/* Print values for GNU debugger GDB.
- Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1993, 1994
- Free Software Foundation, Inc.
+ Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1993, 1994, 1995
+ Free Software Foundation, Inc.
This file is part of GDB.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "defs.h"
-#include <string.h>
-#include <varargs.h>
+#include "gdb_string.h"
#include "frame.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "breakpoint.h"
#include "demangle.h"
#include "valprint.h"
+#include "annotate.h"
+#include "symfile.h" /* for overlay functions */
+#include "objfiles.h" /* ditto */
extern int asm_demangle; /* Whether to demangle syms in asm printouts */
extern int addressprint; /* Whether to print hex addresses in HLL " */
static CORE_ADDR next_address;
+/* Default section to examine next. */
+
+static asection *next_section;
+
/* 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;
+static value_ptr last_examine_value;
/* Largest offset between a symbolic value and an address, that will be
printed as `0x1234 <symbol+offset>'. */
printing a symbolic value as `<symbol at filename:linenum>' if set. */
static int print_symbol_filename = 0;
-/* Switch for quick display of symbolic addresses -- only uses minsyms,
- not full search of symtabs. */
-
-int fast_symbolic_addr = 1;
-
/* Number of auto-display expression currently being displayed.
So that we can disable it if we get an error or a signal within it.
-1 when not doing one. */
static int display_number;
-/* Prototypes for local functions */
+/* Pointer to the target-dependent disassembly function. */
-static void
-delete_display PARAMS ((int));
+int (*tm_print_insn) PARAMS ((bfd_vma, disassemble_info *));
+disassemble_info tm_print_insn_info;
-static void
-enable_display PARAMS ((char *, int));
+/* Prototypes for local functions. */
-static void
-disable_display_command PARAMS ((char *, int));
+static void delete_display PARAMS ((int));
-static void
-disassemble_command PARAMS ((char *, int));
+static void enable_display PARAMS ((char *, int));
-static void
-printf_command PARAMS ((char *, int));
+static void disable_display_command PARAMS ((char *, int));
-static void
-print_frame_nameless_args PARAMS ((struct frame_info *, long, int, int,
- GDB_FILE *));
+static void disassemble_command PARAMS ((char *, int));
-static void
-display_info PARAMS ((char *, int));
+static void printf_command PARAMS ((char *, int));
-static void
-do_one_display PARAMS ((struct display *));
+static void print_frame_nameless_args PARAMS ((struct frame_info *, long,
+ int, int, GDB_FILE *));
-static void
-undisplay_command PARAMS ((char *, int));
+static void display_info PARAMS ((char *, int));
-static void
-free_display PARAMS ((struct display *));
+static void do_one_display PARAMS ((struct display *));
-static void
-display_command PARAMS ((char *, int));
+static void undisplay_command PARAMS ((char *, int));
-static void
-x_command PARAMS ((char *, int));
+static void free_display PARAMS ((struct display *));
-static void
-address_info PARAMS ((char *, int));
+static void display_command PARAMS ((char *, int));
-static void
-set_command PARAMS ((char *, int));
+static void x_command PARAMS ((char *, int));
-static void
-output_command PARAMS ((char *, int));
+static void address_info PARAMS ((char *, int));
-static void
-call_command PARAMS ((char *, int));
+static void set_command PARAMS ((char *, int));
-static void
-inspect_command PARAMS ((char *, int));
+static void output_command PARAMS ((char *, int));
-static void
-print_command PARAMS ((char *, int));
+static void call_command PARAMS ((char *, int));
-static void
-print_command_1 PARAMS ((char *, int, int));
+static void inspect_command PARAMS ((char *, int));
-static void
-validate_format PARAMS ((struct format_data, char *));
+static void print_command PARAMS ((char *, int));
-static void
-do_examine PARAMS ((struct format_data, CORE_ADDR));
+static void print_command_1 PARAMS ((char *, int, int));
-static void
-print_formatted PARAMS ((value, int, int));
+static void validate_format PARAMS ((struct format_data, char *));
-static struct format_data
-decode_format PARAMS ((char **, int, int));
+static void do_examine PARAMS ((struct format_data, CORE_ADDR addr, asection *section));
+
+static void print_formatted PARAMS ((value_ptr, int, int));
+
+static struct format_data decode_format PARAMS ((char **, int, int));
+
+static int print_insn PARAMS ((CORE_ADDR, GDB_FILE *));
\f
/* Decode a format specification. *STRING_PTR should point to it.
