| 1 | /* this is tc-z80.h |
| 2 | Copyright (C) 2005-2020 Free Software Foundation, Inc. |
| 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 |
| 10 | the Free Software Foundation; either version 3, or (at your option) |
| 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 |
| 27 | #ifndef OBJ_COFF |
| 28 | #define TARGET_FORMAT "elf32-z80" |
| 29 | #endif |
| 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; } |
| 61 | #define TC_CONS_FIX_NEW(f,w,s,e,r) z80_cons_fix_new ((f), (w), (s), (e)) |
| 62 | |
| 63 | extern void z80_md_end (void); |
| 64 | extern int z80_start_line_hook (void); |
| 65 | extern void z80_cons_fix_new (fragS *, int, int, expressionS *); |
| 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 | |
| 82 | #define LISTING_WORD_SIZE 1 |
| 83 | |
| 84 | /* A single '=' is accepted as a comparison operator. */ |
| 85 | #define O_SINGLE_EQ O_eq |
| 86 | |
| 87 | /* A '$' is used to refer to the current location or as a hex. prefix. */ |
| 88 | #define DOLLAR_DOT |
| 89 | #define DOLLAR_AMBIGU 1 |
| 90 | #define LOCAL_LABEL_PREFIX '.' |
| 91 | #define LOCAL_LABELS_FB 1 |
| 92 | #define LOCAL_LABELS_DOLLAR 1 |
| 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 |
| 99 | #define TC_STRING_ESCAPES 0 |
| 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 | |
| 110 | /* It does not make any sense to perform arithmetic on the numbers |
| 111 | we use to identify registers. */ |
| 112 | #define md_register_arithmetic 0 |
| 113 | |
| 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 | |
| 120 | #endif |