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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [gas/] [config/] [tc-alpha.h] - Blame information for rev 21

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/* This file is tc-alpha.h
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   Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
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   2005, 2006, 2007, 2009
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   Free Software Foundation, Inc.
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   Written by Ken Raeburn <raeburn@cygnus.com>.
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   This file is part of GAS, the GNU Assembler.
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   GAS is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 3, or (at your option)
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   any later version.
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   GAS is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with GAS; see the file COPYING.  If not, write to the Free
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   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
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   02110-1301, USA.  */
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#define TC_ALPHA
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#define TARGET_BYTES_BIG_ENDIAN 0
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#define WORKING_DOT_WORD
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#define TARGET_ARCH                     bfd_arch_alpha
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#ifdef TE_FreeBSD
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#define ELF_TARGET_FORMAT       "elf64-alpha-freebsd"
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#endif
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#ifndef ELF_TARGET_FORMAT
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#define ELF_TARGET_FORMAT       "elf64-alpha"
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#endif
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#define TARGET_FORMAT (OUTPUT_FLAVOR == bfd_target_ecoff_flavour        \
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                       ? "ecoff-littlealpha"                            \
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                       : OUTPUT_FLAVOR == bfd_target_elf_flavour        \
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                       ? ELF_TARGET_FORMAT                              \
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                       : OUTPUT_FLAVOR == bfd_target_evax_flavour       \
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                       ? "vms-alpha"                                    \
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                       : "unknown-format")
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#define NEED_LITERAL_POOL
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#define REPEAT_CONS_EXPRESSIONS
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struct fix;
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struct alpha_reloc_tag;
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extern int alpha_force_relocation (struct fix *);
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extern int alpha_fix_adjustable   (struct fix *);
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extern unsigned long alpha_gprmask, alpha_fprmask;
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extern valueT alpha_gp_value;
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#define TC_FORCE_RELOCATION(FIX)        alpha_force_relocation (FIX)
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#define tc_fix_adjustable(FIX)          alpha_fix_adjustable (FIX)
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#define RELOC_REQUIRES_SYMBOL
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/* Values passed to md_apply_fix don't include the symbol value.  */
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#define MD_APPLY_SYM_VALUE(FIX) 0
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#define md_convert_frag(b,s,f)          as_fatal ("alpha convert_frag\n")
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#define md_estimate_size_before_relax(f,s) \
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                        (as_fatal ("estimate_size_before_relax called"),1)
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#define md_operand(x)
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#ifdef OBJ_EVAX
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#define TC_VALIDATE_FIX_SUB(FIX, SEG) 1
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#define tc_canonicalize_symbol_name evax_shorten_name
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#define TC_CONS_FIX_NEW(FRAG,OFF,LEN,EXP) \
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      fix_new_exp (FRAG, OFF, (int)LEN, EXP, 0, \
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        LEN == 2 ? BFD_RELOC_16 \
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        : LEN == 4 ? BFD_RELOC_32 \
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        : LEN == 8 ? BFD_RELOC_64 \
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        : BFD_RELOC_ALPHA_LINKAGE);
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#endif
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#ifdef OBJ_EVAX
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#define TC_IMPLICIT_LCOMM_ALIGNMENT(SIZE, P2VAR) (P2VAR) = 3
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#else
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#define TC_IMPLICIT_LCOMM_ALIGNMENT(size, align) \
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  do                                                    \
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    {                                                   \
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      align = 0;                                 \
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      if (size > 1)                                     \
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        {                                               \
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          addressT temp = 1;                            \
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          while ((size & temp) == 0)                     \
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            ++align, temp <<= 1;                        \
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        }                                               \
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    }                                                   \
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  while (0)
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#endif
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#define md_number_to_chars              number_to_chars_littleendian
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extern int tc_get_register (int);
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extern void alpha_frob_ecoff_data (void);
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#define tc_frob_label(sym) alpha_define_label (sym)
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extern void alpha_define_label (symbolS *);
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#define md_cons_align(nbytes) alpha_cons_align (nbytes)
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extern void alpha_cons_align (int);
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#define HANDLE_ALIGN(fragp) alpha_handle_align (fragp)
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extern void alpha_handle_align (struct frag *);
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#define MAX_MEM_FOR_RS_ALIGN_CODE  (3 + 4 + 8)
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#ifdef OBJ_ECOFF
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#define tc_frob_file_before_adjust() alpha_frob_file_before_adjust ()
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extern void alpha_frob_file_before_adjust (void);
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#endif
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#define DIFF_EXPR_OK   /* foo-. gets turned into PC relative relocs.  */
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#ifdef OBJ_ELF
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#define md_elf_section_letter           alpha_elf_section_letter
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extern bfd_vma alpha_elf_section_letter (int, char **);
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#define md_elf_section_flags            alpha_elf_section_flags
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extern flagword alpha_elf_section_flags (flagword, bfd_vma, int);
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#endif
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/* Whether to add support for explicit !relocation_op!sequence_number.  At the
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   moment, only do this for ELF, though ECOFF could use it as well.  */
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#ifdef OBJ_ELF
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#define RELOC_OP_P
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#endif
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#ifndef OBJ_EVAX
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/* Before the relocations are written, reorder them, so that user
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   supplied !lituse relocations follow the appropriate !literal
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   relocations.  Also convert the gas-internal relocations to the
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   appropriate linker relocations.  */
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#define tc_frob_file_before_fix() alpha_before_fix ()
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extern void alpha_before_fix (void);
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#endif
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#ifdef OBJ_ELF
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#define md_end  alpha_elf_md_end
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extern void alpha_elf_md_end (void);
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#endif
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/* New fields for supporting explicit relocations (such as !literal to mark
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   where a pointer is loaded from the global table, and !lituse_base to track
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   all of the normal uses of that pointer).  */
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#define TC_FIX_TYPE struct alpha_fix_tag
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struct alpha_fix_tag
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{
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  struct fix *next_reloc;               /* Next !lituse or !gpdisp.  */
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  struct alpha_reloc_tag *info;         /* Other members with same sequence.  */
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};
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/* Initialize the TC_FIX_TYPE field.  */
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#define TC_INIT_FIX_DATA(FIX)                                           \
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do {                                                                    \
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  FIX->tc_fix_data.next_reloc = NULL;                                   \
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  FIX->tc_fix_data.info = NULL;                                         \
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} while (0)
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/* Work with DEBUG5 to print fields in tc_fix_type.  */
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#define TC_FIX_DATA_PRINT(STREAM, FIX)                                  \
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do {                                                                    \
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  if (FIX->tc_fix_data.info)                                            \
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    fprintf (STREAM, "\tinfo = 0x%lx, next_reloc = 0x%lx\n", \
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             (long) FIX->tc_fix_data.info,                              \
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             (long) FIX->tc_fix_data.next_reloc);                       \
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} while (0)
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#define TARGET_USE_CFIPOP 1
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#define tc_cfi_frame_initial_instructions alpha_cfi_frame_initial_instructions
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extern void alpha_cfi_frame_initial_instructions (void);
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#define DWARF2_LINE_MIN_INSN_LENGTH     4
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#define DWARF2_DEFAULT_RETURN_COLUMN    26
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#define DWARF2_CIE_DATA_ALIGNMENT       (-8)

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