#include "defs.h"
#include "gdb_string.h"
#include "frame.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "value.h"
#include "language.h"
#include "expression.h"
#include "gdbcore.h"
#include "gdbcmd.h"
#include "target.h"
#include "breakpoint.h"
#include "demangle.h"
#include "valprint.h"
#include "annotate.h"
#include "symfile.h"
#include "objfiles.h"
#include "completer.h"
#include "ui-out.h"
#include "gdb_assert.h"
#include "block.h"
#include "disasm.h"
#include "objc-lang.h"
#ifdef TUI
#include "tui/tui.h"
#endif
extern int asm_demangle;
extern int addressprint;
struct format_data
{
int count;
char format;
char size;
};
static char last_format = 'x';
static char last_size = 'w';
static CORE_ADDR next_address;
static CORE_ADDR last_examine_address;
static struct value *last_examine_value;
int disassembly_name_length = -1;
static unsigned int max_symbolic_offset = UINT_MAX;
static void
show_max_symbolic_offset (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
fprintf_filtered (file, _("\
The largest offset that will be printed in <symbol+1234> form is %s.\n"),
value);
}
static int print_symbol_filename = 0;
static void
show_print_symbol_filename (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
fprintf_filtered (file, _("\
Printing of source filename and line number with <symbol> is %s.\n"),
value);
}
int current_display_number;
int inspect_it = 0;
struct display
{
struct display *next;
struct expression *exp;
int number;
struct format_data format;
struct block *block;
int enabled_p;
};
static struct display *display_chain;
static int display_number;
void output_command (char *, int);
void _initialize_printcmd (void);
static void delete_display (int);
static void enable_display (char *, int);
static void disable_display_command (char *, int);
static void printf_command (char *, int);
static void display_info (char *, int);
static void do_one_display (struct display *);
static void undisplay_command (char *, int);
static void free_display (struct display *);
static void display_command (char *, int);
void x_command (char *, int);
static void address_info (char *, int);
static void set_command (char *, int);
static void call_command (char *, int);
static void inspect_command (char *, int);
static void print_command (char *, int);
static void print_command_1 (char *, int, int);
static void validate_format (struct format_data, char *);
static void print_formatted (struct value *, int, int, struct ui_file *);
static struct format_data decode_format (char **, int, int);
static void sym_info (char *, int);
static struct format_data
decode_format (char **string_ptr, int oformat, int osize)
{
struct format_data val;
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++;
while (1)
{
if (*p == 'b' || *p == 'h' || *p == 'w' || *p == 'g')
val.size = *p++;
else if (*p >= 'a' && *p <= 'z')
val.format = *p++;
else if (*p == 'T')
val.format = *p++;
else if (*p == 'A')
val.format = *p++;
else
break;
}
while (*p == ' ' || *p == '\t')
p++;
*string_ptr = p;
if (val.format == '?')
{
if (val.size == '?')
{
val.format = oformat;
val.size = osize;
}
else
val.format = oformat == 'i' ? 'x' : oformat;
}
else if (val.size == '?')
switch (val.format)
{
case 'a':
case 's':
if (TARGET_PTR_BIT == 64)
val.size = osize ? 'g' : osize;
else if (TARGET_PTR_BIT == 32)
val.size = osize ? 'w' : osize;
else if (TARGET_PTR_BIT == 16)
val.size = osize ? 'h' : osize;
else
internal_error (__FILE__, __LINE__, _("failed internal consistency check"));
break;
case 'f':
case 'A':
if (osize == 'w' || osize == 'g')
val.size = osize;
else
val.size = osize ? 'g' : osize;
break;
case 'c':
val.size = osize ? 'b' : osize;
break;
case 'i':
val.size = 'b';
break;
default:
val.size = osize;
}
return val;
}
char g_examine_i_size = 'b';
static void
print_formatted (struct value *val, int format, int size,
struct ui_file *stream)
{
struct type *type = check_typedef (value_type (val));
int len = TYPE_LENGTH (type);
if (VALUE_LVAL (val) == lval_memory)
{
next_address = VALUE_ADDRESS (val) + len;
}
switch (format)
{
case 's':
next_address = VALUE_ADDRESS (val)
+ val_print_string (VALUE_ADDRESS (val), -1, 1, stream);
break;
case 'T':
{
printf_filtered ("'");
print_ostype (gdb_stdout, type, (unsigned char *) value_contents (val));
printf_filtered ("'");
break;
}
case 'i':
g_examine_i_size = size;
wrap_here (" ");
next_address = VALUE_ADDRESS (val)
+ gdb_print_insn (VALUE_ADDRESS (val), stream);
g_examine_i_size = 'b';
break;
default:
if (format == 0
|| TYPE_CODE (type) == TYPE_CODE_ARRAY
|| TYPE_CODE (type) == TYPE_CODE_STRING
|| TYPE_CODE (type) == TYPE_CODE_STRUCT
|| TYPE_CODE (type) == TYPE_CODE_UNION
