gdb/testsuite/
[deliverable/binutils-gdb.git] / gdb / record.c
index 3a6598c626e3033469d936db9a256daa32860378..ac55cdf8a0d210b3455c95fe54e5e1c3bc7fa330 100644 (file)
@@ -32,6 +32,7 @@
 #include "gcore.h"
 #include "event-loop.h"
 #include "inf-loop.h"
+#include "gdb_bfd.h"
 
 #include <signal.h>
 
@@ -100,7 +101,7 @@ struct record_reg_entry
 
 struct record_end_entry
 {
-  enum target_signal sigval;
+  enum gdb_signal sigval;
   ULONGEST insn_num;
 };
 
@@ -209,7 +210,7 @@ static struct target_ops record_core_ops;
 /* The beneath function pointers.  */
 static struct target_ops *record_beneath_to_resume_ops;
 static void (*record_beneath_to_resume) (struct target_ops *, ptid_t, int,
-                                         enum target_signal);
+                                         enum gdb_signal);
 static struct target_ops *record_beneath_to_wait_ops;
 static ptid_t (*record_beneath_to_wait) (struct target_ops *, ptid_t,
                                         struct target_waitstatus *,
@@ -484,6 +485,20 @@ record_arch_list_add_reg (struct regcache *regcache, int regnum)
   return 0;
 }
 
+int
+record_read_memory (struct gdbarch *gdbarch,
+                   CORE_ADDR memaddr, gdb_byte *myaddr,
+                   ssize_t len)
+{
+  int ret = target_read_memory (memaddr, myaddr, len);
+
+  if (ret && record_debug)
+    printf_unfiltered (_("Process record: error reading memory "
+                        "at addr %s len = %ld.\n"),
+                      paddress (gdbarch, memaddr), (long) len);
+  return ret;
+}
+
 /* Record the value of a region of memory whose address is ADDR and
    length is LEN to record_arch_list.  */
 
@@ -503,13 +518,8 @@ record_arch_list_add_mem (CORE_ADDR addr, int len)
 
   rec = record_mem_alloc (addr, len);
 
-  if (target_read_memory (addr, record_get_loc (rec), len))
+  if (record_read_memory (target_gdbarch, addr, record_get_loc (rec), len))
     {
-      if (record_debug)
-       fprintf_unfiltered (gdb_stdlog,
-                           "Process record: error reading memory at "
-                           "addr = %s len = %d.\n",
-                           paddress (target_gdbarch, addr), len);
       record_mem_release (rec);
       return -1;
     }
@@ -531,7 +541,7 @@ record_arch_list_add_end (void)
                        "Process record: add end to arch list.\n");
 
   rec = record_end_alloc ();
-  rec->u.end.sigval = TARGET_SIGNAL_0;
+  rec->u.end.sigval = GDB_SIGNAL_0;
   rec->u.end.insn_num = ++record_insn_count;
 
   record_arch_list_add (rec);
@@ -581,7 +591,7 @@ record_arch_list_cleanups (void *ignore)
    record_arch_list, and add it to record_list.  */
 
 static int
-record_message (struct regcache *regcache, enum target_signal signal)
+record_message (struct regcache *regcache, enum gdb_signal signal)
 {
   int ret;
   struct gdbarch *gdbarch = get_regcache_arch (regcache);
@@ -621,7 +631,7 @@ record_message (struct regcache *regcache, enum target_signal signal)
       record_list->u.end.sigval = signal;
     }
 
-  if (signal == TARGET_SIGNAL_0
+  if (signal == GDB_SIGNAL_0
       || !gdbarch_process_record_signal_p (gdbarch))
     ret = gdbarch_process_record (gdbarch,
                                  regcache,
@@ -652,7 +662,7 @@ record_message (struct regcache *regcache, enum target_signal signal)
 
 struct record_message_args {
   struct regcache *regcache;
-  enum target_signal signal;
+  enum gdb_signal signal;
 };
 
 static int
@@ -665,7 +675,7 @@ record_message_wrapper (void *args)
 
 static int
 record_message_wrapper_safe (struct regcache *regcache,
-                             enum target_signal signal)
+                             enum gdb_signal signal)
 {
   struct record_message_args args;
 
