X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fgdbserver%2Ftarget.c;h=998d6c1f230d2a21f8a83eadee1564ad2c043bb7;hb=b09846a918b74f0371149f730f8b391548b11a8d;hp=53a4c1ef55a4c4c35c5fcb805c90e166b012f662;hpb=611cb4a54268cbb8f25175dd4900fff87eae161b;p=deliverable%2Fbinutils-gdb.git
diff --git a/gdb/gdbserver/target.c b/gdb/gdbserver/target.c
index 53a4c1ef55..998d6c1f23 100644
--- a/gdb/gdbserver/target.c
+++ b/gdb/gdbserver/target.c
@@ -1,6 +1,6 @@
/* Target operations for the remote server for GDB.
- Copyright 2002
- Free Software Foundation, Inc.
+ Copyright (C) 2002, 2004-2005, 2007-2012 Free Software Foundation,
+ Inc.
Contributed by MontaVista Software.
@@ -8,7 +8,7 @@
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
@@ -17,31 +17,168 @@
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see . */
#include "server.h"
struct target_ops *the_target;
void
-read_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len)
+set_desired_inferior (int use_general)
{
- (*the_target->read_memory) (memaddr, myaddr, len);
+ struct thread_info *found;
+
+ if (use_general == 1)
+ found = find_thread_ptid (general_thread);
+ else
+ found = find_thread_ptid (cont_thread);
+
+ if (found == NULL)
+ current_inferior = (struct thread_info *) all_threads.head;
+ else
+ current_inferior = found;
+}
+
+int
+read_inferior_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len)
+{
+ int res;
+ res = (*the_target->read_memory) (memaddr, myaddr, len);
check_mem_read (memaddr, myaddr, len);
+ return res;
+}
+
+int
+write_inferior_memory (CORE_ADDR memaddr, const unsigned char *myaddr,
+ int len)
+{
+ /* Lacking cleanups, there is some potential for a memory leak if the
+ write fails and we go through error(). Make sure that no more than
+ one buffer is ever pending by making BUFFER static. */
+ static unsigned char *buffer = 0;
+ int res;
+
+ if (buffer != NULL)
+ free (buffer);
+
+ buffer = xmalloc (len);
+ memcpy (buffer, myaddr, len);
+ check_mem_write (memaddr, buffer, myaddr, len);
+ res = (*the_target->write_memory) (memaddr, buffer, len);
+ free (buffer);
+ buffer = NULL;
+
+ return res;
+}
+
+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) (ptid, ourstatus, options);
+
+ 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",
+ target_signal_to_host (ourstatus->value.sig),
+ target_signal_to_name (ourstatus->value.sig));
+
+ if (connected_wait)
+ server_waiting = 0;
+
+ return ret;
}
int
-write_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len)
+start_non_stop (int nonstop)
{
- check_mem_write (memaddr, myaddr, len);
- return (*the_target->write_memory) (memaddr, myaddr, len);
+ 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 *) malloc (sizeof (*the_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), "");
+ else if (ptid_equal (ptid, null_ptid))
+ xsnprintf (buf, sizeof (buf), "");
+ 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;
+}
+
+/* Return a pretty printed form of target_waitstatus. */
+
+const char *
+target_waitstatus_to_string (const struct target_waitstatus *ws)
+{
+ static char buf[200];
+ const char *kind_str = "status->kind = ";
+
+ switch (ws->kind)
+ {
+ case TARGET_WAITKIND_EXITED:
+ sprintf (buf, "%sexited, status = %d",
+ kind_str, ws->value.integer);
+ break;
+ case TARGET_WAITKIND_STOPPED:
+ sprintf (buf, "%sstopped, signal = %s",
+ kind_str, target_signal_to_name (ws->value.sig));
+ break;
+ case TARGET_WAITKIND_SIGNALLED:
+ sprintf (buf, "%ssignalled, signal = %s",
+ kind_str, target_signal_to_name (ws->value.sig));
+ break;
+ case TARGET_WAITKIND_LOADED:
+ sprintf (buf, "%sloaded", kind_str);
+ break;
+ case TARGET_WAITKIND_EXECD:
+ sprintf (buf, "%sexecd", kind_str);
+ break;
+ case TARGET_WAITKIND_SPURIOUS:
+ sprintf (buf, "%sspurious", kind_str);
+ break;
+ case TARGET_WAITKIND_IGNORE:
+ sprintf (buf, "%signore", kind_str);
+ break;
+ default:
+ sprintf (buf, "%sunknown???", kind_str);
+ break;
+ }
+
+ return buf;
+}