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cell-binutils  2.17cvs20070401
Classes | Defines | Functions | Variables
write.c File Reference
#include "as.h"
#include "subsegs.h"
#include "obstack.h"
#include "output-file.h"
#include "dwarf2dbg.h"
#include "libbfd.h"

Go to the source code of this file.

Classes

struct  relax_seg_info

Defines

#define TC_ADJUST_RELOC_COUNT(FIX, COUNT)
#define TC_FORCE_RELOCATION(FIX)   (generic_force_reloc (FIX))
#define TC_FORCE_RELOCATION_ABS(FIX)   (TC_FORCE_RELOCATION (FIX))
#define TC_FORCE_RELOCATION_LOCAL(FIX)
#define TC_FORCE_RELOCATION_SUB_SAME(FIX, SEG)   (! SEG_NORMAL (SEG))
#define TC_FORCE_RELOCATION_SUB_ABS(FIX)   0
#define TC_FORCE_RELOCATION_SUB_LOCAL(FIX)   1
#define TC_VALIDATE_FIX_SUB(FIX)
#define TC_LINKRELAX_FIXUP(SEG)   1
#define MD_APPLY_SYM_VALUE(FIX)   1
#define TC_FINALIZE_SYMS_BEFORE_SIZE_SEG   1
#define MD_PCREL_FROM_SECTION(FIX, SEC)   md_pcrel_from (FIX)
#define TC_FAKE_LABEL(NAME)   (strcmp ((NAME), FAKE_LABEL_NAME) == 0)
#define TC_FX_SIZE_SLACK(FIX)   0
#define RELOC_ENUM   enum bfd_reloc_code_real
#define dump_section_relocs(ABFD, SEC, STREAM)   ((void) 0)
#define EMIT_SECTION_SYMBOLS   1
#define SUB_SEGMENT_ALIGN(SEG, FRCHAIN)   0

Functions

void print_fixup (fixS *)
static fixS * fix_new_internal (fragS *frag, int where, int size, symbolS *add_symbol, symbolS *sub_symbol, offsetT offset, int pcrel, RELOC_ENUM r_type ATTRIBUTE_UNUSED)
fixS * fix_new (fragS *frag, int where, int size, symbolS *add_symbol, offsetT offset, int pcrel, RELOC_ENUM r_type)
fixS * fix_new_exp (fragS *frag, int where, int size, expressionS *exp, int pcrel, RELOC_ENUM r_type)
int generic_force_reloc (fixS *fix)
void append (char **charPP, char *fromP, unsigned long length)
void record_alignment (segT seg, int align)
int get_recorded_alignment (segT seg)
static void renumber_sections (bfd *abfd ATTRIBUTE_UNUSED, asection *sec, void *countparg)
static fragS * chain_frchains_together_1 (segT section, struct frchain *frchp)
static void chain_frchains_together (bfd *abfd ATTRIBUTE_UNUSED, segT section, void *xxx ATTRIBUTE_UNUSED)
static void cvt_frag_to_fill (segT sec ATTRIBUTE_UNUSED, fragS *fragP)
static void relax_seg (bfd *abfd ATTRIBUTE_UNUSED, asection *sec, void *xxx)
static void size_seg (bfd *abfd, asection *sec, void *xxx ATTRIBUTE_UNUSED)
static void resolve_reloc_expr_symbols (void)
static void adjust_reloc_syms (bfd *abfd ATTRIBUTE_UNUSED, asection *sec, void *xxx ATTRIBUTE_UNUSED)
static long fixup_segment (fixS *fixP, segT this_segment)
static void fix_segment (bfd *abfd ATTRIBUTE_UNUSED, asection *sec, void *xxx ATTRIBUTE_UNUSED)
static void install_reloc (asection *sec, arelent *reloc, fragS *fragp, char *file, unsigned int line)
static void write_relocs (bfd *abfd, asection *sec, void *xxx ATTRIBUTE_UNUSED)
static void write_contents (bfd *abfd ATTRIBUTE_UNUSED, asection *sec, void *xxx ATTRIBUTE_UNUSED)
static void merge_data_into_text (void)
static void set_symtab (void)
void subsegs_finish (void)
void write_object_file (void)
static relax_addressT relax_align (register relax_addressT address, register int alignment)
int relax_segment (struct frag *segment_frag_root, segT segment, int pass)
void number_to_chars_bigendian (char *buf, valueT val, int n)
void number_to_chars_littleendian (char *buf, valueT val, int n)
void write_print_statistics (FILE *file)

Variables

int finalize_syms = 0
int symbol_table_frozen
symbolS * abs_section_sym
addressT dot_value
struct reloc_listreloc_list
static int frags_chained = 0
static int n_fixups
int indent_level

Class Documentation

struct relax_seg_info

Definition at line 511 of file write.c.

Class Members
int changed
int pass

Define Documentation

#define dump_section_relocs (   ABFD,
  SEC,
  STREAM 
)    ((void) 0)

Definition at line 623 of file write.c.

#define EMIT_SECTION_SYMBOLS   1

Definition at line 627 of file write.c.

#define MD_APPLY_SYM_VALUE (   FIX)    1

Definition at line 85 of file write.c.

#define MD_PCREL_FROM_SECTION (   FIX,
  SEC 
)    md_pcrel_from (FIX)

Definition at line 93 of file write.c.

#define RELOC_ENUM   enum bfd_reloc_code_real

Definition at line 133 of file write.c.

#define SUB_SEGMENT_ALIGN (   SEG,
  FRCHAIN 
)    0

Definition at line 1404 of file write.c.

#define TC_ADJUST_RELOC_COUNT (   FIX,
  COUNT 
)

Definition at line 33 of file write.c.

#define TC_FAKE_LABEL (   NAME)    (strcmp ((NAME), FAKE_LABEL_NAME) == 0)

Definition at line 97 of file write.c.

Definition at line 89 of file write.c.

Definition at line 37 of file write.c.

Definition at line 42 of file write.c.

Value:
(!(FIX)->fx_pcrel                         \
   || TC_FORCE_RELOCATION (FIX))

Definition at line 47 of file write.c.

#define TC_FORCE_RELOCATION_SUB_ABS (   FIX)    0

Definition at line 58 of file write.c.

#define TC_FORCE_RELOCATION_SUB_LOCAL (   FIX)    1

Definition at line 65 of file write.c.

#define TC_FORCE_RELOCATION_SUB_SAME (   FIX,
  SEG 
)    (! SEG_NORMAL (SEG))

Definition at line 53 of file write.c.

#define TC_FX_SIZE_SLACK (   FIX)    0

Definition at line 107 of file write.c.

#define TC_LINKRELAX_FIXUP (   SEG)    1

Definition at line 81 of file write.c.

#define TC_VALIDATE_FIX_SUB (   FIX)
Value:
((FIX)->fx_r_type == BFD_RELOC_GPREL32    \
   || (FIX)->fx_r_type == BFD_RELOC_GPREL16)

Definition at line 74 of file write.c.


Function Documentation

static void adjust_reloc_syms ( bfd *abfd  ATTRIBUTE_UNUSED,
asection sec,
void *xxx  ATTRIBUTE_UNUSED 
) [static]

Definition at line 714 of file write.c.

{
  segment_info_type *seginfo = seg_info (sec);
  fixS *fixp;

  if (seginfo == NULL)
    return;

  dump_section_relocs (abfd, sec, stderr);

  for (fixp = seginfo->fix_root; fixp; fixp = fixp->fx_next)
    if (fixp->fx_done)
      /* Ignore it.  */
      ;
    else if (fixp->fx_addsy)
      {
       symbolS *sym;
       asection *symsec;

#ifdef DEBUG5
       fprintf (stderr, "\n\nadjusting fixup:\n");
       print_fixup (fixp);
#endif

       sym = fixp->fx_addsy;

       /* All symbols should have already been resolved at this
          point.  It is possible to see unresolved expression
          symbols, though, since they are not in the regular symbol
          table.  */
       resolve_symbol_value (sym);

       if (fixp->fx_subsy != NULL)
         resolve_symbol_value (fixp->fx_subsy);

       /* If this symbol is equated to an undefined or common symbol,
          convert the fixup to being against that symbol.  */
       while (symbol_equated_reloc_p (sym)
              || S_IS_WEAKREFR (sym))
         {
           symbolS *newsym = symbol_get_value_expression (sym)->X_add_symbol;
           if (sym == newsym)
             break;
           fixp->fx_offset += symbol_get_value_expression (sym)->X_add_number;
           fixp->fx_addsy = newsym;
           sym = newsym;
         }

       if (symbol_mri_common_p (sym))
         {
           fixp->fx_offset += S_GET_VALUE (sym);
           fixp->fx_addsy = symbol_get_value_expression (sym)->X_add_symbol;
           continue;
         }

       /* If the symbol is undefined, common, weak, or global (ELF
          shared libs), we can't replace it with the section symbol.  */
       if (S_FORCE_RELOC (fixp->fx_addsy, 1))
         continue;

       /* Is there some other (target cpu dependent) reason we can't adjust
          this one?  (E.g. relocations involving function addresses on
          the PA.  */
#ifdef tc_fix_adjustable
       if (! tc_fix_adjustable (fixp))
         continue;
#endif

       /* Since we're reducing to section symbols, don't attempt to reduce
          anything that's already using one.  */
       if (symbol_section_p (sym))
         continue;

       symsec = S_GET_SEGMENT (sym);
       if (symsec == NULL)
         abort ();

       if (bfd_is_abs_section (symsec))
         {
           /* The fixup_segment routine normally will not use this
              symbol in a relocation.  */
           continue;
         }

