/* Target operations for the remote server for GDB.
- Copyright (C) 2002, 2004, 2005, 2007, 2008, 2009
- Free Software Foundation, Inc.
+ Copyright (C) 2002-2014 Free Software Foundation, Inc.
Contributed by MontaVista Software.
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "server.h"
+#include "tracepoint.h"
struct target_ops *the_target;
void
-set_desired_inferior (int use_general)
+set_desired_thread (int use_general)
{
struct thread_info *found;
if (use_general == 1)
- {
- found = (struct thread_info *) find_inferior_id (&all_threads,
- general_thread);
- }
+ found = find_thread_ptid (general_thread);
else
- {
- found = NULL;
-
- /* If we are continuing any (all) thread(s), use step_thread
- to decide which thread to step and/or send the specified
- signal to. */
- if ((step_thread != 0 && step_thread != -1)
- && (cont_thread == 0 || cont_thread == -1))
- found = (struct thread_info *) find_inferior_id (&all_threads,
- step_thread);
-
- if (found == NULL)
- found = (struct thread_info *) find_inferior_id (&all_threads,
- cont_thread);
- }
+ found = find_thread_ptid (cont_thread);
if (found == NULL)
- current_inferior = (struct thread_info *) all_threads.head;
+ current_thread = get_first_thread ();
else
- current_inferior = found;
+ current_thread = found;
}
int
return res;
}
+/* See target/target.h. */
+
+int
+target_read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len)
+{
+ return read_inferior_memory (memaddr, myaddr, len);
+}
+
+/* See target/target.h. */
+
+int
+target_read_uint32 (CORE_ADDR memaddr, uint32_t *result)
+{
+ return read_inferior_memory (memaddr, (gdb_byte *) result, sizeof (*result));
+}
+
int
write_inferior_memory (CORE_ADDR memaddr, const unsigned char *myaddr,
int len)
buffer = xmalloc (len);
memcpy (buffer, myaddr, len);
- check_mem_write (memaddr, buffer, len);
+ check_mem_write (memaddr, buffer, myaddr, len);
res = (*the_target->write_memory) (memaddr, buffer, len);
free (buffer);
buffer = NULL;
return res;
}
-unsigned char
-mywait (char *statusp, int connected_wait)
+/* See target/target.h. */
+
+int
+target_write_memory (CORE_ADDR memaddr, const gdb_byte *myaddr, ssize_t len)
{
- unsigned char ret;
+ return write_inferior_memory (memaddr, myaddr, len);
+}
+
+ptid_t
+mywait (ptid_t ptid, struct target_waitstatus *ourstatus, int options,
+ int connected_wait)
+{
+ ptid_t ret;
if (connected_wait)
server_waiting = 1;
- ret = (*the_target->wait) (statusp);
+ ret = (*the_target->wait) (ptid, ourstatus, options);
+
+ /* We don't expose _LOADED events to gdbserver core. See the
+ `dlls_changed' global. */
+ if (ourstatus->kind == TARGET_WAITKIND_LOADED)
+ ourstatus->kind = TARGET_WAITKIND_STOPPED;
+
+ /* If GDB is connected through TCP/serial, then GDBserver will most
+ probably be running on its own terminal/console, so it's nice to
+ print there why is GDBserver exiting. If however, GDB is
+ connected through stdio, then there's no need to spam the GDB
+ console with this -- the user will already see the exit through
+ regular GDB output, in that same terminal. */
+ if (!remote_connection_is_stdio ())
+ {
+ if (ourstatus->kind == TARGET_WAITKIND_EXITED)
+ fprintf (stderr,
+ "\nChild exited with status %d\n", ourstatus->value.integer);
+ else if (ourstatus->kind == TARGET_WAITKIND_SIGNALLED)
+ fprintf (stderr, "\nChild terminated with signal = 0x%x (%s)\n",
+ gdb_signal_to_host (ourstatus->value.sig),
+ gdb_signal_to_name (ourstatus->value.sig));
+ }
if (connected_wait)
server_waiting = 0;
return ret;
}
+/* See target/target.h. */
+
+void
+target_stop_and_wait (ptid_t ptid)
+{
+ struct target_waitstatus status;
+ int was_non_stop = non_stop;
+ struct thread_resume resume_info;
+
+ resume_info.thread = ptid;
+ resume_info.kind = resume_stop;
+ resume_info.sig = GDB_SIGNAL_0;
+ (*the_target->resume) (&resume_info, 1);
+
+ non_stop = 1;
+ mywait (ptid, &status, 0, 0);
+ non_stop = was_non_stop;
+}
+
+/* See target/target.h. */
+
+void
+target_continue_no_signal (ptid_t ptid)
+{
+ struct thread_resume resume_info;
+
+ resume_info.thread = ptid;
+ resume_info.kind = resume_continue;
+ resume_info.sig = GDB_SIGNAL_0;
+ (*the_target->resume) (&resume_info, 1);
+}
+
+int
+start_non_stop (int nonstop)
+{
+ if (the_target->start_non_stop == NULL)
+ {
+ if (nonstop)
+ return -1;
+ else
+ return 0;
+ }
+
+ return (*the_target->start_non_stop) (nonstop);
+}
+
void
set_target_ops (struct target_ops *target)
{
the_target = (struct target_ops *) xmalloc (sizeof (*the_target));
memcpy (the_target, target, sizeof (*the_target));
}
+
+/* Convert pid to printable format. */
+
+const char *
+target_pid_to_str (ptid_t ptid)
+{
+ static char buf[80];
+
+ if (ptid_equal (ptid, minus_one_ptid))
+ xsnprintf (buf, sizeof (buf), "<all threads>");
+ else if (ptid_equal (ptid, null_ptid))
+ xsnprintf (buf, sizeof (buf), "<null thread>");
+ else if (ptid_get_tid (ptid) != 0)
+ xsnprintf (buf, sizeof (buf), "Thread %d.0x%lx",
+ ptid_get_pid (ptid), ptid_get_tid (ptid));
+ else if (ptid_get_lwp (ptid) != 0)
+ xsnprintf (buf, sizeof (buf), "LWP %d.%ld",
+ ptid_get_pid (ptid), ptid_get_lwp (ptid));
+ else
+ xsnprintf (buf, sizeof (buf), "Process %d",
+ ptid_get_pid (ptid));
+
+ return buf;
+}
+
+int
+kill_inferior (int pid)
+{
+ gdb_agent_about_to_close (pid);
+
+ return (*the_target->kill) (pid);
+}
projects / deliverable / binutils-gdb.git / blobdiff