Subversion Repositories openrisc_2011-10-31

/* tc-mep.h -- Header file for tc-mep.c.

   Copyright (C) 2001, 2002, 2005, 2007, 2009 Free Software Foundation, Inc.

   This file is part of GAS, the GNU Assembler.

   GAS is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3, or (at your option)

   any later version.

   GAS is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   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 Software Foundation, 51 Franklin Street, Fifth Floor,

   Boston, MA 02110-1301, USA. */

#define TC_MEP

/* Support computed relocations.  */

#define OBJ_COMPLEX_RELC

/* Support many operands per instruction.  */

#define GAS_CGEN_MAX_FIXUPS 10

#define LISTING_HEADER "MEP GAS "

/* The target BFD architecture.  */

#define TARGET_ARCH bfd_arch_mep

#define TARGET_FORMAT (target_big_endian ? "elf32-mep" : "elf32-mep-little")

/* This is the default.  */

#define TARGET_BYTES_BIG_ENDIAN 0

/* Permit temporary numeric labels. */

#define LOCAL_LABELS_FB 1

/* Do not define DIFF_EXPR_OK - the MeP does not have a 32-bit PC-relative reloc.  */

/* We don't need to handle .word strangely.  */

#define WORKING_DOT_WORD

/* Values passed to md_apply_fix don't include the symbol value.  */

#define MD_APPLY_SYM_VALUE(FIX) 0

#define MD_APPLY_FIX

#define md_apply_fix mep_apply_fix

extern void mep_apply_fix (struct fix *, valueT *, segT);

/* Call md_pcrel_from_section(), not md_pcrel_from().  */

#define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section (FIXP, SEC)

extern long md_pcrel_from_section (struct fix *, segT);

#define tc_frob_file() mep_frob_file ()

extern void mep_frob_file (void);

#define tc_fix_adjustable(fixP) mep_fix_adjustable (fixP)

extern bfd_boolean mep_fix_adjustable (struct fix *);

/* After creating a fixup for an instruction operand, we need

   to check for HI16 relocs and queue them up for later sorting.  */

#define md_cgen_record_fixup_exp  mep_cgen_record_fixup_exp

/* When relaxing, we need to emit various relocs we otherwise wouldn't.  */

#define TC_FORCE_RELOCATION(fix) mep_force_relocation (fix)

extern int mep_force_relocation (struct fix *);

#define tc_gen_reloc gas_cgen_tc_gen_reloc

extern void gas_cgen_md_operand (expressionS *);

#define md_operand(x) gas_cgen_md_operand (x)

#define md_flush_pending_output() mep_flush_pending_output()

extern int mep_flush_pending_output(void);

extern const struct relax_type md_relax_table[];

#define TC_GENERIC_RELAX_TABLE md_relax_table

extern long mep_relax_frag (segT, fragS *, long);

#define md_relax_frag mep_relax_frag

/* Account for inserting a jmp after the insn.  */

#define TC_CGEN_MAX_RELAX(insn, len) ((len) + 4)

extern void mep_prepare_relax_scan (fragS *, offsetT *, relax_substateT);

#define md_prepare_relax_scan(FRAGP, ADDR, AIM, STATE, TYPE) \

        mep_prepare_relax_scan (FRAGP, &AIM, STATE)

/* Support for core/vliw mode switching.  */

#define CORE 0

#define VLIW 1

#define MAX_PARALLEL_INSNS 56 /* From email from Toshiba.  */

#define VTEXT_SECTION_NAME ".vtext"

/* Needed to process pending instructions when a label is encountered.  */

#define TC_START_LABEL(ch, s, ptr)    ((ch == ':') && mep_flush_pending_output ())

#define tc_unrecognized_line(c) mep_unrecognized_line (c)

extern int mep_unrecognized_line (int);

#define md_cleanup mep_cleanup

extern void mep_cleanup (void);

#define md_elf_section_letter           mep_elf_section_letter

extern bfd_vma mep_elf_section_letter (int, char **);

#define md_elf_section_flags            mep_elf_section_flags

extern flagword mep_elf_section_flags  (flagword, bfd_vma, int);

#define ELF_TC_SPECIAL_SECTIONS \

  { VTEXT_SECTION_NAME, SHT_PROGBITS, SHF_ALLOC|SHF_EXECINSTR|SHF_MEP_VLIW },

/* The values of the following enum are for use with parinsnum, which

   is a variable in md_assemble that keeps track of whether or not the

   next instruction is expected to be the first or second instrucion in

   a parallelization group.  */

typedef enum exp_par_insn_{FIRST, SECOND} EXP_PAR_INSN;