) > sizeof (int))
{
if (rtnval != arg)
int b;
/* Declared "int" so it will be signed.
- * This ensures that right shift will shift in zeros.
- */
+ This ensures that right shift will shift in zeros. */
+
const int mask = 0x080;
/* FIXME: We should be not printing leading zeroes in most cases. */
p++)
{
/* Every byte has 8 binary characters; peel off
- * and print from the MSB end.
- */
+ and print from the MSB end. */
+
for (i = 0; i < (BITS_IN_BYTES * sizeof (*p)); i++)
{
if (*p & (mask >> i))
}
/* VALADDR points to an integer of LEN bytes.
- * Print it in octal on stream or format it in buf.
- */
+ Print it in octal on stream or format it in buf. */
+
void
print_octal_chars (struct ui_file *stream, const gdb_byte *valaddr,
unsigned len, enum bfd_endian byte_order)
#define LOW_TWO 0007
/* For 32 we start in cycle 2, with two bits and one bit carry;
- * for 64 in cycle in cycle 1, with one bit and a two bit carry.
- */
+ for 64 in cycle in cycle 1, with one bit and a two bit carry. */
+
cycle = (len * BITS_IN_BYTES) % BITS_IN_OCTAL;
carry = 0;
switch (cycle)
{
case 0:
- /* No carry in, carry out two bits.
- */
+ /* No carry in, carry out two bits. */
+
octa1 = (HIGH_ZERO & *p) >> 5;
octa2 = (LOW_ZERO & *p) >> 2;
carry = (CARRY_ZERO & *p);
break;
case 1:
- /* Carry in two bits, carry out one bit.
- */
+ /* Carry in two bits, carry out one bit. */
+
octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7);
octa2 = (MID_ONE & *p) >> 4;
octa3 = (LOW_ONE & *p) >> 1;
break;
case 2:
- /* Carry in one bit, no carry out.
- */
+ /* Carry in one bit, no carry out. */
+
octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6);
octa2 = (MID_TWO & *p) >> 3;
octa3 = (LOW_TWO & *p);
{
case 0:
/* Carry out, no carry in */
+
octa1 = (HIGH_ZERO & *p) >> 5;
octa2 = (LOW_ZERO & *p) >> 2;
carry = (CARRY_ZERO & *p);
case 1:
/* Carry in, carry out */
+
octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7);
octa2 = (MID_ONE & *p) >> 4;
octa3 = (LOW_ONE & *p) >> 1;
case 2:
/* Carry in, no carry out */
+
octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6);
octa2 = (MID_TWO & *p) >> 3;
octa3 = (LOW_TWO & *p);
}
/* VALADDR points to an integer of LEN bytes.
- * Print it in decimal on stream or format it in buf.
- */
+ Print it in decimal on stream or format it in buf. */
+
void
print_decimal_chars (struct ui_file *stream, const gdb_byte *valaddr,
unsigned len, enum bfd_endian byte_order)
int flip;
/* Base-ten number is less than twice as many digits
- * as the base 16 number, which is 2 digits per byte.
- */
+ as the base 16 number, which is 2 digits per byte. */
+
decimal_len = len * 2 * 2;
digits = xmalloc (decimal_len);
* the nibbles by 16, add Y and re-decimalize. Repeat with Z.
*
* The trick is that "digits" holds a base-10 number, but sometimes
- * the individual digits are > 10.
+ * the individual digits are > 10.
*
* Outer loop is per nibble (hex digit) of input, from MSD end to
* LSD end.
*/
if (flip == 0)
{
- /* Take top nibble.
- */
+ /* Take top nibble. */
+
digits[0] += HIGH_NIBBLE (*p);
flip = 1;
}
else
{
- /* Take low nibble and bump our pointer "p".
- */
+ /* Take low nibble and bump our pointer "p". */
+
digits[0] += LOW_NIBBLE (*p);
if (byte_order == BFD_ENDIAN_BIG)
p++;
}
/* Ok, now "digits" is the decimal representation, with
- * the "decimal_digits" actual digits. Print!
- */
+ the "decimal_digits" actual digits. Print! */
+
for (i = decimal_digits - 1; i >= 0; i--)
{
fprintf_filtered (stream, "%1d", digits[i]);
}
}
-/* VALADDR points to a char integer of LEN bytes. Print it out in appropriate language form on stream.
