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120 lines
4.2 KiB
C
120 lines
4.2 KiB
C
/* tc-mep.h -- Header file for tc-mep.c.
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Copyright (C) 2001, 2002, 2005, 2007, 2009 Free Software Foundation, Inc.
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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
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the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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#define TC_MEP
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/* Support computed relocations. */
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#define OBJ_COMPLEX_RELC
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/* Support many operands per instruction. */
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#define GAS_CGEN_MAX_FIXUPS 10
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#define LISTING_HEADER "MEP GAS "
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/* The target BFD architecture. */
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#define TARGET_ARCH bfd_arch_mep
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#define TARGET_FORMAT (target_big_endian ? "elf32-mep" : "elf32-mep-little")
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/* This is the default. */
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#define TARGET_BYTES_BIG_ENDIAN 0
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/* Permit temporary numeric labels. */
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#define LOCAL_LABELS_FB 1
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/* Do not define DIFF_EXPR_OK - the MeP does not have a 32-bit PC-relative reloc. */
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/* We don't need to handle .word strangely. */
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#define WORKING_DOT_WORD
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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_APPLY_FIX
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#define md_apply_fix mep_apply_fix
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extern void mep_apply_fix (struct fix *, valueT *, segT);
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/* Call md_pcrel_from_section(), not md_pcrel_from(). */
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#define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section (FIXP, SEC)
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extern long md_pcrel_from_section (struct fix *, segT);
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#define tc_frob_file() mep_frob_file ()
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extern void mep_frob_file (void);
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#define tc_fix_adjustable(fixP) mep_fix_adjustable (fixP)
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extern bfd_boolean mep_fix_adjustable (struct fix *);
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/* After creating a fixup for an instruction operand, we need
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to check for HI16 relocs and queue them up for later sorting. */
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#define md_cgen_record_fixup_exp mep_cgen_record_fixup_exp
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/* When relaxing, we need to emit various relocs we otherwise wouldn't. */
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#define TC_FORCE_RELOCATION(fix) mep_force_relocation (fix)
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extern int mep_force_relocation (struct fix *);
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#define tc_gen_reloc gas_cgen_tc_gen_reloc
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extern void gas_cgen_md_operand (expressionS *);
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#define md_operand(x) gas_cgen_md_operand (x)
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#define md_flush_pending_output() mep_flush_pending_output()
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extern int mep_flush_pending_output(void);
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extern const struct relax_type md_relax_table[];
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#define TC_GENERIC_RELAX_TABLE md_relax_table
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extern long mep_relax_frag (segT, fragS *, long);
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#define md_relax_frag mep_relax_frag
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/* Account for inserting a jmp after the insn. */
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#define TC_CGEN_MAX_RELAX(insn, len) ((len) + 4)
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extern void mep_prepare_relax_scan (fragS *, offsetT *, relax_substateT);
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#define md_prepare_relax_scan(FRAGP, ADDR, AIM, STATE, TYPE) \
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mep_prepare_relax_scan (FRAGP, &AIM, STATE)
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/* Support for core/vliw mode switching. */
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#define CORE 0
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#define VLIW 1
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#define MAX_PARALLEL_INSNS 56 /* From email from Toshiba. */
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#define VTEXT_SECTION_NAME ".vtext"
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/* Needed to process pending instructions when a label is encountered. */
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#define TC_START_LABEL(ch, s, ptr) ((ch == ':') && mep_flush_pending_output ())
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#define tc_unrecognized_line(c) mep_unrecognized_line (c)
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extern int mep_unrecognized_line (int);
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#define md_cleanup mep_cleanup
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extern void mep_cleanup (void);
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#define md_elf_section_letter mep_elf_section_letter
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extern bfd_vma mep_elf_section_letter (int, char **);
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#define md_elf_section_flags mep_elf_section_flags
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extern flagword mep_elf_section_flags (flagword, bfd_vma, int);
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#define ELF_TC_SPECIAL_SECTIONS \
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{ VTEXT_SECTION_NAME, SHT_PROGBITS, SHF_ALLOC|SHF_EXECINSTR|SHF_MEP_VLIW },
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/* The values of the following enum are for use with parinsnum, which
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is a variable in md_assemble that keeps track of whether or not the
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next instruction is expected to be the first or second instrucion in
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a parallelization group. */
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typedef enum exp_par_insn_{FIRST, SECOND} EXP_PAR_INSN;
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