|| TYPE_CODE (type) == TYPE_CODE_NAMESPACE)
value_print (val, stream, format, Val_pretty_default);
else
print_scalar_formatted (value_contents (val), type,
format, size, stream);
}
}
void
print_scalar_formatted (const void *valaddr, struct type *type,
int format, int size, struct ui_file *stream)
{
LONGEST val_long = 0;
unsigned int len = TYPE_LENGTH (type);
if (len > sizeof(LONGEST) &&
(TYPE_CODE (type) == TYPE_CODE_INT
|| TYPE_CODE (type) == TYPE_CODE_ENUM))
{
switch (format)
{
case 'o':
print_octal_chars (stream, valaddr, len);
return;
case 'u':
case 'd':
print_decimal_chars (stream, valaddr, len);
return;
case 't':
print_binary_chars (stream, valaddr, len);
return;
case 'x':
print_hex_chars (stream, valaddr, len);
return;
case 'c':
print_char_chars (stream, valaddr, len);
return;
default:
break;
};
}
if (format == 'T')
{
print_ostype (stream, type, (unsigned char *) valaddr);
return;
}
if (format != 'f' && format != 'A')
val_long = unpack_long (type, valaddr);
if (TYPE_CODE (type) == TYPE_CODE_PTR)
len = TARGET_ADDR_BIT / TARGET_CHAR_BIT;
if (format != 'd')
{
if (len < sizeof (LONGEST))
val_long &= ((LONGEST) 1 << HOST_CHAR_BIT * len) - 1;
}
switch (format)
{
case 'x':
if (!size)
{
print_longest (stream, 'x', 1, val_long);
}
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);
}
break;
case 'd':
print_longest (stream, 'd', 1, val_long);
break;
case 'u':
print_longest (stream, 'u', 0, val_long);
break;
case 'o':
if (val_long)
print_longest (stream, 'o', 1, val_long);
else
fprintf_filtered (stream, "0");
break;
case 'a':
{
CORE_ADDR addr = unpack_pointer (type, valaddr);
print_address (addr, stream);
}
break;
case 'c':
value_print (value_from_longest (builtin_type_true_char, val_long),
stream, 0, Val_pretty_default);
break;
case 'f':
case 'A':
if (TYPE_CODE (type) != TYPE_CODE_FLT)
{
if (len == TYPE_LENGTH (builtin_type_float))
type = builtin_type_float;
else if (len == TYPE_LENGTH (builtin_type_double))
type = builtin_type_double;
else if (len == TYPE_LENGTH (builtin_type_long_double))
type = builtin_type_long_double;
}
if (format == 'A')
print_floating_in_hex (valaddr, type, stream);
else
print_floating (valaddr, type, stream);
break;
case 0:
internal_error (__FILE__, __LINE__, _("failed internal consistency check"));
case 't':
{
char bits[8 * (sizeof val_long) + 1];
char buf[8 * (sizeof val_long) + 32];
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--;
}
strcpy (buf, cp);
fputs_filtered (buf, stream);
}
break;
default:
error (_("Undefined output format \"%c\"."), format);
}
}
void
set_next_address (CORE_ADDR addr)
{
next_address = addr;
set_internalvar (lookup_internalvar ("_"),
value_from_pointer (lookup_pointer_type (builtin_type_void),
addr));
}
void
print_address_symbolic (CORE_ADDR addr, struct ui_file *stream, int do_demangle,
char *leadin)
{
char *name = NULL;
char *filename = NULL;
int unmapped = 0;
int offset = 0;
int line = 0;
struct cleanup *cleanup_chain = make_cleanup (free_current_contents, &name);
int addr_bit = TARGET_ADDR_BIT;
if (addr_bit < (sizeof (CORE_ADDR) * HOST_CHAR_BIT))
addr &= ((CORE_ADDR) 1 << addr_bit) - 1;
make_cleanup (free_current_contents, &filename);
if (build_address_symbolic (addr, do_demangle, &name, &offset, &filename, &line, &unmapped))
{
do_cleanups (cleanup_chain);
return;
}
fputs_filtered (leadin, stream);
if (unmapped)
fputs_filtered ("<*", stream);
else
fputs_filtered ("<", stream);
fputs_filtered (name, stream);
if (offset != 0)
fprintf_filtered (stream, "+%u", (unsigned int) offset);
if (print_symbol_filename && filename != NULL)
{
if (line != -1)
fprintf_filtered (stream, " at %s:%d", filename, line);
else
fprintf_filtered (stream, " in %s", filename);
}
if (unmapped)
fputs_filtered ("*>", stream);
else
fputs_filtered (">", stream);
do_cleanups (cleanup_chain);
}
int
build_address_symbolic (CORE_ADDR addr,
int do_demangle,
char **name,
int *offset,
char **filename,
int *line,
int *unmapped)
{
struct minimal_symbol *msymbol;
struct symbol *symbol;
struct symtab *symtab = 0;
CORE_ADDR name_location = 0;
asection *section = 0;
char *name_temp = "";
*unmapped = 0;
if (overlay_debugging)
{
section = find_pc_overlay (addr);
if (pc_in_unmapped_range (addr, section))
{
*unmapped = 1;
addr = overlay_mapped_address (addr, section);
}
}
msymbol = lookup_minimal_symbol_by_pc_section (addr, section);
symbol = find_pc_sect_function (addr, section);
if (symbol)
{
name_location = BLOCK_LOWEST_PC (SYMBOL_BLOCK_VALUE (symbol));
if (do_demangle || asm_demangle)
name_temp = SYMBOL_PRINT_NAME (symbol);
else
name_temp = DEPRECATED_SYMBOL_NAME (symbol);
}
if (msymbol != NULL)
{
if (SYMBOL_VALUE_ADDRESS (msymbol) > name_location || symbol == NULL)
