/* Print values for GNU debugger GDB.
- Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
- 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+ Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
+ 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
Free Software Foundation, Inc.
This file is part of GDB.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
#include "defs.h"
#include "gdb_string.h"
printed as `0x1234 <symbol+offset>'. */
static unsigned int max_symbolic_offset = UINT_MAX;
+static void
+show_max_symbolic_offset (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c, const char *value)
+{
+ fprintf_filtered (file, _("\
+The largest offset that will be printed in <symbol+1234> form is %s.\n"),
+ value);
+}
/* Append the source filename and linenumber of the symbol when
printing a symbolic value as `<symbol at filename:linenum>' if set. */
static int print_symbol_filename = 0;
+static void
+show_print_symbol_filename (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c, const char *value)
+{
+ fprintf_filtered (file, _("\
+Printing of source filename and line number with <symbol> is %s.\n"),
+ value);
+}
/* Number of auto-display expression currently being displayed.
So that we can disable it if we get an error or a signal within it.
/* Prototypes for local functions. */
-static void delete_display (int);
-
-static void enable_display (char *, int);
-
-static void disable_display_command (char *, int);
-
-static void printf_command (char *, int);
-
-static void display_info (char *, int);
-
static void do_one_display (struct display *);
-
-static void undisplay_command (char *, int);
-
-static void free_display (struct display *);
-
-static void display_command (char *, int);
-
-void x_command (char *, int);
-
-static void address_info (char *, int);
-
-static void set_command (char *, int);
-
-static void call_command (char *, int);
-
-static void inspect_command (char *, int);
-
-static void print_command (char *, int);
-
-static void print_command_1 (char *, int, int);
-
-static void validate_format (struct format_data, char *);
-
-static void print_formatted (struct value *, int, int, struct ui_file *);
-
-static struct format_data decode_format (char **, int, int);
-
-static void sym_info (char *, int);
\f
/* Decode a format specification. *STRING_PTR should point to it.
else if (TARGET_PTR_BIT == 16)
val.size = osize ? 'h' : osize;
else
- /* Bad value for TARGET_PTR_BIT */
- internal_error (__FILE__, __LINE__, _("failed internal consistency check"));
+ /* Bad value for TARGET_PTR_BIT. */
+ internal_error (__FILE__, __LINE__,
+ _("failed internal consistency check"));
break;
case 'f':
/* Floating point has to be word or giantword. */
int len = TYPE_LENGTH (type);
if (VALUE_LVAL (val) == lval_memory)
- {
- next_address = VALUE_ADDRESS (val) + len;
- }
+ next_address = VALUE_ADDRESS (val) + len;
switch (format)
{
|| TYPE_CODE (type) == TYPE_CODE_STRUCT
|| TYPE_CODE (type) == TYPE_CODE_UNION
|| TYPE_CODE (type) == TYPE_CODE_NAMESPACE)
- /* If format is 0, use the 'natural' format for
- * that type of value. If the type is non-scalar,
- * we have to use language rules to print it as
- * a series of scalars.
- */
+ /* If format is 0, use the 'natural' format for that type of
+ value. If the type is non-scalar, we have to use language
+ rules to print it as a series of scalars. */
value_print (val, stream, format, Val_pretty_default);
else
- /* User specified format, so don't look to the
- * the type to tell us what to do.
- */
+ /* User specified format, so don't look to the the type to
+ tell us what to do. */
print_scalar_formatted (value_contents (val), type,
format, size, stream);
}
case 'x':
if (!size)
{
- /* no size specified, like in print. Print varying # of digits. */
+ /* No size specified, like in print. Print varying # of digits. */
print_longest (stream, 'x', 1, val_long);
}
else
break;
case 0:
- internal_error (__FILE__, __LINE__, _("failed internal consistency check"));
+ internal_error (__FILE__, __LINE__,
+ _("failed internal consistency check"));
case 't':
/* Binary; 't' stands for "two". */
}
/* Specify default address for `x' command.
