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authorSteve Chamberlain <sac@cygnus>1993-07-13 19:08:25 +0000
committerSteve Chamberlain <sac@cygnus>1993-07-13 19:08:25 +0000
commit46dd06224bedb1b95700732114263ea4d4b01937 (patch)
tree306d731944c3a6278f33a7df78bdbc423fc0ebd8 /bfd/coff-sh.c
parent524895ab981f265b9e99275f0a8a758e2e6bc6a8 (diff)
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* coff-h8500.c (reloc_processing, rtype2howto): New relocation
type R_H8500_HIGH_16. * coff-sh.c (r_imm32): Get the width of the reloc right.
Diffstat (limited to 'bfd/coff-sh.c')
-rw-r--r--bfd/coff-sh.c186
1 files changed, 186 insertions, 0 deletions
diff --git a/bfd/coff-sh.c b/bfd/coff-sh.c
new file mode 100644
index 0000000..37f92ed
--- /dev/null
+++ b/bfd/coff-sh.c
@@ -0,0 +1,186 @@
+/* BFD back-end for Hitachi Super-H COFF binaries.
+ Copyright 1993 Free Software Foundation, Inc.
+ Contributed by Cygnus Support.
+ Written by Steve Chamberlain, <sac@cygnus.com>.
+
+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
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+#include "obstack.h"
+#include "coff/sh.h"
+#include "coff/internal.h"
+#include "libcoff.h"
+#include "seclet.h"
+
+extern bfd_error_vector_type bfd_error_vector;
+
+static reloc_howto_type r_imm32 =
+HOWTO (R_SH_IMM32, 0,2, 32, false, 0, true,
+ true, 0, "r_imm32", false, 0x0, 0xffffffff, false);
+
+
+
+/* Turn a howto into a reloc number */
+
+static int
+coff_SH_select_reloc (howto)
+ reloc_howto_type *howto;
+{
+ return howto->type;
+}
+
+#define SELECT_RELOC(x,howto) x= coff_SH_select_reloc(howto)
+
+
+#define BADMAG(x) SHBADMAG(x)
+#define SH 1 /* Customize coffcode.h */
+
+#define __A_MAGIC_SET__
+
+/* Code to swap in the reloc */
+#define SWAP_IN_RELOC_OFFSET bfd_h_get_32
+#define SWAP_OUT_RELOC_OFFSET bfd_h_put_32
+#define SWAP_OUT_RELOC_EXTRA(abfd, src, dst) \
+ dst->r_stuff[0] = 'S'; \
+ dst->r_stuff[1] = 'C';
+
+/* Code to turn a r_type into a howto ptr, uses the above howto table
+ */
+
+static void
+DEFUN (rtype2howto, (internal, dst),
+ arelent * internal AND
+ struct internal_reloc *dst)
+{
+ switch (dst->r_type)
+ {
+ default:
+ fprintf (stderr, "BAD 0x%x\n", dst->r_type);
+ case R_SH_IMM32:
+ internal->howto = &r_imm32;
+ break;
+ }
+}
+
+#define RTYPE2HOWTO(internal, relocentry) rtype2howto(internal,relocentry)
+
+
+/* Perform any necessaru magic to the addend in a reloc entry */
+
+
+#define CALC_ADDEND(abfd, symbol, ext_reloc, cache_ptr) \
+ cache_ptr->addend = ext_reloc.r_offset;
+
+
+#define RELOC_PROCESSING(relent,reloc,symbols,abfd,section) \
+ reloc_processing(relent, reloc, symbols, abfd, section)
+
+static void
+DEFUN (reloc_processing, (relent, reloc, symbols, abfd, section),
+ arelent * relent AND
+ struct internal_reloc *reloc AND
+ asymbol ** symbols AND
+ bfd * abfd AND
+ asection * section)
+{
+ relent->address = reloc->r_vaddr;
+ rtype2howto (relent, reloc);
+
+ if (reloc->r_symndx > 0)
+ {
+ relent->sym_ptr_ptr = symbols + obj_convert (abfd)[reloc->r_symndx];
+ }
+ else
+ {
+ relent->sym_ptr_ptr = &(bfd_abs_symbol);
+ }
+
+
+ relent->addend = reloc->r_offset;
+ relent->address -= section->vma;
+}
+
+static void
+extra_case (in_abfd, seclet, reloc, data, src_ptr, dst_ptr)
+ bfd *in_abfd;
+ bfd_seclet_type *seclet;
+ arelent *reloc;
+ bfd_byte *data;
+ unsigned int *src_ptr;
+ unsigned int *dst_ptr;
+{
+ switch (reloc->howto->type)
+ {
+ case R_SH_IMM32:
+ {
+ int v = bfd_coff_reloc16_get_value(reloc, seclet);
+ bfd_put_32 (in_abfd, v, data + *dst_ptr);
+ (*dst_ptr) +=4;
+ (*src_ptr)+=4;;
+ }
+ break;
+
+ default:
+ abort ();
+ }
+}
+
+#define coff_reloc16_extra_cases extra_case
+
+#include "coffcode.h"
+
+
+#undef coff_bfd_get_relocated_section_contents
+#undef coff_bfd_relax_section
+#define coff_bfd_get_relocated_section_contents bfd_coff_reloc16_get_relocated_section_contents
+#define coff_bfd_relax_section bfd_coff_reloc16_relax_section
+
+bfd_target shcoff_vec =
+{
+ "coff-sh", /* name */
+ bfd_target_coff_flavour,
+ true, /* data byte order is big */
+ true, /* header byte order is big */
+
+ (HAS_RELOC | EXEC_P | /* object flags */
+ HAS_LINENO | HAS_DEBUG |
+ HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT),
+
+ (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
+ '_', /* leading symbol underscore */
+ '/', /* ar_pad_char */
+ 15, /* ar_max_namelen */
+ 2, /* minimum section alignment */
+_do_getb64, _do_getb_signed_64, _do_putb64,
+ _do_getb32, _do_getb_signed_32, _do_putb32,
+ _do_getb16, _do_getb_signed_16, _do_putb16, /* data */
+_do_getb64, _do_getb_signed_64, _do_putb64,
+ _do_getb32, _do_getb_signed_32, _do_putb32,
+ _do_getb16, _do_getb_signed_16, _do_putb16, /* hdrs */
+
+ {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
+ bfd_generic_archive_p, _bfd_dummy_target},
+ {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
+ bfd_false},
+ {bfd_false, coff_write_object_contents, /* bfd_write_contents */
+ _bfd_write_archive_contents, bfd_false},
+
+ JUMP_TABLE(coff),
+ COFF_SWAP_TABLE,
+};