@@ -738,15 +748,9 @@ record_exec_insn (struct regcache *regcache, struct gdbarch *gdbarch,
                                   paddress (gdbarch, entry->u.mem.addr),
                                   entry->u.mem.len);
 
-            if (target_read_memory (entry->u.mem.addr, mem, entry->u.mem.len))
-              {
-                entry->u.mem.mem_entry_not_accessible = 1;
-                if (record_debug)
-                  warning (_("Process record: error reading memory at "
-                            "addr = %s len = %d."),
-                           paddress (gdbarch, entry->u.mem.addr),
-                           entry->u.mem.len);
-              }
+            if (record_read_memory (gdbarch,
+                                   entry->u.mem.addr, mem, entry->u.mem.len))
+             entry->u.mem.mem_entry_not_accessible = 1;
             else
               {
                 if (target_write_memory (entry->u.mem.addr, 
@@ -786,7 +790,7 @@ record_exec_insn (struct regcache *regcache, struct gdbarch *gdbarch,
 
 static struct target_ops *tmp_to_resume_ops;
 static void (*tmp_to_resume) (struct target_ops *, ptid_t, int,
-                             enum target_signal);
+                             enum gdb_signal);
 static struct target_ops *tmp_to_wait_ops;
 static ptid_t (*tmp_to_wait) (struct target_ops *, ptid_t,
                              struct target_waitstatus *,
@@ -896,6 +900,8 @@ record_open_1 (char *name, int from_tty)
   push_target (&record_ops);
 }
 
+static void record_init_record_breakpoints (void);
+
 /* "to_open" target method.  Open the process record target.  */
 
 static void
@@ -993,6 +999,8 @@ record_open (char *name, int from_tty)
   record_async_inferior_event_token
     = create_async_event_handler (record_async_inferior_event_handler,
                                  NULL);
+
+  record_init_record_breakpoints ();
 }
 
 /* "to_close" target method.  Close the process record target.  */
@@ -1056,7 +1064,7 @@ static enum exec_direction_kind record_execution_dir = EXEC_FORWARD;
 
 static void
 record_resume (struct target_ops *ops, ptid_t ptid, int step,
-               enum target_signal signal)
+               enum gdb_signal signal)
 {
   record_resume_step = step;
   record_resumed = 1;
@@ -1099,6 +1107,9 @@ record_resume (struct target_ops *ops, ptid_t ptid, int step,
             }
         }
 
+      /* Make sure the target beneath reports all signals.  */
+      target_pass_signals (0, NULL);
+
       record_beneath_to_resume (record_beneath_to_resume_ops,
                                 ptid, step, signal);
     }
@@ -1219,7 +1230,7 @@ record_wait_1 (struct target_ops *ops,
 
              /* Is this a SIGTRAP?  */
              if (status->kind == TARGET_WAITKIND_STOPPED
-                 && status->value.sig == TARGET_SIGNAL_TRAP)
+                 && status->value.sig == GDB_SIGNAL_TRAP)
                {
                  struct regcache *regcache;
                  struct address_space *aspace;
@@ -1261,10 +1272,10 @@ record_wait_1 (struct target_ops *ops,
                       int step = 1;
 
                      if (!record_message_wrapper_safe (regcache,
-                                                        TARGET_SIGNAL_0))
+                                                        GDB_SIGNAL_0))
                        {
                            status->kind = TARGET_WAITKIND_STOPPED;
-                           status->value.sig = TARGET_SIGNAL_0;
+                           status->value.sig = GDB_SIGNAL_0;
                            break;
                        }
 
