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Diffstat (limited to 'binutils-2.17/bfd/coff-w65.c')
-rw-r--r--binutils-2.17/bfd/coff-w65.c385
1 files changed, 0 insertions, 385 deletions
diff --git a/binutils-2.17/bfd/coff-w65.c b/binutils-2.17/bfd/coff-w65.c
deleted file mode 100644
index 7a1cfb73..00000000
--- a/binutils-2.17/bfd/coff-w65.c
+++ /dev/null
@@ -1,385 +0,0 @@
-/* BFD back-end for WDC 65816 COFF binaries.
- Copyright 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003, 2004, 2005
- Free Software Foundation, Inc.
- 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
-
-#include "bfd.h"
-#include "sysdep.h"
-#include "libbfd.h"
-#include "bfdlink.h"
-#include "coff/w65.h"
-#include "coff/internal.h"
-#include "libcoff.h"
-
-static int select_reloc PARAMS ((reloc_howto_type *));
-static void rtype2howto PARAMS ((arelent *, struct internal_reloc *));
-static void reloc_processing PARAMS ((arelent *, struct internal_reloc *, asymbol **, bfd *, asection *));
-static int w65_reloc16_estimate PARAMS ((bfd *, asection *, arelent *, unsigned int, struct bfd_link_info *));
-static void w65_reloc16_extra_cases PARAMS ((bfd *,struct bfd_link_info *, struct bfd_link_order *, arelent *, bfd_byte *, unsigned int *, unsigned int *));
-
-#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (1)
-static reloc_howto_type howto_table[] =
- {
- HOWTO (R_W65_ABS8, 0, 0, 8, FALSE, 0, complain_overflow_bitfield, 0, "abs8", TRUE, 0x000000ff, 0x000000ff, FALSE),
- HOWTO (R_W65_ABS16, 1, 0, 16, FALSE, 0, complain_overflow_bitfield, 0, "abs16", TRUE, 0x0000ffff, 0x0000ffff, FALSE),
- HOWTO (R_W65_ABS24, 0, 2, 32, FALSE, 0, complain_overflow_bitfield, 0, "abs24", TRUE, 0x00ffffff, 0x00ffffff, FALSE),
- HOWTO (R_W65_ABS8S8, 0, 0, 8, FALSE, 0, complain_overflow_bitfield, 0, ">abs8", TRUE, 0x000000ff, 0x000000ff, FALSE),
- HOWTO (R_W65_ABS8S16, 0, 0, 8, FALSE, 0, complain_overflow_bitfield, 0, "^abs8", TRUE, 0x000000ff, 0x000000ff, FALSE),
- HOWTO (R_W65_ABS16S8, 1, 0, 16, FALSE, 0, complain_overflow_bitfield, 0, ">abs16", TRUE, 0x0000ffff, 0x0000ffff, FALSE),
- HOWTO (R_W65_ABS16S16,1, 0, 16, FALSE, 0, complain_overflow_bitfield, 0, "^abs16", TRUE, 0x0000ffff, 0x0000ffff, FALSE),
- HOWTO (R_W65_PCR8, 0, 0, 8, FALSE, 0, complain_overflow_bitfield, 0, "pcrel8", TRUE, 0x000000ff, 0x000000ff, TRUE),
- HOWTO (R_W65_PCR16, 1, 0, 16, FALSE, 0, complain_overflow_bitfield, 0, "pcrel16", TRUE, 0x0000ffff, 0x0000ffff, TRUE),
- HOWTO (R_W65_DP, 0, 0, 8, FALSE, 0, complain_overflow_bitfield, 0, "dp", TRUE, 0x000000ff, 0x000000ff, FALSE),
- };
-
-/* Turn a howto into a reloc number. */
-
-#define SELECT_RELOC(x,howto) \
- { x.r_type = select_reloc(howto); }
-
-#define BADMAG(x) (W65BADMAG(x))
-#define W65 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';
-
-static int
-select_reloc (howto)
- reloc_howto_type *howto;
-{
- return howto->type ;
-}
-
-/* Code to turn a r_type into a howto ptr, uses the above howto table. */
-
-static void
-rtype2howto (internal, dst)
- arelent *internal;
- struct internal_reloc *dst;
-{
- internal->howto = howto_table + dst->r_type - 1;
-}
-
-#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 (relent, reloc, symbols, abfd, section)
- arelent * relent;
- struct internal_reloc *reloc;
- asymbol ** symbols;
- bfd * abfd;
- asection * section;
