/* Print values for GDB, the GNU debugger.
- Copyright 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1998
+ Copyright 1986, 1988, 1989, 1991-1994, 1998, 2000
Free Software Foundation, Inc.
This file is part of GDB.
/* Prototypes for local functions */
-static void print_hex_chars PARAMS ((GDB_FILE *, unsigned char *,
- unsigned int));
+static int partial_memory_read (CORE_ADDR memaddr, char *myaddr,
+ int len, int *errnoptr);
-static void show_print PARAMS ((char *, int));
+static void print_hex_chars (struct ui_file *, unsigned char *,
+ unsigned int);
-static void set_print PARAMS ((char *, int));
+static void show_print (char *, int);
-static void set_radix PARAMS ((char *, int));
+static void set_print (char *, int);
-static void show_radix PARAMS ((char *, int));
+static void set_radix (char *, int);
-static void set_input_radix PARAMS ((char *, int, struct cmd_list_element *));
+static void show_radix (char *, int);
-static void set_input_radix_1 PARAMS ((int, unsigned));
+static void set_input_radix (char *, int, struct cmd_list_element *);
-static void set_output_radix PARAMS ((char *, int, struct cmd_list_element *));
+static void set_input_radix_1 (int, unsigned);
-static void set_output_radix_1 PARAMS ((int, unsigned));
+static void set_output_radix (char *, int, struct cmd_list_element *);
-void _initialize_valprint PARAMS ((void));
+static void set_output_radix_1 (int, unsigned);
+
+void _initialize_valprint (void);
/* Maximum number of chars to print for a string pointer value or vector
contents, or UINT_MAX for no limit. Note that "set print elements 0"
int
-val_print (type, valaddr, embedded_offset, address,
- stream, format, deref_ref, recurse, pretty)
- struct type *type;
- char *valaddr;
- int embedded_offset;
- CORE_ADDR address;
- GDB_FILE *stream;
- int format;
- int deref_ref;
- int recurse;
- enum val_prettyprint pretty;
+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)
{
struct type *real_type = check_typedef (type);
if (pretty == Val_pretty_default)
the number of string bytes printed. */
int
-value_print (val, stream, format, pretty)
- value_ptr val;
- GDB_FILE *stream;
- int format;
- enum val_prettyprint pretty;
+value_print (value_ptr val, struct ui_file *stream, int format,
+ enum val_prettyprint pretty)
{
if (val == 0)
{
value. STREAM is where to print the value. */
void
-val_print_type_code_int (type, valaddr, stream)
- struct type *type;
- char *valaddr;
- GDB_FILE *stream;
+val_print_type_code_int (struct type *type, char *valaddr,
+ struct ui_file *stream)
{
if (TYPE_LENGTH (type) > sizeof (LONGEST))
{
*/
#if defined (CC_HAS_LONG_LONG) && !defined (PRINTF_HAS_LONG_LONG)
-static void print_decimal PARAMS ((GDB_FILE * stream, char *sign, int use_local, ULONGEST val_ulong));
+static void print_decimal (struct ui_file * stream, char *sign,
+ int use_local, ULONGEST val_ulong);
static void
-print_decimal (stream, sign, use_local, val_ulong)
- GDB_FILE *stream;
- char *sign;
- int use_local;
- ULONGEST val_ulong;
+print_decimal (struct ui_file *stream, char *sign, int use_local,
+ ULONGEST val_ulong)
{
unsigned long temp[3];
int i = 0;
#endif
void
-print_longest (stream, format, use_local, val_long)
- GDB_FILE *stream;
- int format;
- int use_local;
- LONGEST val_long;
+print_longest (struct ui_file *stream, int format, int use_local,
+ LONGEST val_long)
{
#if defined (CC_HAS_LONG_LONG) && !defined (PRINTF_HAS_LONG_LONG)
if (sizeof (long) < sizeof (LONGEST))
where the value must not be larger than can fit in an int. */
