1 | /*
|
---|
2 | * TCC auto test program
|
---|
3 | */
|
---|
4 | #include "config.h"
|
---|
5 |
|
---|
6 | #if GCC_MAJOR >= 3
|
---|
7 |
|
---|
8 | /* Unfortunately, gcc version < 3 does not handle that! */
|
---|
9 | #define ALL_ISOC99
|
---|
10 |
|
---|
11 | /* only gcc 3 handles _Bool correctly */
|
---|
12 | #define BOOL_ISOC99
|
---|
13 |
|
---|
14 | /* gcc 2.95.3 does not handle correctly CR in strings or after strays */
|
---|
15 | #define CORRECT_CR_HANDLING
|
---|
16 |
|
---|
17 | #endif
|
---|
18 |
|
---|
19 | #if defined(_WIN32)
|
---|
20 | #define LONG_LONG_FORMAT "%lld"
|
---|
21 | #define ULONG_LONG_FORMAT "%llu"
|
---|
22 | #else
|
---|
23 | #define LONG_LONG_FORMAT "%Ld"
|
---|
24 | #define ULONG_LONG_FORMAT "%Lu"
|
---|
25 | #endif
|
---|
26 |
|
---|
27 | // MinGW has 80-bit rather than 64-bit long double which isn't compatible with TCC or MSVC
|
---|
28 | #if defined(_WIN32) && defined(__GNUC__)
|
---|
29 | #define LONG_DOUBLE double
|
---|
30 | #define LONG_DOUBLE_LITERAL(x) x
|
---|
31 | #else
|
---|
32 | #define LONG_DOUBLE long double
|
---|
33 | #define LONG_DOUBLE_LITERAL(x) x ## L
|
---|
34 | #endif
|
---|
35 |
|
---|
36 | /* deprecated and no longer supported in gcc 3.3 */
|
---|
37 | //#define ACCEPT_CR_IN_STRINGS
|
---|
38 |
|
---|
39 | /* __VA_ARGS__ and __func__ support */
|
---|
40 | #define C99_MACROS
|
---|
41 |
|
---|
42 | /* test various include syntaxes */
|
---|
43 |
|
---|
44 | #define TCCLIB_INC <tcclib.h>
|
---|
45 | #define TCCLIB_INC1 <tcclib
|
---|
46 | #define TCCLIB_INC2 h>
|
---|
47 | #define TCCLIB_INC3 "tcclib.h"
|
---|
48 |
|
---|
49 | #include TCCLIB_INC
|
---|
50 |
|
---|
51 | #include TCCLIB_INC1.TCCLIB_INC2
|
---|
52 |
|
---|
53 | #include TCCLIB_INC1.h>
|
---|
54 |
|
---|
55 | #include TCCLIB_INC3
|
---|
56 |
|
---|
57 | #include <tcclib.h>
|
---|
58 |
|
---|
59 | #include "tcclib.h"
|
---|
60 |
|
---|
61 | #include "tcctest.h"
|
---|
62 |
|
---|
63 | /* Test two more ways to include a file named like a pp-number */
|
---|
64 | #define INC(name) <tests/name.h>
|
---|
65 | #define funnyname 42test.h
|
---|
66 | #define incdir tests/
|
---|
67 | #define incname < incdir funnyname >
|
---|
68 | #define __stringify(x) #x
|
---|
69 | #define stringify(x) __stringify(x)
|
---|
70 | #include INC(42test)
|
---|
71 | #include incname
|
---|
72 | #include stringify(funnyname)
|
---|
73 |
|
---|
74 | void intdiv_test();
|
---|
75 | void string_test();
|
---|
76 | void expr_test();
|
---|
77 | void macro_test();
|
---|
78 | void recursive_macro_test();
|
---|
79 | void scope_test();
|
---|
80 | void forward_test();
|
---|
81 | void funcptr_test();
|
---|
82 | void loop_test();
|
---|
83 | void switch_test();
|
---|
84 | void goto_test();
|
---|
85 | void enum_test();
|
---|
86 | void typedef_test();
|
---|
87 | void struct_test();
|
---|
88 | void array_test();
|
---|
89 | void expr_ptr_test();
|
---|
90 | void bool_test();
|
---|
91 | void optimize_out();
|
---|
92 | void expr2_test();
|
---|
93 | void constant_expr_test();
|
---|
94 | void expr_cmp_test();
|
---|
95 | void char_short_test();
|
---|
96 | void init_test(void);
|
---|
97 | void compound_literal_test(void);
|
---|
98 | int kr_test();
|
---|
99 | void struct_assign_test(void);
|
---|
100 | void cast_test(void);
|
---|
101 | void bitfield_test(void);
|
---|
102 | void c99_bool_test(void);
|
---|
103 | void float_test(void);
|
---|
104 | void longlong_test(void);
|
---|
105 | void manyarg_test(void);
|
---|
106 | void stdarg_test(void);
|
---|
107 | void whitespace_test(void);
|
---|
108 | void relocation_test(void);
|
---|
109 | void old_style_function(void);
|
---|
110 | void alloca_test(void);
|
---|
111 | void c99_vla_test(int size1, int size2);
|
---|
112 | void sizeof_test(void);
|
---|
113 | void typeof_test(void);
|
---|
114 | void local_label_test(void);
