binutils-gdb/gdb/printcmd.c

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/* Print values for GNU debugger GDB.
Copyright 1986, 1987, 1988, 1989, 1990, 1991 Free Software Foundation, Inc.
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This file is part of GDB.
This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "defs.h"
#include <string.h>
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#include "frame.h"
#include "symtab.h"
#include "gdbtypes.h"
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#include "value.h"
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#include "language.h"
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#include "expression.h"
#include "gdbcore.h"
#include "gdbcmd.h"
#include "target.h"
#include "breakpoint.h"
#include "demangle.h"
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/* These are just for containing_function_bounds. It might be better
to move containing_function_bounds to blockframe.c or thereabouts. */
#include "bfd.h"
#include "symfile.h"
#include "objfiles.h"
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extern int asm_demangle; /* Whether to demangle syms in asm printouts */
extern int addressprint; /* Whether to print hex addresses in HLL " */
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struct format_data
{
int count;
char format;
char size;
};
/* Last specified output format. */
static char last_format = 'x';
/* Last specified examination size. 'b', 'h', 'w' or `q'. */
static char last_size = 'w';
/* Default address to examine next. */
static CORE_ADDR next_address;
/* Last address examined. */
static CORE_ADDR last_examine_address;
/* Contents of last address examined.
This is not valid past the end of the `x' command! */
static value last_examine_value;
/* Largest offset between a symbolic value and an address, that will be
printed as `0x1234 <symbol+offset>'. */
static unsigned int max_symbolic_offset = UINT_MAX;
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/* Number of auto-display expression currently being displayed.
So that we can disable it if we get an error or a signal within it.
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-1 when not doing one. */
int current_display_number;
/* Flag to low-level print routines that this value is being printed
in an epoch window. We'd like to pass this as a parameter, but
every routine would need to take it. Perhaps we can encapsulate
this in the I/O stream once we have GNU stdio. */
int inspect_it = 0;
struct display
{
/* Chain link to next auto-display item. */
struct display *next;
/* Expression to be evaluated and displayed. */
struct expression *exp;
/* Item number of this auto-display item. */
int number;
/* Display format specified. */
struct format_data format;
/* Innermost block required by this expression when evaluated */
struct block *block;
/* Status of this display (enabled or disabled) */
enum enable status;
};
/* Chain of expressions whose values should be displayed
automatically each time the program stops. */
static struct display *display_chain;
static int display_number;
/* Prototypes for local functions */
static void
delete_display PARAMS ((int));
static void
enable_display PARAMS ((char *, int));
static void
disable_display_command PARAMS ((char *, int));
static void
disassemble_command PARAMS ((char *, int));
static int
containing_function_bounds PARAMS ((CORE_ADDR, CORE_ADDR *, CORE_ADDR *));
static void
printf_command PARAMS ((char *, int));
static void
print_frame_nameless_args PARAMS ((struct frame_info *, long, int, int,
FILE *));
static void
display_info PARAMS ((char *, int));
static void
do_one_display PARAMS ((struct display *));
static void
undisplay_command PARAMS ((char *, int));
static void
free_display PARAMS ((struct display *));
static void
display_command PARAMS ((char *, int));
static void
x_command PARAMS ((char *, int));
static void
address_info PARAMS ((char *, int));
static void
set_command PARAMS ((char *, int));
static void
output_command PARAMS ((char *, int));
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static void
call_command PARAMS ((char *, int));
static void
inspect_command PARAMS ((char *, int));
static void
print_command PARAMS ((char *, int));
static void
print_command_1 PARAMS ((char *, int, int));
static void
validate_format PARAMS ((struct format_data, char *));
static void
do_examine PARAMS ((struct format_data, CORE_ADDR));
static void
print_formatted PARAMS ((value, int, int));
static struct format_data
decode_format PARAMS ((char **, int, int));
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/* Decode a format specification. *STRING_PTR should point to it.
OFORMAT and OSIZE are used as defaults for the format and size
if none are given in the format specification.
If OSIZE is zero, then the size field of the returned value
should be set only if a size is explicitly specified by the
user.
The structure returned describes all the data
found in the specification. In addition, *STRING_PTR is advanced
past the specification and past all whitespace following it. */
static struct format_data
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decode_format (string_ptr, oformat, osize)
char **string_ptr;
int oformat;
int osize;
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{
struct format_data val;
register char *p = *string_ptr;
val.format = '?';
val.size = '?';
val.count = 1;
if (*p >= '0' && *p <= '9')
val.count = atoi (p);
while (*p >= '0' && *p <= '9') p++;
/* Now process size or format letters that follow. */
while (1)
{
if (*p == 'b' || *p == 'h' || *p == 'w' || *p == 'g')
val.size = *p++;
#ifdef CC_HAS_LONG_LONG
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else if (*p == 'l')
{
val.size = 'g';
p++;
}
#endif
else if (*p >= 'a' && *p <= 'z')
val.format = *p++;
else
break;
}
#ifndef CC_HAS_LONG_LONG
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/* Make sure 'g' size is not used on integer types.
Well, actually, we can handle hex. */
if (val.size == 'g' && val.format != 'f' && val.format != 'x')
val.size = 'w';
#endif
while (*p == ' ' || *p == '\t') p++;
*string_ptr = p;
/* Set defaults for format and size if not specified. */
if (val.format == '?')
{
if (val.size == '?')
{
/* Neither has been specified. */
val.format = oformat;
val.size = osize;
}
else
/* If a size is specified, any format makes a reasonable
default except 'i'. */
val.format = oformat == 'i' ? 'x' : oformat;
}
else if (val.size == '?')
switch (val.format)
{
case 'a':
case 's':
/* Addresses must be words. */
val.size = osize ? 'w' : osize;
break;
case 'f':
/* Floating point has to be word or giantword. */
if (osize == 'w' || osize == 'g')
val.size = osize;
else
/* Default it to giantword if the last used size is not
appropriate. */
val.size = osize ? 'g' : osize;
break;
case 'c':
/* Characters default to one byte. */
val.size = osize ? 'b' : osize;
break;
default:
/* The default is the size most recently specified. */
val.size = osize;
}
return val;
}
/* Print value VAL on stdout according to FORMAT, a letter or 0.
Do not end with a newline.
0 means print VAL according to its own type.
SIZE is the letter for the size of datum being printed.
This is used to pad hex numbers so they line up. */
static void
print_formatted (val, format, size)
register value val;
register int format;
int size;
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{
int len = TYPE_LENGTH (VALUE_TYPE (val));
if (VALUE_LVAL (val) == lval_memory)
next_address = VALUE_ADDRESS (val) + len;
switch (format)
{
case 's':
next_address = VALUE_ADDRESS (val)
+ value_print (value_addr (val), stdout, format, Val_pretty_default);
break;
case 'i':
/* The old comment says
"Force output out, print_insn not using _filtered".
I'm not completely sure what that means, I suspect most print_insn
now do use _filtered, so I guess it's obsolete. */
/* We often wrap here if there are long symbolic names. */
wrap_here ("\t");
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next_address = VALUE_ADDRESS (val)
+ print_insn (VALUE_ADDRESS (val), stdout);
break;
default:
if (format == 0
|| TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_ARRAY
|| TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_STRING
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|| TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_STRUCT
|| TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_UNION
|| VALUE_REPEATED (val))
value_print (val, stdout, format, Val_pretty_default);
else
print_scalar_formatted (VALUE_CONTENTS (val), VALUE_TYPE (val),
format, size, stdout);
}
}
/* Print a scalar of data of type TYPE, pointed to in GDB by VALADDR,
according to letters FORMAT and SIZE on STREAM.
FORMAT may not be zero. Formats s and i are not supported at this level.
This is how the elements of an array or structure are printed
with a format. */
void
print_scalar_formatted (valaddr, type, format, size, stream)
char *valaddr;
struct type *type;
int format;
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int size;
FILE *stream;
{
LONGEST val_long;
int len = TYPE_LENGTH (type);
if (size == 'g' && sizeof (LONGEST) < 8
&& format == 'x')
{
/* ok, we're going to have to get fancy here. Assumption: a
long is four bytes. FIXME. */
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unsigned long v1, v2;
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v1 = unpack_long (builtin_type_long, valaddr);
v2 = unpack_long (builtin_type_long, valaddr + 4);
#if TARGET_BYTE_ORDER == LITTLE_ENDIAN
/* Swap the two for printing */
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{
unsigned long tmp;
tmp = v1;
v1 = v2;
v2 = tmp;
}
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#endif
switch (format)
{
case 'x':
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fprintf_filtered (stream, local_hex_format_custom("08x%08"), v1, v2);
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break;
default:
error ("Output size \"g\" unimplemented for format \"%c\".",
format);
}
return;
}
val_long = unpack_long (type, valaddr);
/* If value is unsigned, truncate it in case negative. */
if (format != 'd')
{
if (len == sizeof (char))
val_long &= (1 << 8 * sizeof(char)) - 1;
else if (len == sizeof (short))
val_long &= (1 << 8 * sizeof(short)) - 1;
else if (len == sizeof (long))
val_long &= (unsigned long) - 1;
}
switch (format)
{
case 'x':
if (!size)
{
/* no size specified, like in print. Print varying # of digits. */
print_longest (stream, 'x', 1, val_long);
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}
else
switch (size)
{
case 'b':
case 'h':
case 'w':
case 'g':
print_longest (stream, size, 1, val_long);
break;
default:
error ("Undefined output size \"%c\".", size);
}
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break;
case 'd':
print_longest (stream, 'd', 1, val_long);
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break;
case 'u':
print_longest (stream, 'u', 0, val_long);
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break;
case 'o':
if (val_long)
print_longest (stream, 'o', 1, val_long);
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else
fprintf_filtered (stream, "0");
break;
case 'a':
print_address (unpack_pointer (type, valaddr), stream);
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break;
case 'c':
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value_print (value_from_longest (builtin_type_char, val_long), stream, 0,
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Val_pretty_default);
break;
case 'f':
if (len == sizeof (float))
type = builtin_type_float;
else if (len == sizeof (double))
type = builtin_type_double;
print_floating (valaddr, type, stream);
break;
case 0:
abort ();
case 't':
/* Binary; 't' stands for "two". */
{
char bits[8*(sizeof val_long) + 1];
char *cp = bits;
int width;
if (!size)
width = 8*(sizeof val_long);
else
switch (size)
{
case 'b':
width = 8;
break;
case 'h':
width = 16;
break;
case 'w':
width = 32;
break;
case 'g':
width = 64;
break;
default:
error ("Undefined output size \"%c\".", size);
}
bits[width] = '\0';
while (width-- > 0)
{
bits[width] = (val_long & 1) ? '1' : '0';
val_long >>= 1;
}
if (!size)
{
while (*cp && *cp == '0')
cp++;
if (*cp == '\0')
cp--;
}
