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[/] [openrisc/] [trunk/] [gnu-stable/] [binutils-2.20.1/] [gas/] [write.h] - Diff between revs 816 and 818

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/* write.h
/* write.h
   Copyright 1987, 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2000, 2001,
   Copyright 1987, 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2000, 2001,
   2002, 2003, 2005, 2006, 2007
   2002, 2003, 2005, 2006, 2007
   Free Software Foundation, Inc.
   Free Software Foundation, Inc.
 
 
   This file is part of GAS, the GNU Assembler.
   This file is part of GAS, the GNU Assembler.
 
 
   GAS is free software; you can redistribute it and/or modify
   GAS is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3, or (at your option)
   the Free Software Foundation; either version 3, or (at your option)
   any later version.
   any later version.
 
 
   GAS is distributed in the hope that it will be useful,
   GAS is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   GNU General Public License for more details.
 
 
   You should have received a copy of the GNU General Public License
   You should have received a copy of the GNU General Public License
   along with GAS; see the file COPYING.  If not, write to the Free
   along with GAS; see the file COPYING.  If not, write to the Free
   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
   02110-1301, USA.  */
   02110-1301, USA.  */
 
 
#ifndef __write_h__
#ifndef __write_h__
#define __write_h__
#define __write_h__
 
 
/* This is the name of a fake symbol which will never appear in the
/* This is the name of a fake symbol which will never appear in the
   assembler output.  S_IS_LOCAL detects it because of the \001.  */
   assembler output.  S_IS_LOCAL detects it because of the \001.  */
#ifndef FAKE_LABEL_NAME
#ifndef FAKE_LABEL_NAME
#define FAKE_LABEL_NAME "L0\001"
#define FAKE_LABEL_NAME "L0\001"
#endif
#endif
 
 
#include "bit_fix.h"
#include "bit_fix.h"
 
 
/*
/*
 * FixSs may be built up in any order.
 * FixSs may be built up in any order.
 */
 */
 
 
struct fix
struct fix
{
{
  /* These small fields are grouped together for compactness of
  /* These small fields are grouped together for compactness of
     this structure, and efficiency of access on some architectures.  */
     this structure, and efficiency of access on some architectures.  */
 
 
  /* Is this a pc-relative relocation?  */
  /* Is this a pc-relative relocation?  */
  unsigned fx_pcrel : 1;
  unsigned fx_pcrel : 1;
 
 
  /* Is this value an immediate displacement?  */
  /* Is this value an immediate displacement?  */
  /* Only used on ns32k; merge it into TC_FIX_TYPE sometime.  */
  /* Only used on ns32k; merge it into TC_FIX_TYPE sometime.  */
  unsigned fx_im_disp : 2;
  unsigned fx_im_disp : 2;
 
 
  /* Some bits for the CPU specific code.  */
  /* Some bits for the CPU specific code.  */
  unsigned fx_tcbit : 1;
  unsigned fx_tcbit : 1;
  unsigned fx_tcbit2 : 1;
  unsigned fx_tcbit2 : 1;
 
 
  /* Has this relocation already been applied?  */
  /* Has this relocation already been applied?  */
  unsigned fx_done : 1;
  unsigned fx_done : 1;
 
 
  /* Suppress overflow complaints on large addends.  This is used
  /* Suppress overflow complaints on large addends.  This is used
     in the PowerPC ELF config to allow large addends on the
     in the PowerPC ELF config to allow large addends on the
     BFD_RELOC_{LO16,HI16,HI16_S} relocations.
     BFD_RELOC_{LO16,HI16,HI16_S} relocations.
 
