120 lines
4.2 KiB
C
120 lines
4.2 KiB
C
|
/* tc-mep.h -- Header file for tc-mep.c.
|
||
|
|
Copyright (C) 2001-2022 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)
|
||
|
|
|
||
|
|
#define tc_frob_file() mep_frob_file ()
|
||
|
|
extern void mep_frob_file (void);
|
||
|
|
|
||
|
|
#define tc_fix_adjustable(fixP) mep_fix_adjustable (fixP)
|
||
|
|
extern bool 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(STR, NUL_CHAR, NEXT_CHAR) \
|
||
|
|
(NEXT_CHAR == ':' && 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, const 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 instruction in
|
||
|
|
a parallelization group. */
|
||
|
|
typedef enum exp_par_insn_{FIRST, SECOND} EXP_PAR_INSN;
|