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cell-binutils  2.17cvs20070401
Defines | Functions | Variables
coff-z8k.c File Reference
#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
#include "bfdlink.h"
#include "coff/z8k.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   (1)
#define BADMAG(x)   Z8KBADMAG(x)
#define Z8K   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_z8k_reloc_type_lookup
#define coff_bfd_reloc_name_lookup   coff_z8k_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_z8k_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, bfd_reloc_code_real_type code)
static reloc_howto_type * coff_z8k_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_imm4l
static reloc_howto_type r_da
static reloc_howto_type r_imm8
static reloc_howto_type r_rel16
static reloc_howto_type r_jr
static reloc_howto_type r_disp7
static reloc_howto_type r_callr

Define Documentation

#define __A_MAGIC_SET__

Definition at line 71 of file coff-z8k.c.

#define BADMAG (   x)    Z8KBADMAG(x)

Definition at line 69 of file coff-z8k.c.

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

Definition at line 164 of file coff-z8k.c.

Definition at line 377 of file coff-z8k.c.

Definition at line 381 of file coff-z8k.c.

Definition at line 372 of file coff-z8k.c.

Definition at line 371 of file coff-z8k.c.

Definition at line 31 of file coff-z8k.c.

Definition at line 370 of file coff-z8k.c.

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

Definition at line 167 of file coff-z8k.c.

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

Definition at line 117 of file coff-z8k.c.

Definition at line 74 of file coff-z8k.c.

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

Definition at line 76 of file coff-z8k.c.

Definition at line 75 of file coff-z8k.c.

#define Z8K   1 /* Customize coffcode.h. */

Definition at line 70 of file coff-z8k.c.


Function Documentation

static reloc_howto_type* coff_z8k_reloc_name_lookup ( bfd *abfd  ATTRIBUTE_UNUSED,
const char *  r_name 
) [static]

Definition at line 139 of file coff-z8k.c.

{
  if (strcasecmp (r_imm8.name, r_name) == 0)
    return &r_imm8;
  if (strcasecmp (r_da.name, r_name) == 0)
    return &r_da;
  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_rel16.name, r_name) == 0)
    return &r_rel16;
  if (strcasecmp (r_disp7.name, r_name) == 0)
    return &r_disp7;
  if (strcasecmp (r_callr.name, r_name) == 0)
    return &r_callr;
  if (strcasecmp (r_imm4l.name, r_name) == 0)
    return &r_imm4l;

  return NULL;
}

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static reloc_howto_type* coff_z8k_reloc_type_lookup ( bfd *abfd  ATTRIBUTE_UNUSED,
bfd_reloc_code_real_type  code 
) [static]

Definition at line 120 of file coff-z8k.c.

{
  switch (code)
    {
    case BFD_RELOC_8:       return & r_imm8;
    case BFD_RELOC_16:             return & r_da;
    case BFD_RELOC_32:             return & r_imm32;
    case BFD_RELOC_8_PCREL:     return & r_jr;
    case BFD_RELOC_16_PCREL:    return & r_rel16;
    case BFD_RELOC_Z8K_DISP7:   return & r_disp7;
    case BFD_RELOC_Z8K_CALLR:   return & r_callr;
    case BFD_RELOC_Z8K_IMM4L:   return & r_imm4l;
    default:                BFD_FAIL ();
      return 0;
    }
}
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 190 of file coff-z8k.c.

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

  switch (reloc->howto->type)
    {
    case R_IMM8:
      bfd_put_8 (in_abfd,
               bfd_coff_reloc16_get_value (reloc, link_info, input_section),
               data + *dst_ptr);
      (*dst_ptr) += 1;
      (*src_ptr) += 1;
      break;

    case R_IMM32:
      /* If no flags are set, assume immediate value.  */
      if (! (*reloc->sym_ptr_ptr)->section->flags)
       {
         bfd_put_32 (in_abfd,
                    bfd_coff_reloc16_get_value (reloc, link_info,
                                            input_section),
                    data + *dst_ptr);
       }
      else
       {
         bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info,
                                              input_section);
         /* Addresses are 23 bit, and the layout of those in a 32-bit
            value is as follows:
              1AAAAAAA xxxxxxxx AAAAAAAA AAAAAAAA
            (A - address bits,  x - ignore).  */
         dst = (dst & 0xffff) | ((dst & 0xff0000) << 8) | 0x80000000;
         bfd_put_32 (in_abfd, dst, data + *dst_ptr);
       }
      (*dst_ptr) += 4;
      (*src_ptr) += 4;
      break;