break;
}
-#ifndef CC_HAS_LONG_LONG
- /* 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;
{
case 'a':
case 's':
- /* Addresses must be words. */
- val.size = osize ? 'w' : osize;
+ /* Pick the appropriate size for an address. */
+ 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
+ /* Bad value for TARGET_PTR_BIT */
+ abort ();
break;
case 'f':
/* Floating point has to be word or giantword. */
static void
print_formatted (val, format, size)
- register value val;
+ register value_ptr val;
register int format;
int size;
{
- int len = TYPE_LENGTH (VALUE_TYPE (val));
+ 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;
+ {
+ next_address = VALUE_ADDRESS (val) + len;
+ next_section = VALUE_BFD_SECTION (val);
+ }
switch (format)
{
case 's':
next_address = VALUE_ADDRESS (val)
- + value_print (value_addr (val), gdb_stdout, format, Val_pretty_default);
+ + val_print_string (VALUE_ADDRESS (val), 0, gdb_stdout);
+ next_section = VALUE_BFD_SECTION (val);
break;
case 'i':
wrap_here (" ");
next_address = VALUE_ADDRESS (val)
+ print_insn (VALUE_ADDRESS (val), gdb_stdout);
+ next_section = VALUE_BFD_SECTION (val);
break;
default:
if (format == 0
- || TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_ARRAY
- || TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_STRING
- || TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_STRUCT
- || TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_UNION
- || VALUE_REPEATED (val))
+ || TYPE_CODE (type) == TYPE_CODE_ARRAY
+ || TYPE_CODE (type) == TYPE_CODE_STRING
+ || TYPE_CODE (type) == TYPE_CODE_STRUCT
+ || TYPE_CODE (type) == TYPE_CODE_UNION)
value_print (val, gdb_stdout, format, Val_pretty_default);
else
- print_scalar_formatted (VALUE_CONTENTS (val), VALUE_TYPE (val),
+ print_scalar_formatted (VALUE_CONTENTS (val), type,
format, size, gdb_stdout);
}
}
GDB_FILE *stream;
{
LONGEST val_long;
- int len = TYPE_LENGTH (type);
+ unsigned int len = TYPE_LENGTH (type);
if (len > sizeof (LONGEST)
&& (format == 't'
|| format == 'd'
|| format == 'x'))
{
- /* We can't print it normally, but we can print it in hex.
- Printing it in the wrong radix is more useful than saying
- "use /x, you dummy". */
- /* FIXME: we could also do octal or binary if that was the
- desired format. */
- /* FIXME: we should be using the size field to give us a minimum
- field width to print. */
- val_print_type_code_int (type, valaddr, stream);
- return;
- }
+ if (! TYPE_UNSIGNED (type)
+ || ! extract_long_unsigned_integer (valaddr, len, &val_long))
+ {
+ /* We can't print it normally, but we can print it in hex.
