@@ -201,10 +201,6 @@ typedef enum
#define DEBUG_MEM(x) if (debug_memory) printf_unfiltered x
#define DEBUG_EXCEPT(x) if (debug_exceptions) printf_unfiltered x
-static void windows_interrupt (struct target_ops *self);
-static int windows_thread_alive (struct target_ops *, ptid_t);
-static void windows_kill_inferior (struct target_ops *);
-
static void cygwin_set_dr (int i, CORE_ADDR addr);
static void cygwin_set_dr7 (unsigned long val);
static CORE_ADDR cygwin_get_dr (int i);
@@ -302,6 +298,58 @@ static const struct xlate_exception
{STATUS_FLOAT_DIVIDE_BY_ZERO, GDB_SIGNAL_FPE},
{-1, GDB_SIGNAL_UNKNOWN}};
+
+struct windows_nat_target final : public x86_nat_target<inf_child_target>
+{
+ void close () override;
+
+ void attach (const char *, int) override;
+
+ bool attach_no_wait () override
+ { return true; }
+
+ void detach (inferior *, int) override;
+
+ void resume (ptid_t, int , enum gdb_signal) override;
+
+ ptid_t wait (ptid_t, struct target_waitstatus *, int) override;
+
+ void fetch_registers (struct regcache *, int) override;
+ void store_registers (struct regcache *, int) override;
+
+ enum target_xfer_status xfer_partial (enum target_object object,
+ const char *annex,
+ gdb_byte *readbuf,
+ const gdb_byte *writebuf,
+ ULONGEST offset, ULONGEST len,
+ ULONGEST *xfered_len) override;
+
+ void files_info () override;
+
+ void kill () override;
+
+ void create_inferior (const char *, const std::string &,
+ char **, int) override;
+
+ void mourn_inferior () override;
+
+ int thread_alive (ptid_t ptid) override;
+
+ const char *pid_to_str (ptid_t) override;
+
+ void interrupt () override;
+
+ char *pid_to_exec_file (int pid) override;
+
+ ptid_t get_ada_task_ptid (long lwp, long thread) override;
+
+ int get_tib_address (ptid_t ptid, CORE_ADDR *addr) override;
+
+ const char *thread_name (struct thread_info *) override;
+};
+
+static windows_nat_target the_windows_nat_target;
+
/* Set the MAPPINGS static global to OFFSETS.
See the description of MAPPINGS for more details. */
@@ -531,9 +579,8 @@ do_windows_fetch_inferior_registers (struct regcache *regcache,
}
}
-static void
-windows_fetch_inferior_registers (struct target_ops *ops,
- struct regcache *regcache, int r)
+void
+windows_nat_target::fetch_registers (struct regcache *regcache, int r)
{
DWORD pid = ptid_get_tid (regcache_get_ptid (regcache));
windows_thread_info *th = thread_rec (pid, TRUE);
@@ -560,9 +607,9 @@ do_windows_store_inferior_registers (const struct regcache *regcache,
/* Store a new register value into the context of the thread tied to
REGCACHE. */
-static void
-windows_store_inferior_registers (struct target_ops *ops,
- struct regcache *regcache, int r)
+
+void
+windows_nat_target::store_registers (struct regcache *regcache, int r)
{
DWORD pid = ptid_get_tid (regcache_get_ptid (regcache));
windows_thread_info *th = thread_rec (pid, TRUE);
@@ -1310,9 +1357,8 @@ fake_create_process (void)
return main_thread_id;
}
-static void
-windows_resume (struct target_ops *ops,
- ptid_t ptid, int step, enum gdb_signal sig)
+void
+windows_nat_target::resume (ptid_t ptid, int step, enum gdb_signal sig)
{
windows_thread_info *th;
DWORD continue_status = DBG_CONTINUE;
@@ -1373,8 +1419,7 @@ windows_resume (struct target_ops *ops,
/* Single step by setting t bit. */
struct regcache *regcache = get_current_regcache ();
struct gdbarch *gdbarch = regcache->arch ();
- windows_fetch_inferior_registers (ops, regcache,
- gdbarch_ps_regnum (gdbarch));
+ fetch_registers (regcache, gdbarch_ps_regnum (gdbarch));
th->context.EFlags |= FLAG_TRACE_BIT;
}
@@ -1631,9 +1676,9 @@ out:
}
/* Wait for interesting events to occur in the target process. */
-static ptid_t
-windows_wait (struct target_ops *ops,
- ptid_t ptid, struct target_waitstatus *ourstatus, int options)
+ptid_t
+windows_nat_target::wait (ptid_t ptid, struct target_waitstatus *ourstatus,
+ int options)
{
int pid = -1;
@@ -1676,7 +1721,7 @@ windows_wait (struct target_ops *ops,
the user tries to resume the execution in the inferior.