* Makefile.in (VERSION): Bump to 4.7.4. * Makefile.in (SFILES_MAINDIR): Add typeprint.c, c-typeprint.c, m2-typeprint.c, c-valprint.c cp-valprint.c m2-valprint.c. * Makefile.in (HFILES): Add valprint.h. * Makefile.in (OBS): Add typeprint.o, c-typeprint.o, m2-typeprint.o, c-valprint.o, cp-valprint.o m2-valprint.o. * typeprint.c, typeprint.h: New files for language independent type printing functions. * c-typeprint.c, m2-typeprint.c: New files for language dependent type printing functions and definitions. * valprint.h: New include file for language independent value printing definitions. * c-valprint.c, cp-valprint.c, m2-valprint.c: New files for language dependent value printing functions. * c-exp.y (production ptype): Add range_type variable and use new create_range_type function. * c-exp.y (tokentab2, tokentab3), c-lang.c (c_op_print_tab), infcmd.c (path_var_name), language.c (unk_op_print_tab), m2-lang.c (m2_op_print_tab): Change from ANSI-obsolescent "const static" to ANSI-conformant "static const". * c-exp.y (c_create_fundamental_type): Remove unused nbytes. * c-exp.y (c_language_defn, cplus_language_defn): Add c_print_type, and c_val_print. * c-lang.h (c_print_type, c_val_print): Add prototypes. * coffread.c (decode_type): Add range_type variable and call to new create_range_type function. * complaints.c (complain): Remove unused val variable. * complaints.c (_initialize_complaints): Make it void. * convex-tdep.c (value_of_trapped_internalvar): Add range_type variable and call new create_range_type function. * defs.h (enum val_prettyprint): Move enum from value.h to here so we can avoid having to include value.h just for prototypes that need the enum (thanks ANSI). * dwarfread.c (struct_type): Local anonymous_size variable is only used if !BITS_BIG_ENDIAN. * dwarfread.c (decode_subscript_data_item): Add rangetype variable and call new create_range_type function. * elfread.c (elf_symfile_read): Remove unused dbx and text_sect variables. * eval.c (evaluate_subexp): Remove unused local variable name and the statement with no side effects that initializes it. * expprint.c (print_subexp): Change local_printstr to LA_PRINT_STRING. * gdbtypes.c (create_range_type): New function that creates a range type using code fragments from object file readers as an example of what has to be initialized. * gdbtypes.c (create_array_type): Removed index_type, low_bound, and high_bound parameters, replaced with a single range_type parameter. Change function body to use passed in range_type rather than handcrafting one. * gdbtypes.h (create_range_type): Add prototype. * gdbtypes.h (create_array_type): Change prototype parameters. * infrun.c (normal_stop): Remove unused local variables tem and c. * infrun.c (hook_stop_stub): Return 0 rather than random value. * language.c (unk_lang_print_type, unk_lang_val_print): Add stub functions that call error if called. * language.c (unknown_language_defn, auto_language_defn, local_language_defn): Add initializers unk_lang_print_type and unk_lang_val_print. * language.h (struct language_defn): Reformat for larger comments, add la_print_type and la_val_print members. Add LA_PRINT_TYPE and LA_VAL_PRINT macros. Change local_printchar to LA_PRINT_CHAR and local_printstr to LA_PRINT_STRING. * m2-lang.c (m2_create_fundamental_type): Remove unused local variable nbytes. * m2-lang.c (m2_language_defn): Add initializers m2_print_type and m2_val_print. * m2-lang.h (m2_print_type, m2_val_print): Add prototypes. * main.c (execute_command): Remove unused local variable cmdlines. * main.c (echo_command), stabsread.c (read_type), printcmd.c (clear_displays), symmisc.c (block_depth), values.c (clear_value_history): Make testing of truth value of assignment result explicit. * mipsread.c (upgrade_type): Update FIXME to include future use of create_range_type. * printcmd.c (ptype_command, ptype_eval, whatis_command, whatis_exp, maintenance_print_type): Move prototypes and functions to new typeprint.c. * printcmd.c (_initialize_printcmd): Move add_com calls for ptype_command and whatis_command to new typeprint.c. * ser-bsd.c (serial_open): Remove unused variable sgttyb. * source.c (find_source_lines): Local variable c only used when LSEEK_NOT_LINEAR is defined. * stabsread.c (read_array_type): Use new create_range_type function. * stabsread.c (read_range_type): Add new index_type variable and call new create_range_type function rather than handcrafting range types. * symmisc.c (type_print_1): Change usages to LA_PRINT_TYPE. * symtab.c (typedef_print usages): Use c_typedef_print, renamed. * symtab.c (type_print_base usages): Use c_type_print_base. * symtab.c (type_print_varspec_prefix usages): Use c_type_print_varspec_prefix. * symtab.c (type_print_method_args usages): Use cp_type_print_method_args. * valprint.c: Completely ripped apart and the fragments used to create c-valprint.c, cp-valprint.c, m2-valprint.c, and valprint.h. Remaining stuff is language independent. * value.h (struct fn_field): Forward declare for prototypes. * value.h (type_print_1): Remove prototype. * value.h (enum val_prettyprint): Moved to defs.h. * value.h (typedef_print): Prototype renamed to c_typedef_print. * value.h (baseclass_offset): Add prototype. **** start-sanitize-chill **** * Makefile.in (SFILES_MAINDIR): Add ch-typeprint.c, ch-valprint.c. * Makefile.in (OBS): Add ch-typeprint.o, ch-valprint.o. * ch-typeprint.c: New file for language dependent type printing. * ch-valprint.c: New file for language dependent value printing. * ch-exp.y (parse_number): Remove prototype and stub function. * ch-exp.y (decode_integer_literal): Removed unused digits and temp variables. * ch-exp.y (convert_float): Completely ifdef out for now. * ch-exp.y (tokentab2, tokentab3, tokentab4, tokentab5), ch-lang.c (chill_op_print_tab): Change from ANSI-obsolescent "const static" to ANSI-conformant "static const". * ch-exp.y (yylex): Add unhandled storage class enumeration literals to switch statement for completeness. * ch-lang.c (chill_create_fundamental_types): Remove unused nbytes variable. Change dummy type to 2 bytes to match int. Handle FT_VOID types gratuituously added to chill DWARF by compiler. Change FT_CHAR case to generate an TYPE_CODE_CHAR type rather than a one byte TYPE_CODE_INT type. * ch-lang.c (chill_language_defn): Add chill_print_type and chill_val_print. * ch-lang.h (chill_print_type, chill_val_print): Add prototypes. **** end-sanitize-chill ****
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fprintf_filtered (stream, local_binary_format_prefix());
fprintf_filtered (stream, cp);
* Makefile.in (VERSION): Bump to 4.7.4. * Makefile.in (SFILES_MAINDIR): Add typeprint.c, c-typeprint.c, m2-typeprint.c, c-valprint.c cp-valprint.c m2-valprint.c. * Makefile.in (HFILES): Add valprint.h. * Makefile.in (OBS): Add typeprint.o, c-typeprint.o, m2-typeprint.o, c-valprint.o, cp-valprint.o m2-valprint.o. * typeprint.c, typeprint.h: New files for language independent type printing functions. * c-typeprint.c, m2-typeprint.c: New files for language dependent type printing functions and definitions. * valprint.h: New include file for language independent value printing definitions. * c-valprint.c, cp-valprint.c, m2-valprint.c: New files for language dependent value printing functions. * c-exp.y (production ptype): Add range_type variable and use new create_range_type function. * c-exp.y (tokentab2, tokentab3), c-lang.c (c_op_print_tab), infcmd.c (path_var_name), language.c (unk_op_print_tab), m2-lang.c (m2_op_print_tab): Change from ANSI-obsolescent "const static" to ANSI-conformant "static const". * c-exp.y (c_create_fundamental_type): Remove unused nbytes. * c-exp.y (c_language_defn, cplus_language_defn): Add c_print_type, and c_val_print. * c-lang.h (c_print_type, c_val_print): Add prototypes. * coffread.c (decode_type): Add range_type variable and call to new create_range_type function. * complaints.c (complain): Remove unused val variable. * complaints.c (_initialize_complaints): Make it void. * convex-tdep.c (value_of_trapped_internalvar): Add range_type variable and call new create_range_type function. * defs.h (enum val_prettyprint): Move enum from value.h to here so we can avoid having to include value.h just for prototypes that need the enum (thanks ANSI). * dwarfread.c (struct_type): Local anonymous_size variable is only used if !BITS_BIG_ENDIAN. * dwarfread.c (decode_subscript_data_item): Add rangetype variable and call new create_range_type function. * elfread.c (elf_symfile_read): Remove unused dbx and text_sect variables. * eval.c (evaluate_subexp): Remove unused local variable name and the statement with no side effects that initializes it. * expprint.c (print_subexp): Change local_printstr to LA_PRINT_STRING. * gdbtypes.c (create_range_type): New function that creates a range type using code fragments from object file readers as an example of what has to be initialized. * gdbtypes.c (create_array_type): Removed index_type, low_bound, and high_bound parameters, replaced with a single range_type parameter. Change function body to use passed in range_type rather than handcrafting one. * gdbtypes.h (create_range_type): Add prototype. * gdbtypes.h (create_array_type): Change prototype parameters. * infrun.c (normal_stop): Remove unused local variables tem and c. * infrun.c (hook_stop_stub): Return 0 rather than random value. * language.c (unk_lang_print_type, unk_lang_val_print): Add stub functions that call error if called. * language.c (unknown_language_defn, auto_language_defn, local_language_defn): Add initializers unk_lang_print_type and unk_lang_val_print. * language.h (struct language_defn): Reformat for larger comments, add la_print_type and la_val_print members. Add LA_PRINT_TYPE and LA_VAL_PRINT macros. Change local_printchar to LA_PRINT_CHAR and local_printstr to LA_PRINT_STRING. * m2-lang.c (m2_create_fundamental_type): Remove unused local variable nbytes. * m2-lang.c (m2_language_defn): Add initializers m2_print_type and m2_val_print. * m2-lang.h (m2_print_type, m2_val_print): Add prototypes. * main.c (execute_command): Remove unused local variable cmdlines. * main.c (echo_command), stabsread.c (read_type), printcmd.c (clear_displays), symmisc.c (block_depth), values.c (clear_value_history): Make testing of truth value of assignment result explicit. * mipsread.c (upgrade_type): Update FIXME to include future use of create_range_type. * printcmd.c (ptype_command, ptype_eval, whatis_command, whatis_exp, maintenance_print_type): Move prototypes and functions to new typeprint.c. * printcmd.c (_initialize_printcmd): Move add_com calls for ptype_command and whatis_command to new typeprint.c. * ser-bsd.c (serial_open): Remove unused variable sgttyb. * source.c (find_source_lines): Local variable c only used when LSEEK_NOT_LINEAR is defined. * stabsread.c (read_array_type): Use new create_range_type function. * stabsread.c (read_range_type): Add new index_type variable and call new create_range_type function rather than handcrafting range types. * symmisc.c (type_print_1): Change usages to LA_PRINT_TYPE. * symtab.c (typedef_print usages): Use c_typedef_print, renamed. * symtab.c (type_print_base usages): Use c_type_print_base. * symtab.c (type_print_varspec_prefix usages): Use c_type_print_varspec_prefix. * symtab.c (type_print_method_args usages): Use cp_type_print_method_args. * valprint.c: Completely ripped apart and the fragments used to create c-valprint.c, cp-valprint.c, m2-valprint.c, and valprint.h. Remaining stuff is language independent. * value.h (struct fn_field): Forward declare for prototypes. * value.h (type_print_1): Remove prototype. * value.h (enum val_prettyprint): Moved to defs.h. * value.h (typedef_print): Prototype renamed to c_typedef_print. * value.h (baseclass_offset): Add prototype. **** start-sanitize-chill **** * Makefile.in (SFILES_MAINDIR): Add ch-typeprint.c, ch-valprint.c. * Makefile.in (OBS): Add ch-typeprint.o, ch-valprint.o. * ch-typeprint.c: New file for language dependent type printing. * ch-valprint.c: New file for language dependent value printing. * ch-exp.y (parse_number): Remove prototype and stub function. * ch-exp.y (decode_integer_literal): Removed unused digits and temp variables. * ch-exp.y (convert_float): Completely ifdef out for now. * ch-exp.y (tokentab2, tokentab3, tokentab4, tokentab5), ch-lang.c (chill_op_print_tab): Change from ANSI-obsolescent "const static" to ANSI-conformant "static const". * ch-exp.y (yylex): Add unhandled storage class enumeration literals to switch statement for completeness. * ch-lang.c (chill_create_fundamental_types): Remove unused nbytes variable. Change dummy type to 2 bytes to match int. Handle FT_VOID types gratuituously added to chill DWARF by compiler. Change FT_CHAR case to generate an TYPE_CODE_CHAR type rather than a one byte TYPE_CODE_INT type. * ch-lang.c (chill_language_defn): Add chill_print_type and chill_val_print. * ch-lang.h (chill_print_type, chill_val_print): Add prototypes. **** end-sanitize-chill ****
1992-12-18 21:21:32 +01:00
fprintf_filtered (stream, local_binary_format_suffix());
}
break;
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default:
error ("Undefined output format \"%c\".", format);
}
}
/* Specify default address for `x' command.
`info lines' uses this. */
void
set_next_address (addr)
CORE_ADDR addr;
{
next_address = addr;
/* Make address available to the user as $_. */
set_internalvar (lookup_internalvar ("_"),
1991-11-09 08:45:36 +01:00
value_from_longest (lookup_pointer_type (builtin_type_void),
(LONGEST) addr));
1991-03-28 17:26:26 +01:00
}
/* Optionally print address ADDR symbolically as <SYMBOL+OFFSET> on STREAM,
after LEADIN. Print nothing if no symbolic name is found nearby.
