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1c0d3aa6 NC |
1 | /* tc-score.c -- Assembler for Score |
2 | Copyright 2006 Free Software Foundation, Inc. | |
3 | Contributed by: | |
4 | Mei Ligang (ligang@sunnorth.com.cn) | |
5 | Pei-Lin Tsai (pltsai@sunplus.com) | |
6 | ||
7 | This file is part of GAS, the GNU Assembler. | |
8 | ||
9 | GAS is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2, or (at your option) | |
12 | any later version. | |
13 | ||
14 | GAS is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
20 | along with GAS; see the file COPYING. If not, write to the Free | |
21 | Software Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA | |
22 | 02110-1301, USA. */ | |
23 | ||
24 | #include "as.h" | |
25 | #include "config.h" | |
26 | #include "subsegs.h" | |
27 | #include "safe-ctype.h" | |
28 | #include "opcode/score-inst.h" | |
29 | #include "opcode/score-datadep.h" | |
30 | #include "struc-symbol.h" | |
31 | ||
32 | #ifdef OBJ_ELF | |
33 | #include "elf/score.h" | |
34 | #include "dwarf2dbg.h" | |
35 | #endif | |
36 | ||
37 | #define GP 28 | |
38 | #define PIC_CALL_REG 29 | |
39 | #define MAX_LITERAL_POOL_SIZE 1024 | |
40 | #define FAIL 0x80000000 | |
41 | #define SUCCESS 0 | |
42 | #define INSN_SIZE 4 | |
43 | #define INSN16_SIZE 2 | |
44 | #define RELAX_INST_NUM 3 | |
1c0d3aa6 NC |
45 | |
46 | /* For score5u : div/mul will pop warning message, mmu/alw/asw will pop error message. */ | |
47 | #define BAD_ARGS _("bad arguments to instruction") | |
48 | #define BAD_PC _("r15 not allowed here") | |
49 | #define BAD_COND _("instruction is not conditional") | |
50 | #define ERR_NO_ACCUM _("acc0 expected") | |
51 | #define ERR_FOR_SCORE5U_MUL_DIV _("div / mul are reserved instructions") | |
52 | #define ERR_FOR_SCORE5U_MMU _("This architecture doesn't support mmu") | |
53 | #define ERR_FOR_SCORE5U_ATOMIC _("This architecture doesn't support atomic instruction") | |
54 | #define LONG_LABEL_LEN _("the label length is longer than 1024"); | |
55 | #define BAD_SKIP_COMMA BAD_ARGS | |
56 | #define BAD_GARBAGE _("garbage following instruction"); | |
57 | ||
58 | #define skip_whitespace(str) while (*(str) == ' ') ++(str) | |
59 | ||
60 | /* The name of the readonly data section. */ | |
61 | #define RDATA_SECTION_NAME (OUTPUT_FLAVOR == bfd_target_aout_flavour \ | |
62 | ? ".data" \ | |
63 | : OUTPUT_FLAVOR == bfd_target_ecoff_flavour \ | |
64 | ? ".rdata" \ | |
65 | : OUTPUT_FLAVOR == bfd_target_coff_flavour \ | |
66 | ? ".rdata" \ | |
67 | : OUTPUT_FLAVOR == bfd_target_elf_flavour \ | |
68 | ? ".rodata" \ | |
69 | : (abort (), "")) | |
70 | ||
71 | #define RELAX_ENCODE(old, new, type, reloc1, reloc2, opt) \ | |
72 | ((relax_substateT) \ | |
73 | (((old) << 23) \ | |
74 | | ((new) << 16) \ | |
75 | | ((type) << 9) \ | |
76 | | ((reloc1) << 5) \ | |
77 | | ((reloc2) << 1) \ | |
78 | | ((opt) ? 1 : 0))) | |
79 | ||
80 | #define RELAX_OLD(i) (((i) >> 23) & 0x7f) | |
81 | #define RELAX_NEW(i) (((i) >> 16) & 0x7f) | |
82 | #define RELAX_TYPE(i) (((i) >> 9) & 0x7f) | |
83 | #define RELAX_RELOC1(i) ((valueT) ((i) >> 5) & 0xf) | |
84 | #define RELAX_RELOC2(i) ((valueT) ((i) >> 1) & 0xf) | |
85 | #define RELAX_OPT(i) ((i) & 1) | |
86 | #define RELAX_OPT_CLEAR(i) ((i) & ~1) | |
87 | ||
88 | #define SET_INSN_ERROR(s) (inst.error = (s)) | |
89 | #define INSN_IS_PCE_P(s) (strstr (str, "||") != NULL) | |
90 | ||
91 | #define GET_INSN_CLASS(type) (get_insn_class_from_type (type)) | |
92 | ||
93 | #define GET_INSN_SIZE(type) ((GET_INSN_CLASS (type) == INSN_CLASS_16) \ | |
94 | ? INSN16_SIZE : INSN_SIZE) | |
95 | ||
96 | /* This array holds the chars that always start a comment. If the | |
97 | pre-processor is disabled, these aren't very useful. */ | |
98 | const char comment_chars[] = "#"; | |
99 | const char line_comment_chars[] = "#"; | |
100 | const char line_separator_chars[] = ";"; | |
101 | ||
102 | /* Chars that can be used to separate mant from exp in floating point numbers. */ | |
103 | const char EXP_CHARS[] = "eE"; | |
104 | const char FLT_CHARS[] = "rRsSfFdDxXeEpP"; | |
105 | ||
106 | fragS *score_fragp = 0; | |
107 | static int fix_data_dependency = 0; | |
108 | static int warn_fix_data_dependency = 1; | |
109 | static int score7 = 1; | |
110 | static int university_version = 0; | |
111 | ||
112 | static int in_my_get_expression = 0; | |
113 | ||
114 | #define USE_GLOBAL_POINTER_OPT 1 | |
115 | #define SCORE_BI_ENDIAN | |
116 | ||
117 | /* Default, pop warning message when using r1. */ | |
118 | static int nor1 = 1; | |
119 | ||
120 | /* Default will do instruction relax, -O0 will set g_opt = 0. */ | |
121 | static unsigned int g_opt = 1; | |
122 | ||
123 | /* The size of the small data section. */ | |
124 | static unsigned int g_switch_value = 8; | |
125 | ||
126 | #ifdef OBJ_ELF | |
127 | /* Pre-defined "_GLOBAL_OFFSET_TABLE_" */ | |
128 | symbolS *GOT_symbol; | |
129 | #endif | |
130 | static segT pdr_seg; | |
131 | ||
132 | enum score_pic_level score_pic = NO_PIC; | |
133 | ||
134 | #define INSN_NAME_LEN 16 | |
135 | struct score_it | |
136 | { | |
137 | char name[INSN_NAME_LEN]; | |
138 | unsigned long instruction; | |
139 | unsigned long relax_inst; | |
140 | int size; | |
141 | int relax_size; | |
142 | enum score_insn_type type; | |
143 | char str[MAX_LITERAL_POOL_SIZE]; | |
144 | const char *error; | |
145 | int bwarn; | |
146 | char reg[INSN_NAME_LEN]; | |
147 | struct | |
148 | { | |
149 | bfd_reloc_code_real_type type; | |
150 | expressionS exp; | |
151 | int pc_rel; | |
152 | }reloc; | |
153 | }; | |
154 | struct score_it inst; | |
155 | ||
156 | typedef struct proc | |
157 | { | |
158 | symbolS *isym; | |
159 | unsigned long reg_mask; | |
160 | unsigned long reg_offset; | |
161 | unsigned long fpreg_mask; | |
162 | unsigned long leaf; | |
163 | unsigned long frame_offset; | |
164 | unsigned long frame_reg; | |
165 | unsigned long pc_reg; | |
166 | } | |
167 | procS; | |
168 | ||
169 | static procS cur_proc; | |
170 | static procS *cur_proc_ptr; | |
171 | static int numprocs; | |
172 | ||
173 | #define SCORE7_PIPELINE 7 | |
174 | #define SCORE5_PIPELINE 5 | |
175 | static int vector_size = SCORE7_PIPELINE; | |
176 | struct score_it dependency_vector[SCORE7_PIPELINE]; | |
177 | ||
178 | /* Relax will need some padding for alignment. */ | |
179 | #define RELAX_PAD_BYTE 3 | |
180 | ||
181 | /* Number of littlenums required to hold an extended precision number. For md_atof. */ | |
182 | #define NUM_FLOAT_VALS 8 | |
183 | #define MAX_LITTLENUMS 6 | |
184 | LITTLENUM_TYPE fp_values[NUM_FLOAT_VALS][MAX_LITTLENUMS]; | |
185 | ||
186 | /* Structure for a hash table entry for a register. */ | |
187 | struct reg_entry | |
188 | { | |
189 | const char *name; | |
190 | int number; | |
191 | }; | |
192 | ||
193 | static const struct reg_entry score_rn_table[] = | |
194 | { | |
195 | {"r0", 0}, {"r1", 1}, {"r2", 2}, {"r3", 3}, | |
196 | {"r4", 4}, {"r5", 5}, {"r6", 6}, {"r7", 7}, | |
197 | {"r8", 8}, {"r9", 9}, {"r10", 10}, {"r11", 11}, | |
198 | {"r12", 12}, {"r13", 13}, {"r14", 14}, {"r15", 15}, | |
199 | {"r16", 16}, {"r17", 17}, {"r18", 18}, {"r19", 19}, | |
200 | {"r20", 20}, {"r21", 21}, {"r22", 22}, {"r23", 23}, | |
201 | {"r24", 24}, {"r25", 25}, {"r26", 26}, {"r27", 27}, | |
202 | {"r28", 28}, {"r29", 29}, {"r30", 30}, {"r31", 31}, | |
203 | {NULL, 0} | |
204 | }; | |
205 | ||
206 | static const struct reg_entry score_srn_table[] = | |
207 | { | |
208 | {"sr0", 0}, {"sr1", 1}, {"sr2", 2}, | |
209 | {NULL, 0} | |
210 | }; | |
211 | ||
212 | static const struct reg_entry score_crn_table[] = | |
213 | { | |
214 | {"cr0", 0}, {"cr1", 1}, {"cr2", 2}, {"cr3", 3}, | |
215 | {"cr4", 4}, {"cr5", 5}, {"cr6", 6}, {"cr7", 7}, | |
216 | {"cr8", 8}, {"cr9", 9}, {"cr10", 10}, {"cr11", 11}, | |
217 | {"cr12", 12}, {"cr13", 13}, {"cr14", 14}, {"cr15", 15}, | |
218 | {"cr16", 16}, {"cr17", 17}, {"cr18", 18}, {"cr19", 19}, | |
219 | {"cr20", 20}, {"cr21", 21}, {"cr22", 22}, {"cr23", 23}, | |
220 | {"cr24", 24}, {"cr25", 25}, {"cr26", 26}, {"cr27", 27}, | |
221 | {"cr28", 28}, {"cr29", 29}, {"cr30", 30}, {"cr31", 31}, | |
222 | {NULL, 0} | |
223 | }; | |
224 | ||
225 | struct reg_map | |
226 | { | |
227 | const struct reg_entry *names; | |
228 | int max_regno; | |
229 | struct hash_control *htab; | |
230 | const char *expected; | |
231 | }; | |
232 | ||
233 | struct reg_map all_reg_maps[] = | |
234 | { | |
235 | {score_rn_table, 31, NULL, N_("S+core register expected")}, | |
236 | {score_srn_table, 2, NULL, N_("S+core special-register expected")}, | |
237 | {score_crn_table, 31, NULL, N_("S+core co-processor register expected")}, | |
238 | }; | |
239 | ||
240 | static struct hash_control *score_ops_hsh = NULL; | |
241 | ||
242 | static struct hash_control *dependency_insn_hsh = NULL; | |
243 | ||
244 | /* Enumeration matching entries in table above. */ | |
245 | enum score_reg_type | |
246 | { | |
247 | REG_TYPE_SCORE = 0, | |
248 | #define REG_TYPE_FIRST REG_TYPE_SCORE | |
249 | REG_TYPE_SCORE_SR = 1, | |
250 | REG_TYPE_SCORE_CR = 2, | |
251 | REG_TYPE_MAX = 3 | |
252 | }; | |
253 | ||
254 | typedef struct literalS | |
255 | { | |
256 | struct expressionS exp; | |
257 | struct score_it *inst; | |
258 | } | |
259 | literalT; | |
260 | ||
261 | literalT literals[MAX_LITERAL_POOL_SIZE]; | |
262 | ||
263 | static void do_ldst_insn (char *); | |
264 | static void do_crdcrscrsimm5 (char *); | |
265 | static void do_ldst_unalign (char *); | |
266 | static void do_ldst_atomic (char *); | |
267 | static void do_ldst_cop (char *); | |
268 | static void do_macro_li_rdi32 (char *); | |
269 | static void do_macro_la_rdi32 (char *); | |
270 | static void do_macro_rdi32hi (char *); | |
271 | static void do_macro_rdi32lo (char *); | |
272 | static void do_macro_mul_rdrsrs (char *); | |
273 | static void do_macro_ldst_label (char *); | |
274 | static void do_branch (char *); | |
275 | static void do_jump (char *); | |
276 | static void do_empty (char *); | |
277 | static void do_rdrsrs (char *); | |
278 | static void do_rdsi16 (char *); | |
279 | static void do_rdrssi14 (char *); | |
280 | static void do_sub_rdsi16 (char *); | |
281 | static void do_sub_rdi16 (char *); | |
282 | static void do_sub_rdrssi14 (char *); | |
283 | static void do_rdrsi5 (char *); | |
284 | static void do_rdrsi14 (char *); | |
285 | static void do_rdi16 (char *); | |
286 | static void do_xrsi5 (char *); | |
287 | static void do_rdrs (char *); | |
288 | static void do_rdxrs (char *); | |
289 | static void do_rsrs (char *); | |
290 | static void do_rdcrs (char *); | |
291 | static void do_rdsrs (char *); | |
292 | static void do_rd (char *); | |
293 | static void do_rs (char *); | |
294 | static void do_i15 (char *); | |
295 | static void do_xi5x (char *); | |
296 | static void do_ceinst (char *); | |
297 | static void do_cache (char *); | |
298 | static void do16_rdrs (char *); | |
299 | static void do16_rs (char *); | |
300 | static void do16_xrs (char *); | |
301 | static void do16_mv_rdrs (char *); | |
302 | static void do16_hrdrs (char *); | |
303 | static void do16_rdhrs (char *); | |
304 | static void do16_rdi4 (char *); | |
305 | static void do16_rdi5 (char *); | |
306 | static void do16_xi5 (char *); | |
307 | static void do16_ldst_insn (char *); | |
308 | static void do16_ldst_imm_insn (char *); | |
309 | static void do16_push_pop (char *); | |
310 | static void do16_branch (char *); | |
311 | static void do16_jump (char *); | |
312 | static void do_rdi16_pic (char *); | |
313 | static void do_addi_s_pic (char *); | |
314 | static void do_addi_u_pic (char *); | |
315 | static void do_lw_pic (char *); | |
316 | ||
317 | static const struct asm_opcode score_ldst_insns[] = | |
318 | { | |
319 | {"lw", 0x20000000, 0x3e000000, 0x2008, Rd_rvalueRs_SI15, do_ldst_insn}, | |
320 | {"lw", 0x06000000, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, do_ldst_insn}, | |
321 | {"lw", 0x0e000000, 0x3e000007, 0x200a, Rd_rvalueRs_postSI12, do_ldst_insn}, | |
322 | {"lh", 0x22000000, 0x3e000000, 0x2009, Rd_rvalueRs_SI15, do_ldst_insn}, | |
323 | {"lh", 0x06000001, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, do_ldst_insn}, | |
324 | {"lh", 0x0e000001, 0x3e000007, 0x8000, Rd_rvalueRs_postSI12, do_ldst_insn}, | |
325 | {"lhu", 0x24000000, 0x3e000000, 0x8000, Rd_rvalueRs_SI15, do_ldst_insn}, | |
326 | {"lhu", 0x06000002, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, do_ldst_insn}, | |
327 | {"lhu", 0x0e000002, 0x3e000007, 0x8000, Rd_rvalueRs_postSI12, do_ldst_insn}, | |
328 | {"lb", 0x26000000, 0x3e000000, 0x8000, Rd_rvalueRs_SI15, do_ldst_insn}, | |
329 | {"lb", 0x06000003, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, do_ldst_insn}, | |
330 | {"lb", 0x0e000003, 0x3e000007, 0x8000, Rd_rvalueRs_postSI12, do_ldst_insn}, | |
331 | {"sw", 0x28000000, 0x3e000000, 0x200c, Rd_lvalueRs_SI15, do_ldst_insn}, | |
332 | {"sw", 0x06000004, 0x3e000007, 0x200e, Rd_lvalueRs_preSI12, do_ldst_insn}, | |
333 | {"sw", 0x0e000004, 0x3e000007, 0x8000, Rd_lvalueRs_postSI12, do_ldst_insn}, | |
334 | {"sh", 0x2a000000, 0x3e000000, 0x200d, Rd_lvalueRs_SI15, do_ldst_insn}, | |
335 | {"sh", 0x06000005, 0x3e000007, 0x8000, Rd_lvalueRs_preSI12, do_ldst_insn}, | |
336 | {"sh", 0x0e000005, 0x3e000007, 0x8000, Rd_lvalueRs_postSI12, do_ldst_insn}, | |
337 | {"lbu", 0x2c000000, 0x3e000000, 0x200b, Rd_rvalueRs_SI15, do_ldst_insn}, | |
338 | {"lbu", 0x06000006, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, do_ldst_insn}, | |
339 | {"lbu", 0x0e000006, 0x3e000007, 0x8000, Rd_rvalueRs_postSI12, do_ldst_insn}, | |
340 | {"sb", 0x2e000000, 0x3e000000, 0x200f, Rd_lvalueRs_SI15, do_ldst_insn}, | |
341 | {"sb", 0x06000007, 0x3e000007, 0x8000, Rd_lvalueRs_preSI12, do_ldst_insn}, | |
342 | {"sb", 0x0e000007, 0x3e000007, 0x8000, Rd_lvalueRs_postSI12, do_ldst_insn}, | |
343 | }; | |
344 | ||
345 | static const struct asm_opcode score_insns[] = | |
346 | { | |
347 | {"abs", 0x3800000a, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs}, | |
348 | {"abs.s", 0x3800004b, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs}, | |
349 | {"add", 0x00000010, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs}, | |
350 | {"add.c", 0x00000011, 0x3e0003ff, 0x2000, Rd_Rs_Rs, do_rdrsrs}, | |
351 | {"add.s", 0x38000048, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs}, | |
352 | {"addc", 0x00000012, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs}, | |
353 | {"addc.c", 0x00000013, 0x3e0003ff, 0x0009, Rd_Rs_Rs, do_rdrsrs}, | |
354 | {"addi", 0x02000000, 0x3e0e0001, 0x8000, Rd_SI16, do_rdsi16}, | |
355 | {"addi.c", 0x02000001, 0x3e0e0001, 0x8000, Rd_SI16, do_rdsi16}, | |
356 | {"addis", 0x0a000000, 0x3e0e0001, 0x8000, Rd_SI16, do_rdi16}, | |
357 | {"addis.c", 0x0a000001, 0x3e0e0001, 0x8000, Rd_SI16, do_rdi16}, | |
358 | {"addri", 0x10000000, 0x3e000001, 0x8000, Rd_Rs_SI14, do_rdrssi14}, | |
359 | {"addri.c", 0x10000001, 0x3e000001, 0x8000, Rd_Rs_SI14, do_rdrssi14}, | |
360 | {"addc!", 0x0009, 0x700f, 0x00000013, Rd_Rs, do16_rdrs}, | |
361 | {"add!", 0x2000, 0x700f, 0x00000011, Rd_Rs, do16_rdrs}, | |
362 | {"addei!", 0x6000 , 0x7087, 0x02000001, Rd_I4, do16_rdi4}, | |
363 | {"subi", 0x02000000, 0x3e0e0001, 0x8000, Rd_SI16, do_sub_rdsi16}, | |
364 | {"subi.c", 0x02000001, 0x3e0e0001, 0x8000, Rd_SI16, do_sub_rdsi16}, | |
365 | {"subis", 0x0a000000, 0x3e0e0001, 0x8000, Rd_SI16, do_sub_rdi16}, | |
366 | {"subis.c", 0x0a000001, 0x3e0e0001, 0x8000, Rd_SI16, do_sub_rdi16}, | |
367 | {"subri", 0x10000000, 0x3e000001, 0x8000, Rd_Rs_SI14, do_sub_rdrssi14}, | |
368 | {"subri.c", 0x10000001, 0x3e000001, 0x8000, Rd_Rs_SI14, do_sub_rdrssi14}, | |
369 | {"and", 0x00000020, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs}, | |
370 | {"and.c", 0x00000021, 0x3e0003ff, 0x2004, Rd_Rs_Rs, do_rdrsrs}, | |
371 | {"andi", 0x02080000, 0x3e0e0001, 0x8000, Rd_I16, do_rdi16}, | |
372 | {"andi.c", 0x02080001, 0x3e0e0001, 0x8000, Rd_I16, do_rdi16}, | |
373 | {"andis", 0x0a080000, 0x3e0e0001, 0x8000, Rd_I16, do_rdi16}, | |
374 | {"andis.c", 0x0a080001, 0x3e0e0001, 0x8000, Rd_I16, do_rdi16}, | |
375 | {"andri", 0x18000000, 0x3e000001, 0x8000, Rd_Rs_I14, do_rdrsi14}, | |
376 | {"andri.c", 0x18000001, 0x3e000001, 0x8000, Rd_Rs_I14, do_rdrsi14}, | |
377 | {"and!", 0x2004, 0x700f, 0x00000021, Rd_Rs, do16_rdrs}, | |
378 | {"bcs", 0x08000000, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
379 | {"bcc", 0x08000400, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
380 | {"bcnz", 0x08003800, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
381 | {"bcsl", 0x08000001, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
382 | {"bccl", 0x08000401, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
383 | {"bcnzl", 0x08003801, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
384 | {"bcs!", 0x4000, 0x7f00, 0x08000000, PC_DISP8div2, do16_branch}, | |
385 | {"bcc!", 0x4100, 0x7f00, 0x08000400, PC_DISP8div2, do16_branch}, | |
386 | {"bcnz!", 0x4e00, 0x7f00, 0x08003800, PC_DISP8div2, do16_branch}, | |
387 | {"beq", 0x08001000, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
388 | {"beql", 0x08001001, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
389 | {"beq!", 0x4400, 0x7f00, 0x08001000, PC_DISP8div2, do16_branch}, | |
390 | {"bgtu", 0x08000800, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
391 | {"bgt", 0x08001800, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
392 | {"bge", 0x08002000, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
393 | {"bgtul", 0x08000801, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
394 | {"bgtl", 0x08001801, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
395 | {"bgel", 0x08002001, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
396 | {"bgtu!", 0x4200, 0x7f00, 0x08000800, PC_DISP8div2, do16_branch}, | |
397 | {"bgt!", 0x4600, 0x7f00, 0x08001800, PC_DISP8div2, do16_branch}, | |
398 | {"bge!", 0x4800, 0x7f00, 0x08002000, PC_DISP8div2, do16_branch}, | |
399 | {"bitclr.c", 0x00000029, 0x3e0003ff, 0x6004, Rd_Rs_I5, do_rdrsi5}, | |
400 | {"bitrev", 0x3800000c, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs}, | |
401 | {"bitset.c", 0x0000002b, 0x3e0003ff, 0x6005, Rd_Rs_I5, do_rdrsi5}, | |
402 | {"bittst.c", 0x0000002d, 0x3e0003ff, 0x6006, x_Rs_I5, do_xrsi5}, | |
403 | {"bittgl.c", 0x0000002f, 0x3e0003ff, 0x6007, Rd_Rs_I5, do_rdrsi5}, | |
404 | {"bitclr!", 0x6004, 0x7007, 0x00000029, Rd_I5, do16_rdi5}, | |
405 | {"bitset!", 0x6005, 0x7007, 0x0000002b, Rd_I5, do16_rdi5}, | |
406 | {"bittst!", 0x6006, 0x7007, 0x0000002d, Rd_I5, do16_rdi5}, | |
407 | {"bittgl!", 0x6007, 0x7007, 0x0000002f, Rd_I5, do16_rdi5}, | |
408 | {"bleu", 0x08000c00, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
409 | {"ble", 0x08001c00, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
410 | {"blt", 0x08002400, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
411 | {"bleul", 0x08000c01, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
412 | {"blel", 0x08001c01, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
413 | {"bltl", 0x08002401, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
414 | {"bl", 0x08003c01, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
415 | {"bleu!", 0x4300, 0x7f00, 0x08000c00, PC_DISP8div2, do16_branch}, | |
416 | {"ble!", 0x4700, 0x7f00, 0x08001c00, PC_DISP8div2, do16_branch}, | |
417 | {"blt!", 0x4900, 0x7f00, 0x08002400, PC_DISP8div2, do16_branch}, | |
418 | {"bmi", 0x08002800, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
419 | {"bmil", 0x08002801, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
420 | {"bmi!", 0x00004a00, 0x00007f00, 0x08002800, PC_DISP8div2, do16_branch}, | |
421 | {"bne", 0x08001400, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
422 | {"bnel", 0x08001401, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
423 | {"bne!", 0x4500, 0x7f00, 0x08001400, PC_DISP8div2, do16_branch}, | |
424 | {"bpl", 0x08002c00, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
425 | {"bpll", 0x08002c01, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
426 | {"bpl!", 0x4b00, 0x7f00, 0x08002c00, PC_DISP8div2, do16_branch}, | |
427 | {"brcs", 0x00000008, 0x3e007fff, 0x0004, x_Rs_x, do_rs}, | |
428 | {"brcc", 0x00000408, 0x3e007fff, 0x0104, x_Rs_x, do_rs}, | |
429 | {"brgtu", 0x00000808, 0x3e007fff, 0x0204, x_Rs_x, do_rs}, | |
430 | {"brleu", 0x00000c08, 0x3e007fff, 0x0304, x_Rs_x, do_rs}, | |
431 | {"breq", 0x00001008, 0x3e007fff, 0x0404, x_Rs_x, do_rs}, | |
432 | {"brne", 0x00001408, 0x3e007fff, 0x0504, x_Rs_x, do_rs}, | |
433 | {"brgt", 0x00001808, 0x3e007fff, 0x0604, x_Rs_x, do_rs}, | |
434 | {"brle", 0x00001c08, 0x3e007fff, 0x0704, x_Rs_x, do_rs}, | |
435 | {"brge", 0x00002008, 0x3e007fff, 0x0804, x_Rs_x, do_rs}, | |
436 | {"brlt", 0x00002408, 0x3e007fff, 0x0904, x_Rs_x, do_rs}, | |
437 | {"brmi", 0x00002808, 0x3e007fff, 0x0a04, x_Rs_x, do_rs}, | |
438 | {"brpl", 0x00002c08, 0x3e007fff, 0x0b04, x_Rs_x, do_rs}, | |
439 | {"brvs", 0x00003008, 0x3e007fff, 0x0c04, x_Rs_x, do_rs}, | |
440 | {"brvc", 0x00003408, 0x3e007fff, 0x0d04, x_Rs_x, do_rs}, | |
441 | {"brcnz", 0x00003808, 0x3e007fff, 0x0e04, x_Rs_x, do_rs}, | |
442 | {"br", 0x00003c08, 0x3e007fff, 0x0f04, x_Rs_x, do_rs}, | |
443 | {"brcsl", 0x00000009, 0x3e007fff, 0x000c, x_Rs_x, do_rs}, | |
444 | {"brccl", 0x00000409, 0x3e007fff, 0x010c, x_Rs_x, do_rs}, | |
445 | {"brgtul", 0x00000809, 0x3e007fff, 0x020c, x_Rs_x, do_rs}, | |
446 | {"brleul", 0x00000c09, 0x3e007fff, 0x030c, x_Rs_x, do_rs}, | |
447 | {"breql", 0x00001009, 0x3e007fff, 0x040c, x_Rs_x, do_rs}, | |
448 | {"brnel", 0x00001409, 0x3e007fff, 0x050c, x_Rs_x, do_rs}, | |
449 | {"brgtl", 0x00001809, 0x3e007fff, 0x060c, x_Rs_x, do_rs}, | |
450 | {"brlel", 0x00001c09, 0x3e007fff, 0x070c, x_Rs_x, do_rs}, | |
451 | {"brgel", 0x00002009, 0x3e007fff, 0x080c, x_Rs_x, do_rs}, | |
452 | {"brltl", 0x00002409, 0x3e007fff, 0x090c, x_Rs_x, do_rs}, | |
453 | {"brmil", 0x00002809, 0x3e007fff, 0x0a0c, x_Rs_x, do_rs}, | |
454 | {"brpll", 0x00002c09, 0x3e007fff, 0x0b0c, x_Rs_x, do_rs}, | |
455 | {"brvsl", 0x00003009, 0x3e007fff, 0x0c0c, x_Rs_x, do_rs}, | |
456 | {"brvcl", 0x00003409, 0x3e007fff, 0x0d0c, x_Rs_x, do_rs}, | |
457 | {"brcnzl", 0x00003809, 0x3e007fff, 0x0e0c, x_Rs_x, do_rs}, | |
458 | {"brl", 0x00003c09, 0x3e007fff, 0x0f0c, x_Rs_x, do_rs}, | |
459 | {"brcs!", 0x0004, 0x7f0f, 0x00000008, x_Rs, do16_xrs}, | |
460 | {"brcc!", 0x0104, 0x7f0f, 0x00000408, x_Rs, do16_xrs}, | |
461 | {"brgtu!", 0x0204, 0x7f0f, 0x00000808, x_Rs, do16_xrs}, | |
462 | {"brleu!", 0x0304, 0x7f0f, 0x00000c08, x_Rs, do16_xrs}, | |
463 | {"breq!", 0x0404, 0x7f0f, 0x00001008, x_Rs, do16_xrs}, | |
464 | {"brne!", 0x0504, 0x7f0f, 0x00001408, x_Rs, do16_xrs}, | |
465 | {"brgt!", 0x0604, 0x7f0f, 0x00001808, x_Rs, do16_xrs}, | |
466 | {"brle!", 0x0704, 0x7f0f, 0x00001c08, x_Rs, do16_xrs}, | |
467 | {"brge!", 0x0804, 0x7f0f, 0x00002008, x_Rs, do16_xrs}, | |
468 | {"brlt!", 0x0904, 0x7f0f, 0x00002408, x_Rs, do16_xrs}, | |
469 | {"brmi!", 0x0a04, 0x7f0f, 0x00002808, x_Rs, do16_xrs}, | |
470 | {"brpl!", 0x0b04, 0x7f0f, 0x00002c08, x_Rs, do16_xrs}, | |
471 | {"brvs!", 0x0c04, 0x7f0f, 0x00003008, x_Rs, do16_xrs}, | |
472 | {"brvc!", 0x0d04, 0x7f0f, 0x00003408, x_Rs, do16_xrs}, | |
473 | {"brcnz!", 0x0e04, 0x7f0f, 0x00003808, x_Rs, do16_xrs}, | |
474 | {"br!", 0x0f04, 0x7f0f, 0x00003c08, x_Rs, do16_xrs}, | |
475 | {"brcsl!", 0x000c, 0x7f0f, 0x00000009, x_Rs, do16_xrs}, | |
476 | {"brccl!", 0x010c, 0x7f0f, 0x00000409, x_Rs, do16_xrs}, | |
477 | {"brgtul!", 0x020c, 0x7f0f, 0x00000809, x_Rs, do16_xrs}, | |
478 | {"brleul!", 0x030c, 0x7f0f, 0x00000c09, x_Rs, do16_xrs}, | |
479 | {"breql!", 0x040c, 0x7f0f, 0x00001009, x_Rs, do16_xrs}, | |
480 | {"brnel!", 0x050c, 0x7f0f, 0x00001409, x_Rs, do16_xrs}, | |
481 | {"brgtl!", 0x060c, 0x7f0f, 0x00001809, x_Rs, do16_xrs}, | |
482 | {"brlel!", 0x070c, 0x7f0f, 0x00001c09, x_Rs, do16_xrs}, | |
483 | {"brgel!", 0x080c, 0x7f0f, 0x00002009, x_Rs, do16_xrs}, | |
484 | {"brltl!", 0x090c, 0x7f0f, 0x00002409, x_Rs, do16_xrs}, | |
485 | {"brmil!", 0x0a0c, 0x7f0f, 0x00002809, x_Rs, do16_xrs}, | |
486 | {"brpll!", 0x0b0c, 0x7f0f, 0x00002c09, x_Rs, do16_xrs}, | |
487 | {"brvsl!", 0x0c0c, 0x7f0f, 0x00003009, x_Rs, do16_xrs}, | |
488 | {"brvcl!", 0x0d0c, 0x7f0f, 0x00003409, x_Rs, do16_xrs}, | |
489 | {"brcnzl!", 0x0e0c, 0x7f0f, 0x00003809, x_Rs, do16_xrs}, | |
490 | {"brl!", 0x0f0c, 0x7f0f, 0x00003c09, x_Rs, do16_xrs}, | |
491 | {"bvs", 0x08003000, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
492 | {"bvc", 0x08003400, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
493 | {"bvsl", 0x08003001, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
494 | {"bvcl", 0x08003401, 0x3e007c01, 0x8000, PC_DISP19div2, do_branch}, | |
495 | {"bvs!", 0x4c00, 0x7f00, 0x08003000, PC_DISP8div2, do16_branch}, | |
496 | {"bvc!", 0x4d00, 0x7f00, 0x08003400, PC_DISP8div2, do16_branch}, | |
497 | {"b!", 0x4f00, 0x7f00, 0x08003c00, PC_DISP8div2, do16_branch}, | |
498 | {"b", 0x08003c00, 0x3e007c01, 0x08003c00, PC_DISP19div2, do_branch}, | |
499 | {"cache", 0x30000000, 0x3ff00000, 0x8000, OP5_rvalueRs_SI15, do_cache}, | |
500 | {"ceinst", 0x38000000, 0x3e000000, 0x8000, I5_Rs_Rs_I5_OP5, do_ceinst}, | |
501 | {"clz", 0x3800000d, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs}, | |
502 | {"cmpteq.c", 0x00000019, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs}, | |
503 | {"cmptmi.c", 0x00100019, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs}, | |
504 | {"cmp.c", 0x00300019, 0x3ff003ff, 0x2003, x_Rs_Rs, do_rsrs}, | |
505 | {"cmpzteq.c", 0x0000001b, 0x3ff07fff, 0x8000, x_Rs_x, do_rs}, | |
506 | {"cmpztmi.c", 0x0010001b, 0x3ff07fff, 0x8000, x_Rs_x, do_rs}, | |
507 | {"cmpz.c", 0x0030001b, 0x3ff07fff, 0x8000, x_Rs_x, do_rs}, | |
508 | {"cmpi.c", 0x02040001, 0x3e0e0001, 0x8000, Rd_SI16, do_rdsi16}, | |
509 | {"cmp!", 0x2003, 0x700f, 0x00300019, Rd_Rs, do16_rdrs}, | |
510 | {"cop1", 0x0c00000c, 0x3e00001f, 0x8000, Rd_Rs_Rs_imm, do_crdcrscrsimm5}, | |
511 | {"cop2", 0x0c000014, 0x3e00001f, 0x8000, Rd_Rs_Rs_imm, do_crdcrscrsimm5}, | |
512 | {"cop3", 0x0c00001c, 0x3e00001f, 0x8000, Rd_Rs_Rs_imm, do_crdcrscrsimm5}, | |
513 | {"drte", 0x0c0000a4, 0x3e0003ff, 0x8000, NO_OPD, do_empty}, | |
514 | {"extsb", 0x00000058, 0x3e0003ff, 0x8000, Rd_Rs_x, do_rdrs}, | |
515 | {"extsb.c", 0x00000059, 0x3e0003ff, 0x8000, Rd_Rs_x, do_rdrs}, | |
516 | {"extsh", 0x0000005a, 0x3e0003ff, 0x8000, Rd_Rs_x, do_rdrs}, | |
517 | {"extsh.c", 0x0000005b, 0x3e0003ff, 0x8000, Rd_Rs_x, do_rdrs}, | |
518 | {"extzb", 0x0000005c, 0x3e0003ff, 0x8000, Rd_Rs_x, do_rdrs}, | |
519 | {"extzb.c", 0x0000005d, 0x3e0003ff, 0x8000, Rd_Rs_x, do_rdrs}, | |
520 | {"extzh", 0x0000005e, 0x3e0003ff, 0x8000, Rd_Rs_x, do_rdrs}, | |
521 | {"extzh.c", 0x0000005f, 0x3e0003ff, 0x8000, Rd_Rs_x, do_rdrs}, | |
522 | {"jl", 0x04000001, 0x3e000001, 0x8000, PC_DISP24div2, do_jump}, | |
523 | {"jl!", 0x3001, 0x7001, 0x04000001, PC_DISP11div2, do16_jump}, | |
524 | {"j!", 0x3000, 0x7001, 0x04000000, PC_DISP11div2, do16_jump}, | |
525 | {"j", 0x04000000, 0x3e000001, 0x8000, PC_DISP24div2, do_jump}, | |
526 | {"lbu!", 0x200b, 0x0000700f, 0x2c000000, Rd_rvalueRs, do16_ldst_insn}, | |
527 | {"lbup!", 0x7003, 0x7007, 0x2c000000, Rd_rvalueBP_I5, do16_ldst_imm_insn}, | |
528 | {"alw", 0x0000000c, 0x3e0003ff, 0x8000, Rd_rvalue32Rs, do_ldst_atomic}, | |
529 | {"lcb", 0x00000060, 0x3e0003ff, 0x8000, x_rvalueRs_post4, do_ldst_unalign}, | |
530 | {"lcw", 0x00000062, 0x3e0003ff, 0x8000, Rd_rvalueRs_post4, do_ldst_unalign}, | |
531 | {"lce", 0x00000066, 0x3e0003ff, 0x8000, Rd_rvalueRs_post4, do_ldst_unalign}, | |
532 | {"ldc1", 0x0c00000a, 0x3e00001f, 0x8000, Rd_rvalueRs_SI10, do_ldst_cop}, | |
533 | {"ldc2", 0x0c000012, 0x3e00001f, 0x8000, Rd_rvalueRs_SI10, do_ldst_cop}, | |
534 | {"ldc3", 0x0c00001a, 0x3e00001f, 0x8000, Rd_rvalueRs_SI10, do_ldst_cop}, | |
535 | {"lh!", 0x2009, 0x700f, 0x22000000, Rd_rvalueRs, do16_ldst_insn}, | |
536 | {"lhp!", 0x7001, 0x7007, 0x22000000, Rd_rvalueBP_I5, do16_ldst_imm_insn}, | |
537 | {"ldi", 0x020c0000, 0x3e0e0000, 0x5000, Rd_SI16, do_rdsi16}, | |
538 | {"ldis", 0x0a0c0000, 0x3e0e0000, 0x5000, Rd_I16, do_rdi16}, | |
539 | {"ldiu!", 0x5000, 0x7000, 0x020c0000, Rd_I8, do16_ldst_imm_insn}, | |
540 | {"lw!", 0x2008, 0x700f, 0x20000000, Rd_rvalueRs, do16_ldst_insn}, | |
541 | {"lwp!", 0x7000, 0x7007, 0x20000000, Rd_rvalueBP_I5, do16_ldst_imm_insn}, | |
542 | {"mfcel", 0x00000448, 0x3e007fff, 0x8000, Rd_x_x, do_rd}, | |
543 | {"mfcel!", 0x1001, 0x7f0f, 0x00000448, x_Rs, do16_rs}, | |
544 | {"mad", 0x38000000, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs}, | |
545 | {"mad.f!", 0x1004, 0x700f, 0x38000080, Rd_Rs, do16_rdrs}, | |
546 | {"madh", 0x38000203, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs}, | |
547 | {"madh.fs", 0x380002c3, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs}, | |
548 | {"madh.fs!", 0x100b, 0x700f, 0x380002c3, Rd_Rs, do16_rdrs}, | |
549 | {"madl", 0x38000002, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs}, | |
550 | {"madl.fs", 0x380000c2, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs}, | |
551 | {"madl.fs!", 0x100a, 0x700f, 0x380000c2, Rd_Rs, do16_rdrs}, | |
552 | {"madu", 0x38000020, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs}, | |
553 | {"madu!", 0x1005, 0x700f, 0x38000020, Rd_Rs, do16_rdrs}, | |
554 | {"mad.f", 0x38000080, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs}, | |
555 | {"max", 0x38000007, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs}, | |
556 | {"mazh", 0x38000303, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs}, | |
557 | {"mazh.f", 0x38000383, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs}, | |
558 | {"mazh.f!", 0x1009, 0x700f, 0x3800038c, Rd_Rs, do16_rdrs}, | |
559 | {"mazl", 0x38000102, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs}, | |
560 | {"mazl.f", 0x38000182, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs}, | |
561 | {"mazl.f!", 0x1008, 0x700f, 0x38000182, Rd_Rs, do16_rdrs}, | |
562 | {"mfceh", 0x00000848, 0x3e007fff, 0x8000, Rd_x_x, do_rd}, | |
563 | {"mfceh!", 0x1101, 0x7f0f, 0x00000848, x_Rs, do16_rs}, | |