    case R_IMM4L:
      bfd_put_8 (in_abfd,
               ((bfd_get_8 (in_abfd, data + *dst_ptr) & 0xf0)
                | (0x0f
                   & bfd_coff_reloc16_get_value (reloc, link_info,
                                             input_section))),
               data + *dst_ptr);
      (*dst_ptr) += 1;
      (*src_ptr) += 1;
      break;

    case R_IMM16:
      bfd_put_16 (in_abfd,
                bfd_coff_reloc16_get_value (reloc, link_info, input_section),
                data + *dst_ptr);
      (*dst_ptr) += 2;
      (*src_ptr) += 2;
      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 we're in the odd byte of the
                                     word and the pc's been incremented.  */

       if (gap & 1)
         abort ();
       gap /= 2;
       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_DISP7:
      {
       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 we're in the odd byte of the
                                     word and the pc's been incremented.  */

       if (gap & 1)
         abort ();
       gap /= 2;

       if (gap > 0 || 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 (in_abfd,
                   (bfd_get_8 ( in_abfd, data + *dst_ptr) & 0x80) + (-gap & 0x7f),
                   data + *dst_ptr);
       (*dst_ptr)++;
       (*src_ptr)++;
       break;
      }

    case R_CALLR:
      {
       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 - 2;

       if (gap & 1)
         abort ();
       if (gap > 4096 || gap < -4095)
         {
           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 /= 2;
       bfd_put_16 (in_abfd,
                    (bfd_get_16 ( in_abfd, data + *dst_ptr) & 0xf000) | (-gap & 0x0fff),
                    data + *dst_ptr);
       (*dst_ptr) += 2;
       (*src_ptr) += 2;
       break;
      }

    case R_REL16:
      {
       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 - 2;

       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 ();
    }
}

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

Definition at line 171 of file coff-z8k.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 83 of file coff-z8k.c.

{
  switch (dst->r_type)
    {
    default:
      abort ();
      break;
    case R_IMM8:
      internal->howto = &r_imm8;
      break;
     case R_IMM16:
      internal->howto = &r_da;
      break;
    case R_JR:
      internal->howto = &r_jr;
      break;
    case R_DISP7:
      internal->howto = &r_disp7;
      break;
    case R_CALLR:
      internal->howto = &r_callr;
      break;
    case R_REL16:
      internal->howto = &r_rel16;
      break;
    case R_IMM32:
      internal->howto = &r_imm32;
      break;
    case R_IMM4L:
      internal->howto = &r_imm4l;
      break;
    }
}

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Variable Documentation

reloc_howto_type r_callr [static]
Initial value:
HOWTO (R_CALLR, 1, 1, 12, TRUE, 0, complain_overflow_signed, 0,
       "r_callr", TRUE, 0xfff, 0xfff, TRUE)

Definition at line 65 of file coff-z8k.c.

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

Definition at line 42 of file coff-z8k.c.

reloc_howto_type r_disp7 [static]
Initial value:
HOWTO (R_DISP7, 0, 0, 7, TRUE, 0, complain_overflow_bitfield, 0,
       "r_disp7", TRUE, 0x7f, 0x7f, TRUE)

Definition at line 61 of file coff-z8k.c.

reloc_howto_type r_imm32 [static]
Initial value:
HOWTO (R_IMM32, 0, 2, 32, FALSE, 0,
       complain_overflow_bitfield, 0, "r_imm32", TRUE, 0xffffffff,
       0xffffffff, FALSE)

Definition at line 33 of file coff-z8k.c.

reloc_howto_type r_imm4l [static]
Initial value:
HOWTO (R_IMM4L, 0, 0, 4, FALSE, 0,
       complain_overflow_bitfield, 0, "r_imm4l", TRUE, 0xf, 0xf, FALSE)

Definition at line 38 of file coff-z8k.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-z8k.c.

reloc_howto_type r_jr [static]
Initial value:
HOWTO (R_JR, 1, 0, 8, TRUE, 0, complain_overflow_signed, 0,
       "r_jr", TRUE, 0xff, 0xff, TRUE)

Definition at line 57 of file coff-z8k.c.

reloc_howto_type r_rel16 [static]
Initial value:
HOWTO (R_REL16, 0, 1, 16, FALSE, 0,
       complain_overflow_bitfield, 0, "r_rel16", TRUE, 0x0000ffff, 0x0000ffff,
       TRUE)

Definition at line 52 of file coff-z8k.c.