+ Printing it in the wrong radix is more useful than saying
+ "use /x, you dummy". */
+ /* FIXME: we could also do octal or binary if that was the
+ desired format. */
+ /* FIXME: we should be using the size field to give us a
+ minimum field width to print. */
+ val_print_type_code_int (type, valaddr, stream);
+ return;
+ }
- val_long = unpack_long (type, valaddr);
+ /* If we get here, extract_long_unsigned_integer set val_long. */
+ }
+ else if (format != 'f')
+ val_long = unpack_long (type, valaddr);
/* If we are printing it as unsigned, truncate it in case it is actually
a negative signed value (e.g. "print/u (short)-1" should print 65535
struct minimal_symbol *msymbol;
struct symbol *symbol;
struct symtab *symtab = 0;
- CORE_ADDR name_location;
- char *name;
+ CORE_ADDR name_location = 0;
+ char *name = "";
+ asection *section = 0;
+ int unmapped = 0;
+
+ /* Determine if the address is in an overlay, and whether it is mapped. */
+ if (overlay_debugging)
+ {
+ section = find_pc_overlay (addr);
+ if (pc_in_unmapped_range (addr, section))
+ {
+ unmapped = 1;
+ addr = overlay_mapped_address (addr, section);
+ }
+ }
+
+ /* On some targets, add in extra "flag" bits to PC for
+ disassembly. This should ensure that "rounding errors" in
+ symbol addresses that are masked for disassembly favour the
+ the correct symbol. */
+
+#ifdef GDB_TARGET_UNMASK_DISAS_PC
+ addr = GDB_TARGET_UNMASK_DISAS_PC (addr);
+#endif
/* First try to find the address in the symbol table, then
in the minsyms. Take the closest one. */
- symbol = fast_symbolic_addr? 0:
- find_addr_symbol (addr, &symtab, &name_location);
+ /* This is defective in the sense that it only finds text symbols. So
+ really this is kind of pointless--we should make sure that the
+ minimal symbols have everything we need (by changing that we could
+ save some memory, but for many debug format--ELF/DWARF or
+ anything/stabs--it would be inconvenient to eliminate those minimal
+ symbols anyway). */
+ msymbol = lookup_minimal_symbol_by_pc_section (addr, section);
+ symbol = find_pc_sect_function (addr, section);
+
if (symbol)
{
+ name_location = BLOCK_START (SYMBOL_BLOCK_VALUE (symbol));
if (do_demangle)
name = SYMBOL_SOURCE_NAME (symbol);
else
name = SYMBOL_LINKAGE_NAME (symbol);
}
- msymbol = lookup_minimal_symbol_by_pc (addr);
if (msymbol != NULL)
{
- if (SYMBOL_VALUE_ADDRESS (msymbol) > name_location)
+ if (SYMBOL_VALUE_ADDRESS (msymbol) > name_location || symbol == NULL)
{
/* The msymbol is closer to the address than the symbol;
use the msymbol instead. */
name = SYMBOL_LINKAGE_NAME (msymbol);
}
}
+ if (symbol == NULL && msymbol == NULL)
+ return;
+
+ /* On some targets, mask out extra "flag" bits from PC for handsome
+ disassembly. */
+
+#ifdef GDB_TARGET_MASK_DISAS_PC
+ name_location = GDB_TARGET_MASK_DISAS_PC (name_location);
+ addr = GDB_TARGET_MASK_DISAS_PC (addr);
+#endif
/* If the nearest symbol is too far away, don't print anything symbolic. */
return;
fputs_filtered (leadin, stream);
- fputs_filtered ("<", stream);
+ if (unmapped)
+ fputs_filtered ("<*", stream);
+ else
+ fputs_filtered ("<", stream);
fputs_filtered (name, stream);
if (addr != name_location)
fprintf_filtered (stream, "+%u", (unsigned int)(addr - name_location));
{
struct symtab_and_line sal;
- sal = find_pc_line (addr, 0);
+ sal = find_pc_sect_line (addr, section, 0);
+
if (sal.symtab)
fprintf_filtered (stream, " at %s:%d", sal.symtab->filename, sal.line);
else if (symtab && symbol && symbol->line)
else if (symtab)
fprintf_filtered (stream, " in %s", symtab->filename);
}
- fputs_filtered (">", stream);
+ if (unmapped)
+ fputs_filtered ("*>", stream);
+ else
+ fputs_filtered (">", stream);
}
+/* Print address ADDR on STREAM. USE_LOCAL means the same thing as for
+ print_longest. */
+void
+print_address_numeric (addr, use_local, stream)
+ CORE_ADDR addr;
+ int use_local;
+ GDB_FILE *stream;
+{
+ /* This assumes a CORE_ADDR can fit in a LONGEST. Probably a safe
+ assumption. */
+ print_longest (stream, 'x', use_local, (ULONGEST) addr);
+}
/* Print address ADDR symbolically on STREAM.