564 | {"mfcehl", 0x00000c48, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs}, | |
565 | {"mfsr", 0x00000050, 0x3e0003ff, 0x8000, Rd_x_I5, do_rdsrs}, | |
566 | {"mfcr", 0x0c000001, 0x3e00001f, 0x8000, Rd_Rs_x, do_rdcrs}, | |
567 | {"mfc1", 0x0c000009, 0x3e00001f, 0x8000, Rd_Rs_x, do_rdcrs}, | |
568 | {"mfc2", 0x0c000011, 0x3e00001f, 0x8000, Rd_Rs_x, do_rdcrs}, | |
569 | {"mfc3", 0x0c000019, 0x3e00001f, 0x8000, Rd_Rs_x, do_rdcrs}, | |
570 | {"mfcc1", 0x0c00000f, 0x3e00001f, 0x8000, Rd_Rs_x, do_rdcrs}, | |
571 | {"mfcc2", 0x0c000017, 0x3e00001f, 0x8000, Rd_Rs_x, do_rdcrs}, | |
572 | {"mfcc3", 0x0c00001f, 0x3e00001f, 0x8000, Rd_Rs_x, do_rdcrs}, | |
573 | {"mhfl!", 0x0002, 0x700f, 0x00003c56, Rd_LowRs, do16_hrdrs}, | |
574 | {"min", 0x38000006, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs}, | |
575 | {"mlfh!", 0x0001, 0x700f, 0x00003c56, Rd_HighRs, do16_rdhrs}, | |
576 | {"msb", 0x38000001, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs}, | |
577 | {"msb.f!", 0x1006, 0x700f, 0x38000081, Rd_Rs, do16_rdrs}, | |
578 | {"msbh", 0x38000205, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs}, | |
579 | {"msbh.fs", 0x380002c5, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs}, | |
580 | {"msbh.fs!", 0x100f, 0x700f, 0x380002c5, Rd_Rs, do16_rdrs}, | |
581 | {"msbl", 0x38000004, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs}, | |
582 | {"msbl.fs", 0x380000c4, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs}, | |
583 | {"msbl.fs!", 0x100e, 0x700f, 0x380000c4, Rd_Rs, do16_rdrs}, | |
584 | {"msbu", 0x38000021, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs}, | |
585 | {"msbu!", 0x1007, 0x700f, 0x38000021, Rd_Rs, do16_rdrs}, | |
586 | {"msb.f", 0x38000081, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs}, | |
587 | {"mszh", 0x38000305, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs}, | |
588 | {"mszh.f", 0x38000385, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs}, | |
589 | {"mszh.f!", 0x100d, 0x700f, 0x38000385, Rd_Rs, do16_rdrs}, | |
590 | {"mszl", 0x38000104, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs}, | |
591 | {"mszl.f", 0x38000184, 0x3ff003ff, 0x8000, x_Rs_Rs, do_rsrs}, | |
592 | {"mszl.f!", 0x100c, 0x700f, 0x38000184, Rd_Rs, do16_rdrs}, | |
593 | {"mtcel!", 0x1000, 0x7f0f, 0x0000044a, x_Rs, do16_rs}, | |
594 | {"mtcel", 0x0000044a, 0x3e007fff, 0x8000, Rd_x_x, do_rd}, | |
595 | {"mtceh", 0x0000084a, 0x3e007fff, 0x8000, Rd_x_x, do_rd}, | |
596 | {"mtceh!", 0x1100, 0x7f0f, 0x0000084a, x_Rs, do16_rs}, | |
597 | {"mtcehl", 0x00000c4a, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs}, | |
598 | {"mtsr", 0x00000052, 0x3e0003ff, 0x8000, x_Rs_I5, do_rdsrs}, | |
599 | {"mtcr", 0x0c000000, 0x3e00001f, 0x8000, Rd_Rs_x, do_rdcrs}, | |
600 | {"mtc1", 0x0c000008, 0x3e00001f, 0x8000, Rd_Rs_x, do_rdcrs}, | |
601 | {"mtc2", 0x0c000010, 0x3e00001f, 0x8000, Rd_Rs_x, do_rdcrs}, | |
602 | {"mtc3", 0x0c000018, 0x3e00001f, 0x8000, Rd_Rs_x, do_rdcrs}, | |
603 | {"mtcc1", 0x0c00000e, 0x3e00001f, 0x8000, Rd_Rs_x, do_rdcrs}, | |
604 | {"mtcc2", 0x0c000016, 0x3e00001f, 0x8000, Rd_Rs_x, do_rdcrs}, | |
605 | {"mtcc3", 0x0c00001e, 0x3e00001f, 0x8000, Rd_Rs_x, do_rdcrs}, | |
606 | {"mul.f!", 0x1002, 0x700f, 0x00000041, Rd_Rs, do16_rdrs}, | |
607 | {"mulu!", 0x1003, 0x700f, 0x00000042, Rd_Rs, do16_rdrs}, | |
608 | {"mvcs", 0x00000056, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs}, | |
609 | {"mvcc", 0x00000456, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs}, | |
610 | {"mvgtu", 0x00000856, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs}, | |
611 | {"mvleu", 0x00000c56, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs}, | |
612 | {"mveq", 0x00001056, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs}, | |
613 | {"mvne", 0x00001456, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs}, | |
614 | {"mvgt", 0x00001856, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs}, | |
615 | {"mvle", 0x00001c56, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs}, | |
616 | {"mvge", 0x00002056, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs}, | |
617 | {"mvlt", 0x00002456, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs}, | |
618 | {"mvmi", 0x00002856, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs}, | |
619 | {"mvpl", 0x00002c56, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs}, | |
620 | {"mvvs", 0x00003056, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs}, | |
621 | {"mvvc", 0x00003456, 0x3e007fff, 0x8000, Rd_Rs_x, do_rdrs}, | |
622 | {"mv", 0x00003c56, 0x3e007fff, 0x0003, Rd_Rs_x, do_rdrs}, | |
623 | {"mv!", 0x0003, 0x700f, 0x00003c56, Rd_Rs, do16_mv_rdrs}, | |
624 | {"neg", 0x0000001e, 0x3e0003ff, 0x8000, Rd_x_Rs, do_rdxrs}, | |
625 | {"neg.c", 0x0000001f, 0x3e0003ff, 0x2002, Rd_x_Rs, do_rdxrs}, | |
626 | {"neg!", 0x2002, 0x700f, 0x0000001f, Rd_Rs, do16_rdrs}, | |
627 | {"nop", 0x00000000, 0x3e0003ff, 0x0000, NO_OPD, do_empty}, | |
628 | {"not", 0x00000024, 0x3e0003ff, 0x8000, Rd_Rs_x, do_rdrs}, | |
629 | {"not.c", 0x00000025, 0x3e0003ff, 0x2006, Rd_Rs_x, do_rdrs}, | |
630 | {"nop!", 0x0000, 0x700f, 0x00000000, NO16_OPD, do_empty}, | |
631 | {"not!", 0x2006, 0x700f, 0x00000025, Rd_Rs, do16_rdrs}, | |
632 | {"or", 0x00000022, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs}, | |
633 | {"or.c", 0x00000023, 0x3e0003ff, 0x2005, Rd_Rs_Rs, do_rdrsrs}, | |
634 | {"ori", 0x020a0000, 0x3e0e0001, 0x8000, Rd_I16, do_rdi16}, | |
635 | {"ori.c", 0x020a0001, 0x3e0e0001, 0x8000, Rd_I16, do_rdi16}, | |
636 | {"oris", 0x0a0a0000, 0x3e0e0001, 0x8000, Rd_I16, do_rdi16}, | |
637 | {"oris.c", 0x0a0a0001, 0x3e0e0001, 0x8000, Rd_I16, do_rdi16}, | |
638 | {"orri", 0x1a000000, 0x3e000001, 0x8000, Rd_Rs_I14, do_rdrsi14}, | |
639 | {"orri.c", 0x1a000001, 0x3e000001, 0x8000, Rd_Rs_I14, do_rdrsi14}, | |
640 | {"or!", 0x2005, 0x700f, 0x00000023, Rd_Rs, do16_rdrs}, | |
641 | {"pflush", 0x0000000a, 0x3e0003ff, 0x8000, NO_OPD, do_empty}, | |
642 | {"pop!", 0x200a, 0x700f, 0x0e000000, Rd_rvalueRs, do16_push_pop}, | |
643 | {"push!", 0x200e, 0x700f, 0x06000004, Rd_lvalueRs, do16_push_pop}, | |
644 | {"ror", 0x00000038, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs}, | |
645 | {"ror.c", 0x00000039, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs}, | |
646 | {"rorc.c", 0x0000003b, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs}, | |
647 | {"rol", 0x0000003c, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs}, | |
648 | {"rol.c", 0x0000003d, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs}, | |
649 | {"rolc.c", 0x0000003f, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs}, | |
650 | {"rori", 0x00000078, 0x3e0003ff, 0x8000, Rd_Rs_I5, do_rdrsi5}, | |
651 | {"rori.c", 0x00000079, 0x3e0003ff, 0x8000, Rd_Rs_I5, do_rdrsi5}, | |
652 | {"roric.c", 0x0000007b, 0x3e0003ff, 0x8000, Rd_Rs_I5, do_rdrsi5}, | |
653 | {"roli", 0x0000007c, 0x3e0003ff, 0x8000, Rd_Rs_I5, do_rdrsi5}, | |
654 | {"roli.c", 0x0000007d, 0x3e0003ff, 0x8000, Rd_Rs_I5, do_rdrsi5}, | |
655 | {"rolic.c", 0x0000007f, 0x3e0003ff, 0x8000, Rd_Rs_I5, do_rdrsi5}, | |
656 | {"rte", 0x0c000084, 0x3e0003ff, 0x8000, NO_OPD, do_empty}, | |
657 | {"sb!", 0x200f, 0x700f, 0x2e000000, Rd_lvalueRs, do16_ldst_insn}, | |
658 | {"sbp!", 0x7007, 0x7007, 0x2e000000, Rd_lvalueBP_I5, do16_ldst_imm_insn}, | |
659 | {"asw", 0x0000000e, 0x3e0003ff, 0x8000, Rd_lvalue32Rs, do_ldst_atomic}, | |
660 | {"scb", 0x00000068, 0x3e0003ff, 0x8000, Rd_lvalueRs_post4, do_ldst_unalign}, | |
661 | {"scw", 0x0000006a, 0x3e0003ff, 0x8000, Rd_lvalueRs_post4, do_ldst_unalign}, | |
662 | {"sce", 0x0000006e, 0x3e0003ff, 0x8000, x_lvalueRs_post4, do_ldst_unalign}, | |
663 | {"sdbbp", 0x00000006, 0x3e0003ff, 0x6002, x_I5_x, do_xi5x}, | |
664 | {"sdbbp!", 0x6002, 0x7007, 0x00000006, Rd_I5, do16_xi5}, | |
665 | {"sh!", 0x200d, 0x700f, 0x2a000000, Rd_lvalueRs, do16_ldst_insn}, | |
666 | {"shp!", 0x7005, 0x7007, 0x2a000000, Rd_lvalueBP_I5, do16_ldst_imm_insn}, | |
667 | {"sleep", 0x0c0000c4, 0x3e0003ff, 0x8000, NO_OPD, do_empty}, | |
668 | {"sll", 0x00000030, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs}, | |
669 | {"sll.c", 0x00000031, 0x3e0003ff, 0x0008, Rd_Rs_Rs, do_rdrsrs}, | |
670 | {"sll.s", 0x3800004e, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs}, | |
671 | {"slli", 0x00000070, 0x3e0003ff, 0x8000, Rd_Rs_I5, do_rdrsi5}, | |
672 | {"slli.c", 0x00000071, 0x3e0003ff, 0x6001, Rd_Rs_I5, do_rdrsi5}, | |
673 | {"sll!", 0x0008, 0x700f, 0x00000031, Rd_Rs, do16_rdrs}, | |
674 | {"slli!", 0x6001, 0x7007, 0x00000071, Rd_I5, do16_rdi5}, | |
675 | {"srl", 0x00000034, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs}, | |
676 | {"srl.c", 0x00000035, 0x3e0003ff, 0x000a, Rd_Rs_Rs, do_rdrsrs}, | |
677 | {"sra", 0x00000036, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs}, | |
678 | {"sra.c", 0x00000037, 0x3e0003ff, 0x000b, Rd_Rs_Rs, do_rdrsrs}, | |
679 | {"srli", 0x00000074, 0x3e0003ff, 0x8000, Rd_Rs_I5, do_rdrsi5}, | |
680 | {"srli.c", 0x00000075, 0x3e0003ff, 0x6003, Rd_Rs_I5, do_rdrsi5}, | |
681 | {"srai", 0x00000076, 0x3e0003ff, 0x8000, Rd_Rs_I5, do_rdrsi5}, | |
682 | {"srai.c", 0x00000077, 0x3e0003ff, 0x8000, Rd_Rs_I5, do_rdrsi5}, | |
683 | {"srl!", 0x000a, 0x700f, 0x00000035, Rd_Rs, do16_rdrs}, | |
684 | {"sra!", 0x000b, 0x700f, 0x00000037, Rd_Rs, do16_rdrs}, | |
685 | {"srli!", 0x6003, 0x7007, 0x00000075, Rd_Rs, do16_rdi5}, | |
686 | {"stc1", 0x0c00000b, 0x3e00001f, 0x8000, Rd_lvalueRs_SI10, do_ldst_cop}, | |
687 | {"stc2", 0x0c000013, 0x3e00001f, 0x8000, Rd_lvalueRs_SI10, do_ldst_cop}, | |
688 | {"stc3", 0x0c00001b, 0x3e00001f, 0x8000, Rd_lvalueRs_SI10, do_ldst_cop}, | |
689 | {"sub", 0x00000014, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs}, | |
690 | {"sub.c", 0x00000015, 0x3e0003ff, 0x2001, Rd_Rs_Rs, do_rdrsrs}, | |
691 | {"sub.s", 0x38000049, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs}, | |
692 | {"subc", 0x00000016, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs}, | |
693 | {"subc.c", 0x00000017, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs}, | |
694 | {"sub!", 0x2001, 0x700f, 0x00000015, Rd_Rs, do16_rdrs}, | |
695 | {"subei!", 0x6080, 0x7087, 0x02000001, Rd_I4, do16_rdi4}, | |
696 | {"sw!", 0x200c, 0x700f, 0x28000000, Rd_lvalueRs, do16_ldst_insn}, | |
697 | {"swp!", 0x7004, 0x7007, 0x28000000, Rd_lvalueBP_I5, do16_ldst_imm_insn}, | |
698 | {"syscall", 0x00000002, 0x3e0003ff, 0x8000, I15, do_i15}, | |
699 | {"tcs", 0x00000054, 0x3e007fff, 0x0005, NO_OPD, do_empty}, | |
700 | {"tcc", 0x00000454, 0x3e007fff, 0x0105, NO_OPD, do_empty}, | |
701 | {"tcnz", 0x00003854, 0x3e007fff, 0x0e05, NO_OPD, do_empty}, | |
702 | {"tcs!", 0x0005, 0x7f0f, 0x00000054, NO16_OPD, do_empty}, | |
703 | {"tcc!", 0x0105, 0x7f0f, 0x00000454, NO16_OPD, do_empty}, | |
704 | {"tcnz!", 0x0e05, 0x7f0f, 0x00003854, NO16_OPD, do_empty}, | |
705 | {"teq", 0x00001054, 0x3e007fff, 0x0405, NO_OPD, do_empty}, | |
706 | {"teq!", 0x0405, 0x7f0f, 0x00001054, NO16_OPD, do_empty}, | |
707 | {"tgtu", 0x00000854, 0x3e007fff, 0x0205, NO_OPD, do_empty}, | |
708 | {"tgt", 0x00001854, 0x3e007fff, 0x0605, NO_OPD, do_empty}, | |
709 | {"tge", 0x00002054, 0x3e007fff, 0x0805, NO_OPD, do_empty}, | |
710 | {"tgtu!", 0x0205, 0x7f0f, 0x00000854, NO16_OPD, do_empty}, | |
711 | {"tgt!", 0x0605, 0x7f0f, 0x00001854, NO16_OPD, do_empty}, | |
712 | {"tge!", 0x0805, 0x7f0f, 0x00002054, NO16_OPD, do_empty}, | |
713 | {"tleu", 0x00000c54, 0x3e007fff, 0x0305, NO_OPD, do_empty}, | |
714 | {"tle", 0x00001c54, 0x3e007fff, 0x0705, NO_OPD, do_empty}, | |
715 | {"tlt", 0x00002454, 0x3e007fff, 0x0905, NO_OPD, do_empty}, | |
716 | {"stlb", 0x0c000004, 0x3e0003ff, 0x8000, NO_OPD, do_empty}, | |
717 | {"mftlb", 0x0c000024, 0x3e0003ff, 0x8000, NO_OPD, do_empty}, | |
718 | {"mtptlb", 0x0c000044, 0x3e0003ff, 0x8000, NO_OPD, do_empty}, | |
719 | {"mtrtlb", 0x0c000064, 0x3e0003ff, 0x8000, NO_OPD, do_empty}, | |
720 | {"tleu!", 0x0305, 0x7f0f, 0x00000c54, NO16_OPD, do_empty}, | |
721 | {"tle!", 0x0705, 0x7f0f, 0x00001c54, NO16_OPD, do_empty}, | |
722 | {"tlt!", 0x0905, 0x7f0f, 0x00002454, NO16_OPD, do_empty}, | |
723 | {"tmi", 0x00002854, 0x3e007fff, 0x0a05, NO_OPD, do_empty}, | |
724 | {"tmi!", 0x0a05, 0x7f0f, 0x00002854, NO16_OPD, do_empty}, | |
725 | {"tne", 0x00001454, 0x3e007fff, 0x0505, NO_OPD, do_empty}, | |
726 | {"tne!", 0x0505, 0x7f0f, 0x00001454, NO16_OPD, do_empty}, | |
727 | {"tpl", 0x00002c54, 0x3e007fff, 0x0b05, NO_OPD, do_empty}, | |
728 | {"tpl!", 0x0b05, 0x7f0f, 0x00002c54, NO16_OPD, do_empty}, | |
729 | {"trapcs", 0x00000004, 0x3e007fff, 0x8000, x_I5_x, do_xi5x}, | |
730 | {"trapcc", 0x00000404, 0x3e007fff, 0x8000, x_I5_x, do_xi5x}, | |
731 | {"trapgtu", 0x00000804, 0x3e007fff, 0x8000, x_I5_x, do_xi5x}, | |
732 | {"trapleu", 0x00000c04, 0x3e007fff, 0x8000, x_I5_x, do_xi5x}, | |
733 | {"trapeq", 0x00001004, 0x3e007fff, 0x8000, x_I5_x, do_xi5x}, | |
734 | {"trapne", 0x00001404, 0x3e007fff, 0x8000, x_I5_x, do_xi5x}, | |
735 | {"trapgt", 0x00001804, 0x3e007fff, 0x8000, x_I5_x, do_xi5x}, | |
736 | {"traple", 0x00001c04, 0x3e007fff, 0x8000, x_I5_x, do_xi5x}, | |
737 | {"trapge", 0x00002004, 0x3e007fff, 0x8000, x_I5_x, do_xi5x}, | |
738 | {"traplt", 0x00002404, 0x3e007fff, 0x8000, x_I5_x, do_xi5x}, | |
739 | {"trapmi", 0x00002804, 0x3e007fff, 0x8000, x_I5_x, do_xi5x}, | |
740 | {"trappl", 0x00002c04, 0x3e007fff, 0x8000, x_I5_x, do_xi5x}, | |
741 | {"trapvs", 0x00003004, 0x3e007fff, 0x8000, x_I5_x, do_xi5x}, | |
742 | {"trapvc", 0x00003404, 0x3e007fff, 0x8000, x_I5_x, do_xi5x}, | |
743 | {"trap", 0x00003c04, 0x3e007fff, 0x8000, x_I5_x, do_xi5x}, | |
744 | {"tset", 0x00003c54, 0x3e007fff, 0x0f05, NO_OPD, do_empty}, | |
745 | {"tset!", 0x0f05, 0x00007f0f, 0x00003c54, NO16_OPD, do_empty}, | |
746 | {"tvs", 0x00003054, 0x3e007fff, 0x0c05, NO_OPD, do_empty}, | |
747 | {"tvc", 0x00003454, 0x3e007fff, 0x0d05, NO_OPD, do_empty}, | |
748 | {"tvs!", 0x0c05, 0x7f0f, 0x00003054, NO16_OPD, do_empty}, | |
749 | {"tvc!", 0x0d05, 0x7f0f, 0x00003454, NO16_OPD, do_empty}, | |
750 | {"xor", 0x00000026, 0x3e0003ff, 0x8000, Rd_Rs_Rs, do_rdrsrs}, | |
751 | {"xor.c", 0x00000027, 0x3e0003ff, 0x2007, Rd_Rs_Rs, do_rdrsrs}, | |
752 | {"xor!", 0x2007, 0x700f, 0x00000027, Rd_Rs, do16_rdrs}, | |
753 | /* Macro instruction. */ | |
754 | {"li", 0x020c0000, 0x3e0e0000, 0x8000, Insn_Type_SYN, do_macro_li_rdi32}, | |
755 | /* la reg, imm32 -->(1) ldi reg, simm16 | |
756 | (2) ldis reg, %HI(imm32) | |
757 | ori reg, %LO(imm32) | |
758 | ||
759 | la reg, symbol -->(1) lis reg, %HI(imm32) | |
760 | ori reg, %LO(imm32) */ | |
761 | {"la", 0x020c0000, 0x3e0e0000, 0x8000, Insn_Type_SYN, do_macro_la_rdi32}, | |
762 | {"div", 0x00000044, 0x3e0003ff, 0x8000, Insn_Type_SYN, do_macro_mul_rdrsrs}, | |
763 | {"divu", 0x00000046, 0x3e0003ff, 0x8000, Insn_Type_SYN, do_macro_mul_rdrsrs}, | |
764 | {"rem", 0x00000044, 0x3e0003ff, 0x8000, Insn_Type_SYN, do_macro_mul_rdrsrs}, | |
765 | {"remu", 0x00000046, 0x3e0003ff, 0x8000, Insn_Type_SYN, do_macro_mul_rdrsrs}, | |
766 | {"mul", 0x00000040, 0x3e0003ff, 0x8000, Insn_Type_SYN, do_macro_mul_rdrsrs}, | |
767 | {"mulu", 0x00000042, 0x3e0003ff, 0x8000, Insn_Type_SYN, do_macro_mul_rdrsrs}, | |
768 | {"maz", 0x00000040, 0x3e0003ff, 0x8000, Insn_Type_SYN, do_macro_mul_rdrsrs}, | |
769 | {"mazu", 0x00000042, 0x3e0003ff, 0x8000, Insn_Type_SYN, do_macro_mul_rdrsrs}, | |
770 | {"mul.f", 0x00000041, 0x3e0003ff, 0x8000, Insn_Type_SYN, do_macro_mul_rdrsrs}, | |
771 | {"maz.f", 0x00000041, 0x3e0003ff, 0x8000, Insn_Type_SYN, do_macro_mul_rdrsrs}, | |
772 | {"lb", INSN_LB, 0x00000000, 0x8000, Insn_Type_SYN, do_macro_ldst_label}, | |
773 | {"lbu", INSN_LBU, 0x00000000, 0x200b, Insn_Type_SYN, do_macro_ldst_label}, | |
774 | {"lh", INSN_LH, 0x00000000, 0x2009, Insn_Type_SYN, do_macro_ldst_label}, | |
775 | {"lhu", INSN_LHU, 0x00000000, 0x8000, Insn_Type_SYN, do_macro_ldst_label}, | |
776 | {"lw", INSN_LW, 0x00000000, 0x2008, Insn_Type_SYN, do_macro_ldst_label}, | |
777 | {"sb", INSN_SB, 0x00000000, 0x200f, Insn_Type_SYN, do_macro_ldst_label}, | |
778 | {"sh", INSN_SH, 0x00000000, 0x200d, Insn_Type_SYN, do_macro_ldst_label}, | |
779 | {"sw", INSN_SW, 0x00000000, 0x200c, Insn_Type_SYN, do_macro_ldst_label}, | |
780 | /* Assembler use internal. */ | |
b138abaa NC |
781 | {"ld_i32hi", 0x0a0c0000, 0x3e0e0000, 0x8000, Insn_internal, do_macro_rdi32hi}, |
782 | {"ld_i32lo", 0x020a0000, 0x3e0e0001, 0x8000, Insn_internal, do_macro_rdi32lo}, | |
783 | {"ldis_pic", 0x0a0c0000, 0x3e0e0000, 0x5000, Insn_internal, do_rdi16_pic}, | |
784 | {"addi_s_pic",0x02000000, 0x3e0e0001, 0x8000, Insn_internal, do_addi_s_pic}, | |
785 | {"addi_u_pic",0x02000000, 0x3e0e0001, 0x8000, Insn_internal, do_addi_u_pic}, | |
786 | {"lw_pic", 0x20000000, 0x3e000000, 0x2008, Insn_internal, do_lw_pic}, | |
1c0d3aa6 NC |
787 | }; |
788 | ||
789 | /* Next free entry in the pool. */ | |
790 | int next_literal_pool_place = 0; | |
791 | ||
792 | /* Next literal pool number. */ | |
793 | int lit_pool_num = 1; | |
794 | symbolS *current_poolP = NULL; | |
795 | ||
796 | static int | |
797 | end_of_line (char *str) | |
798 | { | |
799 | int retval = SUCCESS; | |
800 | ||
801 | skip_whitespace (str); | |
802 | if (*str != '\0') | |
803 | { | |
804 | retval = (int) FAIL; | |
805 | ||
806 | if (!inst.error) | |
b138abaa | 807 | inst.error = BAD_GARBAGE; |
1c0d3aa6 NC |
808 | } |
809 | ||
810 | return retval; | |
811 | } | |
812 | ||
813 | static int | |
814 | score_reg_parse (char **ccp, struct hash_control *htab) | |
815 | { | |
816 | char *start = *ccp; | |
817 | char c; | |
818 | char *p; | |
819 | struct reg_entry *reg; | |
820 | ||
821 | p = start; | |
822 | if (!ISALPHA (*p) || !is_name_beginner (*p)) | |
823 | return (int) FAIL; | |
824 | ||
825 | c = *p++; | |
826 | ||
827 | while (ISALPHA (c) || ISDIGIT (c) || c == '_') | |
828 | c = *p++; | |
829 | ||
830 | *--p = 0; | |
831 | reg = (struct reg_entry *) hash_find (htab, start); | |
832 | *p = c; | |
833 | ||
834 | if (reg) | |
835 | { | |
836 | *ccp = p; | |
837 | return reg->number; | |
838 | } | |
839 | return (int) FAIL; | |
840 | } | |
841 | ||
842 | /* If shift <= 0, only return reg. */ | |
843 | ||
844 | static int | |
845 | reg_required_here (char **str, int shift, enum score_reg_type reg_type) | |
846 | { | |
847 | static char buff[MAX_LITERAL_POOL_SIZE]; | |
848 | int reg = (int) FAIL; | |
849 | char *start = *str; | |
850 | ||
851 | if ((reg = score_reg_parse (str, all_reg_maps[reg_type].htab)) != (int) FAIL) | |
852 | { | |
853 | if (reg_type == REG_TYPE_SCORE) | |
854 | { | |
855 | if ((reg == 1) && (nor1 == 1) && (inst.bwarn == 0)) | |
856 | { | |
857 | as_warn ("Using temp register(r1)"); | |
858 | inst.bwarn = 1; | |
859 | } | |
860 | } | |
861 | if (shift >= 0) | |
862 | { | |
863 | if (reg_type == REG_TYPE_SCORE_CR) | |
864 | strcpy (inst.reg, score_crn_table[reg].name); | |
865 | else if (reg_type == REG_TYPE_SCORE_SR) | |
866 | strcpy (inst.reg, score_srn_table[reg].name); | |
867 | else | |
868 | strcpy (inst.reg, ""); | |
869 | ||
870 | inst.instruction |= reg << shift; | |
871 | } | |
872 | } | |
873 | else | |
874 | { | |
875 | *str = start; | |
876 | sprintf (buff, _("register expected, not '%.100s'"), start); | |
877 | inst.error = buff; | |
878 | } | |
879 | ||
880 | return reg; | |
881 | } | |
882 | ||
883 | static int | |
884 | skip_past_comma (char **str) | |
885 | { | |
886 | char *p = *str; | |
887 | char c; | |
888 | int comma = 0; | |
889 | ||
890 | while ((c = *p) == ' ' || c == ',') | |
891 | { | |
892 | p++; | |
893 | if (c == ',' && comma++) | |
894 | { | |
895 | inst.error = BAD_SKIP_COMMA; | |
896 | return (int) FAIL; | |
897 | } | |
898 | } | |
899 | ||
900 | if ((c == '\0') || (comma == 0)) | |
901 | { | |
902 | inst.error = BAD_SKIP_COMMA; | |
903 | return (int) FAIL; | |
904 | } | |
905 | ||
906 | *str = p; | |
907 | return comma ? SUCCESS : (int) FAIL; | |
908 | } | |
909 | ||
910 | static void | |
911 | do_rdrsrs (char *str) | |
912 | { | |
913 | skip_whitespace (str); | |
914 | ||
915 | if (reg_required_here (&str, 20, REG_TYPE_SCORE) == (int) FAIL | |
916 | || skip_past_comma (&str) == (int) FAIL | |
917 | || reg_required_here (&str, 15, REG_TYPE_SCORE) == (int) FAIL | |
918 | || skip_past_comma (&str) == (int) FAIL | |
919 | || reg_required_here (&str, 10, REG_TYPE_SCORE) == (int) FAIL | |
920 | || end_of_line (str) == (int) FAIL) | |
921 | { | |
922 | return; | |
923 | } | |
924 | else | |
925 | { | |
926 | if ((((inst.instruction >> 15) & 0x10) == 0) | |
927 | && (((inst.instruction >> 10) & 0x10) == 0) | |
928 | && (((inst.instruction >> 20) & 0x10) == 0) | |
929 | && (inst.relax_inst != 0x8000) | |
930 | && (((inst.instruction >> 20) & 0xf) == ((inst.instruction >> 15) & 0xf))) | |
931 | { | |
932 | inst.relax_inst |= (((inst.instruction >> 10) & 0xf) << 4) | |
933 | | (((inst.instruction >> 15) & 0xf) << 8); | |
934 | inst.relax_size = 2; | |
935 | } | |
936 | else | |
937 | { | |
938 | inst.relax_inst = 0x8000; | |
939 | } | |
940 | } | |
941 | } | |
942 | ||
943 | static int | |
944 | walk_no_bignums (symbolS * sp) | |
945 | { | |
946 | if (symbol_get_value_expression (sp)->X_op == O_big) | |
947 | return 1; | |
948 | ||
949 | if (symbol_get_value_expression (sp)->X_add_symbol) | |
950 | return (walk_no_bignums (symbol_get_value_expression (sp)->X_add_symbol) | |
951 | || (symbol_get_value_expression (sp)->X_op_symbol | |
952 | && walk_no_bignums (symbol_get_value_expression (sp)->X_op_symbol))); | |
953 | ||
954 | return 0; | |
955 | } | |
956 | ||
957 | static int | |
958 | my_get_expression (expressionS * ep, char **str) | |
959 | { | |
960 | char *save_in; | |
961 | segT seg; | |
962 | ||
963 | save_in = input_line_pointer; | |
964 | input_line_pointer = *str; | |
965 | in_my_get_expression = 1; | |
966 | seg = expression (ep); | |
967 | in_my_get_expression = 0; | |
968 | ||
969 | if (ep->X_op == O_illegal) | |
970 | { | |
971 | *str = input_line_pointer; | |
972 | input_line_pointer = save_in; | |
973 | inst.error = _("illegal expression"); | |
974 | return (int) FAIL; | |
975 | } | |
976 | /* Get rid of any bignums now, so that we don't generate an error for which | |
977 | we can't establish a line number later on. Big numbers are never valid | |
978 | in instructions, which is where this routine is always called. */ | |
979 | if (ep->X_op == O_big | |
980 | || (ep->X_add_symbol | |
981 | && (walk_no_bignums (ep->X_add_symbol) | |
982 | || (ep->X_op_symbol && walk_no_bignums (ep->X_op_symbol))))) | |
983 | { | |
984 | inst.error = _("invalid constant"); | |
985 | *str = input_line_pointer; | |
986 | input_line_pointer = save_in; | |
987 | return (int) FAIL; | |
988 | } | |
989 | ||
b138abaa NC |
990 | if ((ep->X_add_symbol != NULL) |
991 | && (inst.type != PC_DISP19div2) | |
992 | && (inst.type != PC_DISP8div2) | |
993 | && (inst.type != PC_DISP24div2) | |
994 | && (inst.type != PC_DISP11div2) | |
995 | && (inst.type != Insn_Type_SYN) | |
996 | && (inst.type != Rd_rvalueRs_SI15) | |
997 | && (inst.type != Rd_lvalueRs_SI15) | |
998 | && (inst.type != Insn_internal)) | |
999 | { | |
1000 | inst.error = BAD_ARGS; | |
1001 | *str = input_line_pointer; | |
1002 | input_line_pointer = save_in; | |
1003 | return (int) FAIL; | |
1004 | } | |
1005 | ||
1c0d3aa6 NC |
1006 | *str = input_line_pointer; |
1007 | input_line_pointer = save_in; | |
1008 | return SUCCESS; | |
1009 | } | |
1010 | ||
1011 | /* Check if an immediate is valid. If so, convert it to the right format. */ | |
1012 | ||
1013 | static int | |
1014 | validate_immediate (int val, unsigned int data_type) | |
1015 | { | |
1016 | switch (data_type) | |
1017 | { | |
1018 | case _VALUE_HI16: | |
1019 | { | |
1020 | int val_hi = ((val & 0xffff0000) >> 16); | |
1021 | ||
1022 | if (score_df_range[data_type].range[0] <= val_hi | |
1023 | && val_hi <= score_df_range[data_type].range[1]) | |
1024 | return val_hi; | |
1025 | } | |
1026 | break; | |
1027 | ||
1028 | case _VALUE_LO16: | |
1029 | { | |
1030 | int val_lo = (val & 0xffff); | |
1031 | ||
1032 | if (score_df_range[data_type].range[0] <= val_lo | |
1033 | && val_lo <= score_df_range[data_type].range[1]) | |
1034 | return val_lo; | |
1035 | } | |
1036 | break; | |
1037 | ||
1038 | case _VALUE: | |
1039 | return val; | |
1040 | break; | |
1041 | ||
1042 | default: | |
1043 | if (data_type == _SIMM14_NEG || data_type == _SIMM16_NEG || data_type == _IMM16_NEG) | |
1044 | val = -val; | |
1045 | ||
1046 | if (score_df_range[data_type].range[0] <= val | |
1047 | && val <= score_df_range[data_type].range[1]) | |
1048 | return val; | |
1049 | ||
1050 | break; | |
1051 | } | |
1052 | ||
1053 | return (int) FAIL; | |
1054 | } | |
1055 | ||
1056 | static int | |
1057 | data_op2 (char **str, int shift, enum score_data_type data_type) | |
1058 | { | |
1059 | int value; | |
1060 | char data_exp[MAX_LITERAL_POOL_SIZE]; | |
1061 | char *dataptr; | |
1062 | int cnt = 0; | |
1063 | char *pp = NULL; | |
1064 | ||
1065 | skip_whitespace (*str); | |
1066 | inst.error = NULL; | |
1067 | dataptr = * str; | |
1068 | ||
1069 | while ((*dataptr != '\0') && (*dataptr != '|') && (cnt <= MAX_LITERAL_POOL_SIZE)) /* 0x7c = ='|' */ | |
1070 | { | |
1071 | data_exp[cnt] = *dataptr; | |
1072 | dataptr++; | |
1073 | cnt++; | |
1074 | } | |
1075 | ||
1076 | data_exp[cnt] = '\0'; | |
1077 | pp = (char *)&data_exp; | |
1078 | ||
1079 | if (*dataptr == '|') /* process PCE */ | |
1080 | { | |
1081 | if (my_get_expression (&inst.reloc.exp, &pp) == (int) FAIL) | |
1082 | return (int) FAIL; | |
1083 | end_of_line (pp); | |
1084 | if (inst.error != 0) | |
1085 | return (int) FAIL; /* to ouptut_inst to printf out the error */ | |
1086 | *str = dataptr; | |
1087 | } | |
1088 | else /* process 16 bit */ | |
1089 | { | |
1090 | if (my_get_expression (&inst.reloc.exp, str) == (int) FAIL) | |
1091 | { | |
1092 | return (int) FAIL; | |
1093 | } | |
1094 | ||
1095 | dataptr = (char *)data_exp; | |
1096 | for (; *dataptr != '\0'; dataptr++) | |
1097 | { | |
1098 | *dataptr = TOLOWER (*dataptr); | |
1099 | if (*dataptr == '!' || *dataptr == ' ') | |
1100 | break; | |
1101 | } | |
1102 | dataptr = (char *)data_exp; | |
1103 | ||
1104 | if ((*dataptr == '0') && (*(dataptr + 1) == 'x') | |
1105 | && (data_type != _SIMM16_LA) | |
1106 | && (data_type != _VALUE_HI16) | |
1107 | && (data_type != _VALUE_LO16) | |
1108 | && (data_type != _IMM16) | |
1109 | && (data_type != _IMM15) | |
1110 | && (data_type != _IMM14) | |
1111 | && (data_type != _IMM4) | |
1112 | && (data_type != _IMM5) | |
1113 | && (data_type != _IMM8) | |
1114 | && (data_type != _IMM5_RSHIFT_1) | |
1115 | && (data_type != _IMM5_RSHIFT_2) | |
1116 | && (data_type != _SIMM14_NEG) | |
1117 | && (data_type != _IMM10_RSHIFT_2) | |
1118 | && (data_type != _GP_IMM15)) | |
1119 | { | |
1120 | data_type += 24; | |
1121 | } | |
b138abaa NC |
1122 | |
1123 | if ((inst.reloc.exp.X_add_number == 0) | |
1124 | && (inst.type != Insn_Type_SYN) | |
1125 | && (inst.type != Rd_rvalueRs_SI15) | |
1126 | && (inst.type != Rd_lvalueRs_SI15) | |
1127 | && (inst.type != Insn_internal) | |
1128 | && (((*dataptr >= 'a') && (*dataptr <= 'z')) | |
1129 | || ((*dataptr == '0') && (*(dataptr + 1) == 'x') && (*(dataptr + 2) != '0')) | |
1130 | || ((*dataptr == '+') && (*(dataptr + 1) != '0')) | |
1131 | || ((*dataptr == '-') && (*(dataptr + 1) != '0')))) | |
1132 | { | |
1133 | inst.error = BAD_ARGS; | |
1134 | return (int) FAIL; | |
1135 | } | |
1c0d3aa6 NC |
1136 | } |
1137 | ||
1138 | if ((inst.reloc.exp.X_add_symbol) | |
1139 | && ((data_type == _SIMM16) | |
1140 | || (data_type == _SIMM16_NEG) | |
1141 | || (data_type == _IMM16_NEG) | |
1142 | || (data_type == _SIMM14) | |
1143 | || (data_type == _SIMM14_NEG) | |
1144 | || (data_type == _IMM5) | |
1145 | || (data_type == _IMM14) | |
1146 | || (data_type == _IMM20) | |
1147 | || (data_type == _IMM16) | |
1148 | || (data_type == _IMM15) | |
1149 | || (data_type == _IMM4))) | |
1150 | { | |
1151 | inst.error = BAD_ARGS; | |
1152 | return (int) FAIL; | |
1153 | } | |
1154 | ||
1155 | if (inst.reloc.exp.X_add_symbol) | |
1156 | { | |
1157 | switch (data_type) | |
1158 | { | |
1159 | case _SIMM16_LA: | |
1160 | return (int) FAIL; | |
1161 | case _VALUE_HI16: | |
1162 | inst.reloc.type = BFD_RELOC_HI16_S; | |
1163 | inst.reloc.pc_rel = 0; | |
1164 | break; | |
1165 | case _VALUE_LO16: | |
1166 | inst.reloc.type = BFD_RELOC_LO16; | |
1167 | inst.reloc.pc_rel = 0; | |
1168 | break; | |
1169 | case _GP_IMM15: | |
1170 | inst.reloc.type = BFD_RELOC_SCORE_GPREL15; | |
1171 | inst.reloc.pc_rel = 0; | |
1172 | break; | |
1173 | case _SIMM16_pic: | |
1174 | case _IMM16_LO16_pic: | |
1175 | inst.reloc.type = BFD_RELOC_SCORE_GOT_LO16; | |
1176 | inst.reloc.pc_rel = 0; | |
1177 | break; | |
1178 | default: | |
1179 | inst.reloc.type = BFD_RELOC_32; | |
1180 | inst.reloc.pc_rel = 0; | |
1181 | break; | |
1182 | } | |
1183 | } | |
1184 | else | |
1185 | { | |
1186 | if (data_type == _IMM16_pic) | |
1187 | { | |
1188 | inst.reloc.type = BFD_RELOC_SCORE_DUMMY_HI16; | |
1189 | inst.reloc.pc_rel = 0; | |
1190 | } | |
1191 | ||
1192 | if (data_type == _SIMM16_LA && inst.reloc.exp.X_unsigned == 1) | |
1193 | { | |
1194 | value = validate_immediate (inst.reloc.exp.X_add_number, _SIMM16_LA_POS); | |
1195 | if (value == (int) FAIL) /* for advance to check if this is ldis */ | |
1196 | if ((inst.reloc.exp.X_add_number & 0xffff) == 0) | |
1197 | { | |
1198 | inst.instruction |= 0x8000000; | |
1199 | inst.instruction |= ((inst.reloc.exp.X_add_number >> 16) << 1) & 0x1fffe; | |
1200 | return SUCCESS; | |
1201 | } | |
1202 | } | |
1203 | else | |
1204 | { | |
1205 | value = validate_immediate (inst.reloc.exp.X_add_number, data_type); | |
1206 | } | |
1207 | ||
1208 | if (value == (int) FAIL) | |
1209 | { | |
1210 | char err_msg[100]; | |
1211 | ||
1212 | if ((data_type != _SIMM14_NEG) && (data_type != _SIMM16_NEG) && (data_type != _IMM16_NEG)) | |
1213 | { | |
1214 | sprintf (err_msg, | |
1215 | "invalid constant: %d bit expression not in range %d..%d", | |
1216 | score_df_range[data_type].bits, | |
1217 | score_df_range[data_type].range[0], score_df_range[data_type].range[1]); | |
1218 | } | |
1219 | else | |
1220 | { | |
