/* Print values for GNU debugger GDB.
- Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
- 1996, 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+ Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
+ 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 Free Software
+ Foundation, Inc.
This file is part of GDB.
#include "symfile.h" /* for overlay functions */
#include "objfiles.h" /* ditto */
#include "completer.h" /* for completion functions */
-#ifdef UI_OUT
#include "ui-out.h"
-#endif
+#include "gdb_assert.h"
extern int asm_demangle; /* Whether to demangle syms in asm printouts */
extern int addressprint; /* Whether to print hex addresses in HLL " */
/* Contents of last address examined.
This is not valid past the end of the `x' command! */
-static value_ptr last_examine_value;
+static struct value *last_examine_value;
/* Largest offset between a symbolic value and an address, that will be
printed as `0x1234 <symbol+offset>'. */
/* Innermost block required by this expression when evaluated */
struct block *block;
/* Status of this display (enabled or disabled) */
- enum enable status;
+ int enabled_p;
};
/* Chain of expressions whose values should be displayed
static void do_examine (struct format_data, CORE_ADDR addr,
asection * section);
-static void print_formatted (value_ptr, int, int, struct ui_file *);
+static void print_formatted (struct value *, int, int, struct ui_file *);
static struct format_data decode_format (char **, int, int);
This is used to pad hex numbers so they line up. */
static void
-print_formatted (register value_ptr val, register int format, int size,
+print_formatted (struct value *val, register int format, int size,
struct ui_file *stream)
{
struct type *type = check_typedef (VALUE_TYPE (val));
break;
case 'f':
- if (len == sizeof (float))
- type = builtin_type_float;
- else if (len == sizeof (double))
- type = builtin_type_double;
+ 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;
print_floating (valaddr, type, stream);
break;
struct expression *expr;
register struct cleanup *old_chain = 0;
register char format = 0;
- register value_ptr val;
+ struct value *val;
struct format_data fmt;
int cleanup = 0;
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_ptr v;
-
- v = value_from_vtable_info (val, TYPE_TARGET_TYPE (type));
- if (v != 0)
- {
- val = v;
- type = VALUE_TYPE (val);
- }
- }
}
else
val = access_value_history (0);
struct expression *expr;
register struct cleanup *old_chain;
register char format = 0;
- register value_ptr val;
+ struct value *val;
struct format_data fmt;
if (exp && *exp == '/')
if (exp == 0)
error ("Argument required.");
- sym = lookup_symbol (exp, get_selected_block (), VAR_NAMESPACE,
+ sym = lookup_symbol (exp, get_selected_block (0), VAR_NAMESPACE,
&is_a_field_of_this, (struct symtab **) NULL);
if (sym == NULL)
{
&& VALUE_LVAL (val) == lval_memory)
next_address = VALUE_ADDRESS (val);
else
- next_address = value_as_pointer (val);
+ next_address = value_as_address (val);
if (VALUE_BFD_SECTION (val))
next_section = VALUE_BFD_SECTION (val);
do_cleanups (old_chain);
new->next = display_chain;
new->number = ++display_number;
new->format = fmt;
- new->status = enabled;
+ new->enabled_p = 1;
display_chain = new;
if (from_tty && target_has_execution)
{
int within_current_scope;
- if (d->status == disabled)
+ if (d->enabled_p == 0)
return;
if (d->block)
- within_current_scope = contained_in (get_selected_block (), d->block);
+ within_current_scope = contained_in (get_selected_block (0), d->block);
else
within_current_scope = 1;
if (!within_current_scope)
if (d->format.size)
{
CORE_ADDR addr;
- value_ptr val;
+ struct value *val;
annotate_display_format ();
printf_filtered (" ");
val = evaluate_expression (d->exp);
- addr = value_as_pointer (val);
+ addr = value_as_address (val);
if (d->format.format == 'i')
addr = ADDR_BITS_REMOVE (addr);
for (d = display_chain; d; d = d->next)
if (d->number == num)
{
