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

diff --git a/gdb/record-full.c b/gdb/record-full.c
index 8c1ca752dba6c70fabd778a8a4e231296bd5db00..f6023bf0e3e7e48ec5fc6dce23f12af1e4bcdeda 100644 (file)
--- a/gdb/record-full.c
+++ b/gdb/record-full.c
@@ -1,6 +1,6 @@
 /* Process record and replay target for GDB, the GNU debugger.
 
-   Copyright (C) 2013-2015 Free Software Foundation, Inc.
+   Copyright (C) 2013-2016 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -244,7 +244,7 @@ record_full_reg_alloc (struct regcache *regcache, int regnum)
   struct record_full_entry *rec;
   struct gdbarch *gdbarch = get_regcache_arch (regcache);
 
-  rec = xcalloc (1, sizeof (struct record_full_entry));
+  rec = XCNEW (struct record_full_entry);
   rec->type = record_full_reg;
   rec->u.reg.num = regnum;
   rec->u.reg.len = register_size (gdbarch, regnum);
@@ -272,7 +272,7 @@ record_full_mem_alloc (CORE_ADDR addr, int len)
 {
   struct record_full_entry *rec;
 
-  rec = xcalloc (1, sizeof (struct record_full_entry));
+  rec = XCNEW (struct record_full_entry);
   rec->type = record_full_mem;
   rec->u.mem.addr = addr;
   rec->u.mem.len = len;
@@ -300,7 +300,7 @@ record_full_end_alloc (void)
 {
   struct record_full_entry *rec;
 
-  rec = xcalloc (1, sizeof (struct record_full_entry));
+  rec = XCNEW (struct record_full_entry);
   rec->type = record_full_end;
 
   return rec;
@@ -651,7 +651,8 @@ struct record_full_message_args {
 static int
 record_full_message_wrapper (void *args)
 {
-  struct record_full_message_args *record_full_args = args;
+  struct record_full_message_args *record_full_args
+    = (struct record_full_message_args *) args;
 
   return record_full_message (record_full_args->regcache,
                              record_full_args->signal);
@@ -666,7 +667,7 @@ record_full_message_wrapper_safe (struct regcache *regcache,
   args.regcache = regcache;
   args.signal = signal;
 
-  return catch_errors (record_full_message_wrapper, &args, NULL,
+  return catch_errors (record_full_message_wrapper, &args, "",
                       RETURN_MASK_ALL);
 }
 
@@ -725,7 +726,8 @@ record_full_exec_insn (struct regcache *regcache,
        /* Nothing to do if the entry is flagged not_accessible.  */
         if (!entry->u.mem.mem_entry_not_accessible)
           {
-            gdb_byte *mem = alloca (entry->u.mem.len);
+            gdb_byte *mem = (gdb_byte *) xmalloc (entry->u.mem.len);
+            struct cleanup *cleanup = make_cleanup (xfree, mem);
 
             if (record_debug > 1)
               fprintf_unfiltered (gdb_stdlog,
@@ -770,6 +772,8 @@ record_full_exec_insn (struct regcache *regcache,
                      record_full_stop_reason = TARGET_STOPPED_BY_WATCHPOINT;
                  }
               }
+
+           do_cleanups (cleanup);
           }
       }
       break;
@@ -800,7 +804,7 @@ record_full_core_open_1 (const char *name, int from_tty)
 
   /* Get record_full_core_regbuf.  */
   target_fetch_registers (regcache, -1);
-  record_full_core_regbuf = xmalloc (MAX_REGISTER_SIZE * regnum);
+  record_full_core_regbuf = (gdb_byte *) xmalloc (MAX_REGISTER_SIZE * regnum);
   for (i = 0; i < regnum; i ++)
     regcache_raw_collect (regcache, i,
                          record_full_core_regbuf + MAX_REGISTER_SIZE * i);
@@ -1840,11 +1844,23 @@ record_full_delete (struct target_ops *self)
 /* The "to_record_is_replaying" target method.  */
 
 static int
-record_full_is_replaying (struct target_ops *self)
+record_full_is_replaying (struct target_ops *self, ptid_t ptid)
 {
   return RECORD_FULL_IS_REPLAY;
 }
 
+/* The "to_record_will_replay" target method.  */
+
+static int
+record_full_will_replay (struct target_ops *self, ptid_t ptid, int dir)
+{
+  /* We can currently only record when executing forwards.  Should we be able
+     to record when executing backwards on targets that support reverse
+     execution, this needs to be changed.  */
+
+  return RECORD_FULL_IS_REPLAY || dir == EXEC_REVERSE;
+}
+
 /* Go to a specific entry.  */
 
 static void
@@ -1917,6 +1933,14 @@ record_full_goto (struct target_ops *self, ULONGEST target_insn)
   record_full_goto_entry (p);
 }
 
+/* The "to_record_stop_replaying" target method.  */
+
+static void
+record_full_stop_replaying (struct target_ops *self)
+{
+  record_full_goto_end (self);
+}
+
 static void
 init_record_full_ops (void)
 {
@@ -1957,6 +1981,8 @@ init_record_full_ops (void)
   record_full_ops.to_save_record = record_full_save;
   record_full_ops.to_delete_record = record_full_delete;
   record_full_ops.to_record_is_replaying = record_full_is_replaying;
+  record_full_ops.to_record_will_replay = record_full_will_replay;
+  record_full_ops.to_record_stop_replaying = record_full_stop_replaying;
   record_full_ops.to_goto_record_begin = record_full_goto_begin;
   record_full_ops.to_goto_record_end = record_full_goto_end;
   record_full_ops.to_goto_record = record_full_goto;
@@ -2084,9 +2110,7 @@ record_full_core_xfer_partial (struct target_ops *ops,
                      if (!entry)
                        {
                          /* Add a new entry.  */
-                         entry = (struct record_full_core_buf_entry *)
-                           xmalloc
-                           (sizeof (struct record_full_core_buf_entry));
+                         entry = XNEW (struct record_full_core_buf_entry);
                          entry->p = p;
                          if (!bfd_malloc_and_get_section
                                (p->the_bfd_section->owner,
@@ -2205,6 +2229,7 @@ init_record_full_core_ops (void)
   record_full_core_ops.to_info_record = record_full_info;
   record_full_core_ops.to_delete_record = record_full_delete;
   record_full_core_ops.to_record_is_replaying = record_full_is_replaying;
+  record_full_core_ops.to_record_will_replay = record_full_will_replay;
   record_full_core_ops.to_goto_record_begin = record_full_goto_begin;
   record_full_core_ops.to_goto_record_end = record_full_goto_end;
   record_full_core_ops.to_goto_record = record_full_goto;
@@ -2500,7 +2525,7 @@ cmd_record_full_restore (char *args, int from_tty)
 static void
 record_full_save_cleanups (void *data)
 {
-  bfd *obfd = data;
+  bfd *obfd = (bfd *) data;
   char *pathname = xstrdup (bfd_get_filename (obfd));
 
   gdb_bfd_unref (obfd);