1221 | sprintf (err_msg, | |
1222 | "invalid constant: %d bit expression not in range %d..%d", | |
1223 | score_df_range[data_type].bits, | |
1224 | -score_df_range[data_type].range[1], -score_df_range[data_type].range[0]); | |
1225 | } | |
1226 | ||
1227 | inst.error = _(err_msg); | |
1228 | return (int) FAIL; | |
1229 | } | |
1230 | ||
1231 | if ((score_df_range[data_type].range[0] != 0) || (data_type == _IMM5_RANGE_8_31)) | |
1232 | { | |
1233 | value &= (1 << score_df_range[data_type].bits) - 1; | |
1234 | } | |
1235 | ||
1236 | inst.instruction |= value << shift; | |
1237 | } | |
1238 | ||
1239 | if ((inst.instruction & 0xf0000000) == 0x30000000) | |
1240 | { | |
1241 | if ((((inst.instruction >> 20) & 0x1F) != 0) | |
1242 | && (((inst.instruction >> 20) & 0x1F) != 1) | |
1243 | && (((inst.instruction >> 20) & 0x1F) != 2) | |
1244 | && (((inst.instruction >> 20) & 0x1F) != 3) | |
1245 | && (((inst.instruction >> 20) & 0x1F) != 4) | |
1246 | && (((inst.instruction >> 20) & 0x1F) != 8) | |
1247 | && (((inst.instruction >> 20) & 0x1F) != 9) | |
1248 | && (((inst.instruction >> 20) & 0x1F) != 0xa) | |
1249 | && (((inst.instruction >> 20) & 0x1F) != 0xb) | |
1250 | && (((inst.instruction >> 20) & 0x1F) != 0xc) | |
1251 | && (((inst.instruction >> 20) & 0x1F) != 0xd) | |
1252 | && (((inst.instruction >> 20) & 0x1F) != 0xe) | |
1253 | && (((inst.instruction >> 20) & 0x1F) != 0x10) | |
1254 | && (((inst.instruction >> 20) & 0x1F) != 0x11) | |
1255 | && (((inst.instruction >> 20) & 0x1F) != 0x18) | |
1256 | && (((inst.instruction >> 20) & 0x1F) != 0x1A) | |
1257 | && (((inst.instruction >> 20) & 0x1F) != 0x1B) | |
1258 | && (((inst.instruction >> 20) & 0x1F) != 0x1d) | |
1259 | && (((inst.instruction >> 20) & 0x1F) != 0x1e) | |
1260 | && (((inst.instruction >> 20) & 0x1F) != 0x1f)) | |
1261 | { | |
1262 | char err_msg[100]; | |
1263 | ||
1264 | sprintf (err_msg, "invalid constant: bit expression not defined"); | |
1265 | inst.error = _(err_msg); | |
1266 | return (int) FAIL; | |
1267 | } | |
1268 | } | |
1269 | ||
1270 | return SUCCESS; | |
1271 | } | |
1272 | ||
1273 | /* Handle addi/addi.c/addis.c/cmpi.c/addis.c/ldi. */ | |
1274 | ||
1275 | static void | |
1276 | do_rdsi16 (char *str) | |
1277 | { | |
1278 | skip_whitespace (str); | |
1279 | ||
1280 | if (reg_required_here (&str, 20, REG_TYPE_SCORE) == (int) FAIL | |
1281 | || skip_past_comma (&str) == (int) FAIL | |
1282 | || data_op2 (&str, 1, _SIMM16) == (int) FAIL | |
1283 | || end_of_line (str) == (int) FAIL) | |
1284 | return; | |
1285 | ||
1286 | /* ldi. */ | |
1287 | if ((inst.instruction & 0x20c0000) == 0x20c0000) | |
1288 | { | |
1289 | if ((((inst.instruction >> 20) & 0x10) == 0x10) || ((inst.instruction & 0x1fe00) != 0)) | |
1290 | { | |
1291 | inst.relax_inst = 0x8000; | |
1292 | } | |
1293 | else | |
1294 | { | |
1295 | inst.relax_inst |= (inst.instruction >> 1) & 0xff; | |
1296 | inst.relax_inst |= (((inst.instruction >> 20) & 0xf) << 8); | |
1297 | inst.relax_size = 2; | |
1298 | } | |
1299 | } | |
1300 | else if (((inst.instruction >> 20) & 0x10) == 0x10) | |
1301 | { | |
1302 | inst.relax_inst = 0x8000; | |
1303 | } | |
1304 | } | |
1305 | ||
1306 | /* Handle subi/subi.c. */ | |
1307 | ||
1308 | static void | |
1309 | do_sub_rdsi16 (char *str) | |
1310 | { | |
1311 | skip_whitespace (str); | |
1312 | ||
1313 | if (reg_required_here (&str, 20, REG_TYPE_SCORE) != (int) FAIL | |
1314 | && skip_past_comma (&str) != (int) FAIL | |
1315 | && data_op2 (&str, 1, _SIMM16_NEG) != (int) FAIL) | |
1316 | end_of_line (str); | |
1317 | } | |
1318 | ||
1319 | /* Handle subis/subis.c. */ | |
1320 | ||
1321 | static void | |
1322 | do_sub_rdi16 (char *str) | |
1323 | { | |
1324 | skip_whitespace (str); | |
1325 | ||
1326 | if (reg_required_here (&str, 20, REG_TYPE_SCORE) != (int) FAIL | |
1327 | && skip_past_comma (&str) != (int) FAIL | |
1328 | && data_op2 (&str, 1, _IMM16_NEG) != (int) FAIL) | |
1329 | end_of_line (str); | |
1330 | } | |
1331 | ||
1332 | /* Handle addri/addri.c. */ | |
1333 | ||
1334 | static void | |
1335 | do_rdrssi14 (char *str) /* -(2^13)~((2^13)-1) */ | |
1336 | { | |
1337 | skip_whitespace (str); | |
1338 | ||
1339 | if (reg_required_here (&str, 20, REG_TYPE_SCORE) != (int) FAIL | |
1340 | && skip_past_comma (&str) != (int) FAIL | |
1341 | && reg_required_here (&str, 15, REG_TYPE_SCORE) != (int) FAIL | |
1342 | && skip_past_comma (&str) != (int) FAIL) | |
1343 | data_op2 (&str, 1, _SIMM14); | |
1344 | } | |
1345 | ||
1346 | /* Handle subri.c/subri. */ | |
1347 | static void | |
1348 | do_sub_rdrssi14 (char *str) /* -(2^13)~((2^13)-1) */ | |
1349 | { | |
1350 | skip_whitespace (str); | |
1351 | ||
1352 | if (reg_required_here (&str, 20, REG_TYPE_SCORE) != (int) FAIL | |
1353 | && skip_past_comma (&str) != (int) FAIL | |
1354 | && reg_required_here (&str, 15, REG_TYPE_SCORE) != (int) FAIL | |
1355 | && skip_past_comma (&str) != (int) FAIL | |
1356 | && data_op2 (&str, 1, _SIMM14_NEG) != (int) FAIL) | |
1357 | end_of_line (str); | |
1358 | } | |
1359 | ||
1360 | /* Handle bitclr.c/bitset.c/bittgl.c/slli.c/srai.c/srli.c/roli.c/rori.c/rolic.c. */ | |
1361 | static void | |
1362 | do_rdrsi5 (char *str) /* 0~((2^14)-1) */ | |
1363 | { | |
1364 | skip_whitespace (str); | |
1365 | ||
1366 | if (reg_required_here (&str, 20, REG_TYPE_SCORE) == (int) FAIL | |
1367 | || skip_past_comma (&str) == (int) FAIL | |
1368 | || reg_required_here (&str, 15, REG_TYPE_SCORE) == (int) FAIL | |
1369 | || skip_past_comma (&str) == (int) FAIL | |
1370 | || data_op2 (&str, 10, _IMM5) == (int) FAIL | |
1371 | || end_of_line (str) == (int) FAIL) | |
1372 | return; | |
1373 | ||
1374 | if ((((inst.instruction >> 20) & 0x1f) == ((inst.instruction >> 15) & 0x1f)) | |
1375 | && (inst.relax_inst != 0x8000) && (((inst.instruction >> 15) & 0x10) == 0)) | |
1376 | { | |
1377 | inst.relax_inst |= (((inst.instruction >> 10) & 0x1f) << 3) | (((inst.instruction >> 15) & 0xf) << 8); | |
1378 | inst.relax_size = 2; | |
1379 | } | |
1380 | else | |
1381 | inst.relax_inst = 0x8000; | |
1382 | } | |
1383 | ||
1384 | /* Handle andri/orri/andri.c/orri.c. */ | |
1385 | ||
1386 | static void | |
1387 | do_rdrsi14 (char *str) /* 0 ~ ((2^14)-1) */ | |
1388 | { | |
1389 | skip_whitespace (str); | |
1390 | ||
1391 | if (reg_required_here (&str, 20, REG_TYPE_SCORE) != (int) FAIL | |
1392 | && skip_past_comma (&str) != (int) FAIL | |
1393 | && reg_required_here (&str, 15, REG_TYPE_SCORE) != (int) FAIL | |
1394 | && skip_past_comma (&str) != (int) FAIL | |
1395 | && data_op2 (&str, 1, _IMM14) != (int) FAIL) | |
1396 | end_of_line (str); | |
1397 | } | |
1398 | ||
1399 | /* Handle bittst.c. */ | |
1400 | static void | |
1401 | do_xrsi5 (char *str) | |
1402 | { | |
1403 | skip_whitespace (str); | |
1404 | ||
1405 | if (reg_required_here (&str, 15, REG_TYPE_SCORE) == (int) FAIL | |
1406 | || skip_past_comma (&str) == (int) FAIL | |
1407 | || data_op2 (&str, 10, _IMM5) == (int) FAIL | |
1408 | || end_of_line (str) == (int) FAIL) | |
1409 | return; | |
1410 | ||
1411 | if ((inst.relax_inst != 0x8000) && (((inst.instruction >> 15) & 0x10) == 0)) | |
1412 | { | |
1413 | inst.relax_inst |= (((inst.instruction >> 10) & 0x1f) << 3) | (((inst.instruction >> 15) & 0xf) << 8); | |
1414 | inst.relax_size = 2; | |
1415 | } | |
1416 | else | |
1417 | inst.relax_inst = 0x8000; | |
1418 | } | |
1419 | ||
1420 | /* Handle andi/ori/andis/oris/ldis. */ | |
1421 | static void | |
1422 | do_rdi16 (char *str) | |
1423 | { | |
1424 | skip_whitespace (str); | |
1425 | ||
1426 | if (reg_required_here (&str, 20, REG_TYPE_SCORE) == (int) FAIL | |
1427 | || skip_past_comma (&str) == (int) FAIL | |
1428 | || data_op2 (&str, 1, _IMM16) == (int) FAIL | |
1429 | || end_of_line (str) == (int) FAIL) | |
1430 | return; | |
1431 | ||
1432 | if (((inst.instruction & 0xa0dfffe) != 0xa0c0000) || ((((inst.instruction >> 20) & 0x1f) & 0x10) == 0x10)) | |
1433 | inst.relax_inst = 0x8000; | |
1434 | else | |
1435 | inst.relax_size = 2; | |
1436 | } | |
1437 | ||
1438 | static void | |
1439 | do_macro_rdi32hi (char *str) | |
1440 | { | |
1441 | skip_whitespace (str); | |
1442 | ||
1443 | /* Do not handle end_of_line(). */ | |
1444 | if (reg_required_here (&str, 20, REG_TYPE_SCORE) != (int) FAIL | |
1445 | && skip_past_comma (&str) != (int) FAIL) | |
1446 | data_op2 (&str, 1, _VALUE_HI16); | |
1447 | } | |
1448 | ||
1449 | static void | |
1450 | do_macro_rdi32lo (char *str) | |
1451 | { | |
1452 | skip_whitespace (str); | |
1453 | ||
1454 | /* Do not handle end_of_line(). */ | |
1455 | if (reg_required_here (&str, 20, REG_TYPE_SCORE) != (int) FAIL | |
1456 | && skip_past_comma (&str) != (int) FAIL) | |
1457 | data_op2 (&str, 1, _VALUE_LO16); | |
1458 | } | |
1459 | ||
1460 | /* Handle ldis_pic. */ | |
1461 | ||
1462 | static void | |
1463 | do_rdi16_pic (char *str) | |
1464 | { | |
1465 | skip_whitespace (str); | |
1466 | ||
1467 | if (reg_required_here (&str, 20, REG_TYPE_SCORE) != (int) FAIL | |
1468 | && skip_past_comma (&str) != (int) FAIL | |
1469 | && data_op2 (&str, 1, _IMM16_pic) != (int) FAIL) | |
1470 | end_of_line (str); | |
1471 | } | |
1472 | ||
1473 | /* Handle addi_s_pic to generate R_SCORE_GOT_LO16 . */ | |
1474 | ||
1475 | static void | |
1476 | do_addi_s_pic (char *str) | |
1477 | { | |
1478 | skip_whitespace (str); | |
1479 | ||
1480 | if (reg_required_here (&str, 20, REG_TYPE_SCORE) != (int) FAIL | |
1481 | && skip_past_comma (&str) != (int) FAIL | |
1482 | && data_op2 (&str, 1, _SIMM16_pic) != (int) FAIL) | |
1483 | end_of_line (str); | |
1484 | } | |
1485 | ||
1486 | /* Handle addi_u_pic to generate R_SCORE_GOT_LO16 . */ | |
1487 | ||
1488 | static void | |
1489 | do_addi_u_pic (char *str) | |
1490 | { | |
1491 | skip_whitespace (str); | |
1492 | ||
1493 | if (reg_required_here (&str, 20, REG_TYPE_SCORE) != (int) FAIL | |
1494 | && skip_past_comma (&str) != (int) FAIL | |
1495 | && data_op2 (&str, 1, _IMM16_LO16_pic) != (int) FAIL) | |
1496 | end_of_line (str); | |
1497 | } | |
1498 | ||
1499 | /* Handle mfceh/mfcel/mtceh/mtchl. */ | |
1500 | ||
1501 | static void | |
1502 | do_rd (char *str) | |
1503 | { | |
1504 | skip_whitespace (str); | |
1505 | ||
1506 | if (reg_required_here (&str, 20, REG_TYPE_SCORE) != (int) FAIL) | |
1507 | end_of_line (str); | |
1508 | } | |
1509 | ||
1510 | static void | |
1511 | do_rs (char *str) | |
1512 | { | |
1513 | skip_whitespace (str); | |
1514 | ||
1515 | if (reg_required_here (&str, 15, REG_TYPE_SCORE) == (int) FAIL | |
1516 | || end_of_line (str) == (int) FAIL) | |
1517 | return; | |
1518 | ||
1519 | if ((inst.relax_inst != 0x8000) && (((inst.instruction >> 15) & 0x10) == 0)) | |
1520 | { | |
1521 | inst.relax_inst |= (((inst.instruction >> 10) & 0xf) << 8) | (((inst.instruction >> 15) & 0xf) << 4); | |
1522 | inst.relax_size = 2; | |
1523 | } | |
1524 | else | |
1525 | inst.relax_inst = 0x8000; | |
1526 | } | |
1527 | ||
1528 | static void | |
1529 | do_i15 (char *str) | |
1530 | { | |
1531 | skip_whitespace (str); | |
1532 | ||
1533 | if (data_op2 (&str, 10, _IMM15) != (int) FAIL) | |
1534 | end_of_line (str); | |
1535 | } | |
1536 | ||
1537 | static void | |
1538 | do_xi5x (char *str) | |
1539 | { | |
1540 | skip_whitespace (str); | |
1541 | ||
1542 | if (data_op2 (&str, 15, _IMM5) == (int) FAIL || end_of_line (str) == (int) FAIL) | |
1543 | return; | |
1544 | ||
1545 | if (inst.relax_inst != 0x8000) | |
1546 | { | |
1547 | inst.relax_inst |= (((inst.instruction >> 15) & 0x1f) << 3); | |
1548 | inst.relax_size = 2; | |
1549 | } | |
1550 | } | |
1551 | ||
1552 | static void | |
1553 | do_rdrs (char *str) | |
1554 | { | |
1555 | skip_whitespace (str); | |
1556 | ||
1557 | if (reg_required_here (&str, 20, REG_TYPE_SCORE) == (int) FAIL | |
1558 | || skip_past_comma (&str) == (int) FAIL | |
1559 | || reg_required_here (&str, 15, REG_TYPE_SCORE) == (int) FAIL | |
1560 | || end_of_line (str) == (int) FAIL) | |
1561 | return; | |
1562 | ||
1563 | if (inst.relax_inst != 0x8000) | |
1564 | { | |
1565 | if (((inst.instruction & 0x7f) == 0x56)) /* adjust mv -> mv! / mlfh! / mhfl! */ | |
1566 | { | |
1567 | /* mlfh */ | |
1568 | if ((((inst.instruction >> 15) & 0x10) != 0x0) && (((inst.instruction >> 20) & 0x10) == 0)) | |
1569 | { | |
1570 | inst.relax_inst = 0x00000001 | (((inst.instruction >> 15) & 0xf) << 4) | |
1571 | | (((inst.instruction >> 20) & 0xf) << 8); | |
1572 | inst.relax_size = 2; | |
1573 | } | |
1574 | /* mhfl */ | |
1575 | else if ((((inst.instruction >> 15) & 0x10) == 0x0) && ((inst.instruction >> 20) & 0x10) != 0) | |
1576 | { | |
1577 | inst.relax_inst = 0x00000002 | (((inst.instruction >> 15) & 0xf) << 4) | |
1578 | | (((inst.instruction >> 20) & 0xf) << 8); | |
1579 | inst.relax_size = 2; | |
1580 | } | |
1581 | else if ((((inst.instruction >> 15) & 0x10) == 0x0) && (((inst.instruction >> 20) & 0x10) == 0)) | |
1582 | { | |
1583 | inst.relax_inst |= (((inst.instruction >> 15) & 0xf) << 4) | |
1584 | | (((inst.instruction >> 20) & 0xf) << 8); | |
1585 | inst.relax_size = 2; | |
1586 | } | |
1587 | else | |
1588 | { | |
1589 | inst.relax_inst = 0x8000; | |
1590 | } | |
1591 | } | |
1592 | else if ((((inst.instruction >> 15) & 0x10) == 0x0) && (((inst.instruction >> 20) & 0x10) == 0)) | |
1593 | { | |
1594 | inst.relax_inst |= (((inst.instruction >> 15) & 0xf) << 4) | |
1595 | | (((inst.instruction >> 20) & 0xf) << 8); | |
1596 | inst.relax_size = 2; | |
1597 | } | |
1598 | else | |
1599 | { | |
1600 | inst.relax_inst = 0x8000; | |
1601 | } | |
1602 | } | |
1603 | } | |
1604 | ||
1605 | /* Handle mfcr/mtcr. */ | |
1606 | static void | |
1607 | do_rdcrs (char *str) | |
1608 | { | |
1609 | skip_whitespace (str); | |
1610 | ||
1611 | if (reg_required_here (&str, 20, REG_TYPE_SCORE) != (int) FAIL | |
1612 | && skip_past_comma (&str) != (int) FAIL | |
1613 | && reg_required_here (&str, 15, REG_TYPE_SCORE_CR) != (int) FAIL) | |
1614 | end_of_line (str); | |
1615 | } | |
1616 | ||
1617 | /* Handle mfsr/mtsr. */ | |
1618 | ||
1619 | static void | |
1620 | do_rdsrs (char *str) | |
1621 | { | |
1622 | skip_whitespace (str); | |
1623 | ||
1624 | /* mfsr */ | |
1625 | if ((inst.instruction & 0xff) == 0x50) | |
1626 | { | |
1627 | if (reg_required_here (&str, 20, REG_TYPE_SCORE) != (int) FAIL | |
1628 | && skip_past_comma (&str) != (int) FAIL | |
1629 | && reg_required_here (&str, 10, REG_TYPE_SCORE_SR) != (int) FAIL) | |
1630 | end_of_line (str); | |
1631 | } | |
1632 | else | |
1633 | { | |
1634 | if (reg_required_here (&str, 15, REG_TYPE_SCORE) != (int) FAIL | |
1635 | && skip_past_comma (&str) != (int) FAIL) | |
1636 | reg_required_here (&str, 10, REG_TYPE_SCORE_SR); | |
1637 | } | |
1638 | } | |
1639 | ||
1640 | /* Handle neg. */ | |
1641 | ||
1642 | static void | |
1643 | do_rdxrs (char *str) | |
1644 | { | |
1645 | skip_whitespace (str); | |
1646 | ||
1647 | if (reg_required_here (&str, 20, REG_TYPE_SCORE) == (int) FAIL | |
1648 | || skip_past_comma (&str) == (int) FAIL | |
1649 | || reg_required_here (&str, 10, REG_TYPE_SCORE) == (int) FAIL | |
1650 | || end_of_line (str) == (int) FAIL) | |
1651 | return; | |
1652 | ||
1653 | if ((inst.relax_inst != 0x8000) && (((inst.instruction >> 10) & 0x10) == 0) | |
1654 | && (((inst.instruction >> 20) & 0x10) == 0)) | |
1655 | { | |
1656 | inst.relax_inst |= (((inst.instruction >> 10) & 0xf) << 4) | (((inst.instruction >> 20) & 0xf) << 8); | |
1657 | inst.relax_size = 2; | |
1658 | } | |
1659 | else | |
1660 | inst.relax_inst = 0x8000; | |
1661 | } | |
1662 | ||
1663 | /* Handle cmp.c/cmp<cond>. */ | |
1664 | static void | |
1665 | do_rsrs (char *str) | |
1666 | { | |
1667 | skip_whitespace (str); | |
1668 | ||
1669 | if (reg_required_here (&str, 15, REG_TYPE_SCORE) == (int) FAIL | |
1670 | || skip_past_comma (&str) == (int) FAIL | |
1671 | || reg_required_here (&str, 10, REG_TYPE_SCORE) == (int) FAIL | |
1672 | || end_of_line (str) == (int) FAIL) | |
1673 | return; | |
1674 | ||
1675 | if ((inst.relax_inst != 0x8000) && (((inst.instruction >> 20) & 0x1f) == 3) | |
1676 | && (((inst.instruction >> 10) & 0x10) == 0) && (((inst.instruction >> 15) & 0x10) == 0)) | |
1677 | { | |
1678 | inst.relax_inst |= (((inst.instruction >> 10) & 0xf) << 4) | (((inst.instruction >> 15) & 0xf) << 8); | |
1679 | inst.relax_size = 2; | |
1680 | } | |
1681 | else | |
1682 | inst.relax_inst = 0x8000; | |
1683 | } | |
1684 | ||
1685 | static void | |
1686 | do_ceinst (char *str) | |
1687 | { | |
1688 | char *strbak; | |
1689 | ||
1690 | strbak = str; | |
1691 | skip_whitespace (str); | |
1692 | ||
1693 | if (data_op2 (&str, 20, _IMM5) == (int) FAIL | |
1694 | || skip_past_comma (&str) == (int) FAIL | |
1695 | || reg_required_here (&str, 15, REG_TYPE_SCORE) == (int) FAIL | |
1696 | || skip_past_comma (&str) == (int) FAIL | |
1697 | || reg_required_here (&str, 10, REG_TYPE_SCORE) == (int) FAIL | |
1698 | || skip_past_comma (&str) == (int) FAIL | |
1699 | || data_op2 (&str, 5, _IMM5) == (int) FAIL | |
1700 | || skip_past_comma (&str) == (int) FAIL | |
1701 | || data_op2 (&str, 0, _IMM5) == (int) FAIL | |
1702 | || end_of_line (str) == (int) FAIL) | |
1703 | { | |
1704 | return; | |
1705 | } | |
1706 | else | |
1707 | { | |
1708 | str = strbak; | |
1709 | if (data_op2 (&str, 0, _IMM25) == (int) FAIL) | |
1710 | return; | |
1711 | } | |
1712 | } | |
1713 | ||
1714 | static int | |
1715 | reglow_required_here (char **str, int shift) | |
1716 | { | |
1717 | static char buff[MAX_LITERAL_POOL_SIZE]; | |
1718 | int reg; | |
1719 | char *start = *str; | |
1720 | ||
1721 | if ((reg = score_reg_parse (str, all_reg_maps[REG_TYPE_SCORE].htab)) != (int) FAIL) | |
1722 | { | |
1723 | if ((reg == 1) && (nor1 == 1) && (inst.bwarn == 0)) | |
1724 | { | |
1725 | as_warn ("Using temp register(r1)"); | |
1726 | inst.bwarn = 1; | |
1727 | } | |
1728 | if (reg < 16) | |
1729 | { | |
1730 | if (shift >= 0) | |
1731 | inst.instruction |= reg << shift; | |
1732 | ||
1733 | return reg; | |
1734 | } | |
1735 | } | |
1736 | ||
1737 | /* Restore the start point, we may have got a reg of the wrong class. */ | |
1738 | *str = start; | |
1739 | sprintf (buff, _("low register(r0-r15)expected, not '%.100s'"), start); | |
1740 | inst.error = buff; | |
1741 | return (int) FAIL; | |
1742 | } | |
1743 | ||
1744 | /* Handle addc!/add!/and!/cmp!/neg!/not!/or!/sll!/srl!/sra!/xor!/sub!. */ | |
1745 | static void | |
1746 | do16_rdrs (char *str) | |
1747 | { | |
1748 | skip_whitespace (str); | |
1749 | ||
1750 | if (reglow_required_here (&str, 8) == (int) FAIL | |
1751 | || skip_past_comma (&str) == (int) FAIL | |
1752 | || reglow_required_here (&str, 4) == (int) FAIL | |
1753 | || end_of_line (str) == (int) FAIL) | |
1754 | { | |
1755 | return; | |
1756 | } | |
1757 | else | |
1758 | { | |
1759 | if ((inst.instruction & 0x700f) == 0x2003) /* cmp! */ | |
1760 | { | |
1761 | inst.relax_inst |= (((inst.instruction >> 8) & 0xf) << 15) | |
1762 | | (((inst.instruction >> 4) & 0xf) << 10); | |
1763 | } | |
1764 | else | |
1765 | { | |
1766 | inst.relax_inst |= (((inst.instruction >> 8) & 0xf) << 20) | |
1767 | | (((inst.instruction >> 8) & 0xf) << 15) | (((inst.instruction >> 4) & 0xf) << 10); | |
1768 | } | |
1769 | inst.relax_size = 4; | |
1770 | } | |
1771 | } | |
1772 | ||
1773 | static void | |
1774 | do16_rs (char *str) | |
1775 | { | |
1776 | int rd = 0; | |
1777 | ||
1778 | skip_whitespace (str); | |
1779 | ||
1780 | if ((rd = reglow_required_here (&str, 4)) == (int) FAIL | |
1781 | || end_of_line (str) == (int) FAIL) | |
1782 | { | |
1783 | return; | |
1784 | } | |
1785 | else | |
1786 | { | |
1787 | inst.relax_inst |= rd << 20; | |
1788 | inst.relax_size = 4; | |
1789 | } | |
1790 | } | |
1791 | ||
1792 | /* Handle br!/brl!. */ | |
1793 | static void | |
1794 | do16_xrs (char *str) | |
1795 | { | |
1796 | skip_whitespace (str); | |
1797 | ||
1798 | if (reglow_required_here (&str, 4) == (int) FAIL || end_of_line (str) == (int) FAIL) | |
1799 | { | |
1800 | return; | |
1801 | } | |
1802 | else | |
1803 | { | |
1804 | inst.relax_inst |= (((inst.instruction >> 8) & 0xf) << 10) | |
1805 | | (((inst.instruction >> 4) & 0xf) << 15); | |
1806 | inst.relax_size = 4; | |
1807 | } | |
1808 | } | |
1809 | ||
1810 | static int | |
1811 | reghigh_required_here (char **str, int shift) | |
1812 | { | |
1813 | static char buff[MAX_LITERAL_POOL_SIZE]; | |
1814 | int reg; | |
1815 | char *start = *str; | |
1816 | ||
1817 | if ((reg = score_reg_parse (str, all_reg_maps[REG_TYPE_SCORE].htab)) != (int) FAIL) | |
1818 | { | |
1819 | if (15 < reg && reg < 32) | |
1820 | { | |
1821 | if (shift >= 0) | |
1822 | inst.instruction |= (reg & 0xf) << shift; | |
1823 | ||
1824 | return reg; | |
1825 | } | |
1826 | } | |
1827 | ||
1828 | *str = start; | |
1829 | sprintf (buff, _("high register(r16-r31)expected, not '%.100s'"), start); | |
1830 | inst.error = buff; | |
1831 | return (int) FAIL; | |
1832 | } | |
1833 | ||
1834 | /* Handle mhfl!. */ | |
1835 | static void | |
1836 | do16_hrdrs (char *str) | |
1837 | { | |
1838 | skip_whitespace (str); | |
1839 | ||
1840 | if (reghigh_required_here (&str, 8) != (int) FAIL | |
1841 | && skip_past_comma (&str) != (int) FAIL | |
1842 | && reglow_required_here (&str, 4) != (int) FAIL | |
1843 | && end_of_line (str) != (int) FAIL) | |
1844 | { | |
1845 | inst.relax_inst |= ((((inst.instruction >> 8) & 0xf) | 0x10) << 20) | |
1846 | | (((inst.instruction >> 4) & 0xf) << 15) | (0xf << 10); | |
1847 | inst.relax_size = 4; | |
1848 | } | |
1849 | } | |
1850 | ||
1851 | /* Handle mlfh!. */ | |
1852 | static void | |
1853 | do16_rdhrs (char *str) | |
1854 | { | |
1855 | skip_whitespace (str); | |
1856 | ||
1857 | if (reglow_required_here (&str, 8) != (int) FAIL | |
1858 | && skip_past_comma (&str) != (int) FAIL | |
1859 | && reghigh_required_here (&str, 4) != (int) FAIL | |
1860 | && end_of_line (str) != (int) FAIL) | |
1861 | { | |
1862 | inst.relax_inst |= (((inst.instruction >> 8) & 0xf) << 20) | |
1863 | | ((((inst.instruction >> 4) & 0xf) | 0x10) << 15) | (0xf << 10); | |
1864 | inst.relax_size = 4; | |
1865 | } | |
1866 | } | |
1867 | ||
1868 | /* We need to be able to fix up arbitrary expressions in some statements. | |
1869 | This is so that we can handle symbols that are an arbitrary distance from | |
1870 | the pc. The most common cases are of the form ((+/-sym -/+ . - 8) & mask), | |
1871 | which returns part of an address in a form which will be valid for | |
1872 | a data instruction. We do this by pushing the expression into a symbol | |
1873 | in the expr_section, and creating a fix for that. */ | |
1874 | static fixS * | |
1875 | fix_new_score (fragS * frag, int where, short int size, expressionS * exp, int pc_rel, int reloc) | |
1876 | { | |
1877 | fixS *new_fix; | |
1878 | ||
1879 | switch (exp->X_op) | |
1880 | { | |
1881 | case O_constant: | |
1882 | case O_symbol: | |
1883 | case O_add: | |
1884 | case O_subtract: | |
1885 | new_fix = fix_new_exp (frag, where, size, exp, pc_rel, reloc); | |
1886 | break; | |
1887 | default: | |
1888 | new_fix = fix_new (frag, where, size, make_expr_symbol (exp), 0, pc_rel, reloc); | |
1889 | break; | |
1890 | } | |
1891 | return new_fix; | |
1892 | } | |
1893 | ||
1894 | static void | |
1895 | init_dependency_vector (void) | |
1896 | { | |
1897 | int i; | |
1898 | ||
1899 | for (i = 0; i < vector_size; i++) | |
1900 | memset (&dependency_vector[i], '\0', sizeof (dependency_vector[i])); | |
1901 | ||
1902 | return; | |
1903 | } | |
1904 | ||
1905 | static enum insn_type_for_dependency | |
1906 | dependency_type_from_insn (char *insn_name) | |
1907 | { | |
1908 | char name[INSN_NAME_LEN]; | |
1909 | const struct insn_to_dependency *tmp; | |
1910 | ||
1911 | strcpy (name, insn_name); | |
1912 | tmp = (const struct insn_to_dependency *) hash_find (dependency_insn_hsh, name); | |
1913 | ||
1914 | if (tmp) | |
1915 | return tmp->type; | |
1916 | ||
1917 | return D_all_insn; | |
1918 | } | |
1919 | ||
1920 | static int | |
1921 | check_dependency (char *pre_insn, char *pre_reg, | |
1922 | char *cur_insn, char *cur_reg, int *warn_or_error) | |
1923 | { | |
1924 | int bubbles = 0; | |
1925 | unsigned int i; | |
1926 | enum insn_type_for_dependency pre_insn_type; | |
1927 | enum insn_type_for_dependency cur_insn_type; | |
1928 | ||
1929 | pre_insn_type = dependency_type_from_insn (pre_insn); | |
1930 | cur_insn_type = dependency_type_from_insn (cur_insn); | |
1931 | ||
1932 | for (i = 0; i < sizeof (data_dependency_table) / sizeof (data_dependency_table[0]); i++) | |
1933 | { | |
1934 | if ((pre_insn_type == data_dependency_table[i].pre_insn_type) | |
1935 | && (D_all_insn == data_dependency_table[i].cur_insn_type | |
1936 | || cur_insn_type == data_dependency_table[i].cur_insn_type) | |
1937 | && (strcmp (data_dependency_table[i].pre_reg, "") == 0 | |
1938 | || strcmp (data_dependency_table[i].pre_reg, pre_reg) == 0) | |
1939 | && (strcmp (data_dependency_table[i].cur_reg, "") == 0 | |
1940 | || strcmp (data_dependency_table[i].cur_reg, cur_reg) == 0)) | |
1941 | { | |
1942 | bubbles = (score7) ? data_dependency_table[i].bubblenum_7 : data_dependency_table[i].bubblenum_5; | |
1943 | *warn_or_error = data_dependency_table[i].warn_or_error; | |
1944 | break; | |
1945 | } | |
1946 | } | |
1947 | ||
1948 | return bubbles; | |
1949 | } | |
1950 | ||
1951 | static void | |
1952 | build_one_frag (struct score_it one_inst) | |
1953 | { | |
1954 | char *p; | |
1955 | int relaxable_p = g_opt; | |
1956 | int relax_size = 0; | |
1957 | ||
1958 | /* Start a new frag if frag_now is not empty. */ | |
1959 | if (frag_now_fix () != 0) | |
1960 | { | |
1961 | if (!frag_now->tc_frag_data.is_insn) | |
1962 | frag_wane (frag_now); | |
1963 | ||
1964 | frag_new (0); | |
1965 | } | |
1966 | frag_grow (20); | |
1967 | ||
1968 | p = frag_more (one_inst.size); | |
1969 | md_number_to_chars (p, one_inst.instruction, one_inst.size); | |
1970 | ||
1971 | #ifdef OBJ_ELF | |
1972 | dwarf2_emit_insn (one_inst.size); | |
1973 | #endif | |
1974 | ||
1975 | relaxable_p &= (one_inst.relax_size != 0); | |
1976 | relax_size = relaxable_p ? one_inst.relax_size : 0; | |
1977 | ||
1978 | p = frag_var (rs_machine_dependent, relax_size + RELAX_PAD_BYTE, 0, | |
1979 | RELAX_ENCODE (one_inst.size, one_inst.relax_size, | |
1980 | one_inst.type, 0, 0, relaxable_p), | |
1981 | NULL, 0, NULL); | |
1982 | ||
1983 | if (relaxable_p) | |
1984 | md_number_to_chars (p, one_inst.relax_inst, relax_size); | |
1985 | } | |
1986 | ||
1987 | static void | |
1988 | handle_dependency (struct score_it *theinst) | |
1989 | { | |
1990 | int i; | |
1991 | int warn_or_error = 0; /* warn - 0; error - 1 */ | |
1992 | int bubbles = 0; | |
1993 | int remainder_bubbles = 0; | |
1994 | char cur_insn[INSN_NAME_LEN]; | |
1995 | char pre_insn[INSN_NAME_LEN]; | |
1996 | struct score_it nop_inst; | |
1997 | struct score_it pflush_inst; | |
1998 | ||
1999 | nop_inst.instruction = 0x0000; | |
2000 | nop_inst.size = 2; | |
2001 | nop_inst.relax_inst = 0x80008000; | |
2002 | nop_inst.relax_size = 4; | |
2003 | nop_inst.type = NO16_OPD; | |
2004 | ||
2005 | pflush_inst.instruction = 0x8000800a; | |
2006 | pflush_inst.size = 4; | |
2007 | pflush_inst.relax_inst = 0x8000; | |
2008 | pflush_inst.relax_size = 0; | |
2009 | pflush_inst.type = NO_OPD; | |
2010 | ||
2011 | /* pflush will clear all data dependency. */ | |
2012 | if (strcmp (theinst->name, "pflush") == 0) | |
2013 | { | |
2014 | init_dependency_vector (); | |
2015 | return; | |
2016 | } | |
2017 | ||
2018 | /* Push current instruction to dependency_vector[0]. */ | |
2019 | for (i = vector_size - 1; i > 0; i--) | |
2020 | memcpy (&dependency_vector[i], &dependency_vector[i - 1], sizeof (dependency_vector[i])); | |
2021 | ||
2022 | memcpy (&dependency_vector[0], theinst, sizeof (dependency_vector[i])); | |
2023 | ||
2024 | /* There is no dependency between nop and any instruction. */ | |
2025 | if (strcmp (dependency_vector[0].name, "nop") == 0 | |
2026 | || strcmp (dependency_vector[0].name, "nop!") == 0) | |
2027 | return; | |
2028 | ||
2029 | /* "pce" is defined in insn_to_dependency_table. */ | |
2030 | #define PCE_NAME "pce" | |
2031 | ||
2032 | if (dependency_vector[0].type == Insn_Type_PCE) | |
2033 | strcpy (cur_insn, PCE_NAME); | |
2034 | else | |
2035 | strcpy (cur_insn, dependency_vector[0].name); | |
2036 | ||
2037 | for (i = 1; i < vector_size; i++) | |
2038 | { | |
2039 | /* The element of dependency_vector is NULL. */ | |
2040 | if (dependency_vector[i].name[0] == '\0') | |
2041 | continue; | |
2042 | ||
2043 | if (dependency_vector[i].type == Insn_Type_PCE) | |
2044 | strcpy (pre_insn, PCE_NAME); | |
2045 | else | |
2046 | strcpy (pre_insn, dependency_vector[i].name); | |
2047 | ||
2048 | bubbles = check_dependency (pre_insn, dependency_vector[i].reg, | |
2049 | cur_insn, dependency_vector[0].reg, &warn_or_error); | |
2050 | remainder_bubbles = bubbles - i + 1; | |
2051 | ||
2052 | if (remainder_bubbles > 0) | |
2053 | { | |
2054 | int j; | |
2055 | ||
2056 | if (fix_data_dependency == 1) | |
2057 | { | |
2058 | if (remainder_bubbles <= 2) | |
2059 | { | |
2060 | if (warn_fix_data_dependency) | |
2061 | as_warn ("Fix data dependency: %s %s -- %s %s (insert %d nop!/%d)", | |
2062 | dependency_vector[i].name, dependency_vector[i].reg, | |
2063 | dependency_vector[0].name, dependency_vector[0].reg, | |
2064 | remainder_bubbles, bubbles); | |
2065 | ||
2066 | for (j = (vector_size - 1); (j - remainder_bubbles) > 0; j--) | |
2067 | memcpy (&dependency_vector[j], &dependency_vector[j - remainder_bubbles], | |
2068 | sizeof (dependency_vector[j])); | |
2069 | ||
2070 | for (j = 1; j <= remainder_bubbles; j++) | |
2071 | { | |
2072 | memset (&dependency_vector[j], '\0', sizeof (dependency_vector[j])); | |
2073 | /* Insert nop!. */ | |
2074 | build_one_frag (nop_inst); | |
2075 | } | |
2076 | } | |
2077 | else | |
2078 | { | |
2079 | if (warn_fix_data_dependency) | |
2080 | as_warn ("Fix data dependency: %s %s -- %s %s (insert 1 pflush/%d)", | |
2081 | dependency_vector[i].name, dependency_vector[i].reg, | |
2082 | dependency_vector[0].name, dependency_vector[0].reg, | |
2083 | bubbles); | |
2084 | ||