- d->status = disabled;
+ d->enabled_p = 0;
return;
}
printf_unfiltered ("No display number %d.\n", num);
for (d = display_chain; d; d = d->next)
{
- printf_filtered ("%d: %c ", d->number, "ny"[(int) d->status]);
+ 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 (), d->block))
+ 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);
if (p == 0)
{
for (d = display_chain; d; d = d->next)
- d->status = enabled;
+ d->enabled_p = 1;
}
else
while (*p)
for (d = display_chain; d; d = d->next)
if (d->number == num)
{
- d->status = enabled;
+ d->enabled_p = 1;
goto win;
}
printf_unfiltered ("No display number %d.\n", num);
if (p == 0)
{
for (d = display_chain; d; d = d->next)
- d->status = disabled;
+ d->enabled_p = 0;
}
else
while (*p)
print_variable_value (struct symbol *var, struct frame_info *frame,
struct ui_file *stream)
{
- value_ptr val = read_var_value (var, frame);
+ struct value *val = read_var_value (var, frame);
value_print (val, stream, 0, Val_pretty_default);
}
struct ui_file *stream)
{
struct block *b = NULL;
- int nsyms = 0;
int first = 1;
register int i;
register struct symbol *sym;
- register value_ptr val;
+ struct 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. */
int arg_size;
/* Number of ints of arguments that we have printed so far. */
int args_printed = 0;
-#ifdef UI_OUT
struct cleanup *old_chain, *list_chain;
struct ui_stream *stb;
stb = ui_out_stream_new (uiout);
old_chain = make_cleanup_ui_out_stream_delete (stb);
-#endif /* UI_OUT */
if (func)
{
b = SYMBOL_BLOCK_VALUE (func);
- nsyms = BLOCK_NSYMS (b);
- }
+ /* Function blocks are order sensitive, and thus should not be
+ hashed. */
+ gdb_assert (BLOCK_HASHTABLE (b) == 0);
- for (i = 0; i < nsyms; i++)
- {
- QUIT;
- sym = BLOCK_SYM (b, i);
+ ALL_BLOCK_SYMBOLS (b, i, sym)
+ {
+ QUIT;
- /* Keep track of the highest stack argument offset seen, and
- skip over any kinds of symbols we don't care about. */
+ /* Keep track of the highest stack argument offset seen, and
+ skip over any kinds of symbols we don't care about. */
- switch (SYMBOL_CLASS (sym))
- {
- case LOC_ARG:
- case LOC_REF_ARG:
- {
- long current_offset = SYMBOL_VALUE (sym);
- 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);
- }
+ switch (SYMBOL_CLASS (sym))
+ {
+ case LOC_ARG:
+ case LOC_REF_ARG:
+ {
+ long current_offset = SYMBOL_VALUE (sym);
+ 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);
+ }
- /* 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:
- case LOC_LOCAL_ARG:
- case LOC_BASEREG_ARG:
- break;
+ /* 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:
+ case LOC_LOCAL_ARG:
+ case LOC_BASEREG_ARG:
+ break;
- /* Other types of symbols we just skip over. */
- default:
- continue;
- }
+ /* Other types of symbols we just skip over. */
+ default:
+ continue;
+ }
- /* 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). */
- /* But if the parameter name is null, don't try it.
- Null parameter names occur on the RS/6000, for traceback tables.
- FIXME, should we even print them? */
-
- if (*SYMBOL_NAME (sym))
- {
- struct symbol *nsym;
- nsym = lookup_symbol
- (SYMBOL_NAME (sym),
- b, VAR_NAMESPACE, (int *) NULL, (struct symtab **) NULL);
- if (SYMBOL_CLASS (nsym) == LOC_REGISTER)
+ /* 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). */
+ /* But if the parameter name is null, don't try it.
+ Null parameter names occur on the RS/6000, for traceback tables.
+ FIXME, should we even print them? */
+
+ if (*SYMBOL_NAME (sym))
{
- /* There is a LOC_ARG/LOC_REGISTER pair. This means that
- it was passed on the stack and loaded into a register,
- or passed in a register and stored in a stack slot.
- GDB 3.x used the LOC_ARG; GDB 4.0-4.11 used the LOC_REGISTER.
-
- Reasons for using the LOC_ARG:
- (1) because find_saved_registers may be slow for remote
- debugging,
- (2) because registers are often re-used and stack slots
- rarely (never?) are. Therefore using the stack slot is
- much less likely to print garbage.
