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cell-binutils  2.17cvs20070401
Defines | Functions | Variables
coff-z80.c File Reference
#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
#include "bfdlink.h"
#include "coff/z80.h"
#include "coff/internal.h"
#include "libcoff.h"
#include "coffcode.h"

Go to the source code of this file.

Defines

#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER   0
#define BADMAG(x)   Z80BADMAG(x)
#define Z80   1 /* Customize coffcode.h. */
#define __A_MAGIC_SET__
#define SWAP_IN_RELOC_OFFSET   H_GET_32
#define SWAP_OUT_RELOC_OFFSET   H_PUT_32
#define SWAP_OUT_RELOC_EXTRA(abfd, src, dst)
#define RTYPE2HOWTO(internal, relocentry)   rtype2howto (internal, relocentry)
#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)
#define coff_reloc16_extra_cases   extra_case
#define coff_bfd_reloc_type_lookup   coff_z80_reloc_type_lookup
#define coff_bfd_reloc_name_lookup   coff_z80_reloc_name_lookup
#define coff_bfd_get_relocated_section_contents   bfd_coff_reloc16_get_relocated_section_contents
#define coff_bfd_relax_section   bfd_coff_reloc16_relax_section

Functions

static void rtype2howto (arelent *internal, struct internal_reloc *dst)
static reloc_howto_type * coff_z80_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, bfd_reloc_code_real_type code)
static reloc_howto_type * coff_z80_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name)
static void reloc_processing (arelent *relent, struct internal_reloc *reloc, asymbol **symbols, bfd *abfd, asection *section)
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)

Variables

static reloc_howto_type r_imm32
static reloc_howto_type r_imm24
static reloc_howto_type r_imm16
static reloc_howto_type r_imm8
static reloc_howto_type r_jr
static reloc_howto_type r_off8

Define Documentation

#define __A_MAGIC_SET__

Definition at line 65 of file coff-z80.c.

#define BADMAG (   x)    Z80BADMAG(x)

Definition at line 63 of file coff-z80.c.

#define CALC_ADDEND (   abfd,
  symbol,
  ext_reloc,
  cache_ptr 
)    cache_ptr->addend = ext_reloc.r_offset;

Definition at line 148 of file coff-z80.c.

Definition at line 276 of file coff-z80.c.

Definition at line 280 of file coff-z80.c.

Definition at line 271 of file coff-z80.c.

Definition at line 270 of file coff-z80.c.

Definition at line 30 of file coff-z80.c.

Definition at line 269 of file coff-z80.c.

#define RELOC_PROCESSING (   relent,
  reloc,
  symbols,
  abfd,
  section 
)    reloc_processing(relent, reloc, symbols, abfd, section)

Definition at line 151 of file coff-z80.c.

#define RTYPE2HOWTO (   internal,
  relocentry 
)    rtype2howto (internal, relocentry)

Definition at line 107 of file coff-z80.c.

Definition at line 69 of file coff-z80.c.

#define SWAP_OUT_RELOC_EXTRA (   abfd,
  src,
  dst 
)
Value:
dst->r_stuff[0] = 'S'; \
  dst->r_stuff[1] = 'C';

Definition at line 72 of file coff-z80.c.

Definition at line 70 of file coff-z80.c.

#define Z80   1 /* Customize coffcode.h. */

Definition at line 64 of file coff-z80.c.


Function Documentation

static reloc_howto_type* coff_z80_reloc_name_lookup ( bfd *abfd  ATTRIBUTE_UNUSED,
const char *  r_name 
) [static]

Definition at line 127 of file coff-z80.c.

{
  if (strcasecmp (r_imm8.name, r_name) == 0)
    return &r_imm8;
  if (strcasecmp (r_imm16.name, r_name) == 0)
    return &r_imm16;
  if (strcasecmp (r_imm24.name, r_name) == 0)
    return &r_imm24;
  if (strcasecmp (r_imm32.name, r_name) == 0)
    return &r_imm32;
  if (strcasecmp (r_jr.name, r_name) == 0)
    return &r_jr;
  if (strcasecmp (r_off8.name, r_name) == 0)
    return &r_off8;

  return NULL;
}

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static reloc_howto_type* coff_z80_reloc_type_lookup ( bfd *abfd  ATTRIBUTE_UNUSED,
bfd_reloc_code_real_type  code 
) [static]

Definition at line 110 of file coff-z80.c.

{
  switch (code)
    {
    case BFD_RELOC_8:              return & r_imm8;
    case BFD_RELOC_16:             return & r_imm16;
    case BFD_RELOC_24:             return & r_imm24;
    case BFD_RELOC_32:             return & r_imm32;
    case BFD_RELOC_8_PCREL: return & r_jr;
    case BFD_RELOC_Z80_DISP8:      return & r_off8;
    default:                BFD_FAIL ();
      return NULL;
    }
}
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 
) [static]

Definition at line 174 of file coff-z80.c.