2085 | for (j = 1; j < vector_size; j++) | |
2086 | memset (&dependency_vector[j], '\0', sizeof (dependency_vector[j])); | |
2087 | ||
2088 | /* Insert pflush. */ | |
2089 | build_one_frag (pflush_inst); | |
2090 | } | |
2091 | } | |
2092 | else | |
2093 | { | |
2094 | if (warn_or_error) | |
2095 | { | |
2096 | as_bad ("data dependency: %s %s -- %s %s (%d/%d bubble)", | |
2097 | dependency_vector[i].name, dependency_vector[i].reg, | |
2098 | dependency_vector[0].name, dependency_vector[0].reg, | |
2099 | remainder_bubbles, bubbles); | |
2100 | } | |
2101 | else | |
2102 | { | |
2103 | as_warn ("data dependency: %s %s -- %s %s (%d/%d bubble)", | |
2104 | dependency_vector[i].name, dependency_vector[i].reg, | |
2105 | dependency_vector[0].name, dependency_vector[0].reg, | |
2106 | remainder_bubbles, bubbles); | |
2107 | } | |
2108 | } | |
2109 | } | |
2110 | } | |
2111 | } | |
2112 | ||
2113 | static enum insn_class | |
2114 | get_insn_class_from_type (enum score_insn_type type) | |
2115 | { | |
2116 | enum insn_class retval = (int) FAIL; | |
2117 | ||
2118 | switch (type) | |
2119 | { | |
2120 | case Rd_I4: | |
2121 | case Rd_I5: | |
2122 | case Rd_rvalueBP_I5: | |
2123 | case Rd_lvalueBP_I5: | |
2124 | case Rd_I8: | |
2125 | case PC_DISP8div2: | |
2126 | case PC_DISP11div2: | |
2127 | case Rd_Rs: | |
2128 | case Rd_HighRs: | |
2129 | case Rd_lvalueRs: | |
2130 | case Rd_rvalueRs: | |
2131 | case x_Rs: | |
2132 | case Rd_LowRs: | |
2133 | case NO16_OPD: | |
2134 | retval = INSN_CLASS_16; | |
2135 | break; | |
2136 | case Rd_Rs_I5: | |
2137 | case x_Rs_I5: | |
2138 | case x_I5_x: | |
2139 | case Rd_Rs_I14: | |
2140 | case I15: | |
2141 | case Rd_I16: | |
2142 | case Rd_SI16: | |
2143 | case Rd_rvalueRs_SI10: | |
2144 | case Rd_lvalueRs_SI10: | |
2145 | case Rd_rvalueRs_preSI12: | |
2146 | case Rd_rvalueRs_postSI12: | |
2147 | case Rd_lvalueRs_preSI12: | |
2148 | case Rd_lvalueRs_postSI12: | |
2149 | case Rd_Rs_SI14: | |
2150 | case Rd_rvalueRs_SI15: | |
2151 | case Rd_lvalueRs_SI15: | |
2152 | case PC_DISP19div2: | |
2153 | case PC_DISP24div2: | |
2154 | case Rd_Rs_Rs: | |
2155 | case x_Rs_x: | |
2156 | case x_Rs_Rs: | |
2157 | case Rd_Rs_x: | |
2158 | case Rd_x_Rs: | |
2159 | case Rd_x_x: | |
2160 | case OP5_rvalueRs_SI15: | |
2161 | case I5_Rs_Rs_I5_OP5: | |
2162 | case x_rvalueRs_post4: | |
2163 | case Rd_rvalueRs_post4: | |
2164 | case Rd_x_I5: | |
2165 | case Rd_lvalueRs_post4: | |
2166 | case x_lvalueRs_post4: | |
2167 | case Rd_Rs_Rs_imm: | |
2168 | case NO_OPD: | |
2169 | case Rd_lvalue32Rs: | |
2170 | case Rd_rvalue32Rs: | |
2171 | case Insn_GP: | |
2172 | case Insn_PIC: | |
b138abaa | 2173 | case Insn_internal: |
1c0d3aa6 NC |
2174 | retval = INSN_CLASS_32; |
2175 | break; | |
2176 | case Insn_Type_PCE: | |
2177 | retval = INSN_CLASS_PCE; | |
2178 | break; | |
2179 | case Insn_Type_SYN: | |
2180 | retval = INSN_CLASS_SYN; | |
2181 | break; | |
2182 | default: | |
2183 | abort (); | |
2184 | break; | |
2185 | } | |
2186 | return retval; | |
2187 | } | |
2188 | ||
2189 | static unsigned long | |
2190 | adjust_paritybit (unsigned long m_code, enum insn_class class) | |
2191 | { | |
2192 | unsigned long result = 0; | |
2193 | unsigned long m_code_high = 0; | |
2194 | unsigned long m_code_low = 0; | |
2195 | unsigned long pb_high = 0; | |
2196 | unsigned long pb_low = 0; | |
2197 | ||
2198 | if (class == INSN_CLASS_32) | |
2199 | { | |
2200 | pb_high = 0x80000000; | |
2201 | pb_low = 0x00008000; | |
2202 | } | |
2203 | else if (class == INSN_CLASS_16) | |
2204 | { | |
2205 | pb_high = 0; | |
2206 | pb_low = 0; | |
2207 | } | |
2208 | else if (class == INSN_CLASS_PCE) | |
2209 | { | |
2210 | pb_high = 0; | |
2211 | pb_low = 0x00008000; | |
2212 | } | |
2213 | else if (class == INSN_CLASS_SYN) | |
2214 | { | |
2215 | /* FIXME. at this time, INSN_CLASS_SYN must be 32 bit, but, instruction type should | |
2216 | be changed if macro instruction has been expanded. */ | |
2217 | pb_high = 0x80000000; | |
2218 | pb_low = 0x00008000; | |
2219 | } | |
2220 | else | |
2221 | { | |
2222 | abort (); | |
2223 | } | |
2224 | ||
2225 | m_code_high = m_code & 0x3fff8000; | |
2226 | m_code_low = m_code & 0x00007fff; | |
2227 | result = pb_high | (m_code_high << 1) | pb_low | m_code_low; | |
2228 | return result; | |
2229 | ||
2230 | } | |
2231 | ||
2232 | static void | |
2233 | gen_insn_frag (struct score_it *part_1, struct score_it *part_2) | |
2234 | { | |
2235 | char *p; | |
2236 | bfd_boolean pce_p = FALSE; | |
2237 | int relaxable_p = g_opt; | |
2238 | int relax_size = 0; | |
2239 | struct score_it *inst1 = part_1; | |
2240 | struct score_it *inst2 = part_2; | |
2241 | struct score_it backup_inst1; | |
2242 | ||
2243 | pce_p = (inst2) ? TRUE : FALSE; | |
2244 | memcpy (&backup_inst1, inst1, sizeof (struct score_it)); | |
2245 | ||
2246 | /* Adjust instruction opcode and to be relaxed instruction opcode. */ | |
2247 | if (pce_p) | |
2248 | { | |
2249 | backup_inst1.instruction = ((backup_inst1.instruction & 0x7FFF) << 15) | |
2250 | | (inst2->instruction & 0x7FFF); | |
2251 | backup_inst1.instruction = adjust_paritybit (backup_inst1.instruction, INSN_CLASS_PCE); | |
2252 | backup_inst1.relax_inst = 0x8000; | |
2253 | backup_inst1.size = INSN_SIZE; | |
2254 | backup_inst1.relax_size = 0; | |
2255 | backup_inst1.type = Insn_Type_PCE; | |
2256 | } | |
2257 | else | |
2258 | { | |
2259 | backup_inst1.instruction = adjust_paritybit (backup_inst1.instruction, | |
2260 | GET_INSN_CLASS (backup_inst1.type)); | |
2261 | } | |
2262 | ||
2263 | if (backup_inst1.relax_size != 0) | |
2264 | { | |
2265 | enum insn_class tmp; | |
2266 | ||
2267 | tmp = (backup_inst1.size == INSN_SIZE) ? INSN_CLASS_16 : INSN_CLASS_32; | |
2268 | backup_inst1.relax_inst = adjust_paritybit (backup_inst1.relax_inst, tmp); | |
2269 | } | |
2270 | ||
2271 | /* Check data dependency. */ | |
2272 | handle_dependency (&backup_inst1); | |
2273 | ||
2274 | /* Start a new frag if frag_now is not empty and is not instruction frag, maybe it contains | |
2275 | data produced by .ascii etc. Doing this is to make one instruction per frag. */ | |
2276 | if (frag_now_fix () != 0) | |
2277 | { | |
2278 | if (!frag_now->tc_frag_data.is_insn) | |
2279 | frag_wane (frag_now); | |
2280 | ||
2281 | frag_new (0); | |
2282 | } | |
2283 | ||
2284 | /* Here, we must call frag_grow in order to keep the instruction frag type is | |
2285 | rs_machine_dependent. | |
2286 | For, frag_var may change frag_now->fr_type to rs_fill by calling frag_grow which | |
2287 | acturally will call frag_wane. | |
2288 | Calling frag_grow first will create a new frag_now which free size is 20 that is enough | |
2289 | for frag_var. */ | |
2290 | frag_grow (20); | |
2291 | ||
2292 | p = frag_more (backup_inst1.size); | |
2293 | md_number_to_chars (p, backup_inst1.instruction, backup_inst1.size); | |
2294 | ||
2295 | #ifdef OBJ_ELF | |
2296 | dwarf2_emit_insn (backup_inst1.size); | |
2297 | #endif | |
2298 | ||
2299 | /* Generate fixup structure. */ | |
2300 | if (pce_p) | |
2301 | { | |
2302 | if (inst1->reloc.type != BFD_RELOC_NONE) | |
2303 | fix_new_score (frag_now, p - frag_now->fr_literal, | |
2304 | inst1->size, &inst1->reloc.exp, | |
2305 | inst1->reloc.pc_rel, inst1->reloc.type); | |
2306 | ||
2307 | if (inst2->reloc.type != BFD_RELOC_NONE) | |
2308 | fix_new_score (frag_now, p - frag_now->fr_literal + 2, | |
2309 | inst2->size, &inst2->reloc.exp, inst2->reloc.pc_rel, inst2->reloc.type); | |
2310 | } | |
2311 | else | |
2312 | { | |
2313 | if (backup_inst1.reloc.type != BFD_RELOC_NONE) | |
2314 | fix_new_score (frag_now, p - frag_now->fr_literal, | |
2315 | backup_inst1.size, &backup_inst1.reloc.exp, | |
2316 | backup_inst1.reloc.pc_rel, backup_inst1.reloc.type); | |
2317 | } | |
2318 | ||
2319 | /* relax_size may be 2, 4, 12 or 0, 0 indicates no relaxation. */ | |
2320 | relaxable_p &= (backup_inst1.relax_size != 0); | |
2321 | relax_size = relaxable_p ? backup_inst1.relax_size : 0; | |
2322 | ||
2323 | p = frag_var (rs_machine_dependent, relax_size + RELAX_PAD_BYTE, 0, | |
2324 | RELAX_ENCODE (backup_inst1.size, backup_inst1.relax_size, | |
2325 | backup_inst1.type, 0, 0, relaxable_p), | |
2326 | backup_inst1.reloc.exp.X_add_symbol, 0, NULL); | |
2327 | ||
2328 | if (relaxable_p) | |
2329 | md_number_to_chars (p, backup_inst1.relax_inst, relax_size); | |
2330 | ||
2331 | memcpy (inst1, &backup_inst1, sizeof (struct score_it)); | |
2332 | } | |
2333 | ||
2334 | static void | |
2335 | parse_16_32_inst (char *insnstr, bfd_boolean gen_frag_p) | |
2336 | { | |
2337 | char c; | |
2338 | char *p; | |
2339 | char *operator = insnstr; | |
2340 | const struct asm_opcode *opcode; | |
2341 | ||
2342 | /* Parse operator and operands. */ | |
2343 | skip_whitespace (operator); | |
2344 | ||
2345 | for (p = operator; *p != '\0'; p++) | |
2346 | if ((*p == ' ') || (*p == '!')) | |
2347 | break; | |
2348 | ||
2349 | if (*p == '!') | |
2350 | p++; | |
2351 | ||
2352 | c = *p; | |
2353 | *p = '\0'; | |
2354 | ||
2355 | opcode = (const struct asm_opcode *) hash_find (score_ops_hsh, operator); | |
2356 | *p = c; | |
2357 | ||
2358 | memset (&inst, '\0', sizeof (inst)); | |
2359 | sprintf (inst.str, "%s", insnstr); | |
2360 | if (opcode) | |
2361 | { | |
2362 | inst.instruction = opcode->value; | |
2363 | inst.relax_inst = opcode->relax_value; | |
2364 | inst.type = opcode->type; | |
2365 | inst.size = GET_INSN_SIZE (inst.type); | |
2366 | inst.relax_size = 0; | |
2367 | inst.bwarn = 0; | |
2368 | sprintf (inst.name, "%s", opcode->template); | |
2369 | strcpy (inst.reg, ""); | |
2370 | inst.error = NULL; | |
2371 | inst.reloc.type = BFD_RELOC_NONE; | |
2372 | ||
2373 | (*opcode->parms) (p); | |
2374 | ||
2375 | /* It indicates current instruction is a macro instruction if inst.bwarn equals -1. */ | |
2376 | if ((inst.bwarn != -1) && (!inst.error) && (gen_frag_p)) | |
2377 | gen_insn_frag (&inst, NULL); | |
2378 | } | |
2379 | else | |
2380 | inst.error = _("unrecognized opcode"); | |
2381 | } | |
2382 | ||
2383 | static int | |
2384 | append_insn (char *str, bfd_boolean gen_frag_p) | |
2385 | { | |
2386 | int retval = SUCCESS; | |
2387 | ||
2388 | parse_16_32_inst (str, gen_frag_p); | |
2389 | ||
2390 | if (inst.error) | |
2391 | { | |
2392 | retval = (int) FAIL; | |
2393 | as_bad ("%s -- `%s'", inst.error, inst.str); | |
2394 | inst.error = NULL; | |
2395 | } | |
2396 | ||
2397 | return retval; | |
2398 | } | |
2399 | ||
2400 | /* Handle mv! reg_high, reg_low; | |
2401 | mv! reg_low, reg_high; | |
2402 | mv! reg_low, reg_low; */ | |
2403 | static void | |
2404 | do16_mv_rdrs (char *str) | |
2405 | { | |
2406 | int reg_rd; | |
2407 | int reg_rs; | |
2408 | char *backupstr = NULL; | |
2409 | ||
2410 | backupstr = str; | |
2411 | skip_whitespace (str); | |
2412 | ||
2413 | if ((reg_rd = reg_required_here (&str, 8, REG_TYPE_SCORE)) == (int) FAIL | |
2414 | || skip_past_comma (&str) == (int) FAIL | |
2415 | || (reg_rs = reg_required_here (&str, 4, REG_TYPE_SCORE)) == (int) FAIL | |
2416 | || end_of_line (str) == (int) FAIL) | |
2417 | { | |
2418 | return; | |
2419 | } | |
2420 | else | |
2421 | { | |
2422 | /* Case 1 : mv! or mlfh!. */ | |
2423 | if (reg_rd < 16) | |
2424 | { | |
2425 | if (reg_rs < 16) | |
2426 | { | |
2427 | inst.relax_inst |= (((inst.instruction >> 8) & 0xf) << 20) | |
2428 | | (((inst.instruction >> 4) & 0xf) << 15) | (0xf << 10); | |
2429 | inst.relax_size = 4; | |
2430 | } | |
2431 | else | |
2432 | { | |
2433 | char append_str[MAX_LITERAL_POOL_SIZE]; | |
2434 | ||
2435 | sprintf (append_str, "mlfh! %s", backupstr); | |
2436 | if (append_insn (append_str, TRUE) == (int) FAIL) | |
2437 | return; | |
2438 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ | |
2439 | inst.bwarn = -1; | |
2440 | } | |
2441 | } | |
2442 | /* Case 2 : mhfl!. */ | |
2443 | else | |
2444 | { | |
2445 | if (reg_rs > 16) | |
2446 | { | |
2447 | SET_INSN_ERROR (BAD_ARGS); | |
2448 | return; | |
2449 | } | |
2450 | else | |
2451 | { | |
2452 | char append_str[MAX_LITERAL_POOL_SIZE]; | |
2453 | ||
2454 | sprintf (append_str, "mhfl! %s", backupstr); | |
2455 | if (append_insn (append_str, TRUE) == (int) FAIL) | |
2456 | return; | |
2457 | ||
2458 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ | |
2459 | inst.bwarn = -1; | |
2460 | } | |
2461 | } | |
2462 | } | |
2463 | } | |
2464 | ||
2465 | static void | |
2466 | do16_rdi4 (char *str) | |
2467 | { | |
2468 | skip_whitespace (str); | |
2469 | ||
2470 | if (reglow_required_here (&str, 8) == (int) FAIL | |
2471 | || skip_past_comma (&str) == (int) FAIL | |
2472 | || data_op2 (&str, 3, _IMM4) == (int) FAIL | |
2473 | || end_of_line (str) == (int) FAIL) | |
2474 | { | |
2475 | return; | |
2476 | } | |
2477 | else | |
2478 | { | |
2479 | if (((inst.instruction >> 3) & 0x10) == 0) /* for judge is addei or subei : bit 5 =0 : addei */ | |
2480 | { | |
2481 | if (((inst.instruction >> 3) & 0xf) != 0xf) | |
2482 | { | |
2483 | inst.relax_inst |= (((inst.instruction >> 8) & 0xf) << 20) | |
2484 | | ((1 << ((inst.instruction >> 3) & 0xf)) << 1); | |
2485 | inst.relax_size = 4; | |
2486 | } | |
2487 | else | |
2488 | { | |
2489 | inst.relax_inst = 0x8000; | |
2490 | } | |
2491 | } | |
2492 | else | |
2493 | { | |
2494 | if (((inst.instruction >> 3) & 0xf) != 0xf) | |
2495 | { | |
2496 | inst.relax_inst |= (((inst.instruction >> 8) & 0xf) << 20) | |
2497 | | (((-(1 << ((inst.instruction >> 3) & 0xf))) & 0xffff) << 1); | |
2498 | inst.relax_size = 4; | |
2499 | } | |
2500 | else | |
2501 | { | |
2502 | inst.relax_inst = 0x8000; | |
2503 | } | |
2504 | } | |
2505 | } | |
2506 | } | |
2507 | ||
2508 | static void | |
2509 | do16_rdi5 (char *str) | |
2510 | { | |
2511 | skip_whitespace (str); | |
2512 | ||
2513 | if (reglow_required_here (&str, 8) == (int) FAIL | |
2514 | || skip_past_comma (&str) == (int) FAIL | |
2515 | || data_op2 (&str, 3, _IMM5) == (int) FAIL | |
2516 | || end_of_line (str) == (int) FAIL) | |
2517 | return; | |
2518 | else | |
2519 | { | |
2520 | inst.relax_inst |= (((inst.instruction >> 8) & 0xf) << 20) | |
2521 | | (((inst.instruction >> 8) & 0xf) << 15) | (((inst.instruction >> 3) & 0x1f) << 10); | |
2522 | inst.relax_size = 4; | |
2523 | } | |
2524 | } | |
2525 | ||
2526 | /* Handle sdbbp. */ | |
2527 | static void | |
2528 | do16_xi5 (char *str) | |
2529 | { | |
2530 | skip_whitespace (str); | |
2531 | ||
2532 | if (data_op2 (&str, 3, _IMM5) == (int) FAIL || end_of_line (str) == (int) FAIL) | |
2533 | return; | |
2534 | else | |
2535 | { | |
2536 | inst.relax_inst |= (((inst.instruction >> 3) & 0x1f) << 15); | |
2537 | inst.relax_size = 4; | |
2538 | } | |
2539 | } | |
2540 | ||
2541 | /* Check that an immediate is word alignment or half word alignment. | |
2542 | If so, convert it to the right format. */ | |
2543 | static int | |
2544 | validate_immediate_align (int val, unsigned int data_type) | |
2545 | { | |
2546 | if (data_type == _IMM5_RSHIFT_1) | |
2547 | { | |
2548 | if (val % 2) | |
2549 | { | |
2550 | inst.error = _("address offset must be half word alignment"); | |
2551 | return (int) FAIL; | |
2552 | } | |
2553 | } | |
2554 | else if ((data_type == _IMM5_RSHIFT_2) || (data_type == _IMM10_RSHIFT_2)) | |
2555 | { | |
2556 | if (val % 4) | |
2557 | { | |
2558 | inst.error = _("address offset must be word alignment"); | |
2559 | return (int) FAIL; | |
2560 | } | |
2561 | } | |
2562 | ||
2563 | return SUCCESS; | |
2564 | } | |
2565 | ||
2566 | static int | |
2567 | exp_ldst_offset (char **str, int shift, unsigned int data_type) | |
2568 | { | |
2569 | char *dataptr; | |
2570 | ||
2571 | dataptr = * str; | |
2572 | ||
2573 | if ((*dataptr == '0') && (*(dataptr + 1) == 'x') | |
2574 | && (data_type != _SIMM16_LA) | |
2575 | && (data_type != _VALUE_HI16) | |
2576 | && (data_type != _VALUE_LO16) | |
2577 | && (data_type != _IMM16) | |
2578 | && (data_type != _IMM15) | |
2579 | && (data_type != _IMM14) | |
2580 | && (data_type != _IMM4) | |
2581 | && (data_type != _IMM5) | |
2582 | && (data_type != _IMM8) | |
2583 | && (data_type != _IMM5_RSHIFT_1) | |
2584 | && (data_type != _IMM5_RSHIFT_2) | |
2585 | && (data_type != _SIMM14_NEG) | |
2586 | && (data_type != _IMM10_RSHIFT_2)) | |
2587 | { | |
2588 | data_type += 24; | |
2589 | } | |
2590 | ||
2591 | if (my_get_expression (&inst.reloc.exp, str) == (int) FAIL) | |
2592 | return (int) FAIL; | |
2593 | ||
2594 | if (inst.reloc.exp.X_op == O_constant) | |
2595 | { | |
2596 | /* Need to check the immediate align. */ | |
2597 | int value = validate_immediate_align (inst.reloc.exp.X_add_number, data_type); | |
2598 | ||
2599 | if (value == (int) FAIL) | |
2600 | return (int) FAIL; | |
2601 | ||
2602 | value = validate_immediate (inst.reloc.exp.X_add_number, data_type); | |
2603 | if (value == (int) FAIL) | |
2604 | { | |
2605 | char err_msg[255]; | |
2606 | ||
2607 | if (data_type < 30) | |
2608 | sprintf (err_msg, | |
2609 | "invalid constant: %d bit expression not in range %d..%d", | |
2610 | score_df_range[data_type].bits, | |
2611 | score_df_range[data_type].range[0], score_df_range[data_type].range[1]); | |
2612 | else | |
2613 | sprintf (err_msg, | |
2614 | "invalid constant: %d bit expression not in range %d..%d", | |
2615 | score_df_range[data_type - 24].bits, | |
2616 | score_df_range[data_type - 24].range[0], score_df_range[data_type - 24].range[1]); | |
2617 | inst.error = _(err_msg); | |
2618 | return (int) FAIL; | |
2619 | } | |
2620 | ||
2621 | if (data_type == _IMM5_RSHIFT_1) | |
2622 | { | |
2623 | value >>= 1; | |
2624 | } | |
2625 | else if ((data_type == _IMM5_RSHIFT_2) || (data_type == _IMM10_RSHIFT_2)) | |
2626 | { | |
2627 | value >>= 2; | |
2628 | } | |
2629 | ||
2630 | if (score_df_range[data_type].range[0] != 0) | |
2631 | { | |
2632 | value &= (1 << score_df_range[data_type].bits) - 1; | |
2633 | } | |
2634 | ||
2635 | inst.instruction |= value << shift; | |
2636 | } | |
2637 | else | |
2638 | { | |
2639 | inst.reloc.pc_rel = 0; | |
2640 | } | |
2641 | ||
2642 | return SUCCESS; | |
2643 | } | |
2644 | ||
2645 | static void | |
2646 | do_ldst_insn (char *str) | |
2647 | { | |
2648 | int pre_inc = 0; | |
2649 | int conflict_reg; | |
2650 | int value; | |
2651 | char * temp; | |
2652 | char *strbak; | |
2653 | char *dataptr; | |
2654 | int reg; | |
2655 | int ldst_idx = 0; | |
2656 | ||
2657 | strbak = str; | |
2658 | skip_whitespace (str); | |
2659 | ||
2660 | if (((conflict_reg = reg_required_here (&str, 20, REG_TYPE_SCORE)) == (int) FAIL) | |
2661 | || (skip_past_comma (&str) == (int) FAIL)) | |
2662 | return; | |
2663 | ||
2664 | /* ld/sw rD, [rA, simm15] ld/sw rD, [rA]+, simm12 ld/sw rD, [rA, simm12]+. */ | |
2665 | if (*str == '[') | |
2666 | { | |
2667 | str++; | |
2668 | skip_whitespace (str); | |
2669 | ||
2670 | if ((reg = reg_required_here (&str, 15, REG_TYPE_SCORE)) == (int) FAIL) | |
2671 | return; | |
2672 | ||
2673 | /* Conflicts can occur on stores as well as loads. */ | |
2674 | conflict_reg = (conflict_reg == reg); | |
2675 | skip_whitespace (str); | |
2676 | temp = str + 1; /* The latter will process decimal/hex expression. */ | |
2677 | ||
2678 | /* ld/sw rD, [rA]+, simm12 ld/sw rD, [rA]+. */ | |
2679 | if (*str == ']') | |
2680 | { | |
2681 | str++; | |
2682 | if (*str == '+') | |
2683 | { | |
2684 | str++; | |
2685 | /* ld/sw rD, [rA]+, simm12. */ | |
2686 | if (skip_past_comma (&str) == SUCCESS) | |
2687 | { | |
2688 | if ((exp_ldst_offset (&str, 3, _SIMM12) == (int) FAIL) | |
2689 | || (end_of_line (str) == (int) FAIL)) | |
2690 | return; | |
2691 | ||
2692 | if (conflict_reg) | |
2693 | { | |
2694 | unsigned int ldst_func = inst.instruction & OPC_PSEUDOLDST_MASK; | |
2695 | ||
2696 | if ((ldst_func == INSN_LH) | |
2697 | || (ldst_func == INSN_LHU) | |
2698 | || (ldst_func == INSN_LW) | |
2699 | || (ldst_func == INSN_LB) | |
2700 | || (ldst_func == INSN_LBU)) | |
2701 | { | |
2702 | inst.error = _("register same as write-back base"); | |
2703 | return; | |
2704 | } | |
2705 | } | |
2706 | ||
2707 | ldst_idx = inst.instruction & OPC_PSEUDOLDST_MASK; | |
2708 | inst.instruction &= ~OPC_PSEUDOLDST_MASK; | |
2709 | inst.instruction |= score_ldst_insns[ldst_idx * 3 + LDST_POST].value; | |
2710 | ||
2711 | /* lw rD, [rA]+, 4 convert to pop rD, [rA]. */ | |
2712 | if ((inst.instruction & 0x3e000007) == 0x0e000000) | |
2713 | { | |
2714 | /* rs = r0-r7, offset = 4 */ | |
2715 | if ((((inst.instruction >> 15) & 0x18) == 0) | |
2716 | && (((inst.instruction >> 3) & 0xfff) == 4)) | |
2717 | { | |
2718 | /* Relax to pophi. */ | |
2719 | if ((((inst.instruction >> 20) & 0x10) == 0x10)) | |
2720 | { | |
2721 | inst.relax_inst = 0x0000200a | (((inst.instruction >> 20) & 0xf) | |
2722 | << 8) | 1 << 7 | | |
2723 | (((inst.instruction >> 15) & 0x7) << 4); | |
2724 | } | |
2725 | /* Relax to pop. */ | |
2726 | else | |
2727 | { | |
2728 | inst.relax_inst = 0x0000200a | (((inst.instruction >> 20) & 0xf) | |
2729 | << 8) | 0 << 7 | | |
2730 | (((inst.instruction >> 15) & 0x7) << 4); | |
2731 | } | |
2732 | inst.relax_size = 2; | |
2733 | } | |
2734 | } | |
2735 | return; | |
2736 | } | |
2737 | /* ld/sw rD, [rA]+ convert to ld/sw rD, [rA, 0]+. */ | |
2738 | else | |
2739 | { | |
2740 | SET_INSN_ERROR (NULL); | |
2741 | if (end_of_line (str) == (int) FAIL) | |
2742 | { | |
2743 | return; | |
2744 | } | |
2745 | ||
2746 | pre_inc = 1; | |
2747 | value = validate_immediate (inst.reloc.exp.X_add_number, _SIMM12); | |
2748 | value &= (1 << score_df_range[_SIMM12].bits) - 1; | |
2749 | ldst_idx = inst.instruction & OPC_PSEUDOLDST_MASK; | |
2750 | inst.instruction &= ~OPC_PSEUDOLDST_MASK; | |
2751 | inst.instruction |= score_ldst_insns[ldst_idx * 3 + pre_inc].value; | |
2752 | inst.instruction |= value << 3; | |
2753 | inst.relax_inst = 0x8000; | |
2754 | return; | |
2755 | } | |
2756 | } | |
2757 | /* ld/sw rD, [rA] convert to ld/sw rD, [rA, simm15]. */ | |
2758 | else | |
2759 | { | |
2760 | if (end_of_line (str) == (int) FAIL) | |
2761 | return; | |
2762 | ||
2763 | ldst_idx = inst.instruction & OPC_PSEUDOLDST_MASK; | |
2764 | inst.instruction &= ~OPC_PSEUDOLDST_MASK; | |
2765 | inst.instruction |= score_ldst_insns[ldst_idx * 3 + LDST_NOUPDATE].value; | |
2766 | ||
2767 | /* lbu rd, [rs] -> lbu! rd, [rs] */ | |
2768 | if (ldst_idx == INSN_LBU) | |
2769 | { | |
2770 | inst.relax_inst = INSN16_LBU; | |
2771 | } | |
2772 | else if (ldst_idx == INSN_LH) | |
2773 | { | |
2774 | inst.relax_inst = INSN16_LH; | |
2775 | } | |
2776 | else if (ldst_idx == INSN_LW) | |
2777 | { | |
2778 | inst.relax_inst = INSN16_LW; | |
2779 | } | |
2780 | else if (ldst_idx == INSN_SB) | |
2781 | { | |
2782 | inst.relax_inst = INSN16_SB; | |
2783 | } | |
2784 | else if (ldst_idx == INSN_SH) | |
2785 | { | |
2786 | inst.relax_inst = INSN16_SH; | |
2787 | } | |
2788 | else if (ldst_idx == INSN_SW) | |
2789 | { | |
2790 | inst.relax_inst = INSN16_SW; | |
2791 | } | |
2792 | else | |
2793 | { | |
2794 | inst.relax_inst = 0x8000; | |
2795 | } | |
2796 | ||
2797 | /* lw/lh/lbu/sw/sh/sb, offset = 0, relax to 16 bit instruction. */ | |
2798 | if ((ldst_idx == INSN_LBU) | |
2799 | || (ldst_idx == INSN_LH) | |
2800 | || (ldst_idx == INSN_LW) | |
2801 | || (ldst_idx == INSN_SB) || (ldst_idx == INSN_SH) || (ldst_idx == INSN_SW)) | |
2802 | { | |
2803 | if ((((inst.instruction >> 15) & 0x10) == 0) && (((inst.instruction >> 20) & 0x10) == 0)) | |
2804 | { | |
2805 | inst.relax_inst |= (2 << 12) | (((inst.instruction >> 20) & 0xf) << 8) | | |
2806 | (((inst.instruction >> 15) & 0xf) << 4); | |
2807 | inst.relax_size = 2; | |
2808 | } | |
2809 | } | |
2810 | ||
2811 | return; | |
2812 | } | |
2813 | } | |
2814 | /* ld/sw rD, [rA, simm15] ld/sw rD, [rA, simm12]+. */ | |
2815 | else | |
2816 | { | |
2817 | if (skip_past_comma (&str) == (int) FAIL) | |
2818 | { | |
2819 | inst.error = _("pre-indexed expression expected"); | |
2820 | return; | |
2821 | } | |
2822 | ||
2823 | if (my_get_expression (&inst.reloc.exp, &str) == (int) FAIL) | |
2824 | return; | |
2825 | ||
2826 | skip_whitespace (str); | |
2827 | if (*str++ != ']') | |
2828 | { | |
2829 | inst.error = _("missing ]"); | |
2830 | return; | |
2831 | } | |
2832 | ||
2833 | skip_whitespace (str); | |
2834 | /* ld/sw rD, [rA, simm12]+. */ | |
2835 | if (*str == '+') | |
2836 | { | |
2837 | str++; | |
2838 | pre_inc = 1; | |
2839 | if (conflict_reg) | |
2840 | { | |
2841 | unsigned int ldst_func = inst.instruction & OPC_PSEUDOLDST_MASK; | |
2842 | ||
2843 | if ((ldst_func == INSN_LH) | |
2844 | || (ldst_func == INSN_LHU) | |
2845 | || (ldst_func == INSN_LW) | |
2846 | || (ldst_func == INSN_LB) | |
2847 | || (ldst_func == INSN_LBU)) | |
2848 | { | |
2849 | inst.error = _("register same as write-back base"); | |
2850 | return; | |
2851 | } | |
2852 | } | |
2853 | } | |
2854 | ||
2855 | if (end_of_line (str) == (int) FAIL) | |
2856 | return; | |
2857 | ||
2858 | if (inst.reloc.exp.X_op == O_constant) | |
2859 | { | |
2860 | int value; | |
2861 | unsigned int data_type; | |
2862 | ||
2863 | if (pre_inc == 1) | |
2864 | data_type = _SIMM12; | |
2865 | else | |
2866 | data_type = _SIMM15; | |
2867 | dataptr = temp; | |
2868 | ||
2869 | if ((*dataptr == '0') && (*(dataptr + 1) == 'x') | |
2870 | && (data_type != _SIMM16_LA) | |
2871 | && (data_type != _VALUE_HI16) | |
2872 | && (data_type != _VALUE_LO16) | |
2873 | && (data_type != _IMM16) | |
2874 | && (data_type != _IMM15) | |
2875 | && (data_type != _IMM14) | |
2876 | && (data_type != _IMM4) | |
2877 | && (data_type != _IMM5) | |
2878 | && (data_type != _IMM8) | |
2879 | && (data_type != _IMM5_RSHIFT_1) | |
2880 | && (data_type != _IMM5_RSHIFT_2) | |
2881 | && (data_type != _SIMM14_NEG) | |
2882 | && (data_type != _IMM10_RSHIFT_2)) | |
2883 | { | |
2884 | data_type += 24; | |
2885 | } | |
2886 | ||
2887 | value = validate_immediate (inst.reloc.exp.X_add_number, data_type); | |
2888 | if (value == (int) FAIL) | |
2889 | { | |
2890 | char err_msg[255]; | |
2891 | ||
b138abaa | 2892 | if (data_type < 30) |
1c0d3aa6 NC |
2893 | sprintf (err_msg, |
2894 | "invalid constant: %d bit expression not in range %d..%d", | |
2895 | score_df_range[data_type].bits, | |
2896 | score_df_range[data_type].range[0], score_df_range[data_type].range[1]); | |
2897 | else | |
2898 | sprintf (err_msg, | |
2899 | "invalid constant: %d bit expression not in range %d..%d", | |
b138abaa NC |
2900 | score_df_range[data_type - 24].bits, |
2901 | score_df_range[data_type - 24].range[0], | |
2902 | score_df_range[data_type - 24].range[1]); | |
1c0d3aa6 NC |
2903 | inst.error = _(err_msg); |
2904 | return; | |
2905 | } | |
2906 | ||
2907 | value &= (1 << score_df_range[data_type].bits) - 1; | |
2908 | ldst_idx = inst.instruction & OPC_PSEUDOLDST_MASK; | |
2909 | inst.instruction &= ~OPC_PSEUDOLDST_MASK; | |
2910 | inst.instruction |= score_ldst_insns[ldst_idx * 3 + pre_inc].value; | |
2911 | if (pre_inc == 1) | |
2912 | inst.instruction |= value << 3; | |
2913 | else | |
2914 | inst.instruction |= value; | |
2915 | ||
2916 | /* lw rD, [rA, simm15] */ | |
2917 | if ((inst.instruction & 0x3e000000) == 0x20000000) | |
2918 | { | |
2919 | /* Both rD and rA are in [r0 - r15]. */ | |
2920 | if ((((inst.instruction >> 15) & 0x10) == 0) | |
2921 | && (((inst.instruction >> 20) & 0x10) == 0)) | |
2922 | { | |
2923 | /* simm15 = 0, lw -> lw!. */ | |
2924 | if ((inst.instruction & 0x7fff) == 0) | |
2925 | { | |
2926 | inst.relax_inst |= (((inst.instruction >> 15) & 0xf) << 4) | |
2927 | | (((inst.instruction >> 20) & 0xf) << 8); | |
2928 | inst.relax_size = 2; | |
2929 | } | |
2930 | /* rA = r2, lw -> lwp!. */ | |
2931 | else if ((((inst.instruction >> 15) & 0xf) == 2) | |
2932 | && ((inst.instruction & 0x3) == 0) | |
2933 | && ((inst.instruction & 0x7fff) < 128)) | |
2934 | { | |
2935 | inst.relax_inst = 0x7000 | (((inst.instruction >> 20) & 0xf) << 8) | |
2936 | | (((inst.instruction & 0x7fff) >> 2) << 3); | |
2937 | inst.relax_size = 2; | |
2938 | } | |
2939 | else | |
2940 | { | |
2941 | inst.relax_inst = 0x8000; | |
2942 | } | |
2943 | } | |
2944 | else | |
2945 | { | |
2946 | inst.relax_inst = 0x8000; | |
2947 | } | |
2948 | } | |
2949 | /* sw rD, [rA, simm15] */ | |
2950 | else if ((inst.instruction & 0x3e000000) == 0x28000000) | |
2951 | { | |
2952 | /* Both rD and rA are in [r0 - r15]. */ | |
2953 | if ((((inst.instruction >> 15) & 0x10) == 0) && (((inst.instruction >> 20) & 0x10) == 0)) | |
2954 | { | |
2955 | /* simm15 = 0, sw -> sw!. */ | |
2956 | if ((inst.instruction & 0x7fff) == 0) | |
2957 | { | |
2958 | inst.relax_inst |= (((inst.instruction >> 15) & 0xf) << 4) | |
2959 | | (((inst.instruction >> 20) & 0xf) << 8); | |
2960 | inst.relax_size = 2; | |
2961 | } | |
2962 | /* rA = r2, sw -> swp!. */ | |
2963 | else if ((((inst.instruction >> 15) & 0xf) == 2) | |
2964 | && ((inst.instruction & 0x3) == 0) | |
2965 | && ((inst.instruction & 0x7fff) < 128)) | |
2966 | { | |
2967 | inst.relax_inst = 0x7004 | (((inst.instruction >> 20) & 0xf) << 8) | |
2968 | | (((inst.instruction & 0x7fff) >> 2) << 3); | |
2969 | inst.relax_size = 2; | |
2970 | } | |
2971 | else | |
2972 | { | |
2973 | inst.relax_inst = 0x8000; | |
2974 | } | |
2975 | } | |
2976 | else | |
2977 | { | |
2978 | inst.relax_inst = 0x8000; | |
2979 | } | |
2980 | } | |
2981 | /* sw rD, [rA, simm15]+ sw pre. */ | |
2982 | else if ((inst.instruction & 0x3e000007) == 0x06000004) | |
2983 | { | |
2984 | /* rA is in [r0 - r7], and simm15 = -4. */ | |
2985 | if ((((inst.instruction >> 15) & 0x18) == 0) | |
2986 | && (((inst.instruction >> 3) & 0xfff) == 0xffc)) | |
2987 | { | |
2988 | /* sw -> pushhi!. */ | |
2989 | if ((((inst.instruction >> 20) & 0x10) == 0x10)) | |
2990 | { | |
2991 | inst.relax_inst = 0x0000200e | (((inst.instruction >> 20) & 0xf) << 8) | |
2992 | | 1 << 7 | (((inst.instruction >> 15) & 0x7) << 4); | |
2993 | inst.relax_size = 2; | |
2994 | } | |
2995 | /* sw -> push!. */ | |
2996 | else | |
2997 | { | |
2998 | inst.relax_inst = 0x0000200e | (((inst.instruction >> 20) & 0xf) << 8) | |
2999 | | 0 << 7 | (((inst.instruction >> 15) & 0x7) << 4); | |
3000 | inst.relax_size = 2; | |
3001 | } | |
3002 | } | |
3003 | else | |
3004 | { | |
