/* Print values for GDB, the GNU debugger.
- Copyright (C) 1986-2017 Free Software Foundation, Inc.
+ Copyright (C) 1986-2018 Free Software Foundation, Inc.
This file is part of GDB.
#include "language.h"
#include "annotate.h"
#include "valprint.h"
-#include "floatformat.h"
-#include "doublest.h"
-#include "dfp.h"
+#include "target-float.h"
#include "extension.h"
#include "ada-lang.h"
#include "gdb_obstack.h"
int repeat_count;
};
-typedef struct converted_character converted_character_d;
-DEF_VEC_O (converted_character_d);
-
/* Command lists for set/show print raw. */
struct cmd_list_element *setprintrawlist;
struct cmd_list_element *showprintrawlist;
static int partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr,
int len, int *errptr);
-static void show_print (char *, int);
-
-static void set_print (char *, int);
-
-static void set_radix (char *, int);
-
-static void show_radix (char *, int);
-
-static void set_input_radix (char *, int, struct cmd_list_element *);
-
static void set_input_radix_1 (int, unsigned);
-static void set_output_radix (char *, int, struct cmd_list_element *);
-
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. */
struct value_print_options user_print_options =
}
}
-/* generic_val_print helper for TYPE_CODE_FLT. */
+/* generic_val_print helper for TYPE_CODE_FLT and TYPE_CODE_DECFLOAT. */
static void
generic_val_print_float (struct type *type,
}
}
-/* generic_val_print helper for TYPE_CODE_DECFLOAT. */
-
-static void
-generic_val_print_decfloat (struct type *type,
- int embedded_offset, struct ui_file *stream,
- struct value *original_value,
- const struct value_print_options *options)
-{
- struct gdbarch *gdbarch = get_type_arch (type);
- int unit_size = gdbarch_addressable_memory_unit_size (gdbarch);
-
- if (options->format)
- val_print_scalar_formatted (type, embedded_offset, original_value,
- options, 0, stream);
- else
- {
- const gdb_byte *valaddr = value_contents_for_printing (original_value);
-
- print_decimal_floating (valaddr + embedded_offset * unit_size, type,
- stream);
- }
-}
-
/* generic_val_print helper for TYPE_CODE_COMPLEX. */
static void
break;
case TYPE_CODE_FLT:
+ case TYPE_CODE_DECFLOAT:
generic_val_print_float (type, embedded_offset, stream,
original_value, options);
break;
- case TYPE_CODE_DECFLOAT:
- generic_val_print_decfloat (type, embedded_offset, stream,
- original_value, options);
- break;
-
case TYPE_CODE_VOID:
fputs_filtered (decorations->void_name, stream);
break;
return (rtnval);
}
-/* Print a floating point value of type TYPE (not always a
- TYPE_CODE_FLT), pointed to in GDB by VALADDR, on STREAM. */
+/* Print a floating point value of floating-point type TYPE,
+ pointed to in GDB by VALADDR, on STREAM. */
void
print_floating (const gdb_byte *valaddr, struct type *type,
struct ui_file *stream)
{
- DOUBLEST doub;
- int inv;
- const struct floatformat *fmt = NULL;
- unsigned len = TYPE_LENGTH (type);
- enum float_kind kind;
-
- /* If it is a floating-point, check for obvious problems. */
- if (TYPE_CODE (type) == TYPE_CODE_FLT)
- fmt = floatformat_from_type (type);
- if (fmt != NULL)
- {
- kind = floatformat_classify (fmt, valaddr);
- if (kind == float_nan)
- {
- if (floatformat_is_negative (fmt, valaddr))
- fprintf_filtered (stream, "-");
- fprintf_filtered (stream, "nan(");
- fputs_filtered ("0x", stream);
- fputs_filtered (floatformat_mantissa (fmt, valaddr), stream);
- fprintf_filtered (stream, ")");
- return;
- }
- else if (kind == float_infinite)
- {
- if (floatformat_is_negative (fmt, valaddr))
- fputs_filtered ("-", stream);
- fputs_filtered ("inf", stream);
- return;
- }
- }
-
- /* NOTE: cagney/2002-01-15: The TYPE passed into print_floating()
- isn't necessarily a TYPE_CODE_FLT. Consequently, unpack_double
- needs to be used as that takes care of any necessary type
- conversions. Such conversions are of course direct to DOUBLEST
- and disregard any possible target floating point limitations.