-
- Reasons why we might want to use the LOC_REGISTER:
- (1) So that the backtrace prints the same value as
- "print foo". I see no compelling reason why this needs
- to be the case; having the backtrace print the value which
- was passed in, and "print foo" print the value as modified
- within the called function, makes perfect sense to me.
-
- Additional note: It might be nice if "info args" displayed
- both values.
- One more note: There is a case with sparc structure passing
- where we need to use the LOC_REGISTER, but this is dealt with
- by creating a single LOC_REGPARM in symbol reading. */
-
- /* Leave sym (the LOC_ARG) alone. */
- ;
+ struct symbol *nsym;
+ nsym = lookup_symbol
+ (SYMBOL_NAME (sym),
+ b, VAR_NAMESPACE, (int *) NULL, (struct symtab **) NULL);
+ if (SYMBOL_CLASS (nsym) == LOC_REGISTER)
+ {
+ /* There is a LOC_ARG/LOC_REGISTER pair. This means that
+ it was passed on the stack and loaded into a register,
+ or passed in a register and stored in a stack slot.
+ GDB 3.x used the LOC_ARG; GDB 4.0-4.11 used the LOC_REGISTER.
+
+ Reasons for using the LOC_ARG:
+ (1) because find_saved_registers may be slow for remote
+ debugging,
+ (2) because registers are often re-used and stack slots
+ rarely (never?) are. Therefore using the stack slot is
+ much less likely to print garbage.
+
+ Reasons why we might want to use the LOC_REGISTER:
+ (1) So that the backtrace prints the same value as
+ "print foo". I see no compelling reason why this needs
+ to be the case; having the backtrace print the value which
+ was passed in, and "print foo" print the value as modified
+ within the called function, makes perfect sense to me.
+
+ Additional note: It might be nice if "info args" displayed
+ both values.
+ One more note: There is a case with sparc structure passing
+ where we need to use the LOC_REGISTER, but this is dealt with
+ by creating a single LOC_REGPARM in symbol reading. */
+
+ /* Leave sym (the LOC_ARG) alone. */
+ ;
+ }
+ else
+ sym = nsym;
}
- else
- sym = nsym;
- }
-#ifdef UI_OUT
- /* Print the current arg. */
- if (!first)
- ui_out_text (uiout, ", ");
- ui_out_wrap_hint (uiout, " ");
+ /* Print the current arg. */
+ if (!first)
+ ui_out_text (uiout, ", ");
+ ui_out_wrap_hint (uiout, " ");
- annotate_arg_begin ();
+ annotate_arg_begin ();
- list_chain = make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
- fprintf_symbol_filtered (stb->stream, SYMBOL_SOURCE_NAME (sym),
- SYMBOL_LANGUAGE (sym), DMGL_PARAMS | DMGL_ANSI);
- ui_out_field_stream (uiout, "name", stb);
- annotate_arg_name_end ();
- ui_out_text (uiout, "=");
-#else
- /* Print the current arg. */
- if (!first)
- fprintf_filtered (stream, ", ");
- wrap_here (" ");
+ list_chain = make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
+ fprintf_symbol_filtered (stb->stream, SYMBOL_SOURCE_NAME (sym),
+ SYMBOL_LANGUAGE (sym), DMGL_PARAMS | DMGL_ANSI);
+ ui_out_field_stream (uiout, "name", stb);
+ annotate_arg_name_end ();
+ ui_out_text (uiout, "=");
- annotate_arg_begin ();
+ /* 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. */
+ val = read_var_value (sym, fi);
- fprintf_symbol_filtered (stream, SYMBOL_SOURCE_NAME (sym),
- SYMBOL_LANGUAGE (sym), DMGL_PARAMS | DMGL_ANSI);
- annotate_arg_name_end ();
- fputs_filtered ("=", stream);
-#endif
+ annotate_arg_value (val == NULL ? NULL : VALUE_TYPE (val));
- /* 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. */
- val = read_var_value (sym, fi);
+ if (val)
+ {
+ val_print (VALUE_TYPE (val), VALUE_CONTENTS (val), 0,
+ VALUE_ADDRESS (val),
+ stb->stream, 0, 0, 2, Val_no_prettyprint);
+ ui_out_field_stream (uiout, "value", stb);
+ }
+ else
+ ui_out_text (uiout, "???");
- annotate_arg_value (val == NULL ? NULL : VALUE_TYPE (val));
+ /* Invoke ui_out_tuple_end. */
+ do_cleanups (list_chain);
- if (val)
- {
-#ifdef UI_OUT
- val_print (VALUE_TYPE (val), VALUE_CONTENTS (val), 0,
- VALUE_ADDRESS (val),
- stb->stream, 0, 0, 2, Val_no_prettyprint);
- ui_out_field_stream (uiout, "value", stb);
- }
- else
- ui_out_text (uiout, "???");
+ annotate_arg_end ();
- /* Invoke ui_out_tuple_end. */
- do_cleanups (list_chain);
-#else
- val_print (VALUE_TYPE (val), VALUE_CONTENTS (val), 0,
- VALUE_ADDRESS (val),
- stream, 0, 0, 2, Val_no_prettyprint);
+ first = 0;
}
- else
- fputs_filtered ("???", stream);
-#endif
-
- annotate_arg_end ();
-
- first = 0;
}
/* Don't print nameless args in situations where we don't know
print_frame_nameless_args (fi, start, num - args_printed,
first, stream);
}
-#ifdef UI_OUT
do_cleanups (old_chain);
-#endif /* no UI_OUT */
}
/* Print nameless args on STREAM.
