1 /* tc-microblaze.h -- Header file for tc-microblaze.c. 2 3 Copyright (C) 2009-2018 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 #include "write.h" /* For definition of fixS */ 98 99 extern void md_begin (void); 100 extern void md_assemble (char *); 101 extern symbolS * md_undefined_symbol (char *); 102 extern void md_show_usage (FILE *); 103 extern void md_convert_frag (bfd *, segT, fragS *); 104 extern void md_operand (expressionS *); 105 extern int md_estimate_size_before_relax (fragS *, segT); 106 extern void md_number_to_chars (char *, valueT, int); 107 extern valueT md_section_align (segT, valueT); 108 extern long md_pcrel_from_section (fixS *, segT); 109 extern arelent * tc_gen_reloc (asection *, fixS *); 110 extern void cons_fix_new_microblaze (fragS *, int, int, 111 expressionS *, 112 bfd_reloc_code_real_type); 113 extern void md_apply_fix3 (fixS *, valueT *, segT); 114 115 #define EXTERN_FORCE_RELOC -1 116 117 #endif /* TC_MICROBLAZE */ 118