{
symbol = 0;
symtab = 0;
name_location = SYMBOL_VALUE_ADDRESS (msymbol);
if (do_demangle || asm_demangle)
name_temp = SYMBOL_PRINT_NAME (msymbol);
else
name_temp = DEPRECATED_SYMBOL_NAME (msymbol);
}
}
if (symbol == NULL && msymbol == NULL)
return 1;
if (msymbol)
{
struct obj_section *verify_sect =
find_pc_sect_in_ordered_sections (SYMBOL_VALUE_ADDRESS (msymbol), NULL);
if (verify_sect)
{
if (addr < verify_sect->addr || addr >= verify_sect->endaddr)
return 1;
}
}
if (addr > name_location + max_symbolic_offset
&& name_location + max_symbolic_offset > name_location)
return 1;
*offset = addr - name_location;
*name = xstrdup (name_temp);
if (disassembly_name_length >= 0)
{
if (strlen (*name) > disassembly_name_length)
(*name)[disassembly_name_length] = '\0';
}
if (print_symbol_filename)
{
struct symtab_and_line sal;
sal = find_pc_sect_line (addr, section, 0);
if (sal.symtab)
{
*filename = xstrdup (sal.symtab->filename);
*line = sal.line;
}
else if (symtab && symbol && symbol->line)
{
*filename = xstrdup (symtab->filename);
*line = symbol->line;
}
else if (symtab)
{
*filename = xstrdup (symtab->filename);
*line = -1;
}
}
return 0;
}
void
deprecated_print_address_numeric (CORE_ADDR addr, int use_local,
struct ui_file *stream)
{
if (use_local)
fputs_filtered (paddress (addr), stream);
else
{
int addr_bit = TARGET_ADDR_BIT;
if (addr_bit < (sizeof (CORE_ADDR) * HOST_CHAR_BIT))
addr &= ((CORE_ADDR) 1 << addr_bit) - 1;
print_longest (stream, 'x', 0, (ULONGEST) addr);
}
}
void
print_address (CORE_ADDR addr, struct ui_file *stream)
{
deprecated_print_address_numeric (addr, 1, stream);
print_address_symbolic (addr, stream, asm_demangle, " ");
}
void
print_address_demangle (CORE_ADDR addr, struct ui_file *stream, int do_demangle)
{
if (addr == 0)
{
fprintf_filtered (stream, "0");
}
else if (addressprint)
{
deprecated_print_address_numeric (addr, 1, stream);
print_address_symbolic (addr, stream, do_demangle, " ");
}
else
{
print_address_symbolic (addr, stream, do_demangle, "");
}
}
static struct type *examine_i_type;
static struct type *examine_b_type;
static struct type *examine_h_type;
static struct type *examine_w_type;
static struct type *examine_g_type;
static void
do_examine (struct format_data fmt, CORE_ADDR addr)
{
char format = 0;
char size;
int count = 1;
struct type *val_type = NULL;
int i;
int maxelts;
format = fmt.format;
size = fmt.size;
count = fmt.count;
next_address = addr;
if (format == 's')
size = 'b';
if (format == 'T')
size = 'w';
if (format == 'i')
val_type = examine_i_type;
else if (size == 'b')
val_type = examine_b_type;
else if (size == 'h')
val_type = examine_h_type;
else if (size == 'w')
val_type = examine_w_type;
else if (size == 'g')
val_type = examine_g_type;
maxelts = 8;
if (size == 'w')
maxelts = 4;
if (size == 'g')
maxelts = 2;
if (format == 's' || format == 'i')
maxelts = 1;
while (count > 0)
{
QUIT;
print_address (next_address, gdb_stdout);
printf_filtered (":");
for (i = maxelts;
i > 0 && count > 0;
i--, count--)
{
printf_filtered ("\t");
last_examine_address = next_address;
if (last_examine_value)
value_free (last_examine_value);
last_examine_value = value_at_lazy (val_type, next_address);
if (last_examine_value)
release_value (last_examine_value);
print_formatted (last_examine_value, format, size, gdb_stdout);
}
printf_filtered ("\n");
gdb_flush (gdb_stdout);
}
}
static void
validate_format (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);
}
static int print_command_runs_all_threads_p = 1;
static void
print_command_1 (char *exp, int inspect, int voidprint)
{
struct expression *expr;
struct cleanup *old_chain = 0;
struct cleanup *smart_thread_running_cleanup = NULL;
char format = 0;
struct value *val;
struct format_data fmt;
int cleanup = 0;
if (print_command_runs_all_threads_p)
{
target_setup_safe_print (&smart_thread_running_cleanup);
}
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)
{
innermost_block = NULL;
expr = parse_expression (exp);
old_chain = make_cleanup (free_current_contents, &expr);
cleanup = 1;
val = evaluate_expression (expr);
}
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 (histindex >= 0)
annotate_value_history_begin (histindex, value_type (val));
else
annotate_value_begin (value_type (val));
if (inspect)
printf_unfiltered ("\031(gdb-makebuffer \"%s\" %d '(\"", exp, histindex);
else if (histindex >= 0)
printf_filtered ("$%d = ", histindex);
if (histindex >= 0)
annotate_value_history_value ();
print_formatted (val, format, fmt.size, gdb_stdout);
printf_filtered ("\n");
if (histindex >= 0)
annotate_value_history_end ();
else
annotate_value_end ();
if (inspect)
printf_unfiltered ("\") )\030");
}
if (cleanup)