|
---|
115 | void statement_expr_test(void);
|
---|
116 | void asm_test(void);
|
---|
117 | void builtin_test(void);
|
---|
118 | void weak_test(void);
|
---|
119 | void global_data_test(void);
|
---|
120 | void cmp_comparison_test(void);
|
---|
121 | void math_cmp_test(void);
|
---|
122 | void callsave_test(void);
|
---|
123 | void builtin_frame_address_test(void);
|
---|
124 | void attrib_test(void);
|
---|
125 |
|
---|
126 | int fib(int n);
|
---|
127 | void num(int n);
|
---|
128 | void forward_ref(void);
|
---|
129 | int isid(int c);
|
---|
130 |
|
---|
131 | /* Line joining happens before tokenization, so the following
|
---|
132 | must be parsed as ellipsis. */
|
---|
133 | void funny_line_continuation (int, ..\
|
---|
134 | . );
|
---|
135 |
|
---|
136 | char via_volatile (char);
|
---|
137 |
|
---|
138 | #define A 2
|
---|
139 | #define N 1234 + A
|
---|
140 | #define pf printf
|
---|
141 | #define M1(a, b) (a) + (b)
|
---|
142 |
|
---|
143 | #define str\
|
---|
144 | (s) # s
|
---|
145 | #define glue(a, b) a ## b
|
---|
146 | #define xglue(a, b) glue(a, b)
|
---|
147 | #define HIGHLOW "hello"
|
---|
148 | #define LOW LOW ", world"
|
---|
149 |
|
---|
150 | static int onetwothree = 123;
|
---|
151 | #define onetwothree4 onetwothree
|
---|
152 | #define onetwothree xglue(onetwothree,4)
|
---|
153 |
|
---|
154 | #define min(a, b) ((a) < (b) ? (a) : (b))
|
---|
155 |
|
---|
156 | #ifdef C99_MACROS
|
---|
157 | #define dprintf(level,...) printf(__VA_ARGS__)
|
---|
158 | #endif
|
---|
159 |
|
---|
160 | /* gcc vararg macros */
|
---|
161 | #define dprintf1(level, fmt, args...) printf(fmt, ## args)
|
---|
162 |
|
---|
163 | #define MACRO_NOARGS()
|
---|
164 |
|
---|
165 | #define AAA 3
|
---|
166 | #undef AAA
|
---|
167 | #define AAA 4
|
---|
168 |
|
---|
169 | #if 1
|
---|
170 | #define B3 1
|
---|
171 | #elif 1
|
---|
172 | #define B3 2
|
---|
173 | #elif 0
|
---|
174 | #define B3 3
|
---|
175 | #else
|
---|
176 | #define B3 4
|
---|
177 | #endif
|
---|
178 |
|
---|
179 | #ifdef __TINYC__
|
---|
180 | /* We try to handle this syntax. Make at least sure it doesn't segfault. */
|
---|
181 | char invalid_function_def()[] {}
|
---|
182 | #endif
|
---|
183 |
|
---|
184 | #define __INT64_C(c) c ## LL
|
---|
185 | #define INT64_MIN (-__INT64_C(9223372036854775807)-1)
|
---|
186 |
|
---|
187 | int qq(int x)
|
---|
188 | {
|
---|
189 | return x + 40;
|
---|
190 | }
|
---|
191 | #define qq(x) x
|
---|
192 |
|
---|
193 | #define spin_lock(lock) do { } while (0)
|
---|
194 | #define wq_spin_lock spin_lock
|
---|
195 | #define TEST2() wq_spin_lock(a)
|
---|
196 |
|
---|
197 | #define UINT_MAX ((unsigned) -1)
|
---|
198 |
|
---|
199 | void intdiv_test(void)
|
---|
200 | {
|
---|
201 | printf("18/21=%u\n", 18/21);
|
---|
202 | printf("18%%21=%u\n", 18%21);
|
---|
203 | printf("41/21=%u\n", 41/21);
|
---|
204 | printf("41%%21=%u\n", 41%21);
|
---|
205 | printf("42/21=%u\n", 42/21);
|
---|
206 | printf("42%%21=%u\n", 42%21);
|
---|
207 | printf("43/21=%u\n", 43/21);
|
---|
208 | printf("43%%21=%u\n", 43%21);
|
---|
209 | printf("126/21=%u\n", 126/21);
|
---|
210 | printf("126%%21=%u\n", 126%21);
|
---|
211 | printf("131/21=%u\n", 131/21);
|
---|
212 | printf("131%%21=%u\n", 131%21);
|
---|
213 | printf("(UINT_MAX/2+3)/2=%u\n", (UINT_MAX/2+3)/2);
|
---|
214 | printf("(UINT_MAX/2+3)%%2=%u\n", (UINT_MAX/2+3)%2);
|
---|
215 |
|
---|
216 | printf("18/-21=%u\n", 18/-21);
|
---|
217 | printf("18%%-21=%u\n", 18%-21);
|
---|
218 | printf("41/-21=%u\n", 41/-21);
|
---|
219 | printf("41%%-21=%u\n", 41%-21);
|
---|
220 | printf("42/-21=%u\n", 42/-21);
|
---|
221 | printf("42%%-21=%u\n", 42%-21);
|
---|
222 | printf("43/-21=%u\n", 43/-21);
|
---|
223 | printf("43%%-21=%u\n", 43%-21);
|
---|
224 | printf("126/-21=%u\n", 126/-21);
|
---|
225 | printf("126%%-21=%u\n", 126%-21);
|
---|
