1 /* tc-microblaze.h -- Header file for tc-microblaze.c. 2 3 Copyright (C) 2009-2022 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_VALIDATE_FIX_SUB(FIX, SEG) \ 55 (md_register_arithmetic || (SEG) != reg_section) 56 57 #define tc_fix_adjustable(X) tc_microblaze_fix_adjustable(X) 58 extern int tc_microblaze_fix_adjustable (struct fix *); 59 60 extern const struct relax_type md_relax_table[]; 61 #define TC_GENERIC_RELAX_TABLE md_relax_table 62 63 /* We don't need to handle .word strangely. */ 64 #define WORKING_DOT_WORD 65 66 #define LISTING_HEADER "Xilinx MicroBlaze GAS Listing" 67 #define LISTING_LHS_CONT_LINES 4 68 69 #define NEED_FX_R_TYPE 1 70 71 /* We want local label support. */ 72 #define LOCAL_LABELS_FB 1 73 74 /* Want the section information too... */ 75 #define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section (FIXP, SEC) 76 77 #define MD_APPLY_FIX3 /* We want the segment as well. */ 78 79 /* We set the fx_done field appropriately in md_apply_fix. */ 80 #define TC_HANDLES_FX_DONE 81 82 #ifdef OBJ_ELF 83 84 #define TARGET_FORMAT (target_big_endian ? "elf32-microblaze" : "elf32-microblazeel") 85 86 #define ELF_TC_SPECIAL_SECTIONS \ 87 { ".sdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, \ 88 { ".sbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE }, \ 89 { ".sdata2", SHT_PROGBITS, SHF_ALLOC }, \ 90 { ".sbss2", SHT_PROGBITS, SHF_ALLOC }, \ 91 /* Other special sections not generated by the assembler: .reginfo, 92 .liblist, .conflict, .gptab, .got, .dynamic, .rel.dyn. */ 93 94 #endif /* OBJ_ELF */ 95 96 #ifndef TARGET_FORMAT 97 # error No target format specified. 98 #endif 99 100 extern void cons_fix_new_microblaze (fragS *, int, int, 101 expressionS *, 102 bfd_reloc_code_real_type); 103 #define EXTERN_FORCE_RELOC -1 104 105 #endif /* TC_MICROBLAZE */ 106