do_cleanups (old_chain);
if (print_command_runs_all_threads_p)
do_cleanups (smart_thread_running_cleanup);
inspect_it = 0;
}
static void
print_command (char *exp, int from_tty)
{
print_command_1 (exp, 0, 1);
}
static void
inspect_command (char *exp, int from_tty)
{
extern int epoch_interface;
print_command_1 (exp, epoch_interface, 1);
}
static void
call_command (char *exp, int from_tty)
{
print_command_1 (exp, 0, 0);
}
void
output_command (char *exp, int from_tty)
{
struct expression *expr;
struct cleanup *old_chain;
char format = 0;
struct value *val;
struct format_data fmt;
if (exp && *exp == '/')
{
exp++;
fmt = decode_format (&exp, 0, 0);
validate_format (fmt, "output");
format = fmt.format;
}
innermost_block = NULL;
expr = parse_expression (exp);
old_chain = make_cleanup (free_current_contents, &expr);
val = evaluate_expression (expr);
annotate_value_begin (value_type (val));
print_formatted (val, format, fmt.size, gdb_stdout);
annotate_value_end ();
wrap_here ("");
gdb_flush (gdb_stdout);
do_cleanups (old_chain);
}
static void
set_command (char *exp, int from_tty)
{
struct expression *expr;
struct cleanup *old_chain;
innermost_block = NULL;
expr = parse_expression (exp);
old_chain = make_cleanup (free_current_contents, &expr);
evaluate_expression (expr);
do_cleanups (old_chain);
}
static void
sym_info (char *arg, int from_tty)
{
struct minimal_symbol *msymbol;
struct objfile *objfile;
struct obj_section *osect;
asection *sect;
CORE_ADDR addr, sect_addr;
int matches = 0;
unsigned int offset;
if (!arg)
error_no_arg (_("address"));
addr = parse_and_eval_address (arg);
ALL_OBJSECTIONS (objfile, osect)
{
sect = osect->the_bfd_section;
sect_addr = overlay_mapped_address (addr, sect);
if (osect->addr <= sect_addr && sect_addr < osect->endaddr &&
(msymbol = lookup_minimal_symbol_by_pc_section (sect_addr, sect)))
{
matches = 1;
offset = sect_addr - SYMBOL_VALUE_ADDRESS (msymbol);
if (offset)
printf_filtered ("%s + %u in ",
SYMBOL_PRINT_NAME (msymbol), offset);
else
printf_filtered ("%s in ",
SYMBOL_PRINT_NAME (msymbol));
if (pc_in_unmapped_range (addr, sect))
printf_filtered (_("load address range of "));
if (section_is_overlay (sect))
printf_filtered (_("%s overlay "),
section_is_mapped (sect) ? "mapped" : "unmapped");
printf_filtered (_("section %s of %s"), sect->name, objfile->name);
printf_filtered ("\n");
}
}
if (matches == 0)
printf_filtered (_("No symbol matches %s.\n"), arg);
}
static void
address_info (char *exp, int from_tty)
{
struct symbol *sym;
struct block *bl;
struct minimal_symbol *msymbol;
long val;
long basereg;
asection *section;
CORE_ADDR load_addr;
int is_a_field_of_this;
if (exp == 0)
error (_("Argument required."));
bl = get_selected_block (NULL);
if (bl != NULL)
{
while (BLOCK_FUNCTION (bl) == 0 && BLOCK_SUPERBLOCK (bl) != 0)
bl = BLOCK_SUPERBLOCK (bl);
}
sym = lookup_symbol (exp, bl, VAR_DOMAIN, &is_a_field_of_this,
(struct symtab **) NULL);
if (sym == NULL)
{
if (is_a_field_of_this)
{
printf_filtered ("Symbol \"");
fprintf_symbol_filtered (gdb_stdout, exp,
current_language->la_language, DMGL_ANSI);
printf_filtered ("\" is a field of the local class variable ");
if ((current_language->la_language == language_objc)
|| (current_language->la_language == language_objcplus))
printf_filtered ("`self'\n");
else
printf_filtered ("`this'\n");
return;
}
msymbol = lookup_minimal_symbol (exp, NULL, NULL);
if (msymbol != NULL)
{
load_addr = SYMBOL_VALUE_ADDRESS (msymbol);
printf_filtered ("Symbol \"");
fprintf_symbol_filtered (gdb_stdout, exp,
current_language->la_language, DMGL_ANSI);
printf_filtered ("\" is at ");
deprecated_print_address_numeric (load_addr, 1, gdb_stdout);
printf_filtered (" in a file compiled without debugging");
section = SYMBOL_BFD_SECTION (msymbol);
if (section_is_overlay (section))
{
load_addr = overlay_unmapped_address (load_addr, section);
printf_filtered (",\n -- loaded at ");
deprecated_print_address_numeric (load_addr, 1, gdb_stdout);
printf_filtered (" in overlay section %s", section->name);
}
printf_filtered (".\n");
}
else
error (_("No symbol \"%s\" in current context."), exp);
return;
}
printf_filtered ("Symbol \"");
fprintf_symbol_filtered (gdb_stdout, DEPRECATED_SYMBOL_NAME (sym),
current_language->la_language, DMGL_ANSI);
printf_filtered ("\" is ");
val = SYMBOL_VALUE (sym);
basereg = SYMBOL_BASEREG (sym);
section = SYMBOL_BFD_SECTION (sym);
switch (SYMBOL_CLASS (sym))
{
case LOC_CONST:
case LOC_CONST_BYTES:
printf_filtered ("constant");
break;
case LOC_LABEL:
printf_filtered ("a label at address ");
deprecated_print_address_numeric (load_addr = SYMBOL_VALUE_ADDRESS (sym),
1, gdb_stdout);
if (section_is_overlay (section))
{