int
-longest_to_int (arg)
- LONGEST arg;
+longest_to_int (LONGEST arg)
{
/* Let the compiler do the work */
int rtnval = (int) arg;
return (rtnval);
}
+
/* Print a floating point value of type TYPE, pointed to in GDB by VALADDR,
on STREAM. */
void
-print_floating (valaddr, type, stream)
- char *valaddr;
- struct type *type;
- GDB_FILE *stream;
+print_floating (char *valaddr, struct type *type, struct ui_file *stream)
{
DOUBLEST doub;
int inv;
unsigned len = TYPE_LENGTH (type);
-#if defined (IEEE_FLOAT)
-
/* Check for NaN's. Note that this code does not depend on us being
on an IEEE conforming system. It only depends on the target
machine using IEEE representation. This means (a)
cross-debugging works right, and (2) IEEE_FLOAT can (and should)
- be defined for systems like the 68881, which uses IEEE
+ be non-zero for systems like the 68881, which uses IEEE
representation, but is not IEEE conforming. */
+ if (IEEE_FLOAT)
+ {
+ unsigned long low, high;
+ /* Is the sign bit 0? */
+ int nonnegative;
+ /* Is it is a NaN (i.e. the exponent is all ones and
+ the fraction is nonzero)? */
+ int is_nan;
+
+ /* For lint, initialize these two variables to suppress warning: */
+ low = high = nonnegative = 0;
+ if (len == 4)
+ {
+ /* It's single precision. */
+ /* Assume that floating point byte order is the same as
+ integer byte order. */
+ low = extract_unsigned_integer (valaddr, 4);
+ nonnegative = ((low & 0x80000000) == 0);
+ is_nan = ((((low >> 23) & 0xFF) == 0xFF)
+ && 0 != (low & 0x7FFFFF));
+ low &= 0x7fffff;
+ high = 0;
+ }
+ else if (len == 8)
+ {
+ /* It's double precision. Get the high and low words. */
- {
- unsigned long low, high;
- /* Is the sign bit 0? */
- int nonnegative;
- /* Is it is a NaN (i.e. the exponent is all ones and
- the fraction is nonzero)? */
- int is_nan;
-
- /* For lint, initialize these two variables to suppress warning: */
- low = high = nonnegative = 0;
- if (len == 4)
- {
- /* It's single precision. */
- /* Assume that floating point byte order is the same as
- integer byte order. */
- low = extract_unsigned_integer (valaddr, 4);
- nonnegative = ((low & 0x80000000) == 0);
- is_nan = ((((low >> 23) & 0xFF) == 0xFF)
- && 0 != (low & 0x7FFFFF));
- low &= 0x7fffff;
- high = 0;
- }
- else if (len == 8)
- {
- /* It's double precision. Get the high and low words. */
-
- /* Assume that floating point byte order is the same as
- integer byte order. */
- if (TARGET_BYTE_ORDER == BIG_ENDIAN)
- {
- low = extract_unsigned_integer (valaddr + 4, 4);
- high = extract_unsigned_integer (valaddr, 4);
- }
- else
- {
- low = extract_unsigned_integer (valaddr, 4);
- high = extract_unsigned_integer (valaddr + 4, 4);
- }
- nonnegative = ((high & 0x80000000) == 0);
- is_nan = (((high >> 20) & 0x7ff) == 0x7ff
- && !((((high & 0xfffff) == 0)) && (low == 0)));
- high &= 0xfffff;
- }
- else
- {
+ /* Assume that floating point byte order is the same as
+ integer byte order. */
+ if (TARGET_BYTE_ORDER == BIG_ENDIAN)
+ {
+ low = extract_unsigned_integer (valaddr + 4, 4);
+ high = extract_unsigned_integer (valaddr, 4);
+ }
+ else
+ {
+ low = extract_unsigned_integer (valaddr, 4);
+ high = extract_unsigned_integer (valaddr + 4, 4);
+ }
+ nonnegative = ((high & 0x80000000) == 0);
+ is_nan = (((high >> 20) & 0x7ff) == 0x7ff
+ && !((((high & 0xfffff) == 0)) && (low == 0)));
+ high &= 0xfffff;
+ }
+ else
+ {
#ifdef TARGET_ANALYZE_FLOATING
- TARGET_ANALYZE_FLOATING;
+ TARGET_ANALYZE_FLOATING;
#else
- /* Extended. We can't detect extended NaNs for this target.
