tc-mep.h revision 214634
1/* tc-mep.h -- Header file for tc-mep.c. 2 Copyright (C) 2001, 2002, 2005 Free Software Foundation, Inc. 3 4 This file is part of GAS, the GNU Assembler. 5 6 GAS is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 2, or (at your option) 9 any later version. 10 11 GAS is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GAS; see the file COPYING. If not, write to 18 the Free Software Foundation, 51 Franklin Street, Fifth Floor, 19 Boston, MA 02110-1301, USA. */ 20 21#define TC_MEP 22 23/* Support computed relocations. */ 24#define OBJ_COMPLEX_RELC 25 26/* Support many operands per instruction. */ 27#define GAS_CGEN_MAX_FIXUPS 10 28 29#define LISTING_HEADER "MEP GAS " 30 31/* The target BFD architecture. */ 32#define TARGET_ARCH bfd_arch_mep 33 34#define TARGET_FORMAT (target_big_endian ? "elf32-mep" : "elf32-mep-little") 35 36/* This is the default. */ 37#define TARGET_BYTES_BIG_ENDIAN 1 38 39/* Permit temporary numeric labels. */ 40#define LOCAL_LABELS_FB 1 41 42/* .-foo gets turned into PC relative relocs. */ 43#define DIFF_EXPR_OK 44 45/* We don't need to handle .word strangely. */ 46#define WORKING_DOT_WORD 47 48/* Values passed to md_apply_fix don't include the symbol value. */ 49#define MD_APPLY_SYM_VALUE(FIX) 0 50 51#define MD_APPLY_FIX 52#define md_apply_fix mep_apply_fix 53extern void mep_apply_fix (struct fix *, valueT *, segT); 54 55/* Call md_pcrel_from_section(), not md_pcrel_from(). */ 56#define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section (FIXP, SEC) 57extern long md_pcrel_from_section (struct fix *, segT); 58 59#define tc_frob_file() mep_frob_file () 60extern void mep_frob_file (void); 61 62#define tc_fix_adjustable(fixP) mep_fix_adjustable (fixP) 63extern bfd_boolean mep_fix_adjustable (struct fix *); 64 65/* After creating a fixup for an instruction operand, we need 66 to check for HI16 relocs and queue them up for later sorting. */ 67#define md_cgen_record_fixup_exp mep_cgen_record_fixup_exp 68 69/* When relaxing, we need to emit various relocs we otherwise wouldn't. */ 70#define TC_FORCE_RELOCATION(fix) mep_force_relocation (fix) 71extern int mep_force_relocation (struct fix *); 72 73#define tc_gen_reloc gas_cgen_tc_gen_reloc 74 75extern void gas_cgen_md_operand (expressionS *); 76#define md_operand(x) gas_cgen_md_operand (x) 77 78#define md_flush_pending_output() mep_flush_pending_output() 79extern int mep_flush_pending_output(void); 80 81extern const struct relax_type md_relax_table[]; 82#define TC_GENERIC_RELAX_TABLE md_relax_table 83 84/* Account for inserting a jmp after the insn. */ 85#define TC_CGEN_MAX_RELAX(insn, len) ((len) + 4) 86 87extern void mep_prepare_relax_scan (fragS *, offsetT *, relax_substateT); 88#define md_prepare_relax_scan(FRAGP, ADDR, AIM, STATE, TYPE) \ 89 mep_prepare_relax_scan (FRAGP, &AIM, STATE) 90 91#define skip_whitespace(str) while (*(str) == ' ') ++(str) 92 93/* Support for core/vliw mode switching. */ 94#define CORE 0 95#define VLIW 1 96#define MAX_PARALLEL_INSNS 56 /* From email from Toshiba. */ 97#define VTEXT_SECTION_NAME ".vtext" 98 99/* Needed to process pending instructions when a label is encountered. */ 100#define TC_START_LABEL(ch, ptr) ((ch == ':') && mep_flush_pending_output ()) 101 102#define tc_unrecognized_line(c) mep_unrecognized_line (c) 103extern int mep_unrecognized_line (int); 104#define md_cleanup mep_cleanup 105extern void mep_cleanup (void); 106 107#define md_elf_section_letter mep_elf_section_letter 108extern int mep_elf_section_letter (int, char **); 109#define md_elf_section_flags mep_elf_section_flags 110extern flagword mep_elf_section_flags (flagword, int, int); 111 112#define ELF_TC_SPECIAL_SECTIONS \ 113 { VTEXT_SECTION_NAME, SHT_PROGBITS, SHF_ALLOC|SHF_EXECINSTR|SHF_MEP_VLIW }, 114 115/* The values of the following enum are for use with parinsnum, which 116 is a variable in md_assemble that keeps track of whether or not the 117 next instruction is expected to be the first or second instrucion in 118 a parallelization group. */ 119typedef enum exp_par_insn_{FIRST, SECOND} EXP_PAR_INSN; 120