/* Target-vector operations for controlling Windows CE child processes, for GDB.
- Copyright 1999, 2000 Free Software Foundation, Inc.
+ Copyright 1999, 2000, 2001 Free Software Foundation, Inc.
Contributed by Cygnus Solutions, A Red Hat Company.
This file is part of GDB.
#include "gdbcmd.h"
#include <sys/param.h>
#include "wince-stub.h"
-#include "dcache.h"
#include <time.h>
+#include "regcache.h"
+#ifdef MIPS
+#include "mips-tdep.h"
+#endif
/* The ui's event loop. */
-extern int (*ui_loop_hook) PARAMS ((int signo));
+extern int (*ui_loop_hook) (int signo);
/* If we're not using the old Cygwin header file set, define the
following which never should have been in the generic Win32 API
static int connection_initialized = 0; /* True if we've initialized a RAPI session. */
-static DCACHE *remote_dcache;
-
/* The directory where the stub and executable files are uploaded. */
static const char *remote_directory = "\\gdb";
/* Forward declaration */
extern struct target_ops child_ops;
-static int win32_child_thread_alive PARAMS ((int));
-void child_kill_inferior PARAMS ((void));
+static int win32_child_thread_alive (ptid_t);
+void child_kill_inferior (void);
static int last_sig = 0; /* Set if a signal was received from the
debugged process */
n = 0; /* wrap */
/* Allocate space for the converted string, reusing any previously allocated
- space, if applicable. Note that if outs[n] is NULL, realloc will act as
+ space, if applicable. Note that if outs[n] is NULL, xrealloc will act as
a malloc (under cygwin, at least).
*/
- outs[n] = (LPWSTR) realloc (outs[n], *out_len);
+ outs[n] = (LPWSTR) xrealloc (outs[n], *out_len);
memset (outs[n], 0, *out_len);
(void) MultiByteToWideChar (CP_ACP, 0, s, -1, outs[n], *out_len);
return outs[n];
to terminate.
*/
static void
-stop_stub ()
+stop_stub (void)
{
if (s < 0)
return;
}
void
-wince_software_single_step (unsigned int ignore, int insert_breakpoints_p)
+wince_software_single_step (enum target_signal ignore,
+ int insert_breakpoints_p)
{
unsigned long pc;
thread_info *th = current_thread; /* Info on currently selected thread */
return;
}
#elif SHx
-/* Hitachi SH architecture instruction encoding masks */
+/* Renesas SH architecture instruction encoding masks */
#define COND_BR_MASK 0xff00
#define UCOND_DBR_MASK 0xe000
#define UCOND_DISP 0x0fff
#define UCOND_REG 0x0f00
-/* Hitachi SH instruction opcodes */
+/* Renesas SH instruction opcodes */
#define BF_INSTR 0x8b00
#define BT_INSTR 0x8900
which would be executed. This code hails from sh-stub.c.
*/
void
-wince_software_single_step (unsigned int ignore, int insert_breakpoints_p)
+wince_software_single_step (enum target_signal ignore,
+ int insert_breakpoints_p)
{
thread_info *th = current_thread; /* Info on currently selected thread */
}
void
-wince_software_single_step (unsigned int ignore, int insert_breakpoints_p)
+wince_software_single_step (enum target_signal ignore,
+ int insert_breakpoints_p)
{
unsigned long pc;
thread_info *th = current_thread; /* Info on currently selected thread */
/* Clear out any old thread list and reintialize it to a
pristine state. */
static void
-child_init_thread_list ()
+child_init_thread_list (void)
{
thread_info *th = &thread_head;
thread_info *here = th->next;
th->next = here->next;
(void) close_handle (here->h);
- free (here);
+ xfree (here);
}
}
thread_info *here = th->next;
th->next = here->next;
close_handle (here->h);
- free (here);
+ xfree (here);
}
}
static void
child_fetch_inferior_registers (int r)
{
- current_thread = thread_rec (inferior_pid, TRUE);
+ current_thread = thread_rec (PIDGET (inferior_ptid), TRUE);
do_child_fetch_inferior_registers (r);
}
do_child_store_inferior_registers (int r)
{
if (r >= 0)
- read_register_gen (r, ((char *) ¤t_thread->context) + mappings[r]);
+ deprecated_read_register_gen (r, ((char *) ¤t_thread->context) + mappings[r]);
else
{
for (r = 0; r < NUM_REGS; r++)
static void
child_store_inferior_registers (int r)
{
- current_thread = thread_rec (inferior_pid, TRUE);
+ current_thread = thread_rec (PIDGET (inferior_ptid), TRUE);
do_child_store_inferior_registers (r);
}
of error; store status through argument pointer OURSTATUS. */
static int
-handle_load_dll (PTR dummy)