This is a classic race that we should try to fix one day. */
SetConsoleCtrlHandler (&ctrl_c_handler, TRUE);
- retval = get_windows_debug_event (ops, pid, ourstatus);
+ retval = get_windows_debug_event (this, pid, ourstatus);
SetConsoleCtrlHandler (&ctrl_c_handler, FALSE);
if (retval)
@@ -1689,7 +1734,7 @@ windows_wait (struct target_ops *ops,
detach = deprecated_ui_loop_hook (0);
if (detach)
- windows_kill_inferior (ops);
+ kill ();
}
}
}
@@ -1791,7 +1836,7 @@ do_initial_windows_stuff (struct target_ops *ops, DWORD pid, int attaching)
{
struct target_waitstatus status;
- windows_wait (ops, minus_one_ptid, &status, 0);
+ ops->wait (minus_one_ptid, &status, 0);
/* Note windows_wait returns TARGET_WAITKIND_SPURIOUS for thread
events. */
@@ -1799,7 +1844,7 @@ do_initial_windows_stuff (struct target_ops *ops, DWORD pid, int attaching)
&& status.kind != TARGET_WAITKIND_SPURIOUS)
break;
- windows_resume (ops, minus_one_ptid, 0, GDB_SIGNAL_0);
+ ops->resume (minus_one_ptid, 0, GDB_SIGNAL_0);
}
/* Now that the inferior has been started and all DLLs have been mapped,
@@ -1873,8 +1918,9 @@ out:
}
/* Attach to process PID, then initialize for debugging it. */
-static void
-windows_attach (struct target_ops *ops, const char *args, int from_tty)
+
+void
+windows_nat_target::attach (const char *args, int from_tty)
{
BOOL ok;
DWORD pid;
@@ -1922,17 +1968,17 @@ windows_attach (struct target_ops *ops, const char *args, int from_tty)
gdb_flush (gdb_stdout);
}
- do_initial_windows_stuff (ops, pid, 1);
+ do_initial_windows_stuff (this, pid, 1);
target_terminal::ours ();
}
-static void
-windows_detach (struct target_ops *ops, inferior *inf, int from_tty)
+void
+windows_nat_target::detach (inferior *inf, int from_tty)
{
int detached = 1;
ptid_t ptid = minus_one_ptid;
- windows_resume (ops, ptid, 0, GDB_SIGNAL_0);
+ resume (ptid, 0, GDB_SIGNAL_0);
if (!DebugActiveProcessStop (current_event.dwProcessId))
{
@@ -1956,7 +2002,7 @@ windows_detach (struct target_ops *ops, inferior *inf, int from_tty)
inferior_ptid = null_ptid;
detach_inferior (current_event.dwProcessId);
- inf_child_maybe_unpush_target (ops);
+ maybe_unpush_target ();
}
/* Try to determine the executable filename.
@@ -2013,8 +2059,8 @@ windows_get_exec_module_filename (char *exe_name_ret, size_t exe_name_max_len)
/* The pid_to_exec_file target_ops method for this platform. */
-static char *
-windows_pid_to_exec_file (struct target_ops *self, int pid)
+char *
+windows_nat_target::pid_to_exec_file (int pid)
{
static char path[__PMAX];
#ifdef __CYGWIN__
@@ -2041,8 +2087,8 @@ windows_pid_to_exec_file (struct target_ops *self, int pid)
/* Print status information about what we're accessing. */
-static void
-windows_files_info (struct target_ops *ignore)
+void
+windows_nat_target::files_info ()
{
struct inferior *inf = current_inferior ();
@@ -2430,10 +2476,10 @@ redirect_inferior_handles (const char *cmd_orig, char *cmd,
ALLARGS is a string containing the arguments to the program.
