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[deliverable/binutils-gdb.git] / gdb / nds32-tdep.c

diff --git a/gdb/nds32-tdep.c b/gdb/nds32-tdep.c
index d3481e2000bb78d52bad6fecf54d901a3c42a38c..e30a016c5e338be7f3972d4840df2477057b08f9 100644 (file)
--- a/gdb/nds32-tdep.c
+++ b/gdb/nds32-tdep.c
@@ -1,6 +1,6 @@
 /* Target-dependent code for the NDS32 architecture, for GDB.
 
-   Copyright (C) 2013-2019 Free Software Foundation, Inc.
+   Copyright (C) 2013-2021 Free Software Foundation, Inc.
    Contributed by Andes Technology Corporation.
 
    This file is part of GDB.
@@ -34,7 +34,7 @@
 #include "dis-asm.h"
 #include "user-regs.h"
 #include "elf-bfd.h"
-#include "dwarf2-frame.h"
+#include "dwarf2/frame.h"
 #include "remote.h"
 #include "target-descriptions.h"
 
@@ -1387,32 +1387,7 @@ static const struct frame_unwind nds32_epilogue_frame_unwind =
   NULL,
   nds32_epilogue_frame_sniffer
 };
-\f
-/* Implement the "dummy_id" gdbarch method.  */
-
-static struct frame_id
-nds32_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame)
-{
-  CORE_ADDR sp = get_frame_register_unsigned (this_frame, NDS32_SP_REGNUM);
-
-  return frame_id_build (sp, get_frame_pc (this_frame));
-}
-
-/* Implement the "unwind_pc" gdbarch method.  */
-
-static CORE_ADDR
-nds32_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
-{
-  return frame_unwind_register_unsigned (next_frame, NDS32_PC_REGNUM);
-}
 
-/* Implement the "unwind_sp" gdbarch method.  */
-
-static CORE_ADDR
-nds32_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame)
-{
-  return frame_unwind_register_unsigned (next_frame, NDS32_SP_REGNUM);
-}
 \f
 /* Floating type and struct type that has only one floating type member
    can pass value using FPU registers (when FPU ABI is used).  */
@@ -1427,13 +1402,13 @@ nds32_check_calling_use_fpr (struct type *type)
   while (1)
     {
       t = check_typedef (t);
-      typecode = TYPE_CODE (t);
+      typecode = t->code ();
       if (typecode != TYPE_CODE_STRUCT)
        break;
-      else if (TYPE_NFIELDS (t) != 1)
+      else if (t->num_fields () != 1)
        return 0;
       else
-       t = TYPE_FIELD_TYPE (t, 0);
+       t = t->field (0).type ();
     }
 
   return typecode == TYPE_CODE_FLT;
@@ -1520,8 +1495,8 @@ nds32_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
         For ABI2FP+, the caller pushes only named arguments in registers
         and pushes all unnamed arguments in stack.  */
 
-      if (abi_use_fpr && TYPE_VARARGS (func_type)
-         && i >= TYPE_NFIELDS (func_type))
+      if (abi_use_fpr && func_type->has_varargs ()
+         && i >= func_type->num_fields ())
        goto use_stack;
 
       /* Try to use FPRs to pass arguments only when
@@ -1980,7 +1955,7 @@ nds32_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   struct gdbarch *gdbarch;
   struct gdbarch_tdep *tdep;
   struct gdbarch_list *best_arch;
-  struct tdesc_arch_data *tdesc_data = NULL;
+  tdesc_arch_data_up tdesc_data;
   const struct target_desc *tdesc = info.target_desc;
   int elf_abi = E_NDS_ABI_AABI;
   int fpu_freg = -1;
@@ -2013,11 +1988,9 @@ nds32_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
 
   tdesc_data = tdesc_data_alloc ();
 
-  if (!nds32_validate_tdesc_p (tdesc, tdesc_data, &fpu_freg, &use_pseudo_fsrs))
-    {
-      tdesc_data_cleanup (tdesc_data);
-      return NULL;
-    }
+  if (!nds32_validate_tdesc_p (tdesc, tdesc_data.get (), &fpu_freg,
+                              &use_pseudo_fsrs))
+    return NULL;
 
   /* Allocate space for the new architecture.  */
   tdep = XCNEW (struct gdbarch_tdep);
@@ -2047,7 +2020,7 @@ nds32_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
     num_regs = NDS32_NUM_REGS + num_fdr_map[fpu_freg] + num_fsr_map[fpu_freg];
 
   set_gdbarch_num_regs (gdbarch, num_regs);
-  tdesc_use_registers (gdbarch, tdesc, tdesc_data);
+  tdesc_use_registers (gdbarch, tdesc, std::move (tdesc_data));
 
   /* Cache the register number of fs0.  */
   if (fpu_freg != -1)
@@ -2086,7 +2059,7 @@ nds32_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   nds32_add_reggroups (gdbarch);
 
   /* Hook in ABI-specific overrides, if they have been registered.  */
-  info.tdesc_data = tdesc_data;
+  info.tdesc_data = tdesc_data.get ();
   gdbarch_init_osabi (info, gdbarch);
 
   /* Override tdesc_register callbacks for system registers.  */
@@ -2094,14 +2067,11 @@ nds32_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
 
   set_gdbarch_sp_regnum (gdbarch, NDS32_SP_REGNUM);
   set_gdbarch_pc_regnum (gdbarch, NDS32_PC_REGNUM);
-  set_gdbarch_unwind_sp (gdbarch, nds32_unwind_sp);
-  set_gdbarch_unwind_pc (gdbarch, nds32_unwind_pc);
   set_gdbarch_stack_frame_destroyed_p (gdbarch, nds32_stack_frame_destroyed_p);
   set_gdbarch_dwarf2_reg_to_regnum (gdbarch, nds32_dwarf2_reg_to_regnum);
 
   set_gdbarch_push_dummy_call (gdbarch, nds32_push_dummy_call);
   set_gdbarch_return_value (gdbarch, nds32_return_value);
-  set_gdbarch_dummy_id (gdbarch, nds32_dummy_id);
 
   set_gdbarch_skip_prologue (gdbarch, nds32_skip_prologue);
   set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
@@ -2124,8 +2094,9 @@ nds32_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   return gdbarch;
 }
 
+void _initialize_nds32_tdep ();
 void
-_initialize_nds32_tdep (void)
+_initialize_nds32_tdep ()
 {
   /* Initialize gdbarch.  */
   register_gdbarch_init (bfd_arch_nds32, nds32_gdbarch_init);