1 /* tc-m32r.h -- Header file for tc-m32r.c. 2 Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 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, 51 Franklin Street - Fifth Floor, 20 Boston, MA 02110-1301, USA. */ 21 22 #define TC_M32R 23 24 #define LISTING_HEADER \ 25 (target_big_endian ? "M32R GAS" : "M32R GAS Little Endian") 26 27 /* The target BFD architecture. */ 28 #define TARGET_ARCH bfd_arch_m32r 29 30 /* The endianness of the target format may change based on command 31 line arguments. */ 32 #define TARGET_FORMAT m32r_target_format() 33 extern const char *m32r_target_format (void); 34 35 /* Default to big endian. */ 36 #ifndef TARGET_BYTES_BIG_ENDIAN 37 #define TARGET_BYTES_BIG_ENDIAN 1 38 #endif 39 40 /* Call md_pcrel_from_section, not md_pcrel_from. */ 41 long md_pcrel_from_section (struct fix *, segT); 42 #define MD_PCREL_FROM_SECTION(FIX, SEC) md_pcrel_from_section(FIX, SEC) 43 44 /* Permit temporary numeric labels. */ 45 #define LOCAL_LABELS_FB 1 46 47 #define DIFF_EXPR_OK /* .-foo gets turned into PC relative relocs. */ 48 49 /* We don't need to handle .word strangely. */ 50 #define WORKING_DOT_WORD 51 52 /* For 8 vs 16 vs 32 bit branch selection. */ 53 extern const struct relax_type md_relax_table[]; 54 #define TC_GENERIC_RELAX_TABLE md_relax_table 55 56 extern long m32r_relax_frag (segT, fragS *, long); 57 #define md_relax_frag(segment, fragP, stretch) \ 58 m32r_relax_frag (segment, fragP, stretch) 59 60 /* Account for nop if 32 bit insn falls on odd halfword boundary. */ 61 #define TC_CGEN_MAX_RELAX(insn, len) 6 62 63 /* Fill in rs_align_code fragments. */ 64 extern void m32r_handle_align (fragS *); 65 #define HANDLE_ALIGN(f) m32r_handle_align (f) 66 67 #define MAX_MEM_FOR_RS_ALIGN_CODE (1 + 2 + 4) 68 69 /* Values passed to md_apply_fix don't include the symbol value. */ 70 #define MD_APPLY_SYM_VALUE(FIX) 0 71 72 #define md_apply_fix gas_cgen_md_apply_fix 73 74 #define tc_fix_adjustable(FIX) m32r_fix_adjustable (FIX) 75 bfd_boolean m32r_fix_adjustable (struct fix *); 76 77 /* After creating a fixup for an instruction operand, we need to check for 78 HI16 relocs and queue them up for later sorting. */ 79 #define md_cgen_record_fixup_exp m32r_cgen_record_fixup_exp 80 81 #define TC_HANDLES_FX_DONE 82 83 extern int pic_code; 84 85 extern bfd_boolean m32r_fix_adjustable (struct fix *); 86 87 /* This arranges for gas/write.c to not apply a relocation if 88 obj_fix_adjustable() says it is not adjustable. */ 89 #define TC_FIX_ADJUSTABLE(fixP) obj_fix_adjustable (fixP) 90 91 #define TC_RELOC_RTSYM_LOC_FIXUP(FIX) \ 92 ((FIX)->fx_addsy == NULL \ 93 || (! S_IS_EXTERNAL ((FIX)->fx_addsy) \ 94 && ! S_IS_WEAK ((FIX)->fx_addsy) \ 95 && S_IS_DEFINED ((FIX)->fx_addsy) \ 96 && ! S_IS_COMMON ((FIX)->fx_addsy))) 97 98 #define tc_frob_file_before_fix() m32r_frob_file () 99 extern void m32r_frob_file (void); 100 101 /* No shared lib support, so we don't need to ensure externally 102 visible symbols can be overridden. 103 #define EXTERN_FORCE_RELOC 0 */ 104 105 /* When relaxing, we need to emit various relocs we otherwise wouldn't. */ 106 #define TC_FORCE_RELOCATION(fix) m32r_force_relocation (fix) 107 extern int m32r_force_relocation (struct fix *); 108 109 /* Ensure insns at labels are aligned to 32 bit boundaries. */ 110 int m32r_fill_insn (int); 111 #define md_after_pass_hook() m32r_fill_insn (1) 112 #define TC_START_LABEL(ch, ptr) (ch == ':' && m32r_fill_insn (0)) 113 114 #define md_cleanup m32r_elf_section_change_hook 115 #define md_elf_section_change_hook m32r_elf_section_change_hook 116 extern void m32r_elf_section_change_hook (void); 117 118 #define md_flush_pending_output() m32r_flush_pending_output () 119 extern void m32r_flush_pending_output (void); 120 121 #define elf_tc_final_processing m32r_elf_final_processing 122 extern void m32r_elf_final_processing (void); 123 124 #define md_parse_name(name, exprP, mode, nextcharP) \ 125 m32r_parse_name ((name), (exprP), (mode), (nextcharP)) 126 extern int m32r_parse_name (char const *, expressionS *, enum expr_mode, char *); 127 128 /* This is used to construct expressions out of @GOTOFF, @PLT and @GOT 129 symbols. The relocation type is stored in X_md. */ 130 #define O_PIC_reloc O_md1 131 132 #define TC_CGEN_PARSE_FIX_EXP(opinfo, exp) \ 133 m32r_cgen_parse_fix_exp(opinfo, exp) 134 extern int m32r_cgen_parse_fix_exp (int, expressionS *); 135