3005 | inst.relax_inst = 0x8000; | |
3006 | } | |
3007 | } | |
3008 | /* lh rD, [rA, simm15] */ | |
3009 | else if ((inst.instruction & 0x3e000000) == 0x22000000) | |
3010 | { | |
3011 | /* Both rD and rA are in [r0 - r15]. */ | |
3012 | if ((((inst.instruction >> 15) & 0x10) == 0) && (((inst.instruction >> 20) & 0x10) == 0)) | |
3013 | { | |
3014 | /* simm15 = 0, lh -> lh!. */ | |
3015 | if ((inst.instruction & 0x7fff) == 0) | |
3016 | { | |
3017 | inst.relax_inst |= (((inst.instruction >> 15) & 0xf) << 4) | |
3018 | | (((inst.instruction >> 20) & 0xf) << 8); | |
3019 | inst.relax_size = 2; | |
3020 | } | |
3021 | /* rA = r2, lh -> lhp!. */ | |
3022 | else if ((((inst.instruction >> 15) & 0xf) == 2) | |
3023 | && ((inst.instruction & 0x1) == 0) | |
3024 | && ((inst.instruction & 0x7fff) < 64)) | |
3025 | { | |
3026 | inst.relax_inst = 0x7001 | (((inst.instruction >> 20) & 0xf) << 8) | |
3027 | | (((inst.instruction & 0x7fff) >> 1) << 3); | |
3028 | inst.relax_size = 2; | |
3029 | } | |
3030 | else | |
3031 | { | |
3032 | inst.relax_inst = 0x8000; | |
3033 | } | |
3034 | } | |
3035 | else | |
3036 | { | |
3037 | inst.relax_inst = 0x8000; | |
3038 | } | |
3039 | } | |
3040 | /* sh rD, [rA, simm15] */ | |
3041 | else if ((inst.instruction & 0x3e000000) == 0x2a000000) | |
3042 | { | |
3043 | /* Both rD and rA are in [r0 - r15]. */ | |
3044 | if ((((inst.instruction >> 15) & 0x10) == 0) && (((inst.instruction >> 20) & 0x10) == 0)) | |
3045 | { | |
3046 | /* simm15 = 0, sh -> sh!. */ | |
3047 | if ((inst.instruction & 0x7fff) == 0) | |
3048 | { | |
3049 | inst.relax_inst |= (((inst.instruction >> 15) & 0xf) << 4) | |
3050 | | (((inst.instruction >> 20) & 0xf) << 8); | |
3051 | inst.relax_size = 2; | |
3052 | } | |
3053 | /* rA = r2, sh -> shp!. */ | |
3054 | else if ((((inst.instruction >> 15) & 0xf) == 2) | |
3055 | && ((inst.instruction & 0x1) == 0) | |
3056 | && ((inst.instruction & 0x7fff) < 64)) | |
3057 | { | |
3058 | inst.relax_inst = 0x7005 | (((inst.instruction >> 20) & 0xf) << 8) | |
3059 | | (((inst.instruction & 0x7fff) >> 1) << 3); | |
3060 | inst.relax_size = 2; | |
3061 | } | |
3062 | else | |
3063 | { | |
3064 | inst.relax_inst = 0x8000; | |
3065 | } | |
3066 | } | |
3067 | else | |
3068 | { | |
3069 | inst.relax_inst = 0x8000; | |
3070 | } | |
3071 | } | |
3072 | /* lbu rD, [rA, simm15] */ | |
3073 | else if ((inst.instruction & 0x3e000000) == 0x2c000000) | |
3074 | { | |
3075 | /* Both rD and rA are in [r0 - r15]. */ | |
3076 | if ((((inst.instruction >> 15) & 0x10) == 0) && (((inst.instruction >> 20) & 0x10) == 0)) | |
3077 | { | |
3078 | /* simm15 = 0, lbu -> lbu!. */ | |
3079 | if ((inst.instruction & 0x7fff) == 0) | |
3080 | { | |
3081 | inst.relax_inst |= (((inst.instruction >> 15) & 0xf) << 4) | |
3082 | | (((inst.instruction >> 20) & 0xf) << 8); | |
3083 | inst.relax_size = 2; | |
3084 | } | |
3085 | /* rA = r2, lbu -> lbup!. */ | |
3086 | else if ((((inst.instruction >> 15) & 0xf) == 2) | |
3087 | && ((inst.instruction & 0x7fff) < 32)) | |
3088 | { | |
3089 | inst.relax_inst = 0x7003 | (((inst.instruction >> 20) & 0xf) << 8) | |
3090 | | ((inst.instruction & 0x7fff) << 3); | |
3091 | inst.relax_size = 2; | |
3092 | } | |
3093 | else | |
3094 | { | |
3095 | inst.relax_inst = 0x8000; | |
3096 | } | |
3097 | } | |
3098 | else | |
3099 | { | |
3100 | inst.relax_inst = 0x8000; | |
3101 | } | |
3102 | } | |
3103 | /* sb rD, [rA, simm15] */ | |
3104 | else if ((inst.instruction & 0x3e000000) == 0x2e000000) | |
3105 | { | |
3106 | /* Both rD and rA are in [r0 - r15]. */ | |
3107 | if ((((inst.instruction >> 15) & 0x10) == 0) && (((inst.instruction >> 20) & 0x10) == 0)) | |
3108 | { | |
3109 | /* simm15 = 0, sb -> sb!. */ | |
3110 | if ((inst.instruction & 0x7fff) == 0) | |
3111 | { | |
3112 | inst.relax_inst |= (((inst.instruction >> 15) & 0xf) << 4) | |
3113 | | (((inst.instruction >> 20) & 0xf) << 8); | |
3114 | inst.relax_size = 2; | |
3115 | } | |
3116 | /* rA = r2, sb -> sb!. */ | |
3117 | else if ((((inst.instruction >> 15) & 0xf) == 2) | |
3118 | && ((inst.instruction & 0x7fff) < 32)) | |
3119 | { | |
3120 | inst.relax_inst = 0x7007 | (((inst.instruction >> 20) & 0xf) << 8) | |
3121 | | ((inst.instruction & 0x7fff) << 3); | |
3122 | inst.relax_size = 2; | |
3123 | } | |
3124 | else | |
3125 | { | |
3126 | inst.relax_inst = 0x8000; | |
3127 | } | |
3128 | } | |
3129 | else | |
3130 | { | |
3131 | inst.relax_inst = 0x8000; | |
3132 | } | |
3133 | } | |
3134 | else | |
3135 | { | |
3136 | inst.relax_inst = 0x8000; | |
3137 | } | |
3138 | ||
3139 | return; | |
3140 | } | |
3141 | else | |
3142 | { | |
3143 | /* FIXME: may set error, for there is no ld/sw rD, [rA, label] */ | |
3144 | inst.reloc.pc_rel = 0; | |
3145 | } | |
3146 | } | |
3147 | } | |
3148 | else | |
3149 | { | |
3150 | inst.error = BAD_ARGS; | |
3151 | } | |
3152 | } | |
3153 | ||
3154 | /* Handle cache. */ | |
3155 | ||
3156 | static void | |
3157 | do_cache (char *str) | |
3158 | { | |
3159 | skip_whitespace (str); | |
3160 | ||
3161 | if ((data_op2 (&str, 20, _IMM5) == (int) FAIL) || (skip_past_comma (&str) == (int) FAIL)) | |
3162 | { | |
3163 | return; | |
3164 | } | |
3165 | else | |
3166 | { | |
3167 | int cache_op; | |
3168 | ||
3169 | cache_op = (inst.instruction >> 20) & 0x1F; | |
3170 | sprintf (inst.name, "cache %d", cache_op); | |
3171 | } | |
3172 | ||
3173 | if (*str == '[') | |
3174 | { | |
3175 | str++; | |
3176 | skip_whitespace (str); | |
3177 | ||
3178 | if (reg_required_here (&str, 15, REG_TYPE_SCORE) == (int) FAIL) | |
3179 | return; | |
3180 | ||
3181 | skip_whitespace (str); | |
3182 | ||
3183 | /* cache op, [rA] */ | |
3184 | if (skip_past_comma (&str) == (int) FAIL) | |
3185 | { | |
3186 | SET_INSN_ERROR (NULL); | |
3187 | if (*str != ']') | |
3188 | { | |
3189 | inst.error = _("missing ]"); | |
3190 | return; | |
3191 | } | |
3192 | str++; | |
3193 | } | |
3194 | /* cache op, [rA, simm15] */ | |
3195 | else | |
3196 | { | |
3197 | if (exp_ldst_offset (&str, 0, _SIMM15) == (int) FAIL) | |
3198 | { | |
3199 | return; | |
3200 | } | |
3201 | ||
3202 | skip_whitespace (str); | |
3203 | if (*str++ != ']') | |
3204 | { | |
3205 | inst.error = _("missing ]"); | |
3206 | return; | |
3207 | } | |
3208 | } | |
3209 | ||
3210 | if (end_of_line (str) == (int) FAIL) | |
3211 | return; | |
3212 | } | |
3213 | else | |
3214 | { | |
3215 | inst.error = BAD_ARGS; | |
3216 | } | |
3217 | } | |
3218 | ||
3219 | static void | |
3220 | do_crdcrscrsimm5 (char *str) | |
3221 | { | |
3222 | char *strbak; | |
3223 | ||
3224 | strbak = str; | |
3225 | skip_whitespace (str); | |
3226 | ||
3227 | if (reg_required_here (&str, 20, REG_TYPE_SCORE_CR) == (int) FAIL | |
3228 | || skip_past_comma (&str) == (int) FAIL | |
3229 | || reg_required_here (&str, 15, REG_TYPE_SCORE_CR) == (int) FAIL | |
3230 | || skip_past_comma (&str) == (int) FAIL | |
3231 | || reg_required_here (&str, 10, REG_TYPE_SCORE_CR) == (int) FAIL | |
3232 | || skip_past_comma (&str) == (int) FAIL) | |
3233 | { | |
3234 | str = strbak; | |
3235 | /* cop1 cop_code20. */ | |
3236 | if (data_op2 (&str, 5, _IMM20) == (int) FAIL) | |
3237 | return; | |
3238 | } | |
3239 | else | |
3240 | { | |
3241 | if (data_op2 (&str, 5, _IMM5) == (int) FAIL) | |
3242 | return; | |
3243 | } | |
3244 | ||
3245 | end_of_line (str); | |
3246 | } | |
3247 | ||
3248 | /* Handle ldc/stc. */ | |
3249 | static void | |
3250 | do_ldst_cop (char *str) | |
3251 | { | |
3252 | skip_whitespace (str); | |
3253 | ||
3254 | if ((reg_required_here (&str, 15, REG_TYPE_SCORE_CR) == (int) FAIL) | |
3255 | || (skip_past_comma (&str) == (int) FAIL)) | |
3256 | return; | |
3257 | ||
3258 | if (*str == '[') | |
3259 | { | |
3260 | str++; | |
3261 | skip_whitespace (str); | |
3262 | ||
3263 | if (reg_required_here (&str, 20, REG_TYPE_SCORE) == (int) FAIL) | |
3264 | return; | |
3265 | ||
3266 | skip_whitespace (str); | |
3267 | ||
3268 | if (*str++ != ']') | |
3269 | { | |
3270 | if (exp_ldst_offset (&str, 5, _IMM10_RSHIFT_2) == (int) FAIL) | |
3271 | return; | |
3272 | ||
3273 | skip_whitespace (str); | |
3274 | if (*str++ != ']') | |
3275 | { | |
3276 | inst.error = _("missing ]"); | |
3277 | return; | |
3278 | } | |
3279 | } | |
3280 | ||
3281 | end_of_line (str); | |
3282 | } | |
3283 | else | |
3284 | inst.error = BAD_ARGS; | |
3285 | } | |
3286 | ||
3287 | static void | |
3288 | do16_ldst_insn (char *str) | |
3289 | { | |
3290 | skip_whitespace (str); | |
3291 | ||
3292 | if ((reglow_required_here (&str, 8) == (int) FAIL) || (skip_past_comma (&str) == (int) FAIL)) | |
3293 | return; | |
3294 | ||
3295 | if (*str == '[') | |
3296 | { | |
3297 | int reg; | |
3298 | ||
3299 | str++; | |
3300 | skip_whitespace (str); | |
3301 | ||
3302 | if ((reg = reglow_required_here (&str, 4)) == (int) FAIL) | |
3303 | return; | |
3304 | ||
3305 | skip_whitespace (str); | |
3306 | if (*str++ == ']') | |
3307 | { | |
3308 | if (end_of_line (str) == (int) FAIL) | |
3309 | return; | |
3310 | else | |
3311 | { | |
3312 | inst.relax_inst |= (((inst.instruction >> 8) & 0xf) << 20) | |
3313 | | (((inst.instruction >> 4) & 0xf) << 15); | |
3314 | inst.relax_size = 4; | |
3315 | } | |
3316 | } | |
3317 | else | |
3318 | { | |
3319 | inst.error = _("missing ]"); | |
3320 | } | |
3321 | } | |
3322 | else | |
3323 | { | |
3324 | inst.error = BAD_ARGS; | |
3325 | } | |
3326 | } | |
3327 | ||
3328 | /* Handle lbup!/lhp!/ldiu!/lwp!/sbp!/shp!/swp!. */ | |
3329 | static void | |
3330 | do16_ldst_imm_insn (char *str) | |
3331 | { | |
3332 | char data_exp[MAX_LITERAL_POOL_SIZE]; | |
3333 | int reg_rd; | |
3334 | char *dataptr = NULL, *pp = NULL; | |
3335 | int cnt = 0; | |
3336 | int assign_data = (int) FAIL; | |
3337 | unsigned int ldst_func; | |
3338 | ||
3339 | skip_whitespace (str); | |
3340 | ||
3341 | if (((reg_rd = reglow_required_here (&str, 8)) == (int) FAIL) | |
3342 | || (skip_past_comma (&str) == (int) FAIL)) | |
3343 | return; | |
3344 | ||
3345 | skip_whitespace (str); | |
3346 | dataptr = str; | |
3347 | ||
3348 | while ((*dataptr != '\0') && (*dataptr != '|') && (cnt <= MAX_LITERAL_POOL_SIZE)) | |
3349 | { | |
3350 | data_exp[cnt] = *dataptr; | |
3351 | dataptr++; | |
3352 | cnt++; | |
3353 | } | |
3354 | ||
3355 | data_exp[cnt] = '\0'; | |
3356 | pp = &data_exp[0]; | |
3357 | ||
3358 | str = dataptr; | |
3359 | ||
3360 | ldst_func = inst.instruction & LDST16_RI_MASK; | |
3361 | if (ldst_func == N16_LIU) | |
3362 | assign_data = exp_ldst_offset (&pp, 0, _IMM8); | |
3363 | else if (ldst_func == N16_LHP || ldst_func == N16_SHP) | |
3364 | assign_data = exp_ldst_offset (&pp, 3, _IMM5_RSHIFT_1); | |
3365 | else if (ldst_func == N16_LWP || ldst_func == N16_SWP) | |
3366 | assign_data = exp_ldst_offset (&pp, 3, _IMM5_RSHIFT_2); | |
3367 | else | |
3368 | assign_data = exp_ldst_offset (&pp, 3, _IMM5); | |
3369 | ||
3370 | if ((assign_data == (int) FAIL) || (end_of_line (pp) == (int) FAIL)) | |
3371 | return; | |
3372 | else | |
3373 | { | |
3374 | if ((inst.instruction & 0x7000) == N16_LIU) | |
3375 | { | |
3376 | inst.relax_inst |= ((inst.instruction >> 8) & 0xf) << 20 | |
3377 | | ((inst.instruction & 0xff) << 1); | |
3378 | } | |
3379 | else if (((inst.instruction & 0x7007) == N16_LHP) | |
3380 | || ((inst.instruction & 0x7007) == N16_SHP)) | |
3381 | { | |
3382 | inst.relax_inst |= ((inst.instruction >> 8) & 0xf) << 20 | 2 << 15 | |
3383 | | (((inst.instruction >> 3) & 0x1f) << 1); | |
3384 | } | |
3385 | else if (((inst.instruction & 0x7007) == N16_LWP) | |
3386 | || ((inst.instruction & 0x7007) == N16_SWP)) | |
3387 | { | |
3388 | inst.relax_inst |= ((inst.instruction >> 8) & 0xf) << 20 | 2 << 15 | |
3389 | | (((inst.instruction >> 3) & 0x1f) << 2); | |
3390 | } | |
3391 | else if (((inst.instruction & 0x7007) == N16_LBUP) | |
3392 | || ((inst.instruction & 0x7007) == N16_SBP)) | |
3393 | { | |
3394 | inst.relax_inst |= ((inst.instruction >> 8) & 0xf) << 20 | 2 << 15 | |
3395 | | (((inst.instruction >> 3) & 0x1f)); | |
3396 | } | |
3397 | ||
3398 | inst.relax_size = 4; | |
3399 | } | |
3400 | } | |
3401 | ||
3402 | static void | |
3403 | do16_push_pop (char *str) | |
3404 | { | |
3405 | int reg_rd; | |
3406 | int H_bit_mask = 0; | |
3407 | ||
3408 | skip_whitespace (str); | |
3409 | if (((reg_rd = reg_required_here (&str, 8, REG_TYPE_SCORE)) == (int) FAIL) | |
3410 | || (skip_past_comma (&str) == (int) FAIL)) | |
3411 | return; | |
3412 | ||
3413 | if (reg_rd >= 16) | |
3414 | H_bit_mask = 1; | |
3415 | ||
3416 | /* reg_required_here will change bit 12 of opcode, so we must restore bit 12. */ | |
3417 | inst.instruction &= ~(1 << 12); | |
3418 | ||
3419 | inst.instruction |= H_bit_mask << 7; | |
3420 | ||
3421 | if (*str == '[') | |
3422 | { | |
3423 | int reg; | |
3424 | ||
3425 | str++; | |
3426 | skip_whitespace (str); | |
3427 | if ((reg = reg_required_here (&str, 4, REG_TYPE_SCORE)) == (int) FAIL) | |
3428 | return; | |
3429 | else if (reg > 7) | |
3430 | { | |
3431 | if (!inst.error) | |
3432 | inst.error = _("base register nums are over 3 bit"); | |
3433 | ||
3434 | return; | |
3435 | } | |
3436 | ||
3437 | skip_whitespace (str); | |
3438 | if ((*str++ != ']') || (end_of_line (str) == (int) FAIL)) | |
3439 | { | |
3440 | if (!inst.error) | |
3441 | inst.error = _("missing ]"); | |
3442 | ||
3443 | return; | |
3444 | } | |
3445 | ||
3446 | /* pop! */ | |
3447 | if ((inst.instruction & 0xf) == 0xa) | |
3448 | { | |
3449 | if (H_bit_mask) | |
3450 | { | |
3451 | inst.relax_inst |= ((((inst.instruction >> 8) & 0xf) | 0x10) << 20) | |
3452 | | (((inst.instruction >> 4) & 0x7) << 15) | (4 << 3); | |
3453 | } | |
3454 | else | |
3455 | { | |
3456 | inst.relax_inst |= (((inst.instruction >> 8) & 0xf) << 20) | |
3457 | | (((inst.instruction >> 4) & 0x7) << 15) | (4 << 3); | |
3458 | } | |
3459 | } | |
3460 | /* push! */ | |
3461 | else | |
3462 | { | |
3463 | if (H_bit_mask) | |
3464 | { | |
3465 | inst.relax_inst |= ((((inst.instruction >> 8) & 0xf) | 0x10) << 20) | |
3466 | | (((inst.instruction >> 4) & 0x7) << 15) | (((-4) & 0xfff) << 3); | |
3467 | } | |
3468 | else | |
3469 | { | |
3470 | inst.relax_inst |= (((inst.instruction >> 8) & 0xf) << 20) | |
3471 | | (((inst.instruction >> 4) & 0x7) << 15) | (((-4) & 0xfff) << 3); | |
3472 | } | |
3473 | } | |
3474 | inst.relax_size = 4; | |
3475 | } | |
3476 | else | |
3477 | { | |
3478 | inst.error = BAD_ARGS; | |
3479 | } | |
3480 | } | |
3481 | ||
3482 | /* Handle lcb/lcw/lce/scb/scw/sce. */ | |
3483 | static void | |
3484 | do_ldst_unalign (char *str) | |
3485 | { | |
3486 | int conflict_reg; | |
3487 | ||
3488 | if (university_version == 1) | |
3489 | { | |
3490 | inst.error = ERR_FOR_SCORE5U_ATOMIC; | |
3491 | return; | |
3492 | } | |
3493 | ||
3494 | skip_whitespace (str); | |
3495 | ||
3496 | /* lcb/scb [rA]+. */ | |
3497 | if (*str == '[') | |
3498 | { | |
3499 | str++; | |
3500 | skip_whitespace (str); | |
3501 | ||
3502 | if (reg_required_here (&str, 15, REG_TYPE_SCORE) == (int) FAIL) | |
3503 | return; | |
3504 | ||
3505 | if (*str++ == ']') | |
3506 | { | |
3507 | if (*str++ != '+') | |
3508 | { | |
3509 | inst.error = _("missing +"); | |
3510 | return; | |
3511 | } | |
3512 | } | |
3513 | else | |
3514 | { | |
3515 | inst.error = _("missing ]"); | |
3516 | return; | |
3517 | } | |
3518 | ||
3519 | if (end_of_line (str) == (int) FAIL) | |
3520 | return; | |
3521 | } | |
3522 | /* lcw/lce/scb/sce rD, [rA]+. */ | |
3523 | else | |
3524 | { | |
3525 | if (((conflict_reg = reg_required_here (&str, 20, REG_TYPE_SCORE)) == (int) FAIL) | |
3526 | || (skip_past_comma (&str) == (int) FAIL)) | |
3527 | { | |
3528 | return; | |
3529 | } | |
3530 | ||
3531 | skip_whitespace (str); | |
3532 | if (*str++ == '[') | |
3533 | { | |
3534 | int reg; | |
3535 | ||
3536 | skip_whitespace (str); | |
3537 | if ((reg = reg_required_here (&str, 15, REG_TYPE_SCORE)) == (int) FAIL) | |
3538 | { | |
3539 | return; | |
3540 | } | |
3541 | ||
3542 | /* Conflicts can occur on stores as well as loads. */ | |
3543 | conflict_reg = (conflict_reg == reg); | |
3544 | skip_whitespace (str); | |
3545 | if (*str++ == ']') | |
3546 | { | |
3547 | unsigned int ldst_func = inst.instruction & LDST_UNALIGN_MASK; | |
3548 | ||
3549 | if (*str++ == '+') | |
3550 | { | |
3551 | if (conflict_reg) | |
3552 | { | |
3553 | as_warn (_("%s register same as write-back base"), | |
3554 | ((ldst_func & UA_LCE) || (ldst_func & UA_LCW) | |
3555 | ? _("destination") : _("source"))); | |
3556 | } | |
3557 | } | |
3558 | else | |
3559 | { | |
3560 | inst.error = _("missing +"); | |
3561 | return; | |
3562 | } | |
3563 | ||
3564 | if (end_of_line (str) == (int) FAIL) | |
3565 | return; | |
3566 | } | |
3567 | else | |
3568 | { | |
3569 | inst.error = _("missing ]"); | |
3570 | return; | |
3571 | } | |
3572 | } | |
3573 | else | |
3574 | { | |
3575 | inst.error = BAD_ARGS; | |
3576 | return; | |
3577 | } | |
3578 | } | |
3579 | } | |
3580 | ||
3581 | /* Handle alw/asw. */ | |
3582 | static void | |
3583 | do_ldst_atomic (char *str) | |
3584 | { | |
3585 | if (university_version == 1) | |
3586 | { | |
3587 | inst.error = ERR_FOR_SCORE5U_ATOMIC; | |
3588 | return; | |
3589 | } | |
3590 | ||
3591 | skip_whitespace (str); | |
3592 | ||
3593 | if ((reg_required_here (&str, 20, REG_TYPE_SCORE) == (int) FAIL) | |
3594 | || (skip_past_comma (&str) == (int) FAIL)) | |
3595 | { | |
3596 | return; | |
3597 | } | |
3598 | else | |
3599 | { | |
3600 | ||
3601 | skip_whitespace (str); | |
3602 | if (*str++ == '[') | |
3603 | { | |
3604 | int reg; | |
3605 | ||
3606 | skip_whitespace (str); | |
3607 | if ((reg = reg_required_here (&str, 15, REG_TYPE_SCORE)) == (int) FAIL) | |
3608 | { | |
3609 | return; | |
3610 | } | |
3611 | ||
3612 | skip_whitespace (str); | |
3613 | if (*str++ != ']') | |
3614 | { | |
3615 | inst.error = _("missing ]"); | |
3616 | return; | |
3617 | } | |
3618 | ||
3619 | end_of_line (str); | |
3620 | } | |
3621 | else | |
3622 | inst.error = BAD_ARGS; | |
3623 | } | |
3624 | } | |
3625 | ||
3626 | static void | |
3627 | build_relax_frag (struct score_it fix_insts[RELAX_INST_NUM], int fix_num ATTRIBUTE_UNUSED, | |
3628 | struct score_it var_insts[RELAX_INST_NUM], int var_num, | |
3629 | symbolS *add_symbol) | |
3630 | { | |
3631 | int i; | |
3632 | char *p; | |
3633 | fixS *fixp = NULL; | |
b3549761 | 3634 | fixS *cur_fixp = NULL; |
1c0d3aa6 NC |
3635 | long where; |
3636 | struct score_it inst_main; | |
3637 | ||
3638 | memcpy (&inst_main, &fix_insts[0], sizeof (struct score_it)); | |
3639 | ||
3640 | /* Adjust instruction opcode and to be relaxed instruction opcode. */ | |
3641 | inst_main.instruction = adjust_paritybit (inst_main.instruction, GET_INSN_CLASS (inst_main.type)); | |
3642 | inst_main.type = Insn_PIC; | |
3643 | ||
3644 | for (i = 0; i < var_num; i++) | |
3645 | { | |
3646 | inst_main.relax_size += var_insts[i].size; | |
3647 | var_insts[i].instruction = adjust_paritybit (var_insts[i].instruction, | |
3648 | GET_INSN_CLASS (var_insts[i].type)); | |
3649 | } | |
3650 | ||
3651 | /* Check data dependency. */ | |
3652 | handle_dependency (&inst_main); | |
3653 | ||
3654 | /* Start a new frag if frag_now is not empty. */ | |
3655 | if (frag_now_fix () != 0) | |
3656 | { | |
3657 | if (!frag_now->tc_frag_data.is_insn) | |
3658 | { | |
3659 | frag_wane (frag_now); | |
3660 | } | |
3661 | frag_new (0); | |
3662 | } | |
3663 | frag_grow (20); | |
3664 | ||
3665 | /* Write fr_fix part. */ | |
3666 | p = frag_more (inst_main.size); | |
3667 | md_number_to_chars (p, inst_main.instruction, inst_main.size); | |
3668 | ||
3669 | if (inst_main.reloc.type != BFD_RELOC_NONE) | |
b3549761 NC |
3670 | fixp = fix_new_score (frag_now, p - frag_now->fr_literal, inst_main.size, |
3671 | &inst_main.reloc.exp, inst_main.reloc.pc_rel, inst_main.reloc.type); | |
1c0d3aa6 | 3672 | |
b3549761 NC |
3673 | frag_now->tc_frag_data.fixp = fixp; |
3674 | cur_fixp = frag_now->tc_frag_data.fixp; | |
1c0d3aa6 NC |
3675 | |
3676 | #ifdef OBJ_ELF | |
3677 | dwarf2_emit_insn (inst_main.size); | |
3678 | #endif | |
3679 | ||
3680 | where = p - frag_now->fr_literal + inst_main.size; | |
3681 | for (i = 0; i < var_num; i++) | |
3682 | { | |
3683 | if (i > 0) | |
3684 | where += var_insts[i - 1].size; | |
3685 | ||
3686 | if (var_insts[i].reloc.type != BFD_RELOC_NONE) | |
3687 | { | |
3688 | fixp = fix_new_score (frag_now, where, var_insts[i].size, | |
3689 | &var_insts[i].reloc.exp, var_insts[i].reloc.pc_rel, | |
3690 | var_insts[i].reloc.type); | |
3691 | if (fixp) | |
3692 | { | |
b3549761 NC |
3693 | if (cur_fixp) |
3694 | { | |
3695 | cur_fixp->fx_next = fixp; | |
3696 | cur_fixp = cur_fixp->fx_next; | |
3697 | } | |
3698 | else | |
3699 | { | |
3700 | frag_now->tc_frag_data.fixp = fixp; | |
3701 | cur_fixp = frag_now->tc_frag_data.fixp; | |
3702 | } | |
1c0d3aa6 NC |
3703 | } |
3704 | } | |
3705 | } | |
3706 | ||
1c0d3aa6 NC |
3707 | p = frag_var (rs_machine_dependent, inst_main.relax_size + RELAX_PAD_BYTE, 0, |
3708 | RELAX_ENCODE (inst_main.size, inst_main.relax_size, inst_main.type, | |
3709 | 0, inst_main.size, 0), add_symbol, 0, NULL); | |
3710 | ||
3711 | /* Write fr_var part. | |
3712 | no calling gen_insn_frag, no fixS will be generated. */ | |
3713 | for (i = 0; i < var_num; i++) | |
3714 | { | |
3715 | md_number_to_chars (p, var_insts[i].instruction, var_insts[i].size); | |
3716 | p += var_insts[i].size; | |
3717 | } | |
3718 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ | |
3719 | inst.bwarn = -1; | |
3720 | } | |
3721 | ||
3722 | /* Build a relax frag for la instruction when generating PIC, | |
3723 | external symbol first and local symbol second. */ | |
3724 | ||
3725 | static void | |
3726 | build_la_pic (int reg_rd, expressionS exp) | |
3727 | { | |
3728 | symbolS *add_symbol = exp.X_add_symbol; | |
3729 | offsetT add_number = exp.X_add_number; | |
3730 | struct score_it fix_insts[RELAX_INST_NUM]; | |
3731 | struct score_it var_insts[RELAX_INST_NUM]; | |
3732 | int fix_num = 0; | |
3733 | int var_num = 0; | |
3734 | char tmp[MAX_LITERAL_POOL_SIZE]; | |
3735 | int r1_bak; | |
3736 | ||
3737 | r1_bak = nor1; | |
3738 | nor1 = 0; | |
3739 | ||
3740 | if (add_number == 0) | |
3741 | { | |
3742 | fix_num = 1; | |
3743 | var_num = 2; | |
3744 | ||
3745 | /* Insn 1 and Insn 2 */ | |
3746 | /* Fix part | |
3747 | For an external symbol: lw rD, <sym>($gp) | |
3748 | (BFD_RELOC_SCORE_GOT15 or BFD_RELOC_SCORE_CALL15) */ | |
3749 | sprintf (tmp, "lw_pic r%d, %s", reg_rd, add_symbol->bsym->name); | |
3750 | if (append_insn (tmp, FALSE) == (int) FAIL) | |
3751 | return; | |
3752 | ||
3753 | if (reg_rd == PIC_CALL_REG) | |
3754 | inst.reloc.type = BFD_RELOC_SCORE_CALL15; | |
3755 | memcpy (&fix_insts[0], &inst, sizeof (struct score_it)); | |
3756 | ||
3757 | /* Var part | |
3758 | For a local symbol : | |
3759 | lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15) | |
3760 | addi rD, <sym> (BFD_RELOC_GOT_LO16) */ | |
3761 | inst.reloc.type = BFD_RELOC_SCORE_GOT15; | |
3762 | memcpy (&var_insts[0], &inst, sizeof (struct score_it)); | |
3763 | sprintf (tmp, "addi_s_pic r%d, %s", reg_rd, add_symbol->bsym->name); | |
3764 | if (append_insn (tmp, FALSE) == (int) FAIL) | |
3765 | return; | |
3766 | ||
3767 | memcpy (&var_insts[1], &inst, sizeof (struct score_it)); | |
3768 | build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol); | |
3769 | } | |
3770 | else if (add_number >= -0x8000 && add_number <= 0x7fff) | |
3771 | { | |
3772 | /* Insn 1: lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15) */ | |
3773 | sprintf (tmp, "lw_pic r%d, %s", reg_rd, add_symbol->bsym->name); | |
3774 | if (append_insn (tmp, TRUE) == (int) FAIL) | |
3775 | return; | |
3776 | ||
3777 | /* Insn 2 */ | |
3778 | fix_num = 1; | |
3779 | var_num = 1; | |
3780 | /* Fix part | |
3781 | For an external symbol: addi rD, <constant> */ | |
3782 | sprintf (tmp, "addi r%d, %d", reg_rd, (int)add_number); | |
3783 | if (append_insn (tmp, FALSE) == (int) FAIL) | |
3784 | return; | |
3785 | ||
3786 | memcpy (&fix_insts[0], &inst, sizeof (struct score_it)); | |
3787 | ||
3788 | /* Var part | |
3789 | For a local symbol: addi rD, <sym>+<constant> (BFD_RELOC_GOT_LO16) */ | |
3790 | sprintf (tmp, "addi_s_pic r%d, %s + %d", reg_rd, add_symbol->bsym->name, (int)add_number); | |
3791 | if (append_insn (tmp, FALSE) == (int) FAIL) | |
3792 | return; | |
3793 | ||
3794 | memcpy (&var_insts[0], &inst, sizeof (struct score_it)); | |
3795 | build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol); | |
3796 | } | |
3797 | else | |
3798 | { | |
3799 | int hi = (add_number >> 16) & 0x0000FFFF; | |
3800 | int lo = add_number & 0x0000FFFF; | |
3801 | ||
3802 | /* Insn 1: lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15) */ | |
3803 | sprintf (tmp, "lw_pic r%d, %s", reg_rd, add_symbol->bsym->name); | |
3804 | if (append_insn (tmp, TRUE) == (int) FAIL) | |
3805 | return; | |
3806 | ||
3807 | /* Insn 2 */ | |
3808 | fix_num = 1; | |
3809 | var_num = 1; | |
3810 | /* Fix part | |
3811 | For an external symbol: ldis r1, HI%<constant> */ | |
3812 | sprintf (tmp, "ldis %s, %d", "r1", hi); | |
3813 | if (append_insn (tmp, FALSE) == (int) FAIL) | |
3814 | return; | |
3815 | ||
3816 | memcpy (&fix_insts[0], &inst, sizeof (struct score_it)); | |
3817 | ||
3818 | /* Var part | |
3819 | For a local symbol: ldis r1, HI%<constant> | |
3820 | but, if lo is outof 16 bit, make hi plus 1 */ | |
3821 | if ((lo < -0x8000) || (lo > 0x7fff)) | |
3822 | { | |
3823 | hi += 1; | |
3824 | } | |
3825 | sprintf (tmp, "ldis_pic %s, %d", "r1", hi); | |
3826 | if (append_insn (tmp, FALSE) == (int) FAIL) | |
3827 | return; | |
3828 | ||
3829 | memcpy (&var_insts[0], &inst, sizeof (struct score_it)); | |
3830 | build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol); | |
3831 | ||
3832 | /* Insn 3 */ | |
3833 | fix_num = 1; | |
3834 | var_num = 1; | |
3835 | /* Fix part | |
3836 | For an external symbol: ori r1, LO%<constant> */ | |
3837 | sprintf (tmp, "ori %s, %d", "r1", lo); | |
3838 | if (append_insn (tmp, FALSE) == (int) FAIL) | |
3839 | return; | |
3840 | ||
3841 | memcpy (&fix_insts[0], &inst, sizeof (struct score_it)); | |
3842 | ||
3843 | /* Var part | |
3844 | For a local symbol: addi r1, <sym>+LO%<constant> (BFD_RELOC_GOT_LO16) */ | |
3845 | sprintf (tmp, "addi_u_pic %s, %s + %d", "r1", add_symbol->bsym->name, lo); | |
3846 | if (append_insn (tmp, FALSE) == (int) FAIL) | |
3847 | return; | |
3848 | ||
3849 | memcpy (&var_insts[0], &inst, sizeof (struct score_it)); | |
3850 | build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol); | |
3851 | ||
3852 | /* Insn 4: add rD, rD, r1 */ | |
3853 | sprintf (tmp, "add r%d, r%d, %s", reg_rd, reg_rd, "r1"); | |
3854 | if (append_insn (tmp, TRUE) == (int) FAIL) | |
3855 | return; | |
3856 | ||
3857 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ | |
3858 | inst.bwarn = -1; | |
3859 | } | |
3860 | ||
3861 | nor1 = r1_bak; | |
3862 | } | |
3863 | ||
3864 | /* Handle la. */ | |
3865 | static void | |
3866 | do_macro_la_rdi32 (char *str) | |
3867 | { | |
3868 | int reg_rd; | |
3869 | ||
3870 | skip_whitespace (str); | |
3871 | if ((reg_rd = reg_required_here (&str, 20, REG_TYPE_SCORE)) == (int) FAIL | |
3872 | || skip_past_comma (&str) == (int) FAIL) | |
3873 | { | |
3874 | return; | |
3875 | } | |
3876 | else | |
3877 | { | |
3878 | char append_str[MAX_LITERAL_POOL_SIZE]; | |
3879 | char *keep_data = str; | |
3880 | ||
3881 | /* la rd, simm16. */ | |
3882 | if (data_op2 (&str, 1, _SIMM16_LA) != (int) FAIL) | |
3883 | { | |
3884 | end_of_line (str); | |
3885 | return; | |
3886 | } | |
3887 | /* la rd, imm32 or la rd, label. */ | |
3888 | else | |
3889 | { | |
3890 | SET_INSN_ERROR (NULL); | |
3891 | str = keep_data; | |
3892 | if ((data_op2 (&str, 1, _VALUE_HI16) == (int) FAIL) | |
3893 | || (end_of_line (str) == (int) FAIL)) | |
3894 | { | |
3895 | return; | |
3896 | } | |
3897 | else | |
3898 | { | |
3899 | if ((score_pic == NO_PIC) || (!inst.reloc.exp.X_add_symbol)) | |
3900 | { | |
3901 | sprintf (append_str, "ld_i32hi r%d, %s", reg_rd, keep_data); | |
3902 | if (append_insn (append_str, TRUE) == (int) FAIL) | |
3903 | return; | |
3904 | ||
3905 | sprintf (append_str, "ld_i32lo r%d, %s", reg_rd, keep_data); | |
3906 | if (append_insn (append_str, TRUE) == (int) FAIL) | |
3907 | return; | |
3908 | } | |
3909 | else | |
3910 | { | |
3911 | assert (inst.reloc.exp.X_add_symbol); | |
3912 | build_la_pic (reg_rd, inst.reloc.exp); | |
3913 | } | |
3914 | ||
3915 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ | |
3916 | inst.bwarn = -1; | |
3917 | } | |
3918 | } | |
3919 | } | |
3920 | } | |
3921 | ||
3922 | /* Handle li. */ | |
3923 | static void | |
3924 | do_macro_li_rdi32 (char *str){ | |
3925 | ||
3926 | int reg_rd; | |
3927 | ||
3928 | skip_whitespace (str); | |
3929 | if ((reg_rd = reg_required_here (&str, 20, REG_TYPE_SCORE)) == (int) FAIL | |
3930 | || skip_past_comma (&str) == (int) FAIL) | |
3931 | { | |
3932 | return; | |
3933 | } | |
3934 | else | |
3935 | { | |
3936 | char *keep_data = str; | |
3937 | ||
3938 | /* li rd, simm16. */ | |
3939 | if (data_op2 (&str, 1, _SIMM16_LA) != (int) FAIL) | |
3940 | { | |
3941 | end_of_line (str); | |
3942 | return; | |
3943 | } | |
3944 | /* li rd, imm32. */ | |
3945 | else | |
3946 | { | |
3947 | char append_str[MAX_LITERAL_POOL_SIZE]; | |
3948 | ||
3949 | str = keep_data; | |
3950 | ||
3951 | if ((data_op2 (&str, 1, _VALUE_HI16) == (int) FAIL) | |
3952 | || (end_of_line (str) == (int) FAIL)) | |
3953 | { | |
3954 | return; | |
3955 | } | |
3956 | else if (inst.reloc.exp.X_add_symbol) | |
3957 | { | |
3958 | inst.error = _("li rd label isn't correct instruction form"); | |
3959 | return; | |
3960 | } | |
3961 | else | |
3962 | { | |
3963 | sprintf (append_str, "ld_i32hi r%d, %s", reg_rd, keep_data); | |
3964 | ||
3965 | if (append_insn (append_str, TRUE) == (int) FAIL) | |
3966 | return; | |
3967 | else | |
3968 | { | |
3969 | sprintf (append_str, "ld_i32lo r%d, %s", reg_rd, keep_data); | |
3970 | if (append_insn (append_str, TRUE) == (int) FAIL) | |
3971 | return; | |
3972 | ||
3973 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ | |
