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Diffstat (limited to 'binutils-2.25/bfd/coff-h8500.c')
-rw-r--r--binutils-2.25/bfd/coff-h8500.c305
1 files changed, 305 insertions, 0 deletions
diff --git a/binutils-2.25/bfd/coff-h8500.c b/binutils-2.25/bfd/coff-h8500.c
new file mode 100644
index 00000000..9b645999
--- /dev/null
+++ b/binutils-2.25/bfd/coff-h8500.c
@@ -0,0 +1,305 @@
+/* BFD back-end for Renesas H8/500 COFF binaries.
+ Copyright 1993, 1994, 1995, 1997, 1999, 2000, 2001, 2002, 2003, 2004,
+ 2005, 2007, 2008, 2012 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 3 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., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
+
+#include "sysdep.h"
+#include "bfd.h"
+#include "libbfd.h"
+#include "bfdlink.h"
+#include "coff/h8500.h"
+#include "coff/internal.h"
+#include "libcoff.h"
+
+
+#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (1)
+
+static reloc_howto_type r_imm8 =
+HOWTO (R_H8500_IMM8, 0, 1, 8, FALSE, 0,
+ complain_overflow_bitfield, 0, "r_imm8", TRUE, 0x000000ff, 0x000000ff, FALSE);
+
+static reloc_howto_type r_imm16 =
+HOWTO (R_H8500_IMM16, 0, 1, 16, FALSE, 0,
+ complain_overflow_bitfield, 0, "r_imm16", TRUE, 0x0000ffff, 0x0000ffff, FALSE);
+
+static reloc_howto_type r_imm24 =
+HOWTO (R_H8500_IMM24, 0, 1, 24, FALSE, 0,
+ complain_overflow_bitfield, 0, "r_imm24", TRUE, 0x00ffffff, 0x00ffffff, FALSE);
+
+static reloc_howto_type r_imm32 =
+HOWTO (R_H8500_IMM32, 0, 1, 32, FALSE, 0,
+ complain_overflow_bitfield, 0, "r_imm32", TRUE, 0xffffffff, 0xffffffff, FALSE);
+
+static reloc_howto_type r_high8 =
+HOWTO (R_H8500_HIGH8, 0, 1, 8, FALSE, 0,
+ complain_overflow_dont, 0, "r_high8", TRUE, 0x000000ff, 0x000000ff, FALSE);
+
+static reloc_howto_type r_low16 =
+HOWTO (R_H8500_LOW16, 0, 1, 16, FALSE, 0,
+ complain_overflow_dont, 0, "r_low16", TRUE, 0x0000ffff, 0x0000ffff, FALSE);
+
+static reloc_howto_type r_pcrel8 =
+HOWTO (R_H8500_PCREL8, 0, 1, 8, TRUE, 0, complain_overflow_signed, 0, "r_pcrel8", TRUE, 0, 0, TRUE);
+
+static reloc_howto_type r_pcrel16 =
+HOWTO (R_H8500_PCREL16, 0, 1, 16, TRUE, 0, complain_overflow_signed, 0, "r_pcrel16", TRUE, 0, 0, TRUE);
+
+static reloc_howto_type r_high16 =
+HOWTO (R_H8500_HIGH16, 0, 1, 8, FALSE, 0,
+ complain_overflow_dont, 0, "r_high16", TRUE, 0x000ffff, 0x0000ffff, FALSE);
+
+/* Turn a howto into a reloc number. */
+
+static int
+coff_h8500_select_reloc (reloc_howto_type *howto)
+{
+ return howto->type;
+}
+
+#define SELECT_RELOC(x,howto) x.r_type = coff_h8500_select_reloc(howto)
+
+#define BADMAG(x) H8500BADMAG(x)
+#define H8500 1 /* Customize coffcode.h */
+
+#define __A_MAGIC_SET__
+
+/* Code to swap in the reloc. */
+#define SWAP_IN_RELOC_OFFSET H_GET_32
+#define SWAP_OUT_RELOC_OFFSET 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
+rtype2howto (arelent * internal, struct internal_reloc *dst)
+{
+ switch (dst->r_type)
+ {
+ default:
+ abort ();
+ break;
+ case R_H8500_IMM8:
+ internal->howto = &r_imm8;
+ break;
+ case R_H8500_IMM16:
+ internal->howto = &r_imm16;
+ break;
+ case R_H8500_IMM24:
+ internal->howto = &r_imm24;
+ break;
+ case R_H8500_IMM32:
+ internal->howto = &r_imm32;
+ break;
+ case R_H8500_PCREL8:
+ internal->howto = &r_pcrel8;
+ break;
+ case R_H8500_PCREL16:
+ internal->howto = &r_pcrel16;
+ break;
+ case R_H8500_HIGH8:
+ internal->howto = &r_high8;
+ break;
+ case R_H8500_HIGH16:
+ internal->howto = &r_high16;
+ break;
+ case R_H8500_LOW16:
+ internal->howto = &r_low16;
+ break;
+ }
+}
+
+#define RTYPE2HOWTO(internal, relocentry) rtype2howto(internal,relocentry)
+
+/* Perform any necessary 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