226 | printf("131/-21=%u\n", 131/-21);
|
---|
227 | printf("131%%-21=%u\n", 131%-21);
|
---|
228 | printf("(UINT_MAX/2+3)/-2=%u\n", (UINT_MAX/2+3)/-2);
|
---|
229 | printf("(UINT_MAX/2+3)%%-2=%u\n", (UINT_MAX/2+3)%-2);
|
---|
230 |
|
---|
231 | printf("-18/21=%u\n", -18/21);
|
---|
232 | printf("-18%%21=%u\n", -18%21);
|
---|
233 | printf("-41/21=%u\n", -41/21);
|
---|
234 | printf("-41%%21=%u\n", -41%21);
|
---|
235 | printf("-42/21=%u\n", -42/21);
|
---|
236 | printf("-42%%21=%u\n", -42%21);
|
---|
237 | printf("-43/21=%u\n", -43/21);
|
---|
238 | printf("-43%%21=%u\n", -43%21);
|
---|
239 | printf("-126/21=%u\n", -126/21);
|
---|
240 | printf("-126%%21=%u\n", -126%21);
|
---|
241 | printf("-131/21=%u\n", -131/21);
|
---|
242 | printf("-131%%21=%u\n", -131%21);
|
---|
243 | printf("-(UINT_MAX/2+3)/2=%u\n", (0-(UINT_MAX/2+3))/2);
|
---|
244 | printf("-(UINT_MAX/2+3)%%2=%u\n", (0-(UINT_MAX/2+3))%2);
|
---|
245 |
|
---|
246 | printf("-18/-21=%u\n", -18/-21);
|
---|
247 | printf("-18%%-21=%u\n", -18%-21);
|
---|
248 | printf("-41/-21=%u\n", -41/-21);
|
---|
249 | printf("-41%%-21=%u\n", -41%-21);
|
---|
250 | printf("-42/-21=%u\n", -42/-21);
|
---|
251 | printf("-42%%-21=%u\n", -42%-21);
|
---|
252 | printf("-43/-21=%u\n", -43/-21);
|
---|
253 | printf("-43%%-21=%u\n", -43%-21);
|
---|
254 | printf("-126/-21=%u\n", -126/-21);
|
---|
255 | printf("-126%%-21=%u\n", -126%-21);
|
---|
256 | printf("-131/-21=%u\n", -131/-21);
|
---|
257 | printf("-131%%-21=%u\n", -131%-21);
|
---|
258 | printf("-(UINT_MAX/2+3)/-2=%u\n", (0-(UINT_MAX/2+3))/-2);
|
---|
259 | printf("-(UINT_MAX/2+3)%%-2=%u\n", (0-(UINT_MAX/2+3))%-2);
|
---|
260 | }
|
---|
261 |
|
---|
262 | void macro_test(void)
|
---|
263 | {
|
---|
264 | printf("macro:\n"); |
---|
265 | |
---|
266 |
|
---|
267 | pf("N=%d\n", N);
|
---|
268 | printf("aaa=%d\n", AAA);
|
---|
269 |
|
---|
270 | printf("min=%d\n", min(1, min(2, -1)));
|
---|
271 |
|
---|
272 | printf("s1=%s\n", glue(HIGH, LOW));
|
---|
273 | printf("s2=%s\n", xglue(HIGH, LOW));
|
---|
274 | printf("s3=%s\n", str("c"));
|
---|
275 | printf("s4=%s\n", str(a1));
|
---|
276 | printf("B3=%d\n", B3);
|
---|
277 |
|
---|
278 | printf("onetwothree=%d\n", onetwothree);
|
---|
279 |
|
---|
280 | #ifdef A
|
---|
281 | printf("A defined\n");
|
---|
282 | #endif
|
---|
283 | #ifdef B
|
---|
284 | printf("B defined\n");
|
---|
285 | #endif
|
---|
286 | #ifdef A
|
---|
287 | printf("A defined\n");
|
---|
288 | #else
|
---|
289 | printf("A not defined\n");
|
---|
290 | #endif
|
---|
291 | #ifdef B
|
---|
292 | printf("B defined\n");
|
---|
293 | #else
|
---|
294 | printf("B not defined\n");
|
---|
295 | #endif
|
---|
296 |
|
---|
297 | #ifdef A
|
---|
298 | printf("A defined\n");
|
---|
299 | #ifdef B
|
---|
300 | printf("B1 defined\n");
|
---|
301 | #else
|
---|
302 | printf("B1 not defined\n");
|
---|
303 | #endif
|
---|
304 | #else
|
---|
305 | printf("A not defined\n");
|
---|
306 | #ifdef B
|
---|
307 | printf("B2 defined\n");
|
---|
308 | #else
|
---|
309 | printf("B2 not defined\n");
|
---|
310 | #endif
|
---|
311 | #endif
|
---|
312 |
|
---|
313 | #if 1+1
|
---|
314 | printf("test true1\n");
|
---|
315 | #endif
|
---|
316 | #if 0
|
---|
317 | printf("test true2\n");
|
---|
318 | #endif
|
---|
319 | #if 1-1
|
---|
320 | printf("test true3\n");
|
---|
321 | #endif
|
---|
322 | #if defined(A)
|
---|
323 | printf("test trueA\n");
|
---|
324 | #endif
|
---|
325 | #if defined(B)
|
---|
326 | printf("test trueB\n");
|
---|
327 | #endif
|
---|
328 |
|
---|
329 | #if 0
|
---|
330 | printf("test 0\n");
|
---|
331 | #elif 0
|
---|
332 | printf("test 1\n");
|
---|
333 | #elif 2
|
---|
334 | printf("test 2\n");
|
---|
335 | #else
|
---|
336 | printf("test 3\n");
|
---|
337 | #endif
|
---|
338 |
|
---|
339 | MACRO_NOARGS();
|
---|
340 |
|
---|
341 | #ifdef __LINE__
|
---|
342 | printf("__LINE__ defined\n");