load_addr = overlay_unmapped_address (load_addr, section);
printf_filtered (",\n -- loaded at ");
deprecated_print_address_numeric (load_addr, 1, gdb_stdout);
printf_filtered (" in overlay section %s", section->name);
}
break;
case LOC_COMPUTED:
case LOC_COMPUTED_ARG:
SYMBOL_OPS (sym)->describe_location (sym, gdb_stdout);
break;
case LOC_REGISTER:
printf_filtered (_("a variable in register %s"), REGISTER_NAME (val));
break;
case LOC_STATIC:
printf_filtered (_("static storage at address "));
deprecated_print_address_numeric (load_addr = SYMBOL_VALUE_ADDRESS (sym),
1, gdb_stdout);
if (section_is_overlay (section))
{
load_addr = overlay_unmapped_address (load_addr, section);
printf_filtered (_(",\n -- loaded at "));
deprecated_print_address_numeric (load_addr, 1, gdb_stdout);
printf_filtered (_(" in overlay section %s"), section->name);
}
break;
case LOC_INDIRECT:
printf_filtered (_("external global (indirect addressing), at address *("));
deprecated_print_address_numeric (load_addr = SYMBOL_VALUE_ADDRESS (sym),
1, gdb_stdout);
printf_filtered (")");
if (section_is_overlay (section))
{
load_addr = overlay_unmapped_address (load_addr, section);
printf_filtered (_(",\n -- loaded at "));
deprecated_print_address_numeric (load_addr, 1, gdb_stdout);
printf_filtered (_(" in overlay section %s"), section->name);
}
break;
case LOC_REGPARM:
printf_filtered (_("an argument in register %s"), REGISTER_NAME (val));
break;
case LOC_REGPARM_ADDR:
printf_filtered (_("address of an argument in register %s"), REGISTER_NAME (val));
break;
case LOC_ARG:
printf_filtered (_("an argument at offset %ld"), val);
break;
case LOC_LOCAL_ARG:
printf_filtered (_("an argument at frame offset %ld"), val);
break;
case LOC_LOCAL:
printf_filtered (_("a local variable at frame offset %ld"), val);
break;
case LOC_REF_ARG:
printf_filtered (_("a reference argument at offset %ld"), val);
break;
case LOC_BASEREG:
printf_filtered (_("a variable at offset %ld from register %s"),
val, REGISTER_NAME (basereg));
break;
case LOC_BASEREG_ARG:
printf_filtered (_("an argument at offset %ld from register %s"),
val, REGISTER_NAME (basereg));
break;
case LOC_TYPEDEF:
printf_filtered (_("a typedef"));
break;
case LOC_BLOCK:
{
struct block *block_ptr;
block_ptr = SYMBOL_BLOCK_VALUE (sym);
if (block_ptr != NULL)
{
printf_filtered ("a function at address ");
deprecated_print_address_numeric (load_addr = BLOCK_LOWEST_PC (block_ptr),
1, gdb_stdout);
if (section_is_overlay (section))
{
load_addr = overlay_unmapped_address (load_addr, section);
printf_filtered (",\n -- loaded at ");
deprecated_print_address_numeric (load_addr, 1, gdb_stdout);
printf_filtered (" in overlay section %s", section->name);
}
}
else
printf_filtered ("a function with unknown block.");
break;
}
case LOC_UNRESOLVED:
{
struct minimal_symbol *msym;
msym = lookup_minimal_symbol (DEPRECATED_SYMBOL_NAME (sym), NULL, NULL);
if (msym == NULL)
printf_filtered ("unresolved");
else
{
section = SYMBOL_BFD_SECTION (msym);
printf_filtered (_("static storage at address "));
deprecated_print_address_numeric (load_addr = SYMBOL_VALUE_ADDRESS (msym),
1, gdb_stdout);
if (section_is_overlay (section))
{
load_addr = overlay_unmapped_address (load_addr, section);
printf_filtered (_(",\n -- loaded at "));
deprecated_print_address_numeric (load_addr, 1, gdb_stdout);
printf_filtered (_(" in overlay section %s"), section->name);
}
}
}
break;
case LOC_HP_THREAD_LOCAL_STATIC:
printf_filtered (
"a thread-local variable at offset %ld from the thread base register %s",
val, REGISTER_NAME (basereg));
break;
case LOC_OPTIMIZED_OUT:
printf_filtered (_("optimized out"));
break;
default:
printf_filtered (_("of unknown (botched) type"));
break;
}
printf_filtered (".\n");
}
void
x_command (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 (exp != 0 && *exp != 0)
{
innermost_block = NULL;
expr = parse_expression (exp);
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);
if (
TYPE_CODE (value_type (val)) == TYPE_CODE_FUNC
&& VALUE_LVAL (val) == lval_memory)
next_address = VALUE_ADDRESS (val);
else
next_address = value_as_address (val);
do_cleanups (old_chain);
}
do_examine (fmt, next_address);
if (fmt.format != 'i'
|| fmt.size != 'b')
{
last_size = fmt.size;
last_format = fmt.format;
}
if (last_examine_value)
{
struct type *pointer_type
= lookup_pointer_type (value_type (last_examine_value));
set_internalvar (lookup_internalvar ("_"),
value_from_pointer (pointer_type,
last_examine_address));
if (value_lazy (last_examine_value))
set_internalvar (lookup_internalvar ("__"),
allocate_value (builtin_type_void));
else
set_internalvar (lookup_internalvar ("__"), last_examine_value);
}
}
static void
