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252b5132 | 1 | /* tc-m32r.h -- Header file for tc-m32r.c. |
219d1afa | 2 | Copyright (C) 1996-2018 Free Software Foundation, Inc. |
252b5132 RH |
3 | |
4 | This file is part of GAS, the GNU Assembler. | |
5 | ||
6 | GAS is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
ec2655a6 | 8 | the Free Software Foundation; either version 3, or (at your option) |
252b5132 RH |
9 | any later version. |
10 | ||
11 | GAS is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GAS; see the file COPYING. If not, write to | |
4b4da160 NC |
18 | the Free Software Foundation, 51 Franklin Street - Fifth Floor, |
19 | Boston, MA 02110-1301, USA. */ | |
252b5132 RH |
20 | |
21 | #define TC_M32R | |
22 | ||
88845958 NC |
23 | #define LISTING_HEADER \ |
24 | (target_big_endian ? "M32R GAS" : "M32R GAS Little Endian") | |
252b5132 RH |
25 | |
26 | /* The target BFD architecture. */ | |
27 | #define TARGET_ARCH bfd_arch_m32r | |
28 | ||
88845958 NC |
29 | /* The endianness of the target format may change based on command |
30 | line arguments. */ | |
31 | #define TARGET_FORMAT m32r_target_format() | |
ea1562b3 | 32 | extern const char *m32r_target_format (void); |
252b5132 | 33 | |
88845958 NC |
34 | /* Default to big endian. */ |
35 | #ifndef TARGET_BYTES_BIG_ENDIAN | |
252b5132 | 36 | #define TARGET_BYTES_BIG_ENDIAN 1 |
88845958 | 37 | #endif |
252b5132 | 38 | |
88845958 | 39 | /* Call md_pcrel_from_section, not md_pcrel_from. */ |
ea1562b3 | 40 | long md_pcrel_from_section (struct fix *, segT); |
a161fe53 | 41 | #define MD_PCREL_FROM_SECTION(FIX, SEC) md_pcrel_from_section(FIX, SEC) |
252b5132 RH |
42 | |
43 | /* Permit temporary numeric labels. */ | |
44 | #define LOCAL_LABELS_FB 1 | |
45 | ||
ea1562b3 | 46 | #define DIFF_EXPR_OK /* .-foo gets turned into PC relative relocs. */ |
252b5132 RH |
47 | |
48 | /* We don't need to handle .word strangely. */ | |
49 | #define WORKING_DOT_WORD | |
50 | ||
51 | /* For 8 vs 16 vs 32 bit branch selection. */ | |
52 | extern const struct relax_type md_relax_table[]; | |
53 | #define TC_GENERIC_RELAX_TABLE md_relax_table | |
ea1562b3 NC |
54 | |
55 | extern long m32r_relax_frag (segT, fragS *, long); | |
c842b53a | 56 | #define md_relax_frag(segment, fragP, stretch) \ |
ea1562b3 NC |
57 | m32r_relax_frag (segment, fragP, stretch) |
58 | ||
252b5132 | 59 | /* Account for nop if 32 bit insn falls on odd halfword boundary. */ |
ea1562b3 | 60 | #define TC_CGEN_MAX_RELAX(insn, len) 6 |
252b5132 | 61 | |
0a9ef439 | 62 | /* Fill in rs_align_code fragments. */ |
ea1562b3 | 63 | extern void m32r_handle_align (fragS *); |
0a9ef439 RH |
64 | #define HANDLE_ALIGN(f) m32r_handle_align (f) |
65 | ||
66 | #define MAX_MEM_FOR_RS_ALIGN_CODE (1 + 2 + 4) | |
252b5132 | 67 | |
55cf6793 | 68 | /* Values passed to md_apply_fix don't include the symbol value. */ |
a161fe53 AM |
69 | #define MD_APPLY_SYM_VALUE(FIX) 0 |
70 | ||
55cf6793 | 71 | #define md_apply_fix gas_cgen_md_apply_fix |
252b5132 | 72 | |
a161fe53 | 73 | #define tc_fix_adjustable(FIX) m32r_fix_adjustable (FIX) |
ea1562b3 | 74 | bfd_boolean m32r_fix_adjustable (struct fix *); |
252b5132 RH |
75 | |
76 | /* After creating a fixup for an instruction operand, we need to check for | |
77 | HI16 relocs and queue them up for later sorting. */ | |
78 | #define md_cgen_record_fixup_exp m32r_cgen_record_fixup_exp | |
79 | ||
6edf0760 NC |
80 | #define TC_HANDLES_FX_DONE |
81 | ||
82 | extern int pic_code; | |
83 | ||
ea1562b3 | 84 | extern bfd_boolean m32r_fix_adjustable (struct fix *); |
6edf0760 NC |
85 | |
86 | /* This arranges for gas/write.c to not apply a relocation if | |
87 | obj_fix_adjustable() says it is not adjustable. */ | |
88 | #define TC_FIX_ADJUSTABLE(fixP) obj_fix_adjustable (fixP) | |
89 | ||
a161fe53 | 90 | #define tc_frob_file_before_fix() m32r_frob_file () |
ea1562b3 | 91 | extern void m32r_frob_file (void); |
252b5132 | 92 | |
a161fe53 | 93 | /* No shared lib support, so we don't need to ensure externally |
6edf0760 NC |
94 | visible symbols can be overridden. |
95 | #define EXTERN_FORCE_RELOC 0 */ | |
a161fe53 | 96 | |
252b5132 RH |
97 | /* When relaxing, we need to emit various relocs we otherwise wouldn't. */ |
98 | #define TC_FORCE_RELOCATION(fix) m32r_force_relocation (fix) | |
ea1562b3 | 99 | extern int m32r_force_relocation (struct fix *); |
252b5132 RH |
100 | |
101 | /* Ensure insns at labels are aligned to 32 bit boundaries. */ | |
ea1562b3 | 102 | int m32r_fill_insn (int); |
2e57ce7b AM |
103 | #define TC_START_LABEL(STR, NUL_CHAR, NEXT_CHAR) \ |
104 | (NEXT_CHAR == ':' && m32r_fill_insn (0)) | |
252b5132 | 105 | |
04648e65 | 106 | #define md_cleanup() m32r_fill_insn (1) |
252b5132 | 107 | #define md_elf_section_change_hook m32r_elf_section_change_hook |
ea1562b3 | 108 | extern void m32r_elf_section_change_hook (void); |
88845958 NC |
109 | |
110 | #define md_flush_pending_output() m32r_flush_pending_output () | |
ea1562b3 | 111 | extern void m32r_flush_pending_output (void); |
3739860c | 112 | |
88845958 | 113 | #define elf_tc_final_processing m32r_elf_final_processing |
ea1562b3 | 114 | extern void m32r_elf_final_processing (void); |
097f809a | 115 | |
9497f5ac NC |
116 | #define md_parse_name(name, exprP, mode, nextcharP) \ |
117 | m32r_parse_name ((name), (exprP), (mode), (nextcharP)) | |
118 | extern int m32r_parse_name (char const *, expressionS *, enum expr_mode, char *); | |
097f809a NC |
119 | |
120 | /* This is used to construct expressions out of @GOTOFF, @PLT and @GOT | |
121 | symbols. The relocation type is stored in X_md. */ | |
122 | #define O_PIC_reloc O_md1 | |
123 | ||
124 | #define TC_CGEN_PARSE_FIX_EXP(opinfo, exp) \ | |
125 | m32r_cgen_parse_fix_exp(opinfo, exp) | |
ea1562b3 | 126 | extern int m32r_cgen_parse_fix_exp (int, expressionS *); |