1991-03-28 17:26:26 +01:00
DO_DEMANGLE controls whether to print a symbol in its native "raw" form,
or to interpret it as a possible C++ name and convert it back to source
* defs.h (STRCMP, STREQ, STREQN): New macros. * defs.h (demangle_and_match): Remove prototype. * dwarfread.c (STREQ, STREQN): Remove macros, replaced with STREQ and STREQN defined in defs.h. * dwarfread.c (set_cu_language): For completely unknown languages, try to deduce the language from the filename. Retain behavior that for known languages we don't know how to handle, we use language_unknown. * dwarfread.c (enum_type, symthesize_typedef): Initialize language and demangled name fields in symbol. * dwarfread.c, mipsread.c, partial-stab.h: For all usages of ADD_PSYMBOL_TO_LIST, add language and objfile parameters. * dwarfread.c (new_symbol): Attempt to demangle C++ symbol names and cache the results in SYMBOL_DEMANGLED_NAME for the symbol. * elfread.c (STREQ): Remove macro, use STREQ defined in defs.h. Replace usages throughout. * elfread.c (demangle.h): Include. * elfread.c (record_minimal_symbol): Remove prototype and function. * gdbtypes.h, symtab.h (B_SET, B_CLR, B_TST, B_TYPE, B_BYTES, B_CLRALL): Moved from symtab.h to gdbtypes.h. * infcmd.c (jump_command): Remove code to demangle name and add it to a cleanup list. Now just use SYMBOL_DEMANGLED_NAME. * minsyms.c (demangle.h): Include. * minsyms.c (lookup_minimal_symbol): Indent comment to match code. * minsyms.c (install_minimal_symbols): Attempt to demangle symbol names as C++ names, and cache them in SYMBOL_DEMANGLED_NAME. * mipsread.c (psymtab_language): Add static variable. * stabsread.c (demangle.h): Include. * stabsread.c (define_symbol): Attempt to demangle C++ symbol names and cache them in the SYMBOL_DEMANGLED_NAME field. * stack.c (return_command): Remove explicit demangling of name and use of cleanups. Just use SYMBOL_DEMANGLED_NAME. * symfile.c (demangle.h): Include. * symfile.c (add_psymbol_to_list, add_psymbol_addr_to_list): Fix to match macros in symfile.h and allow them to be compiled if INLINE_ADD_PSYMBOL is not true. * symfile.h (INLINE_ADD_PSYMBOL): Default to true if not set. * symfile.h (ADD_PSYMBOL_*): Add language and objfile parameters. Add code to demangle and cache C++ symbol names. Use macro form if INLINE_ADD_PSYMBOL is true, otherwise use C function form. * symmisc.c (add_psymbol_to_list, add_psymbol_addr_to_list): Remove, also defined in symfile.c, which we already fixed. * symtab.c (expensive_mangler): Remove prototype and function. * symtab.c (find_methods): Remove physnames parameter and fix prototype to match. * symtab.c (completion_list_add_symbol): Name changed to completion_list_add_name. * symtab.c (COMPLETION_LIST_ADD_SYMBOL): New macro, adds both the normal symbol name and the cached C++ demangled name. * symtab.c (lookup_demangled_partial_symbol, lookup_demangled_block_symbol): Remove prototypes and functions. * symtab.c (lookup_symbol): Remove use of expensive_mangler, use lookup_block_symbol instead of lookup_demangled_block_symbol. Remove code to try demangling names and matching them. * symtab.c (lookup_partial_symbol, lookup_block_symbol): Fix to try matching the cached demangled name if no match is found using the regular symbol name. * symtab.c (find_methods): Remove unused physnames array. * symtab.c (name_match, NAME_MATCH): Remove function and macro, replaced with SYMBOL_MATCHES_REGEXP from symtab.h. * symtab.c (completion_list_add_symbol): Rewrite to use cached C++ demangled symbol names. * symtab.h: Much reformatting of structures and such to add whitespace to make them more readable, and make them more consistent with other gdb structure definitions. * symtab.h (general_symbol_info): New struct containing fields common to all symbols. * symtab.h (SYMBOL_LANGUAGE, SYMBOL_DEMANGLED_NAME, SYMBOL_SOURCE_NAME, SYMBOL_LINKAGE_NAME, SYMBOL_MATCHES_NAME, SYMBOL_MATCHES_REGEXP, MSYMBOL_INFO, MSYMBOL_TYPE): New macros. * symtab. (struct minimal_symbol, struct partial_symbol, struct symbol): Use general_symbol_info struct. * utils.c (demangle_and_match): Remove, no longer used. * valops.c (demangle.h): Include. * xcoffexec.c (eq): Remove macro, replace usages with STREQ. * blockframe.c, breakpoint.c, c-exp.y, c-valprint.c, dbxread.c, infcmd.c, m2-exp.y, minsyms.c, objfiles.h, solib.c, stack.c, symmisc.c, symtab.c, valops.c: Replace references to minimal symbol fields with appropriate macros. * breakpoint.c, buildsym.c, c-exp.y, c-typeprint.c, c-valprint.c, coffread.c, command.c, convex-tdep.c, cp-valprint.c, dbxread.c, demangle.c, elfread.c, energize.c, environ.c, exec.c, gdbtypes.c, i960-tdep.c, infrun.c, infrun-hacked.c, language.c, main.c, minsyms.c, mipsread.c, partial-stab.h, remote-es1800.c, remote-nindy.c, remote-udi.c, rs6000-tdep.c, solib.c, source.c, sparc-pinsn.c, stabsread.c, standalone.c, state.c, stuff.c, symfile.c, symmisc.c, symtab.c, symtab.h, tm-sysv4.h, tm-ultra3.h, values.c, xcoffexec.c, xcoffread.c: Replace strcmp and strncmp usages with STREQ, STREQN, or STRCMP as appropriate. * breakpoint.c, buildsym.c, c-typeprint.c, expprint.c, findvar.c, mipsread.c, printcmd.c, source.c, stabsread.c, stack.c, symmisc.c, tm-29k.h, valops.c, values.c: Replace SYMBOL_NAME references with SYMBOL_SOURCE_NAME or SYMBOL_LINKAGE_NAME as appropriate. * buildsym.c (start_subfile, patch_subfile_names): Default the source language to what can be deduced from the filename. * buildsym.c (end_symtab): Update the source language in the allocated symtab to match what we have been using. * buildsym.h (struct subfile): Add a language field. * c-typeprint.c (c_print_type): Remove code to do explicit demangling. * dbxread.c (psymtab_language): Add static variable. * dbxread.c (start_psymtab): Initialize psymtab_language using deduce_language_from_filename.
1992-12-23 07:34:57 +01:00
form. However note that DO_DEMANGLE can be overridden by the specific
settings of the demangle and asm_demangle variables. */
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void
print_address_symbolic (addr, stream, do_demangle, leadin)
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CORE_ADDR addr;
FILE *stream;
int do_demangle;
char *leadin;
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{
CORE_ADDR name_location;
register struct symbol *symbol;
char *name;
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/* First try to find the address in the symbol tables to find
static functions. If that doesn't succeed we try the minimal symbol
vector for symbols in non-text space.
FIXME: Should find a way to get at the static non-text symbols too. */
1991-03-28 17:26:26 +01:00
symbol = find_pc_function (addr);
if (symbol)
{
name_location = BLOCK_START (SYMBOL_BLOCK_VALUE (symbol));
if (do_demangle)
name = SYMBOL_SOURCE_NAME (symbol);
else
name = SYMBOL_LINKAGE_NAME (symbol);
}
else
{
register struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (addr);
1991-03-28 17:26:26 +01:00
/* If nothing comes out, don't print anything symbolic. */
if (msymbol == NULL)
return;
name_location = SYMBOL_VALUE_ADDRESS (msymbol);
if (do_demangle)
name = SYMBOL_SOURCE_NAME (msymbol);
else
name = SYMBOL_LINKAGE_NAME (msymbol);
}
/* If the nearest symbol is too far away, don't print anything symbolic. */
/* For when CORE_ADDR is larger than unsigned int, we do math in
CORE_ADDR. But when we detect unsigned wraparound in the
CORE_ADDR math, we ignore this test and print the offset,
because addr+max_symbolic_offset has wrapped through the end
of the address space back to the beginning, giving bogus comparison. */
if (addr > name_location + max_symbolic_offset
&& name_location + max_symbolic_offset > name_location)
return;
fputs_filtered (leadin, stream);
fputs_filtered ("<", stream);
fputs_filtered (name, stream);
if (addr != name_location)
fprintf_filtered (stream, "+%u>", (unsigned int)(addr - name_location));
1991-03-28 17:26:26 +01:00
else
fputs_filtered (">", stream);
}
/* Print address ADDR symbolically on STREAM.
First print it as a number. Then perhaps print
<SYMBOL + OFFSET> after the number. */
void
print_address (addr, stream)
CORE_ADDR addr;
FILE *stream;
{
#ifdef ADDR_BITS_REMOVE
fprintf_filtered (stream, local_hex_format(), ADDR_BITS_REMOVE(addr));
#else
1991-11-09 08:45:36 +01:00
fprintf_filtered (stream, local_hex_format(), addr);
#endif
print_address_symbolic (addr, stream, asm_demangle, " ");
1991-03-28 17:26:26 +01:00
}
/* Print address ADDR symbolically on STREAM. Parameter DEMANGLE
controls whether to print the symbolic name "raw" or demangled.
Global setting "addressprint" controls whether to print hex address
or not. */
1991-03-28 17:26:26 +01:00
void
print_address_demangle (addr, stream, do_demangle)
CORE_ADDR addr;
FILE *stream;
int do_demangle;
{
if (addr == 0) {
fprintf_filtered (stream, "0");
} else if (addressprint) {
1991-11-09 08:45:36 +01:00
fprintf_filtered (stream, local_hex_format(), addr);
print_address_symbolic (addr, stream, do_demangle, " ");
} else {
print_address_symbolic (addr, stream, do_demangle, "");
}
1991-03-28 17:26:26 +01:00
}
/* Examine data at address ADDR in format FMT.
Fetch it from memory and print on stdout. */
static void
do_examine (fmt, addr)
struct format_data fmt;
CORE_ADDR addr;
{
register char format = 0;
register char size;
register int count = 1;
struct type *val_type;
register int i;
register int maxelts;
format = fmt.format;
size = fmt.size;
count = fmt.count;
next_address = addr;
/* String or instruction format implies fetch single bytes
regardless of the specified size. */
if (format == 's' || format == 'i')
size = 'b';
if (size == 'b')
val_type = builtin_type_char;
else if (size == 'h')
val_type = builtin_type_short;
else if (size == 'w')
val_type = builtin_type_long;
else if (size == 'g')
#ifndef CC_HAS_LONG_LONG
1991-03-28 17:26:26 +01:00
val_type = builtin_type_double;
#else
val_type = builtin_type_long_long;
#endif
maxelts = 8;
if (size == 'w')
maxelts = 4;
if (size == 'g')
maxelts = 2;
if (format == 's' || format == 'i')
maxelts = 1;
/* Print as many objects as specified in COUNT, at most maxelts per line,
with the address of the next one at the start of each line. */
while (count > 0)
{
print_address (next_address, stdout);
printf_filtered (":");
for (i = maxelts;
i > 0 && count > 0;
i--, count--)
{
printf_filtered ("\t");
/* Note that print_formatted sets next_address for the next
object. */
last_examine_address = next_address;
last_examine_value = value_at (val_type, next_address);
print_formatted (last_examine_value, format, size);
}
printf_filtered ("\n");
fflush (stdout);
}
}
static void
validate_format (fmt, cmdname)
struct format_data fmt;
char *cmdname;
{
if (fmt.size != 0)
error ("Size letters are meaningless in \"%s\" command.", cmdname);
if (fmt.count != 1)
error ("Item count other than 1 is meaningless in \"%s\" command.",
cmdname);
if (fmt.format == 'i' || fmt.format == 's')
error ("Format letter \"%c\" is meaningless in \"%s\" command.",
fmt.format, cmdname);
}
/* 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).