 
     @@ Can this be determined from BFD?  */
     @@ Can this be determined from BFD?  */
  unsigned fx_no_overflow : 1;
  unsigned fx_no_overflow : 1;
 
 
  /* The value is signed when checking for overflow.  */
  /* The value is signed when checking for overflow.  */
  unsigned fx_signed : 1;
  unsigned fx_signed : 1;
 
 
  /* pc-relative offset adjust (only used by m68k and m68hc11) */
  /* pc-relative offset adjust (only used by m68k and m68hc11) */
  char fx_pcrel_adjust;
  char fx_pcrel_adjust;
 
 
  /* How many bytes are involved? */
  /* How many bytes are involved? */
  unsigned char fx_size;
  unsigned char fx_size;
 
 
  /* Which frag does this fix apply to?  */
  /* Which frag does this fix apply to?  */
  fragS *fx_frag;
  fragS *fx_frag;
 
 
  /* Where is the first byte to fix up?  */
  /* Where is the first byte to fix up?  */
  long fx_where;
  long fx_where;
 
 
  /* NULL or Symbol whose value we add in.  */
  /* NULL or Symbol whose value we add in.  */
  symbolS *fx_addsy;
  symbolS *fx_addsy;
 
 
  /* NULL or Symbol whose value we subtract.  */
  /* NULL or Symbol whose value we subtract.  */
  symbolS *fx_subsy;
  symbolS *fx_subsy;
 
 
  /* Absolute number we add in.  */
  /* Absolute number we add in.  */
  valueT fx_offset;
  valueT fx_offset;
 
 
  /* The value of dot when the fixup expression was parsed.  */
  /* The value of dot when the fixup expression was parsed.  */
  addressT fx_dot_value;
  addressT fx_dot_value;
 
 
  /* Next fixS in linked list, or NULL.  */
  /* Next fixS in linked list, or NULL.  */
  struct fix *fx_next;
  struct fix *fx_next;
 
 
  /* If NULL, no bitfix's to do.  */
  /* If NULL, no bitfix's to do.  */
  /* Only i960-coff and ns32k use this, and i960-coff stores an
  /* Only i960-coff and ns32k use this, and i960-coff stores an
     integer.  This can probably be folded into tc_fix_data, below.
     integer.  This can probably be folded into tc_fix_data, below.
     @@ Alpha also uses it, but only to disable certain relocation
     @@ Alpha also uses it, but only to disable certain relocation
     processing.  */
     processing.  */
  bit_fixS *fx_bit_fixP;
  bit_fixS *fx_bit_fixP;
 
 
  bfd_reloc_code_real_type fx_r_type;
  bfd_reloc_code_real_type fx_r_type;
 
 
  /* This field is sort of misnamed.  It appears to be a sort of random
  /* This field is sort of misnamed.  It appears to be a sort of random
     scratch field, for use by the back ends.  The main gas code doesn't
     scratch field, for use by the back ends.  The main gas code doesn't
     do anything but initialize it to zero.  The use of it does need to
     do anything but initialize it to zero.  The use of it does need to
     be coordinated between the cpu and format files, though.  E.g., some
     be coordinated between the cpu and format files, though.  E.g., some
     coff targets pass the `addend' field from the cpu file via this
     coff targets pass the `addend' field from the cpu file via this
     field.  I don't know why the `fx_offset' field above can't be used
     field.  I don't know why the `fx_offset' field above can't be used
     for that; investigate later and document. KR  */
     for that; investigate later and document. KR  */
  valueT fx_addnumber;
  valueT fx_addnumber;
 
 
  /* The location of the instruction which created the reloc, used
  /* The location of the instruction which created the reloc, used
     in error messages.  */
     in error messages.  */
  char *fx_file;
  char *fx_file;
  unsigned fx_line;
  unsigned fx_line;
 
 
#ifdef USING_CGEN
#ifdef USING_CGEN
  struct {
  struct {
    /* CGEN_INSN entry for this instruction.  */
    /* CGEN_INSN entry for this instruction.  */
    const struct cgen_insn *insn;
    const struct cgen_insn *insn;
    /* Target specific data, usually reloc number.  */
    /* Target specific data, usually reloc number.  */
    int opinfo;
    int opinfo;
    /* Which ifield this fixup applies to. */
    /* Which ifield this fixup applies to. */
    struct cgen_maybe_multi_ifield * field;
    struct cgen_maybe_multi_ifield * field;
    /* is this field is the MSB field in a set? */
    /* is this field is the MSB field in a set? */
    int msb_field_p;
    int msb_field_p;
  } fx_cgen;
  } fx_cgen;
#endif
#endif
 
