1 /* tc-csky.h -- Header file for tc-csky.c 2 Copyright (C) 1989-2021 Free Software Foundation, Inc. 3 Contributed by C-SKY Microsystems and Mentor Graphics. 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_CSKY 23 #define TC_CSKY 1 24 25 #define WORKING_DOT_WORD 26 27 #define TARGET_ARCH bfd_arch_csky 28 29 #define LISTING_HEADER "CSKY GAS" 30 31 #ifdef OBJ_ELF 32 #define TARGET_FORMAT elf32_csky_target_format () 33 #endif 34 35 #define TARGET_BYTES_BIG_ENDIAN 0 36 37 #define MD_PCREL_FROM_SECTION(F,S) md_pcrel_from_section (F, S) 38 39 #define TC_GENERIC_RELAX_TABLE csky_relax_table 40 41 #define md_end md_csky_end 42 #define md_relax_frag csky_relax_frag 43 #define DOUBLESLASH_LINE_COMMENTS 44 #define LOCAL_LABELS_FB 1 45 #define PAD_LITERAL_LENGTH 6 46 #define PAD_FILL_CONTENT 0x1c00 47 48 /* Reloc API. */ 49 #define EXTERN_FORCE_RELOC 1 50 #define TC_CONS_FIX_NEW csky_cons_fix_new 51 #define TC_FORCE_RELOCATION(fix) csky_force_relocation (fix) 52 #define tc_fix_adjustable(FIX) csky_fix_adjustable (FIX) 53 #define TC_SEGMENT_INFO_TYPE csky_segment_info_type 54 55 /* Dwarf API. */ 56 #define DWARF2_LINE_MIN_INSN_LENGTH 2 57 #define DWARF2_ADDR_SIZE(bfd) 4 58 #define DWARF2_FDE_RELOC_SIZE 4 59 #define TARGET_USE_CFIPOP 1 60 #define tc_cfi_frame_initial_instructions csky_cfi_frame_initial_instructions 61 #define tc_regname_to_dw2regnum tc_csky_regname_to_dw2regnum 62 #define DWARF2_DEFAULT_RETURN_COLUMN 15 63 #define DWARF2_CIE_DATA_ALIGNMENT (-4) 64 65 /* .-foo gets turned into PC relative relocs. */ 66 #define DIFF_EXPR_OK 1 67 68 typedef enum 69 { 70 MAP_UNDEFINED = 0, 71 MAP_DATA, 72 MAP_TEXT, 73 } map_state; 74 75 typedef struct 76 { 77 map_state current_state; 78 } csky_segment_info_type; 79 80 struct tls_addend 81 { 82 fragS *frag; 83 offsetT offset; 84 }; 85 86 #define TC_FIX_TYPE struct tls_addend 87 #define TC_INIT_FIX_DATA(FIX) \ 88 { (FIX)->tc_fix_data.frag = NULL; (FIX)->tc_fix_data.offset = 0; } 89 90 #include "write.h" 91 extern const relax_typeS csky_relax_table []; 92 93 extern void md_csky_end (void); 94 extern void csky_cons_fix_new (fragS *, 95 unsigned int off, 96 unsigned int len, 97 expressionS *, 98 bfd_reloc_code_real_type); 99 extern int csky_force_relocation (fixS *); 100 extern bool csky_fix_adjustable (fixS *); 101 extern void csky_cfi_frame_initial_instructions (void); 102 extern int tc_csky_regname_to_dw2regnum (char *); 103 extern long csky_relax_frag (segT, fragS *, long); 104 105 #ifdef OBJ_ELF 106 const char * elf32_csky_target_format (void); 107 #endif 108 109 #endif 110