| 1 | /* tc-rx.h - header file for Renesas RX |
| 2 | Copyright 2008, 2009 |
| 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 3, 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 the Free |
| 19 | Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA |
| 20 | 02110-1301, USA. */ |
| 21 | |
| 22 | #define TC_RX |
| 23 | |
| 24 | extern int target_big_endian; |
| 25 | |
| 26 | #define LISTING_HEADER (target_big_endian ? "RX GAS BE" : "RX GAS LE") |
| 27 | #define LISTING_LHS_WIDTH 8 |
| 28 | #define LISTING_WORD_SIZE 1 |
| 29 | |
| 30 | #define TARGET_ARCH bfd_arch_rx |
| 31 | |
| 32 | /* Instruction bytes are big endian, data bytes can be either. */ |
| 33 | #define TARGET_BYTES_BIG_ENDIAN 0 |
| 34 | |
| 35 | #define TARGET_FORMAT (target_big_endian ? "elf32-rx-be" : "elf32-rx-le") |
| 36 | |
| 37 | /* We don't need to handle .word strangely. */ |
| 38 | #define WORKING_DOT_WORD |
| 39 | |
| 40 | /* Permit temporary numeric labels. */ |
| 41 | #define LOCAL_LABELS_FB 1 |
| 42 | /* But make sure that the binutils treat them as locals. */ |
| 43 | #define LOCAL_LABEL_PREFIX '.' |
| 44 | |
| 45 | /* Allow classic-style constants. */ |
| 46 | #define NUMBERS_WITH_SUFFIX 1 |
| 47 | |
| 48 | /* .-foo gets turned into PC relative relocs. */ |
| 49 | #define DIFF_EXPR_OK |
| 50 | |
| 51 | #define md_end rx_md_end |
| 52 | extern void rx_md_end (void); |
| 53 | |
| 54 | #define md_relax_frag rx_relax_frag |
| 55 | extern int rx_relax_frag (segT, fragS *, long); |
| 56 | |
| 57 | #define TC_FRAG_TYPE struct rx_bytesT * |
| 58 | #define TC_FRAG_INIT rx_frag_init |
| 59 | extern void rx_frag_init (fragS *); |
| 60 | |
| 61 | /* Call md_pcrel_from_section(), not md_pcrel_from(). */ |
| 62 | #define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section (FIXP, SEC) |
| 63 | extern long md_pcrel_from_section (struct fix *, segT); |
| 64 | |
| 65 | /* RX doesn't have a 32 bit PCREL relocations. */ |
| 66 | #define TC_FORCE_RELOCATION_SUB_LOCAL(FIX, SEG) 1 |
| 67 | |
| 68 | #define TC_VALIDATE_FIX_SUB(FIX, SEG) \ |
| 69 | rx_validate_fix_sub (FIX) |
| 70 | extern int rx_validate_fix_sub (struct fix *); |
| 71 | |
| 72 | #define TC_CONS_FIX_NEW(FRAG, WHERE, NBYTES, EXP) \ |
| 73 | rx_cons_fix_new (FRAG, WHERE, NBYTES, EXP) |
| 74 | extern void rx_cons_fix_new (fragS *, int, int, expressionS *); |
| 75 | |
| 76 | #define tc_fix_adjustable(x) 0 |
| 77 | |
| 78 | #define md_do_align(n, fill, len, max, around) \ |
| 79 | if ((n) \ |
| 80 | && !need_pass_2 \ |
| 81 | && (!(fill) \ |
| 82 | || ((char)*(fill) == (char)0x03 && (len) == 1)) \ |
| 83 | && subseg_text_p (now_seg)) \ |
| 84 | { \ |
| 85 | frag_align_code ((n), (max)); \ |
| 86 | goto around; \ |
| 87 | } |
| 88 | |
| 89 | #define MAX_MEM_FOR_RS_ALIGN_CODE 8 |
| 90 | #define HANDLE_ALIGN(FRAG) rx_handle_align (FRAG) |
| 91 | extern void rx_handle_align (fragS *); |
| 92 | |
| 93 | #define RELOC_EXPANSION_POSSIBLE 1 |
| 94 | #define MAX_RELOC_EXPANSION 4 |
| 95 | |
| 96 | #define elf_tc_final_processing rx_elf_final_processing |
| 97 | extern void rx_elf_final_processing (void); |
| 98 | |
| 99 | extern bfd_boolean rx_use_conventional_section_names; |
| 100 | #define TEXT_SECTION_NAME (rx_use_conventional_section_names ? ".text" : "P") |
| 101 | #define DATA_SECTION_NAME (rx_use_conventional_section_names ? ".data" : "D_1") |
| 102 | #define BSS_SECTION_NAME (rx_use_conventional_section_names ? ".bss" : "B_1") |
| 103 | |
| 104 | #define md_start_line_hook rx_start_line |
| 105 | extern void rx_start_line (void); |