Automatic date update in version.in

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

diff --git a/gdb/arch-utils.c b/gdb/arch-utils.c
index 6c0e0b3276989c77e4bcce6f7b8f2ab6a3690425..55b115c13550747dad8dabdb834710d6b3fc7476 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) 1998-2017 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -20,7 +20,6 @@
 #include "defs.h"
 
 #include "arch-utils.h"
-#include "buildsym.h"
 #include "gdbcmd.h"
 #include "inferior.h"          /* enum CALL_DUMMY_LOCATION et al.  */
 #include "infrun.h"
@@ -33,7 +32,7 @@
 #include "language.h"
 #include "symtab.h"
 
-#include "version.h"
+#include "gdbsupport/version.h"
 
 #include "floatformat.h"
 
@@ -70,7 +69,7 @@ legacy_register_sim_regno (struct gdbarch *gdbarch, int regnum)
   gdb_assert (regnum >= 0 && regnum < gdbarch_num_regs (gdbarch));
   /* NOTE: cagney/2002-05-13: The old code did it this way and it is
      suspected that some GDB/SIM combinations may rely on this
-     behavour.  The default should be one2one_register_sim_regno
+     behaviour.  The default should be one2one_register_sim_regno
      (below).  */
   if (gdbarch_register_name (gdbarch, regnum) != NULL
       && gdbarch_register_name (gdbarch, regnum)[0] != '\0')
@@ -374,7 +373,7 @@ set_endian (const char *ignore_args, int from_tty, struct cmd_list_element *c)
 
    SELECTED may be NULL, in which case we return the architecture
    associated with TARGET_DESC.  If SELECTED specifies a variant
-   of the architecture associtated with TARGET_DESC, return the
+   of the architecture associated with TARGET_DESC, return the
    more specific of the two.
 
    If SELECTED is a different architecture, but it is accepted as
@@ -727,7 +726,6 @@ gdbarch_info_init (struct gdbarch_info *info)
   memset (info, 0, sizeof (struct gdbarch_info));
   info->byte_order = BFD_ENDIAN_UNKNOWN;
   info->byte_order_for_code = info->byte_order;
-  info->osabi = GDB_OSABI_UNINITIALIZED;
 }
 
 /* Similar to init, but this time fill in the blanks.  Information is
@@ -769,12 +767,15 @@ gdbarch_info_fill (struct gdbarch_info *info)
   if (info->byte_order == BFD_ENDIAN_UNKNOWN)
     info->byte_order = default_byte_order;
   info->byte_order_for_code = info->byte_order;
+  /* Wire the default to the last selected byte order.  */
+  default_byte_order = info->byte_order;
 
   /* "(gdb) set osabi ...".  Handled by gdbarch_lookup_osabi.  */
   /* From the manual override, or from file.  */
-  if (info->osabi == GDB_OSABI_UNINITIALIZED)
+  if (info->osabi == GDB_OSABI_UNKNOWN)
     info->osabi = gdbarch_lookup_osabi (info->abfd);
   /* From the target.  */
+
   if (info->osabi == GDB_OSABI_UNKNOWN && info->target_desc != NULL)
     info->osabi = tdesc_osabi (info->target_desc);
   /* From the configured default.  */
@@ -782,6 +783,9 @@ gdbarch_info_fill (struct gdbarch_info *info)
   if (info->osabi == GDB_OSABI_UNKNOWN)
     info->osabi = GDB_OSABI_DEFAULT;
 #endif
+  /* If we still don't know which osabi to pick, pick none.  */
+  if (info->osabi == GDB_OSABI_UNKNOWN)
+    info->osabi = GDB_OSABI_NONE;
 
   /* Must have at least filled in the architecture.  */
   gdb_assert (info->bfd_arch_info != NULL);
@@ -813,12 +817,12 @@ default_has_shared_address_space (struct gdbarch *gdbarch)
 
 int
 default_fast_tracepoint_valid_at (struct gdbarch *gdbarch, CORE_ADDR addr,
-                                 char **msg)
+                                 std::string *msg)
 {
   /* We don't know if maybe the target has some way to do fast
      tracepoints that doesn't need gdbarch, so always say yes.  */
   if (msg)
-    *msg = NULL;
+    msg->clear ();
   return 1;
 }
 
@@ -854,7 +858,7 @@ default_return_in_first_hidden_param_p (struct gdbarch *gdbarch,
   /* 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);
+  return !(language_pass_by_reference (type).trivially_copyable);
 }
 
 int default_insn_is_call (struct gdbarch *gdbarch, CORE_ADDR addr)
@@ -899,11 +903,12 @@ default_infcall_munmap (CORE_ADDR addr, CORE_ADDR size)
 /* -mcmodel=large is used so that no GOT (Global Offset Table) is needed to be
    created in inferior memory by GDB (normally it is set by ld.so).  */
 
-char *
+std::string
 default_gcc_target_options (struct gdbarch *gdbarch)
 {
-  return xstrprintf ("-m%d%s", gdbarch_ptr_bit (gdbarch),
-                    gdbarch_ptr_bit (gdbarch) == 64 ? " -mcmodel=large" : "");
+  return string_printf ("-m%d%s", gdbarch_ptr_bit (gdbarch),
+                       (gdbarch_ptr_bit (gdbarch) == 64
+                        ? " -mcmodel=large" : ""));
 }
 
 /* gdbarch gnu_triplet_regexp method.  */
@@ -943,7 +948,7 @@ default_guess_tracepoint_registers (struct gdbarch *gdbarch,
   regs = (gdb_byte *) alloca (register_size (gdbarch, pc_regno));
   store_unsigned_integer (regs, register_size (gdbarch, pc_regno),
                          gdbarch_byte_order (gdbarch), addr);
-  regcache_raw_supply (regcache, pc_regno, regs);
+  regcache->raw_supply (pc_regno, regs);
 }
 
 int
@@ -965,17 +970,40 @@ gdbarch_skip_prologue_noexcept (gdbarch *gdbarch, CORE_ADDR pc) noexcept
 {
   CORE_ADDR new_pc = pc;
 
-  TRY
+  try
     {
       new_pc = gdbarch_skip_prologue (gdbarch, pc);
     }
-  CATCH (ex, RETURN_MASK_ALL)
+  catch (const gdb_exception &ex)
     {}
-  END_CATCH
 
   return new_pc;
 }
 
+/* See arch-utils.h.  */
+
+bool
+default_in_indirect_branch_thunk (gdbarch *gdbarch, CORE_ADDR pc)
+{
+  return false;
+}
+
+/* See arch-utils.h.  */
+
+ULONGEST
+default_type_align (struct gdbarch *gdbarch, struct type *type)
+{
+  return 0;
+}
+
+/* See arch-utils.h.  */
+
+std::string
+default_get_pc_address_flags (frame_info *frame, CORE_ADDR pc)
+{
+  return "";
+}
+
 void
 _initialize_gdbarch_utils (void)
 {