+/* VALADDR points to a char integer of LEN bytes.
+ Print it out in appropriate language form on stream.
Omit any leading zero chars. */
void
}
}
+/* Print function pointer with inferior address ADDRESS onto stdio
+ stream STREAM. */
+
+void
+print_function_pointer_address (const struct value_print_options *options,
+ struct gdbarch *gdbarch,
+ CORE_ADDR address,
+ struct ui_file *stream)
+{
+ 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 (options->addressprint && func_addr != address)
+ {
+ fputs_filtered ("@", stream);
+ fputs_filtered (paddress (gdbarch, address), stream);
+ fputs_filtered (": ", stream);
+ }
+ print_address_demangle (options, gdbarch, func_addr, stream, demangle);
+}
+
+
/* Print on STREAM using the given OPTIONS the index for the element
at INDEX of an array whose index type is INDEX_TYPE. */
(FIXME?) Assumes array element separator is a comma, which is correct
for all languages currently handled.
(FIXME?) Some languages have a notation for repeated array elements,
- perhaps we should try to use that notation when appropriate.
- */
+ perhaps we should try to use that notation when appropriate. */
void
-val_print_array_elements (struct type *type, const gdb_byte *valaddr,
+val_print_array_elements (struct type *type,
+ const gdb_byte *valaddr, int embedded_offset,
CORE_ADDR address, struct ui_file *stream,
int recurse,
const struct value *val,
rep1 = i + 1;
reps = 1;
- while ((rep1 < len) &&
- !memcmp (valaddr + i * eltlen, valaddr + rep1 * eltlen, eltlen))
+ /* Only check for reps if repeat_count_threshold is not set to
+ UINT_MAX (unlimited). */
+ if (options->repeat_count_threshold < UINT_MAX)
{
- ++reps;
- ++rep1;
+ while (rep1 < len
+ && value_available_contents_eq (val,
+ embedded_offset + i * eltlen,
+ val,
+ (embedded_offset
+ + rep1 * eltlen),
+ eltlen))
+ {
+ ++reps;
+ ++rep1;
+ }
}
if (reps > options->repeat_count_threshold)
{
- val_print (elttype, valaddr + i * eltlen, 0, address + i * eltlen,
- stream, recurse + 1, val, options, current_language);
+ val_print (elttype, valaddr, embedded_offset + i * eltlen,
+ address, stream, recurse + 1, val, options,
+ current_language);
annotate_elt_rep (reps);
fprintf_filtered (stream, " <repeats %u times>", reps);
annotate_elt_rep_end ();
}
else
{
- val_print (elttype, valaddr + i * eltlen, 0, address + i * eltlen,
+ val_print (elttype, valaddr, embedded_offset + i * eltlen,
+ address,
stream, recurse + 1, val, options, current_language);
annotate_elt ();
things_printed++;
/* Read LEN bytes of target memory at address MEMADDR, placing the
results in GDB's memory at MYADDR. Returns a count of the bytes
actually read, and optionally an errno value in the location
- pointed to by ERRNOPTR if ERRNOPTR is non-null. */
+ pointed to by ERRNOPTR if ERRNOPTR is non-null. */
/* FIXME: cagney/1999-10-14: Only used by val_print_string. Can this
function be eliminated. */
static int
-partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr, int len, int *errnoptr)
+partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr,
+ int len, int *errnoptr)
{
- int nread; /* Number of bytes actually read. */
- int errcode; /* Error from last read. */
+ int nread; /* Number of bytes actually read. */
+ int errcode; /* Error from last read. */
- /* First try a complete read. */
+ /* First try a complete read. */
errcode = target_read_memory (memaddr, myaddr, len);
if (errcode == 0)
{
- /* Got it all. */
+ /* Got it all. */
nread = len;
}
else
{
- /* Loop, reading one byte at a time until we get as much as we can. */
+ /* Loop, reading one byte at a time until we get as much as we can. */
for (errcode = 0, nread = 0; len > 0 && errcode == 0; nread++, len--)