- `info lines' uses this. */
+ The `info lines' command uses this. */
void
set_next_address (CORE_ADDR addr)
settings of the demangle and asm_demangle variables. */
void
-print_address_symbolic (CORE_ADDR addr, struct ui_file *stream, int do_demangle,
- char *leadin)
+print_address_symbolic (CORE_ADDR addr, struct ui_file *stream,
+ int do_demangle, char *leadin)
{
char *name = NULL;
char *filename = NULL;
int offset = 0;
int line = 0;
- /* throw away both name and filename */
+ /* Throw away both name and filename. */
struct cleanup *cleanup_chain = make_cleanup (free_current_contents, &name);
make_cleanup (free_current_contents, &filename);
- if (build_address_symbolic (addr, do_demangle, &name, &offset, &filename, &line, &unmapped))
+ if (build_address_symbolic (addr, do_demangle, &name, &offset,
+ &filename, &line, &unmapped))
{
do_cleanups (cleanup_chain);
return;
asection *section = 0;
char *name_temp = "";
- /* Let's say it is unmapped. */
+ /* Let's say it is unmapped. */
*unmapped = 0;
/* Determine if the address is in an overlay, and whether it is
- mapped. */
+ mapped. */
if (overlay_debugging)
{
section = find_pc_overlay (addr);
or not. */
void
-print_address_demangle (CORE_ADDR addr, struct ui_file *stream, int do_demangle)
+print_address_demangle (CORE_ADDR addr, struct ui_file *stream,
+ int do_demangle)
{
if (addr == 0)
{
fmt.format, cmdname);
}
-/* Evaluate string EXP as an expression in the current language and
+/* Evaluate string EXP as an expression in the current language and
print the resulting value. EXP may contain a format specifier as the
- first argument ("/x myvar" for example, to print myvar in hex).
- */
+ first argument ("/x myvar" for example, to print myvar in hex). */
static void
print_command_1 (char *exp, int inspect, int voidprint)
struct format_data fmt;
int cleanup = 0;
- /* Pass inspect flag to the rest of the print routines in a global (sigh). */
+ /* Pass inspect flag to the rest of the print routines in a global
+ (sigh). */
inspect_it = inspect;
if (exp && *exp == '/')
annotate_value_begin (value_type (val));
if (inspect)
- printf_unfiltered ("\031(gdb-makebuffer \"%s\" %d '(\"", exp, histindex);
+ printf_unfiltered ("\031(gdb-makebuffer \"%s\" %d '(\"",
+ exp, histindex);
else if (histindex >= 0)
printf_filtered ("$%d = ", histindex);
if (cleanup)
do_cleanups (old_chain);
- inspect_it = 0; /* Reset print routines to normal */
+ inspect_it = 0; /* Reset print routines to normal. */
}
static void
print_command_1 (exp, 0, 1);
}
-/* Same as print, except in epoch, it gets its own window */
+/* Same as print, except in epoch, it gets its own window. */
static void
inspect_command (char *exp, int from_tty)
{
print_command_1 (exp, epoch_interface, 1);
}
-/* Same as print, except it doesn't print void results. */
+/* Same as print, except it doesn't print void results. */
static void
call_command (char *exp, int from_tty)
{
struct value *val;
struct format_data fmt;
+ fmt.size = 0;
+
if (exp && *exp == '/')
{
exp++;
addr = parse_and_eval_address (arg);
ALL_OBJSECTIONS (objfile, osect)
{
+ /* Only process each object file once, even if there's a separate
+ debug file. */
+ if (objfile->separate_debug_objfile_backlink)
+ continue;
+
sect = osect->the_bfd_section;
sect_addr = overlay_mapped_address (addr, sect);
break;
case LOC_REGPARM_ADDR:
- printf_filtered (_("address of an argument in register %s"), REGISTER_NAME (val));
+ printf_filtered (_("address of an argument in register %s"),
+ REGISTER_NAME (val));
break;
case LOC_ARG:
case LOC_BLOCK:
printf_filtered (_("a function at address "));
- deprecated_print_address_numeric (load_addr = BLOCK_START (SYMBOL_BLOCK_VALUE (sym)),
- 1, gdb_stdout);