First print it as a number. Then perhaps print
CORE_ADDR addr;
GDB_FILE *stream;
{
-#if 0 && defined (ADDR_BITS_REMOVE)
- /* This is wrong for pointer to char, in which we do want to print
- the low bits. */
- fprintf_filtered (stream, local_hex_format(),
- (unsigned long) ADDR_BITS_REMOVE(addr));
-#else
- fprintf_filtered (stream, local_hex_format(), (unsigned long) addr);
-#endif
+ print_address_numeric (addr, 1, stream);
print_address_symbolic (addr, stream, asm_demangle, " ");
}
GDB_FILE *stream;
int do_demangle;
{
- if (addr == 0) {
- fprintf_filtered (stream, "0");
- } else if (addressprint) {
- fprintf_filtered (stream, local_hex_format(), (unsigned long) addr);
- print_address_symbolic (addr, stream, do_demangle, " ");
- } else {
- print_address_symbolic (addr, stream, do_demangle, "");
- }
+ if (addr == 0)
+ {
+ fprintf_filtered (stream, "0");
+ }
+ else if (addressprint)
+ {
+ print_address_numeric (addr, 1, stream);
+ print_address_symbolic (addr, stream, do_demangle, " ");
+ }
+ else
+ {
+ print_address_symbolic (addr, stream, do_demangle, "");
+ }
}
\f
Fetch it from memory and print on gdb_stdout. */
static void
-do_examine (fmt, addr)
+do_examine (fmt, addr, sect)
struct format_data fmt;
CORE_ADDR addr;
+ asection *sect;
{
register char format = 0;
register char size;
size = fmt.size;
count = fmt.count;
next_address = addr;
+ next_section = sect;
/* String or instruction format implies fetch single bytes
regardless of the specified size. */
while (count > 0)
{
+ QUIT;
print_address (next_address, gdb_stdout);
printf_filtered (":");
for (i = maxelts;
/* 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);
+ last_examine_value = value_at (val_type, next_address, sect);
print_formatted (last_examine_value, format, size);
}
printf_filtered ("\n");
struct expression *expr;
register struct cleanup *old_chain = 0;
register char format = 0;
- register value val;
+ register value_ptr val;
struct format_data fmt;
int cleanup = 0;
&& ( TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_STRUCT
|| TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_UNION))
{
- value v;
+ value_ptr v;
v = value_from_vtable_info (val, TYPE_TARGET_TYPE (type));
if (v != 0)
{
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);
printf_filtered ("\n");
+
+ if (histindex >= 0)
+ annotate_value_history_end ();
+ else
+ annotate_value_end ();
+
if (inspect)
printf_unfiltered("\") )\030");
}
struct expression *expr;
register struct cleanup *old_chain;
register char format = 0;
- register value val;
+ register value_ptr val;
struct format_data fmt;
if (exp && *exp == '/')
val = evaluate_expression (expr);
+ annotate_value_begin (VALUE_TYPE (val));
+
print_formatted (val, format, fmt.size);
+ annotate_value_end ();
+
do_cleanups (old_chain);
}
do_cleanups (old_chain);
}
+/* ARGSUSED */
+static void
+sym_info (arg, from_tty)
+ 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_SOURCE_NAME (msymbol), offset);
+ else
+ printf_filtered ("%s in ",
+ SYMBOL_SOURCE_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", sect->name);
+ printf_filtered ("\n");
+ }
+ }
+ if (matches == 0)
+ printf_filtered ("No symbol matches %s.\n", arg);
+}
+
/* ARGSUSED */
static void
address_info (exp, from_tty)
register struct minimal_symbol *msymbol;
register long val;
register long basereg;
+ asection *section;
+ CORE_ADDR load_addr;
int is_a_field_of_this; /* C++: lookup_symbol sets this to nonzero
if exp is a field of `this'. */
return;
}
- msymbol = lookup_minimal_symbol (exp, (struct objfile *) NULL);
+ 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 %s in a file compiled without debugging.\n",
- local_hex_string((unsigned long) SYMBOL_VALUE_ADDRESS (msymbol)));
+ printf_filtered ("\" is at ");
+ 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 ");
+ 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);
printf_filtered ("Symbol \"");
fprintf_symbol_filtered (gdb_stdout, SYMBOL_NAME (sym),
current_language->la_language, DMGL_ANSI);
- printf_filtered ("\" is ", SYMBOL_NAME (sym));