       /* Don't try to reduce relocs which refer to non-local symbols
          in .linkonce sections.  It can lead to confusion when a
          debugging section refers to a .linkonce section.  I hope
          this will always be correct.  */
       if (symsec != sec && ! S_IS_LOCAL (sym))
         {
           if ((symsec->flags & SEC_LINK_ONCE) != 0
              || (IS_ELF
                  /* The GNU toolchain uses an extension for ELF: a
                     section beginning with the magic string
                     .gnu.linkonce is a linkonce section.  */
                  && strncmp (segment_name (symsec), ".gnu.linkonce",
                            sizeof ".gnu.linkonce" - 1) == 0))
             continue;
         }

       /* Never adjust a reloc against local symbol in a merge section
          with non-zero addend.  */
       if ((symsec->flags & SEC_MERGE) != 0
           && (fixp->fx_offset != 0 || fixp->fx_subsy != NULL))
         continue;

       /* Never adjust a reloc against TLS local symbol.  */
       if ((symsec->flags & SEC_THREAD_LOCAL) != 0)
         continue;

       /* We refetch the segment when calling section_symbol, rather
          than using symsec, because S_GET_VALUE may wind up changing
          the section when it calls resolve_symbol_value.  */
       fixp->fx_offset += S_GET_VALUE (sym);
       fixp->fx_addsy = section_symbol (S_GET_SEGMENT (sym));
#ifdef DEBUG5
       fprintf (stderr, "\nadjusted fixup:\n");
       print_fixup (fixp);
#endif
      }

  dump_section_relocs (abfd, sec, stderr);
}

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void append ( char **  charPP,
char *  fromP,
unsigned long  length 
)

Definition at line 322 of file write.c.

{
  /* Don't trust memcpy() of 0 chars.  */
  if (length == 0)
    return;

  memcpy (*charPP, fromP, length);
  *charPP += length;
}
static void chain_frchains_together ( bfd *abfd  ATTRIBUTE_UNUSED,
segT  section,
void *xxx  ATTRIBUTE_UNUSED 
) [static]

Definition at line 398 of file write.c.

{
  segment_info_type *info;

  /* BFD may have introduced its own sections without using
     subseg_new, so it is possible that seg_info is NULL.  */
  info = seg_info (section);
  if (info != (segment_info_type *) NULL)
    info->frchainP->frch_last
      = chain_frchains_together_1 (section, info->frchainP);

  /* Now that we've chained the frags together, we must add new fixups
     to the segment, not to the frag chain.  */
  frags_chained = 1;
}

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static fragS* chain_frchains_together_1 ( segT  section,
struct frchain frchp 
) [static]

Definition at line 372 of file write.c.

{
  fragS dummy, *prev_frag = &dummy;
  fixS fix_dummy, *prev_fix = &fix_dummy;

  for (; frchp; frchp = frchp->frch_next)
    {
      prev_frag->fr_next = frchp->frch_root;
      prev_frag = frchp->frch_last;
      assert (prev_frag->fr_type != 0);
      if (frchp->fix_root != (fixS *) NULL)
       {
         if (seg_info (section)->fix_root == (fixS *) NULL)
           seg_info (section)->fix_root = frchp->fix_root;
         prev_fix->fx_next = frchp->fix_root;
         seg_info (section)->fix_tail = frchp->fix_tail;
         prev_fix = frchp->fix_tail;
       }
    }
  assert (prev_frag->fr_type != 0);
  assert (prev_frag != &dummy);
  prev_frag->fr_next = 0;
  return prev_frag;
}

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static void cvt_frag_to_fill ( segT sec  ATTRIBUTE_UNUSED,
fragS *  fragP 
) [static]

Definition at line 417 of file write.c.

{
  switch (fragP->fr_type)
    {
    case rs_align:
    case rs_align_code:
    case rs_align_test:
    case rs_org:
    case rs_space:
#ifdef HANDLE_ALIGN
      HANDLE_ALIGN (fragP);
#endif
      know (fragP->fr_next != NULL);
      fragP->fr_offset = (fragP->fr_next->fr_address
                       - fragP->fr_address
                       - fragP->fr_fix) / fragP->fr_var;
      if (fragP->fr_offset < 0)
       {
         as_bad_where (fragP->fr_file, fragP->fr_line,
                     _("attempt to .org/.space backwards? (%ld)"),
                     (long) fragP->fr_offset);
         fragP->fr_offset = 0;
       }
      fragP->fr_type = rs_fill;
      break;

    case rs_fill:
      break;

    case rs_leb128:
      {
       valueT value = S_GET_VALUE (fragP->fr_symbol);
       int size;

       size = output_leb128 (fragP->fr_literal + fragP->fr_fix, value,
                           fragP->fr_subtype);

       fragP->fr_fix += size;
       fragP->fr_type = rs_fill;
       fragP->fr_var = 0;
       fragP->fr_offset = 0;
       fragP->fr_symbol = NULL;
      }
      break;

    case rs_cfa:
      eh_frame_convert_frag (fragP);
      break;

    case rs_dwarf2dbg:
      dwarf2dbg_convert_frag (fragP);
      break;

    case rs_machine_dependent:
      md_convert_frag (stdoutput, sec, fragP);

      assert (fragP->fr_next == NULL
             || ((offsetT) (fragP->fr_next->fr_address - fragP->fr_address)
                == fragP->fr_fix));

      /* After md_convert_frag, we make the frag into a ".space 0".
        md_convert_frag() should set up any fixSs and constants
        required.  */
      frag_wane (fragP);
      break;

#ifndef WORKING_DOT_WORD
    case rs_broken_word:
      {
       struct broken_word *lie;

       if (fragP->fr_subtype)
         {
           fragP->fr_fix += md_short_jump_size;
           for (lie = (struct broken_word *) (fragP->fr_symbol);
               lie && lie->dispfrag == fragP;
               lie = lie->next_broken_word)
             if (lie->added == 1)
              fragP->fr_fix += md_long_jump_size;
         }
       frag_wane (fragP);
      }
      break;
#endif

    default:
      BAD_CASE (fragP->fr_type);
      break;
    }
#ifdef md_frag_check
  md_frag_check (fragP);
#endif
}

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fixS* fix_new ( fragS *  frag,
int  where,
int  size,
symbolS *  add_symbol,
offsetT  offset,
int  pcrel,
RELOC_ENUM  r_type 
)

Definition at line 226 of file write.c.

{
  return fix_new_internal (frag, where, size, add_symbol,
                        (symbolS *) NULL, offset, pcrel, r_type);
}

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fixS* fix_new_exp ( fragS *  frag,
int  where,
int  size,
expressionS exp,
int  pcrel,
RELOC_ENUM  r_type 
)

Definition at line 243 of file write.c.

{
  symbolS *add = NULL;
  symbolS *sub = NULL;
  offsetT off = 0;

  switch (exp->X_op)
    {
    case O_absent:
      break;

    case O_register:
      as_bad (_("register value used as expression"));
      break;

    case O_add:
      /* This comes up when _GLOBAL_OFFSET_TABLE_+(.-L0) is read, if
        the difference expression cannot immediately be reduced.  */
      {
       symbolS *stmp = make_expr_symbol (exp);

       exp->X_op = O_symbol;
       exp->X_op_symbol = 0;
       exp->X_add_symbol = stmp;
       exp->X_add_number = 0;

       return fix_new_exp (frag, where, size, exp, pcrel, r_type);
      }

    case O_symbol_rva:
      add = exp->X_add_symbol;
      off = exp->X_add_number;
      r_type = BFD_RELOC_RVA;
      break;

    case O_uminus:
      sub = exp->X_add_symbol;
      off = exp->X_add_number;
      break;

    case O_subtract:
      sub = exp->X_op_symbol;
      /* Fall through.  */
    case O_symbol:
      add = exp->X_add_symbol;
      /* Fall through.  */
    case O_constant:
      off = exp->X_add_number;
      break;

    default:
      add = make_expr_symbol (exp);
      break;
    }

  return fix_new_internal (frag, where, size, add, sub, off, pcrel, r_type);
}

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static fixS* fix_new_internal ( fragS *  frag,
int  where,
int  size,
symbolS *  add_symbol,
symbolS *  sub_symbol,
offsetT  offset,
int  pcrel,
RELOC_ENUM r_type  ATTRIBUTE_UNUSED 
) [static]

Definition at line 138 of file write.c.