- For instance, a u64 would be converted and displayed exactly on a
- host with 80 bit DOUBLEST but with loss of information on a host
- with 64 bit DOUBLEST. */
-
- doub = unpack_double (type, valaddr, &inv);
- if (inv)
- {
- fprintf_filtered (stream, "<invalid float value>");
- return;
- }
-
- /* FIXME: kettenis/2001-01-20: The following code makes too much
- assumptions about the host and target floating point format. */
-
- /* NOTE: cagney/2002-02-03: Since the TYPE of what was passed in may
- not necessarily be a TYPE_CODE_FLT, the below ignores that and
- instead uses the type's length to determine the precision of the
- floating-point value being printed. */
-
- if (len < sizeof (double))
- fprintf_filtered (stream, "%.9g", (double) doub);
- else if (len == sizeof (double))
- fprintf_filtered (stream, "%.17g", (double) doub);
- else
-#ifdef PRINTF_HAS_LONG_DOUBLE
- fprintf_filtered (stream, "%.35Lg", doub);
-#else
- /* This at least wins with values that are representable as
- doubles. */
- fprintf_filtered (stream, "%.17g", (double) doub);
-#endif
-}
-
-void
-print_decimal_floating (const gdb_byte *valaddr, struct type *type,
- struct ui_file *stream)
-{
- enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type));
- char decstr[MAX_DECIMAL_STRING];
- unsigned len = TYPE_LENGTH (type);
-
- decimal_to_string (valaddr, len, byte_order, decstr);
- fputs_filtered (decstr, stream);
- return;
+ std::string str = target_float_to_string (valaddr, type);
+ fputs_filtered (str.c_str (), stream);
}
void
{
CORE_ADDR func_addr
= gdbarch_convert_from_func_ptr_addr (gdbarch, address,
- ¤t_target);
+ current_top_target ());
/* If the function pointer is represented by a description, print
the address of the description. */
return (nread);
}
-/* Read a string from the inferior, at ADDR, with LEN characters of WIDTH bytes
- each. Fetch at most FETCHLIMIT characters. BUFFER will be set to a newly
- allocated buffer containing the string, which the caller is responsible to
- free, and BYTES_READ will be set to the number of bytes read. Returns 0 on
+/* Read a string from the inferior, at ADDR, with LEN characters of
+ WIDTH bytes each. Fetch at most FETCHLIMIT characters. BUFFER
+ will be set to a newly allocated buffer containing the string, and
+ BYTES_READ will be set to the number of bytes read. Returns 0 on
success, or a target_xfer_status on failure.
If LEN > 0, reads the lesser of LEN or FETCHLIMIT characters
int
read_string (CORE_ADDR addr, int len, int width, unsigned int fetchlimit,
- enum bfd_endian byte_order, gdb_byte **buffer, int *bytes_read)
+ enum bfd_endian byte_order, gdb::unique_xmalloc_ptr<gdb_byte> *buffer,
+ int *bytes_read)
{
int errcode; /* Errno returned from bad reads. */
unsigned int nfetch; /* Chars to fetch / chars fetched. */
gdb_byte *bufptr; /* Pointer to next available byte in
buffer. */
- struct cleanup *old_chain = NULL; /* Top of the old cleanup chain. */
/* Loop until we either have all the characters, or we encounter
some error, such as bumping into the end of the address space. */
- *buffer = NULL;
-
- old_chain = make_cleanup (free_current_contents, buffer);
+ buffer->reset (nullptr);
if (len > 0)
{
one operation. */
unsigned int fetchlen = std::min ((unsigned) len, fetchlimit);
- *buffer = (gdb_byte *) xmalloc (fetchlen * width);
- bufptr = *buffer;
+ buffer->reset ((gdb_byte *) xmalloc (fetchlen * width));
+ bufptr = buffer->get ();
nfetch = partial_memory_read (addr, bufptr, fetchlen * width, &errcode)
/ width;
nfetch = std::min ((unsigned long) chunksize, fetchlimit - bufsize);
if (*buffer == NULL)
- *buffer = (gdb_byte *) xmalloc (nfetch * width);
+ buffer->reset ((gdb_byte *) xmalloc (nfetch * width));
else
- *buffer = (gdb_byte *) xrealloc (*buffer,
- (nfetch + bufsize) * width);
+ buffer->reset ((gdb_byte *) xrealloc (buffer->release (),
+ (nfetch + bufsize) * width));
- bufptr = *buffer + bufsize * width;
+ bufptr = buffer->get () + bufsize * width;
bufsize += nfetch;
/* Read as much as we can. */
}
}
while (errcode == 0 /* no error */
- && bufptr - *buffer < fetchlimit * width /* no overrun */
+ && bufptr - buffer->get () < fetchlimit * width /* no overrun */
&& !found_nul); /* haven't found NUL yet */
}
else
{ /* Length of string is really 0! */
/* We always allocate *buffer. */
- *buffer = bufptr = (gdb_byte *) xmalloc (1);
+ buffer->reset ((gdb_byte *) xmalloc (1));
+ bufptr = buffer->get ();
errcode = 0;
}
/* bufptr and addr now point immediately beyond the last byte which we
consider part of the string (including a '\0' which ends the string). */
- *bytes_read = bufptr - *buffer;
+ *bytes_read = bufptr - buffer->get ();
QUIT;
- discard_cleanups (old_chain);
-
return errcode;
}
static int
count_next_character (wchar_iterator *iter,
- VEC (converted_character_d) **vec)
+ std::vector<converted_character> *vec)
{
struct converted_character *current;
- if (VEC_empty (converted_character_d, *vec))