*/
1991-03-28 17:26:26 +01:00
static void
print_command_1 (exp, inspect, voidprint)
char *exp;
int inspect;
int voidprint;
{
struct expression *expr;
register struct cleanup *old_chain = 0;
register char format = 0;
register value val;
struct format_data fmt;
int cleanup = 0;
/* Pass inspect flag to the rest of the print routines in a global (sigh). */
inspect_it = inspect;
if (exp && *exp == '/')
{
exp++;
fmt = decode_format (&exp, last_format, 0);
validate_format (fmt, "print");
last_format = format = fmt.format;
}
else
{
fmt.count = 1;
fmt.format = 0;
fmt.size = 0;
}
if (exp && *exp)
{
extern int objectprint;
struct type *type;
1991-11-09 08:45:36 +01:00
expr = parse_expression (exp);
1991-03-28 17:26:26 +01:00
old_chain = make_cleanup (free_current_contents, &expr);
cleanup = 1;
val = evaluate_expression (expr);
/* C++: figure out what type we actually want to print it as. */
type = VALUE_TYPE (val);
if (objectprint
&& ( TYPE_CODE (type) == TYPE_CODE_PTR
|| TYPE_CODE (type) == TYPE_CODE_REF)
&& ( TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_STRUCT
|| TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_UNION))
{
value v;
v = value_from_vtable_info (val, TYPE_TARGET_TYPE (type));
if (v != 0)
{
val = v;
type = VALUE_TYPE (val);
}
}
1991-03-28 17:26:26 +01:00
}
else
val = access_value_history (0);
if (voidprint || (val && VALUE_TYPE (val) &&
TYPE_CODE (VALUE_TYPE (val)) != TYPE_CODE_VOID))
{
int histindex = record_latest_value (val);
if (inspect)
printf ("\031(gdb-makebuffer \"%s\" %d '(\"", exp, histindex);
else
if (histindex >= 0) printf_filtered ("$%d = ", histindex);
print_formatted (val, format, fmt.size);
printf_filtered ("\n");
if (inspect)
printf("\") )\030");
}
if (cleanup)
do_cleanups (old_chain);
inspect_it = 0; /* Reset print routines to normal */
}
/* ARGSUSED */
1991-03-28 17:26:26 +01:00
static void
print_command (exp, from_tty)
char *exp;
int from_tty;
{
print_command_1 (exp, 0, 1);
}
/* Same as print, except in epoch, it gets its own window */
/* ARGSUSED */
1991-03-28 17:26:26 +01:00
static void
inspect_command (exp, from_tty)
char *exp;
int from_tty;
{
extern int epoch_interface;
print_command_1 (exp, epoch_interface, 1);
}
/* Same as print, except it doesn't print void results. */
/* ARGSUSED */
1991-03-28 17:26:26 +01:00
static void
call_command (exp, from_tty)
char *exp;
int from_tty;
{
print_command_1 (exp, 0, 0);
}
/* ARGSUSED */
1991-03-28 17:26:26 +01:00
static void
output_command (exp, from_tty)
char *exp;
int from_tty;
{
struct expression *expr;
register struct cleanup *old_chain;
register char format = 0;
register value val;
struct format_data fmt;
if (exp && *exp == '/')
{
exp++;
fmt = decode_format (&exp, 0, 0);
validate_format (fmt, "output");
1991-03-28 17:26:26 +01:00
format = fmt.format;
}
1991-11-09 08:45:36 +01:00
expr = parse_expression (exp);
1991-03-28 17:26:26 +01:00
old_chain = make_cleanup (free_current_contents, &expr);
val = evaluate_expression (expr);
print_formatted (val, format, fmt.size);
do_cleanups (old_chain);
}
/* ARGSUSED */
1991-03-28 17:26:26 +01:00
static void
set_command (exp, from_tty)
char *exp;
int from_tty;
{
1991-11-09 08:45:36 +01:00
struct expression *expr = parse_expression (exp);
1991-03-28 17:26:26 +01:00
register struct cleanup *old_chain
= make_cleanup (free_current_contents, &expr);
evaluate_expression (expr);
do_cleanups (old_chain);
}
/* ARGSUSED */
1991-03-28 17:26:26 +01:00
static void
address_info (exp, from_tty)
char *exp;
int from_tty;
{
register struct symbol *sym;
register struct minimal_symbol *msymbol;
register long val;
register long basereg;
1991-03-28 17:26:26 +01:00
int is_a_field_of_this; /* C++: lookup_symbol sets this to nonzero
if exp is a field of `this'. */
if (exp == 0)
error ("Argument required.");
sym = lookup_symbol (exp, get_selected_block (), VAR_NAMESPACE,
&is_a_field_of_this, (struct symtab **)NULL);
* defs.h (STRCMP, STREQ, STREQN): New macros. * defs.h (demangle_and_match): Remove prototype. * dwarfread.c (STREQ, STREQN): Remove macros, replaced with STREQ and STREQN defined in defs.h. * dwarfread.c (set_cu_language): For completely unknown languages, try to deduce the language from the filename. Retain behavior that for known languages we don't know how to handle, we use language_unknown. * dwarfread.c (enum_type, symthesize_typedef): Initialize language and demangled name fields in symbol. * dwarfread.c, mipsread.c, partial-stab.h: For all usages of ADD_PSYMBOL_TO_LIST, add language and objfile parameters. * dwarfread.c (new_symbol): Attempt to demangle C++ symbol names and cache the results in SYMBOL_DEMANGLED_NAME for the symbol. * elfread.c (STREQ): Remove macro, use STREQ defined in defs.h. Replace usages throughout. * elfread.c (demangle.h): Include. * elfread.c (record_minimal_symbol): Remove prototype and function. * gdbtypes.h, symtab.h (B_SET, B_CLR, B_TST, B_TYPE, B_BYTES, B_CLRALL): Moved from symtab.h to gdbtypes.h. * infcmd.c (jump_command): Remove code to demangle name and add it to a cleanup list. Now just use SYMBOL_DEMANGLED_NAME. * minsyms.c (demangle.h): Include. * minsyms.c (lookup_minimal_symbol): Indent comment to match code. * minsyms.c (install_minimal_symbols): Attempt to demangle symbol names as C++ names, and cache them in SYMBOL_DEMANGLED_NAME. * mipsread.c (psymtab_language): Add static variable. * stabsread.c (demangle.h): Include. * stabsread.c (define_symbol): Attempt to demangle C++ symbol names and cache them in the SYMBOL_DEMANGLED_NAME field. * stack.c (return_command): Remove explicit demangling of name and use of cleanups. Just use SYMBOL_DEMANGLED_NAME. * symfile.c (demangle.h): Include. * symfile.c (add_psymbol_to_list, add_psymbol_addr_to_list): Fix to match macros in symfile.h and allow them to be compiled if INLINE_ADD_PSYMBOL is not true. * symfile.h (INLINE_ADD_PSYMBOL): Default to true if not set. * symfile.h (ADD_PSYMBOL_*): Add language and objfile parameters. Add code to demangle and cache C++ symbol names. Use macro form if INLINE_ADD_PSYMBOL is true, otherwise use C function form. * symmisc.c (add_psymbol_to_list, add_psymbol_addr_to_list): Remove, also defined in symfile.c, which we already fixed. * symtab.c (expensive_mangler): Remove prototype and function. * symtab.c (find_methods): Remove physnames parameter and fix prototype to match. * symtab.c (completion_list_add_symbol): Name changed to completion_list_add_name. * symtab.c (COMPLETION_LIST_ADD_SYMBOL): New macro, adds both the normal symbol name and the cached C++ demangled name. * symtab.c (lookup_demangled_partial_symbol, lookup_demangled_block_symbol): Remove prototypes and functions. * symtab.c (lookup_symbol): Remove use of expensive_mangler, use lookup_block_symbol instead of lookup_demangled_block_symbol. Remove code to try demangling names and matching them. * symtab.c (lookup_partial_symbol, lookup_block_symbol): Fix to try matching the cached demangled name if no match is found using the regular symbol name. * symtab.c (find_methods): Remove unused physnames array. * symtab.c (name_match, NAME_MATCH): Remove function and macro, replaced with SYMBOL_MATCHES_REGEXP from symtab.h. * symtab.c (completion_list_add_symbol): Rewrite to use cached C++ demangled symbol names. * symtab.h: Much reformatting of structures and such to add whitespace to make them more readable, and make them more consistent with other gdb structure definitions. * symtab.h (general_symbol_info): New struct containing fields common to all symbols. * symtab.h (SYMBOL_LANGUAGE, SYMBOL_DEMANGLED_NAME, SYMBOL_SOURCE_NAME, SYMBOL_LINKAGE_NAME, SYMBOL_MATCHES_NAME, SYMBOL_MATCHES_REGEXP, MSYMBOL_INFO, MSYMBOL_TYPE): New macros. * symtab. (struct minimal_symbol, struct partial_symbol, struct symbol): Use general_symbol_info struct. * utils.c (demangle_and_match): Remove, no longer used. * valops.c (demangle.h): Include. * xcoffexec.c (eq): Remove macro, replace usages with STREQ. * blockframe.c, breakpoint.c, c-exp.y, c-valprint.c, dbxread.c, infcmd.c, m2-exp.y, minsyms.c, objfiles.h, solib.c, stack.c, symmisc.c, symtab.c, valops.c: Replace references to minimal symbol fields with appropriate macros. * breakpoint.c, buildsym.c, c-exp.y, c-typeprint.c, c-valprint.c, coffread.c, command.c, convex-tdep.c, cp-valprint.c, dbxread.c, demangle.c, elfread.c, energize.c, environ.c, exec.c, gdbtypes.c, i960-tdep.c, infrun.c, infrun-hacked.c, language.c, main.c, minsyms.c, mipsread.c, partial-stab.h, remote-es1800.c, remote-nindy.c, remote-udi.c, rs6000-tdep.c, solib.c, source.c, sparc-pinsn.c, stabsread.c, standalone.c, state.c, stuff.c, symfile.c, symmisc.c, symtab.c, symtab.h, tm-sysv4.h, tm-ultra3.h, values.c, xcoffexec.c, xcoffread.c: Replace strcmp and strncmp usages with STREQ, STREQN, or STRCMP as appropriate. * breakpoint.c, buildsym.c, c-typeprint.c, expprint.c, findvar.c, mipsread.c, printcmd.c, source.c, stabsread.c, stack.c, symmisc.c, tm-29k.h, valops.c, values.c: Replace SYMBOL_NAME references with SYMBOL_SOURCE_NAME or SYMBOL_LINKAGE_NAME as appropriate. * buildsym.c (start_subfile, patch_subfile_names): Default the source language to what can be deduced from the filename. * buildsym.c (end_symtab): Update the source language in the allocated symtab to match what we have been using. * buildsym.h (struct subfile): Add a language field. * c-typeprint.c (c_print_type): Remove code to do explicit demangling. * dbxread.c (psymtab_language): Add static variable. * dbxread.c (start_psymtab): Initialize psymtab_language using deduce_language_from_filename.