- val = SYMBOL_VALUE (sym);
+ printf_filtered ("\" is ");
+ val = SYMBOL_VALUE (sym);
basereg = SYMBOL_BASEREG (sym);
+ section = SYMBOL_BFD_SECTION (sym);
switch (SYMBOL_CLASS (sym))
{
break;
case LOC_LABEL:
- printf_filtered ("a label at address %s",
- local_hex_string((unsigned long) SYMBOL_VALUE_ADDRESS (sym)));
+ printf_filtered ("a label at address ");
+ 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 ");
+ print_address_numeric (load_addr, 1, gdb_stdout);
+ printf_filtered (" in overlay section %s", section->name);
+ }
break;
case LOC_REGISTER:
break;
case LOC_STATIC:
- printf_filtered ("static storage at address %s",
- local_hex_string((unsigned long) SYMBOL_VALUE_ADDRESS (sym)));
+ printf_filtered ("static storage at address ");
+ 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 ");
+ print_address_numeric (load_addr, 1, gdb_stdout);
+ printf_filtered (" in overlay section %s", section->name);
+ }
break;
case LOC_REGPARM:
break;
case LOC_BLOCK:
- printf_filtered ("a function at address %s",
- local_hex_string((unsigned long) BLOCK_START (SYMBOL_BLOCK_VALUE (sym))));
+ printf_filtered ("a function at address ");
+#ifdef GDB_TARGET_MASK_DISAS_PC
+ print_address_numeric
+ (load_addr= GDB_TARGET_MASK_DISAS_PC (BLOCK_START (SYMBOL_BLOCK_VALUE (sym))),
+ 1, gdb_stdout);
+#else
+ print_address_numeric (load_addr=BLOCK_START (SYMBOL_BLOCK_VALUE (sym)),
+ 1, gdb_stdout);
+#endif
+ if (section_is_overlay (section))
+ {
+ load_addr = overlay_unmapped_address (load_addr, section);
+ printf_filtered (",\n -- loaded at ");
+ print_address_numeric (load_addr, 1, gdb_stdout);
+ printf_filtered (" in overlay section %s", section->name);
+ }
+ break;
+
+ case LOC_UNRESOLVED:
+ {
+ struct minimal_symbol *msym;
+
+ msym = lookup_minimal_symbol (SYMBOL_NAME (sym), NULL, NULL);
+ if (msym == NULL)
+ printf_filtered ("unresolved");
+ else
+ {
+ section = SYMBOL_BFD_SECTION (msym);
+ printf_filtered ("static storage at address ");
+ 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 ");
+ print_address_numeric (load_addr, 1, gdb_stdout);
+ printf_filtered (" in overlay section %s", section->name);
+ }
+ }
+ }
break;
case LOC_OPTIMIZED_OUT:
next_address = VALUE_ADDRESS (val);
else
next_address = value_as_pointer (val);
+ if (VALUE_BFD_SECTION (val))
+ next_section = VALUE_BFD_SECTION (val);
do_cleanups (old_chain);
}
- do_examine (fmt, next_address);
+ do_examine (fmt, next_address, next_section);
/* If the examine succeeds, we remember its size and format for next time. */
last_size = fmt.size;
current_display_number = d->number;
- printf_filtered ("%d: ", d->number);
+ annotate_display_begin ();
+ printf_filtered ("%d", d->number);
+ annotate_display_number_end ();
+ printf_filtered (": ");
if (d->format.size)
{
CORE_ADDR addr;
-
+ value_ptr val;
+
+ annotate_display_format ();
+
printf_filtered ("x/");
if (d->format.count != 1)
printf_filtered ("%d", d->format.count);
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 (" ");
- addr = value_as_pointer (evaluate_expression (d->exp));
+ val = evaluate_expression (d->exp);
+ addr = value_as_pointer (val);
if (d->format.format == 'i')
addr = ADDR_BITS_REMOVE (addr);
-
- do_examine (d->format, addr);
+
+ annotate_display_value ();
+
+ do_examine (d->format, addr, VALUE_BFD_SECTION (val));
}
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);
printf_filtered ("\n");
}
+ annotate_display_end ();
+
gdb_flush (gdb_stdout);
current_display_number = -1;
}
void
print_variable_value (var, frame, stream)
struct symbol *var;
- FRAME frame;
+ struct frame_info *frame;
GDB_FILE *stream;
{
- value val = read_var_value (var, frame);
+ value_ptr val = read_var_value (var, frame);
+
value_print (val, stream, 0, Val_pretty_default);
}
int first = 1;
register int i;
register struct symbol *sym;
- register value val;
+ register value_ptr 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. */
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
Additional note: It might be nice if "info args" displayed
both values.