{
  fixS *fixP;

  n_fixups++;

  fixP = obstack_alloc (&notes, sizeof (fixS));

  fixP->fx_frag = frag;
  fixP->fx_where = where;
  fixP->fx_size = size;
  /* We've made fx_size a narrow field; check that it's wide enough.  */
  if (fixP->fx_size != size)
    {
      as_bad (_("field fx_size too small to hold %d"), size);
      abort ();
    }
  fixP->fx_addsy = add_symbol;
  fixP->fx_subsy = sub_symbol;
  fixP->fx_offset = offset;
  fixP->fx_dot_value = dot_value;
  fixP->fx_pcrel = pcrel;
  fixP->fx_r_type = r_type;
  fixP->fx_im_disp = 0;
  fixP->fx_pcrel_adjust = 0;
  fixP->fx_bit_fixP = 0;
  fixP->fx_addnumber = 0;
  fixP->fx_tcbit = 0;
  fixP->fx_tcbit2 = 0;
  fixP->fx_done = 0;
  fixP->fx_no_overflow = 0;
  fixP->fx_signed = 0;

#ifdef USING_CGEN
  fixP->fx_cgen.insn = NULL;
  fixP->fx_cgen.opinfo = 0;
#endif

#ifdef TC_FIX_TYPE
  TC_INIT_FIX_DATA (fixP);
#endif

  as_where (&fixP->fx_file, &fixP->fx_line);

  /* Usually, we want relocs sorted numerically, but while
     comparing to older versions of gas that have relocs
     reverse sorted, it is convenient to have this compile
     time option.  xoxorich.  */
  {

    fixS **seg_fix_rootP = (frags_chained
                         ? &seg_info (now_seg)->fix_root
                         : &frchain_now->fix_root);
    fixS **seg_fix_tailP = (frags_chained
                         ? &seg_info (now_seg)->fix_tail
                         : &frchain_now->fix_tail);

#ifdef REVERSE_SORT_RELOCS

    fixP->fx_next = *seg_fix_rootP;
    *seg_fix_rootP = fixP;

#else /* REVERSE_SORT_RELOCS  */

    fixP->fx_next = NULL;

    if (*seg_fix_tailP)
      (*seg_fix_tailP)->fx_next = fixP;
    else
      *seg_fix_rootP = fixP;
    *seg_fix_tailP = fixP;

#endif /* REVERSE_SORT_RELOCS  */
  }

  return fixP;
}

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static void fix_segment ( bfd *abfd  ATTRIBUTE_UNUSED,
asection sec,
void *xxx  ATTRIBUTE_UNUSED 
) [static]

Definition at line 1072 of file write.c.

{
  segment_info_type *seginfo = seg_info (sec);

  fixup_segment (seginfo->fix_root, sec);
}

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static long fixup_segment ( fixS *  fixP,
segT  this_segment 
) [static]

Definition at line 852 of file write.c.

{
  long seg_reloc_count = 0;
  valueT add_number;
  fragS *fragP;
  segT add_symbol_segment = absolute_section;

  if (fixP != NULL && abs_section_sym == NULL)
    abs_section_sym = section_symbol (absolute_section);

  /* If the linker is doing the relaxing, we must not do any fixups.

     Well, strictly speaking that's not true -- we could do any that
     are PC-relative and don't cross regions that could change size.
     And for the i960 we might be able to turn callx/callj into bal
     anyways in cases where we know the maximum displacement.  */
  if (linkrelax && TC_LINKRELAX_FIXUP (this_segment))
    {
      for (; fixP; fixP = fixP->fx_next)
       if (!fixP->fx_done)
         {
           if (fixP->fx_addsy == NULL)
             {
              /* There was no symbol required by this relocation.
                 However, BFD doesn't really handle relocations
                 without symbols well. So fake up a local symbol in
                 the absolute section.  */
              fixP->fx_addsy = abs_section_sym;
             }
           symbol_mark_used_in_reloc (fixP->fx_addsy);
           if (fixP->fx_subsy != NULL)
             symbol_mark_used_in_reloc (fixP->fx_subsy);
           seg_reloc_count++;
         }
      TC_ADJUST_RELOC_COUNT (fixP, seg_reloc_count);
      return seg_reloc_count;
    }

  for (; fixP; fixP = fixP->fx_next)
    {
#ifdef DEBUG5
      fprintf (stderr, "\nprocessing fixup:\n");
      print_fixup (fixP);
#endif

      fragP = fixP->fx_frag;
      know (fragP);
#ifdef TC_VALIDATE_FIX
      TC_VALIDATE_FIX (fixP, this_segment, skip);
#endif
      add_number = fixP->fx_offset;

      if (fixP->fx_addsy != NULL)
       add_symbol_segment = S_GET_SEGMENT (fixP->fx_addsy);

      if (fixP->fx_subsy != NULL)
       {
         segT sub_symbol_segment;
         resolve_symbol_value (fixP->fx_subsy);
         sub_symbol_segment = S_GET_SEGMENT (fixP->fx_subsy);
         if (fixP->fx_addsy != NULL
             && sub_symbol_segment == add_symbol_segment
             && !TC_FORCE_RELOCATION_SUB_SAME (fixP, add_symbol_segment))
           {
             add_number += S_GET_VALUE (fixP->fx_addsy);
             add_number -= S_GET_VALUE (fixP->fx_subsy);
             fixP->fx_offset = add_number;
             fixP->fx_addsy = NULL;
             fixP->fx_subsy = NULL;
#ifdef TC_M68K
             /* See the comment below about 68k weirdness.  */
             fixP->fx_pcrel = 0;
#endif
           }
         else if (sub_symbol_segment == absolute_section
                 && !TC_FORCE_RELOCATION_SUB_ABS (fixP))
           {
             add_number -= S_GET_VALUE (fixP->fx_subsy);
             fixP->fx_offset = add_number;
             fixP->fx_subsy = NULL;
           }
         else if (sub_symbol_segment == this_segment
                 && !TC_FORCE_RELOCATION_SUB_LOCAL (fixP))
           {
             add_number -= S_GET_VALUE (fixP->fx_subsy);
             fixP->fx_offset = (add_number + fixP->fx_dot_value
                             + fixP->fx_frag->fr_address);

             /* Make it pc-relative.  If the back-end code has not
               selected a pc-relative reloc, cancel the adjustment
               we do later on all pc-relative relocs.  */
             if (0
#ifdef TC_M68K
                /* Do this for m68k even if it's already described
                   as pc-relative.  On the m68k, an operand of
                   "pc@(foo-.-2)" should address "foo" in a
                   pc-relative mode.  */
                || 1
#endif
                || !fixP->fx_pcrel)
              add_number += MD_PCREL_FROM_SECTION (fixP, this_segment);
             fixP->fx_subsy = NULL;
             fixP->fx_pcrel = 1;
           }
         else if (!TC_VALIDATE_FIX_SUB (fixP))
           {
             as_bad_where (fixP->fx_file, fixP->fx_line,
                         _("can't resolve `%s' {%s section} - `%s' {%s section}"),
                         fixP->fx_addsy ? S_GET_NAME (fixP->fx_addsy) : "0",
                         segment_name (add_symbol_segment),
                         S_GET_NAME (fixP->fx_subsy),
                         segment_name (sub_symbol_segment));
           }
       }

      if (fixP->fx_addsy)
       {
         if (add_symbol_segment == this_segment
             && !TC_FORCE_RELOCATION_LOCAL (fixP))
           {
             /* This fixup was made when the symbol's segment was
               SEG_UNKNOWN, but it is now in the local segment.
               So we know how to do the address without relocation.  */
             add_number += S_GET_VALUE (fixP->fx_addsy);
             fixP->fx_offset = add_number;
             if (fixP->fx_pcrel)
              add_number -= MD_PCREL_FROM_SECTION (fixP, this_segment);
             fixP->fx_addsy = NULL;
             fixP->fx_pcrel = 0;
           }
         else if (add_symbol_segment == absolute_section
                 && !TC_FORCE_RELOCATION_ABS (fixP))
           {
             add_number += S_GET_VALUE (fixP->fx_addsy);
             fixP->fx_offset = add_number;
             fixP->fx_addsy = NULL;
           }
         else if (add_symbol_segment != undefined_section
                 && ! bfd_is_com_section (add_symbol_segment)
                 && MD_APPLY_SYM_VALUE (fixP))
           add_number += S_GET_VALUE (fixP->fx_addsy);
       }

      if (fixP->fx_pcrel)
       {
         add_number -= MD_PCREL_FROM_SECTION (fixP, this_segment);
         if (!fixP->fx_done && fixP->fx_addsy == NULL)
           {
             /* There was no symbol required by this relocation.
               However, BFD doesn't really handle relocations
               without symbols well. So fake up a local symbol in
               the absolute section.  */
             fixP->fx_addsy = abs_section_sym;
           }
       }

      if (!fixP->fx_done)
       md_apply_fix (fixP, &add_number, this_segment);

      if (!fixP->fx_done)
       {
         ++seg_reloc_count;
         if (fixP->fx_addsy == NULL)
           fixP->fx_addsy = abs_section_sym;
         symbol_mark_used_in_reloc (fixP->fx_addsy);
         if (fixP->fx_subsy != NULL)
           symbol_mark_used_in_reloc (fixP->fx_subsy);
       }

      if (!fixP->fx_bit_fixP && !fixP->fx_no_overflow && fixP->fx_size != 0)
       {
         if (fixP->fx_size < sizeof (valueT))
           {
             valueT mask;

             mask = 0;
             mask--;        /* Set all bits to one.  */
             mask <<= fixP->fx_size * 8 - (fixP->fx_signed ? 1 : 0);
             if ((add_number & mask) != 0 && (add_number & mask) != mask)
              {
                char buf[50], buf2[50];
                sprint_value (buf, fragP->fr_address + fixP->fx_where);
                if (add_number > 1000)
                  sprint_value (buf2, add_number);
                else
                  sprintf (buf2, "%ld", (long) add_number);
                as_bad_where (fixP->fx_file, fixP->fx_line,
                            _("value of %s too large for field of %d bytes at %s"),
                            buf2, fixP->fx_size, buf);
              } /* Generic error checking.  */
           }
#ifdef WARN_SIGNED_OVERFLOW_WORD
         /* Warn if a .word value is too large when treated as a signed
            number.  We already know it is not too negative.  This is to
            catch over-large switches generated by gcc on the 68k.  */
         if (!flag_signed_overflow_ok
             && fixP->fx_size == 2
             && add_number > 0x7fff)
           as_bad_where (fixP->fx_file, fixP->fx_line,
                       _("signed .word overflow; switch may be too large; %ld at 0x%lx"),
                       (long) add_number,
                       (long) (fragP->fr_address + fixP->fx_where));
#endif
       }                    /* Not a bit fix.  */

#ifdef TC_VALIDATE_FIX
    skip:  ATTRIBUTE_UNUSED_LABEL
      ;
#endif
#ifdef DEBUG5
      fprintf (stderr, "result:\n");
      print_fixup (fixP);
#endif
    }                       /* For each fixS in this segment.  */

  TC_ADJUST_RELOC_COUNT (fixP, seg_reloc_count);
  return seg_reloc_count;
}

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int generic_force_reloc ( fixS *  fix)

Definition at line 308 of file write.c.

