common/

[deliverable/binutils-gdb.git] / gdb / record.c

diff --git a/gdb/record.c b/gdb/record.c
index 00c7deaa823c29aa9aeafbb33db6b1b0cbea1e2d..1f68d0496f55d36f1bc3e90b79a12de66bbe2ec1 100644 (file)
--- a/gdb/record.c
+++ b/gdb/record.c
@@ -1,6 +1,6 @@
 /* Process record and replay target for GDB, the GNU debugger.
 
-   Copyright (C) 2008, 2009 Free Software Foundation, Inc.
+   Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -572,17 +572,11 @@ record_arch_list_cleanups (void *ignore)
    record the running message of inferior and set them to
    record_arch_list, and add it to record_list.  */
 
-struct record_message_args {
-  struct regcache *regcache;
-  enum target_signal signal;
-};
-
 static int
-record_message (void *args)
+record_message (struct regcache *regcache, enum target_signal signal)
 {
   int ret;
-  struct record_message_args *myargs = args;
-  struct gdbarch *gdbarch = get_regcache_arch (myargs->regcache);
+  struct gdbarch *gdbarch = get_regcache_arch (regcache);
   struct cleanup *old_cleanups = make_cleanup (record_arch_list_cleanups, 0);
 
   record_arch_list_head = NULL;
@@ -616,18 +610,18 @@ record_message (void *args)
   if (record_list != &record_first)    /* FIXME better way to check */
     {
       gdb_assert (record_list->type == record_end);
-      record_list->u.end.sigval = myargs->signal;
+      record_list->u.end.sigval = signal;
     }
 
-  if (myargs->signal == TARGET_SIGNAL_0
+  if (signal == TARGET_SIGNAL_0
       || !gdbarch_process_record_signal_p (gdbarch))
     ret = gdbarch_process_record (gdbarch,
-                                 myargs->regcache,
-                                 regcache_read_pc (myargs->regcache));
+                                 regcache,
+                                 regcache_read_pc (regcache));
   else
     ret = gdbarch_process_record_signal (gdbarch,
-                                        myargs->regcache,
-                                        myargs->signal);
+                                        regcache,
+                                        signal);
 
   if (ret > 0)
     error (_("Process record: inferior program stopped."));
@@ -648,15 +642,29 @@ record_message (void *args)
   return 1;
 }
 
+struct record_message_args {
+  struct regcache *regcache;
+  enum target_signal signal;
+};
+
 static int
-do_record_message (struct regcache *regcache,
-                  enum target_signal signal)
+record_message_wrapper (void *args)
+{
+  struct record_message_args *record_args = args;
+
+  return record_message (record_args->regcache, record_args->signal);
+}
+
+static int
+record_message_wrapper_safe (struct regcache *regcache,
+                             enum target_signal signal)
 {
   struct record_message_args args;
 
   args.regcache = regcache;
   args.signal = signal;
-  return catch_errors (record_message, &args, NULL, RETURN_MASK_ALL);
+
+  return catch_errors (record_message_wrapper, &args, NULL, RETURN_MASK_ALL);
 }
 
 /* Set to 1 if record_store_registers and record_xfer_partial
@@ -983,7 +991,6 @@ record_close (int quitting)
 }
 
 static int record_resume_step = 0;
-static int record_resume_error;
 
 /* "to_resume" target method.  Resume the process record target.  */
 
@@ -995,15 +1002,7 @@ record_resume (struct target_ops *ops, ptid_t ptid, int step,
 
   if (!RECORD_IS_REPLAY)
     {
-      if (do_record_message (get_current_regcache (), signal))
-        {
-          record_resume_error = 0;
-        }
-      else
-        {
-          record_resume_error = 1;
-          return;
-        }
+      record_message (get_current_regcache (), signal);
       record_beneath_to_resume (record_beneath_to_resume_ops, ptid, 1,
                                 signal);
     }
@@ -1067,14 +1066,6 @@ record_wait (struct target_ops *ops,
 
   if (!RECORD_IS_REPLAY && ops != &record_core_ops)
     {
-      if (record_resume_error)
-       {
-         /* If record_resume get error, return directly.  */
-         status->kind = TARGET_WAITKIND_STOPPED;
-         status->value.sig = TARGET_SIGNAL_ABRT;
-         return inferior_ptid;
-       }
-
       if (record_resume_step)
        {
          /* This is a single step.  */
@@ -1130,8 +1121,13 @@ record_wait (struct target_ops *ops,
                    {
                      /* This must be a single-step trap.  Record the
                         insn and issue another step.  */
-                     if (!do_record_message (regcache, TARGET_SIGNAL_0))
-                       break;
+                     if (!record_message_wrapper_safe (regcache,
+                                                        TARGET_SIGNAL_0))
+                       {
+                           status->kind = TARGET_WAITKIND_STOPPED;
+                           status->value.sig = TARGET_SIGNAL_0;
+                           break;
+                       }
 
                      record_beneath_to_resume (record_beneath_to_resume_ops,
                                                ptid, 1,
@@ -1668,6 +1664,7 @@ init_record_ops (void)
   record_ops.to_insert_breakpoint = record_insert_breakpoint;
   record_ops.to_remove_breakpoint = record_remove_breakpoint;
   record_ops.to_stopped_by_watchpoint = record_stopped_by_watchpoint;
+  record_ops.to_stopped_data_address = record_stopped_data_address;
   record_ops.to_can_execute_reverse = record_can_execute_reverse;
   record_ops.to_stratum = record_stratum;
   /* Add bookmark target methods.  */
@@ -1876,6 +1873,7 @@ init_record_core_ops (void)
   record_core_ops.to_insert_breakpoint = record_core_insert_breakpoint;
   record_core_ops.to_remove_breakpoint = record_core_remove_breakpoint;
   record_core_ops.to_stopped_by_watchpoint = record_stopped_by_watchpoint;
+  record_core_ops.to_stopped_data_address = record_stopped_data_address;
   record_core_ops.to_can_execute_reverse = record_can_execute_reverse;
   record_core_ops.to_has_execution = record_core_has_execution;
   record_core_ops.to_stratum = record_stratum;