- One more note: There is a case with sparc sturcture passing
+ 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. */
if (! first)
fprintf_filtered (stream, ", ");
wrap_here (" ");
+
+ annotate_arg_begin ();
+
fprintf_symbol_filtered (stream, SYMBOL_SOURCE_NAME (sym),
SYMBOL_LANGUAGE (sym), DMGL_PARAMS | DMGL_ANSI);
+ annotate_arg_name_end ();
fputs_filtered ("=", stream);
/* Avoid value_print because it will deref ref parameters. We just
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, FRAME_INFO_ID (fi));
+ val = read_var_value (sym, fi);
+
+ annotate_arg_value (val == NULL ? NULL : VALUE_TYPE (val));
+
if (val)
val_print (VALUE_TYPE (val), VALUE_CONTENTS (val), VALUE_ADDRESS (val),
stream, 0, 0, 2, Val_no_prettyprint);
else
fputs_filtered ("???", stream);
+
+ annotate_arg_end ();
+
first = 0;
}
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;
#ifdef PRINT_TYPELESS_INTEGER
PRINT_TYPELESS_INTEGER (stream, builtin_type_int, (LONGEST) arg_value);
#else
- fprintf_filtered (stream, "%d", arg_value);
+ fprintf_filtered (stream, "%ld", arg_value);
#endif /* PRINT_TYPELESS_INTEGER */
#endif /* PRINT_NAMELESS_INTEGER */
first = 0;
register char *f;
register char *s = arg;
char *string;
- value *val_args;
+ value_ptr *val_args;
char *substrings;
char *current_substring;
int nargs = 0;
int allocated_args = 20;
struct cleanup *old_cleanups;
- val_args = (value *) xmalloc (allocated_args * sizeof (value));
+ val_args = (value_ptr *) xmalloc (allocated_args * sizeof (value_ptr));
old_cleanups = make_cleanup (free_current_contents, &val_args);
if (s == 0)
case '\\':
*f++ = '\\';
break;
+ case 'a':
+#ifdef __STDC__
+ *f++ = '\a';
+#else
+ *f++ = '\007'; /* Bell */
+#endif
+ 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 'r':
- *f++ = '\r';
+ case 'v':
+ *f++ = '\v';
break;
case '"':
*f++ = '"';
break;
default:
/* ??? TODO: handle other escape sequences */
- error ("Unrecognized \\ escape character in format string.");
+ error ("Unrecognized escape character \\%c in format string.",
+ c);
}
break;
{
/* Now scan the string for %-specs and see what kinds of args they want.