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Definition at line 352 of file write.c.

{
  if (seg == absolute_section)
    return 0;

  return bfd_get_section_alignment (stdoutput, seg);
}

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static void install_reloc ( asection sec,
arelent reloc,
fragS *  fragp,
char *  file,
unsigned int  line 
) [static]

Definition at line 1082 of file write.c.

{
  char *err;
  bfd_reloc_status_type s;

  s = bfd_install_relocation (stdoutput, reloc,
                           fragp->fr_literal, fragp->fr_address,
                           sec, &err);
  switch (s)
    {
    case bfd_reloc_ok:
      break;
    case bfd_reloc_overflow:
      as_bad_where (file, line, _("relocation overflow"));
      break;
    case bfd_reloc_outofrange:
      as_bad_where (file, line, _("relocation out of range"));
      break;
    default:
      as_fatal (_("%s:%u: bad return from bfd_install_relocation: %x"),
              file, line, s);
    }
}

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static void merge_data_into_text ( void  ) [static]

Definition at line 1346 of file write.c.

{
  seg_info (text_section)->frchainP->frch_last->fr_next =
    seg_info (data_section)->frchainP->frch_root;
  seg_info (text_section)->frchainP->frch_last =
    seg_info (data_section)->frchainP->frch_last;
  seg_info (data_section)->frchainP = 0;
}

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void number_to_chars_bigendian ( char *  buf,
valueT  val,
int  n 
)

Definition at line 2453 of file write.c.

{
  if (n <= 0)
    abort ();
  while (n--)
    {
      buf[n] = val & 0xff;
      val >>= 8;
    }
}

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void number_to_chars_littleendian ( char *  buf,
valueT  val,
int  n 
)

Definition at line 2465 of file write.c.

{
  if (n <= 0)
    abort ();
  while (n--)
    {
      *buf++ = val & 0xff;
      val >>= 8;
    }
}

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void print_fixup ( fixS *  fixp)

Definition at line 2486 of file write.c.

{
  indent_level = 1;
  fprintf (stderr, "fix %lx %s:%d", (long) fixp, fixp->fx_file, fixp->fx_line);
  if (fixp->fx_pcrel)
    fprintf (stderr, " pcrel");
  if (fixp->fx_pcrel_adjust)
    fprintf (stderr, " pcrel_adjust=%d", fixp->fx_pcrel_adjust);
  if (fixp->fx_im_disp)
    {
#ifdef TC_NS32K
      fprintf (stderr, " im_disp=%d", fixp->fx_im_disp);
#else
      fprintf (stderr, " im_disp");
#endif
    }
  if (fixp->fx_tcbit)
    fprintf (stderr, " tcbit");
  if (fixp->fx_done)
    fprintf (stderr, " done");
  fprintf (stderr, "\n    size=%d frag=%lx where=%ld offset=%lx addnumber=%lx",
          fixp->fx_size, (long) fixp->fx_frag, (long) fixp->fx_where,
          (long) fixp->fx_offset, (long) fixp->fx_addnumber);
  fprintf (stderr, "\n    %s (%d)", bfd_get_reloc_code_name (fixp->fx_r_type),
          fixp->fx_r_type);
  if (fixp->fx_addsy)
    {
      fprintf (stderr, "\n   +<");
      print_symbol_value_1 (stderr, fixp->fx_addsy);
      fprintf (stderr, ">");
    }
  if (fixp->fx_subsy)
    {
      fprintf (stderr, "\n   -<");
      print_symbol_value_1 (stderr, fixp->fx_subsy);
      fprintf (stderr, ">");
    }
  fprintf (stderr, "\n");
#ifdef TC_FIX_DATA_PRINT
  TC_FIX_DATA_PRINT (stderr, fixp);
#endif
}

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void record_alignment ( segT  seg,
int  align 
)

Definition at line 338 of file write.c.

{
  if (seg == absolute_section)
    return;

  if ((unsigned int) align > bfd_get_section_alignment (stdoutput, seg))
    bfd_set_section_alignment (stdoutput, seg, align);
}
static relax_addressT relax_align ( register relax_addressT  address,
register int  alignment 
) [static]

Definition at line 1961 of file write.c.

{
  relax_addressT mask;
  relax_addressT new_address;

  mask = ~((~0) << alignment);
  new_address = (address + mask) & (~mask);
#ifdef LINKER_RELAXING_SHRINKS_ONLY
  if (linkrelax)
    /* We must provide lots of padding, so the linker can discard it
       when needed.  The linker will not add extra space, ever.  */
    new_address += (1 << alignment);
#endif
  return (new_address - address);
}

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static void relax_seg ( bfd *abfd  ATTRIBUTE_UNUSED,
asection sec,
void *  xxx 
) [static]

Definition at line 518 of file write.c.

{
  segment_info_type *seginfo = seg_info (sec);
  struct relax_seg_info *info = (struct relax_seg_info *) xxx;

  if (seginfo && seginfo->frchainP
      && relax_segment (seginfo->frchainP->frch_root, sec, info->pass))
    info->changed = 1;
}

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int relax_segment ( struct frag segment_frag_root,
segT  segment,
int  pass 
)

Definition at line 1989 of file write.c.

{
  unsigned long frag_count;
  struct frag *fragP;
  relax_addressT address;
  int ret;

  /* In case md_estimate_size_before_relax() wants to make fixSs.  */
  subseg_change (segment, 0);

  /* For each frag in segment: count and store  (a 1st guess of)
     fr_address.  */
  address = 0;
  for (frag_count = 0, fragP = segment_frag_root;
       fragP;
       fragP = fragP->fr_next, frag_count ++)
    {
      fragP->relax_marker = 0;
      fragP->fr_address = address;
      address += fragP->fr_fix;

      switch (fragP->fr_type)
       {
       case rs_fill:
         address += fragP->fr_offset * fragP->fr_var;
         break;

       case rs_align:
       case rs_align_code:
       case rs_align_test:
         {
           addressT offset = relax_align (address, (int) fragP->fr_offset);

           if (fragP->fr_subtype != 0 && offset > fragP->fr_subtype)
             offset = 0;

           if (offset % fragP->fr_var != 0)
             {
              as_bad_where (fragP->fr_file, fragP->fr_line,
                           _("alignment padding (%lu bytes) not a multiple of %ld"),
                           (unsigned long) offset, (long) fragP->fr_var);
              offset -= (offset % fragP->fr_var);
             }

           address += offset;
         }
         break;

       case rs_org:
       case rs_space:
         /* Assume .org is nugatory. It will grow with 1st relax.  */
         break;

       case rs_machine_dependent:
         /* If fr_symbol is an expression, this call to
            resolve_symbol_value sets up the correct segment, which will
            likely be needed in md_estimate_size_before_relax.  */
         if (fragP->fr_symbol)
           resolve_symbol_value (fragP->fr_symbol);

         address += md_estimate_size_before_relax (fragP, segment);
         break;

#ifndef WORKING_DOT_WORD
         /* Broken words don't concern us yet.  */
       case rs_broken_word:
         break;
#endif

       case rs_leb128:
         /* Initial guess is always 1; doing otherwise can result in
            stable solutions that are larger than the minimum.  */
         address += fragP->fr_offset = 1;
         break;

       case rs_cfa:
         address += eh_frame_estimate_size_before_relax (fragP);
         break;

       case rs_dwarf2dbg:
         address += dwarf2dbg_estimate_size_before_relax (fragP);
         break;

       default:
         BAD_CASE (fragP->fr_type);
         break;
       }
    }

  /* Do relax().  */
  {
    unsigned long max_iterations;

    /* Cumulative address adjustment.  */
    offsetT stretch;

    /* Have we made any adjustment this pass?  We can't just test
       stretch because one piece of code may have grown and another
       shrank.  */
    int stretched;

    /* Most horrible, but gcc may give us some exception data that
       is impossible to assemble, of the form

       .align 4
       .byte 0, 0
       .uleb128 end - start
       start:
       .space 128*128 - 1
       .align 4
       end:

       If the leb128 is two bytes in size, then end-start is 128*128,
       which requires a three byte leb128.  If the leb128 is three
       bytes in size, then end-start is 128*128-1, which requires a
       two byte leb128.  We work around this dilemma by inserting
       an extra 4 bytes of alignment just after the .align.  This
       works because the data after the align is accessed relative to
       the end label.

       This counter is used in a tiny state machine to detect
       whether a leb128 followed by an align is impossible to
       relax.  */
    int rs_leb128_fudge = 0;

    /* We want to prevent going into an infinite loop where one frag grows
       depending upon the location of a symbol which is in turn moved by
       the growing frag.  eg:

        foo = .
        .org foo+16
        foo = .