3974 | inst.bwarn = -1; | |
3975 | } | |
3976 | } | |
3977 | } | |
3978 | } | |
3979 | } | |
3980 | ||
3981 | /* Handle mul/mulu/div/divu/rem/remu. */ | |
3982 | static void | |
3983 | do_macro_mul_rdrsrs (char *str) | |
3984 | { | |
3985 | int reg_rd; | |
3986 | int reg_rs1; | |
3987 | int reg_rs2; | |
3988 | char *backupstr; | |
3989 | char append_str[MAX_LITERAL_POOL_SIZE]; | |
3990 | ||
3991 | if (university_version == 1) | |
3992 | as_warn ("%s", ERR_FOR_SCORE5U_MUL_DIV); | |
3993 | ||
3994 | strcpy (append_str, str); | |
3995 | backupstr = append_str; | |
3996 | skip_whitespace (backupstr); | |
3997 | if (((reg_rd = reg_required_here (&backupstr, -1, REG_TYPE_SCORE)) == (int) FAIL) | |
3998 | || (skip_past_comma (&backupstr) == (int) FAIL) | |
3999 | || ((reg_rs1 = reg_required_here (&backupstr, -1, REG_TYPE_SCORE)) == (int) FAIL)) | |
4000 | { | |
4001 | inst.error = BAD_ARGS; | |
4002 | return; | |
4003 | } | |
4004 | ||
4005 | if (skip_past_comma (&backupstr) == (int) FAIL) | |
4006 | { | |
4007 | /* rem/remu rA, rB is error format. */ | |
4008 | if (strcmp (inst.name, "rem") == 0 || strcmp (inst.name, "remu") == 0) | |
4009 | { | |
4010 | SET_INSN_ERROR (BAD_ARGS); | |
4011 | } | |
4012 | else | |
4013 | { | |
4014 | SET_INSN_ERROR (NULL); | |
4015 | do_rsrs (str); | |
4016 | } | |
4017 | return; | |
4018 | } | |
4019 | else | |
4020 | { | |
4021 | SET_INSN_ERROR (NULL); | |
4022 | if (((reg_rs2 = reg_required_here (&backupstr, -1, REG_TYPE_SCORE)) == (int) FAIL) | |
4023 | || (end_of_line (backupstr) == (int) FAIL)) | |
4024 | { | |
4025 | return; | |
4026 | } | |
4027 | else | |
4028 | { | |
4029 | char append_str1[MAX_LITERAL_POOL_SIZE]; | |
4030 | ||
4031 | if (strcmp (inst.name, "rem") == 0) | |
4032 | { | |
4033 | sprintf (append_str, "%s r%d, r%d", "mul", reg_rs1, reg_rs2); | |
4034 | sprintf (append_str1, "mfceh r%d", reg_rd); | |
4035 | } | |
4036 | else if (strcmp (inst.name, "remu") == 0) | |
4037 | { | |
4038 | sprintf (append_str, "%s r%d, r%d", "mulu", reg_rs1, reg_rs2); | |
4039 | sprintf (append_str1, "mfceh r%d", reg_rd); | |
4040 | } | |
4041 | else | |
4042 | { | |
4043 | sprintf (append_str, "%s r%d, r%d", inst.name, reg_rs1, reg_rs2); | |
4044 | sprintf (append_str1, "mfcel r%d", reg_rd); | |
4045 | } | |
4046 | ||
4047 | /* Output mul/mulu or div/divu or rem/remu. */ | |
4048 | if (append_insn (append_str, TRUE) == (int) FAIL) | |
4049 | return; | |
4050 | ||
4051 | /* Output mfcel or mfceh. */ | |
4052 | if (append_insn (append_str1, TRUE) == (int) FAIL) | |
4053 | return; | |
4054 | ||
4055 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ | |
4056 | inst.bwarn = -1; | |
4057 | } | |
4058 | } | |
4059 | } | |
4060 | ||
4061 | static void | |
4062 | exp_macro_ldst_abs (char *str) | |
4063 | { | |
4064 | int reg_rd; | |
4065 | char *backupstr, *tmp; | |
4066 | char append_str[MAX_LITERAL_POOL_SIZE]; | |
4067 | char verifystr[MAX_LITERAL_POOL_SIZE]; | |
4068 | struct score_it inst_backup; | |
4069 | int r1_bak = 0; | |
4070 | ||
4071 | r1_bak = nor1; | |
4072 | nor1 = 0; | |
4073 | memcpy (&inst_backup, &inst, sizeof (struct score_it)); | |
4074 | ||
4075 | strcpy (verifystr, str); | |
4076 | backupstr = verifystr; | |
4077 | skip_whitespace (backupstr); | |
4078 | if ((reg_rd = reg_required_here (&backupstr, -1, REG_TYPE_SCORE)) == (int) FAIL) | |
4079 | return; | |
4080 | ||
4081 | tmp = backupstr; | |
4082 | if (skip_past_comma (&backupstr) == (int) FAIL) | |
4083 | return; | |
4084 | ||
4085 | backupstr = tmp; | |
4086 | sprintf (append_str, "li r1 %s", backupstr); | |
4087 | append_insn (append_str, TRUE); | |
4088 | ||
4089 | memcpy (&inst, &inst_backup, sizeof (struct score_it)); | |
4090 | sprintf (append_str, " r%d, [r1,0]", reg_rd); | |
4091 | do_ldst_insn (append_str); | |
4092 | ||
4093 | nor1 = r1_bak; | |
4094 | } | |
4095 | ||
4096 | static int | |
4097 | nopic_need_relax (symbolS * sym, int before_relaxing) | |
4098 | { | |
4099 | if (sym == NULL) | |
4100 | return 0; | |
4101 | else if (USE_GLOBAL_POINTER_OPT && g_switch_value > 0) | |
4102 | { | |
4103 | const char *symname; | |
4104 | const char *segname; | |
4105 | ||
4106 | /* Find out whether this symbol can be referenced off the $gp | |
4107 | register. It can be if it is smaller than the -G size or if | |
4108 | it is in the .sdata or .sbss section. Certain symbols can | |
4109 | not be referenced off the $gp, although it appears as though | |
4110 | they can. */ | |
4111 | symname = S_GET_NAME (sym); | |
4112 | if (symname != (const char *)NULL | |
4113 | && (strcmp (symname, "eprol") == 0 | |
4114 | || strcmp (symname, "etext") == 0 | |
4115 | || strcmp (symname, "_gp") == 0 | |
4116 | || strcmp (symname, "edata") == 0 | |
4117 | || strcmp (symname, "_fbss") == 0 | |
4118 | || strcmp (symname, "_fdata") == 0 | |
4119 | || strcmp (symname, "_ftext") == 0 | |
4120 | || strcmp (symname, "end") == 0 | |
4121 | || strcmp (symname, GP_DISP_LABEL) == 0)) | |
4122 | { | |
4123 | return 1; | |
4124 | } | |
4125 | else if ((!S_IS_DEFINED (sym) || S_IS_COMMON (sym)) && (0 | |
4126 | /* We must defer this decision until after the whole file has been read, | |
4127 | since there might be a .extern after the first use of this symbol. */ | |
4128 | || (before_relaxing | |
4129 | && S_GET_VALUE (sym) == 0) | |
4130 | || (S_GET_VALUE (sym) != 0 | |
4131 | && S_GET_VALUE (sym) <= g_switch_value))) | |
4132 | { | |
4133 | return 0; | |
4134 | } | |
4135 | ||
4136 | segname = segment_name (S_GET_SEGMENT (sym)); | |
4137 | return (strcmp (segname, ".sdata") != 0 | |
4138 | && strcmp (segname, ".sbss") != 0 | |
4139 | && strncmp (segname, ".sdata.", 7) != 0 | |
4140 | && strncmp (segname, ".gnu.linkonce.s.", 16) != 0); | |
4141 | } | |
4142 | /* We are not optimizing for the $gp register. */ | |
4143 | else | |
4144 | return 1; | |
4145 | } | |
4146 | ||
4147 | /* Build a relax frag for lw instruction when generating PIC, | |
4148 | external symbol first and local symbol second. */ | |
4149 | ||
4150 | static void | |
4151 | build_lw_pic (int reg_rd, expressionS exp) | |
4152 | { | |
4153 | symbolS *add_symbol = exp.X_add_symbol; | |
4154 | int add_number = exp.X_add_number; | |
4155 | struct score_it fix_insts[RELAX_INST_NUM]; | |
4156 | struct score_it var_insts[RELAX_INST_NUM]; | |
4157 | int fix_num = 0; | |
4158 | int var_num = 0; | |
4159 | char tmp[MAX_LITERAL_POOL_SIZE]; | |
4160 | int r1_bak; | |
4161 | ||
4162 | r1_bak = nor1; | |
4163 | nor1 = 0; | |
4164 | ||
4165 | if ((add_number == 0) || (add_number >= -0x8000 && add_number <= 0x7fff)) | |
4166 | { | |
4167 | fix_num = 1; | |
4168 | var_num = 2; | |
4169 | ||
4170 | /* Insn 1 and Insn 2 */ | |
4171 | /* Fix part | |
4172 | For an external symbol: lw rD, <sym>($gp) | |
4173 | (BFD_RELOC_SCORE_GOT15) */ | |
4174 | sprintf (tmp, "lw_pic r%d, %s", reg_rd, add_symbol->bsym->name); | |
4175 | if (append_insn (tmp, FALSE) == (int) FAIL) | |
4176 | return; | |
4177 | ||
4178 | memcpy (&fix_insts[0], &inst, sizeof (struct score_it)); | |
4179 | ||
4180 | /* Var part | |
4181 | For a local symbol : | |
4182 | lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15) | |
4183 | addi rD, <sym> (BFD_RELOC_GOT_LO16) */ | |
4184 | inst.reloc.type = BFD_RELOC_SCORE_GOT15; | |
4185 | memcpy (&var_insts[0], &inst, sizeof (struct score_it)); | |
4186 | sprintf (tmp, "addi_s_pic r%d, %s", reg_rd, add_symbol->bsym->name); | |
4187 | if (append_insn (tmp, FALSE) == (int) FAIL) | |
4188 | return; | |
4189 | ||
4190 | memcpy (&var_insts[1], &inst, sizeof (struct score_it)); | |
4191 | build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol); | |
4192 | ||
4193 | /* Insn 2: lw rD, [rD, constant] */ | |
4194 | sprintf (tmp, "lw r%d, [r%d, %d]", reg_rd, reg_rd, add_number); | |
4195 | if (append_insn (tmp, TRUE) == (int) FAIL) | |
4196 | return; | |
4197 | ||
4198 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ | |
4199 | inst.bwarn = -1; | |
4200 | } | |
4201 | else | |
4202 | { | |
4203 | int hi = (add_number >> 16) & 0x0000FFFF; | |
4204 | int lo = add_number & 0x0000FFFF; | |
4205 | ||
4206 | /* Insn 1: lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15) */ | |
4207 | sprintf (tmp, "lw_pic r%d, %s", reg_rd, add_symbol->bsym->name); | |
4208 | if (append_insn (tmp, TRUE) == (int) FAIL) | |
4209 | return; | |
4210 | ||
4211 | /* Insn 2 */ | |
4212 | fix_num = 1; | |
4213 | var_num = 1; | |
4214 | /* Fix part | |
4215 | For an external symbol: ldis r1, HI%<constant> */ | |
4216 | sprintf (tmp, "ldis %s, %d", "r1", hi); | |
4217 | if (append_insn (tmp, FALSE) == (int) FAIL) | |
4218 | return; | |
4219 | ||
4220 | memcpy (&fix_insts[0], &inst, sizeof (struct score_it)); | |
4221 | ||
4222 | /* Var part | |
4223 | For a local symbol: ldis r1, HI%<constant> | |
4224 | but, if lo is outof 16 bit, make hi plus 1 */ | |
4225 | if ((lo < -0x8000) || (lo > 0x7fff)) | |
4226 | { | |
4227 | hi += 1; | |
4228 | } | |
4229 | sprintf (tmp, "ldis_pic %s, %d", "r1", hi); | |
4230 | if (append_insn (tmp, FALSE) == (int) FAIL) | |
4231 | return; | |
4232 | ||
4233 | memcpy (&var_insts[0], &inst, sizeof (struct score_it)); | |
4234 | build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol); | |
4235 | ||
4236 | /* Insn 3 */ | |
4237 | fix_num = 1; | |
4238 | var_num = 1; | |
4239 | /* Fix part | |
4240 | For an external symbol: ori r1, LO%<constant> */ | |
4241 | sprintf (tmp, "ori %s, %d", "r1", lo); | |
4242 | if (append_insn (tmp, FALSE) == (int) FAIL) | |
4243 | return; | |
4244 | ||
4245 | memcpy (&fix_insts[0], &inst, sizeof (struct score_it)); | |
4246 | ||
4247 | /* Var part | |
4248 | For a local symbol: addi r1, <sym>+LO%<constant> (BFD_RELOC_GOT_LO16) */ | |
4249 | sprintf (tmp, "addi_u_pic %s, %s + %d", "r1", add_symbol->bsym->name, lo); | |
4250 | if (append_insn (tmp, FALSE) == (int) FAIL) | |
4251 | return; | |
4252 | ||
4253 | memcpy (&var_insts[0], &inst, sizeof (struct score_it)); | |
4254 | build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol); | |
4255 | ||
4256 | /* Insn 4: add rD, rD, r1 */ | |
4257 | sprintf (tmp, "add r%d, r%d, %s", reg_rd, reg_rd, "r1"); | |
4258 | if (append_insn (tmp, TRUE) == (int) FAIL) | |
4259 | return; | |
4260 | ||
4261 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ | |
4262 | inst.bwarn = -1; | |
4263 | ||
4264 | /* Insn 5: lw rD, [rD, 0] */ | |
4265 | sprintf (tmp, "lw r%d, [r%d, 0]", reg_rd, reg_rd); | |
4266 | if (append_insn (tmp, TRUE) == (int) FAIL) | |
4267 | return; | |
4268 | ||
4269 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ | |
4270 | inst.bwarn = -1; | |
4271 | } | |
4272 | ||
4273 | nor1 = r1_bak; | |
4274 | } | |
4275 | ||
4276 | static void | |
4277 | do_macro_ldst_label (char *str) | |
4278 | { | |
4279 | int i; | |
4280 | int ldst_gp_p = 0; | |
4281 | int reg_rd; | |
4282 | int r1_bak; | |
4283 | char *backup_str; | |
4284 | char *label_str; | |
4285 | char *absolute_value; | |
4286 | char append_str[3][MAX_LITERAL_POOL_SIZE]; | |
4287 | char verifystr[MAX_LITERAL_POOL_SIZE]; | |
4288 | struct score_it inst_backup; | |
4289 | struct score_it inst_expand[3]; | |
4290 | struct score_it inst_main; | |
4291 | ||
4292 | memcpy (&inst_backup, &inst, sizeof (struct score_it)); | |
4293 | strcpy (verifystr, str); | |
4294 | backup_str = verifystr; | |
4295 | ||
4296 | skip_whitespace (backup_str); | |
4297 | if ((reg_rd = reg_required_here (&backup_str, -1, REG_TYPE_SCORE)) == (int) FAIL) | |
4298 | return; | |
4299 | ||
4300 | if (skip_past_comma (&backup_str) == (int) FAIL) | |
4301 | return; | |
4302 | ||
4303 | label_str = backup_str; | |
4304 | ||
4305 | /* Ld/st rD, [rA, imm] ld/st rD, [rA]+, imm ld/st rD, [rA, imm]+. */ | |
4306 | if (*backup_str == '[') | |
4307 | { | |
b138abaa | 4308 | inst.type = Rd_rvalueRs_preSI12; |
1c0d3aa6 NC |
4309 | do_ldst_insn (str); |
4310 | return; | |
4311 | } | |
4312 | ||
4313 | /* Ld/st rD, imm. */ | |
4314 | absolute_value = backup_str; | |
b138abaa | 4315 | inst.type = Rd_rvalueRs_SI15; |
1c0d3aa6 NC |
4316 | if ((my_get_expression (&inst.reloc.exp, &backup_str) == (int) FAIL) |
4317 | || (validate_immediate (inst.reloc.exp.X_add_number, _VALUE) == (int) FAIL) | |
4318 | || (end_of_line (backup_str) == (int) FAIL)) | |
4319 | { | |
4320 | return; | |
4321 | } | |
4322 | else | |
4323 | { | |
4324 | if (inst.reloc.exp.X_add_symbol == 0) | |
4325 | { | |
4326 | memcpy (&inst, &inst_backup, sizeof (struct score_it)); | |
4327 | exp_macro_ldst_abs (str); | |
4328 | return; | |
4329 | } | |
4330 | } | |
4331 | ||
4332 | /* Ld/st rD, label. */ | |
b138abaa | 4333 | inst.type = Rd_rvalueRs_SI15; |
1c0d3aa6 NC |
4334 | backup_str = absolute_value; |
4335 | if ((data_op2 (&backup_str, 1, _GP_IMM15) == (int) FAIL) | |
4336 | || (end_of_line (backup_str) == (int) FAIL)) | |
4337 | { | |
4338 | return; | |
4339 | } | |
4340 | else | |
4341 | { | |
4342 | if (inst.reloc.exp.X_add_symbol == 0) | |
4343 | { | |
4344 | if (!inst.error) | |
4345 | inst.error = BAD_ARGS; | |
4346 | ||
4347 | return; | |
4348 | } | |
4349 | ||
4350 | if (score_pic == PIC) | |
4351 | { | |
4352 | build_lw_pic (reg_rd, inst.reloc.exp); | |
4353 | return; | |
4354 | } | |
4355 | else | |
4356 | { | |
4357 | if ((inst.reloc.exp.X_add_number <= 0x3fff) | |
4358 | && (inst.reloc.exp.X_add_number >= -0x4000) | |
4359 | && (!nopic_need_relax (inst.reloc.exp.X_add_symbol, 1))) | |
4360 | { | |
4361 | int ldst_idx = 0; | |
4362 | ||
4363 | /* Assign the real opcode. */ | |
4364 | ldst_idx = inst.instruction & OPC_PSEUDOLDST_MASK; | |
4365 | inst.instruction &= ~OPC_PSEUDOLDST_MASK; | |
4366 | inst.instruction |= score_ldst_insns[ldst_idx * 3 + 0].value; | |
4367 | inst.instruction |= reg_rd << 20; | |
4368 | inst.instruction |= GP << 15; | |
4369 | inst.relax_inst = 0x8000; | |
4370 | inst.relax_size = 0; | |
4371 | ldst_gp_p = 1; | |
4372 | } | |
4373 | } | |
4374 | } | |
4375 | ||
4376 | /* Backup inst. */ | |
4377 | memcpy (&inst_main, &inst, sizeof (struct score_it)); | |
4378 | r1_bak = nor1; | |
4379 | nor1 = 0; | |
4380 | ||
4381 | /* Determine which instructions should be output. */ | |
4382 | sprintf (append_str[0], "ld_i32hi r1, %s", label_str); | |
4383 | sprintf (append_str[1], "ld_i32lo r1, %s", label_str); | |
4384 | sprintf (append_str[2], "%s r%d, [r1, 0]", inst_backup.name, reg_rd); | |
4385 | ||
4386 | /* Generate three instructions. | |
4387 | la r1, label | |
4388 | ld/st rd, [r1, 0] */ | |
4389 | for (i = 0; i < 3; i++) | |
4390 | { | |
4391 | if (append_insn (append_str[i], FALSE) == (int) FAIL) | |
4392 | return; | |
4393 | ||
4394 | memcpy (&inst_expand[i], &inst, sizeof (struct score_it)); | |
4395 | } | |
4396 | ||
4397 | if (ldst_gp_p) | |
4398 | { | |
4399 | char *p; | |
4400 | ||
4401 | /* Adjust instruction opcode and to be relaxed instruction opcode. */ | |
4402 | inst_main.instruction = adjust_paritybit (inst_main.instruction, GET_INSN_CLASS (inst_main.type)); | |
4403 | inst_main.relax_size = inst_expand[0].size + inst_expand[1].size + inst_expand[2].size; | |
4404 | inst_main.type = Insn_GP; | |
4405 | ||
4406 | for (i = 0; i < 3; i++) | |
4407 | inst_expand[i].instruction = adjust_paritybit (inst_expand[i].instruction | |
4408 | , GET_INSN_CLASS (inst_expand[i].type)); | |
4409 | ||
4410 | /* Check data dependency. */ | |
4411 | handle_dependency (&inst_main); | |
4412 | ||
4413 | /* Start a new frag if frag_now is not empty. */ | |
4414 | if (frag_now_fix () != 0) | |
4415 | { | |
4416 | if (!frag_now->tc_frag_data.is_insn) | |
4417 | frag_wane (frag_now); | |
4418 | ||
4419 | frag_new (0); | |
4420 | } | |
4421 | frag_grow (20); | |
4422 | ||
4423 | /* Write fr_fix part. */ | |
4424 | p = frag_more (inst_main.size); | |
4425 | md_number_to_chars (p, inst_main.instruction, inst_main.size); | |
4426 | ||
4427 | if (inst_main.reloc.type != BFD_RELOC_NONE) | |
4428 | { | |
4429 | fix_new_score (frag_now, p - frag_now->fr_literal, inst_main.size, | |
4430 | &inst_main.reloc.exp, inst_main.reloc.pc_rel, inst_main.reloc.type); | |
4431 | } | |
4432 | ||
4433 | #ifdef OBJ_ELF | |
4434 | dwarf2_emit_insn (inst_main.size); | |
4435 | #endif | |
4436 | ||
4437 | /* GP instruction can not do optimization, only can do relax between | |
4438 | 1 instruction and 3 instructions. */ | |
4439 | p = frag_var (rs_machine_dependent, inst_main.relax_size + RELAX_PAD_BYTE, 0, | |
4440 | RELAX_ENCODE (inst_main.size, inst_main.relax_size, inst_main.type, 0, 4, 0), | |
4441 | inst_main.reloc.exp.X_add_symbol, 0, NULL); | |
4442 | ||
4443 | /* Write fr_var part. | |
4444 | no calling gen_insn_frag, no fixS will be generated. */ | |
4445 | md_number_to_chars (p, inst_expand[0].instruction, inst_expand[0].size); | |
4446 | p += inst_expand[0].size; | |
4447 | md_number_to_chars (p, inst_expand[1].instruction, inst_expand[1].size); | |
4448 | p += inst_expand[1].size; | |
4449 | md_number_to_chars (p, inst_expand[2].instruction, inst_expand[2].size); | |
4450 | } | |
4451 | else | |
4452 | { | |
4453 | gen_insn_frag (&inst_expand[0], NULL); | |
4454 | gen_insn_frag (&inst_expand[1], NULL); | |
4455 | gen_insn_frag (&inst_expand[2], NULL); | |
4456 | } | |
4457 | nor1 = r1_bak; | |
4458 | ||
4459 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ | |
4460 | inst.bwarn = -1; | |
4461 | } | |
4462 | ||
4463 | static void | |
4464 | do_lw_pic (char *str) | |
4465 | { | |
4466 | int reg_rd; | |
4467 | ||
4468 | skip_whitespace (str); | |
4469 | if (((reg_rd = reg_required_here (&str, 20, REG_TYPE_SCORE)) == (int) FAIL) | |
4470 | || (skip_past_comma (&str) == (int) FAIL) | |
4471 | || (my_get_expression (&inst.reloc.exp, &str) == (int) FAIL) | |
4472 | || (end_of_line (str) == (int) FAIL)) | |
4473 | { | |
4474 | return; | |
4475 | } | |
4476 | else | |
4477 | { | |
4478 | if (inst.reloc.exp.X_add_symbol == 0) | |
4479 | { | |
4480 | if (!inst.error) | |
4481 | inst.error = BAD_ARGS; | |
4482 | ||
4483 | return; | |
4484 | } | |
4485 | ||
4486 | inst.instruction |= GP << 15; | |
4487 | inst.reloc.type = BFD_RELOC_SCORE_GOT15; | |
4488 | } | |
4489 | } | |
4490 | ||
4491 | static void | |
4492 | do_empty (char *str) | |
4493 | { | |
4494 | str = str; | |
4495 | if (university_version == 1) | |
4496 | { | |
4497 | if (((inst.instruction & 0x3e0003ff) == 0x0c000004) | |
4498 | || ((inst.instruction & 0x3e0003ff) == 0x0c000024) | |
4499 | || ((inst.instruction & 0x3e0003ff) == 0x0c000044) | |
4500 | || ((inst.instruction & 0x3e0003ff) == 0x0c000064)) | |
4501 | { | |
4502 | inst.error = ERR_FOR_SCORE5U_MMU; | |
4503 | return; | |
4504 | } | |
4505 | } | |
4506 | if (end_of_line (str) == (int) FAIL) | |
4507 | return; | |
4508 | ||
4509 | if (inst.relax_inst != 0x8000) | |
4510 | { | |
4511 | if (inst.type == NO_OPD) | |
4512 | { | |
4513 | inst.relax_size = 2; | |
4514 | } | |
4515 | else | |
4516 | { | |
4517 | inst.relax_size = 4; | |
4518 | } | |
4519 | } | |
4520 | } | |
4521 | ||
4522 | static void | |
4523 | do_jump (char *str) | |
4524 | { | |
4525 | char *save_in; | |
4526 | char err_msg[100]; | |
4527 | ||
4528 | skip_whitespace (str); | |
4529 | if (my_get_expression (&inst.reloc.exp, &str) == (int) FAIL | |
4530 | || end_of_line (str) == (int) FAIL) | |
4531 | return; | |
4532 | ||
4533 | if (inst.reloc.exp.X_add_symbol == 0) | |
4534 | { | |
4535 | inst.error = _("lacking label "); | |
4536 | return; | |
4537 | } | |
4538 | ||
4539 | if (((inst.reloc.exp.X_add_number & 0xff000000) != 0) | |
4540 | && ((inst.reloc.exp.X_add_number & 0xff000000) != 0xff000000)) | |
4541 | { | |
4542 | sprintf (err_msg, "invalid constant: 25 bit expression not in range -2^24..2^24"); | |
4543 | inst.error = _(err_msg); | |
4544 | return; | |
4545 | } | |
4546 | ||
4547 | save_in = input_line_pointer; | |
4548 | input_line_pointer = str; | |
4549 | inst.reloc.type = BFD_RELOC_SCORE_JMP; | |
4550 | inst.reloc.pc_rel = 1; | |
4551 | input_line_pointer = save_in; | |
4552 | } | |
4553 | ||
4554 | static void | |
4555 | do16_jump (char *str) | |
4556 | { | |
4557 | skip_whitespace (str); | |
4558 | if (my_get_expression (&inst.reloc.exp, &str) == (int) FAIL | |
4559 | || end_of_line (str) == (int) FAIL) | |
4560 | { | |
4561 | return; | |
4562 | } | |
4563 | else if (inst.reloc.exp.X_add_symbol == 0) | |
4564 | { | |
4565 | inst.error = _("lacking label "); | |
4566 | return; | |
4567 | } | |
4568 | else if (((inst.reloc.exp.X_add_number & 0xfffff800) != 0) | |
4569 | && ((inst.reloc.exp.X_add_number & 0xfffff800) != 0xfffff800)) | |
4570 | { | |
4571 | inst.error = _("invalid constant: 12 bit expression not in range -2^11..2^11"); | |
4572 | return; | |
4573 | } | |
4574 | ||
4575 | inst.reloc.type = BFD_RELOC_SCORE16_JMP; | |
4576 | inst.reloc.pc_rel = 1; | |
4577 | } | |
4578 | ||
4579 | static void | |
4580 | do_branch (char *str) | |
4581 | { | |
4582 | unsigned long abs_value = 0; | |
4583 | ||
4584 | if (my_get_expression (&inst.reloc.exp, &str) == (int) FAIL | |
4585 | || end_of_line (str) == (int) FAIL) | |
4586 | { | |
4587 | return; | |
4588 | } | |
4589 | else if (inst.reloc.exp.X_add_symbol == 0) | |
4590 | { | |
4591 | inst.error = _("lacking label "); | |
4592 | return; | |
4593 | } | |
4594 | else if (((inst.reloc.exp.X_add_number & 0xff000000) != 0) | |
4595 | && ((inst.reloc.exp.X_add_number & 0xff000000) != 0xff000000)) | |
4596 | { | |
4597 | inst.error = "invalid constant: 20 bit expression not in range -2^19..2^19"; | |
4598 | return; | |
4599 | } | |
4600 | ||
4601 | inst.reloc.type = BFD_RELOC_SCORE_BRANCH; | |
4602 | inst.reloc.pc_rel = 1; | |
4603 | ||
4604 | /* Branch 32 offset field : 20 bit, 16 bit branch offset field : 8 bit. */ | |
4605 | inst.instruction |= (inst.reloc.exp.X_add_number & 0x3fe) | ((inst.reloc.exp.X_add_number & 0xffc00) << 5); | |
4606 | ||
4607 | /* Take the branch condition code. */ | |
4608 | inst.relax_inst = 0x4000 | (((inst.instruction >> 10) & 0xf) << 8); | |
4609 | ||
4610 | if ((abs_value & 0xfffffe00) == 0) | |
4611 | { | |
4612 | inst.relax_inst |= ((inst.reloc.exp.X_add_number >> 1) & 0xff); | |
4613 | inst.relax_size = 2; | |
4614 | } | |
4615 | else | |
4616 | { | |
4617 | inst.relax_inst = 0x8000; | |
4618 | } | |
4619 | ||
4620 | if (inst.instruction & 1) | |
4621 | inst.relax_inst = 0x8000; | |
4622 | } | |
4623 | ||
4624 | static void | |
4625 | do16_branch (char *str) | |
4626 | { | |
4627 | if ((my_get_expression (&inst.reloc.exp, &str) == (int) FAIL | |
4628 | || end_of_line (str) == (int) FAIL)) | |
4629 | { | |
4630 | ; | |
4631 | } | |
4632 | else if (inst.reloc.exp.X_add_symbol == 0) | |
4633 | { | |
4634 | inst.error = _("lacking label"); | |
4635 | } | |
4636 | else if (((inst.reloc.exp.X_add_number & 0xffffff00) != 0) | |
4637 | && ((inst.reloc.exp.X_add_number & 0xffffff00) != 0xffffff00)) | |
4638 | { | |
4639 | inst.error = _("invalid constant: 9 bit expression not in range -2^8..2^8"); | |
4640 | } | |
4641 | else | |
4642 | { | |
4643 | inst.reloc.type = BFD_RELOC_SCORE16_BRANCH; | |
4644 | inst.reloc.pc_rel = 1; | |
4645 | inst.instruction |= ((inst.reloc.exp.X_add_number >> 1) & 0xff); | |
4646 | } | |
4647 | } | |
4648 | ||
4649 | /* Iterate over the base tables to create the instruction patterns. */ | |
4650 | static void | |
4651 | build_score_ops_hsh (void) | |
4652 | { | |
4653 | unsigned int i; | |
4654 | static struct obstack insn_obstack; | |
4655 | ||
4656 | obstack_begin (&insn_obstack, 4000); | |
4657 | for (i = 0; i < sizeof (score_insns) / sizeof (struct asm_opcode); i++) | |
4658 | { | |
4659 | const struct asm_opcode *insn = score_insns + i; | |
4660 | unsigned len = strlen (insn->template); | |
4661 | struct asm_opcode *new; | |
4662 | char *template; | |
4663 | new = obstack_alloc (&insn_obstack, sizeof (struct asm_opcode)); | |
4664 | template = obstack_alloc (&insn_obstack, len + 1); | |
4665 | ||
4666 | strcpy (template, insn->template); | |
4667 | new->template = template; | |
4668 | new->parms = insn->parms; | |
4669 | new->value = insn->value; | |
4670 | new->relax_value = insn->relax_value; | |
4671 | new->type = insn->type; | |
4672 | new->bitmask = insn->bitmask; | |
4673 | hash_insert (score_ops_hsh, new->template, (void *) new); | |
4674 | } | |
4675 | } | |
4676 | ||
4677 | static void | |
4678 | build_dependency_insn_hsh (void) | |
4679 | { | |
4680 | unsigned int i; | |
4681 | static struct obstack dependency_obstack; | |
4682 | ||
4683 | obstack_begin (&dependency_obstack, 4000); | |
4684 | for (i = 0; i < sizeof (insn_to_dependency_table) / sizeof (insn_to_dependency_table[0]); i++) | |
4685 | { | |
4686 | const struct insn_to_dependency *tmp = insn_to_dependency_table + i; | |
4687 | unsigned len = strlen (tmp->insn_name); | |
4688 | struct insn_to_dependency *new; | |
4689 | ||
4690 | new = obstack_alloc (&dependency_obstack, sizeof (struct insn_to_dependency)); | |
4691 | new->insn_name = obstack_alloc (&dependency_obstack, len + 1); | |
4692 | ||
4693 | strcpy (new->insn_name, tmp->insn_name); | |
4694 | new->type = tmp->type; | |
4695 | hash_insert (dependency_insn_hsh, new->insn_name, (void *) new); | |
4696 | } | |
4697 | } | |
4698 | ||
4699 | /* Turn an integer of n bytes (in val) into a stream of bytes appropriate | |
4700 | for use in the a.out file, and stores them in the array pointed to by buf. | |
4701 | This knows about the endian-ness of the target machine and does | |
4702 | THE RIGHT THING, whatever it is. Possible values for n are 1 (byte) | |
4703 | 2 (short) and 4 (long) Floating numbers are put out as a series of | |
4704 | LITTLENUMS (shorts, here at least). */ | |
4705 | ||
4706 | void | |
4707 | md_number_to_chars (char *buf, valueT val, int n) | |
4708 | { | |
4709 | if (target_big_endian) | |
4710 | number_to_chars_bigendian (buf, val, n); | |
4711 | else | |
4712 | number_to_chars_littleendian (buf, val, n); | |
4713 | } | |
4714 | ||
4715 | static valueT | |
4716 | md_chars_to_number (char *buf, int n) | |
4717 | { | |
4718 | valueT result = 0; | |
4719 | unsigned char *where = (unsigned char *)buf; | |
4720 | ||
4721 | if (target_big_endian) | |
4722 | { | |
4723 | while (n--) | |
4724 | { | |
4725 | result <<= 8; | |
4726 | result |= (*where++ & 255); | |
4727 | } | |
4728 | } | |
4729 | else | |
4730 | { | |
4731 | while (n--) | |
4732 | { | |
4733 | result <<= 8; | |
4734 | result |= (where[n] & 255); | |
4735 | } | |
4736 | } | |
4737 | ||
4738 | return result; | |
4739 | } | |
4740 | ||
4741 | /* Turn a string in input_line_pointer into a floating point constant | |
4742 | of type TYPE, and store the appropriate bytes in *LITP. The number | |
4743 | of LITTLENUMS emitted is stored in *SIZEP. An error message is | |
4744 | returned, or NULL on OK. | |
4745 | ||
4746 | Note that fp constants aren't represent in the normal way on the ARM. | |
4747 | In big endian mode, things are as expected. However, in little endian | |
4748 | mode fp constants are big-endian word-wise, and little-endian byte-wise | |
4749 | within the words. For example, (double) 1.1 in big endian mode is | |
4750 | the byte sequence 3f f1 99 99 99 99 99 9a, and in little endian mode is | |
4751 | the byte sequence 99 99 f1 3f 9a 99 99 99. */ | |
4752 | ||
4753 | char * | |
4754 | md_atof (int type, char *litP, int *sizeP) | |
4755 | { | |
4756 | int prec; | |
4757 | LITTLENUM_TYPE words[MAX_LITTLENUMS]; | |
4758 | char *t; | |
4759 | int i; | |
4760 | ||
4761 | switch (type) | |
4762 | { | |
4763 | case 'f': | |
4764 | case 'F': | |
4765 | case 's': | |
4766 | case 'S': | |
4767 | prec = 2; | |
4768 | break; | |
4769 | case 'd': | |
4770 | case 'D': | |
4771 | case 'r': | |
4772 | case 'R': | |
4773 | prec = 4; | |
4774 | break; | |
4775 | case 'x': | |
4776 | case 'X': | |
4777 | case 'p': | |
4778 | case 'P': | |
4779 | prec = 6; | |
4780 | break; | |
4781 | default: | |
4782 | *sizeP = 0; | |
4783 | return _("bad call to MD_ATOF()"); | |
4784 | } | |
4785 | ||
4786 | t = atof_ieee (input_line_pointer, type, words); | |
4787 | if (t) | |
4788 | input_line_pointer = t; | |
4789 | *sizeP = prec * 2; | |
4790 | ||
4791 | if (target_big_endian) | |
4792 | { | |
4793 | for (i = 0; i < prec; i++) | |
4794 | { | |
4795 | md_number_to_chars (litP, (valueT) words[i], 2); | |
4796 | litP += 2; | |
4797 | } | |
4798 | } | |
4799 | else | |
4800 | { | |
4801 | for (i = 0; i < prec; i += 2) | |
4802 | { | |
4803 | md_number_to_chars (litP, (valueT) words[i + 1], 2); | |
4804 | md_number_to_chars (litP + 2, (valueT) words[i], 2); | |
4805 | litP += 4; | |
4806 | } | |
4807 | } | |
4808 | ||
4809 | return 0; | |
4810 | } | |
4811 | ||
4812 | /* Return true if the given symbol should be considered local for PIC. */ | |
4813 | ||
4814 | static bfd_boolean | |
4815 | pic_need_relax (symbolS *sym, asection *segtype) | |
4816 | { | |
4817 | asection *symsec; | |
4818 | bfd_boolean linkonce; | |
4819 | ||
4820 | /* Handle the case of a symbol equated to another symbol. */ | |
4821 | while (symbol_equated_reloc_p (sym)) | |
4822 | { | |
4823 | symbolS *n; | |
4824 | ||
4825 | /* It's possible to get a loop here in a badly written | |
4826 | program. */ | |
4827 | n = symbol_get_value_expression (sym)->X_add_symbol; | |
4828 | if (n == sym) | |
4829 | break; | |
4830 | sym = n; | |
4831 | } | |
4832 | ||
4833 | symsec = S_GET_SEGMENT (sym); | |
4834 | ||
4835 | /* duplicate the test for LINK_ONCE sections as in adjust_reloc_syms */ | |
4836 | linkonce = FALSE; | |
4837 | if (symsec != segtype && ! S_IS_LOCAL (sym)) | |
4838 | { | |
4839 | if ((bfd_get_section_flags (stdoutput, symsec) & SEC_LINK_ONCE) != 0) | |
4840 | linkonce = TRUE; | |
4841 | ||
4842 | /* The GNU toolchain uses an extension for ELF: a section | |
4843 | beginning with the magic string .gnu.linkonce is a linkonce | |
4844 | section. */ | |
4845 | if (strncmp (segment_name (symsec), ".gnu.linkonce", | |
4846 | sizeof ".gnu.linkonce" - 1) == 0) | |
4847 | linkonce = TRUE; | |
4848 | } | |
4849 | ||
4850 | /* This must duplicate the test in adjust_reloc_syms. */ | |
4851 | return (symsec != &bfd_und_section | |
4852 | && symsec != &bfd_abs_section | |
4853 | && ! bfd_is_com_section (symsec) | |
