tc-m32r.h revision 1.1.1.4
1/* tc-m32r.h -- Header file for tc-m32r.c. 2 Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002 3 Free Software Foundation, Inc. 4 5 This file is part of GAS, the GNU Assembler. 6 7 GAS is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 2, or (at your option) 10 any later version. 11 12 GAS is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with GAS; see the file COPYING. If not, write to 19 the Free Software Foundation, 59 Temple Place - Suite 330, 20 Boston, MA 02111-1307, USA. */ 21 22#define TC_M32R 23 24#ifndef BFD_ASSEMBLER 25/* leading space so will compile with cc */ 26 #error M32R support requires BFD_ASSEMBLER 27#endif 28 29#define LISTING_HEADER "M32R GAS " 30 31/* The target BFD architecture. */ 32#define TARGET_ARCH bfd_arch_m32r 33 34#define TARGET_FORMAT "elf32-m32r" 35 36#define TARGET_BYTES_BIG_ENDIAN 1 37 38/* call md_pcrel_from_section, not md_pcrel_from */ 39long md_pcrel_from_section PARAMS ((struct fix *, segT)); 40#define MD_PCREL_FROM_SECTION(FIX, SEC) md_pcrel_from_section(FIX, SEC) 41 42/* Permit temporary numeric labels. */ 43#define LOCAL_LABELS_FB 1 44 45#define DIFF_EXPR_OK /* .-foo gets turned into PC relative relocs */ 46 47/* We don't need to handle .word strangely. */ 48#define WORKING_DOT_WORD 49 50/* For 8 vs 16 vs 32 bit branch selection. */ 51extern const struct relax_type md_relax_table[]; 52#define TC_GENERIC_RELAX_TABLE md_relax_table 53#if 0 54extern void m32r_prepare_relax_scan (); 55#define md_prepare_relax_scan(fragP, address, aim, this_state, this_type) \ 56m32r_prepare_relax_scan (fragP, address, aim, this_state, this_type) 57#else 58extern long m32r_relax_frag PARAMS ((segT, fragS *, long)); 59#define md_relax_frag(segment, fragP, stretch) \ 60m32r_relax_frag (segment, fragP, stretch) 61#endif 62/* Account for nop if 32 bit insn falls on odd halfword boundary. */ 63#define TC_CGEN_MAX_RELAX(insn, len) (6) 64 65/* Fill in rs_align_code fragments. */ 66extern void m32r_handle_align PARAMS ((fragS *)); 67#define HANDLE_ALIGN(f) m32r_handle_align (f) 68 69#define MAX_MEM_FOR_RS_ALIGN_CODE (1 + 2 + 4) 70 71/* Values passed to md_apply_fix3 don't include the symbol value. */ 72#define MD_APPLY_SYM_VALUE(FIX) 0 73 74#define md_apply_fix3 gas_cgen_md_apply_fix3 75 76#define tc_fix_adjustable(FIX) m32r_fix_adjustable (FIX) 77bfd_boolean m32r_fix_adjustable PARAMS ((struct fix *)); 78 79/* After creating a fixup for an instruction operand, we need to check for 80 HI16 relocs and queue them up for later sorting. */ 81#define md_cgen_record_fixup_exp m32r_cgen_record_fixup_exp 82 83#define tc_gen_reloc gas_cgen_tc_gen_reloc 84 85#define tc_frob_file_before_fix() m32r_frob_file () 86extern void m32r_frob_file PARAMS ((void)); 87 88/* No shared lib support, so we don't need to ensure externally 89 visible symbols can be overridden. */ 90#define EXTERN_FORCE_RELOC 0 91 92/* When relaxing, we need to emit various relocs we otherwise wouldn't. */ 93#define TC_FORCE_RELOCATION(fix) m32r_force_relocation (fix) 94extern int m32r_force_relocation PARAMS ((struct fix *)); 95 96/* Ensure insns at labels are aligned to 32 bit boundaries. */ 97int m32r_fill_insn PARAMS ((int)); 98#define md_after_pass_hook() m32r_fill_insn (1) 99#define TC_START_LABEL(ch, ptr) (ch == ':' && m32r_fill_insn (0)) 100 101/* Add extra M32R sections. */ 102#define ELF_TC_SPECIAL_SECTIONS \ 103 { ".sdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, \ 104 { ".sbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE }, 105 106#define md_cleanup m32r_elf_section_change_hook 107#define md_elf_section_change_hook m32r_elf_section_change_hook 108extern void m32r_elf_section_change_hook PARAMS ((void)); 109