1992-12-23 07:34:57 +01:00
if (sym == NULL)
1991-03-28 17:26:26 +01:00
{
if (is_a_field_of_this)
{
printf ("Symbol \"%s\" is a field of the local class variable `this'\n", exp);
return;
}
msymbol = lookup_minimal_symbol (exp, (struct objfile *) NULL);
1991-03-28 17:26:26 +01:00
if (msymbol != NULL)
1991-11-09 08:45:36 +01:00
printf ("Symbol \"%s\" is at %s in a file compiled without debugging.\n",
* defs.h (STRCMP, STREQ, STREQN): New macros. * defs.h (demangle_and_match): Remove prototype. * dwarfread.c (STREQ, STREQN): Remove macros, replaced with STREQ and STREQN defined in defs.h. * dwarfread.c (set_cu_language): For completely unknown languages, try to deduce the language from the filename. Retain behavior that for known languages we don't know how to handle, we use language_unknown. * dwarfread.c (enum_type, symthesize_typedef): Initialize language and demangled name fields in symbol. * dwarfread.c, mipsread.c, partial-stab.h: For all usages of ADD_PSYMBOL_TO_LIST, add language and objfile parameters. * dwarfread.c (new_symbol): Attempt to demangle C++ symbol names and cache the results in SYMBOL_DEMANGLED_NAME for the symbol. * elfread.c (STREQ): Remove macro, use STREQ defined in defs.h. Replace usages throughout. * elfread.c (demangle.h): Include. * elfread.c (record_minimal_symbol): Remove prototype and function. * gdbtypes.h, symtab.h (B_SET, B_CLR, B_TST, B_TYPE, B_BYTES, B_CLRALL): Moved from symtab.h to gdbtypes.h. * infcmd.c (jump_command): Remove code to demangle name and add it to a cleanup list. Now just use SYMBOL_DEMANGLED_NAME. * minsyms.c (demangle.h): Include. * minsyms.c (lookup_minimal_symbol): Indent comment to match code. * minsyms.c (install_minimal_symbols): Attempt to demangle symbol names as C++ names, and cache them in SYMBOL_DEMANGLED_NAME. * mipsread.c (psymtab_language): Add static variable. * stabsread.c (demangle.h): Include. * stabsread.c (define_symbol): Attempt to demangle C++ symbol names and cache them in the SYMBOL_DEMANGLED_NAME field. * stack.c (return_command): Remove explicit demangling of name and use of cleanups. Just use SYMBOL_DEMANGLED_NAME. * symfile.c (demangle.h): Include. * symfile.c (add_psymbol_to_list, add_psymbol_addr_to_list): Fix to match macros in symfile.h and allow them to be compiled if INLINE_ADD_PSYMBOL is not true. * symfile.h (INLINE_ADD_PSYMBOL): Default to true if not set. * symfile.h (ADD_PSYMBOL_*): Add language and objfile parameters. Add code to demangle and cache C++ symbol names. Use macro form if INLINE_ADD_PSYMBOL is true, otherwise use C function form. * symmisc.c (add_psymbol_to_list, add_psymbol_addr_to_list): Remove, also defined in symfile.c, which we already fixed. * symtab.c (expensive_mangler): Remove prototype and function. * symtab.c (find_methods): Remove physnames parameter and fix prototype to match. * symtab.c (completion_list_add_symbol): Name changed to completion_list_add_name. * symtab.c (COMPLETION_LIST_ADD_SYMBOL): New macro, adds both the normal symbol name and the cached C++ demangled name. * symtab.c (lookup_demangled_partial_symbol, lookup_demangled_block_symbol): Remove prototypes and functions. * symtab.c (lookup_symbol): Remove use of expensive_mangler, use lookup_block_symbol instead of lookup_demangled_block_symbol. Remove code to try demangling names and matching them. * symtab.c (lookup_partial_symbol, lookup_block_symbol): Fix to try matching the cached demangled name if no match is found using the regular symbol name. * symtab.c (find_methods): Remove unused physnames array. * symtab.c (name_match, NAME_MATCH): Remove function and macro, replaced with SYMBOL_MATCHES_REGEXP from symtab.h. * symtab.c (completion_list_add_symbol): Rewrite to use cached C++ demangled symbol names. * symtab.h: Much reformatting of structures and such to add whitespace to make them more readable, and make them more consistent with other gdb structure definitions. * symtab.h (general_symbol_info): New struct containing fields common to all symbols. * symtab.h (SYMBOL_LANGUAGE, SYMBOL_DEMANGLED_NAME, SYMBOL_SOURCE_NAME, SYMBOL_LINKAGE_NAME, SYMBOL_MATCHES_NAME, SYMBOL_MATCHES_REGEXP, MSYMBOL_INFO, MSYMBOL_TYPE): New macros. * symtab. (struct minimal_symbol, struct partial_symbol, struct symbol): Use general_symbol_info struct. * utils.c (demangle_and_match): Remove, no longer used. * valops.c (demangle.h): Include. * xcoffexec.c (eq): Remove macro, replace usages with STREQ. * blockframe.c, breakpoint.c, c-exp.y, c-valprint.c, dbxread.c, infcmd.c, m2-exp.y, minsyms.c, objfiles.h, solib.c, stack.c, symmisc.c, symtab.c, valops.c: Replace references to minimal symbol fields with appropriate macros. * breakpoint.c, buildsym.c, c-exp.y, c-typeprint.c, c-valprint.c, coffread.c, command.c, convex-tdep.c, cp-valprint.c, dbxread.c, demangle.c, elfread.c, energize.c, environ.c, exec.c, gdbtypes.c, i960-tdep.c, infrun.c, infrun-hacked.c, language.c, main.c, minsyms.c, mipsread.c, partial-stab.h, remote-es1800.c, remote-nindy.c, remote-udi.c, rs6000-tdep.c, solib.c, source.c, sparc-pinsn.c, stabsread.c, standalone.c, state.c, stuff.c, symfile.c, symmisc.c, symtab.c, symtab.h, tm-sysv4.h, tm-ultra3.h, values.c, xcoffexec.c, xcoffread.c: Replace strcmp and strncmp usages with STREQ, STREQN, or STRCMP as appropriate. * breakpoint.c, buildsym.c, c-typeprint.c, expprint.c, findvar.c, mipsread.c, printcmd.c, source.c, stabsread.c, stack.c, symmisc.c, tm-29k.h, valops.c, values.c: Replace SYMBOL_NAME references with SYMBOL_SOURCE_NAME or SYMBOL_LINKAGE_NAME as appropriate. * buildsym.c (start_subfile, patch_subfile_names): Default the source language to what can be deduced from the filename. * buildsym.c (end_symtab): Update the source language in the allocated symtab to match what we have been using. * buildsym.h (struct subfile): Add a language field. * c-typeprint.c (c_print_type): Remove code to do explicit demangling. * dbxread.c (psymtab_language): Add static variable. * dbxread.c (start_psymtab): Initialize psymtab_language using deduce_language_from_filename.
1992-12-23 07:34:57 +01:00
exp, local_hex_string(SYMBOL_VALUE_ADDRESS (msymbol)));
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else
error ("No symbol \"%s\" in current context.", exp);
return;
}
printf ("Symbol \"%s\" is ", SYMBOL_NAME (sym));
val = SYMBOL_VALUE (sym);
basereg = SYMBOL_BASEREG (sym);
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switch (SYMBOL_CLASS (sym))
{
case LOC_CONST:
case LOC_CONST_BYTES:
printf ("constant");
break;
case LOC_LABEL:
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printf ("a label at address %s", local_hex_string(SYMBOL_VALUE_ADDRESS (sym)));
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break;
case LOC_REGISTER:
printf ("a variable in register %s", reg_names[val]);
break;
case LOC_STATIC:
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printf ("static storage at address %s", local_hex_string(SYMBOL_VALUE_ADDRESS (sym)));
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break;
case LOC_REGPARM:
printf ("an argument in register %s", reg_names[val]);
break;
case LOC_REGPARM_ADDR:
printf ("address of an argument in register %s", reg_names[val]);
break;
1991-03-28 17:26:26 +01:00
case LOC_ARG:
if (SYMBOL_BASEREG_VALID (sym))
{
printf ("an argument at offset %ld from register %s",
val, reg_names[basereg]);
}
else
{
printf ("an argument at offset %ld", val);
}
1991-03-28 17:26:26 +01:00
break;
case LOC_LOCAL_ARG:
if (SYMBOL_BASEREG_VALID (sym))
{
printf ("an argument at offset %ld from register %s",
val, reg_names[basereg]);
}
else
{
printf ("an argument at frame offset %ld", val);
}
1991-03-28 17:26:26 +01:00
break;
case LOC_LOCAL:
if (SYMBOL_BASEREG_VALID (sym))
{
printf ("a local variable at offset %ld from register %s",
val, reg_names[basereg]);
}
else
{
printf ("a local variable at frame offset %ld", val);
}
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break;
case LOC_REF_ARG:
printf ("a reference argument at offset %ld", val);
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break;
case LOC_TYPEDEF:
printf ("a typedef");
break;
case LOC_BLOCK:
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printf ("a function at address %s",
local_hex_string(BLOCK_START (SYMBOL_BLOCK_VALUE (sym))));
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break;
case LOC_OPTIMIZED_OUT:
printf_filtered ("optimized out");
break;
1991-03-28 17:26:26 +01:00
default:
printf ("of unknown (botched) type");
break;
}
printf (".\n");
}
static void
x_command (exp, from_tty)
char *exp;
int from_tty;
{
struct expression *expr;
struct format_data fmt;
struct cleanup *old_chain;
struct value *val;
fmt.format = last_format;
fmt.size = last_size;
fmt.count = 1;
if (exp && *exp == '/')
{
exp++;
fmt = decode_format (&exp, last_format, last_size);
}
/* If we have an expression, evaluate it and use it as the address. */
if (exp != 0 && *exp != 0)
{
1991-11-09 08:45:36 +01:00
expr = parse_expression (exp);
1991-03-28 17:26:26 +01:00
/* 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);
val = evaluate_expression (expr);
if (TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_REF)
val = value_ind (val);
1991-03-28 17:26:26 +01:00
/* In rvalue contexts, such as this, functions are coerced into
pointers to functions. This makes "x/i main" work. */
if (/* last_format == 'i'
&& */ TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_FUNC
&& VALUE_LVAL (val) == lval_memory)
next_address = VALUE_ADDRESS (val);
else
next_address = value_as_pointer (val);
1991-03-28 17:26:26 +01:00
do_cleanups (old_chain);
}
do_examine (fmt, next_address);
/* If the examine succeeds, we remember its size and format for next time. */
last_size = fmt.size;
last_format = fmt.format;
1991-03-28 17:26:26 +01:00
/* Set a couple of internal variables if appropriate. */
if (last_examine_value)
{
1991-11-09 08:45:36 +01:00
/* Make last address examined available to the user as $_. Use
the correct pointer type. */
1991-03-28 17:26:26 +01:00
set_internalvar (lookup_internalvar ("_"),
1991-11-09 08:45:36 +01:00
value_from_longest (
lookup_pointer_type (VALUE_TYPE (last_examine_value)),
(LONGEST) last_examine_address));
1991-03-28 17:26:26 +01:00
/* Make contents of last address examined available to the user as $__.*/
set_internalvar (lookup_internalvar ("__"), last_examine_value);
}
}
/* Add an expression to the auto-display chain.
Specify the expression. */
static void
display_command (exp, from_tty)
char *exp;
int from_tty;
{
struct format_data fmt;
register struct expression *expr;
register struct display *new;
if (exp == 0)
{
do_displays ();
return;
}
if (*exp == '/')
{
exp++;
fmt = decode_format (&exp, 0, 0);
if (fmt.size && fmt.format == 0)
fmt.format = 'x';
if (fmt.format == 'i' || fmt.format == 's')
fmt.size = 'b';
}
else
{
fmt.format = 0;
fmt.size = 0;
fmt.count = 0;
}
innermost_block = 0;
1991-11-09 08:45:36 +01:00
expr = parse_expression (exp);
1991-03-28 17:26:26 +01:00
new = (struct display *) xmalloc (sizeof (struct display));
new->exp = expr;
new->block = innermost_block;
new->next = display_chain;
new->number = ++display_number;
new->format = fmt;
new->status = enabled;
display_chain = new;
if (from_tty && target_has_execution)
do_one_display (new);
dont_repeat ();
}
static void
free_display (d)
struct display *d;
{
free ((PTR)d->exp);
free ((PTR)d);
1991-03-28 17:26:26 +01:00
}
/* Clear out the display_chain.