|
---|
343 | #endif
|
---|
344 |
|
---|
345 | printf("__LINE__=%d __FILE__=%s\n",
|
---|
346 | __LINE__, __FILE__);
|
---|
347 | #if 0
|
---|
348 | #line 200
|
---|
349 | printf("__LINE__=%d __FILE__=%s\n",
|
---|
350 | __LINE__, __FILE__);
|
---|
351 | #line 203 "test"
|
---|
352 | printf("__LINE__=%d __FILE__=%s\n",
|
---|
353 | __LINE__, __FILE__);
|
---|
354 | #line 227 "tcctest.c"
|
---|
355 | #endif
|
---|
356 |
|
---|
357 | /* not strictly preprocessor, but we test it there */
|
---|
358 | #ifdef C99_MACROS
|
---|
359 | printf("__func__ = %s\n", __func__);
|
---|
360 | dprintf(1, "vaarg=%d\n", 1);
|
---|
361 | #endif
|
---|
362 | dprintf1(1, "vaarg1\n");
|
---|
363 | dprintf1(1, "vaarg1=%d\n", 2);
|
---|
364 | dprintf1(1, "vaarg1=%d %d\n", 1, 2);
|
---|
365 |
|
---|
366 | /* gcc extension */
|
---|
367 | printf("func='%s'\n", __FUNCTION__);
|
---|
368 |
|
---|
369 | /* complicated macros in glibc */
|
---|
370 | printf("INT64_MIN=" LONG_LONG_FORMAT "\n", INT64_MIN);
|
---|
371 | {
|
---|
372 | int a;
|
---|
373 | a = 1;
|
---|
374 | glue(a+, +);
|
---|
375 | printf("a=%d\n", a);
|
---|
376 | glue(a <, <= 2);
|
---|
377 | printf("a=%d\n", a);
|
---|
378 | }
|
---|
379 |
|
---|
380 | /* macro function with argument outside the macro string */
|
---|
381 | #define MF_s MF_hello
|
---|
382 | #define MF_hello(msg) printf("%s\n",msg)
|
---|
383 |
|
---|
384 | #define MF_t printf("tralala\n"); MF_hello
|
---|
385 |
|
---|
386 | MF_s("hi");
|
---|
387 | MF_t("hi");
|
---|
388 |
|
---|
389 | /* test macro substitution inside args (should not eat stream) */
|
---|
390 | printf("qq=%d\n", qq(qq)(2));
|
---|
391 |
|
---|
392 | /* test zero argument case. NOTE: gcc 2.95.x does not accept a
|
---|
393 | null argument without a space. gcc 3.2 fixes that. */
|
---|
394 |
|
---|
395 | #define qq1(x) 1
|
---|
396 | printf("qq1=%d\n", qq1( ));
|
---|
397 |
|
---|
398 | /* comment with stray handling *\
|
---|
399 | /
|
---|
400 | /* this is a valid *\/ comment */
|
---|
401 | /* this is a valid comment *\*/
|
---|
402 | // this is a valid\
|
---|
403 | comment
|
---|
404 |
|
---|
405 | /* test function macro substitution when the function name is
|
---|
406 | substituted */
|
---|
407 | TEST2();
|
---|
408 |
|
---|
409 | /* And again when the name and parentheses are separated by a
|
---|
410 | comment. */
|
---|
411 | TEST2 /* the comment */ ();
|
---|
412 |
|
---|
413 | printf("%s\n", get_basefile_from_header());
|
---|
414 | printf("%s\n", __BASE_FILE__);
|
---|
415 | printf("%s\n", get_file_from_header());
|
---|
416 | printf("%s\n", __FILE__);
|
---|
417 |
|
---|
418 | /* Check that funnily named include was in fact included */
|
---|
419 | have_included_42test_h = 1;
|
---|
420 | have_included_42test_h_second = 1;
|
---|
421 | have_included_42test_h_third = 1;
|
---|
422 | }
|
---|
423 |
|
---|
424 |
|
---|
425 | static void print_num(char *fn, int line, int num) {
|
---|
426 | printf("fn %s, line %d, num %d\n", fn, line, num);
|
---|
427 | }
|
---|
428 |
|
---|
429 | void recursive_macro_test(void)
|
---|
430 | {
|
---|
431 |
|
---|
432 | #define ELF32_ST_TYPE(val) ((val) & 0xf)
|
---|
433 | #define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf))
|
---|
434 | #define STB_WEAK 2 /* Weak symbol */
|
---|
435 | #define ELFW(type) ELF##32##_##type
|
---|
436 | printf("%d\n", ELFW(ST_INFO)(STB_WEAK, ELFW(ST_TYPE)(123)));
|
---|
437 |
|
---|
438 | #define WRAP(x) x
|
---|
439 |
|
---|
440 | #define print_num(x) print_num(__FILE__,__LINE__,x)
|
---|
441 | print_num(123);
|
---|
442 | WRAP(print_num(123));
|
---|
443 | WRAP(WRAP(print_num(123)));
|
---|
444 |
|
---|
445 | static struct recursive_macro { int rm_field; } G;
|
---|
446 | #define rm_field (G.rm_field)
|
---|
447 | printf("rm_field = %d\n", rm_field);
|
---|
448 | printf("rm_field = %d\n", WRAP(rm_field));