{
errcode = target_read_memory (memaddr++, myaddr++, 1);
}
- /* If an error, the last read was unsuccessful, so adjust count. */
+ /* If an error, the last read was unsuccessful, so adjust count. */
if (errcode != 0)
{
nread--;
Note: There was a FIXME asking to make this code use target_read_string,
but this function is more general (can read past null characters, up to
- given LEN). Besides, it is used much more often than target_read_string
+ given LEN). Besides, it is used much more often than target_read_string
so it is more tested. Perhaps callers of target_read_string should use
this function instead? */
int errcode; /* Errno returned from bad reads. */
unsigned int nfetch; /* Chars to fetch / chars fetched. */
unsigned int chunksize; /* Size of each fetch, in chars. */
- gdb_byte *bufptr; /* Pointer to next available byte in buffer. */
+ gdb_byte *bufptr; /* Pointer to next available byte in
+ buffer. */
gdb_byte *limit; /* First location past end of fetch buffer. */
struct cleanup *old_chain = NULL; /* Top of the old cleanup chain. */
return errcode;
}
+/* Return true if print_wchar can display W without resorting to a
+ numeric escape, false otherwise. */
+
+static int
+wchar_printable (gdb_wchar_t w)
+{
+ return (gdb_iswprint (w)
+ || w == LCST ('\a') || w == LCST ('\b')
+ || w == LCST ('\f') || w == LCST ('\n')
+ || w == LCST ('\r') || w == LCST ('\t')
+ || w == LCST ('\v'));
+}
+
+/* A helper function that converts the contents of STRING to wide
+ characters and then appends them to OUTPUT. */
+
+static void
+append_string_as_wide (const char *string,
+ struct obstack *output)
+{
+ for (; *string; ++string)
+ {
+ gdb_wchar_t w = gdb_btowc (*string);
+ obstack_grow (output, &w, sizeof (gdb_wchar_t));
+ }
+}
+
+/* Print a wide character W to OUTPUT. ORIG is a pointer to the
+ original (target) bytes representing the character, ORIG_LEN is the
+ number of valid bytes. WIDTH is the number of bytes in a base
+ characters of the type. OUTPUT is an obstack to which wide
+ characters are emitted. QUOTER is a (narrow) character indicating
+ the style of quotes surrounding the character to be printed.
+ NEED_ESCAPE is an in/out flag which is used to track numeric
+ escapes across calls. */
+
+static void
+print_wchar (gdb_wint_t w, const gdb_byte *orig,
+ int orig_len, int width,
+ enum bfd_endian byte_order,
+ struct obstack *output,
+ int quoter, int *need_escapep)
+{
+ int need_escape = *need_escapep;
+
+ *need_escapep = 0;
+ if (gdb_iswprint (w) && (!need_escape || (!gdb_iswdigit (w)
+ && w != LCST ('8')
+ && w != LCST ('9'))))
+ {
+ gdb_wchar_t wchar = w;
+
+ if (w == gdb_btowc (quoter) || w == LCST ('\\'))
+ obstack_grow_wstr (output, LCST ("\\"));
+ obstack_grow (output, &wchar, sizeof (gdb_wchar_t));
+ }
+ else
+ {
+ switch (w)
+ {
+ case LCST ('\a'):
+ obstack_grow_wstr (output, LCST ("\\a"));
+ break;
+ case LCST ('\b'):
+ obstack_grow_wstr (output, LCST ("\\b"));
+ break;
+ case LCST ('\f'):
+ obstack_grow_wstr (output, LCST ("\\f"));
+ break;
+ case LCST ('\n'):
+ obstack_grow_wstr (output, LCST ("\\n"));
+ break;
+ case LCST ('\r'):
+ obstack_grow_wstr (output, LCST ("\\r"));
+ break;
+ case LCST ('\t'):
+ obstack_grow_wstr (output, LCST ("\\t"));
+ break;
+ case LCST ('\v'):
+ obstack_grow_wstr (output, LCST ("\\v"));
+ break;
+ default:
+ {
+ int i;
+
+ for (i = 0; i + width <= orig_len; i += width)
+ {
+ char octal[30];
+ ULONGEST value;
+
+ value = extract_unsigned_integer (&orig[i], width,
+ byte_order);
+ /* If the value fits in 3 octal digits, print it that
+ way. Otherwise, print it as a hex escape. */
+ if (value <= 0777)
+ xsnprintf (octal, sizeof (octal), "\\%.3o",
