| 1 | /* tc-m32r.h -- Header file for tc-m32r.c. |
| 2 | Copyright (C) 1996-2016 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 3, 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_M32R |
| 22 | |
| 23 | #define LISTING_HEADER \ |
| 24 | (target_big_endian ? "M32R GAS" : "M32R GAS Little Endian") |
| 25 | |
| 26 | /* The target BFD architecture. */ |
| 27 | #define TARGET_ARCH bfd_arch_m32r |
| 28 | |
| 29 | /* The endianness of the target format may change based on command |
| 30 | line arguments. */ |
| 31 | #define TARGET_FORMAT m32r_target_format() |
| 32 | extern const char *m32r_target_format (void); |
| 33 | |
| 34 | /* Default to big endian. */ |
| 35 | #ifndef TARGET_BYTES_BIG_ENDIAN |
| 36 | #define TARGET_BYTES_BIG_ENDIAN 1 |
| 37 | #endif |
| 38 | |
| 39 | /* Call md_pcrel_from_section, not md_pcrel_from. */ |
| 40 | long md_pcrel_from_section (struct fix *, segT); |
| 41 | #define MD_PCREL_FROM_SECTION(FIX, SEC) md_pcrel_from_section(FIX, SEC) |
| 42 | |
| 43 | /* Permit temporary numeric labels. */ |
| 44 | #define LOCAL_LABELS_FB 1 |
| 45 | |
| 46 | #define DIFF_EXPR_OK /* .-foo gets turned into PC relative relocs. */ |
| 47 | |
| 48 | /* We don't need to handle .word strangely. */ |
| 49 | #define WORKING_DOT_WORD |
| 50 | |
| 51 | /* For 8 vs 16 vs 32 bit branch selection. */ |
| 52 | extern const struct relax_type md_relax_table[]; |
| 53 | #define TC_GENERIC_RELAX_TABLE md_relax_table |
| 54 | |
| 55 | extern long m32r_relax_frag (segT, fragS *, long); |
| 56 | #define md_relax_frag(segment, fragP, stretch) \ |
| 57 | m32r_relax_frag (segment, fragP, stretch) |
| 58 | |
| 59 | /* Account for nop if 32 bit insn falls on odd halfword boundary. */ |
| 60 | #define TC_CGEN_MAX_RELAX(insn, len) 6 |
| 61 | |
| 62 | /* Fill in rs_align_code fragments. */ |
| 63 | extern void m32r_handle_align (fragS *); |
| 64 | #define HANDLE_ALIGN(f) m32r_handle_align (f) |
| 65 | |
| 66 | #define MAX_MEM_FOR_RS_ALIGN_CODE (1 + 2 + 4) |
| 67 | |
| 68 | /* Values passed to md_apply_fix don't include the symbol value. */ |
| 69 | #define MD_APPLY_SYM_VALUE(FIX) 0 |
| 70 | |
| 71 | #define md_apply_fix gas_cgen_md_apply_fix |
| 72 | |
| 73 | #define tc_fix_adjustable(FIX) m32r_fix_adjustable (FIX) |
| 74 | bfd_boolean m32r_fix_adjustable (struct fix *); |
| 75 | |
| 76 | /* After creating a fixup for an instruction operand, we need to check for |
| 77 | HI16 relocs and queue them up for later sorting. */ |
| 78 | #define md_cgen_record_fixup_exp m32r_cgen_record_fixup_exp |
| 79 | |
| 80 | #define TC_HANDLES_FX_DONE |
| 81 | |
| 82 | extern int pic_code; |
| 83 | |
| 84 | extern bfd_boolean m32r_fix_adjustable (struct fix *); |
| 85 | |
| 86 | /* This arranges for gas/write.c to not apply a relocation if |
| 87 | obj_fix_adjustable() says it is not adjustable. */ |
| 88 | #define TC_FIX_ADJUSTABLE(fixP) obj_fix_adjustable (fixP) |
| 89 | |
| 90 | #define tc_frob_file_before_fix() m32r_frob_file () |
| 91 | extern void m32r_frob_file (void); |
| 92 | |
| 93 | /* No shared lib support, so we don't need to ensure externally |
| 94 | visible symbols can be overridden. |
| 95 | #define EXTERN_FORCE_RELOC 0 */ |
| 96 | |
| 97 | /* When relaxing, we need to emit various relocs we otherwise wouldn't. */ |
| 98 | #define TC_FORCE_RELOCATION(fix) m32r_force_relocation (fix) |
| 99 | extern int m32r_force_relocation (struct fix *); |
| 100 | |
| 101 | /* Ensure insns at labels are aligned to 32 bit boundaries. */ |
| 102 | int m32r_fill_insn (int); |
| 103 | #define TC_START_LABEL(STR, NUL_CHAR, NEXT_CHAR) \ |
| 104 | (NEXT_CHAR == ':' && m32r_fill_insn (0)) |
| 105 | |
| 106 | #define md_cleanup() m32r_fill_insn (1) |
| 107 | #define md_elf_section_change_hook m32r_elf_section_change_hook |
| 108 | extern void m32r_elf_section_change_hook (void); |
| 109 | |
| 110 | #define md_flush_pending_output() m32r_flush_pending_output () |
| 111 | extern void m32r_flush_pending_output (void); |
| 112 | |
| 113 | #define elf_tc_final_processing m32r_elf_final_processing |
| 114 | extern void m32r_elf_final_processing (void); |
| 115 | |
| 116 | #define md_parse_name(name, exprP, mode, nextcharP) \ |
| 117 | m32r_parse_name ((name), (exprP), (mode), (nextcharP)) |
| 118 | extern int m32r_parse_name (char const *, expressionS *, enum expr_mode, char *); |
| 119 | |
| 120 | /* This is used to construct expressions out of @GOTOFF, @PLT and @GOT |
| 121 | symbols. The relocation type is stored in X_md. */ |
| 122 | #define O_PIC_reloc O_md1 |
| 123 | |
| 124 | #define TC_CGEN_PARSE_FIX_EXP(opinfo, exp) \ |
| 125 | m32r_cgen_parse_fix_exp(opinfo, exp) |
| 126 | extern int m32r_cgen_parse_fix_exp (int, expressionS *); |