- Also note that currently extendeds get nuked to double in
- REGISTER_CONVERTIBLE. */
- is_nan = 0;
+ /* Extended. We can't detect extended NaNs for this target.
+ Also note that currently extendeds get nuked to double in
+ REGISTER_CONVERTIBLE. */
+ is_nan = 0;
#endif
- }
-
- if (is_nan)
- {
- /* The meaning of the sign and fraction is not defined by IEEE.
- But the user might know what they mean. For example, they
- (in an implementation-defined manner) distinguish between
- signaling and quiet NaN's. */
- if (high)
- fprintf_filtered (stream, "-NaN(0x%lx%.8lx)" + !!nonnegative,
- high, low);
- else
- fprintf_filtered (stream, "-NaN(0x%lx)" + nonnegative, low);
- return;
- }
- }
-#endif /* IEEE_FLOAT. */
+ }
+
+ if (is_nan)
+ {
+ /* The meaning of the sign and fraction is not defined by IEEE.
+ But the user might know what they mean. For example, they
+ (in an implementation-defined manner) distinguish between
+ signaling and quiet NaN's. */
+ if (high)
+ fprintf_filtered (stream, "-NaN(0x%lx%.8lx)" + !!nonnegative,
+ high, low);
+ else
+ fprintf_filtered (stream, "-NaN(0x%lx)" + nonnegative, low);
+ return;
+ }
+ }
doub = unpack_double (type, valaddr, &inv);
if (inv)
}
void
-print_binary_chars (stream, valaddr, len)
- GDB_FILE *stream;
- unsigned char *valaddr;
- unsigned len;
+print_binary_chars (struct ui_file *stream, unsigned char *valaddr,
+ unsigned len)
{
#define BITS_IN_BYTES 8
unsigned char *p;
- int i;
+ unsigned int i;
int b;
/* Declared "int" so it will be signed.
* Print it in octal on stream or format it in buf.
*/
void
-print_octal_chars (stream, valaddr, len)
- GDB_FILE *stream;
- unsigned char *valaddr;
- unsigned len;
+print_octal_chars (struct ui_file *stream, unsigned char *valaddr, unsigned len)
{
unsigned char *p;
unsigned char octa1, octa2, octa3, carry;
* Print it in decimal on stream or format it in buf.
