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Diffstat (limited to 'gas/config/tc-mep.h')
-rw-r--r-- | gas/config/tc-mep.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/gas/config/tc-mep.h b/gas/config/tc-mep.h new file mode 100644 index 0000000..1d48bd4 --- /dev/null +++ b/gas/config/tc-mep.h @@ -0,0 +1,119 @@ +/* tc-mep.h -- Header file for tc-mep.c. + Copyright (C) 2001, 2002, 2005 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 2, 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 1 + +/* Permit temporary numeric labels. */ +#define LOCAL_LABELS_FB 1 + +/* .-foo gets turned into PC relative relocs. */ +#define DIFF_EXPR_OK + +/* 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 + +/* 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) + +#define skip_whitespace(str) while (*(str) == ' ') ++(str) + +/* 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, 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 int mep_elf_section_letter (int, char **); +#define md_elf_section_flags mep_elf_section_flags +extern flagword mep_elf_section_flags (flagword, int, 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; |