{
  asection * input_section = link_order->u.indirect.section;
  int val;

  switch (reloc->howto->type)
    {
    case R_OFF8:
       val = bfd_coff_reloc16_get_value (reloc, link_info,
                                      input_section);
       if (val>127 || val<-128) /* Test for overflow.  */
         {
           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, val, data + *dst_ptr);
       (*dst_ptr) += 1;
       (*src_ptr) += 1;
      break;

    case R_IMM8:
      val = bfd_get_8 ( in_abfd, data+*src_ptr)
       + bfd_coff_reloc16_get_value (reloc, link_info, input_section);
      bfd_put_8 (in_abfd, val, data + *dst_ptr);
      (*dst_ptr) += 1;
      (*src_ptr) += 1;
      break;

    case R_IMM16:
      val = bfd_get_16 ( in_abfd, data+*src_ptr)
       + bfd_coff_reloc16_get_value (reloc, link_info, input_section);
      bfd_put_16 (in_abfd, val, data + *dst_ptr);
      (*dst_ptr) += 2;
      (*src_ptr) += 2;
      break;

    case R_IMM24:
      val = bfd_get_16 ( in_abfd, data+*src_ptr)
       + (bfd_get_8 ( in_abfd, data+*src_ptr+2) << 16)
       + bfd_coff_reloc16_get_value (reloc, link_info, input_section);
      bfd_put_16 (in_abfd, val, data + *dst_ptr);
      bfd_put_8 (in_abfd, val >> 16, data + *dst_ptr+2);
      (*dst_ptr) += 3;
      (*src_ptr) += 3;
      break;

    case R_IMM32:
      val = bfd_get_32 ( in_abfd, data+*src_ptr)
       + bfd_coff_reloc16_get_value (reloc, link_info, input_section);
      bfd_put_32 (in_abfd, val, data + *dst_ptr);
      (*dst_ptr) += 4;
      (*src_ptr) += 4;
      break;

    case R_JR:
      {
       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 the offset is relative
                                 to the value of PC after reading
                                 the offset.  */

       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;
      }

    default:
      abort ();
    }
}

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static void reloc_processing ( arelent relent,
struct internal_reloc reloc,
asymbol **  symbols,
bfd abfd,
asection section 
) [static]

Definition at line 155 of file coff-z80.c.

{
  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;
}

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static void rtype2howto ( arelent internal,
struct internal_reloc dst 
) [static]

Definition at line 79 of file coff-z80.c.

{
  switch (dst->r_type)
    {
    default:
      abort ();
      break;
    case R_IMM8:
      internal->howto = &r_imm8;
      break;
    case R_IMM16:
      internal->howto = &r_imm16;
      break;
    case R_IMM24:
      internal->howto = &r_imm24;
      break;
    case R_IMM32:
      internal->howto = &r_imm32;
      break;
    case R_JR:
      internal->howto = &r_jr;
      break;
    case R_OFF8:
      internal->howto = &r_off8;
      break;
    }
}

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Variable Documentation

reloc_howto_type r_imm16 [static]
Initial value:
HOWTO (R_IMM16, 0, 1, 16, FALSE, 0,
       complain_overflow_dont, 0, "r_imm16", TRUE, 0x0000ffff, 0x0000ffff,
       FALSE)

Definition at line 42 of file coff-z80.c.

reloc_howto_type r_imm24 [static]
Initial value:
HOWTO (R_IMM24, 0, 1, 24, FALSE, 0,
       complain_overflow_dont, 0, "r_imm24", TRUE, 0x00ffffff, 0x00ffffff,
       FALSE)

Definition at line 37 of file coff-z80.c.

reloc_howto_type r_imm32 [static]
Initial value:
HOWTO (R_IMM32, 0, 1, 32, FALSE, 0,
       complain_overflow_dont, 0, "r_imm32", TRUE, 0xffffffff, 0xffffffff,
       FALSE)

Definition at line 32 of file coff-z80.c.

reloc_howto_type r_imm8 [static]
Initial value:
HOWTO (R_IMM8, 0, 0, 8, FALSE, 0,
       complain_overflow_bitfield, 0, "r_imm8", TRUE, 0x000000ff, 0x000000ff,
       FALSE)

Definition at line 47 of file coff-z80.c.

reloc_howto_type r_jr [static]
Initial value:
HOWTO (R_JR, 0, 0, 8, TRUE, 0, 
       complain_overflow_signed, 0, "r_jr", FALSE, 0, 0xFF,
       FALSE)

Definition at line 52 of file coff-z80.c.

reloc_howto_type r_off8 [static]
Initial value:
HOWTO (R_OFF8, 0, 0, 8, FALSE, 0, 
       complain_overflow_signed, 0,"r_off8", FALSE, 0, 0xff,
       FALSE)

Definition at line 57 of file coff-z80.c.