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b8891f8d AJ |
1 | /* tc-csky.h -- Header file for tc-csky.c |
2 | Copyright (C) 1989-2018 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 | ||
fe75f42e LX |
65 | /* .-foo gets turned into PC relative relocs. */ |
66 | #define DIFF_EXPR_OK 1 | |
67 | ||
b8891f8d AJ |
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 long md_pcrel_from_section (fixS *, segT); | |
95 | extern void csky_cons_fix_new (fragS *, | |
96 | unsigned int off, | |
97 | unsigned int len, | |
98 | expressionS *, | |
99 | bfd_reloc_code_real_type); | |
100 | extern int csky_force_relocation (fixS *); | |
101 | extern bfd_boolean csky_fix_adjustable (fixS *); | |
102 | extern void csky_cfi_frame_initial_instructions (void); | |
103 | extern int tc_csky_regname_to_dw2regnum (char *); | |
104 | extern long csky_relax_frag (segT, fragS *, long); | |
105 | ||
106 | #ifdef OBJ_ELF | |
107 | const char * elf32_csky_target_format (void); | |
108 | #endif | |
109 | ||
110 | #endif |