/* User visible, per-frame registers, for GDB, the GNU debugger.
- Copyright (C) 2002, 2003, 2004, 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 2002-2015 Free Software Foundation, Inc.
Contributed by Red Hat.
#include "defs.h"
#include "user-regs.h"
#include "gdbtypes.h"
-#include "gdb_string.h"
-#include "gdb_assert.h"
#include "frame.h"
+#include "arch-utils.h"
+#include "command.h"
+#include "cli/cli-cmds.h"
/* A table of user registers.
/* An array of the builtin user registers. */
-static struct gdb_user_regs builtin_user_regs = { NULL, &builtin_user_regs.first };
+static struct gdb_user_regs builtin_user_regs = {
+ NULL, &builtin_user_regs.first
+};
void
user_reg_add_builtin (const char *name, user_reg_read_ftype *read,
const void *baton)
{
append_user_reg (&builtin_user_regs, name, read, baton,
- XMALLOC (struct user_reg));
+ XNEW (struct user_reg));
}
/* Per-architecture user registers. Start with the builtin user
user_regs_init (struct gdbarch *gdbarch)
{
struct user_reg *reg;
- struct gdb_user_regs *regs = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct gdb_user_regs);
+ struct gdb_user_regs *regs
+ = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct gdb_user_regs);
+
regs->last = ®s->first;
for (reg = builtin_user_regs.first; reg != NULL; reg = reg->next)
append_user_reg (regs, reg->name, reg->read, reg->baton,
user_reg_add (struct gdbarch *gdbarch, const char *name,
user_reg_read_ftype *read, const void *baton)
{
- struct gdb_user_regs *regs = gdbarch_data (gdbarch, user_regs_data);
+ struct gdb_user_regs *regs
+ = (struct gdb_user_regs *) gdbarch_data (gdbarch, user_regs_data);
+
if (regs == NULL)
{
/* ULGH, called during architecture initialization. Patch
things up. */
- regs = user_regs_init (gdbarch);
+ regs = (struct gdb_user_regs *) user_regs_init (gdbarch);
deprecated_set_gdbarch_data (gdbarch, user_regs_data, regs);
}
append_user_reg (regs, name, read, baton,
int i;
int maxregs = (gdbarch_num_regs (gdbarch)
+ gdbarch_num_pseudo_regs (gdbarch));
+
for (i = 0; i < maxregs; i++)
{
const char *regname = gdbarch_register_name (gdbarch, i);
+
if (regname != NULL && len == strlen (regname)
&& strncmp (regname, name, len) == 0)
{
/* Search the user name space. */
{
- struct gdb_user_regs *regs = gdbarch_data (gdbarch, user_regs_data);
+ struct gdb_user_regs *regs
+ = (struct gdb_user_regs *) gdbarch_data (gdbarch, user_regs_data);
struct user_reg *reg;
int nr;
+
for (nr = 0, reg = regs->first; reg != NULL; reg = reg->next, nr++)
{
if ((len < 0 && strcmp (reg->name, name))
static struct user_reg *
usernum_to_user_reg (struct gdbarch *gdbarch, int usernum)
{
- struct gdb_user_regs *regs = gdbarch_data (gdbarch, user_regs_data);
+ struct gdb_user_regs *regs
+ = (struct gdb_user_regs *) gdbarch_data (gdbarch, user_regs_data);
struct user_reg *reg;
+
for (reg = regs->first; reg != NULL; reg = reg->next)
{
if (usernum == 0)
{
int maxregs = (gdbarch_num_regs (gdbarch)
+ gdbarch_num_pseudo_regs (gdbarch));
+
if (regnum < 0)
return NULL;
else if (regnum < maxregs)
int maxregs = (gdbarch_num_regs (gdbarch)
+ gdbarch_num_pseudo_regs (gdbarch));
struct user_reg *reg = usernum_to_user_reg (gdbarch, regnum - maxregs);
+
gdb_assert (reg != NULL);
return reg->read (frame, reg->baton);
}
+static void
+maintenance_print_user_registers (char *args, int from_tty)
+{
+ struct gdbarch *gdbarch = get_current_arch ();
+ struct gdb_user_regs *regs;
+ struct user_reg *reg;
+ int regnum;
+
+ regs = (struct gdb_user_regs *) gdbarch_data (gdbarch, user_regs_data);
+ regnum = gdbarch_num_regs (gdbarch) + gdbarch_num_pseudo_regs (gdbarch);
+
+ fprintf_unfiltered (gdb_stdout, " %-11s %3s\n", "Name", "Nr");
+ for (reg = regs->first; reg != NULL; reg = reg->next, ++regnum)
+ fprintf_unfiltered (gdb_stdout, " %-11s %3d\n", reg->name, regnum);
+}
+
extern initialize_file_ftype _initialize_user_regs; /* -Wmissing-prototypes */
void
_initialize_user_regs (void)
{
user_regs_data = gdbarch_data_register_post_init (user_regs_init);
+
+ add_cmd ("user-registers", class_maintenance,
+ maintenance_print_user_registers,
+ _("List the names of the current user registers.\n"),
+ &maintenanceprintlist);
}