- argclass[I] classifies the %-specs so we can give vprintf_unfiltered something
- of the right size. */
+ argclass[I] classifies the %-specs so we can give printf_filtered
+ something of the right size. */
enum argclass {no_arg, int_arg, string_arg, double_arg, long_long_arg};
enum argclass *argclass;
{
char *s1;
if (nargs == allocated_args)
- val_args = (value *) xrealloc ((char *) val_args,
- (allocated_args *= 2)
- * sizeof (value));
+ val_args = (value_ptr *) xrealloc ((char *) val_args,
+ (allocated_args *= 2)
+ * sizeof (value_ptr));
s1 = s;
val_args[nargs] = parse_to_comma_and_eval (&s1);
if (argclass[nargs] == double_arg)
{
- if (TYPE_LENGTH (VALUE_TYPE (val_args[nargs])) == sizeof (float))
+ struct type *type = VALUE_TYPE (val_args[nargs]);
+ if (TYPE_LENGTH (type) == sizeof (float))
VALUE_TYPE (val_args[nargs]) = builtin_type_float;
- if (TYPE_LENGTH (VALUE_TYPE (val_args[nargs])) == sizeof (double))
+ if (TYPE_LENGTH (type) == sizeof (double))
VALUE_TYPE (val_args[nargs]) = builtin_type_double;
}
nargs++;
if (nargs != nargs_wanted)
error ("Wrong number of arguments for specified format-string");
- /* FIXME: We should be using vprintf_filtered, but as long as it
- has an arbitrary limit that is unacceptable. Correct fix is
- for vprintf_filtered to scan down the format string so it knows
- how big a buffer it needs (perhaps by putting a vasprintf (see
- GNU C library) in libiberty).
-
- But for now, just force out any pending output, so at least the output
- appears in the correct order. */
- wrap_here ((char *)NULL);
-
/* Now actually print them. */
current_substring = substrings;
for (i = 0; i < nargs; i++)
{
char c;
QUIT;
- read_memory (tem + j, &c, 1);
+ read_memory_section (tem + j, &c, 1,
+ VALUE_BFD_SECTION (val_args[i]));
if (c == 0)
break;
}
/* Copy the string contents into a string inside GDB. */
str = (char *) alloca (j + 1);
- read_memory (tem, str, j);
+ read_memory_section (tem, str, j, VALUE_BFD_SECTION (val_args[i]));
str[j] = 0;
- /* Don't use printf_filtered because of arbitrary limit. */
- printf_unfiltered (current_substring, str);
+ printf_filtered (current_substring, str);
}
break;
case double_arg:
{
double val = value_as_double (val_args[i]);
- /* Don't use printf_filtered because of arbitrary limit. */
- printf_unfiltered (current_substring, val);
+ 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]);
- /* Don't use printf_filtered because of arbitrary limit. */
- printf_unfiltered (current_substring, val);
+ printf_filtered (current_substring, val);
break;
}
#else
{
/* FIXME: there should be separate int_arg and long_arg. */
long val = value_as_long (val_args[i]);
- /* Don't use printf_filtered because of arbitrary limit. */
- printf_unfiltered (current_substring, val);
+ printf_filtered (current_substring, val);
break;
}
default:
current_substring += strlen (current_substring) + 1;
}
/* Print the portion of the format string after the last argument. */
- /* It would be OK to use printf_filtered here. */
- printf (last_arg);
+ printf_filtered (last_arg);
}
do_cleanups (old_cleanups);
}
{
CORE_ADDR low, high;
char *name;
- CORE_ADDR pc;
+ CORE_ADDR pc, pc_masked;
char *space_index;
+ asection *section;
name = NULL;
if (!arg)
pc = get_frame_pc (selected_frame);
if (find_pc_partial_function (pc, &name, &low, &high) == 0)
error ("No function contains program counter for selected frame.\n");
+ low += FUNCTION_START_OFFSET;
}
else if (!(space_index = (char *) strchr (arg, ' ')))
{
pc = parse_and_eval_address (arg);
if (find_pc_partial_function (pc, &name, &low, &high) == 0)
error ("No function contains specified address.\n");
+ 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);
+ }
+ }
+ low += FUNCTION_START_OFFSET;
}
else
{
}
else
{