@@ -1286,7 +1297,7 @@ record_wait_1 (struct target_ops *ops,
                                            "issuing one more step in the target beneath\n");
                      record_beneath_to_resume (record_beneath_to_resume_ops,
                                                ptid, step,
-                                               TARGET_SIGNAL_0);
+                                               GDB_SIGNAL_0);
                      continue;
                    }
                }
@@ -1425,7 +1436,7 @@ record_wait_1 (struct target_ops *ops,
                      continue_flag = 0;
                    }
                  /* Check target signal */
-                 if (record_list->u.end.sigval != TARGET_SIGNAL_0)
+                 if (record_list->u.end.sigval != GDB_SIGNAL_0)
                    /* FIXME: better way to check */
                    continue_flag = 0;
                }
@@ -1449,12 +1460,12 @@ record_wait_1 (struct target_ops *ops,
 
 replay_out:
       if (record_get_sig)
-       status->value.sig = TARGET_SIGNAL_INT;
-      else if (record_list->u.end.sigval != TARGET_SIGNAL_0)
+       status->value.sig = GDB_SIGNAL_INT;
+      else if (record_list->u.end.sigval != GDB_SIGNAL_0)
        /* FIXME: better way to check */
        status->value.sig = record_list->u.end.sigval;
       else
-       status->value.sig = TARGET_SIGNAL_TRAP;
+       status->value.sig = GDB_SIGNAL_TRAP;
 
       discard_cleanups (old_cleanups);
     }
@@ -1744,6 +1755,35 @@ DEF_VEC_P(record_breakpoint_p);
    active.  */
 VEC(record_breakpoint_p) *record_breakpoints = NULL;
 
+static void
+record_sync_record_breakpoints (struct bp_location *loc, void *data)
+{
+  if (loc->loc_type != bp_loc_software_breakpoint)
+      return;
+
+  if (loc->inserted)
+    {
+      struct record_breakpoint *bp = XNEW (struct record_breakpoint);
+
+      bp->addr = loc->target_info.placed_address;
+      bp->address_space = loc->target_info.placed_address_space;
+
+      bp->in_target_beneath = 1;
+
+      VEC_safe_push (record_breakpoint_p, record_breakpoints, bp);
+    }
+}
+
+/* Sync existing breakpoints to record_breakpoints.  */
+
+static void
+record_init_record_breakpoints (void)
+{
+  VEC_free (record_breakpoint_p, record_breakpoints);
+
+  iterate_over_bp_locations (record_sync_record_breakpoints);
+}
+
 /* Behavior is conditional on RECORD_IS_REPLAY.  We will not actually
    insert or remove breakpoints in the real target when replaying, nor
    when recording.  */
@@ -1948,7 +1988,7 @@ init_record_ops (void)
 
 static void
 record_core_resume (struct target_ops *ops, ptid_t ptid, int step,
-                    enum target_signal signal)
+                    enum gdb_signal signal)
 {
   record_resume_step = step;
   record_resumed = 1;
@@ -2605,7 +2645,7 @@ record_save_cleanups (void *data)
   bfd *obfd = data;
   char *pathname = xstrdup (bfd_get_filename (obfd));
 
-  bfd_close (obfd);
+  gdb_bfd_unref (obfd);
   unlink (pathname);
   xfree (pathname);
 }
@@ -2821,7 +2861,7 @@ cmd_record_save (char *args, int from_tty)
     }
 
   do_cleanups (set_cleanups);
-  bfd_close (obfd);
+  gdb_bfd_unref (obfd);
   discard_cleanups (old_cleanups);
 
   /* Succeeded.  */
@@ -2924,6 +2964,9 @@ cmd_record_goto (char *arg, int from_tty)
   print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC);
 }
 
+/* Provide a prototype to silence -Wmissing-prototypes.  */
+extern initialize_file_ftype _initialize_record;
+
 void
 _initialize_record (void)
 {
This page took 0.03092 seconds and 4 git commands to generate.