+ (int) (value & 0777));
+ else
+ xsnprintf (octal, sizeof (octal), "\\x%lx", (long) value);
+ append_string_as_wide (octal, output);
+ }
+ /* If we somehow have extra bytes, print them now. */
+ while (i < orig_len)
+ {
+ char octal[5];
+
+ xsnprintf (octal, sizeof (octal), "\\%.3o", orig[i] & 0xff);
+ append_string_as_wide (octal, output);
+ ++i;
+ }
+
+ *need_escapep = 1;
+ }
+ break;
+ }
+ }
+}
+
+/* Print the character C on STREAM as part of the contents of a
+ literal string whose delimiter is QUOTER. ENCODING names the
+ encoding of C. */
+
+void
+generic_emit_char (int c, struct type *type, struct ui_file *stream,
+ int quoter, const char *encoding)
+{
+ enum bfd_endian byte_order
+ = gdbarch_byte_order (get_type_arch (type));
+ struct obstack wchar_buf, output;
+ struct cleanup *cleanups;
+ gdb_byte *buf;
+ struct wchar_iterator *iter;
+ int need_escape = 0;
+
+ buf = alloca (TYPE_LENGTH (type));
+ pack_long (buf, type, c);
+
+ iter = make_wchar_iterator (buf, TYPE_LENGTH (type),
+ encoding, TYPE_LENGTH (type));
+ cleanups = make_cleanup_wchar_iterator (iter);
+
+ /* This holds the printable form of the wchar_t data. */
+ obstack_init (&wchar_buf);
+ make_cleanup_obstack_free (&wchar_buf);
+
+ while (1)
+ {
+ int num_chars;
+ gdb_wchar_t *chars;
+ const gdb_byte *buf;
+ size_t buflen;
+ int print_escape = 1;
+ enum wchar_iterate_result result;
+
+ num_chars = wchar_iterate (iter, &result, &chars, &buf, &buflen);
+ if (num_chars < 0)
+ break;
+ if (num_chars > 0)
+ {
+ /* If all characters are printable, print them. Otherwise,
+ we're going to have to print an escape sequence. We
+ check all characters because we want to print the target
+ bytes in the escape sequence, and we don't know character
+ boundaries there. */
+ int i;
+
+ print_escape = 0;
+ for (i = 0; i < num_chars; ++i)
+ if (!wchar_printable (chars[i]))
+ {
+ print_escape = 1;
+ break;
+ }
+
+ if (!print_escape)
+ {
+ for (i = 0; i < num_chars; ++i)
+ print_wchar (chars[i], buf, buflen,
+ TYPE_LENGTH (type), byte_order,
+ &wchar_buf, quoter, &need_escape);
+ }
+ }
+
+ /* This handles the NUM_CHARS == 0 case as well. */
+ if (print_escape)
+ print_wchar (gdb_WEOF, buf, buflen, TYPE_LENGTH (type),
+ byte_order, &wchar_buf, quoter, &need_escape);
+ }
+
+ /* The output in the host encoding. */
+ obstack_init (&output);
+ make_cleanup_obstack_free (&output);
+
+ convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (),
+ (gdb_byte *) obstack_base (&wchar_buf),
+ obstack_object_size (&wchar_buf),
+ sizeof (gdb_wchar_t), &output, translit_char);
+ obstack_1grow (&output, '\0');
+
+ fputs_filtered (obstack_base (&output), stream);
+
+ do_cleanups (cleanups);
+}
+
+/* Return the repeat count of the next character/byte in ITER,
+ storing the result in VEC. */
+
+static int
+count_next_character (struct wchar_iterator *iter,
+ VEC (converted_character_d) **vec)
+{
+ struct converted_character *current;
+
+ if (VEC_empty (converted_character_d, *vec))
+ {
+ struct converted_character tmp;
+ gdb_wchar_t *chars;
+
+ tmp.num_chars
+ = wchar_iterate (iter, &tmp.result, &chars, &tmp.buf, &tmp.buflen);
+ if (tmp.num_chars > 0)
+ {
+ gdb_assert (tmp.num_chars < MAX_WCHARS);
+ memcpy (tmp.chars, chars, tmp.num_chars * sizeof (gdb_wchar_t));
+ }
+ VEC_safe_push (converted_character_d, *vec, &tmp);
+ }
+
+ current = VEC_last (converted_character_d, *vec);
+
+ /* Count repeated characters or bytes. */
+ current->repeat_count = 1;
+ if (current->num_chars == -1)
+ {
+ /* EOF */
+ return -1;
+ }
+ else
+ {
+ gdb_wchar_t *chars;
+ struct converted_character d;
+ int repeat;
+
+ d.repeat_count = 0;
+
+ while (1)
+ {
+ /* Get the next character. */
