| 1 | /* tc-microblaze.h -- Header file for tc-microblaze.c. |
| 2 | |
| 3 | Copyright (C) 2009-2020 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 | #ifndef TC_MICROBLAZE |
| 23 | #define TC_MICROBLAZE 1 |
| 24 | |
| 25 | #define TARGET_ARCH bfd_arch_microblaze |
| 26 | #ifndef TARGET_BYTES_BIG_ENDIAN |
| 27 | /* Used to initialise target_big_endian. */ |
| 28 | #define TARGET_BYTES_BIG_ENDIAN 1 |
| 29 | #endif |
| 30 | |
| 31 | #define IGNORE_NONSTANDARD_ESCAPES |
| 32 | |
| 33 | #define TC_RELOC_MANGLE(a,b,c) tc_reloc_mangle (a, b, c) |
| 34 | |
| 35 | /* We need to handle expressions of type "symbol op symbol" and create |
| 36 | relocs for such expressions as -relax in linker can change the value |
| 37 | of such expressions */ |
| 38 | #define TC_CONS_FIX_NEW cons_fix_new_microblaze |
| 39 | #define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) \ |
| 40 | parse_cons_expression_microblaze (EXP, NBYTES) |
| 41 | extern bfd_reloc_code_real_type parse_cons_expression_microblaze |
| 42 | (expressionS *, int); |
| 43 | |
| 44 | #define TC_FORCE_RELOCATION_SECTION(FIXP,SEG) 1 |
| 45 | #define UNDEFINED_DIFFERENCE_OK 1 |
| 46 | |
| 47 | #define TC_FORCE_RELOCATION_LOCAL(FIX) \ |
| 48 | (GENERIC_FORCE_RELOCATION_LOCAL (FIX) \ |
| 49 | || (FIX)->fx_r_type == BFD_RELOC_MICROBLAZE_64_GOT \ |
| 50 | || (FIX)->fx_r_type == BFD_RELOC_MICROBLAZE_64_PLT \ |
| 51 | || (FIX)->fx_r_type == BFD_RELOC_MICROBLAZE_64_GOTOFF \ |
| 52 | || (FIX)->fx_r_type == BFD_RELOC_MICROBLAZE_32_GOTOFF) |
| 53 | |
| 54 | #define tc_fix_adjustable(X) tc_microblaze_fix_adjustable(X) |
| 55 | extern int tc_microblaze_fix_adjustable (struct fix *); |
| 56 | |
| 57 | extern const struct relax_type md_relax_table[]; |
| 58 | #define TC_GENERIC_RELAX_TABLE md_relax_table |
| 59 | |
| 60 | /* We don't need to handle .word strangely. */ |
| 61 | #define WORKING_DOT_WORD |
| 62 | |
| 63 | #define LISTING_HEADER "Xilinx MicroBlaze GAS Listing" |
| 64 | #define LISTING_LHS_CONT_LINES 4 |
| 65 | |
| 66 | #define NEED_FX_R_TYPE 1 |
| 67 | |
| 68 | /* We want local label support. */ |
| 69 | #define LOCAL_LABELS_FB 1 |
| 70 | |
| 71 | /* Want the section information too... */ |
| 72 | #define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section (FIXP, SEC) |
| 73 | |
| 74 | #define MD_APPLY_FIX3 /* We want the segment as well. */ |
| 75 | |
| 76 | /* We set the fx_done field appropriately in md_apply_fix. */ |
| 77 | #define TC_HANDLES_FX_DONE |
| 78 | |
| 79 | #ifdef OBJ_ELF |
| 80 | |
| 81 | #define TARGET_FORMAT (target_big_endian ? "elf32-microblaze" : "elf32-microblazeel") |
| 82 | |
| 83 | #define ELF_TC_SPECIAL_SECTIONS \ |
| 84 | { ".sdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, \ |
| 85 | { ".sbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE }, \ |
| 86 | { ".sdata2", SHT_PROGBITS, SHF_ALLOC }, \ |
| 87 | { ".sbss2", SHT_PROGBITS, SHF_ALLOC }, \ |
| 88 | /* Other special sections not generated by the assembler: .reginfo, |
| 89 | .liblist, .conflict, .gptab, .got, .dynamic, .rel.dyn. */ |
| 90 | |
| 91 | #endif /* OBJ_ELF */ |
| 92 | |
| 93 | #ifndef TARGET_FORMAT |
| 94 | # error No target format specified. |
| 95 | #endif |
| 96 | |
| 97 | extern void cons_fix_new_microblaze (fragS *, int, int, |
| 98 | expressionS *, |
| 99 | bfd_reloc_code_real_type); |
| 100 | #define EXTERN_FORCE_RELOC -1 |
| 101 | |
| 102 | #endif /* TC_MICROBLAZE */ |