|
---|
449 | WRAP((printf("rm_field = %d %d\n", rm_field, WRAP(rm_field))));
|
---|
450 | }
|
---|
451 |
|
---|
452 | int op(a,b)
|
---|
453 | {
|
---|
454 | return a / b;
|
---|
455 | }
|
---|
456 |
|
---|
457 | int ret(a)
|
---|
458 | {
|
---|
459 | if (a == 2)
|
---|
460 | return 1;
|
---|
461 | if (a == 3)
|
---|
462 | return 2;
|
---|
463 | return 0;
|
---|
464 | }
|
---|
465 |
|
---|
466 | void ps(const char *s)
|
---|
467 | {
|
---|
468 | int c;
|
---|
469 | while (1) {
|
---|
470 | c = *s;
|
---|
471 | if (c == 0)
|
---|
472 | break;
|
---|
473 | printf("%c", c);
|
---|
474 | s++;
|
---|
475 | }
|
---|
476 | }
|
---|
477 |
|
---|
478 | const char foo1_string[] = "\
|
---|
479 | bar\n\
|
---|
480 | test\14\
|
---|
481 | 1";
|
---|
482 |
|
---|
483 | void string_test()
|
---|
484 | {
|
---|
485 | unsigned int b;
|
---|
486 | printf("string:\n");
|
---|
487 | printf("\141\1423\143\n");/* dezdez test */
|
---|
488 | printf("\x41\x42\x43\x3a\n");
|
---|
489 | printf("c=%c\n", 'r');
|
---|
490 | printf("wc=%C 0x%lx %C\n", L'a', L'\x1234', L'c');
|
---|
491 | printf("foo1_string='%s'\n", foo1_string);
|
---|
492 | #if 0
|
---|
493 | printf("wstring=%S\n", L"abc");
|
---|
494 | printf("wstring=%S\n", L"abc" L"def" "ghi");
|
---|
495 | printf("'\\377'=%d '\\xff'=%d\n", '\377', '\xff');
|
---|
496 | printf("L'\\377'=%d L'\\xff'=%d\n", L'\377', L'\xff');
|
---|
497 | #endif
|
---|
498 | ps("test\n");
|
---|
499 | b = 32;
|
---|
500 | while ((b = b + 1) < 96) {
|
---|
501 | printf("%c", b);
|
---|
502 | }
|
---|
503 | printf("\n");
|
---|
504 | printf("fib=%d\n", fib(33));
|
---|
505 | b = 262144;
|
---|
506 | while (b != 0x80000000) {
|
---|
507 | num(b);
|
---|
508 | b = b * 2;
|
---|
509 | }
|
---|
510 | }
|
---|
511 |
|
---|
512 | void loop_test()
|
---|
513 | {
|
---|
514 | int i;
|
---|
515 | i = 0;
|
---|
516 | while (i < 10)
|
---|
517 | printf("%d", i++);
|
---|
518 | printf("\n");
|
---|
519 | for(i = 0; i < 10;i++)
|
---|
520 | printf("%d", i);
|
---|
521 | printf("\n");
|
---|
522 | i = 0;
|
---|
523 | do {
|
---|
524 | printf("%d", i++);
|
---|
525 | } while (i < 10);
|
---|
526 | printf("\n");
|
---|
527 |
|
---|
528 | char count = 123;
|
---|
529 | /* c99 for loop init test */
|
---|
530 | for (size_t count = 1; count < 3; count++)
|
---|
531 | printf("count=%d\n", count);
|
---|
532 | printf("count = %d\n", count);
|
---|
533 |
|
---|
534 | /* break/continue tests */
|
---|
535 | i = 0;
|
---|
536 | while (1) {
|
---|
537 | if (i == 6)
|
---|
538 | break;
|
---|
539 | i++;
|
---|
540 | if (i == 3)
|
---|
541 | continue;
|
---|
542 | printf("%d", i);
|
---|
543 | }
|
---|
544 | printf("\n");
|
---|
545 |
|
---|
546 | /* break/continue tests */
|
---|
547 | i = 0;
|
---|
548 | do {
|
---|
549 | if (i == 6)
|
---|
550 | break;
|
---|
551 | i++;
|
---|
552 | if (i == 3)
|
---|
553 | continue;
|
---|
554 | printf("%d", i);
|
---|
555 | } while(1);
|
---|
556 | printf("\n");
|
---|
557 |
|
---|
558 | for(i = 0;i < 10;i++) {
|
---|
559 | if (i == 3)
|
---|
560 | continue;
|
---|
561 | printf("%d", i);
|
---|
562 | }
|
---|
563 | printf("\n");
|
---|
564 | }
|
---|
565 |
|
---|
566 | typedef int typedef_and_label;
|
---|
567 |
|
---|
568 | void goto_test()
|
---|
569 | {
|
---|
570 | int i;
|
---|
571 | static void *label_table[3] = { &&label1, &&label2, &&label3 };
|
---|
572 |
|
---|
573 | printf("goto:\n");
|
---|
574 | i = 0;
|
---|
575 | /* This needs to parse as label, not as start of decl. */
|
---|
576 | typedef_and_label:
|
---|
577 | s_loop:
|
---|
578 | if (i >= 10)
|
---|
579 | goto s_end;
|
---|
580 | printf("%d", i);
|
---|
581 | i++;
|
---|
582 | goto s_loop;
|
---|
583 | s_end:
|
---|
584 | printf("\n");
|
---|
585 |
|
---|
586 | /* we also test computed gotos (GCC extension) */
|
---|
587 | for(i=0;i<3;i++) {
|
---|
588 | goto *label_table[i];
