1214571Sdim/* tc-mep.h -- Header file for tc-mep.c. 2214571Sdim Copyright (C) 2001, 2002, 2005 Free Software Foundation, Inc. 3214571Sdim 4214571Sdim This file is part of GAS, the GNU Assembler. 5214571Sdim 6214571Sdim GAS is free software; you can redistribute it and/or modify 7214571Sdim it under the terms of the GNU General Public License as published by 8214571Sdim the Free Software Foundation; either version 2, or (at your option) 9214571Sdim any later version. 10214571Sdim 11214571Sdim GAS is distributed in the hope that it will be useful, 12214571Sdim but WITHOUT ANY WARRANTY; without even the implied warranty of 13214571Sdim MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14214571Sdim GNU General Public License for more details. 15214571Sdim 16214571Sdim You should have received a copy of the GNU General Public License 17214571Sdim along with GAS; see the file COPYING. If not, write to 18214571Sdim the Free Software Foundation, 51 Franklin Street, Fifth Floor, 19214571Sdim Boston, MA 02110-1301, USA. */ 20214571Sdim 21214571Sdim#define TC_MEP 22214571Sdim 23214571Sdim/* Support computed relocations. */ 24214571Sdim#define OBJ_COMPLEX_RELC 25214571Sdim 26214571Sdim/* Support many operands per instruction. */ 27214571Sdim#define GAS_CGEN_MAX_FIXUPS 10 28214571Sdim 29214571Sdim#define LISTING_HEADER "MEP GAS " 30214571Sdim 31214571Sdim/* The target BFD architecture. */ 32214571Sdim#define TARGET_ARCH bfd_arch_mep 33214571Sdim 34214571Sdim#define TARGET_FORMAT (target_big_endian ? "elf32-mep" : "elf32-mep-little") 35214571Sdim 36214571Sdim/* This is the default. */ 37214571Sdim#define TARGET_BYTES_BIG_ENDIAN 1 38214571Sdim 39214571Sdim/* Permit temporary numeric labels. */ 40214571Sdim#define LOCAL_LABELS_FB 1 41214571Sdim 42214571Sdim/* .-foo gets turned into PC relative relocs. */ 43214571Sdim#define DIFF_EXPR_OK 44214571Sdim 45214571Sdim/* We don't need to handle .word strangely. */ 46214571Sdim#define WORKING_DOT_WORD 47214571Sdim 48214571Sdim/* Values passed to md_apply_fix don't include the symbol value. */ 49214571Sdim#define MD_APPLY_SYM_VALUE(FIX) 0 50214571Sdim 51214571Sdim#define MD_APPLY_FIX 52214571Sdim#define md_apply_fix mep_apply_fix 53214571Sdimextern void mep_apply_fix (struct fix *, valueT *, segT); 54214571Sdim 55214571Sdim/* Call md_pcrel_from_section(), not md_pcrel_from(). */ 56214571Sdim#define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section (FIXP, SEC) 57214571Sdimextern long md_pcrel_from_section (struct fix *, segT); 58214571Sdim 59214571Sdim#define tc_frob_file() mep_frob_file () 60214571Sdimextern void mep_frob_file (void); 61214571Sdim 62214571Sdim#define tc_fix_adjustable(fixP) mep_fix_adjustable (fixP) 63214571Sdimextern bfd_boolean mep_fix_adjustable (struct fix *); 64214571Sdim 65214571Sdim/* After creating a fixup for an instruction operand, we need 66214571Sdim to check for HI16 relocs and queue them up for later sorting. */ 67214571Sdim#define md_cgen_record_fixup_exp mep_cgen_record_fixup_exp 68214571Sdim 69214571Sdim/* When relaxing, we need to emit various relocs we otherwise wouldn't. */ 70214571Sdim#define TC_FORCE_RELOCATION(fix) mep_force_relocation (fix) 71214571Sdimextern int mep_force_relocation (struct fix *); 72214571Sdim 73214571Sdim#define tc_gen_reloc gas_cgen_tc_gen_reloc 74214571Sdim 75214571Sdimextern void gas_cgen_md_operand (expressionS *); 76214571Sdim#define md_operand(x) gas_cgen_md_operand (x) 77214571Sdim 78214571Sdim#define md_flush_pending_output() mep_flush_pending_output() 79214571Sdimextern int mep_flush_pending_output(void); 80214571Sdim 81214571Sdimextern const struct relax_type md_relax_table[]; 82214571Sdim#define TC_GENERIC_RELAX_TABLE md_relax_table 83214571Sdim 84214571Sdim/* Account for inserting a jmp after the insn. */ 85214571Sdim#define TC_CGEN_MAX_RELAX(insn, len) ((len) + 4) 86214571Sdim 87214571Sdimextern void mep_prepare_relax_scan (fragS *, offsetT *, relax_substateT); 88214571Sdim#define md_prepare_relax_scan(FRAGP, ADDR, AIM, STATE, TYPE) \ 89214571Sdim mep_prepare_relax_scan (FRAGP, &AIM, STATE) 90214571Sdim 91214571Sdim#define skip_whitespace(str) while (*(str) == ' ') ++(str) 92214571Sdim 93214571Sdim/* Support for core/vliw mode switching. */ 94214571Sdim#define CORE 0 95214571Sdim#define VLIW 1 96214571Sdim#define MAX_PARALLEL_INSNS 56 /* From email from Toshiba. */ 97214571Sdim#define VTEXT_SECTION_NAME ".vtext" 98214571Sdim 99214571Sdim/* Needed to process pending instructions when a label is encountered. */ 100214571Sdim#define TC_START_LABEL(ch, ptr) ((ch == ':') && mep_flush_pending_output ()) 101214571Sdim 102214571Sdim#define tc_unrecognized_line(c) mep_unrecognized_line (c) 103214571Sdimextern int mep_unrecognized_line (int); 104214571Sdim#define md_cleanup mep_cleanup 105214571Sdimextern void mep_cleanup (void); 106214571Sdim 107214571Sdim#define md_elf_section_letter mep_elf_section_letter 108214571Sdimextern int mep_elf_section_letter (int, char **); 109214571Sdim#define md_elf_section_flags mep_elf_section_flags 110214571Sdimextern flagword mep_elf_section_flags (flagword, int, int); 111214571Sdim 112214571Sdim#define ELF_TC_SPECIAL_SECTIONS \ 113214571Sdim { VTEXT_SECTION_NAME, SHT_PROGBITS, SHF_ALLOC|SHF_EXECINSTR|SHF_MEP_VLIW }, 114214571Sdim 115214571Sdim/* The values of the following enum are for use with parinsnum, which 116214571Sdim is a variable in md_assemble that keeps track of whether or not the 117214571Sdim next instruction is expected to be the first or second instrucion in 118214571Sdim a parallelization group. */ 119214571Sdimtypedef enum exp_par_insn_{FIRST, SECOND} EXP_PAR_INSN; 120