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3c9b82ba | 1 | /* this is tc-z80.h |
b3adc24a | 2 | Copyright (C) 2005-2020 Free Software Foundation, Inc. |
3c9b82ba NC |
3 | |
4 | Contributed by Arnold Metselaar <arnold_m@operamail.com> | |
5 | ||
6 | This file is part of GAS, the GNU Assembler. | |
7 | ||
8 | GAS is free software; you can redistribute it and/or modify | |
9 | it under the terms of .the GNU General Public License as published by | |
ec2655a6 | 10 | the Free Software Foundation; either version 3, or (at your option) |
3c9b82ba NC |
11 | any later version. |
12 | ||
13 | GAS is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with GAS; see the file COPYING. If not, write to the Free | |
20 | Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA | |
21 | 02110-1301, USA. */ | |
22 | ||
23 | #ifndef TC_Z80 | |
24 | #define TC_Z80 | |
25 | ||
26 | #define TARGET_ARCH bfd_arch_z80 | |
6655dba2 SB |
27 | #ifndef OBJ_COFF |
28 | #define TARGET_FORMAT "elf32-z80" | |
29 | #endif | |
3c9b82ba NC |
30 | #define BFD_ARCH TARGET_ARCH |
31 | #define COFF_MAGIC 0x5A80 | |
32 | #define TARGET_MACH 0 | |
33 | #define TARGET_BYTES_BIG_ENDIAN 0 | |
34 | ||
35 | /* If you define this macro, GAS will warn about the | |
36 | use of nonstandard escape sequences in a string. */ | |
37 | #define ONLY_STANDARD_ESCAPES | |
38 | ||
39 | /* GAS will call this function for any expression that can not be | |
40 | recognized. When the function is called, `input_line_pointer' | |
41 | will point to the start of the expression. */ | |
42 | #define md_operand(x) | |
43 | ||
44 | /* This should just call either `number_to_chars_bigendian' or | |
45 | `number_to_chars_littleendian', whichever is appropriate. On | |
46 | targets like the MIPS which support options to change the | |
47 | endianness, which function to call is a runtime decision. On | |
48 | other targets, `md_number_to_chars' can be a simple macro. */ | |
49 | #define md_number_to_chars number_to_chars_littleendian | |
50 | ||
51 | #define TC_COUNT_RELOC(x) 1 | |
52 | ||
53 | #define TC_COFF_FIX2RTYPE(fixP) tc_coff_fix2rtype (fixP) | |
54 | #define md_convert_frag(b,s,f) as_fatal ("convert_frag called\n") | |
55 | #define md_estimate_size_before_relax(f,s) \ | |
56 | (as_fatal (_("estimate_size_before_relax called")), 1) | |
57 | ||
58 | /* Define some functions to be called by generic code. */ | |
59 | #define md_end z80_md_end | |
60 | #define md_start_line_hook() { if (z80_start_line_hook ()) continue; } | |
00c06fdc | 61 | #define TC_CONS_FIX_NEW(f,w,s,e,r) z80_cons_fix_new ((f), (w), (s), (e)) |
3c9b82ba NC |
62 | |
63 | extern void z80_md_end (void); | |
64 | extern int z80_start_line_hook (void); | |
134dcee5 | 65 | extern void z80_cons_fix_new (fragS *, int, int, expressionS *); |
3c9b82ba NC |
66 | |
67 | #define WORKING_DOT_WORD | |
68 | ||
69 | /* If you define this macro, it means that `tc_gen_reloc' may return | |
70 | multiple relocation entries for a single fixup. In this case, the | |
71 | return value of `tc_gen_reloc' is a pointer to a null terminated | |
72 | array. */ | |
73 | #undef RELOC_EXPANSION_POSSIBLE | |
74 | ||
75 | /* No shared lib support, so we don't need to ensure | |
76 | externally visible symbols can be overridden. */ | |
77 | #define EXTERN_FORCE_RELOC 0 | |
78 | ||
79 | /* Values passed to md_apply_fix3 don't include the symbol value. */ | |
80 | #define MD_APPLY_SYM_VALUE(FIX) 0 | |
81 | ||
6655dba2 | 82 | #define LISTING_WORD_SIZE 1 |
3c9b82ba | 83 | |
fb7ccfc1 AM |
84 | /* A single '=' is accepted as a comparison operator. */ |
85 | #define O_SINGLE_EQ O_eq | |
86 | ||
3c9b82ba NC |
87 | /* A '$' is used to refer to the current location or as a hex. prefix. */ |
88 | #define DOLLAR_DOT | |
89 | #define DOLLAR_AMBIGU 1 | |
6655dba2 | 90 | #define LOCAL_LABEL_PREFIX '.' |
3c9b82ba | 91 | #define LOCAL_LABELS_FB 1 |
6655dba2 | 92 | #define LOCAL_LABELS_DOLLAR 1 |
3c9b82ba NC |
93 | #define LITERAL_PREFIXPERCENT_BIN |
94 | #define NUMBERS_WITH_SUFFIX 1 | |
95 | #define NO_PSEUDO_DOT 1 | |
96 | /* We allow single quotes to delimit character constants as | |
97 | well, but it is cleaner to handle that in tc-z80.c. */ | |
98 | #define SINGLE_QUOTE_STRINGS | |
16d87673 | 99 | #define TC_STRING_ESCAPES 0 |
3c9b82ba NC |
100 | |
101 | /* An `.lcomm' directive with no explicit alignment parameter will | |
102 | use this macro to set P2VAR to the alignment that a request for | |
103 | SIZE bytes will have. The alignment is expressed as a power of | |
104 | two. If no alignment should take place, the macro definition | |
105 | should do nothing. Some targets define a `.bss' directive that is | |
106 | also affected by this macro. The default definition will set | |
107 | P2VAR to the truncated power of two of sizes up to eight bytes. */ | |
108 | #define TC_IMPLICIT_LCOMM_ALIGNMENT(SIZE, P2VAR) (P2VAR) = 0 | |
109 | ||
3739860c | 110 | /* It does not make any sense to perform arithmetic on the numbers |
25045f79 AM |
111 | we use to identify registers. */ |
112 | #define md_register_arithmetic 0 | |
113 | ||
6655dba2 SB |
114 | #define TC_LABEL_IS_LOCAL z80_tc_label_is_local |
115 | extern int z80_tc_label_is_local (const char *name); | |
116 | ||
117 | #define elf_tc_final_processing z80_elf_final_processing | |
118 | extern void z80_elf_final_processing (void); | |
119 | ||
3c9b82ba | 120 | #endif |