|
---|
589 | label1:
|
---|
590 | printf("label1\n");
|
---|
591 | goto next;
|
---|
592 | label2:
|
---|
593 | printf("label2\n");
|
---|
594 | goto next;
|
---|
595 | label3:
|
---|
596 | printf("label3\n");
|
---|
597 | next: ;
|
---|
598 | }
|
---|
599 | }
|
---|
600 |
|
---|
601 | enum {
|
---|
602 | E0,
|
---|
603 | E1 = 2,
|
---|
604 | E2 = 4,
|
---|
605 | E3,
|
---|
606 | E4,
|
---|
607 | };
|
---|
608 |
|
---|
609 | enum test {
|
---|
610 | E5 = 1000,
|
---|
611 | };
|
---|
612 |
|
---|
613 | struct S_enum {
|
---|
614 | enum {E6 = 42, E7, E8} e:8;
|
---|
615 | };
|
---|
616 |
|
---|
617 | enum ELong {
|
---|
618 | /* This is either 0 on L32 machines, or a large number
|
---|
619 | on L64 machines. We should be able to store this. */
|
---|
620 | EL_large = ((unsigned long)0xf000 << 31) << 1,
|
---|
621 | };
|
---|
622 |
|
---|
623 | enum { BIASU = -1U<<31 };
|
---|
624 | enum { BIASS = -1 << 31 };
|
---|
625 |
|
---|
626 | static int getint(int i)
|
---|
627 | {
|
---|
628 | if (i)
|
---|
629 | return 0;
|
---|
630 | else
|
---|
631 | return (int)(-1U << 31);
|
---|
632 | }
|
---|
633 |
|
---|
634 | void enum_test()
|
---|
635 | {
|
---|
636 | enum test b1;
|
---|
637 | /* The following should give no warning */
|
---|
638 | unsigned *p = &b1;
|
---|
639 | struct S_enum s = {E7};
|
---|
640 | printf("enum: %d\n", s.e);
|
---|
641 | printf("enum:\n%d %d %d %d %d %d\n",
|
---|
642 | E0, E1, E2, E3, E4, E5);
|
---|
643 | b1 = 1;
|
---|
644 | printf("b1=%d\n", b1);
|
---|
645 | printf("enum large: %ld\n", EL_large);
|
---|
646 |
|
---|
647 | if (getint(0) == BIASU)
|
---|
648 | printf("enum unsigned: ok\n");
|
---|
649 | else
|
---|
650 | printf("enum unsigned: wrong\n");
|
---|
651 | if (getint(0) == BIASS)
|
---|
652 | printf("enum unsigned: ok\n");
|
---|
653 | else
|
---|
654 | printf("enum unsigned: wrong\n");
|
---|
655 | }
|
---|
656 |
|
---|
657 | typedef int *my_ptr;
|
---|
658 |
|
---|
659 | typedef int mytype1;
|
---|
660 | typedef int mytype2;
|
---|
661 |
|
---|
662 | void typedef_test()
|
---|
663 | {
|
---|
664 | my_ptr a;
|
---|
665 | mytype1 mytype2;
|
---|
666 | int b;
|
---|
667 |
|
---|
668 | a = &b;
|
---|
669 | *a = 1234;
|
---|
670 | printf("typedef:\n");
|
---|
671 | printf("a=%d\n", *a);
|
---|
672 | mytype2 = 2;
|
---|
673 | printf("mytype2=%d\n", mytype2);
|
---|
674 | }
|
---|
675 |
|
---|
676 | void forward_test()
|
---|
677 | {
|
---|
678 | printf("forward:\n");
|
---|
679 | forward_ref();
|
---|
680 | forward_ref();
|
---|
681 | }
|
---|
682 |
|
---|
683 |
|
---|
684 | void forward_ref(void)
|
---|
685 | {
|
---|
686 | printf("forward ok\n");
|
---|
687 | }
|
---|
688 |
|
---|
689 | typedef struct struct1 {
|
---|
690 | int f1;
|
---|
691 | int f2, f3;
|
---|
692 | union union1 {
|
---|
693 | int v1;
|
---|
694 | int v2;
|
---|
695 | } u;
|
---|
696 | char str[3];
|
---|
697 | } struct1;
|
---|
698 |
|
---|
699 | struct struct2 {
|
---|
700 | int a;
|
---|
701 | char b;
|
---|
702 | };
|
---|
703 |
|
---|
704 | union union2 {
|
---|
705 | int w1;
|
---|
706 | int w2;
|
---|
707 | };
|
---|
708 |
|
---|
709 | struct struct1 st1, st2;
|
---|
710 |
|
---|
711 | struct empty_mem {
|
---|
712 | /* nothing */ ;
|
---|
713 | int x;
|
---|
714 | };
|
---|
715 |
|
---|
716 | int main(int argc, char **argv)
|
---|
717 | {
|
---|
718 | string_test();
|
---|
719 | expr_test();
|
---|
720 | macro_test();
|
---|
721 | recursive_macro_test();
|
---|
722 | scope_test();
|
---|
723 | forward_test();
|
---|
724 | funcptr_test();
|
---|
725 | loop_test();
|
---|
726 | switch_test();
|
---|
727 | goto_test();
|
---|
728 | enum_test();
|
---|
729 | typedef_test();
|
---|
730 | struct_test();
|
---|
731 | array_test();
|
---|
732 | expr_ptr_test();
|
---|
733 | bool_test();
|
---|
734 | optimize_out();
|
---|
735 | expr2_test();
|
---|
