#include "arch-utils.h"
#include "readline/readline.h"
#include "gdbthread.h"
-#include "common/byte-vector.h"
+#include "gdbsupport/byte-vector.h"
/* Prototypes */
static void gdb_os_error (host_callback *, const char *, ...)
ATTRIBUTE_NORETURN;
-void simulator_command (char *args, int from_tty);
-
/* Naming convention:
sim_* are the interface to the simulator (see remote-sim.h).
static struct gdbsim_target gdbsim_ops;
-static const struct inferior_data *sim_inferior_data_key;
+/* Value of the next pid to allocate for an inferior. As indicated
+ elsewhere, its initial value is somewhat arbitrary; it's critical
+ though that it's not zero or negative. */
+static int next_pid;
+#define INITIAL_PID 42000
/* Simulator-specific, per-inferior state. */
struct sim_inferior_data {
+ explicit sim_inferior_data (SIM_DESC desc)
+ : gdbsim_desc (desc),
+ remote_sim_ptid (next_pid, 0, next_pid)
+ {
+ ++next_pid;
+ }
+
+ ~sim_inferior_data ();
+
/* Flag which indicates whether or not the program has been loaded. */
- int program_loaded;
+ int program_loaded = 0;
/* Simulator descriptor for this inferior. */
SIM_DESC gdbsim_desc;
ptid_t remote_sim_ptid;
/* Signal with which to resume. */
- enum gdb_signal resume_siggnal;
+ enum gdb_signal resume_siggnal = GDB_SIGNAL_0;
/* Flag which indicates whether resume should step or not. */
- int resume_step;
+ int resume_step = 0;
};
+static inferior_key<sim_inferior_data> sim_inferior_data_key;
+
/* Flag indicating the "open" status of this module. It's set to 1
in gdbsim_open() and 0 in gdbsim_close(). */
static int gdbsim_is_open = 0;
-/* Value of the next pid to allocate for an inferior. As indicated
- elsewhere, its initial value is somewhat arbitrary; it's critical
- though that it's not zero or negative. */
-static int next_pid;
-#define INITIAL_PID 42000
-
/* Argument list to pass to sim_open(). It is allocated in gdbsim_open()
and deallocated in gdbsim_close(). The lifetime needs to extend beyond
the call to gdbsim_open() due to the fact that other sim instances other
struct sim_inferior_data *sim_data;
SIM_DESC new_sim_desc = (SIM_DESC) arg;
- sim_data = ((struct sim_inferior_data *)
- inferior_data (inf, sim_inferior_data_key));
+ sim_data = sim_inferior_data_key.get (inf);
return (sim_data != NULL && sim_data->gdbsim_desc == new_sim_desc);
}
get_sim_inferior_data (struct inferior *inf, int sim_instance_needed)
{
SIM_DESC sim_desc = NULL;
- struct sim_inferior_data *sim_data
- = (struct sim_inferior_data *) inferior_data (inf, sim_inferior_data_key);
+ struct sim_inferior_data *sim_data = sim_inferior_data_key.get (inf);
/* Try to allocate a new sim instance, if needed. We do this ahead of
a potential allocation of a sim_inferior_data struct in order to
if (sim_data == NULL)
{
- sim_data = XCNEW(struct sim_inferior_data);
- set_inferior_data (inf, sim_inferior_data_key, sim_data);
-
- /* Allocate a ptid for this inferior. */
- sim_data->remote_sim_ptid = ptid_t (next_pid, 0, next_pid);
- next_pid++;
-
- /* Initialize the other instance variables. */
- sim_data->program_loaded = 0;
- sim_data->gdbsim_desc = sim_desc;
- sim_data->resume_siggnal = GDB_SIGNAL_0;
- sim_data->resume_step = 0;
+ sim_data = sim_inferior_data_key.emplace (inf, sim_desc);
}
else if (sim_desc)
{
/* Free the per-inferior simulator data. */
-static void
-sim_inferior_data_cleanup (struct inferior *inf, void *data)
+sim_inferior_data::~sim_inferior_data ()
{
- struct sim_inferior_data *sim_data = (struct sim_inferior_data *) data;
-
- if (sim_data != NULL)
- {
- if (sim_data->gdbsim_desc)
- {
- sim_close (sim_data->gdbsim_desc, 0);
- sim_data->gdbsim_desc = NULL;
- }
- xfree (sim_data);
- }
+ if (gdbsim_desc)
+ sim_close (gdbsim_desc, 0);
}
static void
static int
gdbsim_close_inferior (struct inferior *inf, void *arg)
{
- struct sim_inferior_data *sim_data
- = (struct sim_inferior_data *) inferior_data (inf, sim_inferior_data_key);
+ struct sim_inferior_data *sim_data = sim_inferior_data_key.get (inf);
if (sim_data != NULL)
{
ptid_t ptid = sim_data->remote_sim_ptid;
- sim_inferior_data_cleanup (inf, sim_data);
- set_inferior_data (inf, sim_inferior_data_key, NULL);
+ sim_inferior_data_key.clear (inf);
/* Having a ptid allocated and stored in remote_sim_ptid does
not mean that a corresponding inferior was ever created.
/* Pass the command argument through to the simulator verbatim. The
simulator must do any command interpretation work. */
-void
+static void
simulator_command (const char *args, int from_tty)
{
struct sim_inferior_data *sim_data;
thus allocating memory that would not be garbage collected until
the ultimate destruction of the associated inferior. */
- sim_data = ((struct sim_inferior_data *)
- inferior_data (current_inferior (), sim_inferior_data_key));
+ sim_data = sim_inferior_data_key.get (current_inferior ());
if (sim_data == NULL || sim_data->gdbsim_desc == NULL)
{
{
struct sim_inferior_data *sim_data;
- sim_data = ((struct sim_inferior_data *)
- inferior_data (current_inferior (), sim_inferior_data_key));
+ sim_data = sim_inferior_data_key.get (current_inferior ());
if (sim_data == NULL || sim_data->gdbsim_desc == NULL)
return;
c = add_com ("sim", class_obscure, simulator_command,
_("Send a command to the simulator."));
set_cmd_completer (c, sim_command_completer);
-
- sim_inferior_data_key
- = register_inferior_data_with_cleanup (NULL, sim_inferior_data_cleanup);
}
projects / deliverable / binutils-gdb.git / blobdiff