1 /* tc-microblaze.h -- Header file for tc-microblaze.c. 2 3 Copyright (C) 2009-2014 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 (!(FIX)->fx_pcrel \ 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 || TC_FORCE_RELOCATION (FIX)) 54 55 #define tc_fix_adjustable(X) tc_microblaze_fix_adjustable(X) 56 extern int tc_microblaze_fix_adjustable (struct fix *); 57 58 extern const struct relax_type md_relax_table[]; 59 #define TC_GENERIC_RELAX_TABLE md_relax_table 60 61 /* We don't need to handle .word strangely. */ 62 #define WORKING_DOT_WORD 63 64 #define LISTING_HEADER "Xilinx MicroBlaze GAS Listing" 65 #define LISTING_LHS_CONT_LINES 4 66 67 #define NEED_FX_R_TYPE 1 68 69 /* We want local label support. */ 70 #define LOCAL_LABELS_FB 1 71 72 /* Want the section information too... */ 73 #define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section (FIXP, SEC) 74 75 #define MD_APPLY_FIX3 /* We want the segment as well. */ 76 77 /* We set the fx_done field appropriately in md_apply_fix. */ 78 #define TC_HANDLES_FX_DONE 79 80 #ifdef OBJ_ELF 81 82 #define TARGET_FORMAT (target_big_endian ? "elf32-microblaze" : "elf32-microblazeel") 83 84 #define ELF_TC_SPECIAL_SECTIONS \ 85 { ".sdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, \ 86 { ".sbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE }, \ 87 { ".sdata2", SHT_PROGBITS, SHF_ALLOC }, \ 88 { ".sbss2", SHT_PROGBITS, SHF_ALLOC }, \ 89 /* Other special sections not generated by the assembler: .reginfo, 90 .liblist, .conflict, .gptab, .got, .dynamic, .rel.dyn. */ 91 92 #endif /* OBJ_ELF */ 93 94 #ifndef TARGET_FORMAT 95 # error No target format specified. 96 #endif 97 98 #include "write.h" /* For definition of fixS */ 99 100 extern void md_begin (void); 101 extern void md_assemble (char *); 102 extern symbolS * md_undefined_symbol (char *); 103 extern char * md_atof (int, char *, int *); 104 extern int md_parse_option (int, char *); 105 extern void md_show_usage (FILE *); 106 extern void md_convert_frag (bfd *, segT, fragS *); 107 extern void md_operand (expressionS *); 108 extern int md_estimate_size_before_relax (fragS *, segT); 109 extern void md_number_to_chars (char *, valueT, int); 110 extern valueT md_section_align (segT, valueT); 111 extern long md_pcrel_from_section (fixS *, segT); 112 extern arelent * tc_gen_reloc (asection *, fixS *); 113 extern void cons_fix_new_microblaze (fragS *, int, int, 114 expressionS *, 115 bfd_reloc_code_real_type); 116 extern void md_apply_fix3 (fixS *, valueT *, segT); 117 118 #define EXTERN_FORCE_RELOC -1 119 120 #endif /* TC_MICROBLAZE */ 121