736 | constant_expr_test();
|
---|
737 | expr_cmp_test();
|
---|
738 | char_short_test();
|
---|
739 | init_test();
|
---|
740 | compound_literal_test();
|
---|
741 | kr_test();
|
---|
742 | struct_assign_test();
|
---|
743 | cast_test();
|
---|
744 | bitfield_test();
|
---|
745 | c99_bool_test();
|
---|
746 | float_test();
|
---|
747 | longlong_test();
|
---|
748 | manyarg_test();
|
---|
749 | stdarg_test();
|
---|
750 | whitespace_test();
|
---|
751 | relocation_test();
|
---|
752 | old_style_function();
|
---|
753 | alloca_test();
|
---|
754 | c99_vla_test(5, 2);
|
---|
755 | sizeof_test();
|
---|
756 | typeof_test();
|
---|
757 | statement_expr_test();
|
---|
758 | local_label_test();
|
---|
759 | asm_test();
|
---|
760 | builtin_test();
|
---|
761 | #ifndef _WIN32
|
---|
762 | weak_test();
|
---|
763 | #endif
|
---|
764 | global_data_test();
|
---|
765 | cmp_comparison_test();
|
---|
766 | math_cmp_test();
|
---|
767 | callsave_test();
|
---|
768 | builtin_frame_address_test();
|
---|
769 | intdiv_test();
|
---|
770 | if (via_volatile (42) != 42)
|
---|
771 | printf ("via_volatile broken\n");
|
---|
772 | attrib_test();
|
---|
773 | return 0;
|
---|
774 | }
|
---|
775 |
|
---|
776 | int tab[3];
|
---|
777 | int tab2[3][2];
|
---|
778 |
|
---|
779 | int g;
|
---|
780 |
|
---|
781 | void f1(g)
|
---|
782 | {
|
---|
783 | printf("g1=%d\n", g);
|
---|
784 | }
|
---|
785 |
|
---|
786 | void scope_test()
|
---|
787 | {
|
---|
788 | printf("scope:\n");
|
---|
789 | g = 2;
|
---|
790 | f1(1);
|
---|
791 | printf("g2=%d\n", g);
|
---|
792 | {
|
---|
793 | int g;
|
---|
794 | g = 3;
|
---|
795 | printf("g3=%d\n", g);
|
---|
796 | {
|
---|
797 | int g;
|
---|
798 | g = 4;
|
---|
799 | printf("g4=%d\n", g);
|
---|
800 | }
|
---|
801 | }
|
---|
802 | printf("g5=%d\n", g);
|
---|
803 | }
|
---|
804 |
|
---|
805 | void array_test()
|
---|
806 | {
|
---|
807 | int i, j, a[4];
|
---|
808 |
|
---|
809 | printf("array:\n");
|
---|
810 | printf("sizeof(a) = %d\n", sizeof(a));
|
---|
811 | printf("sizeof(\"a\") = %d\n", sizeof("a"));
|
---|
812 | #ifdef C99_MACROS
|
---|
813 | printf("sizeof(__func__) = %d\n", sizeof(__func__));
|
---|
814 | #endif
|
---|
815 | printf("sizeof tab %d\n", sizeof(tab));
|
---|
816 | printf("sizeof tab2 %d\n", sizeof tab2);
|
---|
817 | tab[0] = 1;
|
---|
818 | tab[1] = 2;
|
---|
819 | tab[2] = 3;
|
---|
820 | printf("%d %d %d\n", tab[0], tab[1], tab[2]);
|
---|
821 | for(i=0;i<3;i++)
|
---|
822 | for(j=0;j<2;j++)
|
---|
823 | tab2[i][j] = 10 * i + j;
|
---|
824 | for(i=0;i<3*2;i++) {
|
---|
825 | printf(" %3d", ((int *)tab2)[i]);
|
---|
826 | }
|
---|
827 | printf("\n");
|
---|
828 | printf("sizeof(size_t)=%d\n", sizeof(size_t));
|
---|
829 | printf("sizeof(ptrdiff_t)=%d\n", sizeof(ptrdiff_t));
|
---|
830 | }
|
---|
831 |
|
---|
832 | void expr_test()
|
---|
833 | {
|
---|
834 | int a, b;
|
---|
835 | a = 0;
|
---|
836 | printf("%d\n", a += 1);
|
---|
837 | printf("%d\n", a -= 2);
|
---|
838 | printf("%d\n", a *= 31232132);
|
---|
839 | printf("%d\n", a /= 4);
|
---|
840 | printf("%d\n", a %= 20);
|
---|
841 | printf("%d\n", a &= 6);
|
---|
842 | printf("%d\n", a ^= 7);
|
---|
843 | printf("%d\n", a |= 8);
|
---|
844 | printf("%d\n", a >>= 3);
|
---|
845 | printf("%d\n", a <<= 4);
|
---|
846 |
|
---|
847 | a = 22321;
|
---|
848 | b = -22321;
|
---|
849 | printf("%d\n", a + 1);
|
---|
850 | printf("%d\n", a - 2);
|
---|
851 | printf("%d\n", a * 312);
|
---|
852 | printf("%d\n", a / 4);
|
---|
853 | printf("%d\n", b / 4);
|
---|
854 | printf("%d\n", (unsigned)b / 4);
|
---|
855 | printf("%d\n", a % 20);
|
---|
856 | printf("%d\n", b % 20);
|
---|
857 | printf("%d\n", (unsigned)b % 20);
|
---|
858 | printf("%d\n", a & 6);
|
---|
859 | printf("%d\n", a ^ 7);
|
---|
860 | printf("%d\n", a | 8);
|
---|
861 | printf("%d\n", a >> 3);
|
---|
862 | printf("%d\n", b >> 3);