+ d.num_chars
+ = wchar_iterate (iter, &d.result, &chars, &d.buf, &d.buflen);
+
+ /* If a character was successfully converted, save the character
+ into the converted character. */
+ if (d.num_chars > 0)
+ {
+ gdb_assert (d.num_chars < MAX_WCHARS);
+ memcpy (d.chars, chars, WCHAR_BUFLEN (d.num_chars));
+ }
+
+ /* Determine if the current character is the same as this
+ new character. */
+ if (d.num_chars == current->num_chars && d.result == current->result)
+ {
+ /* There are two cases to consider:
+
+ 1) Equality of converted character (num_chars > 0)
+ 2) Equality of non-converted character (num_chars == 0) */
+ if ((current->num_chars > 0
+ && memcmp (current->chars, d.chars,
+ WCHAR_BUFLEN (current->num_chars)) == 0)
+ || (current->num_chars == 0
+ && current->buflen == d.buflen
+ && memcmp (current->buf, d.buf, current->buflen) == 0))
+ ++current->repeat_count;
+ else
+ break;
+ }
+ else
+ break;
+ }
+
+ /* Push this next converted character onto the result vector. */
+ repeat = current->repeat_count;
+ VEC_safe_push (converted_character_d, *vec, &d);
+ return repeat;
+ }
+}
+
+/* Print the characters in CHARS to the OBSTACK. QUOTE_CHAR is the quote
+ character to use with string output. WIDTH is the size of the output
+ character type. BYTE_ORDER is the the target byte order. OPTIONS
+ is the user's print options. */
+
+static void
+print_converted_chars_to_obstack (struct obstack *obstack,
+ VEC (converted_character_d) *chars,
+ int quote_char, int width,
+ enum bfd_endian byte_order,
+ const struct value_print_options *options)
+{
+ unsigned int idx;
+ struct converted_character *elem;
+ enum {START, SINGLE, REPEAT, INCOMPLETE, FINISH} state, last;
+ gdb_wchar_t wide_quote_char = gdb_btowc (quote_char);
+ int need_escape = 0;
+
+ /* Set the start state. */
+ idx = 0;
+ last = state = START;
+ elem = NULL;
+
+ while (1)
+ {
+ switch (state)
+ {
+ case START:
+ /* Nothing to do. */
+ break;
+
+ case SINGLE:
+ {
+ int j;
+
+ /* We are outputting a single character
+ (< options->repeat_count_threshold). */
+
+ if (last != SINGLE)
+ {
+ /* We were outputting some other type of content, so we
+ must output and a comma and a quote. */
+ if (last != START)
+ obstack_grow_wstr (obstack, LCST (", "));
+ obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t));
+ }
+ /* Output the character. */
+ for (j = 0; j < elem->repeat_count; ++j)
+ {
+ if (elem->result == wchar_iterate_ok)
+ print_wchar (elem->chars[0], elem->buf, elem->buflen, width,
+ byte_order, obstack, quote_char, &need_escape);
+ else
+ print_wchar (gdb_WEOF, elem->buf, elem->buflen, width,
+ byte_order, obstack, quote_char, &need_escape);
+ }
+ }
+ break;
+
+ case REPEAT:
+ {
+ int j;
+ char *s;
+
+ /* We are outputting a character with a repeat count
+ greater than options->repeat_count_threshold. */
+
+ if (last == SINGLE)
+ {
+ /* We were outputting a single string. Terminate the
+ string. */
+ obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t));
+ }
+ if (last != START)
+ obstack_grow_wstr (obstack, LCST (", "));
+
+ /* Output the character and repeat string. */
+ obstack_grow_wstr (obstack, LCST ("'"));
+ if (elem->result == wchar_iterate_ok)
+ print_wchar (elem->chars[0], elem->buf, elem->buflen, width,
+ byte_order, obstack, quote_char, &need_escape);
+ else
+ print_wchar (gdb_WEOF, elem->buf, elem->buflen, width,
+ byte_order, obstack, quote_char, &need_escape);
+ obstack_grow_wstr (obstack, LCST ("'"));
+ s = xstrprintf (_(" <repeats %u times>"), elem->repeat_count);
+ for (j = 0; s[j]; ++j)
+ {
+ gdb_wchar_t w = gdb_btowc (s[j]);
+ obstack_grow (obstack, &w, sizeof (gdb_wchar_t));
+ }
+ xfree (s);
+ }
+ break;
+