+reloc_processing (arelent * relent,
+ struct internal_reloc *reloc,
+ asymbol ** symbols,
+ bfd * abfd,
+ 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_section_ptr->symbol_ptr_ptr;
+
+ relent->addend = reloc->r_offset;
+ relent->address -= section->vma;
+}
+
+static void
+extra_case (bfd *in_abfd,
+ struct bfd_link_info *link_info,
+ struct bfd_link_order *link_order,
+ arelent *reloc,
+ bfd_byte *data,
+ unsigned int *src_ptr,
+ unsigned int *dst_ptr)
+{
+ bfd_byte *d = data+*dst_ptr;
+ asection *input_section = link_order->u.indirect.section;
+
+ switch (reloc->howto->type)
+ {
+ case R_H8500_IMM8:
+ bfd_put_8 (in_abfd,
+ bfd_coff_reloc16_get_value (reloc, link_info, input_section),
+ d);
+ (*dst_ptr) += 1;
+ (*src_ptr) += 1;
+ break;
+
+ case R_H8500_HIGH8:
+ bfd_put_8 (in_abfd,
+ (bfd_coff_reloc16_get_value (reloc, link_info, input_section)
+ >> 16),
+ d);
+ (*dst_ptr) += 1;
+ (*src_ptr) += 1;
+ break;
+
+ case R_H8500_IMM16:
+ bfd_put_16 (in_abfd,
+ bfd_coff_reloc16_get_value (reloc, link_info, input_section),
+ d);
+ (*dst_ptr) += 2;
+ (*src_ptr) += 2;
+ break;
+
+ case R_H8500_LOW16:
+ bfd_put_16 (in_abfd,
+ bfd_coff_reloc16_get_value (reloc, link_info, input_section),
+ d);
+
+ (*dst_ptr) += 2;
+ (*src_ptr) += 2;
+ break;
+
+ case R_H8500_HIGH16:
+ bfd_put_16 (in_abfd,
+ (bfd_coff_reloc16_get_value (reloc, link_info, input_section)
+ >> 16),
+ d);
+
+ (*dst_ptr) += 2;
+ (*src_ptr) += 2;
+ break;
+
+ case R_H8500_IMM24:
+ {
+ int v = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
+ int o = bfd_get_32 (in_abfd, data+ *dst_ptr -1);
+ v = (v & 0x00ffffff) | (o & 0xff00000);
+ bfd_put_32 (in_abfd, (bfd_vma) v, data + *dst_ptr -1);
+ (*dst_ptr) += 3;
+ (*src_ptr) += 3;
+ }
+ break;
+ case R_H8500_IMM32:
+ {
+ int v = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
+ bfd_put_32 (in_abfd, (bfd_vma) v, data + *dst_ptr);
+ (*dst_ptr) += 4;
+ (*src_ptr) += 4;
+ }
+ break;
+
+ case R_H8500_PCREL8:
+ {
+ bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info,
+ input_section);
+ bfd_vma dot = (*dst_ptr
+ + input_section->output_offset
+ + input_section->output_section->vma);
+ int gap = dst - dot - 1; /* -1 since were in the odd byte of the
+ word and the pc's been incremented. */
+
+ if (gap > 128 || gap < -128)
+ {
+ if (! ((*link_info->callbacks->reloc_overflow)
+ (link_info, NULL,
+ bfd_asymbol_name (*reloc->sym_ptr_ptr),
+ reloc->howto->name, reloc->addend, input_section->owner,
+ input_section, reloc->address)))
+ abort ();
+ }
+ bfd_put_8 (in_abfd, gap, data + *dst_ptr);
+ (*dst_ptr)++;
+ (*src_ptr)++;
+ break;
+ }
+ case R_H8500_PCREL16:
+ {
+ bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info,
+ input_section);
+ bfd_vma dot = (*dst_ptr
+ + input_section->output_offset
+ + input_section->output_section->vma);
+ int gap = dst - dot - 1; /* -1 since were in the odd byte of the
+ word and the pc's been incremented. */
+
+ if (gap > 32767 || gap < -32768)
+ {
+ if (! ((*link_info->callbacks->reloc_overflow)
+ (link_info, NULL,
+ bfd_asymbol_name (*reloc->sym_ptr_ptr),
+ reloc->howto->name, reloc->addend, input_section->owner,
+ input_section, reloc->address)))
+ abort ();
+ }
+ bfd_put_16 (in_abfd, (bfd_vma) gap, data + *dst_ptr);
+ (*dst_ptr) += 2;
+ (*src_ptr) += 2;
+ break;
+ }
+
+ default:
+ abort ();
+ }
+}
+
+#define coff_reloc16_extra_cases extra_case
+
+#ifndef bfd_pe_print_pdata
+#define bfd_pe_print_pdata NULL
+#endif
+
+#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
+
+CREATE_BIG_COFF_TARGET_VEC (h8500coff_vec, "coff-h8500", 0, 0, '_', NULL, COFF_SWAP_TABLE)
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-26 11:47:14 +0000