/* BFD back-end for WDC 65816 COFF binaries.
- Copyright 1995, 96, 1997 Free Software Foundation, Inc.
+ Copyright 1995, 1996, 1997, 1999, 2000, 2001 Free Software Foundation, Inc.
Written by Steve Chamberlain, <sac@cygnus.com>.
This file is part of BFD, the Binary File Descriptor library.
#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 */
+ {
+ 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 __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_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';
return howto->type ;
}
-/* Code to turn a r_type into a howto ptr, uses the above howto table
- */
+/* 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;
+ 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 */
+/* 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;
rtype2howto (relent, reloc);
if (((int) reloc->r_symndx) > 0)
- {
- relent->sym_ptr_ptr = symbols + obj_convert (abfd)[reloc->r_symndx];
- }
+ relent->sym_ptr_ptr = symbols + obj_convert (abfd)[reloc->r_symndx];
else
- {
- relent->sym_ptr_ptr = (asymbol **)&(bfd_abs_symbol);
- }
+ relent->sym_ptr_ptr = (asymbol **)&(bfd_abs_symbol);
relent->addend = reloc->r_offset;
}
static int
-h8300_reloc16_estimate(abfd, input_section, reloc, shrink, link_info)
+w65_reloc16_estimate (abfd, input_section, reloc, shrink, link_info)
bfd *abfd;
asection *input_section;
arelent *reloc;
/* 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 */
+ uncooked section. */
/* reloc->address -= shrink; conceptual */
shrink+=2;
break;
- /* Thing is a move one byte */
+ /* Thing is a move one byte. */
case R_MOV16B1:
- value = bfd_coff_reloc16_get_value(reloc, link_info, input_section);
+ 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 */
+ 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);
+ /* 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 */
+ 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);
+ 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 */
+ jump we were going to. */
+ gap = value - dot;
- gap = value - dot ;
-
- if (-120 < (long)gap && (long)gap < 120 )
+ if (-120 < (long) gap && (long) gap < 120)
{
-
/* Change the reloc type from 24bit, possible 8 to 8bit
- possible 32 */
+ 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);
+ /* 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);
+ 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 */
-
+ jump we were going to. */
gap = value - (dot - shrink);
- if (-120 < (long)gap && (long)gap < 120 )
+ if (-120 < (long) gap && (long) gap < 120)
{
-
/* Change the reloc type from 16bit, possible 8 to 8bit
- possible 16 */
+ possible 16. */
reloc->howto = reloc->howto + 1;
- /* The place to relc moves back by one */
+ /* 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);
+ /* 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 */
+/* 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
-
-*/
+ R_MOV24B1 R_MOV24B2 24 or 8 bit reloc for mov.b */
static void
-h8300_reloc16_extra_cases (abfd, link_info, link_order, reloc, data, src_ptr,
+w65_reloc16_extra_cases (abfd, link_info, link_order, reloc, data, src_ptr,
dst_ptr)
bfd *abfd;
struct bfd_link_info *link_info;
{
unsigned int gap = bfd_coff_reloc16_get_value (reloc, link_info,
input_section);
- gap >>=16;
+ gap >>= 16;
bfd_put_8 (abfd, gap, data + dst_address);
dst_address += 1;
src_address += 1;
unsigned int gap = bfd_coff_reloc16_get_value (reloc, link_info,
input_section);
- bfd_put_16 (abfd, gap, data + dst_address);
+ bfd_put_16 (abfd, (bfd_vma) gap, data + dst_address);
dst_address += 2;
src_address += 2;
}
unsigned int gap = bfd_coff_reloc16_get_value (reloc, link_info,
input_section);
gap >>= 8;
- bfd_put_16 (abfd, gap, data + dst_address);
+ bfd_put_16 (abfd, (bfd_vma) gap, data + dst_address);
dst_address += 2;
src_address += 2;
}
unsigned int gap = bfd_coff_reloc16_get_value (reloc, link_info,
input_section);
gap >>= 16;
- bfd_put_16 (abfd, gap, data + dst_address);
+ bfd_put_16 (abfd, (bfd_vma) gap, data + dst_address);
dst_address += 2;
src_address += 2;
}
{
unsigned int gap = bfd_coff_reloc16_get_value (reloc, link_info,
input_section);
- bfd_put_16 (abfd, gap, data + dst_address);
- bfd_put_8 (abfd, gap>>16, data+dst_address+2);
+ 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;
}
+ link_order->u.indirect.section->output_section->vma;
gap -= dot + 1;
- if (gap < -128 || gap > 127) {
- if (! ((*link_info->callbacks->reloc_overflow)
- (link_info, bfd_asymbol_name (*reloc->sym_ptr_ptr),
- reloc->howto->name, reloc->addend, input_section->owner,
- input_section, reloc->address)))
- abort ();
- }
+ if (gap < -128 || gap > 127)
+ {
+ if (! ((*link_info->callbacks->reloc_overflow)
+ (link_info, 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;
+ link_order->u.indirect.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, bfd_asymbol_name (*reloc->sym_ptr_ptr),
- reloc->howto->name, reloc->addend, input_section->owner,
- input_section, reloc->address)))
- abort ();
- }
+ high part. */
+ if ((gap & 0xf0000) != (dot & 0xf0000))
+ {
+ if (! ((*link_info->callbacks->reloc_overflow)
+ (link_info, 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);
}
*src_ptr = src_address;
*dst_ptr = dst_address;
-
}
-#define coff_reloc16_extra_cases h8300_reloc16_extra_cases
-#define coff_reloc16_estimate h8300_reloc16_estimate
+#define coff_reloc16_extra_cases w65_reloc16_extra_cases
+#define coff_reloc16_estimate w65_reloc16_estimate
#include "coffcode.h"
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