+ load_addr = BLOCK_START (SYMBOL_BLOCK_VALUE (sym));
+ deprecated_print_address_numeric (load_addr, 1, gdb_stdout);
if (section_is_overlay (section))
{
load_addr = overlay_unmapped_address (load_addr, section);
{
section = SYMBOL_BFD_SECTION (msym);
printf_filtered (_("static storage at address "));
- deprecated_print_address_numeric (load_addr = SYMBOL_VALUE_ADDRESS (msym),
- 1, gdb_stdout);
+ load_addr = SYMBOL_VALUE_ADDRESS (msym);
+ deprecated_print_address_numeric (load_addr, 1, gdb_stdout);
if (section_is_overlay (section))
{
load_addr = overlay_unmapped_address (load_addr, section);
break;
case LOC_HP_THREAD_LOCAL_STATIC:
- printf_filtered (
- "a thread-local variable at offset %ld from the thread base register %s",
- val, REGISTER_NAME (basereg));
+ printf_filtered (_("\
+a thread-local variable at offset %ld from the thread base register %s"),
+ val, REGISTER_NAME (basereg));
break;
case LOC_OPTIMIZED_OUT:
printf_filtered (".\n");
}
\f
-void
+
+static void
x_command (char *exp, int from_tty)
{
struct expression *expr;
if (exp != 0 && *exp != 0)
{
expr = parse_expression (exp);
- /* Cause expression not to be there any more
- if this command is repeated with Newline.
- But don't clobber a user-defined command's definition. */
+ /* Cause expression not to be there any more if this command is
+ repeated with Newline. But don't clobber a user-defined
+ command's definition. */
if (from_tty)
*exp = 0;
old_chain = make_cleanup (free_current_contents, &expr);
do_examine (fmt, next_address);
- /* If the examine succeeds, we remember its size and format for next time. */
+ /* If the examine succeeds, we remember its size and format for next
+ time. */
last_size = fmt.size;
last_format = fmt.format;
value_from_pointer (pointer_type,
last_examine_address));
- /* Make contents of last address examined available to the user as $__. */
- /* If the last value has not been fetched from memory then don't
- fetch it now - instead mark it by voiding the $__ variable. */
+ /* Make contents of last address examined available to the user
+ as $__. If the last value has not been fetched from memory
+ then don't fetch it now; instead mark it by voiding the $__
+ variable. */
if (value_lazy (last_examine_value))
set_internalvar (lookup_internalvar ("__"),
allocate_value (builtin_type_void));
xfree (d);
}
-/* Clear out the display_chain.
- Done when new symtabs are loaded, since this invalidates
- the types stored in many expressions. */
+/* Clear out the display_chain. Done when new symtabs are loaded,
+ since this invalidates the types stored in many expressions. */
void
clear_displays (void)
if (current_display_number >= 0)
{
disable_display (current_display_number);
- fprintf_unfiltered (gdb_stderr, "Disabling display %d to avoid infinite recursion.\n",
+ fprintf_unfiltered (gdb_stderr, _("\
+Disabling display %d to avoid infinite recursion.\n"),
current_display_number);
}
current_display_number = -1;
}
\f
-/* Print the value in stack frame FRAME of a variable
- specified by a struct symbol. */
+/* Print the value in stack frame FRAME of a variable specified by a
+ struct symbol. */
void
print_variable_value (struct symbol *var, struct frame_info *frame,
int allocated_args = 20;
struct cleanup *old_cleanups;
- val_args = (struct value **) xmalloc (allocated_args
- * sizeof (struct value *));
+ val_args = xmalloc (allocated_args * sizeof (struct value *));
old_cleanups = make_cleanup (free_current_contents, &val_args);
if (s == 0)
while (*s == ' ' || *s == '\t')
s++;
- /* A format string should follow, enveloped in double quotes */
+ /* A format string should follow, enveloped in double quotes. */
if (*s++ != '"')
error (_("Bad format string, missing '\"'."));
