1 /* tc-m32r.h -- Header file for tc-m32r.c. 2 Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 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 \ 30 (target_big_endian ? "M32R GAS" : "M32R GAS Little Endian") 31 32 /* The target BFD architecture. */ 33 #define TARGET_ARCH bfd_arch_m32r 34 35 /* The endianness of the target format may change based on command 36 line arguments. */ 37 #define TARGET_FORMAT m32r_target_format() 38 extern const char *m32r_target_format PARAMS ((void)); 39 40 /* Default to big endian. */ 41 #ifndef TARGET_BYTES_BIG_ENDIAN 42 #define TARGET_BYTES_BIG_ENDIAN 1 43 #endif 44 45 /* Call md_pcrel_from_section, not md_pcrel_from. */ 46 long md_pcrel_from_section PARAMS ((struct fix *, segT)); 47 #define MD_PCREL_FROM_SECTION(FIX, SEC) md_pcrel_from_section(FIX, SEC) 48 49 /* Permit temporary numeric labels. */ 50 #define LOCAL_LABELS_FB 1 51 52 #define DIFF_EXPR_OK /* .-foo gets turned into PC relative relocs */ 53 54 /* We don't need to handle .word strangely. */ 55 #define WORKING_DOT_WORD 56 57 /* For 8 vs 16 vs 32 bit branch selection. */ 58 extern const struct relax_type md_relax_table[]; 59 #define TC_GENERIC_RELAX_TABLE md_relax_table 60 #if 0 61 extern void m32r_prepare_relax_scan (); 62 #define md_prepare_relax_scan(fragP, address, aim, this_state, this_type) \ 63 m32r_prepare_relax_scan (fragP, address, aim, this_state, this_type) 64 #else 65 extern long m32r_relax_frag PARAMS ((segT, fragS *, long)); 66 #define md_relax_frag(segment, fragP, stretch) \ 67 m32r_relax_frag (segment, fragP, stretch) 68 #endif 69 /* Account for nop if 32 bit insn falls on odd halfword boundary. */ 70 #define TC_CGEN_MAX_RELAX(insn, len) (6) 71 72 /* Fill in rs_align_code fragments. */ 73 extern void m32r_handle_align PARAMS ((fragS *)); 74 #define HANDLE_ALIGN(f) m32r_handle_align (f) 75 76 #define MAX_MEM_FOR_RS_ALIGN_CODE (1 + 2 + 4) 77 78 /* Values passed to md_apply_fix3 don't include the symbol value. */ 79 #define MD_APPLY_SYM_VALUE(FIX) 0 80 81 #define md_apply_fix3 gas_cgen_md_apply_fix3 82 83 #define tc_fix_adjustable(FIX) m32r_fix_adjustable (FIX) 84 bfd_boolean m32r_fix_adjustable PARAMS ((struct fix *)); 85 86 /* After creating a fixup for an instruction operand, we need to check for 87 HI16 relocs and queue them up for later sorting. */ 88 #define md_cgen_record_fixup_exp m32r_cgen_record_fixup_exp 89 90 /* #define tc_gen_reloc gas_cgen_tc_gen_reloc */ 91 92 #define TC_HANDLES_FX_DONE 93 94 extern int pic_code; 95 96 extern bfd_boolean m32r_fix_adjustable PARAMS ((struct fix *)); 97 98 /* This arranges for gas/write.c to not apply a relocation if 99 obj_fix_adjustable() says it is not adjustable. */ 100 #define TC_FIX_ADJUSTABLE(fixP) obj_fix_adjustable (fixP) 101 102 #define TC_RELOC_RTSYM_LOC_FIXUP(FIX) \ 103 ((FIX)->fx_addsy == NULL \ 104 || (! S_IS_EXTERNAL ((FIX)->fx_addsy) \ 105 && ! S_IS_WEAK ((FIX)->fx_addsy) \ 106 && S_IS_DEFINED ((FIX)->fx_addsy) \ 107 && ! S_IS_COMMON ((FIX)->fx_addsy))) 108 109 #define tc_frob_file_before_fix() m32r_frob_file () 110 extern void m32r_frob_file PARAMS ((void)); 111 112 /* No shared lib support, so we don't need to ensure externally 113 visible symbols can be overridden. 114 #define EXTERN_FORCE_RELOC 0 */ 115 116 /* When relaxing, we need to emit various relocs we otherwise wouldn't. */ 117 #define TC_FORCE_RELOCATION(fix) m32r_force_relocation (fix) 118 extern int m32r_force_relocation PARAMS ((struct fix *)); 119 120 /* Ensure insns at labels are aligned to 32 bit boundaries. */ 121 int m32r_fill_insn PARAMS ((int)); 122 #define md_after_pass_hook() m32r_fill_insn (1) 123 #define TC_START_LABEL(ch, ptr) (ch == ':' && m32r_fill_insn (0)) 124 125 #define md_cleanup m32r_elf_section_change_hook 126 #define md_elf_section_change_hook m32r_elf_section_change_hook 127 extern void m32r_elf_section_change_hook PARAMS ((void)); 128 129 #define md_flush_pending_output() m32r_flush_pending_output () 130 extern void m32r_flush_pending_output PARAMS ((void)); 131 132 #define elf_tc_final_processing m32r_elf_final_processing 133 extern void m32r_elf_final_processing PARAMS ((void)); 134