       So we dictate that this algorithm can be at most O2.  */
    max_iterations = frag_count * frag_count;
    /* Check for overflow.  */
    if (max_iterations < frag_count)
      max_iterations = frag_count;

    ret = 0;
    do
      {
       stretch = 0;
       stretched = 0;

       for (fragP = segment_frag_root; fragP; fragP = fragP->fr_next)
         {
           offsetT growth = 0;
           addressT was_address;
           offsetT offset;
           symbolS *symbolP;

           fragP->relax_marker ^= 1;
           was_address = fragP->fr_address;
           address = fragP->fr_address += stretch;
           symbolP = fragP->fr_symbol;
           offset = fragP->fr_offset;

           switch (fragP->fr_type)
             {
             case rs_fill:  /* .fill never relaxes.  */
              growth = 0;
              break;

#ifndef WORKING_DOT_WORD
              /* JF:  This is RMS's idea.  I do *NOT* want to be blamed
                 for it I do not want to write it.  I do not want to have
                 anything to do with it.  This is not the proper way to
                 implement this misfeature.  */
             case rs_broken_word:
              {
                struct broken_word *lie;
                struct broken_word *untruth;

                /* Yes this is ugly (storing the broken_word pointer
                   in the symbol slot).  Still, this whole chunk of
                   code is ugly, and I don't feel like doing anything
                   about it.  Think of it as stubbornness in action.  */
                growth = 0;
                for (lie = (struct broken_word *) (fragP->fr_symbol);
                     lie && lie->dispfrag == fragP;
                     lie = lie->next_broken_word)
                  {

                    if (lie->added)
                     continue;

                    offset = (S_GET_VALUE (lie->add)
                            + lie->addnum
                            - S_GET_VALUE (lie->sub));
                    if (offset <= -32768 || offset >= 32767)
                     {
                       if (flag_warn_displacement)
                         {
                           char buf[50];
                           sprint_value (buf, (addressT) lie->addnum);
                           as_warn_where (fragP->fr_file, fragP->fr_line,
                                        _(".word %s-%s+%s didn't fit"),
                                        S_GET_NAME (lie->add),
                                        S_GET_NAME (lie->sub),
                                        buf);
                         }
                       lie->added = 1;
                       if (fragP->fr_subtype == 0)
                         {
                           fragP->fr_subtype++;
                           growth += md_short_jump_size;
                         }
                       for (untruth = lie->next_broken_word;
                            untruth && untruth->dispfrag == lie->dispfrag;
                            untruth = untruth->next_broken_word)
                         if ((symbol_get_frag (untruth->add)
                             == symbol_get_frag (lie->add))
                            && (S_GET_VALUE (untruth->add)
                                == S_GET_VALUE (lie->add)))
                           {
                            untruth->added = 2;
                            untruth->use_jump = lie;
                           }
                       growth += md_long_jump_size;
                     }
                  }

                break;
              }             /* case rs_broken_word  */
#endif
             case rs_align:
             case rs_align_code:
             case rs_align_test:
              {
                addressT oldoff, newoff;

                oldoff = relax_align (was_address + fragP->fr_fix,
                                   (int) offset);
                newoff = relax_align (address + fragP->fr_fix,
                                   (int) offset);

                if (fragP->fr_subtype != 0)
                  {
                    if (oldoff > fragP->fr_subtype)
                     oldoff = 0;
                    if (newoff > fragP->fr_subtype)
                     newoff = 0;
                  }

                growth = newoff - oldoff;

                /* If this align happens to follow a leb128 and
                   we have determined that the leb128 is bouncing
                   in size, then break the cycle by inserting an
                   extra alignment.  */
                if (growth < 0
                    && (rs_leb128_fudge & 16) != 0
                    && (rs_leb128_fudge & 15) >= 2)
                  {
                    segment_info_type *seginfo = seg_info (segment);
                    struct obstack *ob = &seginfo->frchainP->frch_obstack;
                    struct frag *newf;

                    newf = frag_alloc (ob);
                    obstack_blank_fast (ob, fragP->fr_var);
                    obstack_finish (ob);
                    memcpy (newf, fragP, SIZEOF_STRUCT_FRAG);
                    memcpy (newf->fr_literal,
                           fragP->fr_literal + fragP->fr_fix,
                           fragP->fr_var);
                    newf->fr_type = rs_fill;
                    newf->fr_fix = 0;
                    newf->fr_offset = (((offsetT) 1 << fragP->fr_offset)
                                    / fragP->fr_var);
                    if (newf->fr_offset * newf->fr_var
                       != (offsetT) 1 << fragP->fr_offset)
                     {
                       newf->fr_offset = (offsetT) 1 << fragP->fr_offset;
                       newf->fr_var = 1;
                     }
                    /* Include growth of new frag, because rs_fill
                      frags don't normally grow.  */
                    growth += newf->fr_offset * newf->fr_var;
                    /* The new frag address is newoff.  Adjust this
                      for the amount we'll add when we process the
                      new frag.  */
                    newf->fr_address = newoff - stretch - growth;
                    newf->relax_marker ^= 1;
                    fragP->fr_next = newf;
#ifdef DEBUG
                    as_warn (_("padding added"));
#endif
                  }
              }
              break;

             case rs_org:
              {
                addressT target = offset;
                addressT after;

                if (symbolP)
                  {
                    /* Convert from an actual address to an octet offset
                      into the section.  Here it is assumed that the
                      section's VMA is zero, and can omit subtracting it
                      from the symbol's value to get the address offset.  */
                    know (S_GET_SEGMENT (symbolP)->vma == 0);
                    target += S_GET_VALUE (symbolP) * OCTETS_PER_BYTE;
                  }

                know (fragP->fr_next);
                after = fragP->fr_next->fr_address;
                growth = target - after;
                if (growth < 0)
                  {
                    growth = 0;

                    /* Don't error on first few frag relax passes.
                      The symbol might be an expression involving
                      symbol values from other sections.  If those
                      sections have not yet been processed their
                      frags will all have zero addresses, so we
                      will calculate incorrect values for them.  The
                      number of passes we allow before giving an
                      error is somewhat arbitrary.  It should be at
                      least one, with larger values requiring
                      increasingly contrived dependencies between
                      frags to trigger a false error.  */
                    if (pass < 2)
                     {
                       /* Force another pass.  */
                       ret = 1;
                       break;
                     }

                    /* Growth may be negative, but variable part of frag
                      cannot have fewer than 0 chars.  That is, we can't
                      .org backwards.  */
                    as_bad_where (fragP->fr_file, fragP->fr_line,
                                _("attempt to move .org backwards"));

                    /* We've issued an error message.  Change the
                      frag to avoid cascading errors.  */
                    fragP->fr_type = rs_align;
                    fragP->fr_subtype = 0;
                    fragP->fr_offset = 0;
                    fragP->fr_fix = after - was_address;
                    break;
                  }

                /* This is an absolute growth factor  */
                growth -= stretch;
                break;
              }

             case rs_space:
              growth = 0;
              if (symbolP)
                {
                  offsetT amount;

                  amount = S_GET_VALUE (symbolP);
                  if (S_GET_SEGMENT (symbolP) != absolute_section
                     || S_IS_COMMON (symbolP)
                     || ! S_IS_DEFINED (symbolP))
                    {
                     as_bad_where (fragP->fr_file, fragP->fr_line,
                                  _(".space specifies non-absolute value"));
                     /* Prevent repeat of this error message.  */
                     fragP->fr_symbol = 0;
                    }
                  else if (amount < 0)
                    {
                     /* Don't error on first few frag relax passes.
                        See rs_org comment for a longer explanation.  */
                     if (pass < 2)
                       {
                         ret = 1;
                         break;
                       }

                     as_warn_where (fragP->fr_file, fragP->fr_line,
                                   _(".space or .fill with negative value, ignored"));
                     fragP->fr_symbol = 0;
                    }
                  else
                    growth = (was_address + fragP->fr_fix + amount
                            - fragP->fr_next->fr_address);
                }
              break;

             case rs_machine_dependent:
#ifdef md_relax_frag
              growth = md_relax_frag (segment, fragP, stretch);
#else
#ifdef TC_GENERIC_RELAX_TABLE
              /* The default way to relax a frag is to look through
                 TC_GENERIC_RELAX_TABLE.  */
              growth = relax_frag (segment, fragP, stretch);
#endif /* TC_GENERIC_RELAX_TABLE  */
#endif
              break;

             case rs_leb128:
              {
                valueT value;
                offsetT size;

                value = resolve_symbol_value (fragP->fr_symbol);
                size = sizeof_leb128 (value, fragP->fr_subtype);
                growth = size - fragP->fr_offset;
                fragP->fr_offset = size;
              }
              break;

             case rs_cfa:
              growth = eh_frame_relax_frag (fragP);
              break;

             case rs_dwarf2dbg:
              growth = dwarf2dbg_relax_frag (fragP);
              break;

             default:
              BAD_CASE (fragP->fr_type);
              break;
             }
           if (growth)
             {
              stretch += growth;
              stretched = 1;
              if (fragP->fr_type == rs_leb128)
                rs_leb128_fudge += 16;
              else if (fragP->fr_type == rs_align
                      && (rs_leb128_fudge & 16) != 0
                      && stretch == 0)
                rs_leb128_fudge += 16;
              else
                rs_leb128_fudge = 0;
             }
         }

       if (stretch == 0
           && (rs_leb128_fudge & 16) == 0
           && (rs_leb128_fudge & -16) != 0)
         rs_leb128_fudge += 1;
       else
         rs_leb128_fudge = 0;
      }
    /* Until nothing further to relax.  */
    while (stretched && -- max_iterations);

    if (stretched)
      as_fatal (_("Infinite loop encountered whilst attempting to compute the addresses of symbols in section %s"),
              segment_name (segment));
  }

  for (fragP = segment_frag_root; fragP; fragP = fragP->fr_next)
    if (fragP->last_fr_address != fragP->fr_address)
      {
       fragP->last_fr_address = fragP->fr_address;
       ret = 1;
      }
  return ret;
}

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static void renumber_sections ( bfd *abfd  ATTRIBUTE_UNUSED,
asection sec,
void *  countparg 
) [static]

Definition at line 363 of file write.c.