enum argclass
{
- no_arg, int_arg, string_arg, double_arg, long_long_arg
+ int_arg, long_arg, long_long_arg, ptr_arg, string_arg,
+ double_arg, long_double_arg
};
enum argclass *argclass;
enum argclass this_argclass;
char *last_arg;
int nargs_wanted;
- int lcount;
int i;
argclass = (enum argclass *) alloca (strlen (s) * sizeof *argclass);
while (*f)
if (*f++ == '%')
{
- lcount = 0;
- while (strchr ("0123456789.hlL-+ #", *f))
+ int seen_hash = 0, seen_zero = 0, lcount = 0, seen_prec = 0;
+ int seen_space = 0, seen_plus = 0;
+ int seen_big_l = 0, seen_h = 0;
+ int bad = 0;
+
+ /* Check the validity of the format specifier, and work
+ out what argument it expects. We only accept C89
+ format strings, with the exception of long long (which
+ we autoconf for). */
+
+ /* Skip over "%%". */
+ if (*f == '%')
+ {
+ f++;
+ continue;
+ }
+
+ /* The first part of a format specifier is a set of flag
+ characters. */
+ while (strchr ("0-+ #", *f))
+ {
+ if (*f == '#')
+ seen_hash = 1;
+ else if (*f == '0')
+ seen_zero = 1;
+ else if (*f == ' ')
+ seen_space = 1;
+ else if (*f == '+')
+ seen_plus = 1;
+ f++;
+ }
+
+ /* The next part of a format specifier is a width. */
+ while (strchr ("0123456789", *f))
+ f++;
+
+ /* The next part of a format specifier is a precision. */
+ if (*f == '.')
+ {
+ seen_prec = 1;
+ f++;
+ while (strchr ("0123456789", *f))
+ f++;
+ }
+
+ /* The next part of a format specifier is a length modifier. */
+ if (*f == 'h')
+ {
+ seen_h = 1;
+ f++;
+ }
+ else if (*f == 'l')
+ {
+ f++;
+ lcount++;
+ if (*f == 'l')
+ {
+ f++;
+ lcount++;
+ }
+ }
+ else if (*f == 'L')
{
- if (*f == 'l' || *f == 'L')
- lcount++;
+ seen_big_l = 1;
f++;
}
+
switch (*f)
{
+ case 'u':
+ if (seen_hash)
+ bad = 1;
+ /* FALLTHROUGH */
+
+ case 'o':
+ case 'x':
+ case 'X':
+ if (seen_space || seen_plus)
+ bad = 1;
+ /* FALLTHROUGH */
+
+ case 'd':
+ case 'i':
+ if (lcount == 0)
+ this_argclass = int_arg;
+ else if (lcount == 1)
+ this_argclass = long_arg;
+ else
+ this_argclass = long_long_arg;
+
+ if (seen_big_l)
+ bad = 1;
+ break;
+
+ case 'c':
+ this_argclass = int_arg;
+ if (lcount || seen_h || seen_big_l)
+ bad = 1;
+ if (seen_prec || seen_zero || seen_space || seen_plus)
+ bad = 1;
+ break;
+
+ case 'p':
+ this_argclass = ptr_arg;
+ if (lcount || seen_h || seen_big_l)
+ bad = 1;
+ if (seen_prec || seen_zero || seen_space || seen_plus)
+ bad = 1;
+ break;
+
case 's':
this_argclass = string_arg;
+ if (lcount || seen_h || seen_big_l)
+ bad = 1;
+ if (seen_zero || seen_space || seen_plus)
+ bad = 1;
break;
case 'e':
case 'f':
case 'g':
- this_argclass = double_arg;
+ case 'E':
+ case 'G':
+ if (seen_big_l)
+ this_argclass = long_double_arg;
+ else
+ this_argclass = double_arg;
+
+ if (lcount || seen_h)
+ bad = 1;
break;
case '*':
case 'n':
error (_("Format specifier `n' not supported in printf"));
- case '%':
- this_argclass = no_arg;
- break;
+ case '\0':
+ error (_("Incomplete format specifier at end of format string"));
default:
- if (lcount > 1)
- this_argclass = long_long_arg;
- else
- this_argclass = int_arg;
- break;
+ error (_("Unrecognized format specifier '%c' in printf"), *f);
}
+
+ if (bad)
+ error (_("Inappropriate modifiers to format specifier '%c' in printf"),
+ *f);
+
f++;
- if (this_argclass != no_arg)
- {
- strncpy (current_substring, last_arg, f - last_arg);
- current_substring += f - last_arg;
- *current_substring++ = '\0';
- last_arg = f;
- argclass[nargs_wanted++] = this_argclass;
- }
+ strncpy (current_substring, last_arg, f - last_arg);
+ current_substring += f - last_arg;
+ *current_substring++ = '\0';
+ last_arg = f;
+ argclass[nargs_wanted++] = this_argclass;
}
/* Now, parse all arguments and evaluate them.