 
#ifdef TC_FIX_TYPE
#ifdef TC_FIX_TYPE
  /* Location where a backend can attach additional data
  /* Location where a backend can attach additional data
     needed to perform fixups.  */
     needed to perform fixups.  */
  TC_FIX_TYPE tc_fix_data;
  TC_FIX_TYPE tc_fix_data;
#endif
#endif
};
};
 
 
typedef struct fix fixS;
typedef struct fix fixS;
 
 
struct reloc_list
struct reloc_list
{
{
  struct reloc_list *next;
  struct reloc_list *next;
  union
  union
  {
  {
    struct
    struct
    {
    {
      symbolS *offset_sym;
      symbolS *offset_sym;
      reloc_howto_type *howto;
      reloc_howto_type *howto;
      symbolS *sym;
      symbolS *sym;
      bfd_vma addend;
      bfd_vma addend;
    } a;
    } a;
    struct
    struct
    {
    {
      asection *sec;
      asection *sec;
      asymbol *s;
      asymbol *s;
      arelent r;
      arelent r;
    } b;
    } b;
  } u;
  } u;
  char *file;
  char *file;
  unsigned int line;
  unsigned int line;
};
};
 
 
extern int finalize_syms;
extern int finalize_syms;
extern symbolS *abs_section_sym;
extern symbolS *abs_section_sym;
extern addressT dot_value;
extern addressT dot_value;
extern struct reloc_list* reloc_list;
extern struct reloc_list* reloc_list;
 
 
extern void append (char **charPP, char *fromP, unsigned long length);
extern void append (char **charPP, char *fromP, unsigned long length);
extern void record_alignment (segT seg, int align);
extern void record_alignment (segT seg, int align);
extern int get_recorded_alignment (segT seg);
extern int get_recorded_alignment (segT seg);
extern void subsegs_finish (void);
extern void subsegs_finish (void);
extern void write_object_file (void);
extern void write_object_file (void);
extern long relax_frag (segT, fragS *, long);
extern long relax_frag (segT, fragS *, long);
extern int relax_segment (struct frag *, segT, int);
extern int relax_segment (struct frag *, segT, int);
extern void number_to_chars_littleendian (char *, valueT, int);
extern void number_to_chars_littleendian (char *, valueT, int);
extern void number_to_chars_bigendian (char *, valueT, int);
extern void number_to_chars_bigendian (char *, valueT, int);
extern fixS *fix_new
extern fixS *fix_new
  (fragS * frag, int where, int size, symbolS * add_symbol,
  (fragS * frag, int where, int size, symbolS * add_symbol,
   offsetT offset, int pcrel, bfd_reloc_code_real_type r_type);
   offsetT offset, int pcrel, bfd_reloc_code_real_type r_type);
extern fixS *fix_at_start
extern fixS *fix_at_start
  (fragS * frag, int size, symbolS * add_symbol,
  (fragS * frag, int size, symbolS * add_symbol,
   offsetT offset, int pcrel, bfd_reloc_code_real_type r_type);
   offsetT offset, int pcrel, bfd_reloc_code_real_type r_type);
extern fixS *fix_new_exp
extern fixS *fix_new_exp
  (fragS * frag, int where, int size, expressionS *exp, int pcrel,
  (fragS * frag, int where, int size, expressionS *exp, int pcrel,
   bfd_reloc_code_real_type r_type);
   bfd_reloc_code_real_type r_type);
extern void write_print_statistics (FILE *);
extern void write_print_statistics (FILE *);
 
 
#endif /* __write_h__ */
#endif /* __write_h__ */
 
 

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