Done when new symtabs are loaded, since this invalidates
the types stored in many expressions. */
void
clear_displays ()
{
register struct display *d;
* Makefile.in (VERSION): Bump to 4.7.4. * Makefile.in (SFILES_MAINDIR): Add typeprint.c, c-typeprint.c, m2-typeprint.c, c-valprint.c cp-valprint.c m2-valprint.c. * Makefile.in (HFILES): Add valprint.h. * Makefile.in (OBS): Add typeprint.o, c-typeprint.o, m2-typeprint.o, c-valprint.o, cp-valprint.o m2-valprint.o. * typeprint.c, typeprint.h: New files for language independent type printing functions. * c-typeprint.c, m2-typeprint.c: New files for language dependent type printing functions and definitions. * valprint.h: New include file for language independent value printing definitions. * c-valprint.c, cp-valprint.c, m2-valprint.c: New files for language dependent value printing functions. * c-exp.y (production ptype): Add range_type variable and use new create_range_type function. * c-exp.y (tokentab2, tokentab3), c-lang.c (c_op_print_tab), infcmd.c (path_var_name), language.c (unk_op_print_tab), m2-lang.c (m2_op_print_tab): Change from ANSI-obsolescent "const static" to ANSI-conformant "static const". * c-exp.y (c_create_fundamental_type): Remove unused nbytes. * c-exp.y (c_language_defn, cplus_language_defn): Add c_print_type, and c_val_print. * c-lang.h (c_print_type, c_val_print): Add prototypes. * coffread.c (decode_type): Add range_type variable and call to new create_range_type function. * complaints.c (complain): Remove unused val variable. * complaints.c (_initialize_complaints): Make it void. * convex-tdep.c (value_of_trapped_internalvar): Add range_type variable and call new create_range_type function. * defs.h (enum val_prettyprint): Move enum from value.h to here so we can avoid having to include value.h just for prototypes that need the enum (thanks ANSI). * dwarfread.c (struct_type): Local anonymous_size variable is only used if !BITS_BIG_ENDIAN. * dwarfread.c (decode_subscript_data_item): Add rangetype variable and call new create_range_type function. * elfread.c (elf_symfile_read): Remove unused dbx and text_sect variables. * eval.c (evaluate_subexp): Remove unused local variable name and the statement with no side effects that initializes it. * expprint.c (print_subexp): Change local_printstr to LA_PRINT_STRING. * gdbtypes.c (create_range_type): New function that creates a range type using code fragments from object file readers as an example of what has to be initialized. * gdbtypes.c (create_array_type): Removed index_type, low_bound, and high_bound parameters, replaced with a single range_type parameter. Change function body to use passed in range_type rather than handcrafting one. * gdbtypes.h (create_range_type): Add prototype. * gdbtypes.h (create_array_type): Change prototype parameters. * infrun.c (normal_stop): Remove unused local variables tem and c. * infrun.c (hook_stop_stub): Return 0 rather than random value. * language.c (unk_lang_print_type, unk_lang_val_print): Add stub functions that call error if called. * language.c (unknown_language_defn, auto_language_defn, local_language_defn): Add initializers unk_lang_print_type and unk_lang_val_print. * language.h (struct language_defn): Reformat for larger comments, add la_print_type and la_val_print members. Add LA_PRINT_TYPE and LA_VAL_PRINT macros. Change local_printchar to LA_PRINT_CHAR and local_printstr to LA_PRINT_STRING. * m2-lang.c (m2_create_fundamental_type): Remove unused local variable nbytes. * m2-lang.c (m2_language_defn): Add initializers m2_print_type and m2_val_print. * m2-lang.h (m2_print_type, m2_val_print): Add prototypes. * main.c (execute_command): Remove unused local variable cmdlines. * main.c (echo_command), stabsread.c (read_type), printcmd.c (clear_displays), symmisc.c (block_depth), values.c (clear_value_history): Make testing of truth value of assignment result explicit. * mipsread.c (upgrade_type): Update FIXME to include future use of create_range_type. * printcmd.c (ptype_command, ptype_eval, whatis_command, whatis_exp, maintenance_print_type): Move prototypes and functions to new typeprint.c. * printcmd.c (_initialize_printcmd): Move add_com calls for ptype_command and whatis_command to new typeprint.c. * ser-bsd.c (serial_open): Remove unused variable sgttyb. * source.c (find_source_lines): Local variable c only used when LSEEK_NOT_LINEAR is defined. * stabsread.c (read_array_type): Use new create_range_type function. * stabsread.c (read_range_type): Add new index_type variable and call new create_range_type function rather than handcrafting range types. * symmisc.c (type_print_1): Change usages to LA_PRINT_TYPE. * symtab.c (typedef_print usages): Use c_typedef_print, renamed. * symtab.c (type_print_base usages): Use c_type_print_base. * symtab.c (type_print_varspec_prefix usages): Use c_type_print_varspec_prefix. * symtab.c (type_print_method_args usages): Use cp_type_print_method_args. * valprint.c: Completely ripped apart and the fragments used to create c-valprint.c, cp-valprint.c, m2-valprint.c, and valprint.h. Remaining stuff is language independent. * value.h (struct fn_field): Forward declare for prototypes. * value.h (type_print_1): Remove prototype. * value.h (enum val_prettyprint): Moved to defs.h. * value.h (typedef_print): Prototype renamed to c_typedef_print. * value.h (baseclass_offset): Add prototype. **** start-sanitize-chill **** * Makefile.in (SFILES_MAINDIR): Add ch-typeprint.c, ch-valprint.c. * Makefile.in (OBS): Add ch-typeprint.o, ch-valprint.o. * ch-typeprint.c: New file for language dependent type printing. * ch-valprint.c: New file for language dependent value printing. * ch-exp.y (parse_number): Remove prototype and stub function. * ch-exp.y (decode_integer_literal): Removed unused digits and temp variables. * ch-exp.y (convert_float): Completely ifdef out for now. * ch-exp.y (tokentab2, tokentab3, tokentab4, tokentab5), ch-lang.c (chill_op_print_tab): Change from ANSI-obsolescent "const static" to ANSI-conformant "static const". * ch-exp.y (yylex): Add unhandled storage class enumeration literals to switch statement for completeness. * ch-lang.c (chill_create_fundamental_types): Remove unused nbytes variable. Change dummy type to 2 bytes to match int. Handle FT_VOID types gratuituously added to chill DWARF by compiler. Change FT_CHAR case to generate an TYPE_CODE_CHAR type rather than a one byte TYPE_CODE_INT type. * ch-lang.c (chill_language_defn): Add chill_print_type and chill_val_print. * ch-lang.h (chill_print_type, chill_val_print): Add prototypes. **** end-sanitize-chill ****
1992-12-18 21:21:32 +01:00
while ((d = display_chain) != NULL)
1991-03-28 17:26:26 +01:00
{
free ((PTR)d->exp);
1991-03-28 17:26:26 +01:00
display_chain = d->next;
free ((PTR)d);
1991-03-28 17:26:26 +01:00
}
}
/* Delete the auto-display number NUM. */
static void
1991-03-28 17:26:26 +01:00
delete_display (num)
int num;
{
register struct display *d1, *d;
if (!display_chain)
error ("No display number %d.", num);
if (display_chain->number == num)
{
d1 = display_chain;
display_chain = d1->next;
free_display (d1);
}
else
for (d = display_chain; ; d = d->next)
{
if (d->next == 0)
error ("No display number %d.", num);
if (d->next->number == num)
{
d1 = d->next;
d->next = d1->next;
free_display (d1);
break;
}
}
}
/* Delete some values from the auto-display chain.
Specify the element numbers. */
static void
undisplay_command (args, from_tty)
1991-03-28 17:26:26 +01:00
char *args;
int from_tty;
1991-03-28 17:26:26 +01:00
{
register char *p = args;
register char *p1;
register int num;
if (args == 0)
{
if (query ("Delete all auto-display expressions? "))
clear_displays ();
dont_repeat ();
return;
}
while (*p)
{
p1 = p;
while (*p1 >= '0' && *p1 <= '9') p1++;
if (*p1 && *p1 != ' ' && *p1 != '\t')
error ("Arguments must be display numbers.");
num = atoi (p);
delete_display (num);
p = p1;
while (*p == ' ' || *p == '\t') p++;
}
dont_repeat ();
}
/* Display a single auto-display.
Do nothing if the display cannot be printed in the current context,
or if the display is disabled. */
static void
do_one_display (d)
struct display *d;
{
int within_current_scope;
if (d->status == disabled)
return;
if (d->block)
within_current_scope = contained_in (get_selected_block (), d->block);
else
within_current_scope = 1;
if (!within_current_scope)
return;
current_display_number = d->number;
printf_filtered ("%d: ", d->number);
if (d->format.size)
{
CORE_ADDR addr;
printf_filtered ("x/");
if (d->format.count != 1)
printf_filtered ("%d", d->format.count);
printf_filtered ("%c", d->format.format);
if (d->format.format != 'i' && d->format.format != 's')
printf_filtered ("%c", d->format.size);
printf_filtered (" ");
print_expression (d->exp, stdout);
if (d->format.count != 1)
printf_filtered ("\n");
else
printf_filtered (" ");
addr = value_as_pointer (evaluate_expression (d->exp));
1991-03-28 17:26:26 +01:00
if (d->format.format == 'i')
addr = ADDR_BITS_REMOVE (addr);
do_examine (d->format, addr);
}
else
{
if (d->format.format)
printf_filtered ("/%c ", d->format.format);
print_expression (d->exp, stdout);
printf_filtered (" = ");
print_formatted (evaluate_expression (d->exp),
d->format.format, d->format.size);
printf_filtered ("\n");
}
fflush (stdout);
current_display_number = -1;
}
/* Display all of the values on the auto-display chain which can be
evaluated in the current scope. */
void
do_displays ()
{
register struct display *d;
for (d = display_chain; d; d = d->next)
do_one_display (d);
}
/* Delete the auto-display which we were in the process of displaying.
This is done when there is an error or a signal. */
void
disable_display (num)
int num;
{
register struct display *d;
for (d = display_chain; d; d = d->next)
if (d->number == num)
{
d->status = disabled;
return;
}
printf ("No display number %d.\n", num);
}
void
disable_current_display ()
{
if (current_display_number >= 0)
{
disable_display (current_display_number);
fprintf (stderr, "Disabling display %d to avoid infinite recursion.\n",
current_display_number);
}
current_display_number = -1;
}
static void
display_info (ignore, from_tty)
char *ignore;
int from_tty;
1991-03-28 17:26:26 +01:00
{
register struct display *d;
if (!display_chain)
printf ("There are no auto-display expressions now.\n");
else
printf_filtered ("Auto-display expressions now in effect:\n\
Num Enb Expression\n");
for (d = display_chain; d; d = d->next)
{
printf_filtered ("%d: %c ", d->number, "ny"[(int)d->status]);
if (d->format.size)
printf_filtered ("/%d%c%c ", d->format.count, d->format.size,
d->format.format);
else if (d->format.format)
printf_filtered ("/%c ", d->format.format);
print_expression (d->exp, stdout);
if (d->block && !contained_in (get_selected_block (), d->block))
printf_filtered (" (cannot be evaluated in the current context)");
printf_filtered ("\n");
fflush (stdout);
}
}
static void
enable_display (args, from_tty)
1991-03-28 17:26:26 +01:00
char *args;
int from_tty;
1991-03-28 17:26:26 +01:00
{
register char *p = args;
register char *p1;
register int num;
register struct display *d;
if (p == 0)
{
for (d = display_chain; d; d = d->next)
d->status = enabled;
}
else
while (*p)
{
p1 = p;
while (*p1 >= '0' && *p1 <= '9')
p1++;
if (*p1 && *p1 != ' ' && *p1 != '\t')
error ("Arguments must be display numbers.");
num = atoi (p);
for (d = display_chain; d; d = d->next)
if (d->number == num)
{
d->status = enabled;
goto win;
}
printf ("No display number %d.\n", num);
win:
p = p1;
while (*p == ' ' || *p == '\t')
p++;
}
}
/* ARGSUSED */
static void
1991-03-28 17:26:26 +01:00
disable_display_command (args, from_tty)
char *args;
int from_tty;
{
register char *p = args;
register char *p1;
register struct display *d;
if (p == 0)
{
for (d = display_chain; d; d = d->next)
d->status = disabled;
}
else
while (*p)
{
p1 = p;
while (*p1 >= '0' && *p1 <= '9')
p1++;
if (*p1 && *p1 != ' ' && *p1 != '\t')
error ("Arguments must be display numbers.");
disable_display (atoi (p));
p = p1;
while (*p == ' ' || *p == '\t')
p++;
}
}
/* Print the value in stack frame FRAME of a variable
specified by a struct symbol. */
void
print_variable_value (var, frame, stream)
struct symbol *var;
FRAME frame;
FILE *stream;
{
value val = read_var_value (var, frame);
value_print (val, stream, 0, Val_pretty_default);
}
/* Print the arguments of a stack frame, given the function FUNC
running in that frame (as a symbol), the info on the frame,
and the number of args according to the stack frame (or -1 if unknown). */
/* References here and elsewhere to "number of args according to the
stack frame" appear in all cases to refer to "number of ints of args
according to the stack frame". At least for VAX, i386, isi. */
void
print_frame_args (func, fi, num, stream)
struct symbol *func;
struct frame_info *fi;
int num;
FILE *stream;
{
struct block *b;
int nsyms = 0;
int first = 1;
register int i;
register struct symbol *sym;
register value val;
/* Offset of next stack argument beyond the one we have seen that is
at the highest offset.
-1 if we haven't come to a stack argument yet. */
long highest_offset = -1;
1991-03-28 17:26:26 +01:00
int arg_size;
/* Number of ints of arguments that we have printed so far. */
int args_printed = 0;
if (func)
{
b = SYMBOL_BLOCK_VALUE (func);
nsyms = BLOCK_NSYMS (b);
}
for (i = 0; i < nsyms; i++)
{
QUIT;
sym = BLOCK_SYM (b, i);
1991-11-09 08:45:36 +01:00
/* Keep track of the highest stack argument offset seen, and
skip over any kinds of symbols we don't care about. */
1991-03-28 17:26:26 +01:00
switch (SYMBOL_CLASS (sym)) {
case LOC_ARG:
case LOC_REF_ARG:
{
long current_offset = SYMBOL_VALUE (sym);
1991-03-28 17:26:26 +01:00
arg_size = TYPE_LENGTH (SYMBOL_TYPE (sym));
/* Compute address of next argument by adding the size of
this argument and rounding to an int boundary. */
current_offset
= ((current_offset + arg_size + sizeof (int) - 1)
& ~(sizeof (int) - 1));
/* If this is the highest offset seen yet, set highest_offset. */
if (highest_offset == -1
|| (current_offset > highest_offset))
highest_offset = current_offset;
/* Add the number of ints we're about to print to args_printed. */
args_printed += (arg_size + sizeof (int) - 1) / sizeof (int);
}
1991-11-09 08:45:36 +01:00
/* We care about types of symbols, but don't need to keep track of
stack offsets in them. */
case LOC_REGPARM:
case LOC_REGPARM_ADDR:
1991-11-09 08:45:36 +01:00
case LOC_LOCAL_ARG:
1991-03-28 17:26:26 +01:00
break;
1991-11-09 08:45:36 +01:00
/* Other types of symbols we just skip over. */
default:
continue;
1991-03-28 17:26:26 +01:00
}
/* We have to look up the symbol because arguments can have
two entries (one a parameter, one a local) and the one we
want is the local, which lookup_symbol will find for us.