display_command (char *exp, int from_tty)
{
struct format_data fmt;
struct expression *expr;
struct display *new;
int display_it = 1;
#if defined(TUI)
if (tui_active && exp != NULL && *exp == '$')
display_it = (tui_set_layout_for_display_command (exp) == TUI_FAILURE);
#endif
if (display_it)
{
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;
expr = parse_expression (exp);
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->enabled_p = 1;
display_chain = new;
if (from_tty && target_has_execution)
do_one_display (new);
dont_repeat ();
}
}
static void
free_display (struct display *d)
{
xfree (d->exp);
xfree (d);
}
void
clear_displays (void)
{
struct display *d;
while ((d = display_chain) != NULL)
{
xfree (d->exp);
display_chain = d->next;
xfree (d);
}
}
static void
delete_display (int num)
{
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;
}
}
}
static void
undisplay_command (char *args, int from_tty)
{
char *p = args;
char *p1;
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 ();
}
static void
do_one_display (struct display *d)
{
int within_current_scope;
if (d->enabled_p == 0)
return;
if (d->block)
within_current_scope = contained_in (get_selected_block (0), d->block);
else
within_current_scope = 1;
if (!within_current_scope)
return;
current_display_number = d->number;
annotate_display_begin ();
printf_filtered ("%d", d->number);
annotate_display_number_end ();
printf_filtered (": ");
if (d->format.size)
{
CORE_ADDR addr;
struct value *val;
annotate_display_format ();
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 (" ");
annotate_display_expression ();
print_expression (d->exp, gdb_stdout);
annotate_display_expression_end ();
if (d->format.count != 1)
printf_filtered ("\n");
else
printf_filtered (" ");
val = evaluate_expression (d->exp);
addr = value_as_address (val);
if (d->format.format == 'i')
addr = ADDR_BITS_REMOVE (addr);
annotate_display_value ();
do_examine (d->format, addr);
}
else
{
annotate_display_format ();
if (d->format.format)
printf_filtered ("/%c ", d->format.format);
annotate_display_expression ();
print_expression (d->exp, gdb_stdout);
annotate_display_expression_end ();
printf_filtered (" = ");
annotate_display_expression ();
print_formatted (evaluate_expression (d->exp),
d->format.format, d->format.size, gdb_stdout);
printf_filtered ("\n");
}
annotate_display_end ();
gdb_flush (gdb_stdout);
current_display_number = -1;
}
void
do_displays (void)
{
struct display *d;
for (d = display_chain; d; d = d->next)
do_one_display (d);
}
void
disable_display (int num)
{
struct display *d;
for (d = display_chain; d; d = d->next)
if (d->number == num)
{
d->enabled_p = 0;
return;
}
printf_unfiltered (_("No display number %d.\n"), num);
}
void
disable_current_display (void)
{
if (current_display_number >= 0)
{
disable_display (current_display_number);
fprintf_unfiltered (gdb_stderr, "Disabling display %d to avoid infinite recursion.\n",
current_display_number);
}
current_display_number = -1;
}
static void
display_info (char *ignore, int from_tty)
{
struct display *d;
if (!display_chain)
printf_unfiltered (_("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->enabled_p]);
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, gdb_stdout);
if (d->block && !contained_in (get_selected_block (0), d->block))
printf_filtered (_(" (cannot be evaluated in the current context)"));
printf_filtered ("\n");
gdb_flush (gdb_stdout);
}
}
static void
enable_display (char *args, int from_tty)
{
char *p = args;
char *p1;
int num;
struct display *d;
if (p == 0)
{
for (d = display_chain; d; d = d->next)
d->enabled_p = 1;
}
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->enabled_p = 1;
goto win;
}
printf_unfiltered (_("No display number %d.\n"), num);
win:
p = p1;
while (*p == ' ' || *p == '\t')
p++;
}
}
static void
disable_display_command (char *args, int from_tty)
{
char *p = args;
char *p1;
struct display *d;
if (p == 0)
{
for (d = display_chain; d; d = d->next)
d->enabled_p = 0;
}
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++;
}
}
void
print_variable_value (struct symbol *var, struct frame_info *frame,
struct ui_file *stream)
{
struct value *val = read_var_value (var, frame);
value_print (val, stream, 0, Val_pretty_default);
}
static void
printf_command (char *arg, int from_tty)
{
char *f = NULL;
char *s = arg;
char *string = NULL;
struct value **val_args;
char *substrings;
char *current_substring;
int nargs = 0;
int allocated_args = 20;
struct cleanup *old_cleanups;
val_args = (struct value **) xmalloc (allocated_args
* sizeof (struct value *));
old_cleanups = make_cleanup (free_current_contents, &val_args);
target_setup_safe_print (NULL);
