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40b36596 JM |
1 | /* Definitions for TI C6X assembler. |
2 | Copyright 2010 | |
3 | Free Software Foundation, Inc. | |
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 | #define TC_TIC6X 1 | |
23 | #define TARGET_BYTES_BIG_ENDIAN 0 | |
24 | #define WORKING_DOT_WORD | |
25 | #define DOUBLEBAR_PARALLEL | |
26 | #define DWARF2_LINE_MIN_INSN_LENGTH 2 | |
27 | #define MD_APPLY_SYM_VALUE(FIX) 0 | |
28 | #define TC_PREDICATE_START_CHAR '[' | |
29 | #define TC_PREDICATE_END_CHAR ']' | |
30 | /* For TI C6X, we keep spaces in what the preprocessor considers | |
31 | operands as they may separate functional unit specifiers from | |
32 | operands. */ | |
33 | #define TC_KEEP_OPERAND_SPACES 1 | |
34 | ||
35 | #define TARGET_ARCH bfd_arch_tic6x | |
36 | #define TARGET_FORMAT (target_big_endian \ | |
37 | ? "elf32-tic6x-be" \ | |
38 | : "elf32-tic6x-le") | |
39 | ||
d99e5b39 | 40 | typedef struct tic6x_label_list |
40b36596 | 41 | { |
d99e5b39 JM |
42 | struct tic6x_label_list *next; |
43 | symbolS *label; | |
44 | } tic6x_label_list; | |
40b36596 | 45 | |
d99e5b39 JM |
46 | typedef struct |
47 | { | |
48 | /* Any labels seen since the last instruction or data. If not NULL, | |
49 | a following instruction may not have parallel bars, but must | |
50 | start a new execute packet. */ | |
51 | tic6x_label_list *label_list; | |
40b36596 JM |
52 | |
53 | /* Whether compact instructions are forbidden here. */ | |
54 | bfd_boolean nocmp; | |
55 | ||
d99e5b39 JM |
56 | /* If there is a current execute packet, the frag being used for |
57 | that execute packet. */ | |
58 | fragS *execute_packet_frag; | |
59 | ||
40b36596 JM |
60 | /* If there is a current execute packet, a pointer to the |
61 | least-significant byte of the last instruction in it (for setting | |
62 | the p-bit). */ | |
63 | char *last_insn_lsb; | |
64 | ||
65 | /* If there has been an SPMASK instruction in the current execute | |
66 | packet, a pointer to the first byte in it (for processing | |
67 | ||^); otherwise NULL. */ | |
68 | char *spmask_addr; | |
69 | ||
70 | /* If an SPLOOP-family instruction has been seen, and a following | |
71 | SPKERNEL-family instruction has not yet been seen, the ii value | |
72 | from the SPLOOP instruction (in the range 1 to 14); otherwise | |
73 | 0. */ | |
74 | int sploop_ii; | |
75 | } tic6x_segment_info_type; | |
76 | #define TC_SEGMENT_INFO_TYPE tic6x_segment_info_type | |
77 | ||
d99e5b39 JM |
78 | typedef struct |
79 | { | |
80 | /* Whether this machine-dependent frag is used for instructions (as | |
81 | opposed to code alignment). */ | |
82 | bfd_boolean is_insns; | |
83 | ||
84 | /* For a frag used for instructions, whether it is may cross a fetch | |
85 | packet boundary (subject to alignment requirements). */ | |
86 | bfd_boolean can_cross_fp_boundary; | |
87 | } tic6x_frag_info; | |
88 | #define TC_FRAG_TYPE tic6x_frag_info | |
89 | #define TC_FRAG_INIT(fragP) tic6x_frag_init (fragP) | |
90 | extern void tic6x_frag_init (fragS *fragp); | |
91 | ||
40b36596 JM |
92 | typedef struct |
93 | { | |
94 | /* Whether this fix was for an ADDA instruction. If so, a constant | |
95 | resulting from resolving the fix should be implicitly shifted | |
96 | left (it represents a value to be encoded literally in the | |
97 | instruction, whereas a non-constant represents a DP-relative | |
98 | value counting in the appropriate units). */ | |
99 | bfd_boolean fix_adda; | |
100 | } tic6x_fix_info; | |
101 | #define TC_FIX_TYPE tic6x_fix_info | |
102 | #define TC_INIT_FIX_DATA(fixP) tic6x_init_fix_data (fixP) | |
103 | struct fix; | |
104 | extern void tic6x_init_fix_data (struct fix *fixP); | |
105 | ||
106 | #define md_after_parse_args() tic6x_after_parse_args () | |
107 | extern void tic6x_after_parse_args (void); | |
108 | ||
109 | #define md_cleanup() tic6x_cleanup () | |
110 | extern void tic6x_cleanup (void); | |
111 | ||
112 | #define md_cons_align(n) tic6x_cons_align (n) | |
113 | extern void tic6x_cons_align (int n); | |
114 | ||
d99e5b39 JM |
115 | #define md_do_align(n, fill, len, max, label) \ |
116 | do { \ | |
117 | if (tic6x_do_align (n, fill, len, max)) \ | |
118 | goto label; \ | |
119 | } while (0) | |
120 | extern bfd_boolean tic6x_do_align (int n, char *fill, int len, int max); | |
121 | ||
122 | #define md_end() tic6x_end (); | |
123 | extern void tic6x_end (void); | |
124 | ||
40b36596 JM |
125 | #define md_parse_name(name, exprP, mode, nextcharP) \ |
126 | tic6x_parse_name (name, exprP, mode, nextcharP) | |
127 | extern int tic6x_parse_name (const char *name, expressionS *exprP, | |
128 | enum expr_mode mode, char *nextchar); | |
129 | ||
41820509 JM |
130 | #define MD_PCREL_FROM_SECTION(FIX, SEC) tic6x_pcrel_from_section (FIX, SEC) |
131 | extern long tic6x_pcrel_from_section (struct fix *fixp, segT sec); | |
132 | ||
40b36596 JM |
133 | #define md_start_line_hook() tic6x_start_line_hook () |
134 | extern void tic6x_start_line_hook (void); | |
135 | ||
136 | #define TC_CONS_FIX_NEW(frag, where, size, exp) \ | |
137 | tic6x_cons_fix_new (frag, where, size, exp) | |
138 | extern void tic6x_cons_fix_new (fragS *frag, int where, int size, | |
139 | expressionS *exp); | |
140 | ||
141 | #define tc_frob_label(sym) tic6x_frob_label (sym) | |
142 | extern void tic6x_frob_label (symbolS *sym); | |
143 | ||
41820509 JM |
144 | #define tc_init_after_args() tic6x_init_after_args () |
145 | extern void tic6x_init_after_args (void); | |
146 | ||
40b36596 JM |
147 | #define tc_unrecognized_line(c) tic6x_unrecognized_line (c) |
148 | extern int tic6x_unrecognized_line (int c); |