-{
- relent->address = reloc->r_vaddr;
- rtype2howto (relent, reloc);
-
- if (((int) reloc->r_symndx) > 0)
- relent->sym_ptr_ptr = symbols + obj_convert (abfd)[reloc->r_symndx];
- else
- relent->sym_ptr_ptr = (asymbol **)&(bfd_abs_symbol);
-
- relent->addend = reloc->r_offset;
-
- relent->address -= section->vma;
- /* relent->section = 0;*/
-}
-
-static int
-w65_reloc16_estimate (abfd, input_section, reloc, shrink, link_info)
- bfd *abfd;
- asection *input_section;
- arelent *reloc;
- unsigned int shrink;
- struct bfd_link_info *link_info;
-{
- bfd_vma value;
- bfd_vma dot;
- bfd_vma gap;
-
- /* The address of the thing to be relocated will have moved back by
- the size of the shrink - but we don't change reloc->address here,
- since we need it to know where the relocation lives in the source
- uncooked section. */
-
- /* reloc->address -= shrink; conceptual */
-
- bfd_vma address = reloc->address - shrink;
-
- switch (reloc->howto->type)
- {
- case R_MOV16B2:
- case R_JMP2:
- shrink+=2;
- break;
-
- /* Thing is a move one byte. */
- case R_MOV16B1:
- value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
-
- if (value >= 0xff00)
- {
- /* Change the reloc type from 16bit, possible 8 to 8bit
- possible 16. */
- reloc->howto = reloc->howto + 1;
- /* The place to relc moves back by one. */
- /* This will be two bytes smaller in the long run. */
- shrink += 2;
- bfd_perform_slip (abfd, 2, input_section, address);
- }
-
- break;
- /* This is the 24 bit branch which could become an 8 bitter,
- the relocation points to the first byte of the insn, not the
- actual data. */
-
- case R_JMPL1:
- value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
-
- dot = input_section->output_section->vma +
- input_section->output_offset + address;
-
- /* See if the address we're looking at within 127 bytes of where
- we are, if so then we can use a small branch rather than the
- jump we were going to. */
- gap = value - dot;
-
- if (-120 < (long) gap && (long) gap < 120)
- {
- /* Change the reloc type from 24bit, possible 8 to 8bit
- possible 32. */
- reloc->howto = reloc->howto + 1;
- /* This will be two bytes smaller in the long run. */
- shrink += 2;
- bfd_perform_slip (abfd, 2, input_section, address);
- }
- break;
-
- case R_JMP1:
- value = bfd_coff_reloc16_get_value (reloc, link_info, input_section);
-
- dot = input_section->output_section->vma +
- input_section->output_offset + address;
-
- /* See if the address we're looking at within 127 bytes of where
- we are, if so then we can use a small branch rather than the
- jump we were going to. */
- gap = value - (dot - shrink);
-
- if (-120 < (long) gap && (long) gap < 120)
- {
- /* Change the reloc type from 16bit, possible 8 to 8bit
- possible 16. */
- reloc->howto = reloc->howto + 1;
- /* The place to relc moves back by one. */
-
- /* This will be two bytes smaller in the long run. */
- shrink += 2;
- bfd_perform_slip (abfd, 2, input_section, address);
- }
- break;
- }
-
- return shrink;
-}
-
-/* First phase of a relaxing link. */
-
-/* Reloc types
- large small
- R_MOV16B1 R_MOV16B2 mov.b with 16bit or 8 bit address
- R_JMP1 R_JMP2 jmp or pcrel branch
- R_JMPL1 R_JMPL_B8 24jmp or pcrel branch
- R_MOV24B1 R_MOV24B2 24 or 8 bit reloc for mov.b */
-
-static void
-w65_reloc16_extra_cases (abfd, link_info, link_order, reloc, data, src_ptr,