This includes gcc1 (not gcc2) on the sparc when passing a
small structure and gcc2 when the argument type is float
and it is passed as a double and converted to float by
the prologue (in the latter case the type of the LOC_ARG
symbol is double and the type of the LOC_LOCAL symbol is
float). There are also LOC_ARG/LOC_REGISTER pairs which
are not combined in symbol-reading. */
/* But if the parameter name is null, don't try it.
* Makefile.in (VERSION): Bump to 4.7.4. * Makefile.in (SFILES_MAINDIR): Add typeprint.c, c-typeprint.c, m2-typeprint.c, c-valprint.c cp-valprint.c m2-valprint.c. * Makefile.in (HFILES): Add valprint.h. * Makefile.in (OBS): Add typeprint.o, c-typeprint.o, m2-typeprint.o, c-valprint.o, cp-valprint.o m2-valprint.o. * typeprint.c, typeprint.h: New files for language independent type printing functions. * c-typeprint.c, m2-typeprint.c: New files for language dependent type printing functions and definitions. * valprint.h: New include file for language independent value printing definitions. * c-valprint.c, cp-valprint.c, m2-valprint.c: New files for language dependent value printing functions. * c-exp.y (production ptype): Add range_type variable and use new create_range_type function. * c-exp.y (tokentab2, tokentab3), c-lang.c (c_op_print_tab), infcmd.c (path_var_name), language.c (unk_op_print_tab), m2-lang.c (m2_op_print_tab): Change from ANSI-obsolescent "const static" to ANSI-conformant "static const". * c-exp.y (c_create_fundamental_type): Remove unused nbytes. * c-exp.y (c_language_defn, cplus_language_defn): Add c_print_type, and c_val_print. * c-lang.h (c_print_type, c_val_print): Add prototypes. * coffread.c (decode_type): Add range_type variable and call to new create_range_type function. * complaints.c (complain): Remove unused val variable. * complaints.c (_initialize_complaints): Make it void. * convex-tdep.c (value_of_trapped_internalvar): Add range_type variable and call new create_range_type function. * defs.h (enum val_prettyprint): Move enum from value.h to here so we can avoid having to include value.h just for prototypes that need the enum (thanks ANSI). * dwarfread.c (struct_type): Local anonymous_size variable is only used if !BITS_BIG_ENDIAN. * dwarfread.c (decode_subscript_data_item): Add rangetype variable and call new create_range_type function. * elfread.c (elf_symfile_read): Remove unused dbx and text_sect variables. * eval.c (evaluate_subexp): Remove unused local variable name and the statement with no side effects that initializes it. * expprint.c (print_subexp): Change local_printstr to LA_PRINT_STRING. * gdbtypes.c (create_range_type): New function that creates a range type using code fragments from object file readers as an example of what has to be initialized. * gdbtypes.c (create_array_type): Removed index_type, low_bound, and high_bound parameters, replaced with a single range_type parameter. Change function body to use passed in range_type rather than handcrafting one. * gdbtypes.h (create_range_type): Add prototype. * gdbtypes.h (create_array_type): Change prototype parameters. * infrun.c (normal_stop): Remove unused local variables tem and c. * infrun.c (hook_stop_stub): Return 0 rather than random value. * language.c (unk_lang_print_type, unk_lang_val_print): Add stub functions that call error if called. * language.c (unknown_language_defn, auto_language_defn, local_language_defn): Add initializers unk_lang_print_type and unk_lang_val_print. * language.h (struct language_defn): Reformat for larger comments, add la_print_type and la_val_print members. Add LA_PRINT_TYPE and LA_VAL_PRINT macros. Change local_printchar to LA_PRINT_CHAR and local_printstr to LA_PRINT_STRING. * m2-lang.c (m2_create_fundamental_type): Remove unused local variable nbytes. * m2-lang.c (m2_language_defn): Add initializers m2_print_type and m2_val_print. * m2-lang.h (m2_print_type, m2_val_print): Add prototypes. * main.c (execute_command): Remove unused local variable cmdlines. * main.c (echo_command), stabsread.c (read_type), printcmd.c (clear_displays), symmisc.c (block_depth), values.c (clear_value_history): Make testing of truth value of assignment result explicit. * mipsread.c (upgrade_type): Update FIXME to include future use of create_range_type. * printcmd.c (ptype_command, ptype_eval, whatis_command, whatis_exp, maintenance_print_type): Move prototypes and functions to new typeprint.c. * printcmd.c (_initialize_printcmd): Move add_com calls for ptype_command and whatis_command to new typeprint.c. * ser-bsd.c (serial_open): Remove unused variable sgttyb. * source.c (find_source_lines): Local variable c only used when LSEEK_NOT_LINEAR is defined. * stabsread.c (read_array_type): Use new create_range_type function. * stabsread.c (read_range_type): Add new index_type variable and call new create_range_type function rather than handcrafting range types. * symmisc.c (type_print_1): Change usages to LA_PRINT_TYPE. * symtab.c (typedef_print usages): Use c_typedef_print, renamed. * symtab.c (type_print_base usages): Use c_type_print_base. * symtab.c (type_print_varspec_prefix usages): Use c_type_print_varspec_prefix. * symtab.c (type_print_method_args usages): Use cp_type_print_method_args. * valprint.c: Completely ripped apart and the fragments used to create c-valprint.c, cp-valprint.c, m2-valprint.c, and valprint.h. Remaining stuff is language independent. * value.h (struct fn_field): Forward declare for prototypes. * value.h (type_print_1): Remove prototype. * value.h (enum val_prettyprint): Moved to defs.h. * value.h (typedef_print): Prototype renamed to c_typedef_print. * value.h (baseclass_offset): Add prototype. **** start-sanitize-chill **** * Makefile.in (SFILES_MAINDIR): Add ch-typeprint.c, ch-valprint.c. * Makefile.in (OBS): Add ch-typeprint.o, ch-valprint.o. * ch-typeprint.c: New file for language dependent type printing. * ch-valprint.c: New file for language dependent value printing. * ch-exp.y (parse_number): Remove prototype and stub function. * ch-exp.y (decode_integer_literal): Removed unused digits and temp variables. * ch-exp.y (convert_float): Completely ifdef out for now. * ch-exp.y (tokentab2, tokentab3, tokentab4, tokentab5), ch-lang.c (chill_op_print_tab): Change from ANSI-obsolescent "const static" to ANSI-conformant "static const". * ch-exp.y (yylex): Add unhandled storage class enumeration literals to switch statement for completeness. * ch-lang.c (chill_create_fundamental_types): Remove unused nbytes variable. Change dummy type to 2 bytes to match int. Handle FT_VOID types gratuituously added to chill DWARF by compiler. Change FT_CHAR case to generate an TYPE_CODE_CHAR type rather than a one byte TYPE_CODE_INT type. * ch-lang.c (chill_language_defn): Add chill_print_type and chill_val_print. * ch-lang.h (chill_print_type, chill_val_print): Add prototypes. **** end-sanitize-chill ****
1992-12-18 21:21:32 +01:00
Null parameter names occur on the RS/6000, for traceback tables.
FIXME, should we even print them? */
if (*SYMBOL_NAME (sym))
sym = lookup_symbol
(SYMBOL_NAME (sym),
b, VAR_NAMESPACE, (int *)NULL, (struct symtab **)NULL);
1991-11-09 08:45:36 +01:00
1991-03-28 17:26:26 +01:00
/* Print the current arg. */
if (! first)
fprintf_filtered (stream, ", ");
wrap_here (" ");
fprintf_symbol_filtered (stream, SYMBOL_SOURCE_NAME (sym),
SYMBOL_LANGUAGE (sym), DMGL_PARAMS | DMGL_ANSI);
1991-03-28 17:26:26 +01:00
fputs_filtered ("=", stream);
/* Avoid value_print because it will deref ref parameters. We just
want to print their addresses. Print ??? for args whose address
we do not know. We pass 2 as "recurse" to val_print because our
standard indentation here is 4 spaces, and val_print indents
2 for each recurse. */
1991-03-28 17:26:26 +01:00
val = read_var_value (sym, FRAME_INFO_ID (fi));
if (val)
val_print (VALUE_TYPE (val), VALUE_CONTENTS (val), VALUE_ADDRESS (val),
stream, 0, 0, 2, Val_no_prettyprint);
1991-03-28 17:26:26 +01:00
else
fputs_filtered ("???", stream);
first = 0;
}
/* Don't print nameless args in situations where we don't know
enough about the stack to find them. */
if (num != -1)
{
long start;
1991-03-28 17:26:26 +01:00
if (highest_offset == -1)
start = FRAME_ARGS_SKIP;
else
start = highest_offset;
print_frame_nameless_args (fi, start, num - args_printed,
first, stream);
1991-03-28 17:26:26 +01:00
}
}
/* Print nameless args on STREAM.
FI is the frameinfo for this frame, START is the offset
1991-03-28 17:26:26 +01:00
of the first nameless arg, and NUM is the number of nameless args to
print. FIRST is nonzero if this is the first argument (not just
the first nameless arg). */
static void
print_frame_nameless_args (fi, start, num, first, stream)
struct frame_info *fi;
long start;
1991-03-28 17:26:26 +01:00
int num;
int first;
FILE *stream;
{
int i;
CORE_ADDR argsaddr;
long arg_value;
1991-03-28 17:26:26 +01:00
for (i = 0; i < num; i++)
{
QUIT;
#ifdef NAMELESS_ARG_VALUE
NAMELESS_ARG_VALUE (fi, start, &arg_value);
#else
argsaddr = FRAME_ARGS_ADDRESS (fi);
if (!argsaddr)
return;
arg_value = read_memory_integer (argsaddr + start, sizeof (int));
#endif
1991-03-28 17:26:26 +01:00
if (!first)
fprintf_filtered (stream, ", ");
#ifdef PRINT_NAMELESS_INTEGER
PRINT_NAMELESS_INTEGER (stream, arg_value);
1991-03-28 17:26:26 +01:00
#else
#ifdef PRINT_TYPELESS_INTEGER
PRINT_TYPELESS_INTEGER (stream, builtin_type_int, (LONGEST) arg_value);
#else
fprintf_filtered (stream, "%d", arg_value);
#endif /* PRINT_TYPELESS_INTEGER */
#endif /* PRINT_NAMELESS_INTEGER */
1991-03-28 17:26:26 +01:00
first = 0;
start += sizeof (int);
}
}
/* ARGSUSED */
1991-03-28 17:26:26 +01:00
static void
printf_command (arg, from_tty)
char *arg;
int from_tty;
{
register char *f;
register char *s = arg;
char *string;
value *val_args;
int nargs = 0;
int allocated_args = 20;
char *arg_bytes;
val_args = (value *) xmalloc (allocated_args * sizeof (value));
if (s == 0)
error_no_arg ("format-control string and values to print");
/* Skip white space before format string */
while (*s == ' ' || *s == '\t') s++;
/* A format string should follow, enveloped in double quotes */
if (*s++ != '"')
error ("Bad format string, missing '\"'.");
/* Parse the format-control string and copy it into the string STRING,
processing some kinds of escape sequence. */
f = string = (char *) alloca (strlen (s) + 1);
while (*s != '"')
{
int c = *s++;
switch (c)
{
case '\0':
error ("Bad format string, non-terminated '\"'.");
/* doesn't return */
case '\\':
switch (c = *s++)
{
case '\\':
*f++ = '\\';
break;
case 'n':
*f++ = '\n';
break;
case 't':
*f++ = '\t';
break;
case 'r':
*f++ = '\r';
break;
case '"':
*f++ = '"';
break;
default:
/* ??? TODO: handle other escape sequences */
error ("Unrecognized \\ escape character in format string.");
}
break;
default:
*f++ = c;
}
}
/* Skip over " and following space and comma. */
s++;
*f++ = '\0';
while (*s == ' ' || *s == '\t') s++;
if (*s != ',' && *s != 0)
error ("Invalid argument syntax");
if (*s == ',') s++;
while (*s == ' ' || *s == '\t') s++;
{
/* Now scan the string for %-specs and see what kinds of args they want.
argclass[I] classifies the %-specs so we can give vprintf something
of the right size. */
enum argclass {int_arg, string_arg, double_arg, long_long_arg};
enum argclass *argclass;
int nargs_wanted;
int argindex;
int lcount;
int i;
argclass = (enum argclass *) alloca (strlen (s) * sizeof *argclass);
nargs_wanted = 0;
f = string;
while (*f)
if (*f++ == '%')
{
lcount = 0;
while (strchr ("0123456789.hlL-+ #", *f))
{
if (*f == 'l' || *f == 'L')
lcount++;
f++;
}
if (*f == 's')
argclass[nargs_wanted++] = string_arg;
else if (*f == 'e' || *f == 'f' || *f == 'g')
argclass[nargs_wanted++] = double_arg;
else if (lcount > 1)
argclass[nargs_wanted++] = long_long_arg;
else if (*f != '%')
argclass[nargs_wanted++] = int_arg;
f++;
}
/* Now, parse all arguments and evaluate them.