{
  int *countp = (int *) countparg;

  sec->index = *countp;
  ++*countp;
}

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static void resolve_reloc_expr_symbols ( void  ) [static]

Definition at line 634 of file write.c.

{
  struct reloc_list *r;

  for (r = reloc_list; r; r = r->next)
    {
      expressionS *symval;
      symbolS *sym;
      bfd_vma offset, addend;
      asection *sec;
      reloc_howto_type *howto;

      resolve_symbol_value (r->u.a.offset_sym);
      symval = symbol_get_value_expression (r->u.a.offset_sym);

      offset = 0;
      sym = NULL;
      if (symval->X_op == O_constant)
       sym = r->u.a.offset_sym;
      else if (symval->X_op == O_symbol)
       {
         sym = symval->X_add_symbol;
         offset = symval->X_add_number;
         symval = symbol_get_value_expression (symval->X_add_symbol);
       }
      if (sym == NULL
         || symval->X_op != O_constant
         || (sec = S_GET_SEGMENT (sym)) == NULL
         || !SEG_NORMAL (sec))
       {
         as_bad_where (r->file, r->line, _("invalid offset expression"));
         sec = NULL;
       }
      else
       offset += S_GET_VALUE (sym);

      sym = NULL;
      addend = r->u.a.addend;
      if (r->u.a.sym != NULL)
       {
         resolve_symbol_value (r->u.a.sym);
         symval = symbol_get_value_expression (r->u.a.sym);
         if (symval->X_op == O_constant)
           sym = r->u.a.sym;
         else if (symval->X_op == O_symbol)
           {
             sym = symval->X_add_symbol;
             addend += symval->X_add_number;
             symval = symbol_get_value_expression (symval->X_add_symbol);
           }
         if (symval->X_op != O_constant)
           {
             as_bad_where (r->file, r->line, _("invalid reloc expression"));
             sec = NULL;
           }
         else if (sym != NULL)
           symbol_mark_used_in_reloc (sym);
       }
      if (sym == NULL)
       {
         if (abs_section_sym == NULL)
           abs_section_sym = section_symbol (absolute_section);
         sym = abs_section_sym;
       }

      howto = r->u.a.howto;

      r->u.b.sec = sec;
      r->u.b.s = symbol_get_bfdsym (sym);
      r->u.b.r.sym_ptr_ptr = &r->u.b.s;
      r->u.b.r.address = offset;
      r->u.b.r.addend = addend;
      r->u.b.r.howto = howto;
    }
}

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static void set_symtab ( void  ) [static]

Definition at line 1356 of file write.c.

{
  int nsyms;
  asymbol **asympp;
  symbolS *symp;
  bfd_boolean result;

  /* Count symbols.  We can't rely on a count made by the loop in
     write_object_file, because *_frob_file may add a new symbol or
     two.  */
  nsyms = 0;
  for (symp = symbol_rootP; symp; symp = symbol_next (symp))
    nsyms++;

  if (nsyms)
    {
      int i;
      bfd_size_type amt = (bfd_size_type) nsyms * sizeof (asymbol *);

      asympp = bfd_alloc (stdoutput, amt);
      symp = symbol_rootP;
      for (i = 0; i < nsyms; i++, symp = symbol_next (symp))
       {
         asympp[i] = symbol_get_bfdsym (symp);
         symbol_mark_written (symp);
       }
    }
  else
    asympp = 0;
  result = bfd_set_symtab (stdoutput, asympp, nsyms);
  assert (result);
  symbol_table_frozen = 1;
}

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static void size_seg ( bfd abfd,
asection sec,
void *xxx  ATTRIBUTE_UNUSED 
) [static]

Definition at line 529 of file write.c.

{
  flagword flags;
  fragS *fragp;
  segment_info_type *seginfo;
  int x;
  valueT size, newsize;

  subseg_change (sec, 0);

  seginfo = seg_info (sec);
  if (seginfo && seginfo->frchainP)
    {
      for (fragp = seginfo->frchainP->frch_root; fragp; fragp = fragp->fr_next)
       cvt_frag_to_fill (sec, fragp);
      for (fragp = seginfo->frchainP->frch_root;
          fragp->fr_next;
          fragp = fragp->fr_next)
       /* Walk to last elt.  */
       ;
      size = fragp->fr_address + fragp->fr_fix;
    }
  else
    size = 0;

  flags = bfd_get_section_flags (abfd, sec);

  if (size > 0 && ! seginfo->bss)
    flags |= SEC_HAS_CONTENTS;

  flags &= ~SEC_RELOC;
  x = bfd_set_section_flags (abfd, sec, flags);
  assert (x);

  newsize = md_section_align (sec, size);
  x = bfd_set_section_size (abfd, sec, newsize);
  assert (x);

  /* If the size had to be rounded up, add some padding in the last
     non-empty frag.  */
  assert (newsize >= size);
  if (size != newsize)
    {
      fragS *last = seginfo->frchainP->frch_last;
      fragp = seginfo->frchainP->frch_root;
      while (fragp->fr_next != last)
       fragp = fragp->fr_next;
      last->fr_address = size;
      if ((newsize - size) % fragp->fr_var == 0)
       fragp->fr_offset += (newsize - size) / fragp->fr_var;
      else
       /* If we hit this abort, it's likely due to subsegs_finish not
          providing sufficient alignment on the last frag, and the
          machine dependent code using alignment frags with fr_var
          greater than 1.  */
       abort ();
    }

#ifdef tc_frob_section
  tc_frob_section (sec);
#endif
#ifdef obj_frob_section
  obj_frob_section (sec);
#endif
}

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void subsegs_finish ( void  )

Definition at line 1409 of file write.c.

{
  struct frchain *frchainP;
  asection *s;

  for (s = stdoutput->sections; s; s = s->next)
    {
      segment_info_type *seginfo = seg_info (s);
      if (!seginfo)
       continue;

      for (frchainP = seginfo->frchainP;
          frchainP != NULL;
          frchainP = frchainP->frch_next)
       {
         int alignment = 0;

         subseg_set (s, frchainP->frch_subseg);

         /* This now gets called even if we had errors.  In that case,
            any alignment is meaningless, and, moreover, will look weird
            if we are generating a listing.  */
         if (!had_errors ())
           {
             alignment = SUB_SEGMENT_ALIGN (now_seg, frchainP);
             if ((bfd_get_section_flags (now_seg->owner, now_seg) & SEC_MERGE)
                && now_seg->entsize)
              {
                unsigned int entsize = now_seg->entsize;
                int entalign = 0;

                while ((entsize & 1) == 0)
                  {
                    ++entalign;
                    entsize >>= 1;
                  }
                if (entalign > alignment)
                  alignment = entalign;
              }
           }

         if (subseg_text_p (now_seg))
           frag_align_code (alignment, 0);
         else
           frag_align (alignment, 0, 0);

         /* frag_align will have left a new frag.
            Use this last frag for an empty ".fill".

            For this segment ...
            Create a last frag. Do not leave a "being filled in frag".  */
         frag_wane (frag_now);
         frag_now->fr_fix = 0;
         know (frag_now->fr_next == NULL);
       }
    }
}

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static void write_contents ( bfd *abfd  ATTRIBUTE_UNUSED,
asection sec,
void *xxx  ATTRIBUTE_UNUSED 
) [static]

Definition at line 1257 of file write.c.

{
  segment_info_type *seginfo = seg_info (sec);
  addressT offset = 0;
  fragS *f;

  /* Write out the frags.  */
  if (seginfo == NULL
      || !(bfd_get_section_flags (abfd, sec) & SEC_HAS_CONTENTS))
    return;

  for (f = seginfo->frchainP->frch_root;
       f;
       f = f->fr_next)
    {
      int x;
      addressT fill_size;
      char *fill_literal;
      offsetT count;

      assert (f->fr_type == rs_fill);
      if (f->fr_fix)
       {
         x = bfd_set_section_contents (stdoutput, sec,
                                   f->fr_literal, (file_ptr) offset,
                                   (bfd_size_type) f->fr_fix);
         if (!x)
           as_fatal (_("can't write %s: %s"), stdoutput->filename,
                    bfd_errmsg (bfd_get_error ()));
         offset += f->fr_fix;
       }
      fill_literal = f->fr_literal + f->fr_fix;
      fill_size = f->fr_var;
      count = f->fr_offset;
      assert (count >= 0);
      if (fill_size && count)
       {
         char buf[256];
         if (fill_size > sizeof (buf))
           {
             /* Do it the old way. Can this ever happen?  */
             while (count--)
              {
                x = bfd_set_section_contents (stdoutput, sec,
                                          fill_literal,
                                          (file_ptr) offset,
                                          (bfd_size_type) fill_size);
                if (!x)
                  as_fatal (_("can't write %s: %s"), stdoutput->filename,
                           bfd_errmsg (bfd_get_error ()));
                offset += fill_size;
              }
           }
         else
           {
             /* Build a buffer full of fill objects and output it as
               often as necessary. This saves on the overhead of
               potentially lots of bfd_set_section_contents calls.  */
             int n_per_buf, i;
             if (fill_size == 1)
              {
                n_per_buf = sizeof (buf);
                memset (buf, *fill_literal, n_per_buf);
              }
             else
              {
                char *bufp;
                n_per_buf = sizeof (buf) / fill_size;
                for (i = n_per_buf, bufp = buf; i; i--, bufp += fill_size)
                  memcpy (bufp, fill_literal, fill_size);
              }
             for (; count > 0; count -= n_per_buf)
              {
                n_per_buf = n_per_buf > count ? count : n_per_buf;
                x = bfd_set_section_contents
                  (stdoutput, sec, buf, (file_ptr) offset,
                   (bfd_size_type) n_per_buf * fill_size);
                if (!x)
                  as_fatal (_("cannot write to output file"));
                offset += n_per_buf * fill_size;
              }
           }
       }
    }
}

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void write_object_file ( void  )

Definition at line 1470 of file write.c.