+ case INCOMPLETE:
+ /* We are outputting an incomplete sequence. */
+ if (last == SINGLE)
+ {
+ /* If we were outputting a string of SINGLE characters,
+ terminate the quote. */
+ obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t));
+ }
+ if (last != START)
+ obstack_grow_wstr (obstack, LCST (", "));
+
+ /* Output the incomplete sequence string. */
+ obstack_grow_wstr (obstack, LCST ("<incomplete sequence "));
+ print_wchar (gdb_WEOF, elem->buf, elem->buflen, width, byte_order,
+ obstack, 0, &need_escape);
+ obstack_grow_wstr (obstack, LCST (">"));
+
+ /* We do not attempt to outupt anything after this. */
+ state = FINISH;
+ break;
+
+ case FINISH:
+ /* All done. If we were outputting a string of SINGLE
+ characters, the string must be terminated. Otherwise,
+ REPEAT and INCOMPLETE are always left properly terminated. */
+ if (last == SINGLE)
+ obstack_grow (obstack, &wide_quote_char, sizeof (gdb_wchar_t));
+
+ return;
+ }
+
+ /* Get the next element and state. */
+ last = state;
+ if (state != FINISH)
+ {
+ elem = VEC_index (converted_character_d, chars, idx++);
+ switch (elem->result)
+ {
+ case wchar_iterate_ok:
+ case wchar_iterate_invalid:
+ if (elem->repeat_count > options->repeat_count_threshold)
+ state = REPEAT;
+ else
+ state = SINGLE;
+ break;
+
+ case wchar_iterate_incomplete:
+ state = INCOMPLETE;
+ break;
+
+ case wchar_iterate_eof:
+ state = FINISH;
+ break;
+ }
+ }
+ }
+}
+
+/* Print the character string STRING, printing at most LENGTH
+ characters. LENGTH is -1 if the string is nul terminated. TYPE is
+ the type of each character. OPTIONS holds the printing options;
+ printing stops early if the number hits print_max; repeat counts
+ are printed as appropriate. Print ellipses at the end if we had to
+ stop before printing LENGTH characters, or if FORCE_ELLIPSES.
+ QUOTE_CHAR is the character to print at each end of the string. If
+ C_STYLE_TERMINATOR is true, and the last character is 0, then it is
+ omitted. */
+
+void
+generic_printstr (struct ui_file *stream, struct type *type,
+ const gdb_byte *string, unsigned int length,
+ const char *encoding, int force_ellipses,
+ int quote_char, int c_style_terminator,
+ const struct value_print_options *options)
+{
+ enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type));
+ unsigned int i;
+ int width = TYPE_LENGTH (type);
+ struct obstack wchar_buf, output;
+ struct cleanup *cleanup;
+ struct wchar_iterator *iter;
+ int finished = 0;
+ struct converted_character *last;
+ VEC (converted_character_d) *converted_chars;
+
+ if (length == -1)
+ {
+ unsigned long current_char = 1;
+
+ for (i = 0; current_char; ++i)
+ {
+ QUIT;
+ current_char = extract_unsigned_integer (string + i * width,
+ width, byte_order);
+ }
+ length = i;
+ }
+
+ /* If the string was not truncated due to `set print elements', and
+ the last byte of it is a null, we don't print that, in
+ traditional C style. */
+ if (c_style_terminator
+ && !force_ellipses
+ && length > 0
+ && (extract_unsigned_integer (string + (length - 1) * width,
+ width, byte_order) == 0))
+ length--;
+
+ if (length == 0)
+ {
+ fputs_filtered ("\"\"", stream);
+ return;
+ }
+
+ /* Arrange to iterate over the characters, in wchar_t form. */
+ iter = make_wchar_iterator (string, length * width, encoding, width);
+ cleanup = make_cleanup_wchar_iterator (iter);
+ converted_chars = NULL;
+ make_cleanup (VEC_cleanup (converted_character_d), &converted_chars);
+
+ /* Convert characters until the string is over or the maximum
+ number of printed characters has been reached. */
+ i = 0;
+ while (i < options->print_max)
+ {
+ int r;
+
+ QUIT;
+
+ /* Grab the next character and repeat count. */