Store the VALUEs in VAL_ARGS. */
while (*s != '\0')
{
char *s1;
if (nargs == allocated_args)
val_args = (value *) xrealloc ((char *) val_args,
1991-03-28 17:26:26 +01:00
(allocated_args *= 2)
* sizeof (value));
s1 = s;
val_args[nargs] = parse_to_comma_and_eval (&s1);
/* If format string wants a float, unchecked-convert the value to
floating point of the same size */
if (argclass[nargs] == double_arg)
{
if (TYPE_LENGTH (VALUE_TYPE (val_args[nargs])) == sizeof (float))
VALUE_TYPE (val_args[nargs]) = builtin_type_float;
if (TYPE_LENGTH (VALUE_TYPE (val_args[nargs])) == sizeof (double))
VALUE_TYPE (val_args[nargs]) = builtin_type_double;
}
nargs++;
s = s1;
if (*s == ',')
s++;
}
if (nargs != nargs_wanted)
error ("Wrong number of arguments for specified format-string");
/* Now lay out an argument-list containing the arguments
as doubles, integers and C pointers. */
arg_bytes = (char *) alloca (sizeof (double) * nargs);
argindex = 0;
for (i = 0; i < nargs; i++)
{
if (argclass[i] == string_arg)
{
char *str;
CORE_ADDR tem;
int j;
tem = value_as_pointer (val_args[i]);
1991-03-28 17:26:26 +01:00
/* This is a %s argument. Find the length of the string. */
for (j = 0; ; j++)
{
char c;
QUIT;
read_memory (tem + j, &c, 1);
if (c == 0)
break;
}
/* Copy the string contents into a string inside GDB. */
str = (char *) alloca (j + 1);
read_memory (tem, str, j);
str[j] = 0;
/* Pass address of internal copy as the arg to vprintf. */
*((int *) &arg_bytes[argindex]) = (int) str;
argindex += sizeof (int);
}
else if (VALUE_TYPE (val_args[i])->code == TYPE_CODE_FLT)
{
*((double *) &arg_bytes[argindex]) = value_as_double (val_args[i]);
argindex += sizeof (double);
}
else
#ifdef CC_HAS_LONG_LONG
1991-03-28 17:26:26 +01:00
if (argclass[i] == long_long_arg)
{
*(LONGEST *) &arg_bytes[argindex] = value_as_long (val_args[i]);
argindex += sizeof (LONGEST);
1991-03-28 17:26:26 +01:00
}
else
#endif
{
*((long *) &arg_bytes[argindex]) = value_as_long (val_args[i]);
argindex += sizeof (long);
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}
}
}
/* There is not a standard way to make a va_list, so we need
to do various things for different systems. */
#if defined (__INT_VARARGS_H)
{
va_list list;
list.__va_arg = 0;
list.__va_stk = (int *) arg_bytes;
list.__va_reg = (int *) arg_bytes;
vprintf (string, list);
}
#else /* No __INT_VARARGS_H. */
vprintf (string, arg_bytes);
#endif /* No __INT_VARARGS_H. */
}
/* Helper function for asdump_command. Finds the bounds of a function
for a specified section of text. PC is an address within the
function which you want bounds for; *LOW and *HIGH are set to the
beginning (inclusive) and end (exclusive) of the function. This
function returns 1 on success and 0 on failure. */
static int
containing_function_bounds (pc, low, high)
CORE_ADDR pc, *low, *high;
{
CORE_ADDR scan;
CORE_ADDR limit;
struct obj_section *sec;
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if (!find_pc_partial_function (pc, 0, low))
return 0;
sec = find_pc_section (pc);
if (sec == NULL)
return 0;
limit = sec->endaddr;
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scan = *low;
while (scan < limit)
{
++scan;
if (!find_pc_partial_function (scan, 0, high))
return 0;
if (*low != *high)
return 1;
}
*high = limit;
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return 1;
}
/* Dump a specified section of assembly code. With no command line
arguments, this command will dump the assembly code for the
function surrounding the pc value in the selected frame. With one
argument, it will dump the assembly code surrounding that pc value.
Two arguments are interpeted as bounds within which to dump
assembly. */
/* ARGSUSED */
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static void
disassemble_command (arg, from_tty)
char *arg;
int from_tty;
{
CORE_ADDR low, high;
CORE_ADDR pc;
char *space_index;
if (!arg)
{
if (!selected_frame)
error ("No frame selected.\n");
pc = get_frame_pc (selected_frame);
if (!containing_function_bounds (pc, &low, &high))
error ("No function contains pc specified by selected frame.\n");
}
else if (!(space_index = (char *) strchr (arg, ' ')))
{
/* One argument. */
pc = parse_and_eval_address (arg);
if (!containing_function_bounds (pc, &low, &high))
error ("No function contains specified pc.\n");
}
else
{
/* Two arguments. */
*space_index = '\0';
low = parse_and_eval_address (arg);
high = parse_and_eval_address (space_index + 1);
}
printf_filtered ("Dump of assembler code ");
if (!space_index)
{
char *name;
find_pc_partial_function (pc, &name, 0);
printf_filtered ("for function %s:\n", name);
}
else
{
printf_filtered ("from %s ", local_hex_string(low));
printf_filtered ("to %s:\n", local_hex_string(high));
}
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/* Dump the specified range. */
for (pc = low; pc < high; )
{
QUIT;
print_address (pc, stdout);
printf_filtered (":\t");
pc += print_insn (pc, stdout);
printf_filtered ("\n");
}
printf_filtered ("End of assembler dump.\n");
fflush (stdout);
}
void
_initialize_printcmd ()
{
current_display_number = -1;
add_info ("address", address_info,
"Describe where variable VAR is stored.");
add_com ("x", class_vars, x_command,
"Examine memory: x/FMT ADDRESS.\n\
ADDRESS is an expression for the memory address to examine.\n\
FMT is a repeat count followed by a format letter and a size letter.\n\
Format letters are o(octal), x(hex), d(decimal), u(unsigned decimal),\n\
t(binary), f(float), a(address), i(instruction), c(char) and s(string).\n\
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Size letters are b(byte), h(halfword), w(word), g(giant, 8 bytes).\n\
The specified number of objects of the specified size are printed\n\
according to the format.\n\n\
Defaults for format and size letters are those previously used.\n\
Default count is 1. Default address is following last thing printed\n\
with this command or \"print\".");
add_com ("disassemble", class_vars, disassemble_command,
"Disassemble a specified section of memory.\n\
Default is the function surrounding the pc of the selected frame.\n\
With a single argument, the function surrounding that address is dumped.\n\
Two arguments are taken as a range of memory to dump.");
#if 0
add_com ("whereis", class_vars, whereis_command,
"Print line number and file of definition of variable.");
#endif
add_info ("display", display_info,
"Expressions to display when program stops, with code numbers.");
add_cmd ("undisplay", class_vars, undisplay_command,
"Cancel some expressions to be displayed when program stops.\n\
Arguments are the code numbers of the expressions to stop displaying.\n\
No argument means cancel all automatic-display expressions.\n\
\"delete display\" has the same effect as this command.\n\
Do \"info display\" to see current list of code numbers.",
&cmdlist);
add_com ("display", class_vars, display_command,
"Print value of expression EXP each time the program stops.\n\
/FMT may be used before EXP as in the \"print\" command.\n\
/FMT \"i\" or \"s\" or including a size-letter is allowed,\n\
as in the \"x\" command, and then EXP is used to get the address to examine\n\
and examining is done as in the \"x\" command.\n\n\
With no argument, display all currently requested auto-display expressions.\n\
Use \"undisplay\" to cancel display requests previously made.");
add_cmd ("display", class_vars, enable_display,
"Enable some expressions to be displayed when program stops.\n\
Arguments are the code numbers of the expressions to resume displaying.\n\
No argument means enable all automatic-display expressions.\n\
Do \"info display\" to see current list of code numbers.", &enablelist);
add_cmd ("display", class_vars, disable_display_command,
"Disable some expressions to be displayed when program stops.\n\
Arguments are the code numbers of the expressions to stop displaying.\n\
No argument means disable all automatic-display expressions.\n\
Do \"info display\" to see current list of code numbers.", &disablelist);
add_cmd ("display", class_vars, undisplay_command,
"Cancel some expressions to be displayed when program stops.\n\
Arguments are the code numbers of the expressions to stop displaying.\n\
No argument means cancel all automatic-display expressions.\n\
Do \"info display\" to see current list of code numbers.", &deletelist);
add_com ("printf", class_vars, printf_command,
"printf \"printf format string\", arg1, arg2, arg3, ..., argn\n\
This is useful for formatted output in user-defined commands.");
add_com ("output", class_vars, output_command,
"Like \"print\" but don't put in value history and don't print newline.\n\
This is useful in user-defined commands.");
add_prefix_cmd ("set", class_vars, set_command,
"Evaluate expression EXP and assign result to variable VAR, using assignment\n\
syntax appropriate for the current language (VAR = EXP or VAR := EXP for\n\
example). VAR may be a debugger \"convenience\" variable (names starting\n\
with $), a register (a few standard names starting with $), or an actual\n\
variable in the program being debugged. EXP is any valid expression.\n\
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Use \"set variable\" for variables with names identical to set subcommands.\n\
\nWith a subcommand, this command modifies parts of the gdb environment.\n\
You can see these environment settings with the \"show\" command.",
&setlist, "set ", 1, &cmdlist);
/* "call" is the same as "set", but handy for dbx users to call fns. */
add_com ("call", class_vars, call_command,
"Call a function in the program.\n\
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The argument is the function name and arguments, in the notation of the\n\
current working language. The result is printed and saved in the value\n\
history, if it is not void.");
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add_cmd ("variable", class_vars, set_command,
"Evaluate expression EXP and assign result to variable VAR, using assignment\n\
syntax appropriate for the current language (VAR = EXP or VAR := EXP for\n\
example). VAR may be a debugger \"convenience\" variable (names starting\n\
with $), a register (a few standard names starting with $), or an actual\n\
variable in the program being debugged. EXP is any valid expression.\n\
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This may usually be abbreviated to simply \"set\".",
&setlist);
add_com ("print", class_vars, print_command,
concat ("Print value of expression EXP.\n\
Variables accessible are those of the lexical environment of the selected\n\
stack frame, plus all those whose scope is global or an entire file.\n\
\n\
$NUM gets previous value number NUM. $ and $$ are the last two values.\n\
$$NUM refers to NUM'th value back from the last one.\n\
Names starting with $ refer to registers (with the values they would have\n\
if the program were to return to the stack frame now selected, restoring\n\
all registers saved by frames farther in) or else to debugger\n\
\"convenience\" variables (any such name not a known register).\n\
Use assignment expressions to give values to convenience variables.\n",
"\n\
{TYPE}ADREXP refers to a datum of data type TYPE, located at address ADREXP.\n\
@ is a binary operator for treating consecutive data objects\n\
anywhere in memory as an array. FOO@NUM gives an array whose first\n\
element is FOO, whose second element is stored in the space following\n\
where FOO is stored, etc. FOO must be an expression whose value\n\
resides in memory.\n",
"\n\
EXP may be preceded with /FMT, where FMT is a format letter\n\
but no count or size letter (see \"x\" command).", NULL));
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add_com_alias ("p", "print", class_vars, 1);
add_com ("inspect", class_vars, inspect_command,
"Same as \"print\" command, except that if you are running in the epoch\n\
environment, the value is printed in its own window.");
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);
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}