ENV is the environment vector to pass. Errors reported with error(). */
-static void
-windows_create_inferior (struct target_ops *ops, const char *exec_file,
- const std::string &origallargs, char **in_env,
- int from_tty)
+void
+windows_nat_target::create_inferior (const char *exec_file,
+ const std::string &origallargs,
+ char **in_env, int from_tty)
{
STARTUPINFO si;
#ifdef __CYGWIN__
@@ -2751,13 +2797,13 @@ windows_create_inferior (struct target_ops *ops, const char *exec_file,
else
saw_create = 0;
- do_initial_windows_stuff (ops, pi.dwProcessId, 0);
+ do_initial_windows_stuff (this, pi.dwProcessId, 0);
/* windows_continue (DBG_CONTINUE, -1, 0); */
}
-static void
-windows_mourn_inferior (struct target_ops *ops)
+void
+windows_nat_target::mourn_inferior ()
{
(void) windows_continue (DBG_CONTINUE, -1, 0);
x86_cleanup_dregs();
@@ -2766,14 +2812,14 @@ windows_mourn_inferior (struct target_ops *ops)
CHECK (CloseHandle (current_process_handle));
open_process_used = 0;
}
- inf_child_mourn_inferior (ops);
+ inf_child_target::mourn_inferior ();
}
/* Send a SIGINT to the process group. This acts just like the user typed a
^C on the controlling terminal. */
-static void
-windows_interrupt (struct target_ops *self)
+void
+windows_nat_target::interrupt ()
{
DEBUG_EVENTS (("gdb: GenerateConsoleCtrlEvent (CTRLC_EVENT, 0)\n"));
CHECK (GenerateConsoleCtrlEvent (CTRL_C_EVENT, current_event.dwProcessId));
@@ -2820,8 +2866,8 @@ windows_xfer_memory (gdb_byte *readbuf, const gdb_byte *writebuf,
return success ? TARGET_XFER_OK : TARGET_XFER_E_IO;
}
-static void
-windows_kill_inferior (struct target_ops *ops)
+void
+windows_nat_target::kill ()
{
CHECK (TerminateProcess (current_process_handle, 0));
@@ -2838,16 +2884,16 @@ windows_kill_inferior (struct target_ops *ops)
target_mourn_inferior (inferior_ptid); /* Or just windows_mourn_inferior? */
}
-static void
-windows_close (struct target_ops *self)
+void
+windows_nat_target::close ()
{
DEBUG_EVENTS (("gdb: windows_close, inferior_ptid=%d\n",
ptid_get_pid (inferior_ptid)));
}
/* Convert pid to printable format. */
-static const char *
-windows_pid_to_str (struct target_ops *ops, ptid_t ptid)
+const char *
+windows_nat_target::pid_to_str (ptid_t ptid)
{
static char buf[80];
@@ -2904,11 +2950,11 @@ windows_xfer_shared_libraries (struct target_ops *ops,
return len != 0 ? TARGET_XFER_OK : TARGET_XFER_EOF;
}
-static enum target_xfer_status
-windows_xfer_partial (struct target_ops *ops, enum target_object object,
- const char *annex, gdb_byte *readbuf,
- const gdb_byte *writebuf, ULONGEST offset, ULONGEST len,
- ULONGEST *xfered_len)
+enum target_xfer_status
+windows_nat_target::xfer_partial (enum target_object object,
+ const char *annex, gdb_byte *readbuf,
+ const gdb_byte *writebuf, ULONGEST offset, ULONGEST len,
+ ULONGEST *xfered_len)
{
switch (object)
{
@@ -2916,22 +2962,21 @@ windows_xfer_partial (struct target_ops *ops, enum target_object object,
return windows_xfer_memory (readbuf, writebuf, offset, len, xfered_len);
case TARGET_OBJECT_LIBRARIES:
- return windows_xfer_shared_libraries (ops, object, annex, readbuf,
+ return windows_xfer_shared_libraries (this, object, annex, readbuf,
writebuf, offset, len, xfered_len);
default:
- return ops->beneath->to_xfer_partial (ops->beneath, object, annex,
- readbuf, writebuf, offset, len,
- xfered_len);
+ return beneath->xfer_partial (object, annex,
+ readbuf, writebuf, offset, len,
+ xfered_len);
}
}
/* Provide thread local base, i.e. Thread Information Block address.