4854 | && !linkonce | |
4855 | #ifdef OBJ_ELF | |
4856 | /* A global or weak symbol is treated as external. */ | |
4857 | && (OUTPUT_FLAVOR != bfd_target_elf_flavour | |
4858 | || (! S_IS_WEAK (sym) && ! S_IS_EXTERNAL (sym))) | |
4859 | #endif | |
4860 | ); | |
4861 | } | |
4862 | ||
4863 | static int | |
4864 | judge_size_before_relax (fragS * fragp, asection *sec) | |
4865 | { | |
4866 | int change = 0; | |
4867 | ||
4868 | if (score_pic == NO_PIC) | |
4869 | change = nopic_need_relax (fragp->fr_symbol, 0); | |
4870 | else | |
4871 | change = pic_need_relax (fragp->fr_symbol, sec); | |
4872 | ||
4873 | if (change == 1) | |
4874 | { | |
4875 | /* Only at the first time determining whether GP instruction relax should be done, | |
4876 | return the difference between insntruction size and instruction relax size. */ | |
4877 | if (fragp->fr_opcode == NULL) | |
4878 | { | |
4879 | fragp->fr_fix = RELAX_NEW (fragp->fr_subtype); | |
4880 | fragp->fr_opcode = fragp->fr_literal + RELAX_RELOC1 (fragp->fr_subtype); | |
4881 | return RELAX_NEW (fragp->fr_subtype) - RELAX_OLD (fragp->fr_subtype); | |
4882 | } | |
4883 | } | |
4884 | ||
4885 | return 0; | |
4886 | } | |
4887 | ||
4888 | /* In this function, we determine whether GP instruction should do relaxation, | |
4889 | for the label being against was known now. | |
4890 | Doing this here but not in md_relax_frag() can induce iteration times | |
4891 | in stage of doing relax. */ | |
4892 | int | |
4893 | md_estimate_size_before_relax (fragS * fragp, asection * sec ATTRIBUTE_UNUSED) | |
4894 | { | |
4895 | if ((RELAX_TYPE (fragp->fr_subtype) == Insn_GP) | |
4896 | || (RELAX_TYPE (fragp->fr_subtype) == Insn_PIC)) | |
4897 | return judge_size_before_relax (fragp, sec); | |
4898 | ||
4899 | return 0; | |
4900 | } | |
4901 | ||
4902 | static int | |
4903 | b32_relax_to_b16 (fragS * fragp) | |
4904 | { | |
4905 | int grows = 0; | |
4906 | int relaxable_p = 0; | |
4907 | int old; | |
4908 | int new; | |
4909 | int frag_addr = fragp->fr_address + fragp->insn_addr; | |
4910 | ||
4911 | addressT symbol_address = 0; | |
4912 | symbolS *s; | |
4913 | offsetT offset; | |
4914 | unsigned long value; | |
4915 | unsigned long abs_value; | |
4916 | ||
4917 | /* FIXME : here may be able to modify better . | |
4918 | I don't know how to get the fragp's section , | |
4919 | so in relax stage , it may be wrong to calculate the symbol's offset when the frag's section | |
4920 | is different from the symbol's. */ | |
4921 | ||
4922 | old = RELAX_OLD (fragp->fr_subtype); | |
4923 | new = RELAX_NEW (fragp->fr_subtype); | |
4924 | relaxable_p = RELAX_OPT (fragp->fr_subtype); | |
4925 | ||
4926 | s = fragp->fr_symbol; | |
4927 | /* b/bl immediate */ | |
4928 | if (s == NULL) | |
4929 | frag_addr = 0; | |
4930 | else | |
4931 | { | |
4932 | if (s->bsym != 0) | |
4933 | symbol_address = (addressT) s->sy_frag->fr_address; | |
4934 | } | |
4935 | ||
4936 | value = md_chars_to_number (fragp->fr_literal, INSN_SIZE); | |
4937 | ||
4938 | /* b 32's offset : 20 bit, b 16's tolerate field : 0xff. */ | |
4939 | offset = ((value & 0x3ff0000) >> 6) | (value & 0x3fe); | |
4940 | if ((offset & 0x80000) == 0x80000) | |
4941 | offset |= 0xfff00000; | |
4942 | ||
4943 | abs_value = offset + symbol_address - frag_addr; | |
4944 | if ((abs_value & 0x80000000) == 0x80000000) | |
4945 | abs_value = 0xffffffff - abs_value + 1; | |
4946 | ||
4947 | /* Relax branch 32 to branch 16. */ | |
4948 | if (relaxable_p && (s->bsym != NULL) && ((abs_value & 0xffffff00) == 0) | |
4949 | && (S_IS_DEFINED (s) && !S_IS_COMMON (s) && !S_IS_EXTERNAL (s))) | |
4950 | { | |
4951 | /* do nothing. */ | |
4952 | } | |
4953 | else | |
4954 | { | |
4955 | /* Branch 32 can not be relaxed to b 16, so clear OPT bit. */ | |
4956 | fragp->fr_opcode = NULL; | |
4957 | fragp->fr_subtype = RELAX_OPT_CLEAR (fragp->fr_subtype); | |
4958 | } | |
4959 | ||
4960 | return grows; | |
4961 | } | |
4962 | ||
4963 | /* Main purpose is to determine whether one frag should do relax. | |
4964 | frag->fr_opcode indicates this point. */ | |
4965 | ||
4966 | int | |
4967 | score_relax_frag (asection * sec ATTRIBUTE_UNUSED, fragS * fragp, long stretch ATTRIBUTE_UNUSED) | |
4968 | { | |
4969 | int grows = 0; | |
4970 | int insn_size; | |
4971 | int insn_relax_size; | |
4972 | int do_relax_p = 0; /* Indicate doing relaxation for this frag. */ | |
4973 | int relaxable_p = 0; | |
4974 | bfd_boolean word_align_p = FALSE; | |
4975 | fragS *next_fragp; | |
4976 | ||
4977 | /* If the instruction address is odd, make it half word align first. */ | |
4978 | if ((fragp->fr_address) % 2 != 0) | |
4979 | { | |
4980 | if ((fragp->fr_address + fragp->insn_addr) % 2 != 0) | |
4981 | { | |
4982 | fragp->insn_addr = 1; | |
4983 | grows += 1; | |
4984 | } | |
4985 | } | |
4986 | ||
4987 | word_align_p = ((fragp->fr_address + fragp->insn_addr) % 4 == 0) ? TRUE : FALSE; | |
4988 | ||
4989 | /* Get instruction size and relax size after the last relaxation. */ | |
4990 | if (fragp->fr_opcode) | |
4991 | { | |
4992 | insn_size = RELAX_NEW (fragp->fr_subtype); | |
4993 | insn_relax_size = RELAX_OLD (fragp->fr_subtype); | |
4994 | } | |
4995 | else | |
4996 | { | |
4997 | insn_size = RELAX_OLD (fragp->fr_subtype); | |
4998 | insn_relax_size = RELAX_NEW (fragp->fr_subtype); | |
4999 | } | |
5000 | ||
5001 | /* Handle specially for GP instruction. for, judge_size_before_relax() has already determine | |
5002 | whether the GP instruction should do relax. */ | |
5003 | if ((RELAX_TYPE (fragp->fr_subtype) == Insn_GP) | |
5004 | || (RELAX_TYPE (fragp->fr_subtype) == Insn_PIC)) | |
5005 | { | |
5006 | if (!word_align_p) | |
5007 | { | |
5008 | fragp->insn_addr += 2; | |
5009 | grows += 2; | |
5010 | } | |
5011 | ||
5012 | if (fragp->fr_opcode) | |
5013 | fragp->fr_fix = RELAX_NEW (fragp->fr_subtype) + fragp->insn_addr; | |
5014 | else | |
5015 | fragp->fr_fix = RELAX_OLD (fragp->fr_subtype) + fragp->insn_addr; | |
5016 | } | |
5017 | else | |
5018 | { | |
5019 | if (RELAX_TYPE (fragp->fr_subtype) == PC_DISP19div2) | |
5020 | b32_relax_to_b16 (fragp); | |
5021 | ||
5022 | relaxable_p = RELAX_OPT (fragp->fr_subtype); | |
5023 | next_fragp = fragp->fr_next; | |
5024 | while ((next_fragp) && (next_fragp->fr_type != rs_machine_dependent)) | |
5025 | { | |
5026 | next_fragp = next_fragp->fr_next; | |
5027 | } | |
5028 | ||
5029 | if (next_fragp) | |
5030 | { | |
5031 | int n_insn_size; | |
5032 | int n_relaxable_p = 0; | |
5033 | ||
5034 | if (next_fragp->fr_opcode) | |
5035 | { | |
5036 | n_insn_size = RELAX_NEW (next_fragp->fr_subtype); | |
5037 | } | |
5038 | else | |
5039 | { | |
5040 | n_insn_size = RELAX_OLD (next_fragp->fr_subtype); | |
5041 | } | |
5042 | ||
5043 | n_relaxable_p = RELAX_OPT (next_fragp->fr_subtype); | |
5044 | ||
5045 | if (word_align_p) | |
5046 | { | |
5047 | if (insn_size == 4) | |
5048 | { | |
5049 | /* 32 -> 16. */ | |
5050 | if (relaxable_p && ((n_insn_size == 2) || n_relaxable_p)) | |
5051 | { | |
5052 | grows -= 2; | |
5053 | do_relax_p = 1; | |
5054 | } | |
5055 | } | |
5056 | else if (insn_size == 2) | |
5057 | { | |
5058 | /* 16 -> 32. */ | |
5059 | if (relaxable_p && ((n_insn_size == 4) && !n_relaxable_p)) | |
5060 | { | |
5061 | grows += 2; | |
5062 | do_relax_p = 1; | |
5063 | } | |
5064 | } | |
5065 | else | |
5066 | { | |
5067 | abort (); | |
5068 | } | |
5069 | } | |
5070 | else | |
5071 | { | |
5072 | if (insn_size == 4) | |
5073 | { | |
5074 | /* 32 -> 16. */ | |
5075 | if (relaxable_p) | |
5076 | { | |
5077 | grows -= 2; | |
5078 | do_relax_p = 1; | |
5079 | } | |
5080 | /* Make the 32 bit insturction word align. */ | |
5081 | else | |
5082 | { | |
5083 | fragp->insn_addr += 2; | |
5084 | grows += 2; | |
5085 | } | |
5086 | } | |
5087 | else if (insn_size == 2) | |
5088 | { | |
5089 | /* Do nothing. */ | |
5090 | } | |
5091 | else | |
5092 | { | |
5093 | abort (); | |
5094 | } | |
5095 | } | |
5096 | } | |
5097 | else | |
5098 | { | |
5099 | /* Here, try best to do relax regardless fragp->fr_next->fr_type. */ | |
5100 | if (word_align_p == FALSE) | |
5101 | { | |
5102 | if (insn_size % 4 == 0) | |
5103 | { | |
5104 | /* 32 -> 16. */ | |
5105 | if (relaxable_p) | |
5106 | { | |
5107 | grows -= 2; | |
5108 | do_relax_p = 1; | |
5109 | } | |
5110 | else | |
5111 | { | |
5112 | fragp->insn_addr += 2; | |
5113 | grows += 2; | |
5114 | } | |
5115 | } | |
5116 | } | |
5117 | else | |
5118 | { | |
5119 | /* Do nothing. */ | |
5120 | } | |
5121 | } | |
5122 | ||
5123 | /* fragp->fr_opcode indicates whether this frag should be relaxed. */ | |
5124 | if (do_relax_p) | |
5125 | { | |
5126 | if (fragp->fr_opcode) | |
5127 | { | |
5128 | fragp->fr_opcode = NULL; | |
5129 | /* Guarantee estimate stage is correct. */ | |
5130 | fragp->fr_fix = RELAX_OLD (fragp->fr_subtype); | |
5131 | fragp->fr_fix += fragp->insn_addr; | |
5132 | } | |
5133 | else | |
5134 | { | |
5135 | fragp->fr_opcode = fragp->fr_literal + RELAX_RELOC1 (fragp->fr_subtype); | |
5136 | /* Guarantee estimate stage is correct. */ | |
5137 | fragp->fr_fix = RELAX_NEW (fragp->fr_subtype); | |
5138 | fragp->fr_fix += fragp->insn_addr; | |
5139 | } | |
5140 | } | |
5141 | else | |
5142 | { | |
5143 | if (fragp->fr_opcode) | |
5144 | { | |
5145 | /* Guarantee estimate stage is correct. */ | |
5146 | fragp->fr_fix = RELAX_NEW (fragp->fr_subtype); | |
5147 | fragp->fr_fix += fragp->insn_addr; | |
5148 | } | |
5149 | else | |
5150 | { | |
5151 | /* Guarantee estimate stage is correct. */ | |
5152 | fragp->fr_fix = RELAX_OLD (fragp->fr_subtype); | |
5153 | fragp->fr_fix += fragp->insn_addr; | |
5154 | } | |
5155 | } | |
5156 | } | |
5157 | ||
5158 | return grows; | |
5159 | } | |
5160 | ||
5161 | void | |
5162 | md_convert_frag (bfd * abfd ATTRIBUTE_UNUSED, segT sec ATTRIBUTE_UNUSED, fragS * fragp) | |
5163 | { | |
5164 | int old; | |
5165 | int new; | |
5166 | char backup[20]; | |
5167 | fixS *fixp; | |
5168 | ||
5169 | old = RELAX_OLD (fragp->fr_subtype); | |
5170 | new = RELAX_NEW (fragp->fr_subtype); | |
5171 | ||
5172 | /* fragp->fr_opcode indicates whether this frag should be relaxed. */ | |
5173 | if (fragp->fr_opcode == NULL) | |
5174 | { | |
5175 | memcpy (backup, fragp->fr_literal, old); | |
5176 | fragp->fr_fix = old; | |
5177 | } | |
5178 | else | |
5179 | { | |
5180 | memcpy (backup, fragp->fr_literal + old, new); | |
5181 | fragp->fr_fix = new; | |
5182 | } | |
5183 | ||
5184 | fixp = fragp->tc_frag_data.fixp; | |
5185 | while (fixp && fixp->fx_frag == fragp && fixp->fx_where < old) | |
5186 | { | |
5187 | if (fragp->fr_opcode) | |
5188 | fixp->fx_done = 1; | |
5189 | fixp = fixp->fx_next; | |
5190 | } | |
5191 | while (fixp && fixp->fx_frag == fragp) | |
5192 | { | |
5193 | if (fragp->fr_opcode) | |
5194 | fixp->fx_where -= old + fragp->insn_addr; | |
5195 | else | |
5196 | fixp->fx_done = 1; | |
5197 | fixp = fixp->fx_next; | |
5198 | } | |
5199 | ||
5200 | if (fragp->insn_addr) | |
5201 | { | |
5202 | md_number_to_chars (fragp->fr_literal, 0x0, fragp->insn_addr); | |
5203 | } | |
5204 | memcpy (fragp->fr_literal + fragp->insn_addr, backup, fragp->fr_fix); | |
5205 | fragp->fr_fix += fragp->insn_addr; | |
5206 | } | |
5207 | ||
5208 | /* Implementation of md_frag_check. | |
5209 | Called after md_convert_frag(). */ | |
5210 | ||
5211 | void | |
5212 | score_frag_check (fragS * fragp ATTRIBUTE_UNUSED) | |
5213 | { | |
5214 | know (fragp->insn_addr <= RELAX_PAD_BYTE); | |
5215 | } | |
5216 | ||
5217 | bfd_boolean | |
5218 | score_fix_adjustable (fixS * fixP) | |
5219 | { | |
5220 | if (fixP->fx_addsy == NULL) | |
5221 | { | |
5222 | return 1; | |
5223 | } | |
5224 | else if (OUTPUT_FLAVOR == bfd_target_elf_flavour | |
5225 | && (S_IS_EXTERNAL (fixP->fx_addsy) || S_IS_WEAK (fixP->fx_addsy))) | |
5226 | { | |
5227 | return 0; | |
5228 | } | |
5229 | else if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT | |
5230 | || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY) | |
5231 | { | |
5232 | return 0; | |
5233 | } | |
5234 | ||
5235 | return 1; | |
5236 | } | |
5237 | ||
5238 | /* Implementation of TC_VALIDATE_FIX. | |
5239 | Called before md_apply_fix() and after md_convert_frag(). */ | |
5240 | void | |
5241 | score_validate_fix (fixS *fixP) | |
5242 | { | |
5243 | fixP->fx_where += fixP->fx_frag->insn_addr; | |
5244 | } | |
5245 | ||
5246 | long | |
5247 | md_pcrel_from (fixS * fixP) | |
5248 | { | |
5249 | long retval = 0; | |
5250 | ||
5251 | if (fixP->fx_addsy | |
5252 | && (S_GET_SEGMENT (fixP->fx_addsy) == undefined_section) | |
5253 | && (fixP->fx_subsy == NULL)) | |
5254 | { | |
5255 | retval = 0; | |
5256 | } | |
5257 | else | |
5258 | { | |
5259 | retval = fixP->fx_where + fixP->fx_frag->fr_address; | |
5260 | } | |
5261 | ||
5262 | return retval; | |
5263 | } | |
5264 | ||
5265 | int | |
5266 | score_force_relocation (struct fix *fixp) | |
5267 | { | |
5268 | int retval = 0; | |
5269 | ||
5270 | if (fixp->fx_r_type == BFD_RELOC_VTABLE_INHERIT | |
5271 | || fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY | |
5272 | || fixp->fx_r_type == BFD_RELOC_SCORE_JMP | |
5273 | || fixp->fx_r_type == BFD_RELOC_SCORE_BRANCH | |
5274 | || fixp->fx_r_type == BFD_RELOC_SCORE16_JMP | |
5275 | || fixp->fx_r_type == BFD_RELOC_SCORE16_BRANCH) | |
5276 | { | |
5277 | retval = 1; | |
5278 | } | |
5279 | ||
5280 | return retval; | |
5281 | } | |
5282 | ||
5283 | /* Round up a section size to the appropriate boundary. */ | |
5284 | valueT | |
5285 | md_section_align (segT segment ATTRIBUTE_UNUSED, valueT size) | |
5286 | { | |
5287 | int align = bfd_get_section_alignment (stdoutput, segment); | |
5288 | ||
5289 | #ifdef OBJ_ELF | |
5290 | /* We don't need to align ELF sections to the full alignment. | |
5291 | However, Irix 5 may prefer that we align them at least to a 16 | |
5292 | byte boundary. We don't bother to align the sections if we are | |
5293 | targeted for an embedded system. */ | |
5294 | if (strcmp (TARGET_OS, "elf") == 0) | |
5295 | return size; | |
5296 | if (align > 4) | |
5297 | align = 4; | |
5298 | #endif | |
5299 | ||
5300 | return ((size + (1 << align) - 1) & (-1 << align)); | |
5301 | } | |
5302 | ||
5303 | void | |
5304 | md_apply_fix (fixS *fixP, valueT *valP, segT seg) | |
5305 | { | |
5306 | offsetT value = *valP; | |
5307 | offsetT abs_value = 0; | |
5308 | offsetT newval; | |
5309 | offsetT content; | |
5310 | unsigned short HI, LO; | |
5311 | ||
5312 | char *buf = fixP->fx_frag->fr_literal + fixP->fx_where; | |
5313 | ||
5314 | assert (fixP->fx_r_type < BFD_RELOC_UNUSED); | |
5315 | if (fixP->fx_addsy == 0 && !fixP->fx_pcrel) | |
5316 | { | |
5317 | if (fixP->fx_r_type != BFD_RELOC_SCORE_DUMMY_HI16) | |
5318 | fixP->fx_done = 1; | |
5319 | } | |
5320 | ||
5321 | /* If this symbol is in a different section then we need to leave it for | |
5322 | the linker to deal with. Unfortunately, md_pcrel_from can't tell, | |
5323 | so we have to undo it's effects here. */ | |
5324 | if (fixP->fx_pcrel) | |
5325 | { | |
5326 | if (fixP->fx_addsy != NULL | |
5327 | && S_IS_DEFINED (fixP->fx_addsy) | |
5328 | && S_GET_SEGMENT (fixP->fx_addsy) != seg) | |
5329 | value += md_pcrel_from (fixP); | |
5330 | } | |
5331 | ||
5332 | /* Remember value for emit_reloc. */ | |
5333 | fixP->fx_addnumber = value; | |
5334 | ||
5335 | switch (fixP->fx_r_type) | |
5336 | { | |
5337 | case BFD_RELOC_HI16_S: | |
5338 | if (fixP->fx_done) | |
5339 | { /* For la rd, imm32. */ | |
5340 | newval = md_chars_to_number (buf, INSN_SIZE); | |
5341 | HI = (value) >> 16; /* mul to 2, then take the hi 16 bit. */ | |
5342 | newval |= (HI & 0x3fff) << 1; | |
5343 | newval |= ((HI >> 14) & 0x3) << 16; | |
5344 | md_number_to_chars (buf, newval, INSN_SIZE); | |
5345 | } | |
5346 | break; | |
5347 | case BFD_RELOC_LO16: | |
5348 | if (fixP->fx_done) /* For la rd, imm32. */ | |
5349 | { | |
5350 | newval = md_chars_to_number (buf, INSN_SIZE); | |
5351 | LO = (value) & 0xffff; | |
5352 | newval |= (LO & 0x3fff) << 1; /* 16 bit: imm -> 14 bit in lo, 2 bit in hi. */ | |
5353 | newval |= ((LO >> 14) & 0x3) << 16; | |
5354 | md_number_to_chars (buf, newval, INSN_SIZE); | |
5355 | } | |
5356 | break; | |
5357 | case BFD_RELOC_SCORE_JMP: | |
5358 | { | |
5359 | content = md_chars_to_number (buf, INSN_SIZE); | |
5360 | value = fixP->fx_offset; | |
5361 | content = (content & ~0x3ff7ffe) | ((value << 1) & 0x3ff0000) | (value & 0x7fff); | |
5362 | md_number_to_chars (buf, content, INSN_SIZE); | |
5363 | } | |
5364 | break; | |
5365 | case BFD_RELOC_SCORE_BRANCH: | |
5366 | if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) || (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy))) | |
5367 | value = fixP->fx_offset; | |
5368 | else | |
5369 | fixP->fx_done = 1; | |
5370 | ||
5371 | content = md_chars_to_number (buf, INSN_SIZE); | |
5372 | if ((fixP->fx_frag->fr_opcode != 0) && ((content & 0x80008000) != 0x80008000)) | |
5373 | { | |
5374 | if ((value & 0x80000000) == 0x80000000) | |
5375 | abs_value = 0xffffffff - value + 1; | |
5376 | if ((abs_value & 0xffffff00) != 0) | |
5377 | { | |
5378 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
5379 | _(" branch relocation truncate (0x%x) [-2^8 ~ 2^8]"), (unsigned int)value); | |
5380 | return; | |
5381 | } | |
5382 | content = md_chars_to_number (buf, INSN16_SIZE); | |
5383 | content &= 0xff00; | |
5384 | content = (content & 0xff00) | ((value >> 1) & 0xff); | |
5385 | md_number_to_chars (buf, content, INSN16_SIZE); | |
5386 | fixP->fx_r_type = BFD_RELOC_SCORE16_BRANCH; | |
5387 | fixP->fx_size = 2; | |
5388 | } | |
5389 | else | |
5390 | { | |
5391 | if ((value & 0x80000000) == 0x80000000) | |
5392 | abs_value = 0xffffffff - value + 1; | |
5393 | if ((abs_value & 0xfff80000) != 0) | |
5394 | { | |
5395 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
5396 | _(" branch relocation truncate (0x%x) [-2^19 ~ 2^19]"), (unsigned int)value); | |
5397 | return; | |
5398 | } | |
5399 | content = md_chars_to_number (buf, INSN_SIZE); | |
5400 | content &= 0xfc00fc01; | |
5401 | content = (content & 0xfc00fc01) | (value & 0x3fe) | ((value << 6) & 0x3ff0000); | |
5402 | md_number_to_chars (buf, content, INSN_SIZE); | |
5403 | } | |
5404 | break; | |
5405 | case BFD_RELOC_SCORE16_JMP: | |
5406 | content = md_chars_to_number (buf, INSN16_SIZE); | |
5407 | content &= 0xf001; | |
5408 | value = fixP->fx_offset & 0xfff; | |
5409 | content = (content & 0xfc01) | (value & 0xffe); | |
5410 | md_number_to_chars (buf, content, INSN16_SIZE); | |
5411 | break; | |
5412 | case BFD_RELOC_SCORE16_BRANCH: | |
5413 | content = md_chars_to_number (buf, INSN_SIZE); | |
5414 | if ((fixP->fx_frag->fr_opcode != 0) && ((content & 0x80008000) == 0x80008000)) | |
5415 | { | |
5416 | if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) || | |
5417 | (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy))) | |
5418 | value = fixP->fx_offset; | |
5419 | else | |
5420 | fixP->fx_done = 1; | |
5421 | if ((value & 0x80000000) == 0x80000000) | |
5422 | abs_value = 0xffffffff - value + 1; | |
5423 | if ((abs_value & 0xfff80000) != 0) | |
5424 | { | |
5425 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
5426 | _(" branch relocation truncate (0x%x) [-2^19 ~ 2^19]"), (unsigned int)value); | |
5427 | return; | |
5428 | } | |
5429 | content = md_chars_to_number (buf, INSN_SIZE); | |
5430 | content = (content & 0xfc00fc01) | (value & 0x3fe) | ((value << 6) & 0x3ff0000); | |
5431 | md_number_to_chars (buf, content, INSN_SIZE); | |
5432 | fixP->fx_r_type = BFD_RELOC_SCORE_BRANCH; | |
5433 | fixP->fx_size = 4; | |
5434 | break; | |
5435 | } | |
5436 | else | |
5437 | { | |
5438 | /* In differnt section. */ | |
5439 | if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) || | |
5440 | (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy))) | |
5441 | value = fixP->fx_offset; | |
5442 | else | |
5443 | fixP->fx_done = 1; | |
5444 | ||
5445 | if ((value & 0x80000000) == 0x80000000) | |
5446 | abs_value = 0xffffffff - value + 1; | |
5447 | if ((abs_value & 0xffffff00) != 0) | |
5448 | { | |
5449 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
5450 | _(" branch relocation truncate (0x%x) [-2^8 ~ 2^8]"), (unsigned int)value); | |
5451 | return; | |
5452 | } | |
5453 | content = md_chars_to_number (buf, INSN16_SIZE); | |
5454 | content = (content & 0xff00) | ((value >> 1) & 0xff); | |
5455 | md_number_to_chars (buf, content, INSN16_SIZE); | |
5456 | break; | |
5457 | } | |
5458 | case BFD_RELOC_8: | |
5459 | if (fixP->fx_done || fixP->fx_pcrel) | |
5460 | md_number_to_chars (buf, value, 1); | |
5461 | #ifdef OBJ_ELF | |
5462 | else | |
5463 | { | |
5464 | value = fixP->fx_offset; | |
5465 | md_number_to_chars (buf, value, 1); | |
5466 | } | |
5467 | #endif | |
5468 | break; | |
5469 | ||
5470 | case BFD_RELOC_16: | |
5471 | if (fixP->fx_done || fixP->fx_pcrel) | |
5472 | md_number_to_chars (buf, value, 2); | |
5473 | #ifdef OBJ_ELF | |
5474 | else | |
5475 | { | |
5476 | value = fixP->fx_offset; | |
5477 | md_number_to_chars (buf, value, 2); | |
5478 | } | |
5479 | #endif | |
5480 | break; | |
5481 | case BFD_RELOC_RVA: | |
5482 | case BFD_RELOC_32: | |
5483 | if (fixP->fx_done || fixP->fx_pcrel) | |
5484 | md_number_to_chars (buf, value, 4); | |
5485 | #ifdef OBJ_ELF | |
5486 | else | |
5487 | { | |
5488 | value = fixP->fx_offset; | |
5489 | md_number_to_chars (buf, value, 4); | |
5490 | } | |
5491 | #endif | |
5492 | break; | |
5493 | case BFD_RELOC_VTABLE_INHERIT: | |
5494 | fixP->fx_done = 0; | |
5495 | if (fixP->fx_addsy && !S_IS_DEFINED (fixP->fx_addsy) && !S_IS_WEAK (fixP->fx_addsy)) | |
5496 | S_SET_WEAK (fixP->fx_addsy); | |
5497 | break; | |
5498 | case BFD_RELOC_VTABLE_ENTRY: | |
5499 | fixP->fx_done = 0; | |
5500 | break; | |
5501 | case BFD_RELOC_SCORE_GPREL15: | |
5502 | content = md_chars_to_number (buf, INSN_SIZE); | |
5503 | if ((fixP->fx_frag->fr_opcode != 0) && ((content & 0xfc1c8000) != 0x94188000)) | |
5504 | fixP->fx_r_type = BFD_RELOC_NONE; | |
5505 | fixP->fx_done = 0; | |
5506 | break; | |
5507 | case BFD_RELOC_SCORE_GOT15: | |
5508 | case BFD_RELOC_SCORE_DUMMY_HI16: | |
5509 | case BFD_RELOC_SCORE_GOT_LO16: | |
5510 | case BFD_RELOC_SCORE_CALL15: | |
5511 | case BFD_RELOC_GPREL32: | |
5512 | break; | |
5513 | case BFD_RELOC_NONE: | |
5514 | default: | |
5515 | as_bad_where (fixP->fx_file, fixP->fx_line, _("bad relocation fixup type (%d)"), fixP->fx_r_type); | |
5516 | } | |
5517 | } | |
5518 | ||
5519 | /* Translate internal representation of relocation info to BFD target format. */ | |
5520 | arelent ** | |
5521 | tc_gen_reloc (asection * section ATTRIBUTE_UNUSED, fixS * fixp) | |
5522 | { | |
5523 | static arelent *retval[MAX_RELOC_EXPANSION + 1]; /* MAX_RELOC_EXPANSION equals 2. */ | |
5524 | arelent *reloc; | |
5525 | bfd_reloc_code_real_type code; | |
5526 | char *type; | |
5527 | fragS *f; | |
5528 | symbolS *s; | |
5529 | expressionS e; | |
5530 | ||
5531 | reloc = retval[0] = xmalloc (sizeof (arelent)); | |
5532 | retval[1] = NULL; | |
5533 | ||
5534 | reloc->sym_ptr_ptr = xmalloc (sizeof (asymbol *)); | |
5535 | *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); | |
5536 | reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; | |
5537 | reloc->addend = fixp->fx_offset; | |
5538 | ||
5539 | /* If this is a variant frag, we may need to adjust the existing | |
5540 | reloc and generate a new one. */ | |
5541 | if (fixp->fx_frag->fr_opcode != NULL && (fixp->fx_r_type == BFD_RELOC_SCORE_GPREL15)) | |
5542 | { | |
5543 | /* Update instruction imm bit. */ | |
5544 | offsetT newval; | |
5545 | unsigned short off; | |
5546 | char *buf; | |
5547 | ||
5548 | buf = fixp->fx_frag->fr_literal + fixp->fx_frag->insn_addr; | |
5549 | newval = md_chars_to_number (buf, INSN_SIZE); | |
5550 | off = fixp->fx_offset >> 16; | |
5551 | newval |= (off & 0x3fff) << 1; | |
5552 | newval |= ((off >> 14) & 0x3) << 16; | |
5553 | md_number_to_chars (buf, newval, INSN_SIZE); | |
5554 | ||
5555 | buf += INSN_SIZE; | |
5556 | newval = md_chars_to_number (buf, INSN_SIZE); | |
5557 | off = fixp->fx_offset & 0xffff; | |
5558 | newval |= ((off & 0x3fff) << 1); | |
5559 | newval |= (((off >> 14) & 0x3) << 16); | |
5560 | md_number_to_chars (buf, newval, INSN_SIZE); | |
5561 | ||
5562 | retval[1] = xmalloc (sizeof (arelent)); | |
5563 | retval[2] = NULL; | |
5564 | retval[1]->sym_ptr_ptr = xmalloc (sizeof (asymbol *)); | |
5565 | *retval[1]->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); | |
5566 | retval[1]->address = (reloc->address + RELAX_RELOC2 (fixp->fx_frag->fr_subtype)); | |
5567 | ||
5568 | f = fixp->fx_frag; | |
5569 | s = f->fr_symbol; | |
5570 | e = s->sy_value; | |
5571 | ||
5572 | retval[1]->addend = 0; | |
5573 | retval[1]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_LO16); | |
5574 | assert (retval[1]->howto != NULL); | |
5575 | ||
5576 | fixp->fx_r_type = BFD_RELOC_HI16_S; | |
5577 | } | |
5578 | ||
5579 | code = fixp->fx_r_type; | |
5580 | switch (fixp->fx_r_type) | |
5581 | { | |
5582 | case BFD_RELOC_32: | |
5583 | if (fixp->fx_pcrel) | |
5584 | { | |
5585 | code = BFD_RELOC_32_PCREL; | |
5586 | break; | |
5587 | } | |
5588 | case BFD_RELOC_HI16_S: | |
5589 | case BFD_RELOC_LO16: | |
5590 | case BFD_RELOC_SCORE_JMP: | |
5591 | case BFD_RELOC_SCORE_BRANCH: | |
5592 | case BFD_RELOC_SCORE16_JMP: | |
5593 | case BFD_RELOC_SCORE16_BRANCH: | |
5594 | case BFD_RELOC_VTABLE_ENTRY: | |
5595 | case BFD_RELOC_VTABLE_INHERIT: | |
5596 | case BFD_RELOC_SCORE_GPREL15: | |
5597 | case BFD_RELOC_SCORE_GOT15: | |
5598 | case BFD_RELOC_SCORE_DUMMY_HI16: | |
5599 | case BFD_RELOC_SCORE_GOT_LO16: | |
5600 | case BFD_RELOC_SCORE_CALL15: | |
5601 | case BFD_RELOC_GPREL32: | |
5602 | case BFD_RELOC_NONE: | |
5603 | code = fixp->fx_r_type; | |
5604 | break; | |
5605 | default: | |
5606 | type = _("<unknown>"); | |
5607 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
5608 | _("cannot represent %s relocation in this object file format"), type); | |
5609 | return NULL; | |
5610 | } | |
5611 | ||
5612 | reloc->howto = bfd_reloc_type_lookup (stdoutput, code); | |
5613 | if (reloc->howto == NULL) | |
5614 | { | |
5615 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
5616 | _("cannot represent %s relocation in this object file format1"), | |
5617 | bfd_get_reloc_code_name (code)); | |
5618 | return NULL; | |
5619 | } | |
5620 | /* HACK: Since arm ELF uses Rel instead of Rela, encode the | |
5621 | vtable entry to be used in the relocation's section offset. */ | |
5622 | if (fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY) | |
5623 | reloc->address = fixp->fx_offset; | |
5624 | ||
5625 | return retval; | |
5626 | } | |
5627 | ||
5628 | void | |
5629 | score_elf_final_processing (void) | |
5630 | { | |
5631 | if (fix_data_dependency == 1) | |
5632 | { | |
5633 | elf_elfheader (stdoutput)->e_flags |= EF_SCORE_FIXDEP; | |
5634 | } | |
5635 | if (score_pic == PIC) | |
5636 | { | |
5637 | elf_elfheader (stdoutput)->e_flags |= EF_SCORE_PIC; | |
5638 | } | |
5639 | } | |
5640 | ||
5641 | static void | |
5642 | parse_pce_inst (char *insnstr) | |
5643 | { | |
5644 | char c; | |
5645 | char *p; | |
5646 | char first[MAX_LITERAL_POOL_SIZE]; | |
5647 | char second[MAX_LITERAL_POOL_SIZE]; | |
5648 | struct score_it pec_part_1; | |
5649 | ||
5650 | /* Get first part string of PCE. */ | |
5651 | p = strstr (insnstr, "||"); | |
5652 | c = *p; | |
5653 | *p = '\0'; | |
5654 | sprintf (first, "%s", insnstr); | |
5655 | ||
5656 | /* Get second part string of PCE. */ | |
5657 | *p = c; | |
5658 | p += 2; | |
5659 | sprintf (second, "%s", p); | |
5660 | ||
5661 | parse_16_32_inst (first, FALSE); | |
5662 | if (inst.error) | |
5663 | return; | |
5664 | ||
5665 | memcpy (&pec_part_1, &inst, sizeof (inst)); | |
5666 | ||
5667 | parse_16_32_inst (second, FALSE); | |
5668 | if (inst.error) | |
5669 | return; | |
5670 | ||
5671 | if ( ((pec_part_1.size == INSN_SIZE) && (inst.size == INSN_SIZE)) | |
5672 | || ((pec_part_1.size == INSN_SIZE) && (inst.size == INSN16_SIZE)) | |
5673 | || ((pec_part_1.size == INSN16_SIZE) && (inst.size == INSN_SIZE))) | |
5674 | { | |
5675 | inst.error = _("pce instruction error (16 bit || 16 bit)'"); | |
5676 | sprintf (inst.str, "%s", insnstr); | |
5677 | return; | |
5678 | } | |
5679 | ||
5680 | if (!inst.error) | |
5681 | gen_insn_frag (&pec_part_1, &inst); | |
5682 | } | |
5683 | ||
5684 | void | |
5685 | md_assemble (char *str) | |
5686 | { | |
5687 | know (str); | |
5688 | know (strlen (str) < MAX_LITERAL_POOL_SIZE); | |
5689 | ||
5690 | memset (&inst, '\0', sizeof (inst)); | |
5691 | if (INSN_IS_PCE_P (str)) | |
5692 | parse_pce_inst (str); | |
5693 | else | |
5694 | parse_16_32_inst (str, TRUE); | |
5695 | ||
5696 | if (inst.error) | |
5697 | as_bad ("%s -- `%s'", inst.error, inst.str); | |
5698 | } | |
5699 | ||
5700 | /* We handle all bad expressions here, so that we can report the faulty | |
5701 | instruction in the error message. */ | |
5702 | void | |
5703 | md_operand (expressionS * expr) | |
5704 | { | |
5705 | if (in_my_get_expression) | |
5706 | { | |
5707 | expr->X_op = O_illegal; | |
5708 | if (inst.error == NULL) | |
5709 | { | |
5710 | inst.error = _("bad expression"); | |
5711 | } | |
5712 | } | |
5713 | } | |
5714 | ||
5715 | const char *md_shortopts = "nO::g::G:"; | |
5716 | ||
5717 | #ifdef SCORE_BI_ENDIAN | |
5718 | #define OPTION_EB (OPTION_MD_BASE + 0) | |
5719 | #define OPTION_EL (OPTION_MD_BASE + 1) | |
5720 | #else | |
5721 | #if TARGET_BYTES_BIG_ENDIAN | |
5722 | #define OPTION_EB (OPTION_MD_BASE + 0) | |
5723 | #else | |
5724 | #define OPTION_EL (OPTION_MD_BASE + 1) | |
5725 | #endif | |
5726 | #endif | |
5727 | #define OPTION_FIXDD (OPTION_MD_BASE + 2) | |
5728 | #define OPTION_NWARN (OPTION_MD_BASE + 3) | |
5729 | #define OPTION_SCORE5 (OPTION_MD_BASE + 4) | |
5730 | #define OPTION_SCORE5U (OPTION_MD_BASE + 5) | |
5731 | #define OPTION_SCORE7 (OPTION_MD_BASE + 6) | |
5732 | #define OPTION_R1 (OPTION_MD_BASE + 7) | |
5733 | #define OPTION_O0 (OPTION_MD_BASE + 8) | |
5734 | #define OPTION_SCORE_VERSION (OPTION_MD_BASE + 9) | |