{
case string_arg:
{
- char *str;
+ gdb_byte *str;
CORE_ADDR tem;
int j;
tem = value_as_address (val_args[i]);
/* This is a %s argument. Find the length of the string. */
for (j = 0;; j++)
{
- char c;
+ gdb_byte c;
QUIT;
read_memory (tem + j, &c, 1);
if (c == 0)
}
/* Copy the string contents into a string inside GDB. */
- str = (char *) alloca (j + 1);
+ str = (gdb_byte *) alloca (j + 1);
if (j != 0)
read_memory (tem, str, j);
str[j] = 0;
- printf_filtered (current_substring, str);
+ printf_filtered (current_substring, (char *) str);
}
break;
case double_arg:
printf_filtered (current_substring, val);
break;
}
+ case long_double_arg:
+#ifdef HAVE_LONG_DOUBLE
+ {
+ long double val = value_as_double (val_args[i]);
+ printf_filtered (current_substring, val);
+ break;
+ }
+#else
+ error (_("long double not supported in printf"));
+#endif
case long_long_arg:
#if defined (CC_HAS_LONG_LONG) && defined (PRINTF_HAS_LONG_LONG)
{
#endif
case int_arg:
{
- /* FIXME: there should be separate int_arg and long_arg. */
+ int val = value_as_long (val_args[i]);
+ printf_filtered (current_substring, val);
+ break;
+ }
+ case long_arg:
+ {
long val = value_as_long (val_args[i]);
printf_filtered (current_substring, val);
break;
}
- default: /* purecov: deadcode */
- error (_("internal error in printf_command")); /* purecov: deadcode */
+ default:
+ internal_error (__FILE__, __LINE__,
+ _("failed internal consitency check"));
}
/* Skip to the next substring. */
current_substring += strlen (current_substring) + 1;
environment, the value is printed in its own window."));
set_cmd_completer (c, location_completer);
- deprecated_add_show_from_set
- (add_set_cmd ("max-symbolic-offset", no_class, var_uinteger,
- (char *) &max_symbolic_offset,
- "Set the largest offset that will be printed in <symbol+1234> form.",
- &setprintlist),
- &showprintlist);
- deprecated_add_show_from_set
- (add_set_cmd ("symbol-filename", no_class, var_boolean,
- (char *) &print_symbol_filename, "\
-Set printing of source filename and line number with <symbol>.",
- &setprintlist),
- &showprintlist);
+ add_setshow_uinteger_cmd ("max-symbolic-offset", no_class,
+ &max_symbolic_offset, _("\
+Set the largest offset that will be printed in <symbol+1234> form."), _("\
+Show the largest offset that will be printed in <symbol+1234> form."), NULL,
+ NULL,
+ show_max_symbolic_offset,
+ &setprintlist, &showprintlist);
+ add_setshow_boolean_cmd ("symbol-filename", no_class,
+ &print_symbol_filename, _("\
+Set printing of source filename and line number with <symbol>."), _("\
+Show printing of source filename and line number with <symbol>."), NULL,
+ NULL,
+ show_print_symbol_filename,
+ &setprintlist, &showprintlist);
/* For examine/instruction a single byte quantity is specified as
the data. This avoids problems with value_at_lazy() requiring a
projects / deliverable / binutils-gdb.git / blobdiff