Correct invalid assumptions made by (mostly) DWARF-2 tests

[deliverable/binutils-gdb.git] / gdb / arch-utils.c

diff --git a/gdb/arch-utils.c b/gdb/arch-utils.c
index c6866a9afdbcad45d0c1942442e8899403e9689a..a2e76deb876bed1735e8dec143c9dc31cab1fd6e 100644 (file)
--- a/gdb/arch-utils.c
+++ b/gdb/arch-utils.c
@@ -1,6 +1,6 @@
 /* Dynamic architecture support for GDB, the GNU debugger.
 
-   Copyright (C) 1998-2012 Free Software Foundation, Inc.
+   Copyright (C) 1998-2014 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -23,14 +23,14 @@
 #include "buildsym.h"
 #include "gdbcmd.h"
 #include "inferior.h"          /* enum CALL_DUMMY_LOCATION et al.  */
-#include "gdb_string.h"
+#include "infrun.h"
 #include "regcache.h"
-#include "gdb_assert.h"
 #include "sim-regno.h"
 #include "gdbcore.h"
 #include "osabi.h"
 #include "target-descriptions.h"
 #include "objfiles.h"
+#include "language.h"
 
 #include "version.h"
 
@@ -243,6 +243,14 @@ default_remote_register_number (struct gdbarch *gdbarch,
   return regno;
 }
 
+/* See arch-utils.h.  */
+
+int
+default_vsyscall_range (struct gdbarch *gdbarch, struct mem_range *range)
+{
+  return 0;
+}
+
 \f
 /* Functions to manipulate the endianness of the target.  */
 
@@ -476,7 +484,7 @@ set_architecture (char *ignore_args, int from_tty, struct cmd_list_element *c)
 }
 
 /* Try to select a global architecture that matches "info".  Return
-   non-zero if the attempt succeds.  */
+   non-zero if the attempt succeeds.  */
 int
 gdbarch_update_p (struct gdbarch_info info)
 {
@@ -505,7 +513,7 @@ gdbarch_update_p (struct gdbarch_info info)
 
   /* If it is the same old architecture, accept the request (but don't
      swap anything).  */
-  if (new_gdbarch == target_gdbarch)
+  if (new_gdbarch == target_gdbarch ())
     {
       if (gdbarch_debug)
        fprintf_unfiltered (gdb_stdlog, "gdbarch_update_p: "
@@ -521,7 +529,7 @@ gdbarch_update_p (struct gdbarch_info info)
                        "New architecture %s (%s) selected\n",
                        host_address_to_string (new_gdbarch),
                        gdbarch_bfd_arch_info (new_gdbarch)->printable_name);
-  deprecated_target_gdbarch_select_hack (new_gdbarch);
+  set_target_gdbarch (new_gdbarch);
 
   return 1;
 }
@@ -555,7 +563,7 @@ set_gdbarch_from_file (bfd *abfd)
 
   if (gdbarch == NULL)
     error (_("Architecture of file not recognized."));
-  deprecated_target_gdbarch_select_hack (gdbarch);
+  set_target_gdbarch (gdbarch);
 }
 
 /* Initialize the current architecture.  Update the ``set
@@ -756,7 +764,7 @@ get_current_arch (void)
   if (has_stack_frames ())
     return get_frame_arch (get_selected_frame (NULL));
   else
-    return target_gdbarch;
+    return target_gdbarch ();
 }
 
 int
@@ -793,13 +801,43 @@ default_gen_return_address (struct gdbarch *gdbarch,
   error (_("This architecture has no method to collect a return address."));
 }
 
-enum target_signal
-default_target_signal_from_host (struct gdbarch *gdbarch, int signo)
+int
+default_return_in_first_hidden_param_p (struct gdbarch *gdbarch,
+                                       struct type *type)
+{
+  /* Usually, the return value's address is stored the in the "first hidden"
+     parameter if the return value should be passed by reference, as
+     specified in ABI.  */
+  return language_pass_by_reference (type);
+}
+
+int default_insn_is_call (struct gdbarch *gdbarch, CORE_ADDR addr)
+{
+  return 0;
+}
+
+int default_insn_is_ret (struct gdbarch *gdbarch, CORE_ADDR addr)
+{
+  return 0;
+}
+
+int default_insn_is_jump (struct gdbarch *gdbarch, CORE_ADDR addr)
 {
-  return target_signal_from_host (signo);
+  return 0;
 }
 
-/* */
+void
+default_skip_permanent_breakpoint (struct regcache *regcache)
+{
+  struct gdbarch *gdbarch = get_regcache_arch (regcache);
+  CORE_ADDR current_pc = regcache_read_pc (regcache);
+  const gdb_byte *bp_insn;
+  int bp_len;
+
+  bp_insn = gdbarch_breakpoint_from_pc (gdbarch, &current_pc, &bp_len);
+  current_pc += bp_len;
+  regcache_write_pc (regcache, current_pc);
+}
 
 /* -Wmissing-prototypes */
 extern initialize_file_ftype _initialize_gdbarch_utils;