5735 | #define OPTION_PIC (OPTION_MD_BASE + 10) | |
5736 | ||
5737 | struct option md_longopts[] = | |
5738 | { | |
5739 | #ifdef OPTION_EB | |
5740 | {"EB" , no_argument, NULL, OPTION_EB}, | |
5741 | #endif | |
5742 | #ifdef OPTION_EL | |
5743 | {"EL" , no_argument, NULL, OPTION_EL}, | |
5744 | #endif | |
5745 | {"FIXDD" , no_argument, NULL, OPTION_FIXDD}, | |
5746 | {"NWARN" , no_argument, NULL, OPTION_NWARN}, | |
5747 | {"SCORE5" , no_argument, NULL, OPTION_SCORE5}, | |
5748 | {"SCORE5U", no_argument, NULL, OPTION_SCORE5U}, | |
5749 | {"SCORE7" , no_argument, NULL, OPTION_SCORE7}, | |
5750 | {"USE_R1" , no_argument, NULL, OPTION_R1}, | |
5751 | {"O0" , no_argument, NULL, OPTION_O0}, | |
5752 | {"V" , no_argument, NULL, OPTION_SCORE_VERSION}, | |
5753 | {"KPIC" , no_argument, NULL, OPTION_PIC}, | |
5754 | {NULL , no_argument, NULL, 0} | |
5755 | }; | |
5756 | ||
5757 | size_t md_longopts_size = sizeof (md_longopts); | |
5758 | ||
5759 | int | |
5760 | md_parse_option (int c, char *arg) | |
5761 | { | |
5762 | switch (c) | |
5763 | { | |
5764 | #ifdef OPTION_EB | |
5765 | case OPTION_EB: | |
5766 | target_big_endian = 1; | |
5767 | break; | |
5768 | #endif | |
5769 | #ifdef OPTION_EL | |
5770 | case OPTION_EL: | |
5771 | target_big_endian = 0; | |
5772 | break; | |
5773 | #endif | |
5774 | case OPTION_FIXDD: | |
5775 | fix_data_dependency = 1; | |
5776 | break; | |
5777 | case OPTION_NWARN: | |
5778 | warn_fix_data_dependency = 0; | |
5779 | break; | |
5780 | case OPTION_SCORE5: | |
5781 | score7 = 0; | |
5782 | university_version = 0; | |
5783 | vector_size = SCORE5_PIPELINE; | |
5784 | break; | |
5785 | case OPTION_SCORE5U: | |
5786 | score7 = 0; | |
5787 | university_version = 1; | |
5788 | vector_size = SCORE5_PIPELINE; | |
5789 | break; | |
5790 | case OPTION_SCORE7: | |
5791 | score7 = 1; | |
5792 | university_version = 0; | |
5793 | vector_size = SCORE7_PIPELINE; | |
5794 | break; | |
5795 | case OPTION_R1: | |
5796 | nor1 = 0; | |
5797 | break; | |
5798 | case 'G': | |
5799 | g_switch_value = atoi (arg); | |
5800 | break; | |
5801 | case OPTION_O0: | |
5802 | g_opt = 0; | |
5803 | break; | |
5804 | case OPTION_SCORE_VERSION: | |
5805 | printf (_("Sunplus-v2-0-0-20060510\n")); | |
5806 | break; | |
5807 | case OPTION_PIC: | |
5808 | score_pic = PIC; | |
5809 | g_switch_value = 0; /* Must set -G num as 0 to generate PIC code. */ | |
5810 | break; | |
5811 | default: | |
5812 | /* as_bad (_("unrecognized option `-%c%s'"), c, arg ? arg : ""); */ | |
5813 | return 0; | |
5814 | } | |
5815 | return 1; | |
5816 | } | |
5817 | ||
5818 | void | |
5819 | md_show_usage (FILE * fp) | |
5820 | { | |
5821 | fprintf (fp, _(" Score-specific assembler options:\n")); | |
5822 | #ifdef OPTION_EB | |
5823 | fprintf (fp, _("\ | |
5824 | -EB\t\tassemble code for a big-endian cpu\n")); | |
5825 | #endif | |
5826 | ||
5827 | #ifdef OPTION_EL | |
5828 | fprintf (fp, _("\ | |
5829 | -EL\t\tassemble code for a little-endian cpu\n")); | |
5830 | #endif | |
5831 | ||
5832 | fprintf (fp, _("\ | |
5833 | -FIXDD\t\tassemble code for fix data dependency\n")); | |
5834 | fprintf (fp, _("\ | |
5835 | -NWARN\t\tassemble code for no warning message for fix data dependency\n")); | |
5836 | fprintf (fp, _("\ | |
5837 | -SCORE5\t\tassemble code for target is SCORE5\n")); | |
5838 | fprintf (fp, _("\ | |
5839 | -SCORE5U\tassemble code for target is SCORE5U\n")); | |
5840 | fprintf (fp, _("\ | |
5841 | -SCORE7\t\tassemble code for target is SCORE7, this is default setting\n")); | |
5842 | fprintf (fp, _("\ | |
5843 | -USE_R1\t\tassemble code for no warning message when using temp register r1\n")); | |
5844 | fprintf (fp, _("\ | |
ec6e49f4 | 5845 | -KPIC\t\tassemble code for PIC\n")); |
1c0d3aa6 | 5846 | fprintf (fp, _("\ |
ec6e49f4 NC |
5847 | -O0\t\tassembler will not perform any optimizations\n")); |
5848 | fprintf (fp, _("\ | |
5849 | -G gpnum\tassemble code for setting gpsize and default is 8 byte\n")); | |
1c0d3aa6 NC |
5850 | fprintf (fp, _("\ |
5851 | -V \t\tSunplus release version \n")); | |
5852 | } | |
5853 | ||
5854 | ||
5855 | /* Pesudo handling functions. */ | |
5856 | ||
5857 | /* If we change section we must dump the literal pool first. */ | |
5858 | static void | |
5859 | s_score_bss (int ignore ATTRIBUTE_UNUSED) | |
5860 | { | |
5861 | subseg_set (bss_section, (subsegT) get_absolute_expression ()); | |
5862 | demand_empty_rest_of_line (); | |
5863 | } | |
5864 | ||
5865 | static void | |
5866 | s_score_text (int ignore) | |
5867 | { | |
5868 | obj_elf_text (ignore); | |
5869 | record_alignment (now_seg, 2); | |
5870 | } | |
5871 | ||
5872 | static void | |
5873 | score_s_section (int ignore) | |
5874 | { | |
5875 | obj_elf_section (ignore); | |
5876 | if ((bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0) | |
5877 | record_alignment (now_seg, 2); | |
5878 | ||
5879 | } | |
5880 | ||
5881 | static void | |
5882 | s_change_sec (int sec) | |
5883 | { | |
5884 | segT seg; | |
5885 | ||
5886 | #ifdef OBJ_ELF | |
5887 | /* The ELF backend needs to know that we are changing sections, so | |
5888 | that .previous works correctly. We could do something like check | |
5889 | for an obj_section_change_hook macro, but that might be confusing | |
5890 | as it would not be appropriate to use it in the section changing | |
5891 | functions in read.c, since obj-elf.c intercepts those. FIXME: | |
5892 | This should be cleaner, somehow. */ | |
5893 | obj_elf_section_change_hook (); | |
5894 | #endif | |
5895 | switch (sec) | |
5896 | { | |
5897 | case 'r': | |
5898 | seg = subseg_new (RDATA_SECTION_NAME, (subsegT) get_absolute_expression ()); | |
5899 | bfd_set_section_flags (stdoutput, seg, (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_RELOC | SEC_DATA)); | |
5900 | if (strcmp (TARGET_OS, "elf") != 0) | |
5901 | record_alignment (seg, 4); | |
5902 | demand_empty_rest_of_line (); | |
5903 | break; | |
5904 | case 's': | |
5905 | seg = subseg_new (".sdata", (subsegT) get_absolute_expression ()); | |
5906 | bfd_set_section_flags (stdoutput, seg, SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA); | |
5907 | if (strcmp (TARGET_OS, "elf") != 0) | |
5908 | record_alignment (seg, 4); | |
5909 | demand_empty_rest_of_line (); | |
5910 | break; | |
5911 | } | |
5912 | } | |
5913 | ||
5914 | static void | |
5915 | s_score_mask (int reg_type ATTRIBUTE_UNUSED) | |
5916 | { | |
5917 | long mask, off; | |
5918 | ||
5919 | if (cur_proc_ptr == (procS *) NULL) | |
5920 | { | |
5921 | as_warn (_(".mask outside of .ent")); | |
5922 | demand_empty_rest_of_line (); | |
5923 | return; | |
5924 | } | |
5925 | if (get_absolute_expression_and_terminator (&mask) != ',') | |
5926 | { | |
5927 | as_warn (_("Bad .mask directive")); | |
5928 | --input_line_pointer; | |
5929 | demand_empty_rest_of_line (); | |
5930 | return; | |
5931 | } | |
5932 | off = get_absolute_expression (); | |
5933 | cur_proc_ptr->reg_mask = mask; | |
5934 | cur_proc_ptr->reg_offset = off; | |
5935 | demand_empty_rest_of_line (); | |
5936 | } | |
5937 | ||
5938 | static symbolS * | |
5939 | get_symbol (void) | |
5940 | { | |
5941 | int c; | |
5942 | char *name; | |
5943 | symbolS *p; | |
5944 | ||
5945 | name = input_line_pointer; | |
5946 | c = get_symbol_end (); | |
5947 | p = (symbolS *) symbol_find_or_make (name); | |
5948 | *input_line_pointer = c; | |
5949 | return p; | |
5950 | } | |
5951 | ||
5952 | static long | |
5953 | get_number (void) | |
5954 | { | |
5955 | int negative = 0; | |
5956 | long val = 0; | |
5957 | ||
5958 | if (*input_line_pointer == '-') | |
5959 | { | |
5960 | ++input_line_pointer; | |
5961 | negative = 1; | |
5962 | } | |
5963 | if (!ISDIGIT (*input_line_pointer)) | |
5964 | as_bad (_("expected simple number")); | |
5965 | if (input_line_pointer[0] == '0') | |
5966 | { | |
5967 | if (input_line_pointer[1] == 'x') | |
5968 | { | |
5969 | input_line_pointer += 2; | |
5970 | while (ISXDIGIT (*input_line_pointer)) | |
5971 | { | |
5972 | val <<= 4; | |
5973 | val |= hex_value (*input_line_pointer++); | |
5974 | } | |
5975 | return negative ? -val : val; | |
5976 | } | |
5977 | else | |
5978 | { | |
5979 | ++input_line_pointer; | |
5980 | while (ISDIGIT (*input_line_pointer)) | |
5981 | { | |
5982 | val <<= 3; | |
5983 | val |= *input_line_pointer++ - '0'; | |
5984 | } | |
5985 | return negative ? -val : val; | |
5986 | } | |
5987 | } | |
5988 | if (!ISDIGIT (*input_line_pointer)) | |
5989 | { | |
5990 | printf (_(" *input_line_pointer == '%c' 0x%02x\n"), *input_line_pointer, *input_line_pointer); | |
5991 | as_warn (_("invalid number")); | |
5992 | return -1; | |
5993 | } | |
5994 | while (ISDIGIT (*input_line_pointer)) | |
5995 | { | |
5996 | val *= 10; | |
5997 | val += *input_line_pointer++ - '0'; | |
5998 | } | |
5999 | return negative ? -val : val; | |
6000 | } | |
6001 | ||
6002 | /* The .aent and .ent directives. */ | |
6003 | ||
6004 | static void | |
6005 | s_score_ent (int aent) | |
6006 | { | |
6007 | symbolS *symbolP; | |
6008 | int maybe_text; | |
6009 | ||
6010 | symbolP = get_symbol (); | |
6011 | if (*input_line_pointer == ',') | |
6012 | ++input_line_pointer; | |
6013 | SKIP_WHITESPACE (); | |
6014 | if (ISDIGIT (*input_line_pointer) || *input_line_pointer == '-') | |
6015 | get_number (); | |
6016 | ||
6017 | #ifdef BFD_ASSEMBLER | |
6018 | if ((bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0) | |
6019 | maybe_text = 1; | |
6020 | else | |
6021 | maybe_text = 0; | |
6022 | #else | |
6023 | if (now_seg != data_section && now_seg != bss_section) | |
6024 | maybe_text = 1; | |
6025 | else | |
6026 | maybe_text = 0; | |
6027 | #endif | |
6028 | if (!maybe_text) | |
6029 | as_warn (_(".ent or .aent not in text section.")); | |
6030 | if (!aent && cur_proc_ptr) | |
6031 | as_warn (_("missing .end")); | |
6032 | if (!aent) | |
6033 | { | |
6034 | cur_proc_ptr = &cur_proc; | |
6035 | cur_proc_ptr->reg_mask = 0xdeadbeaf; | |
6036 | cur_proc_ptr->reg_offset = 0xdeadbeaf; | |
6037 | cur_proc_ptr->fpreg_mask = 0xdeafbeaf; | |
6038 | cur_proc_ptr->leaf = 0xdeafbeaf; | |
6039 | cur_proc_ptr->frame_offset = 0xdeafbeaf; | |
6040 | cur_proc_ptr->frame_reg = 0xdeafbeaf; | |
6041 | cur_proc_ptr->pc_reg = 0xdeafbeaf; | |
6042 | cur_proc_ptr->isym = symbolP; | |
6043 | symbol_get_bfdsym (symbolP)->flags |= BSF_FUNCTION; | |
6044 | ++numprocs; | |
6045 | if (debug_type == DEBUG_STABS) | |
6046 | stabs_generate_asm_func (S_GET_NAME (symbolP), S_GET_NAME (symbolP)); | |
6047 | } | |
6048 | demand_empty_rest_of_line (); | |
6049 | } | |
6050 | ||
6051 | static void | |
6052 | s_score_frame (int ignore ATTRIBUTE_UNUSED) | |
6053 | { | |
6054 | char *backupstr; | |
6055 | char str[30]; | |
6056 | long val; | |
6057 | int i = 0; | |
6058 | ||
6059 | backupstr = input_line_pointer; | |
6060 | ||
6061 | #ifdef OBJ_ELF | |
6062 | if (cur_proc_ptr == (procS *) NULL) | |
6063 | { | |
6064 | as_warn (_(".frame outside of .ent")); | |
6065 | demand_empty_rest_of_line (); | |
6066 | return; | |
6067 | } | |
6068 | cur_proc_ptr->frame_reg = reg_required_here ((&backupstr), 0, REG_TYPE_SCORE); | |
6069 | SKIP_WHITESPACE (); | |
6070 | skip_past_comma (&backupstr); | |
6071 | while (*backupstr != ',') | |
6072 | { | |
6073 | str[i] = *backupstr; | |
6074 | i++; | |
6075 | backupstr++; | |
6076 | } | |
6077 | str[i] = '\0'; | |
6078 | val = atoi (str); | |
6079 | ||
6080 | SKIP_WHITESPACE (); | |
6081 | skip_past_comma (&backupstr); | |
6082 | cur_proc_ptr->frame_offset = val; | |
6083 | cur_proc_ptr->pc_reg = reg_required_here ((&backupstr), 0, REG_TYPE_SCORE); | |
6084 | ||
6085 | SKIP_WHITESPACE (); | |
6086 | skip_past_comma (&backupstr); | |
6087 | i = 0; | |
6088 | while (*backupstr != '\n') | |
6089 | { | |
6090 | str[i] = *backupstr; | |
6091 | i++; | |
6092 | backupstr++; | |
6093 | } | |
6094 | str[i] = '\0'; | |
6095 | val = atoi (str); | |
6096 | cur_proc_ptr->leaf = val; | |
6097 | SKIP_WHITESPACE (); | |
6098 | skip_past_comma (&backupstr); | |
6099 | ||
6100 | #endif /* OBJ_ELF */ | |
6101 | while (input_line_pointer != backupstr) | |
6102 | input_line_pointer++; | |
6103 | } | |
6104 | ||
6105 | /* The .end directive. */ | |
6106 | static void | |
6107 | s_score_end (int x ATTRIBUTE_UNUSED) | |
6108 | { | |
6109 | symbolS *p; | |
6110 | int maybe_text; | |
6111 | ||
6112 | /* Generate a .pdr section. */ | |
6113 | segT saved_seg = now_seg; | |
6114 | subsegT saved_subseg = now_subseg; | |
6115 | valueT dot; | |
6116 | expressionS exp; | |
6117 | char *fragp; | |
6118 | ||
6119 | if (!is_end_of_line[(unsigned char)*input_line_pointer]) | |
6120 | { | |
6121 | p = get_symbol (); | |
6122 | demand_empty_rest_of_line (); | |
6123 | } | |
6124 | else | |
6125 | p = NULL; | |
6126 | ||
6127 | #ifdef BFD_ASSEMBLER | |
6128 | if ((bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0) | |
6129 | maybe_text = 1; | |
6130 | else | |
6131 | maybe_text = 0; | |
6132 | #else | |
6133 | if (now_seg != data_section && now_seg != bss_section) | |
6134 | maybe_text = 1; | |
6135 | else | |
6136 | maybe_text = 0; | |
6137 | #endif | |
6138 | ||
6139 | if (!maybe_text) | |
6140 | as_warn (_(".end not in text section")); | |
6141 | if (!cur_proc_ptr) | |
6142 | { | |
6143 | as_warn (_(".end directive without a preceding .ent directive.")); | |
6144 | demand_empty_rest_of_line (); | |
6145 | return; | |
6146 | } | |
6147 | if (p != NULL) | |
6148 | { | |
6149 | assert (S_GET_NAME (p)); | |
6150 | if (strcmp (S_GET_NAME (p), S_GET_NAME (cur_proc_ptr->isym))) | |
6151 | as_warn (_(".end symbol does not match .ent symbol.")); | |
6152 | if (debug_type == DEBUG_STABS) | |
6153 | stabs_generate_asm_endfunc (S_GET_NAME (p), S_GET_NAME (p)); | |
6154 | } | |
6155 | else | |
6156 | as_warn (_(".end directive missing or unknown symbol")); | |
6157 | ||
6158 | if ((cur_proc_ptr->reg_mask == 0xdeadbeaf) || | |
6159 | (cur_proc_ptr->reg_offset == 0xdeadbeaf) || | |
6160 | (cur_proc_ptr->leaf == 0xdeafbeaf) || | |
6161 | (cur_proc_ptr->frame_offset == 0xdeafbeaf) || | |
6162 | (cur_proc_ptr->frame_reg == 0xdeafbeaf) || (cur_proc_ptr->pc_reg == 0xdeafbeaf)); | |
6163 | ||
6164 | else | |
6165 | { | |
6166 | dot = frag_now_fix (); | |
6167 | assert (pdr_seg); | |
6168 | subseg_set (pdr_seg, 0); | |
6169 | /* Write the symbol. */ | |
6170 | exp.X_op = O_symbol; | |
6171 | exp.X_add_symbol = p; | |
6172 | exp.X_add_number = 0; | |
6173 | emit_expr (&exp, 4); | |
6174 | fragp = frag_more (7 * 4); | |
6175 | md_number_to_chars (fragp, (valueT) cur_proc_ptr->reg_mask, 4); | |
6176 | md_number_to_chars (fragp + 4, (valueT) cur_proc_ptr->reg_offset, 4); | |
6177 | md_number_to_chars (fragp + 8, (valueT) cur_proc_ptr->fpreg_mask, 4); | |
6178 | md_number_to_chars (fragp + 12, (valueT) cur_proc_ptr->leaf, 4); | |
6179 | md_number_to_chars (fragp + 16, (valueT) cur_proc_ptr->frame_offset, 4); | |
6180 | md_number_to_chars (fragp + 20, (valueT) cur_proc_ptr->frame_reg, 4); | |
6181 | md_number_to_chars (fragp + 24, (valueT) cur_proc_ptr->pc_reg, 4); | |
6182 | subseg_set (saved_seg, saved_subseg); | |
6183 | ||
6184 | } | |
6185 | cur_proc_ptr = NULL; | |
6186 | } | |
6187 | ||
6188 | /* Handle the .set pseudo-op. */ | |
6189 | static void | |
6190 | s_score_set (int x ATTRIBUTE_UNUSED) | |
6191 | { | |
6192 | int i = 0; | |
6193 | char name[MAX_LITERAL_POOL_SIZE]; | |
6194 | char * orig_ilp = input_line_pointer; | |
6195 | ||
6196 | while (!is_end_of_line[(unsigned char)*input_line_pointer]) | |
6197 | { | |
6198 | name[i] = (char) * input_line_pointer; | |
6199 | i++; | |
6200 | ++input_line_pointer; | |
6201 | } | |
6202 | ||
6203 | name[i] = '\0'; | |
6204 | ||
6205 | if (strcmp (name, "nwarn") == 0) | |
6206 | { | |
6207 | warn_fix_data_dependency = 0; | |
6208 | } | |
6209 | else if (strcmp (name, "fixdd") == 0) | |
6210 | { | |
6211 | fix_data_dependency = 1; | |
6212 | } | |
6213 | else if (strcmp (name, "nofixdd") == 0) | |
6214 | { | |
6215 | fix_data_dependency = 0; | |
6216 | } | |
6217 | else if (strcmp (name, "r1") == 0) | |
6218 | { | |
6219 | nor1 = 0; | |
6220 | } | |
6221 | else if (strcmp (name, "nor1") == 0) | |
6222 | { | |
6223 | nor1 = 1; | |
6224 | } | |
6225 | else if (strcmp (name, "optimize") == 0) | |
6226 | { | |
6227 | g_opt = 1; | |
6228 | } | |
6229 | else if (strcmp (name, "volatile") == 0) | |
6230 | { | |
6231 | g_opt = 0; | |
6232 | } | |
6233 | else if (strcmp (name, "pic") == 0) | |
6234 | { | |
6235 | score_pic = PIC; | |
6236 | } | |
6237 | else | |
6238 | { | |
6239 | input_line_pointer = orig_ilp; | |
6240 | s_set (0); | |
6241 | } | |
6242 | } | |
6243 | ||
6244 | /* Handle the .cpload pseudo-op. This is used when generating PIC code. It sets the | |
6245 | $gp register for the function based on the function address, which is in the register | |
6246 | named in the argument. This uses a relocation against GP_DISP_LABEL, which is handled | |
6247 | specially by the linker. The result is: | |
6248 | ldis gp, %hi(GP_DISP_LABEL) | |
6249 | ori gp, %low(GP_DISP_LABEL) | |
6250 | add gp, gp, .cpload argument | |
6251 | The .cpload argument is normally r29. */ | |
6252 | ||
6253 | static void | |
6254 | s_score_cpload (int ignore ATTRIBUTE_UNUSED) | |
6255 | { | |
6256 | int reg; | |
6257 | char insn_str[MAX_LITERAL_POOL_SIZE]; | |
6258 | ||
6259 | /* If we are not generating PIC code, .cpload is ignored. */ | |
6260 | if (score_pic == NO_PIC) | |
6261 | { | |
6262 | s_ignore (0); | |
6263 | return; | |
6264 | } | |
6265 | ||
6266 | if ((reg = reg_required_here (&input_line_pointer, -1, REG_TYPE_SCORE)) == (int) FAIL) | |
6267 | return; | |
6268 | ||
6269 | demand_empty_rest_of_line (); | |
6270 | ||
6271 | sprintf (insn_str, "ld_i32hi r%d, %s", GP, GP_DISP_LABEL); | |
6272 | if (append_insn (insn_str, TRUE) == (int) FAIL) | |
6273 | return; | |
6274 | ||
6275 | sprintf (insn_str, "ld_i32lo r%d, %s", GP, GP_DISP_LABEL); | |
6276 | if (append_insn (insn_str, TRUE) == (int) FAIL) | |
6277 | return; | |
6278 | ||
6279 | sprintf (insn_str, "add r%d, r%d, r%d", GP, GP, reg); | |
6280 | if (append_insn (insn_str, TRUE) == (int) FAIL) | |
6281 | return; | |
6282 | } | |
6283 | ||
6284 | /* Handle the .cprestore pseudo-op. This stores $gp into a given | |
6285 | offset from $sp. The offset is remembered, and after making a PIC | |
6286 | call $gp is restored from that location. */ | |
6287 | ||
6288 | static void | |
6289 | s_score_cprestore (int ignore ATTRIBUTE_UNUSED) | |
6290 | { | |
6291 | #define SCORE_BP_REG 2 | |
6292 | int cprestore_offset; | |
6293 | char insn_str[MAX_LITERAL_POOL_SIZE]; | |
6294 | ||
6295 | /* If we are not generating PIC code, .cprestore is ignored. */ | |
6296 | if (score_pic == NO_PIC) | |
6297 | { | |
6298 | s_ignore (0); | |
6299 | return; | |
6300 | } | |
6301 | ||
6302 | cprestore_offset = get_absolute_expression (); | |
6303 | ||
6304 | sprintf (insn_str, "sw r%d, [r%d, %d]", GP, SCORE_BP_REG, cprestore_offset); | |
6305 | if (append_insn (insn_str, TRUE) == (int) FAIL) | |
6306 | return; | |
6307 | } | |
6308 | ||
6309 | /* Handle the .gpword pseudo-op. This is used when generating PIC | |
6310 | code. It generates a 32 bit GP relative reloc. */ | |
6311 | static void | |
6312 | s_score_gpword (int ignore ATTRIBUTE_UNUSED) | |
6313 | { | |
6314 | expressionS ex; | |
6315 | char *p; | |
6316 | ||
6317 | /* When not generating PIC code, this is treated as .word. */ | |
6318 | if (score_pic == NO_PIC) | |
6319 | { | |
6320 | cons (4); | |
6321 | return; | |
6322 | } | |
6323 | expression (&ex); | |
6324 | if (ex.X_op != O_symbol || ex.X_add_number != 0) | |
6325 | { | |
6326 | as_bad (_("Unsupported use of .gpword")); | |
6327 | ignore_rest_of_line (); | |
6328 | } | |
6329 | p = frag_more (4); | |
6330 | md_number_to_chars (p, (valueT) 0, 4); | |
6331 | fix_new_exp (frag_now, p - frag_now->fr_literal, 4, &ex, FALSE, BFD_RELOC_GPREL32); | |
6332 | demand_empty_rest_of_line (); | |
6333 | } | |
6334 | ||
6335 | /* Handle the .cpadd pseudo-op. This is used when dealing with switch | |
6336 | tables in PIC code. */ | |
6337 | ||
6338 | static void | |
6339 | s_score_cpadd (int ignore ATTRIBUTE_UNUSED) | |
6340 | { | |
6341 | int reg; | |
6342 | char insn_str[MAX_LITERAL_POOL_SIZE]; | |
6343 | ||
6344 | /* If we are not generating PIC code, .cpload is ignored. */ | |
6345 | if (score_pic == NO_PIC) | |
6346 | { | |
6347 | s_ignore (0); | |
6348 | return; | |
6349 | } | |
6350 | ||
6351 | if ((reg = reg_required_here (&input_line_pointer, -1, REG_TYPE_SCORE)) == (int) FAIL) | |
6352 | { | |
6353 | return; | |
6354 | } | |
6355 | demand_empty_rest_of_line (); | |
6356 | ||
6357 | /* Add $gp to the register named as an argument. */ | |
6358 | sprintf (insn_str, "add r%d, r%d, r%d", reg, reg, GP); | |
6359 | if (append_insn (insn_str, TRUE) == (int) FAIL) | |
6360 | return; | |
6361 | } | |
6362 | ||
6363 | #ifndef TC_IMPLICIT_LCOMM_ALIGNMENT | |
6364 | #define TC_IMPLICIT_LCOMM_ALIGNMENT(SIZE, P2VAR) \ | |
6365 | do \ | |
6366 | { \ | |
6367 | if ((SIZE) >= 8) \ | |
6368 | (P2VAR) = 3; \ | |
6369 | else if ((SIZE) >= 4) \ | |
6370 | (P2VAR) = 2; \ | |
6371 | else if ((SIZE) >= 2) \ | |
6372 | (P2VAR) = 1; \ | |
6373 | else \ | |
6374 | (P2VAR) = 0; \ | |
6375 | } \ | |
6376 | while (0) | |
6377 | #endif | |
6378 | ||
6379 | static void | |
6380 | s_score_lcomm (int bytes_p) | |
6381 | { | |
6382 | char *name; | |
6383 | char c; | |
6384 | char *p; | |
6385 | int temp; | |
6386 | symbolS *symbolP; | |
6387 | segT current_seg = now_seg; | |
6388 | subsegT current_subseg = now_subseg; | |
6389 | const int max_alignment = 15; | |
6390 | int align = 0; | |
6391 | segT bss_seg = bss_section; | |
6392 | int needs_align = 0; | |
6393 | ||
6394 | name = input_line_pointer; | |
6395 | c = get_symbol_end (); | |
6396 | p = input_line_pointer; | |
6397 | *p = c; | |
6398 | ||
6399 | if (name == p) | |
6400 | { | |
6401 | as_bad (_("expected symbol name")); | |
6402 | discard_rest_of_line (); | |
6403 | return; | |
6404 | } | |
6405 | ||
6406 | SKIP_WHITESPACE (); | |
6407 | ||
6408 | /* Accept an optional comma after the name. The comma used to be | |
6409 | required, but Irix 5 cc does not generate it. */ | |
6410 | if (*input_line_pointer == ',') | |
6411 | { | |
6412 | ++input_line_pointer; | |
6413 | SKIP_WHITESPACE (); | |
6414 | } | |
6415 | ||
6416 | if (is_end_of_line[(unsigned char)*input_line_pointer]) | |
6417 | { | |
6418 | as_bad (_("missing size expression")); | |
6419 | return; | |
6420 | } | |
6421 | ||
6422 | if ((temp = get_absolute_expression ()) < 0) | |
6423 | { | |
6424 | as_warn (_("BSS length (%d) < 0 ignored"), temp); | |
6425 | ignore_rest_of_line (); | |
6426 | return; | |
6427 | } | |
6428 | ||
6429 | #if defined (TC_SCORE) | |
6430 | if (OUTPUT_FLAVOR == bfd_target_ecoff_flavour || OUTPUT_FLAVOR == bfd_target_elf_flavour) | |
6431 | { | |
6432 | /* For Score and Alpha ECOFF or ELF, small objects are put in .sbss. */ | |
6433 | if ((unsigned)temp <= bfd_get_gp_size (stdoutput)) | |
6434 | { | |
6435 | bss_seg = subseg_new (".sbss", 1); | |
6436 | seg_info (bss_seg)->bss = 1; | |
6437 | #ifdef BFD_ASSEMBLER | |
6438 | if (!bfd_set_section_flags (stdoutput, bss_seg, SEC_ALLOC)) | |
6439 | as_warn (_("error setting flags for \".sbss\": %s"), bfd_errmsg (bfd_get_error ())); | |
6440 | #endif | |
6441 | } | |
6442 | } | |
6443 | #endif | |
6444 | ||
6445 | SKIP_WHITESPACE (); | |
6446 | if (*input_line_pointer == ',') | |
6447 | { | |
6448 | ++input_line_pointer; | |
6449 | SKIP_WHITESPACE (); | |
6450 | ||
6451 | if (is_end_of_line[(unsigned char)*input_line_pointer]) | |
6452 | { | |
6453 | as_bad (_("missing alignment")); | |
6454 | return; | |
6455 | } | |
6456 | else | |
6457 | { | |
6458 | align = get_absolute_expression (); | |
6459 | needs_align = 1; | |
6460 | } | |
6461 | } | |
6462 | ||
6463 | if (!needs_align) | |
6464 | { | |
6465 | TC_IMPLICIT_LCOMM_ALIGNMENT (temp, align); | |
6466 | ||
6467 | /* Still zero unless TC_IMPLICIT_LCOMM_ALIGNMENT set it. */ | |
6468 | if (align) | |
6469 | record_alignment (bss_seg, align); | |
6470 | } | |
6471 | ||
6472 | if (needs_align) | |
6473 | { | |
6474 | if (bytes_p) | |
6475 | { | |
6476 | /* Convert to a power of 2. */ | |
6477 | if (align != 0) | |
6478 | { | |
6479 | unsigned int i; | |
6480 | ||
6481 | for (i = 0; align != 0; align >>= 1, ++i) | |
6482 | ; | |
6483 | align = i - 1; | |
6484 | } | |
6485 | } | |
6486 | ||
6487 | if (align > max_alignment) | |
6488 | { | |
6489 | align = max_alignment; | |
6490 | as_warn (_("alignment too large; %d assumed"), align); | |
6491 | } | |
6492 | else if (align < 0) | |
6493 | { | |
6494 | align = 0; | |
6495 | as_warn (_("alignment negative; 0 assumed")); | |
6496 | } | |
6497 | ||
6498 | record_alignment (bss_seg, align); | |
6499 | } | |
6500 | else | |
6501 | { | |
6502 | /* Assume some objects may require alignment on some systems. */ | |
6503 | #if defined (TC_ALPHA) && ! defined (VMS) | |
6504 | if (temp > 1) | |
6505 | { | |
6506 | align = ffs (temp) - 1; | |
6507 | if (temp % (1 << align)) | |
6508 | abort (); | |
6509 | } | |
6510 | #endif | |
6511 | } | |
6512 | ||
6513 | *p = 0; | |
6514 | symbolP = symbol_find_or_make (name); | |
6515 | *p = c; | |
6516 | ||
6517 | if ( | |
6518 | #if (defined (OBJ_AOUT) || defined (OBJ_MAYBE_AOUT) \ | |
6519 | || defined (OBJ_BOUT) || defined (OBJ_MAYBE_BOUT)) | |
6520 | #ifdef BFD_ASSEMBLER | |
6521 | (OUTPUT_FLAVOR != bfd_target_aout_flavour | |
6522 | || (S_GET_OTHER (symbolP) == 0 && S_GET_DESC (symbolP) == 0)) && | |
6523 | #else | |
6524 | (S_GET_OTHER (symbolP) == 0 && S_GET_DESC (symbolP) == 0) && | |
6525 | #endif | |
6526 | #endif | |
6527 | (S_GET_SEGMENT (symbolP) == bss_seg || (!S_IS_DEFINED (symbolP) && S_GET_VALUE (symbolP) == 0))) | |
6528 | { | |
6529 | char *pfrag; | |
6530 | ||
6531 | subseg_set (bss_seg, 1); | |
6532 | ||
6533 | if (align) | |
6534 | frag_align (align, 0, 0); | |
6535 | ||
6536 | /* Detach from old frag. */ | |
6537 | if (S_GET_SEGMENT (symbolP) == bss_seg) | |
6538 | symbol_get_frag (symbolP)->fr_symbol = NULL; | |
6539 | ||
6540 | symbol_set_frag (symbolP, frag_now); | |
6541 | pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, (offsetT) temp, NULL); | |
6542 | *pfrag = 0; | |
6543 | ||
6544 | ||
6545 | S_SET_SEGMENT (symbolP, bss_seg); | |
6546 | ||
6547 | #ifdef OBJ_COFF | |
6548 | /* The symbol may already have been created with a preceding | |
6549 | ".globl" directive -- be careful not to step on storage class | |
6550 | in that case. Otherwise, set it to static. */ | |
6551 | if (S_GET_STORAGE_CLASS (symbolP) != C_EXT) | |
6552 | { | |
6553 | S_SET_STORAGE_CLASS (symbolP, C_STAT); | |
6554 | } | |
6555 | #endif /* OBJ_COFF */ | |
6556 | ||
6557 | #ifdef S_SET_SIZE | |
6558 | S_SET_SIZE (symbolP, temp); | |
6559 | #endif | |
6560 | } | |
6561 | else | |
6562 | as_bad (_("symbol `%s' is already defined"), S_GET_NAME (symbolP)); | |
6563 | ||
6564 | subseg_set (current_seg, current_subseg); | |
6565 | ||
6566 | demand_empty_rest_of_line (); | |
6567 | } | |
6568 | ||
6569 | static void | |
6570 | insert_reg (const struct reg_entry *r, struct hash_control *htab) | |
6571 | { | |
6572 | int i = 0; | |
6573 | int len = strlen (r->name) + 2; | |
6574 | char *buf = xmalloc (len); | |
6575 | char *buf2 = xmalloc (len); | |
6576 | ||
6577 | strcpy (buf + i, r->name); | |
6578 | for (i = 0; buf[i]; i++) | |
6579 | { | |
6580 | buf2[i] = TOUPPER (buf[i]); | |
6581 | } | |
6582 | buf2[i] = '\0'; | |
6583 | ||
6584 | hash_insert (htab, buf, (void *) r); | |
6585 | hash_insert (htab, buf2, (void *) r); | |
6586 | } | |
6587 | ||
6588 | static void | |
6589 | build_reg_hsh (struct reg_map *map) | |
6590 | { | |
6591 | const struct reg_entry *r; | |
6592 | ||
6593 | if ((map->htab = hash_new ()) == NULL) | |
6594 | { | |
6595 | as_fatal (_("virtual memory exhausted")); | |
6596 | } | |
6597 | for (r = map->names; r->name != NULL; r++) | |
6598 | { | |
6599 | insert_reg (r, map->htab); | |
6600 | } | |
6601 | } | |
6602 | ||
6603 | void | |
6604 | md_begin (void) | |
6605 | { | |
6606 | unsigned int i; | |
6607 | segT seg; | |
6608 | subsegT subseg; | |
6609 | ||
6610 | if ((score_ops_hsh = hash_new ()) == NULL) | |
6611 | as_fatal (_("virtual memory exhausted")); | |
6612 | ||
6613 | build_score_ops_hsh (); | |
6614 | ||
6615 | if ((dependency_insn_hsh = hash_new ()) == NULL) | |
6616 | as_fatal (_("virtual memory exhausted")); | |
6617 | ||
6618 | build_dependency_insn_hsh (); | |
6619 | ||
6620 | for (i = (int)REG_TYPE_FIRST; i < (int)REG_TYPE_MAX; i++) | |
6621 | build_reg_hsh (all_reg_maps + i); | |
6622 | ||
6623 | /* Initialize dependency vector. */ | |
6624 | init_dependency_vector (); | |
6625 | ||
6626 | bfd_set_arch_mach (stdoutput, TARGET_ARCH, 0); | |
6627 | seg = now_seg; | |
6628 | subseg = now_subseg; | |
6629 | pdr_seg = subseg_new (".pdr", (subsegT) 0); | |
6630 | (void)bfd_set_section_flags (stdoutput, pdr_seg, SEC_READONLY | SEC_RELOC | SEC_DEBUGGING); | |
6631 | (void)bfd_set_section_alignment (stdoutput, pdr_seg, 2); | |
6632 | subseg_set (seg, subseg); | |
6633 | ||
6634 | if (USE_GLOBAL_POINTER_OPT) | |
6635 | bfd_set_gp_size (stdoutput, g_switch_value); | |
6636 | } | |
6637 | ||
6638 | ||
6639 | const pseudo_typeS md_pseudo_table[] = | |
6640 | { | |
6641 | {"bss", s_score_bss, 0}, | |
6642 | {"text", s_score_text, 0}, | |
6643 | {"word", cons, 4}, | |
6644 | {"long", cons, 4}, | |
6645 | {"extend", float_cons, 'x'}, | |
6646 | {"ldouble", float_cons, 'x'}, | |
6647 | {"packed", float_cons, 'p'}, | |
6648 | {"end", s_score_end, 0}, | |
6649 | {"ent", s_score_ent, 0}, | |
6650 | {"frame", s_score_frame, 0}, | |
6651 | {"rdata", s_change_sec, 'r'}, | |
6652 | {"sdata", s_change_sec, 's'}, | |
6653 | {"set", s_score_set, 0}, | |
6654 | {"mask", s_score_mask, 'R'}, | |
6655 | {"dword", cons, 8}, | |
6656 | {"lcomm", s_score_lcomm, 1}, | |
6657 | {"section", score_s_section, 0}, | |
6658 | {"cpload", s_score_cpload, 0}, | |
6659 | {"cprestore", s_score_cprestore, 0}, | |
6660 | {"gpword", s_score_gpword, 0}, | |
6661 | {"cpadd", s_score_cpadd, 0}, | |
6662 | {0, 0, 0} | |
6663 | }; | |
6664 |