+ r = count_next_character (iter, &converted_chars);
+
+ /* If less than zero, the end of the input string was reached. */
+ if (r < 0)
+ break;
+
+ /* Otherwise, add the count to the total print count and get
+ the next character. */
+ i += r;
+ }
+
+ /* Get the last element and determine if the entire string was
+ processed. */
+ last = VEC_last (converted_character_d, converted_chars);
+ finished = (last->result == wchar_iterate_eof);
+
+ /* Ensure that CONVERTED_CHARS is terminated. */
+ last->result = wchar_iterate_eof;
+
+ /* WCHAR_BUF is the obstack we use to represent the string in
+ wchar_t form. */
+ obstack_init (&wchar_buf);
+ make_cleanup_obstack_free (&wchar_buf);
+
+ /* Print the output string to the obstack. */
+ print_converted_chars_to_obstack (&wchar_buf, converted_chars, quote_char,
+ width, byte_order, options);
+
+ if (force_ellipses || !finished)
+ obstack_grow_wstr (&wchar_buf, LCST ("..."));
+
+ /* OUTPUT is where we collect `char's for printing. */
+ obstack_init (&output);
+ make_cleanup_obstack_free (&output);
+
+ convert_between_encodings (INTERMEDIATE_ENCODING, host_charset (),
+ (gdb_byte *) obstack_base (&wchar_buf),
+ obstack_object_size (&wchar_buf),
+ sizeof (gdb_wchar_t), &output, translit_char);
+ obstack_1grow (&output, '\0');
+
+ fputs_filtered (obstack_base (&output), stream);
+
+ do_cleanups (cleanup);
+}
+
/* Print a string from the inferior, starting at ADDR and printing up to LEN
characters, of WIDTH bytes a piece, to STREAM. If LEN is -1, printing
stops at the first null byte, otherwise printing proceeds (including null
{
int force_ellipsis = 0; /* Force ellipsis to be printed if nonzero. */
int errcode; /* Errno returned from bad reads. */
- int found_nul; /* Non-zero if we found the nul char */
+ int found_nul; /* Non-zero if we found the nul char. */
unsigned int fetchlimit; /* Maximum number of chars to print. */
int bytes_read;
gdb_byte *buffer = NULL; /* Dynamically growable fetch buffer. */
because finding the null byte (or available memory) is what actually
limits the fetch. */
- fetchlimit = (len == -1 ? options->print_max : min (len, options->print_max));
+ fetchlimit = (len == -1 ? options->print_max : min (len,
+ options->print_max));
errcode = read_string (addr, len, width, fetchlimit, byte_order,
&buffer, &bytes_read);
addr += bytes_read;
- /* We now have either successfully filled the buffer to fetchlimit, or
- terminated early due to an error or finding a null char when LEN is -1. */
+ /* We now have either successfully filled the buffer to fetchlimit,
+ or terminated early due to an error or finding a null char when
+ LEN is -1. */
/* Determine found_nul by looking at the last character read. */
found_nul = extract_unsigned_integer (buffer + bytes_read - width, width,
and then the error message. */
if (errcode == 0 || bytes_read > 0)
{
- if (options->addressprint)
- {
- fputs_filtered (" ", stream);
- }
LA_PRINT_STRING (stream, elttype, buffer, bytes_read / width,
encoding, force_ellipsis, options);
}
{
if (errcode == EIO)
{
- fprintf_filtered (stream, " <Address ");
+ fprintf_filtered (stream, "<Address ");
fputs_filtered (paddress (gdbarch, addr), stream);
fprintf_filtered (stream, " out of bounds>");
}
else
{
- fprintf_filtered (stream, " <Error reading address ");
+ fprintf_filtered (stream, "<Error reading address ");
fputs_filtered (paddress (gdbarch, addr), stream);
fprintf_filtered (stream, ": %s>", safe_strerror (errcode));
}
radix greater than 1, even if we don't have unique digits for every
value from 0 to radix-1, but in practice we lose on large radix values.
We should either fix the lossage or restrict the radix range more.