- dst_ptr)
- bfd *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;
-{
- unsigned int src_address = *src_ptr;
- unsigned int dst_address = *dst_ptr;
- asection *input_section = link_order->u.indirect.section;
-
- switch (reloc->howto->type)
- {
- case R_W65_ABS8:
- case R_W65_DP:
- {
- unsigned int gap = bfd_coff_reloc16_get_value (reloc, link_info,
- input_section);
- bfd_put_8 (abfd, gap, data + dst_address);
- dst_address += 1;
- src_address += 1;
- }
- break;
-
- case R_W65_ABS8S8:
- {
- unsigned int gap = bfd_coff_reloc16_get_value (reloc, link_info,
- input_section);
- gap >>= 8;
- bfd_put_8 (abfd, gap, data + dst_address);
- dst_address += 1;
- src_address += 1;
- }
- break;
-
- case R_W65_ABS8S16:
- {
- unsigned int gap = bfd_coff_reloc16_get_value (reloc, link_info,
- input_section);
- gap >>= 16;
- bfd_put_8 (abfd, gap, data + dst_address);
- dst_address += 1;
- src_address += 1;
- }
- break;
-
- case R_W65_ABS16:
- {
- unsigned int gap = bfd_coff_reloc16_get_value (reloc, link_info,
- input_section);
-
- bfd_put_16 (abfd, (bfd_vma) gap, data + dst_address);
- dst_address += 2;
- src_address += 2;
- }
- break;
- case R_W65_ABS16S8:
- {
- unsigned int gap = bfd_coff_reloc16_get_value (reloc, link_info,
- input_section);
- gap >>= 8;
- bfd_put_16 (abfd, (bfd_vma) gap, data + dst_address);
- dst_address += 2;
- src_address += 2;
- }
- break;
- case R_W65_ABS16S16:
- {
- unsigned int gap = bfd_coff_reloc16_get_value (reloc, link_info,
- input_section);
- gap >>= 16;
- bfd_put_16 (abfd, (bfd_vma) gap, data + dst_address);
- dst_address += 2;
- src_address += 2;
- }
- break;
-
- case R_W65_ABS24:
- {
- unsigned int gap = bfd_coff_reloc16_get_value (reloc, link_info,
- input_section);
- bfd_put_16 (abfd, (bfd_vma) gap, data + dst_address);
- bfd_put_8 (abfd, gap >> 16, data+dst_address + 2);
- dst_address += 3;
- src_address += 3;
- }
- break;
-
- case R_W65_PCR8:
- {
- int gap = bfd_coff_reloc16_get_value (reloc, link_info,
- input_section);
- bfd_vma dot = (dst_address
- + input_section->output_offset
- + input_section->output_section->vma);
-
- gap -= dot + 1;
- if (gap < -128 || gap > 127)
- {
- 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 (abfd, gap, data + dst_address);
- dst_address += 1;
- src_address += 1;
- }
- break;
-
- case R_W65_PCR16:
- {
- bfd_vma gap = bfd_coff_reloc16_get_value (reloc, link_info,
- input_section);
- bfd_vma dot = (dst_address
- + input_section->output_offset
- + input_section->output_section->vma);
-
- /* This wraps within the page, so ignore the relativeness, look at the
- high part. */
- if ((gap & 0xf0000) != (dot & 0xf0000))
- {
- 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 ();
- }
-
- gap -= dot + 2;
- bfd_put_16 (abfd, gap, data + dst_address);
- dst_address += 2;
- src_address += 2;
- }
- break;
- default:
- printf (_("ignoring reloc %s\n"), reloc->howto->name);
- break;
-
- }
- *src_ptr = src_address;
- *dst_ptr = dst_address;
-}
-
-#define coff_reloc16_extra_cases w65_reloc16_extra_cases
-#define coff_reloc16_estimate w65_reloc16_estimate
-
-#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_LITTLE_COFF_TARGET_VEC (w65_vec, "coff-w65", BFD_IS_RELAXABLE, 0, '_', NULL, COFF_SWAP_TABLE)
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-26 20:13:25 +0000