Returns 1 if ptid is found and sets *ADDR to thread_local_base. */
-static int
-windows_get_tib_address (struct target_ops *self,
- ptid_t ptid, CORE_ADDR *addr)
+int
+windows_nat_target::get_tib_address (ptid_t ptid, CORE_ADDR *addr)
{
windows_thread_info *th;
@@ -2945,58 +2990,24 @@ windows_get_tib_address (struct target_ops *self,
return 1;
}
-static ptid_t
-windows_get_ada_task_ptid (struct target_ops *self, long lwp, long thread)
+ptid_t
+windows_nat_target::get_ada_task_ptid (long lwp, long thread)
{
return ptid_build (ptid_get_pid (inferior_ptid), 0, lwp);
}
/* Implementation of the to_thread_name method. */
-static const char *
-windows_thread_name (struct target_ops *self, struct thread_info *thr)
+const char *
+windows_nat_target::thread_name (struct thread_info *thr)
{
return thread_rec (ptid_get_tid (thr->ptid), 0)->name;
}
-static struct target_ops *
-windows_target (void)
-{
- struct target_ops *t = inf_child_target ();
-
- t->to_close = windows_close;
- t->to_attach = windows_attach;
- t->to_attach_no_wait = 1;
- t->to_detach = windows_detach;
- t->to_resume = windows_resume;
- t->to_wait = windows_wait;
- t->to_fetch_registers = windows_fetch_inferior_registers;
- t->to_store_registers = windows_store_inferior_registers;
- t->to_xfer_partial = windows_xfer_partial;
- t->to_files_info = windows_files_info;
- t->to_kill = windows_kill_inferior;
- t->to_create_inferior = windows_create_inferior;
- t->to_mourn_inferior = windows_mourn_inferior;
- t->to_thread_alive = windows_thread_alive;
- t->to_pid_to_str = windows_pid_to_str;
- t->to_interrupt = windows_interrupt;
- t->to_pid_to_exec_file = windows_pid_to_exec_file;
- t->to_get_ada_task_ptid = windows_get_ada_task_ptid;
- t->to_get_tib_address = windows_get_tib_address;
- t->to_thread_name = windows_thread_name;
-
- return t;
-}
void
_initialize_windows_nat (void)
{
- struct target_ops *t;
-
- t = windows_target ();
-
- x86_use_watchpoints (t);
-
x86_dr_low.set_control = cygwin_set_dr7;
x86_dr_low.set_addr = cygwin_set_dr;
x86_dr_low.get_addr = cygwin_get_dr;
@@ -3007,7 +3018,7 @@ _initialize_windows_nat (void)
calling x86_set_debug_register_length function
in processor windows specific native file. */
- add_target (t);
+ add_target (&the_windows_nat_target);
#ifdef __CYGWIN__
cygwin_internal (CW_SET_DOS_FILE_WARNING, 0);
@@ -3144,8 +3155,9 @@ cygwin_get_dr7 (void)
/* Determine if the thread referenced by "ptid" is alive
by "polling" it. If WaitForSingleObject returns WAIT_OBJECT_0
it means that the thread has died. Otherwise it is assumed to be alive. */
-static int
-windows_thread_alive (struct target_ops *ops, ptid_t ptid)
+
+int
+windows_nat_target::thread_alive (ptid_t ptid)
{
int tid;