- (FIXME). */
+ (FIXME). */
if (radix < 2)
{
input_radix_1 = input_radix = radix;
if (from_tty)
{
- printf_filtered (_("Input radix now set to decimal %u, hex %x, octal %o.\n"),
+ printf_filtered (_("Input radix now set to "
+ "decimal %u, hex %x, octal %o.\n"),
radix, radix, radix);
}
}
set_output_radix_1 (int from_tty, unsigned radix)
{
/* Validate the radix and disallow ones that we aren't prepared to
- handle correctly, leaving the radix unchanged. */
+ handle correctly, leaving the radix unchanged. */
switch (radix)
{
case 16:
break;
default:
output_radix_1 = output_radix;
- error (_("Unsupported output radix ``decimal %u''; output radix unchanged."),
+ error (_("Unsupported output radix ``decimal %u''; "
+ "output radix unchanged."),
radix);
}
output_radix_1 = output_radix = radix;
if (from_tty)
{
- printf_filtered (_("Output radix now set to decimal %u, hex %x, octal %o.\n"),
+ printf_filtered (_("Output radix now set to "
+ "decimal %u, hex %x, octal %o.\n"),
radix, radix, radix);
}
}
It may be useful to have an unusual input radix. If the user wishes to
set an input radix that is not valid as an output radix, he needs to use
- the 'set input-radix' command. */
+ the 'set input-radix' command. */
static void
set_radix (char *arg, int from_tty)
set_input_radix_1 (0, radix);
if (from_tty)
{
- printf_filtered (_("Input and output radices now set to decimal %u, hex %x, octal %o.\n"),
+ printf_filtered (_("Input and output radices now set to "
+ "decimal %u, hex %x, octal %o.\n"),
radix, radix, radix);
}
}
-/* Show both the input and output radices. */
+/* Show both the input and output radices. */
static void
show_radix (char *arg, int from_tty)
{
if (input_radix == output_radix)
{
- printf_filtered (_("Input and output radices set to decimal %u, hex %x, octal %o.\n"),
+ printf_filtered (_("Input and output radices set to "
+ "decimal %u, hex %x, octal %o.\n"),
input_radix, input_radix, input_radix);
}
else
{
- printf_filtered (_("Input radix set to decimal %u, hex %x, octal %o.\n"),
+ printf_filtered (_("Input radix set to decimal "
+ "%u, hex %x, octal %o.\n"),
input_radix, input_radix, input_radix);
- printf_filtered (_("Output radix set to decimal %u, hex %x, octal %o.\n"),
+ printf_filtered (_("Output radix set to decimal "
+ "%u, hex %x, octal %o.\n"),
output_radix, output_radix, output_radix);
}
}
_("Generic command for setting how things print."),
&setprintlist, "set print ", 0, &setlist);
add_alias_cmd ("p", "print", no_class, 1, &setlist);
- /* prefer set print to set prompt */
+ /* Prefer set print to set prompt. */
add_alias_cmd ("pr", "print", no_class, 1, &setlist);
add_prefix_cmd ("print", no_class, show_print,
&user_print_options.print_max, _("\
Set limit on string chars or array elements to print."), _("\
Show limit on string chars or array elements to print."), _("\
-\"set print elements 0\" causes there to be no limit."),
+\"set print elements unlimited\" causes there to be no limit."),
NULL,
show_print_max,
&setprintlist, &showprintlist);
&user_print_options.repeat_count_threshold, _("\
Set threshold for repeated print elements."), _("\
Show threshold for repeated print elements."), _("\
-\"set print repeats 0\" causes all elements to be individually printed."),
+\"set print repeats unlimited\" causes all elements to be individually printed."),
NULL,
show_repeat_count_threshold,
&setprintlist, &showprintlist);
show_addressprint,
&setprintlist, &showprintlist);
+ add_setshow_boolean_cmd ("symbol", class_support,
+ &user_print_options.symbol_print, _("\
+Set printing of symbol names when printing pointers."), _("\
+Show printing of symbol names when printing pointers."),
+ NULL, NULL,
+ show_symbol_print,
+ &setprintlist, &showprintlist);
+
add_setshow_zuinteger_cmd ("input-radix", class_support, &input_radix_1,
_("\
Set default input radix for entering numbers."), _("\
they are like normal set and show commands but allow two normally
independent variables to be either set or shown with a single
command. So the usual deprecated_add_set_cmd() and [deleted]
- add_show_from_set() commands aren't really appropriate. */
+ add_show_from_set() commands aren't really appropriate. */
/* FIXME: i18n: With the new add_setshow_integer command, that is no
longer true - show can display anything. */
add_cmd ("radix", class_support, set_radix, _("\