+handle_load_dll (void *dummy)
{
LOAD_DLL_DEBUG_INFO *event = ¤t_event.u.LoadDll;
char dll_buf[MAX_PATH + 1];
"CREATE_PROCESS_DEBUG_EVENT"));
current_process_handle = current_event.u.CreateProcessInfo.hProcess;
- main_thread_id = inferior_pid = current_event.dwThreadId;
+ main_thread_id = current_event.dwThreadId;
+ inferior_ptid = pid_to_ptid (main_thread_id);
/* Add the main thread */
- th = child_add_thread (inferior_pid,
+ th = child_add_thread (PIDGET (inferior_ptid),
current_event.u.CreateProcessInfo.hThread);
break;
}
/* Wait for interesting events to occur in the target process. */
-static int
-child_wait (int pid, struct target_waitstatus *ourstatus)
+static ptid_t
+child_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
{
DWORD event_code;
int retval;
+ int pid = PIDGET (ptid);
/* We loop when we get a non-standard exception rather than return
with a SPURIOUS because resume can try and step or modify things,
while (1)
if (get_child_debug_event (pid, ourstatus, EXCEPTION_DEBUG_EVENT, &retval))
- return retval;
+ return pid_to_ptid (retval);
else
{
int detach = 0;
/* Print status information about what we're accessing. */
static void
-child_files_info (ignore)
- struct target_ops *ignore;
+child_files_info (struct target_ops *ignore)
{
printf_unfiltered ("\tUsing the running image of child %s.\n",
- target_pid_to_str (inferior_pid));
+ target_pid_to_str (inferior_ptid));
}
-/* ARGSUSED */
static void
-child_open (arg, from_tty)
- char *arg;
- int from_tty;
+child_open (char *arg, int from_tty)
{
error ("Use the \"run\" command to start a child process.");
}
error ("no filename found to upload - %s.", in_to);
len = strlen (dir) + strlen (to) + 2;
- remotefile = (char *) realloc (remotefile, len);
+ remotefile = (char *) xrealloc (remotefile, len);
strcpy (remotefile, dir);
strcat (remotefile, "\\");
strcat (remotefile, to);
/* Initialize the connection to the remote device. */
static void
-wince_initialize ()
+wince_initialize (void)
{
int tmp;
char args[256];
close (s0);
}
-/* Start an inferior win32 child process and sets inferior_pid to its pid.
+/* Start an inferior win32 child process and sets inferior_ptid to its pid.
EXEC_FILE is the file to run.
ALLARGS is a string containing the arguments to the program.
ENV is the environment vector to pass. Errors reported with error(). */
flags = DEBUG_PROCESS;
wince_initialize (); /* Make sure we've got a connection. */
- if (!remote_dcache)
- remote_dcache = dcache_init (remote_read_bytes, remote_write_bytes);
- else
- dcache_flush (remote_dcache);
exec_file = upload_to_device (exec_file, exec_file);
current_process_handle = pi.hProcess;
current_event.dwProcessId = pi.dwProcessId;
memset (¤t_event, 0, sizeof (current_event));
- inferior_pid = current_event.dwThreadId = pi.dwThreadId;
+ current_event.dwThreadId = pi.dwThreadId;
+ inferior_ptid = pid_to_ptid (current_event.dwThreadId);
push_target (&child_ops);
child_init_thread_list ();
child_add_thread (pi.dwThreadId, pi.hThread);
target_terminal_inferior ();
/* Run until process and threads are loaded */
- while (!get_child_debug_event (inferior_pid, &dummy,
+ while (!get_child_debug_event (PIDGET (inferior_ptid), &dummy,
CREATE_PROCESS_DEBUG_EVENT, &ret))
continue;
/* Chile has gone bye-bye. */
static void
-child_mourn_inferior ()
+child_mourn_inferior (void)
{
(void) child_continue (DBG_CONTINUE, -1);
unpush_target (&child_ops);
/* Move memory from child to/from gdb. */
int
-child_xfer_memory (CORE_ADDR memaddr, char *our, int len,
- int write, struct target_ops *target)
+child_xfer_memory (CORE_ADDR memaddr, char *our, int len, int write,
+ struct mem_attrib *attrib,
+ struct target_ops *target)
{
if (len <= 0)
return 0;
- return dcache_xfer_memory (remote_dcache, memaddr, our, len, write);
+
+ if (write)
+ res = remote_write_bytes (memaddr, our, len);
+ else
+ res = remote_read_bytes (memaddr, our, len);
+
+ return res;
}
/* Terminate the process and wait for child to tell us it has completed. */
/* Resume the child after an exception. */
void
-child_resume (int pid, int step, enum target_signal sig)
+child_resume (ptid_t ptid, int step, enum target_signal sig)
{
thread_info *th;
DWORD continue_status = last_sig > 0 && last_sig < NSIG ?