+ if (vec->empty ())
{
struct converted_character tmp;
gdb_wchar_t *chars;
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);
+ vec->push_back (tmp);
}
- current = VEC_last (converted_character_d, *vec);
+ current = &vec->back ();
/* Count repeated characters or bytes. */
current->repeat_count = 1;
/* Push this next converted character onto the result vector. */
repeat = current->repeat_count;
- VEC_safe_push (converted_character_d, *vec, &d);
+ vec->push_back (d);
return repeat;
}
}
static void
print_converted_chars_to_obstack (struct obstack *obstack,
- VEC (converted_character_d) *chars,
+ const std::vector<converted_character> &chars,
int quote_char, int width,
enum bfd_endian byte_order,
const struct value_print_options *options)
{
unsigned int idx;
- struct converted_character *elem;
+ const 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;
last = state;
if (state != FINISH)
{
- elem = VEC_index (converted_character_d, chars, idx++);
+ elem = &chars[idx++];
switch (elem->result)
{
case wchar_iterate_ok:
enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type));
unsigned int i;
int width = TYPE_LENGTH (type);
- struct cleanup *cleanup;
int finished = 0;
struct converted_character *last;
- VEC (converted_character_d) *converted_chars;
if (length == -1)
{
/* Arrange to iterate over the characters, in wchar_t form. */
wchar_iterator iter (string, length * width, encoding, width);
- converted_chars = NULL;
- cleanup = make_cleanup (VEC_cleanup (converted_character_d),
- &converted_chars);
+ std::vector<converted_character> converted_chars;
/* Convert characters until the string is over or the maximum
number of printed characters has been reached. */
/* Get the last element and determine if the entire string was
processed. */
- last = VEC_last (converted_character_d, converted_chars);
+ last = &converted_chars.back ();
finished = (last->result == wchar_iterate_eof);
/* Ensure that CONVERTED_CHARS is terminated. */
obstack_1grow (&output, '\0');
fputs_filtered ((const char *) obstack_base (&output), stream);
-
- do_cleanups (cleanup);
}
/* Print a string from the inferior, starting at ADDR and printing up to LEN
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. */
- struct cleanup *old_chain = NULL; /* Top of the old cleanup chain. */
+ gdb::unique_xmalloc_ptr<gdb_byte> buffer; /* Dynamically growable fetch buffer. */
struct gdbarch *gdbarch = get_type_arch (elttype);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
int width = TYPE_LENGTH (elttype);
err = read_string (addr, len, width, fetchlimit, byte_order,
&buffer, &bytes_read);
- old_chain = make_cleanup (xfree, buffer);
addr += bytes_read;
/* Determine found_nul by looking at the last character read. */
found_nul = 0;
if (bytes_read >= width)
- found_nul = extract_unsigned_integer (buffer + bytes_read - width, width,
- byte_order) == 0;
+ found_nul = extract_unsigned_integer (buffer.get () + bytes_read - width,
+ width, byte_order) == 0;
if (len == -1 && !found_nul)
{
gdb_byte *peekbuf;
and then the error message. */
if (err == 0 || bytes_read > 0)
{
- LA_PRINT_STRING (stream, elttype, buffer, bytes_read / width,
+ LA_PRINT_STRING (stream, elttype, buffer.get (), bytes_read / width,
encoding, force_ellipsis, options);
}
}
gdb_flush (stream);
- do_cleanups (old_chain);
return (bytes_read / width);
}
setting the input radix to "10" never changes it! */
static void
-set_input_radix (char *args, int from_tty, struct cmd_list_element *c)
+set_input_radix (const char *args, int from_tty, struct cmd_list_element *c)
{
set_input_radix_1 (from_tty, input_radix_1);
}
static unsigned output_radix_1 = 10;
static void
-set_output_radix (char *args, int from_tty, struct cmd_list_element *c)
+set_output_radix (const char *args, int from_tty, struct cmd_list_element *c)
{
set_output_radix_1 (from_tty, output_radix_1);
}
the 'set input-radix' command. */
static void
-set_radix (char *arg, int from_tty)
+set_radix (const char *arg, int from_tty)
{
unsigned radix;
/* Show both the input and output radices. */
static void
-show_radix (char *arg, int from_tty)
+show_radix (const char *arg, int from_tty)
{
if (from_tty)
{
\f
static void
-set_print (char *arg, int from_tty)
+set_print (const char *arg, int from_tty)
{
printf_unfiltered (
"\"set print\" must be followed by the name of a print subcommand.\n");
}
static void
-show_print (char *args, int from_tty)
+show_print (const char *args, int from_tty)
{
cmd_show_list (showprintlist, from_tty, "");
}
static void
-set_print_raw (char *arg, int from_tty)
+set_print_raw (const char *arg, int from_tty)
{
printf_unfiltered (
"\"set print raw\" must be followed by the name of a \"print raw\" subcommand.\n");
}
static void
-show_print_raw (char *args, int from_tty)
+show_print_raw (const char *args, int from_tty)
{
cmd_show_list (showprintrawlist, from_tty, "");
}
projects / deliverable / binutils-gdb.git / blobdiff