gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / bfd / aout-ns32k.c

diff --git a/bfd/aout-ns32k.c b/bfd/aout-ns32k.c
index cc9f06d8dabd8e16f987388eaef738f72dfd09af..d988409817de441a8cb43402c36953d6730d58c7 100644 (file)
--- a/bfd/aout-ns32k.c
+++ b/bfd/aout-ns32k.c
@@ -1,13 +1,12 @@
 /* BFD back-end for ns32k a.out-ish binaries.
-   Copyright 1990, 1991, 1992, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
-   2002, 2003, 2005 Free Software Foundation, Inc.
+   Copyright (C) 1990-2020 Free Software Foundation, Inc.
    Contributed by Ian Dall (idall@eleceng.adelaide.edu.au).
 
    This file is part of BFD, the Binary File Descriptor library.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -17,8 +16,10 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
 
+#include "sysdep.h"
 #include "bfd.h"
 #include "aout/aout64.h"
 #include "ns32k.h"
@@ -26,10 +27,11 @@
 /* Do not "beautify" the CONCAT* macro args.  Traditional C will not
    remove whitespace added here, and thus will fail to concatenate
    the tokens.  */
-#define MYNS(OP) CONCAT2 (ns32kaout_,OP)
+#define MYNS(OP) CONCAT2 (ns32k_aout_,OP)
 
-reloc_howto_type * MYNS (bfd_reloc_type_lookup) (bfd * abfd, bfd_reloc_code_real_type);
-bfd_boolean        MYNS (write_object_contents) (bfd *abfd);
+reloc_howto_type * MYNS (bfd_reloc_type_lookup) (bfd *, bfd_reloc_code_real_type);
+reloc_howto_type * MYNS (bfd_reloc_name_lookup) (bfd *, const char *);
+bfd_boolean       MYNS (write_object_contents) (bfd *);
 
 /* Avoid multiple definitions from aoutx if supporting
    standard a.out format(s) as well as this one.  */
@@ -65,10 +67,10 @@ void bfd_ns32k_arch (void);
    sym1: .long foo      # 2's complement not pc relative
 
    self:  movd @self, r0 # pc relative displacement
-          movd foo, r0   # non pc relative displacement
+         movd foo, r0   # non pc relative displacement
 
    self:  movd self, r0  # pc relative immediate
-          movd foo, r0   # non pc relative immediate
+         movd foo, r0   # non pc relative immediate
 
    In addition, for historical reasons the encoding of the relocation types
    in the a.out format relocation entries is such that even the relocation
@@ -133,10 +135,10 @@ reloc_howto_type MY (howto_table)[] =
 
 #define CTOR_TABLE_RELOC_HOWTO(BFD) (MY (howto_table) + 14)
 
-#define RELOC_STD_BITS_NS32K_TYPE_BIG          0x06
-#define RELOC_STD_BITS_NS32K_TYPE_LITTLE       0x60
-#define RELOC_STD_BITS_NS32K_TYPE_SH_BIG       1
-#define RELOC_STD_BITS_NS32K_TYPE_SH_LITTLE    5
+#define RELOC_STD_BITS_NS32K_TYPE_BIG          0x06
+#define RELOC_STD_BITS_NS32K_TYPE_LITTLE       0x60
+#define RELOC_STD_BITS_NS32K_TYPE_SH_BIG       1
+#define RELOC_STD_BITS_NS32K_TYPE_SH_LITTLE    5
 
 static reloc_howto_type *
 MY (reloc_howto) (bfd *abfd ATTRIBUTE_UNUSED,
@@ -212,7 +214,7 @@ MY (bfd_reloc_type_lookup) (bfd *abfd, bfd_reloc_code_real_type code)
 
   BFD_ASSERT (ext == 0);
   if (code == BFD_RELOC_CTOR)
-    switch (bfd_get_arch_info (abfd)->bits_per_address)
+    switch (bfd_arch_bits_per_address (abfd))
       {
       case 32:
        code = BFD_RELOC_32;
@@ -246,6 +248,22 @@ MY (bfd_reloc_type_lookup) (bfd *abfd, bfd_reloc_code_real_type code)
 #undef ENTRY
 }
 
+reloc_howto_type *
+MY (bfd_reloc_name_lookup) (bfd *abfd ATTRIBUTE_UNUSED,
+                           const char *r_name)
+{
+  unsigned int i;
+
+  for (i = 0;
+       i < sizeof (MY (howto_table)) / sizeof (MY (howto_table)[0]);
+       i++)
+    if (MY (howto_table)[i].name != NULL
+       && strcasecmp (MY (howto_table)[i].name, r_name) == 0)
+      return &MY (howto_table)[i];
+
+  return NULL;
+}
+
 static void
 MY_swap_std_reloc_in (bfd *abfd,
                      struct reloc_std_external *bytes,
@@ -274,11 +292,8 @@ MY_swap_std_reloc_out (bfd *abfd,
   int r_index;
   asymbol *sym = *(g->sym_ptr_ptr);
   int r_extern;
-  unsigned int r_addend;
   asection *output_section = sym->section->output_section;
 
-  r_addend = g->addend + (*(g->sym_ptr_ptr))->section->output_section->vma;
-
   /* Name was clobbered by aout_write_syms to be symbol index.  */
 
   /* If this relocation is relative to a symbol then set the
@@ -288,10 +303,10 @@ MY_swap_std_reloc_out (bfd *abfd,
      from the abs section, or as a symbol which has an abs value.
      Check for that here.  */
   if (bfd_is_com_section (output_section)
-      || output_section == &bfd_abs_section
-      || output_section == &bfd_und_section)
+      || bfd_is_abs_section (output_section)
+      || bfd_is_und_section (output_section))
     {
-      if (bfd_abs_section.symbol == sym)
+      if (bfd_abs_section_ptr->symbol == sym)
        {
          /* Whoops, looked like an abs symbol, but is really an offset
             from the abs section.  */
@@ -341,7 +356,6 @@ _bfd_ns32k_relocate_contents (reloc_howto_type *howto,
     case 2:
       return _bfd_relocate_contents (howto, input_bfd, relocation,
                                    location);
-      break;
     default:
       return bfd_reloc_notsupported;
     }