if (s == 0)
error_no_arg (_("format-control string and values to print"));
while (*s == ' ' || *s == '\t')
s++;
if (*s++ != '"')
error (_("Bad format string, missing '\"'."));
f = string = (char *) alloca (strlen (s) + 1);
while (*s != '"')
{
int c = *s++;
switch (c)
{
case '\0':
error (_("Bad format string, non-terminated '\"'."));
case '\\':
switch (c = *s++)
{
case '\\':
*f++ = '\\';
break;
case 'a':
*f++ = '\a';
break;
case 'b':
*f++ = '\b';
break;
case 'f':
*f++ = '\f';
break;
case 'n':
*f++ = '\n';
break;
case 'r':
*f++ = '\r';
break;
case 't':
*f++ = '\t';
break;
case 'v':
*f++ = '\v';
break;
case '"':
*f++ = '"';
break;
default:
error (_("Unrecognized escape character \\%c in format string."),
c);
}
break;
default:
*f++ = c;
}
}
s++;
*f++ = '\0';
while (*s == ' ' || *s == '\t')
s++;
if (*s != ',' && *s != 0)
error (_("Invalid argument syntax"));
if (*s == ',')
s++;
while (*s == ' ' || *s == '\t')
s++;
substrings = alloca (strlen (string) * 2);
current_substring = substrings;
{
enum argclass
{
no_arg, int_arg, string_arg, double_arg, long_long_arg, pointer_arg
};
enum argclass *argclass;
enum argclass this_argclass;
char *last_arg;
int nargs_wanted;
int lcount;
int i;
argclass = (enum argclass *) alloca (strlen (s) * sizeof *argclass);
nargs_wanted = 0;
f = string;
last_arg = string;
while (*f)
if (*f++ == '%')
{
lcount = 0;
while (strchr ("0123456789.hlL-+ #", *f))
{
if (*f == 'l' || *f == 'L')
lcount++;
f++;
}
switch (*f)
{
case 's':
this_argclass = string_arg;
break;
case 'e':
case 'f':
case 'g':
this_argclass = double_arg;
break;
case 'p':
this_argclass = pointer_arg;
break;
case '*':
error (_("`*' not supported for precision or width in printf"));
case 'n':
error (_("Format specifier `n' not supported in printf"));
case '%':
this_argclass = no_arg;
break;
default:
if (lcount > 1)
this_argclass = long_long_arg;
else
this_argclass = int_arg;
break;
}
f++;
if (this_argclass != no_arg)
{
strncpy (current_substring, last_arg, f - last_arg);
current_substring += f - last_arg;
*current_substring++ = '\0';
last_arg = f;
argclass[nargs_wanted++] = this_argclass;
}
}
while (*s != '\0')
{
char *s1;
if (nargs == allocated_args)
val_args = (struct value **) xrealloc ((char *) val_args,
(allocated_args *= 2)
* sizeof (struct value *));
s1 = s;
val_args[nargs] = parse_to_comma_and_eval (&s1);
if (argclass[nargs] == double_arg)
{
struct type *type = value_type (val_args[nargs]);
if (TYPE_LENGTH (type) == sizeof (float))
deprecated_set_value_type (val_args[nargs], builtin_type_float);
if (TYPE_LENGTH (type) == sizeof (double))
deprecated_set_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"));
current_substring = substrings;
for (i = 0; i < nargs; i++)
{
switch (argclass[i])
{
case string_arg:
{
char *str;
CORE_ADDR tem;
int j;
tem = value_as_address (val_args[i]);
for (j = 0;; j++)
{
char c;
QUIT;
read_memory (tem + j, &c, 1);
if (c == 0)
break;
}
str = (char *) alloca (j + 1);
if (j != 0)
read_memory (tem, str, j);
str[j] = 0;
printf_filtered (current_substring, str);
}
break;
case double_arg:
{
double val = value_as_double (val_args[i]);
printf_filtered (current_substring, val);
break;
}
case long_long_arg:
#if defined (CC_HAS_LONG_LONG) && defined (PRINTF_HAS_LONG_LONG)
{
long long val = value_as_long (val_args[i]);
printf_filtered (current_substring, val);
break;
}
#else
error (_("long long not supported in printf"));
#endif
case int_arg:
{
long val = value_as_long (val_args[i]);
printf_filtered (current_substring, val);
break;
}
case pointer_arg:
{
CORE_ADDR val = value_as_address (val_args[i]);
printf_filtered (current_substring, val);
break;
}
default:
error (_("internal error in printf_command"));
}
current_substring += strlen (current_substring) + 1;
}
puts_filtered (last_arg);
}
do_cleanups (old_cleanups);
}
static void
invoke_block_command (char *args, int from_tty)
{
char **argv;
struct cleanup *argv_cleanup;
struct expression *expr;
struct value *block_val;
struct value *implementation_fn;
struct type *block_type;
struct type *block_deref;
int nargs;
struct value **val_argv;
int i;
struct value *ret_val;
int histindex;
struct cleanup *print_closure_cleanup;
argv = buildargv (args);
if (argv == NULL)
error ("No arguments provided.");
argv_cleanup = make_cleanup_freeargv (argv);
if (argv[0] == NULL)
error ("No arguments provided.");
innermost_block = NULL;
print_closure_cleanup = make_cleanup_set_restore_print_closure (0);
expr = parse_expression (argv[0]);
block_val = evaluate_expression (expr);
do_cleanups (print_closure_cleanup);
block_type = check_typedef (value_type (block_val));
if (!block_type)
error ("Can't get type of block pointer expression: \"%s\".",