register char *f = NULL;
register char *s = arg;
char *string = NULL;
- value_ptr *val_args;
+ struct value **val_args;
char *substrings;
char *current_substring;
int nargs = 0;
int allocated_args = 20;
struct cleanup *old_cleanups;
- val_args = (value_ptr *) xmalloc (allocated_args * sizeof (value_ptr));
+ val_args = (struct value **) xmalloc (allocated_args
+ * sizeof (struct value *));
old_cleanups = make_cleanup (free_current_contents, &val_args);
if (s == 0)
{
char *s1;
if (nargs == allocated_args)
- val_args = (value_ptr *) xrealloc ((char *) val_args,
- (allocated_args *= 2)
- * sizeof (value_ptr));
+ 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);
char *str;
CORE_ADDR tem;
int j;
- tem = value_as_pointer (val_args[i]);
+ tem = value_as_address (val_args[i]);
/* This is a %s argument. Find the length of the string. */
for (j = 0;; j++)
#if defined(TUI)
else if (tui_version)
low = tuiGetLowDisassemblyAddress (low, pc);
-#endif
-#if 0
- if (overlay_debugging)
- {
- section = find_pc_overlay (pc);
- if (pc_in_unmapped_range (pc, section))
- {
- /* find_pc_partial_function will have returned low and high
- relative to the symbolic (mapped) address range. Need to
- translate them back to the unmapped range where PC is. */
- low = overlay_unmapped_address (low, section);
- high = overlay_unmapped_address (high, section);
- }
- }
#endif
low += FUNCTION_START_OFFSET;
}
static int
print_insn (CORE_ADDR memaddr, struct ui_file *stream)
{
- if (TARGET_BYTE_ORDER == BIG_ENDIAN)
+ if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
TARGET_PRINT_INSN_INFO->endian = BFD_ENDIAN_BIG;
else
TARGET_PRINT_INSN_INFO->endian = BFD_ENDIAN_LITTLE;
TARGET_PRINT_INSN_INFO->mach = TARGET_ARCHITECTURE->mach;
/* else: should set .mach=0 but some disassemblers don't grok this */
+ TARGET_PRINT_INSN_INFO->stream = stream;
+
return TARGET_PRINT_INSN (memaddr, TARGET_PRINT_INSN_INFO);
}
\f
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.");
- c->completer = location_completer;
+ set_cmd_completer (c, location_completer);
if (xdb_commands)
add_com_alias ("va", "disassemble", class_xdb, 0);
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.");
- c->completer = location_completer;
+ 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\
"\n\
EXP may be preceded with /FMT, where FMT is a format letter\n\
but no count or size letter (see \"x\" command).", NULL));
- c->completer = location_completer;
+ set_cmd_completer (c, location_completer);
add_com_alias ("p", "print", class_vars, 1);
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.");
- c->completer = location_completer;
+ set_cmd_completer (c, location_completer);
add_show_from_set (
add_set_cmd ("max-symbolic-offset", no_class, var_uinteger,
projects / deliverable / binutils-gdb.git / blobdiff