*/
void
-print_decimal_chars (stream, valaddr, len)
- GDB_FILE *stream;
- unsigned char *valaddr;
- unsigned len;
+print_decimal_chars (struct ui_file *stream, unsigned char *valaddr,
+ unsigned len)
{
#define TEN 10
#define TWO_TO_FOURTH 16
/* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */
static void
-print_hex_chars (stream, valaddr, len)
- GDB_FILE *stream;
- unsigned char *valaddr;
- unsigned len;
+print_hex_chars (struct ui_file *stream, unsigned char *valaddr, unsigned len)
{
unsigned char *p;
*/
void
-val_print_array_elements (type, valaddr, address, stream, format, deref_ref,
- recurse, pretty, i)
- struct type *type;
- char *valaddr;
- CORE_ADDR address;
- GDB_FILE *stream;
- int format;
- int deref_ref;
- int recurse;
- enum val_prettyprint pretty;
- unsigned int i;
+val_print_array_elements (struct type *type, char *valaddr, CORE_ADDR address,
+ struct ui_file *stream, int format, int deref_ref,
+ int recurse, enum val_prettyprint pretty,
+ unsigned int i)
{
unsigned int things_printed = 0;
unsigned len;
}
}
+/* 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. */
+
+/* FIXME: cagney/1999-10-14: Only used by val_print_string. Can this
+ function be eliminated. */
+
+static int
+partial_memory_read (CORE_ADDR memaddr, char *myaddr, int len, int *errnoptr)
+{
+ int nread; /* Number of bytes actually read. */
+ int errcode; /* Error from last read. */
+
+ /* First try a complete read. */
+ errcode = target_read_memory (memaddr, myaddr, len);
+ if (errcode == 0)
+ {
+ /* Got it all. */
+ nread = len;
+ }
+ else
+ {
+ /* 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 (errcode != 0)
+ {
+ nread--;
+ }
+ }
+ if (errnoptr != NULL)
+ {
+ *errnoptr = errcode;
+ }
+ return (nread);
+}
+
/* 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
/* FIXME: Use target_read_string. */
int
-val_print_string (addr, len, width, stream)
- CORE_ADDR addr;
- int len;
- int width;
- GDB_FILE *stream;
+val_print_string (CORE_ADDR addr, int len, int width, struct ui_file *stream)
{
int force_ellipsis = 0; /* Force ellipsis to be printed if nonzero. */
int errcode; /* Errno returned from bad reads. */
bufptr = buffer;
old_chain = make_cleanup (free, buffer);
- nfetch = target_read_memory_partial (addr, bufptr, len * width, &errcode)
+ nfetch = partial_memory_read (addr, bufptr, len * width, &errcode)
/ width;
addr += nfetch * width;
bufptr += nfetch * width;
bufsize += nfetch;
/* Read as much as we can. */
- nfetch = target_read_memory_partial (addr, bufptr, nfetch * width, &errcode)
+ nfetch = partial_memory_read (addr, bufptr, nfetch * width, &errcode)
/ width;
/* Scan this chunk for the null byte that terminates the string
/* ARGSUSED */
static void
-set_input_radix (args, from_tty, c)
- char *args;
- int from_tty;
- struct cmd_list_element *c;
+set_input_radix (char *args, int from_tty, struct cmd_list_element *c)
{
set_input_radix_1 (from_tty, *(unsigned *) c->var);
}
/* ARGSUSED */
static void
-set_input_radix_1 (from_tty, radix)
- int from_tty;
- unsigned radix;
+set_input_radix_1 (int from_tty, unsigned radix)
{
/* We don't currently disallow any input radix except 0 or 1, which don't
make any mathematical sense. In theory, we can deal with any input
/* ARGSUSED */
static void
-set_output_radix (args, from_tty, c)
- char *args;
- int from_tty;
- struct cmd_list_element *c;
+set_output_radix (char *args, int from_tty, struct cmd_list_element *c)
{
set_output_radix_1 (from_tty, *(unsigned *) c->var);
}
static void
-set_output_radix_1 (from_tty, radix)
- int from_tty;
- unsigned 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. */
the 'set input-radix' command. */
static void
-set_radix (arg, from_tty)
- char *arg;
- int from_tty;
+set_radix (char *arg, int from_tty)
{
unsigned radix;
/*ARGSUSED */
static void
-show_radix (arg, from_tty)
- char *arg;
- int from_tty;
+show_radix (char *arg, int from_tty)
{
if (from_tty)
{
/*ARGSUSED */
static void
-set_print (arg, from_tty)
- char *arg;
- int from_tty;
+set_print (char *arg, int from_tty)
{
printf_unfiltered (
"\"set print\" must be followed by the name of a print subcommand.\n");
/*ARGSUSED */
static void
-show_print (args, from_tty)
- char *args;
- int from_tty;
+show_print (char *args, int from_tty)
{
cmd_show_list (showprintlist, from_tty, "");
}
\f
void
-_initialize_valprint ()
+_initialize_valprint (void)
{
struct cmd_list_element *c;
projects / deliverable / binutils-gdb.git / blobdiff