argv[0]);
block_deref = TYPE_TARGET_TYPE (block_type);
implementation_fn = get_closure_implementation_fn (block_val);
if (implementation_fn == NULL)
error ("Could not find block implementation function for \"%s\".\n",
argv[0]);
nargs = 0;
while (argv[nargs] != NULL)
nargs++;
val_argv = (struct value **) malloc (nargs * sizeof (struct value *));
make_cleanup (xfree, val_argv);
val_argv[0] = block_val;
for (i = 1; i < nargs; i++)
{
struct expression *arg_expr;
struct value *arg_value;
arg_expr = parse_expression (argv[i]);
arg_value = evaluate_expression (arg_expr);
val_argv[i] = arg_value;
}
ret_val = call_function_by_hand (implementation_fn, nargs, val_argv);
do_cleanups (argv_cleanup);
histindex = record_latest_value (ret_val);
if (histindex >= 0)
annotate_value_history_begin (histindex, value_type (ret_val));
else
annotate_value_begin (value_type (ret_val));
if (histindex >= 0)
printf_filtered ("$%d = ", histindex);
if (histindex >= 0)
annotate_value_history_value ();
print_formatted (ret_val, 0, 0, gdb_stdout);
printf_filtered ("\n");
if (histindex >= 0)
annotate_value_history_end ();
else
annotate_value_end ();
}
void
_initialize_printcmd (void)
{
struct cmd_list_element *c;
current_display_number = -1;
add_info ("address", address_info,
_("Describe where symbol SYM is stored."));
add_info ("symbol", sym_info, _("\
Describe what symbol is at location ADDR.\n\
Only for symbols with fixed locations (global or static scope)."));
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\
T(OSType), A(floating point values in hex).\n\
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\"."));
#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\
Use \"set variable\" for variables with names identical to set subcommands.\n\
\n\
With 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);
if (dbx_commands)
add_com ("assign", 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\
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."));
c = add_com ("call", class_vars, call_command, _("\
Call a function in the program.\n\
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."));
set_cmd_completer (c, location_completer);
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\
This may usually be abbreviated to simply \"set\"."),
&setlist);
add_alias_cmd ("var", "variable", class_vars, 1, &setlist);
c = add_com ("print", class_vars, print_command, _("\
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)."));
set_cmd_completer (c, location_completer);
add_com_alias ("p", "print", class_vars, 1);
c = add_com ("invoke-block", class_vars, invoke_block_command, "\
Invoke the function associated with the block passed in as the first\n\
argument. Specify the other arguments to the block function in a space separated\n\
list. If you have spaces in an argument, use \"s to delimit the argument. If you\n\
need to put a \" in an argument, pass it as \\\".");
set_cmd_completer (c, location_completer);
c = 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."));
set_cmd_completer (c, location_completer);
add_setshow_uinteger_cmd ("max-symbolic-offset", no_class,
&max_symbolic_offset, _("\
Set the largest offset that will be printed in <symbol+1234> form."), _("\
Show the largest offset that will be printed in <symbol+1234> form."), NULL,
NULL,
show_max_symbolic_offset,
&setprintlist, &showprintlist);
add_setshow_boolean_cmd ("symbol-filename", no_class,
&print_symbol_filename, _("\
Set printing of source filename and line number with <symbol>."), _("\
Show printing of source filename and line number with <symbol>."), NULL,
NULL,
show_print_symbol_filename,
&setprintlist, &showprintlist);
add_setshow_zinteger_cmd ("disassembly-name-length", no_class,
&disassembly_name_length, "\
Set the maximum length of characters to print in the symbol name in disassembly output.\n"
"A value of -1 means unlimited",
"\
Show the maximum length of characters to print in the symbol name in disassembly output",
NULL, NULL, NULL,
&setlist, &showlist);
examine_i_type = init_type (TYPE_CODE_INT, 1, 0, "examine_i_type", NULL);
examine_b_type = init_type (TYPE_CODE_INT, 1, 0, "examine_b_type", NULL);
examine_h_type = init_type (TYPE_CODE_INT, 2, 0, "examine_h_type", NULL);
examine_w_type = init_type (TYPE_CODE_INT, 4, 0, "examine_w_type", NULL);
examine_g_type = init_type (TYPE_CODE_INT, 8, 0, "examine_g_type", NULL);
add_setshow_boolean_cmd ("runs-all-threads", no_class,
&print_command_runs_all_threads_p, _("\
Set whether the print command allows all threads to run if necessary."), _("\
Show whether the print command allows all threads to run if necessary."), NULL,
NULL,
NULL,
&setprintlist, &showprintlist);
}