{
  struct relax_seg_info rsi;
#ifndef WORKING_DOT_WORD
  fragS *fragP;                    /* Track along all frags.  */
#endif

  /* Do we really want to write it?  */
  {
    int n_warns, n_errs;
    n_warns = had_warnings ();
    n_errs = had_errors ();
    /* The -Z flag indicates that an object file should be generated,
       regardless of warnings and errors.  */
    if (flag_always_generate_output)
      {
       if (n_warns || n_errs)
         as_warn (_("%d error%s, %d warning%s, generating bad object file"),
                 n_errs, n_errs == 1 ? "" : "s",
                 n_warns, n_warns == 1 ? "" : "s");
      }
    else
      {
       if (n_errs)
         as_fatal (_("%d error%s, %d warning%s, no object file generated"),
                  n_errs, n_errs == 1 ? "" : "s",
                  n_warns, n_warns == 1 ? "" : "s");
      }
  }

#ifdef OBJ_VMS
  /* Under VMS we try to be compatible with VAX-11 "C".  Thus, we call
     a routine to check for the definition of the procedure "_main",
     and if so -- fix it up so that it can be program entry point.  */
  vms_check_for_main ();
#endif /* OBJ_VMS  */

  /* From now on, we don't care about sub-segments.  Build one frag chain
     for each segment. Linked thru fr_next.  */

  /* Remove the sections created by gas for its own purposes.  */
  {
    int i;

    bfd_section_list_remove (stdoutput, reg_section);
    bfd_section_list_remove (stdoutput, expr_section);
    stdoutput->section_count -= 2;
    i = 0;
    bfd_map_over_sections (stdoutput, renumber_sections, &i);
  }

  bfd_map_over_sections (stdoutput, chain_frchains_together, (char *) 0);

  /* We have two segments. If user gave -R flag, then we must put the
     data frags into the text segment. Do this before relaxing so
     we know to take advantage of -R and make shorter addresses.  */
  if (flag_readonly_data_in_text)
    {
      merge_data_into_text ();
    }

  rsi.pass = 0;
  while (1)
    {
#ifndef WORKING_DOT_WORD
      /* We need to reset the markers in the broken word list and
        associated frags between calls to relax_segment (via
        relax_seg).  Since the broken word list is global, we do it
        once per round, rather than locally in relax_segment for each
        segment.  */
      struct broken_word *brokp;

      for (brokp = broken_words;
          brokp != (struct broken_word *) NULL;
          brokp = brokp->next_broken_word)
       {
         brokp->added = 0;

         if (brokp->dispfrag != (fragS *) NULL
             && brokp->dispfrag->fr_type == rs_broken_word)
           brokp->dispfrag->fr_subtype = 0;
       }
#endif

      rsi.changed = 0;
      bfd_map_over_sections (stdoutput, relax_seg, &rsi);
      rsi.pass++;
      if (!rsi.changed)
       break;
    }

  /* Note - Most ports will use the default value of
     TC_FINALIZE_SYMS_BEFORE_SIZE_SEG, which 1.  This will force
     local symbols to be resolved, removing their frag information.
     Some ports however, will not have finished relaxing all of
     their frags and will still need the local symbol frag
     information.  These ports can set
     TC_FINALIZE_SYMS_BEFORE_SIZE_SEG to 0.  */
  finalize_syms = TC_FINALIZE_SYMS_BEFORE_SIZE_SEG;

  bfd_map_over_sections (stdoutput, size_seg, (char *) 0);

  /* Relaxation has completed.  Freeze all syms.  */
  finalize_syms = 1;

#ifdef md_post_relax_hook
  md_post_relax_hook;
#endif

#ifndef WORKING_DOT_WORD
  {
    struct broken_word *lie;
    struct broken_word **prevP;

    prevP = &broken_words;
    for (lie = broken_words; lie; lie = lie->next_broken_word)
      if (!lie->added)
       {
         expressionS exp;

         subseg_change (lie->seg, lie->subseg);
         exp.X_op = O_subtract;
         exp.X_add_symbol = lie->add;
         exp.X_op_symbol = lie->sub;
         exp.X_add_number = lie->addnum;
#ifdef TC_CONS_FIX_NEW
         TC_CONS_FIX_NEW (lie->frag,
                        lie->word_goes_here - lie->frag->fr_literal,
                        2, &exp);
#else
         fix_new_exp (lie->frag,
                     lie->word_goes_here - lie->frag->fr_literal,
                     2, &exp, 0, BFD_RELOC_16);
#endif
         *prevP = lie->next_broken_word;
       }
      else
       prevP = &(lie->next_broken_word);

    for (lie = broken_words; lie;)
      {
       struct broken_word *untruth;
       char *table_ptr;
       addressT table_addr;
       addressT from_addr, to_addr;
       int n, m;

       subseg_change (lie->seg, lie->subseg);
       fragP = lie->dispfrag;

       /* Find out how many broken_words go here.  */
       n = 0;
       for (untruth = lie;
            untruth && untruth->dispfrag == fragP;
            untruth = untruth->next_broken_word)
         if (untruth->added == 1)
           n++;

       table_ptr = lie->dispfrag->fr_opcode;
       table_addr = (lie->dispfrag->fr_address
                    + (table_ptr - lie->dispfrag->fr_literal));
       /* Create the jump around the long jumps.  This is a short
          jump from table_ptr+0 to table_ptr+n*long_jump_size.  */
       from_addr = table_addr;
       to_addr = table_addr + md_short_jump_size + n * md_long_jump_size;
       md_create_short_jump (table_ptr, from_addr, to_addr, lie->dispfrag,
                           lie->add);
       table_ptr += md_short_jump_size;
       table_addr += md_short_jump_size;

       for (m = 0;
            lie && lie->dispfrag == fragP;
            m++, lie = lie->next_broken_word)
         {
           if (lie->added == 2)
             continue;
           /* Patch the jump table.  */
           /* This is the offset from ??? to table_ptr+0.  */
           to_addr = table_addr - S_GET_VALUE (lie->sub);
#ifdef TC_CHECK_ADJUSTED_BROKEN_DOT_WORD
           TC_CHECK_ADJUSTED_BROKEN_DOT_WORD (to_addr, lie);
#endif
           md_number_to_chars (lie->word_goes_here, to_addr, 2);
           for (untruth = lie->next_broken_word;
               untruth && untruth->dispfrag == fragP;
               untruth = untruth->next_broken_word)
             {
              if (untruth->use_jump == lie)
                md_number_to_chars (untruth->word_goes_here, to_addr, 2);
             }

           /* Install the long jump.  */
           /* This is a long jump from table_ptr+0 to the final target.  */
           from_addr = table_addr;
           to_addr = S_GET_VALUE (lie->add) + lie->addnum;
           md_create_long_jump (table_ptr, from_addr, to_addr, lie->dispfrag,
                             lie->add);
           table_ptr += md_long_jump_size;
           table_addr += md_long_jump_size;
         }
      }
  }
#endif /* not WORKING_DOT_WORD  */

  /* Resolve symbol values.  This needs to be done before processing
     the relocations.  */
  if (symbol_rootP)
    {
      symbolS *symp;

      for (symp = symbol_rootP; symp; symp = symbol_next (symp))
       resolve_symbol_value (symp);
    }
  resolve_local_symbol_values ();
  resolve_reloc_expr_symbols ();

  PROGRESS (1);

#ifdef tc_frob_file_before_adjust
  tc_frob_file_before_adjust ();
#endif
#ifdef obj_frob_file_before_adjust
  obj_frob_file_before_adjust ();
#endif

  bfd_map_over_sections (stdoutput, adjust_reloc_syms, (char *) 0);

#ifdef tc_frob_file_before_fix
  tc_frob_file_before_fix ();
#endif
#ifdef obj_frob_file_before_fix
  obj_frob_file_before_fix ();
#endif

  bfd_map_over_sections (stdoutput, fix_segment, (char *) 0);

  /* Set up symbol table, and write it out.  */
  if (symbol_rootP)
    {
      symbolS *symp;
      bfd_boolean skip_next_symbol = FALSE;

      for (symp = symbol_rootP; symp; symp = symbol_next (symp))
       {
         int punt = 0;
         const char *name;

         if (skip_next_symbol)
           {
             /* Don't do anything besides moving the value of the
               symbol from the GAS value-field to the BFD value-field.  */
             symbol_get_bfdsym (symp)->value = S_GET_VALUE (symp);
             skip_next_symbol = FALSE;
             continue;
           }

         if (symbol_mri_common_p (symp))
           {
             if (S_IS_EXTERNAL (symp))
              as_bad (_("%s: global symbols not supported in common sections"),
                     S_GET_NAME (symp));
             symbol_remove (symp, &symbol_rootP, &symbol_lastP);
             continue;
           }

         name = S_GET_NAME (symp);
         if (name)
           {
             const char *name2 =
              decode_local_label_name ((char *) S_GET_NAME (symp));
             /* They only differ if `name' is a fb or dollar local
               label name.  */
             if (name2 != name && ! S_IS_DEFINED (symp))
              as_bad (_("local label `%s' is not defined"), name2);
           }