DBG_EXCEPTION_NOT_HANDLED : DBG_CONTINUE;
+ int pid = PIDGET (ptid);
DEBUG_EXEC (("gdb: child_resume (pid=%d, step=%d, sig=%d);\n",
pid, step, sig));
th->context.ContextFlags = 0;
}
- dcache_flush (remote_dcache);
-
/* Allow continuing with the same signal that interrupted us.
Otherwise complain. */
if (sig && sig != last_sig)
}
static void
-child_prepare_to_store ()
+child_prepare_to_store (void)
{
/* Do nothing, since we can store individual regs */
}
static int
-child_can_run ()
+child_can_run (void)
{
return 1;
}
static void
-child_close ()
+child_close (void)
{
- DEBUG_EVENTS (("gdb: child_close, inferior_pid=%d\n", inferior_pid));
+ DEBUG_EVENTS (("gdb: child_close, inferior_ptid=%d\n",
+ PIDGET (inferior_ptid)));
}
/* Explicitly upload file to remotedir */
child_ops.to_terminal_inferior = terminal_inferior;
child_ops.to_terminal_ours_for_output = terminal_ours_for_output;
child_ops.to_terminal_ours = terminal_ours;
+ child_ops.to_terminal_save_ours = terminal_save_ours;
child_ops.to_terminal_info = child_terminal_info;
child_ops.to_kill = child_kill_inferior;
child_ops.to_load = child_load;
child_ops.to_has_stack = 1;
child_ops.to_has_registers = 1;
child_ops.to_has_execution = 1;
- child_ops.to_sections = 0;
- child_ops.to_sections_end = 0;
child_ops.to_magic = OPS_MAGIC;
}
#define replace_upload(what) \
upload_when = what; \
- remote_upload = realloc (remote_upload, strlen (upload_options[upload_when].name) + 1); \
+ remote_upload = xrealloc (remote_upload, strlen (upload_options[upload_when].name) + 1); \
strcpy (remote_upload, upload_options[upload_when].name);
static void
}
void
-_initialize_inftarg ()
+_initialize_wince (void)
{
struct cmd_list_element *set;
init_child_ops ();
(char *) "Set how to upload executables to remote device.\n",
&setlist);
add_show_from_set (set, &showlist);
- set->function.cfunc = set_upload_type;
+ set_cmd_cfunc (set, set_upload_type);
set_upload_type (NULL, 0);
- set_dcache_state (1);
add_show_from_set
(add_set_cmd ((char *) "debugexec", class_support, var_boolean,
add_show_from_set
(add_set_cmd ((char *) "remoteaddhost", class_support, var_boolean,
(char *) &remote_add_host,
- (char *) "Set whether to add this host to remote stub arguments for\n
+ (char *) "\
+Set whether to add this host to remote stub arguments for\n\
debugging over a network.", &setlist),
&showlist);
by "polling" it. If WaitForSingleObject returns WAIT_OBJECT_0
it means that the pid has died. Otherwise it is assumed to be alive. */
static int
-win32_child_thread_alive (int pid)
+win32_child_thread_alive (ptid_t ptid)
{
+ int pid = PIDGET (ptid);
return thread_alive (thread_rec (pid, FALSE)->h);
}