- printf_filtered ("from %s ", local_hex_string((unsigned long) low));
- printf_filtered ("to %s:\n", local_hex_string((unsigned long) high));
+ printf_filtered ("from ");
+ print_address_numeric (low, 1, gdb_stdout);
+ printf_filtered (" to ");
+ print_address_numeric (high, 1, gdb_stdout);
+ printf_filtered (":\n");
}
/* Dump the specified range. */
- for (pc = low; pc < high; )
+ pc = low;
+
+#ifdef GDB_TARGET_MASK_DISAS_PC
+ pc_masked = GDB_TARGET_MASK_DISAS_PC (pc);
+#else
+ pc_masked = pc;
+#endif
+
+ while (pc_masked < high)
{
QUIT;
- print_address (pc, gdb_stdout);
+ print_address (pc_masked, gdb_stdout);
printf_filtered (":\t");
/* We often wrap here if there are long symbolic names. */
wrap_here (" ");
pc += print_insn (pc, gdb_stdout);
printf_filtered ("\n");
+
+#ifdef GDB_TARGET_MASK_DISAS_PC
+ pc_masked = GDB_TARGET_MASK_DISAS_PC (pc);
+#else
+ pc_masked = pc;
+#endif
}
printf_filtered ("End of assembler dump.\n");
gdb_flush (gdb_stdout);
}
+/* Print the instruction at address MEMADDR in debugged memory,
+ on STREAM. Returns length of the instruction, in bytes. */
+
+static int
+print_insn (memaddr, stream)
+ CORE_ADDR memaddr;
+ GDB_FILE *stream;
+{
+ /* If there's no disassembler, something is very wrong. */
+ if (tm_print_insn == NULL)
+ abort ();
+
+ if (TARGET_BYTE_ORDER == BIG_ENDIAN)
+ tm_print_insn_info.endian = BFD_ENDIAN_BIG;
+ else
+ tm_print_insn_info.endian = BFD_ENDIAN_LITTLE;
+
+ if (target_architecture != NULL)
+ tm_print_insn_info.mach = target_architecture->mach;
+ /* else: should set .mach=0 but some disassemblers don't grok this */
+
+ return (*tm_print_insn) (memaddr, &tm_print_insn_info);
+}
+
\f
void
_initialize_printcmd ()
current_display_number = -1;
add_info ("address", address_info,
- "Describe where variable VAR is stored.");
+ "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\
+ concat ("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\
-Size letters are b(byte), h(halfword), w(word), g(giant, 8 bytes).\n\
+ t(binary), f(float), a(address), i(instruction), c(char) and s(string).\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\".");
+with this command or \"print\".", NULL));
add_com ("disassemble", class_vars, disassemble_command,
"Disassemble a specified section of memory.\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.");
+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\
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\
+concat ("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\
+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.",
+You can see these environment settings with the \"show\" command.", NULL),
&setlist, "set ", 1, &cmdlist);
/* "call" is the same as "set", but handy for dbx users to call fns. */
\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\
+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",
&setprintlist),
&showprintlist);
- add_show_from_set (
- add_set_cmd ("fast-symbolic-addr", no_class, var_boolean,
- (char *)&fast_symbolic_addr,
- "Set fast printing of symbolic addresses (using minimal symbols).",
- &setprintlist),
- &showprintlist);
+ 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);
- examine_b_type = init_type (TYPE_CODE_INT, 1, 0, NULL, NULL);
- examine_h_type = init_type (TYPE_CODE_INT, 2, 0, NULL, NULL);
- examine_w_type = init_type (TYPE_CODE_INT, 4, 0, NULL, NULL);
- examine_g_type = init_type (TYPE_CODE_INT, 8, 0, NULL, NULL);
+ INIT_DISASSEMBLE_INFO_NO_ARCH (tm_print_insn_info, gdb_stdout, (fprintf_ftype)fprintf_filtered);
+ tm_print_insn_info.flavour = bfd_target_unknown_flavour;
+ tm_print_insn_info.read_memory_func = dis_asm_read_memory;
+ tm_print_insn_info.memory_error_func = dis_asm_memory_error;
+ tm_print_insn_info.print_address_func = dis_asm_print_address;
}