/* 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.
case 'a':
case 's':
/* Pick the appropriate size for an address. */
- if (TARGET_PTR_BIT == 64)
+ if (gdbarch_ptr_bit (current_gdbarch) == 64)
val.size = osize ? 'g' : osize;
- else if (TARGET_PTR_BIT == 32)
+ else if (gdbarch_ptr_bit (current_gdbarch) == 32)
val.size = osize ? 'w' : osize;
- else if (TARGET_PTR_BIT == 16)
+ else if (gdbarch_ptr_bit (current_gdbarch) == 16)
val.size = osize ? 'h' : osize;
else
- /* Bad value for TARGET_PTR_BIT */
- internal_error (__FILE__, __LINE__, _("failed internal consistency check"));
+ /* Bad value for gdbarch_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)
{
value_free (last_examine_value);
/* The value to be displayed is not fetched greedily.
- Instead, to avoid the posibility of a fetched value not
- being used, its retreval is delayed until the print code
+ Instead, to avoid the possibility of a fetched value not
+ being used, its retrieval is delayed until the print code
uses it. When examining an instruction stream, the
disassembler will perform its own memory fetch using just
the address stored in LAST_EXAMINE_VALUE. FIXME: Should
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_REGISTER:
- printf_filtered (_("a variable in register %s"), REGISTER_NAME (val));
+ printf_filtered (_("a variable in register %s"),
+ gdbarch_register_name (current_gdbarch, val));
break;
case LOC_STATIC:
break;
case LOC_REGPARM:
- printf_filtered (_("an argument in register %s"), REGISTER_NAME (val));
+ printf_filtered (_("an argument in register %s"),
+ gdbarch_register_name (current_gdbarch, val));
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"),
+ gdbarch_register_name (current_gdbarch, val));
break;
case LOC_ARG:
case LOC_BASEREG:
printf_filtered (_("a variable at offset %ld from register %s"),
- val, REGISTER_NAME (basereg));
+ val, gdbarch_register_name (current_gdbarch, basereg));
break;
case LOC_BASEREG_ARG:
printf_filtered (_("an argument at offset %ld from register %s"),
- val, REGISTER_NAME (basereg));
+ val, gdbarch_register_name (current_gdbarch, basereg));
break;
case LOC_TYPEDEF:
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, gdbarch_register_name (current_gdbarch, 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)
val = evaluate_expression (d->exp);
addr = value_as_address (val);
if (d->format.format == 'i')
- addr = ADDR_BITS_REMOVE (addr);
+ addr = gdbarch_addr_bits_remove (current_gdbarch, addr);
annotate_display_value ();
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 == '%')
{
- if (*f == 'l' || *f == 'L')
- lcount++;
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')
+ {
+ 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