         /* Do it again, because adjust_reloc_syms might introduce
            more symbols.  They'll probably only be section symbols,
            but they'll still need to have the values computed.  */
         resolve_symbol_value (symp);

         /* Skip symbols which were equated to undefined or common
            symbols.  */
         if (symbol_equated_reloc_p (symp)
             || S_IS_WEAKREFR (symp))
           {
             const char *name = S_GET_NAME (symp);
             if (S_IS_COMMON (symp)
                && !TC_FAKE_LABEL (name)
                && !S_IS_WEAKREFR (symp)
                && (!S_IS_EXTERNAL (symp) || S_IS_LOCAL (symp)))
              {
                expressionS *e = symbol_get_value_expression (symp);
                as_bad (_("Local symbol `%s' can't be equated to common symbol `%s'"),
                       name, S_GET_NAME (e->X_add_symbol));
              }
             symbol_remove (symp, &symbol_rootP, &symbol_lastP);
             continue;
           }

#ifdef obj_frob_symbol
         obj_frob_symbol (symp, punt);
#endif
#ifdef tc_frob_symbol
         if (! punt || symbol_used_in_reloc_p (symp))
           tc_frob_symbol (symp, punt);
#endif

         /* If we don't want to keep this symbol, splice it out of
            the chain now.  If EMIT_SECTION_SYMBOLS is 0, we never
            want section symbols.  Otherwise, we skip local symbols
            and symbols that the frob_symbol macros told us to punt,
            but we keep such symbols if they are used in relocs.  */
         if (symp == abs_section_sym
             || (! EMIT_SECTION_SYMBOLS
                && symbol_section_p (symp))
             /* Note that S_IS_EXTERNAL and S_IS_LOCAL are not always
               opposites.  Sometimes the former checks flags and the
               latter examines the name...  */
             || (!S_IS_EXTERNAL (symp)
                && (punt || S_IS_LOCAL (symp) ||
                    (S_IS_WEAKREFD (symp) && ! symbol_used_p (symp)))
                && ! symbol_used_in_reloc_p (symp)))
           {
             symbol_remove (symp, &symbol_rootP, &symbol_lastP);

             /* After symbol_remove, symbol_next(symp) still returns
               the one that came after it in the chain.  So we don't
               need to do any extra cleanup work here.  */
             continue;
           }

         /* Make sure we really got a value for the symbol.  */
         if (! symbol_resolved_p (symp))
           {
             as_bad (_("can't resolve value for symbol `%s'"),
                    S_GET_NAME (symp));
             symbol_mark_resolved (symp);
           }

         /* Set the value into the BFD symbol.  Up til now the value
            has only been kept in the gas symbolS struct.  */
         symbol_get_bfdsym (symp)->value = S_GET_VALUE (symp);

         /* A warning construct is a warning symbol followed by the
            symbol warned about.  Don't let anything object-format or
            target-specific muck with it; it's ready for output.  */
         if (symbol_get_bfdsym (symp)->flags & BSF_WARNING)
           skip_next_symbol = TRUE;
       }
    }

  PROGRESS (1);

  /* Now do any format-specific adjustments to the symbol table, such
     as adding file symbols.  */
#ifdef tc_adjust_symtab
  tc_adjust_symtab ();
#endif
#ifdef obj_adjust_symtab
  obj_adjust_symtab ();
#endif

  /* Now that all the sizes are known, and contents correct, we can
     start writing to the file.  */
  set_symtab ();

  /* If *_frob_file changes the symbol value at this point, it is
     responsible for moving the changed value into symp->bsym->value
     as well.  Hopefully all symbol value changing can be done in
     *_frob_symbol.  */
#ifdef tc_frob_file
  tc_frob_file ();
#endif
#ifdef obj_frob_file
  obj_frob_file ();
#endif

  bfd_map_over_sections (stdoutput, write_relocs, (char *) 0);

#ifdef tc_frob_file_after_relocs
  tc_frob_file_after_relocs ();
#endif
#ifdef obj_frob_file_after_relocs
  obj_frob_file_after_relocs ();
#endif

  bfd_map_over_sections (stdoutput, write_contents, (char *) 0);
}

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void write_print_statistics ( FILE *  file)

Definition at line 2477 of file write.c.

{
  fprintf (file, "fixups: %d\n", n_fixups);
}

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static void write_relocs ( bfd abfd,
asection sec,
void *xxx  ATTRIBUTE_UNUSED 
) [static]

Definition at line 1108 of file write.c.

{
  segment_info_type *seginfo = seg_info (sec);
  unsigned int i;
  unsigned int n;
  struct reloc_list *my_reloc_list, **rp, *r;
  arelent **relocs;
  fixS *fixp;

  /* If seginfo is NULL, we did not create this section; don't do
     anything with it.  */
  if (seginfo == NULL)
    return;

  n = 0;
  for (fixp = seginfo->fix_root; fixp; fixp = fixp->fx_next)
    if (!fixp->fx_done)
      n++;

#ifdef RELOC_EXPANSION_POSSIBLE
  n *= MAX_RELOC_EXPANSION;
#endif

  /* Extract relocs for this section from reloc_list.  */
  rp = &reloc_list;
  my_reloc_list = NULL;
  while ((r = *rp) != NULL)
    {
      if (r->u.b.sec == sec)
       {
         *rp = r->next;
         r->next = my_reloc_list;
         my_reloc_list = r;
         n++;
       }
      else
       rp = &r->next;
    }

  relocs = xcalloc (n, sizeof (arelent *));

  i = 0;
  for (fixp = seginfo->fix_root; fixp != (fixS *) NULL; fixp = fixp->fx_next)
    {
      int j;
      int fx_size, slack;
      offsetT loc;

      if (fixp->fx_done)
       continue;

      fx_size = fixp->fx_size;
      slack = TC_FX_SIZE_SLACK (fixp);
      if (slack > 0)
       fx_size = fx_size > slack ? fx_size - slack : 0;
      loc = fixp->fx_where + fx_size;
      if (slack >= 0 && loc > fixp->fx_frag->fr_fix)
       as_bad_where (fixp->fx_file, fixp->fx_line,
                    _("internal error: fixup not contained within frag"));

#ifndef RELOC_EXPANSION_POSSIBLE
      {
       arelent *reloc = tc_gen_reloc (sec, fixp);

       if (!reloc)
         continue;
       relocs[i++] = reloc;
       j = 1;
      }
#else
      {
       arelent **reloc = tc_gen_reloc (sec, fixp);

       for (j = 0; reloc[j]; j++)
         relocs[i++] = reloc[j];
      }
#endif

      for ( ; j != 0; --j)
       install_reloc (sec, relocs[i - j], fixp->fx_frag,
                     fixp->fx_file, fixp->fx_line);
    }
  n = i;

#ifdef DEBUG4
  {
    unsigned int i, j, nsyms;
    asymbol **sympp;
    sympp = bfd_get_outsymbols (stdoutput);
    nsyms = bfd_get_symcount (stdoutput);
    for (i = 0; i < n; i++)
      if (((*relocs[i]->sym_ptr_ptr)->flags & BSF_SECTION_SYM) == 0)
       {
         for (j = 0; j < nsyms; j++)
           if (sympp[j] == *relocs[i]->sym_ptr_ptr)
             break;
         if (j == nsyms)
           abort ();
       }
  }
#endif

  for (r = my_reloc_list; r != NULL; r = r->next)
    {
      fragS *f;
      for (f = seginfo->frchainP->frch_root; f; f = f->fr_next)
       if (f->fr_address <= r->u.b.r.address
           && r->u.b.r.address < f->fr_address + f->fr_fix)
         break;
      if (f == NULL)
       as_bad_where (r->file, r->line,
                    _("reloc not within (fixed part of) section"));
      else
       {
         relocs[n++] = &r->u.b.r;
         install_reloc (sec, &r->u.b.r, f, r->file, r->line);
       }
    }

  if (n)
    {
      flagword flags = bfd_get_section_flags (abfd, sec);
      flags |= SEC_RELOC;
      bfd_set_section_flags (abfd, sec, flags);
      bfd_set_reloc (stdoutput, sec, relocs, n);
    }

#ifdef SET_SECTION_RELOCS
  SET_SECTION_RELOCS (sec, relocs, n);
#endif

#ifdef DEBUG3
  {
    unsigned int i;
    arelent *r;
    asymbol *s;
    fprintf (stderr, "relocs for sec %s\n", sec->name);
    for (i = 0; i < n; i++)
      {
       r = relocs[i];
       s = *r->sym_ptr_ptr;
       fprintf (stderr, "  reloc %2d @%p off %4lx : sym %-10s addend %lx\n",
               i, r, (unsigned long)r->address, s->name, (unsigned long)r->addend);
      }
  }
#endif
}

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Variable Documentation

symbolS* abs_section_sym

Definition at line 115 of file write.c.

Definition at line 118 of file write.c.

Definition at line 111 of file write.c.

int frags_chained = 0 [static]

Definition at line 129 of file write.c.

Definition at line 2719 of file symbols.c.

int n_fixups [static]

Definition at line 131 of file write.c.

Definition at line 121 of file write.c.

Definition at line 113 of file write.c.