|
---|
863 | printf("%d\n", (unsigned)b >> 3);
|
---|
864 | printf("%d\n", a << 4);
|
---|
865 | printf("%d\n", ~a);
|
---|
866 | printf("%d\n", -a);
|
---|
867 | printf("%d\n", +a);
|
---|
868 |
|
---|
869 | printf("%d\n", 12 + 1);
|
---|
870 | printf("%d\n", 12 - 2);
|
---|
871 | printf("%d\n", 12 * 312);
|
---|
872 | printf("%d\n", 12 / 4);
|
---|
873 | printf("%d\n", 12 % 20);
|
---|
874 | printf("%d\n", 12 & 6);
|
---|
875 | printf("%d\n", 12 ^ 7);
|
---|
876 | printf("%d\n", 12 | 8);
|
---|
877 | printf("%d\n", 12 >> 2);
|
---|
878 | printf("%d\n", 12 << 4);
|
---|
879 | printf("%d\n", ~12);
|
---|
880 | printf("%d\n", -12);
|
---|
881 | printf("%d\n", +12);
|
---|
882 | printf("%d %d %d %d\n",
|
---|
883 | isid('a'),
|
---|
884 | isid('g'),
|
---|
885 | isid('T'),
|
---|
886 | isid('('));
|
---|
887 | }
|
---|
888 |
|
---|
889 | int isid(int c)
|
---|
890 | {
|
---|
891 | return (c >= 'a' & c <= 'z') | (c >= 'A' & c <= 'Z') | c == '_';
|
---|
892 | }
|
---|
893 |
|
---|
894 | /**********************/
|
---|
895 |
|
---|
896 | int vstack[10], *vstack_ptr;
|
---|
897 |
|
---|
898 | void vpush(int vt, int vc)
|
---|
899 | {
|
---|
900 | *vstack_ptr++ = vt;
|
---|
901 | *vstack_ptr++ = vc;
|
---|
902 | }
|
---|
903 |
|
---|
904 | void vpop(int *ft, int *fc)
|
---|
905 | {
|
---|
906 | *fc = *--vstack_ptr;
|
---|
907 | *ft = *--vstack_ptr;
|
---|
908 | }
|
---|
909 |
|
---|
910 | void expr2_test()
|
---|
911 | {
|
---|
912 | int a, b;
|
---|
913 |
|
---|
914 | printf("expr2:\n");
|
---|
915 | vstack_ptr = vstack;
|
---|
916 | vpush(1432432, 2);
|
---|
917 | vstack_ptr[-2] &= ~0xffffff80;
|
---|
918 | vpop(&a, &b);
|
---|
919 | printf("res= %d %d\n", a, b);
|
---|
920 | }
|
---|
921 |
|
---|
922 | void constant_expr_test()
|
---|
923 | {
|
---|
924 | int a;
|
---|
925 | printf("constant_expr:\n");
|
---|
926 | a = 3;
|
---|
927 | printf("%d\n", a * 16);
|
---|
928 | printf("%d\n", a * 1);
|
---|
929 | printf("%d\n", a + 0);
|
---|
930 | }
|
---|
931 |
|
---|
932 | int tab4[10];
|
---|
933 |
|
---|
934 | void expr_ptr_test()
|
---|
935 | {
|
---|
936 | int *p, *q;
|
---|
937 | int i = -1;
|
---|
938 |
|
---|
939 | printf("expr_ptr:\n");
|
---|
940 | p = tab4;
|
---|
941 | q = tab4 + 10;
|
---|
942 | printf("diff=%d\n", q - p);
|
---|
943 | p++;
|
---|
944 | printf("inc=%d\n", p - tab4);
|
---|
945 | p--;
|
---|
946 | printf("dec=%d\n", p - tab4);
|
---|
947 | ++p;
|
---|
948 | printf("inc=%d\n", p - tab4);
|
---|
949 | --p;
|
---|
950 | printf("dec=%d\n", p - tab4);
|
---|
951 | printf("add=%d\n", p + 3 - tab4);
|
---|
952 | printf("add=%d\n", 3 + p - tab4);
|
---|
953 |
|
---|
954 | /* check if 64bit support is ok */
|
---|
955 | q = p = 0;
|
---|
956 | q += i;
|
---|
957 | printf("%p %p %ld\n", q, p, p-q);
|
---|
958 | printf("%d %d %d %d %d %d\n",
|
---|
959 | p == q, p != q, p < q, p <= q, p >= q, p > q);
|
---|
960 | i = 0xf0000000;
|
---|
961 | p += i;
|
---|
962 | printf("%p %p %ld\n", q, p, p-q);
|
---|
963 | printf("%d %d %d %d %d %d\n",
|
---|
964 | p == q, p != q, p < q, p <= q, p >= q, p > q);
|
---|
965 | p = (int *)((char *)p + 0xf0000000);
|
---|
966 | printf("%p %p %ld\n", q, p, p-q);
|
---|
967 | printf("%d %d %d %d %d %d\n",
|
---|
968 | p == q, p != q, p < q, p <= q, p >= q, p > q);
|
---|
969 | p += 0xf0000000;
|
---|
970 | printf("%p %p %ld\n", q, p, p-q);
|
---|
971 | printf("%d %d %d %d %d %d\n",
|
---|
972 | p == q, p != q, p < q, p <= q, p >= q, p > q);
|
---|
973 | {
|
---|
974 | struct size12 {
|
---|
975 | int i, j, k;
|
---|
976 | };
|
---|
977 | struct size12 s[2], *sp = s;
|
---|
978 | int i, j;
|
---|
979 | sp->i = 42;
|
---|
980 | sp++;
|
---|
981 | j = -1;
|
---|
982 | printf("%d\n", sp[j].i);
|
---|
983 | }
|
---|
984 | #ifdef __LP64__
|
---|
985 | i = 1;
|
---|
986 | p = (int*)0x100000000UL + i;
|
---|
987 | i = ((long)p) >> 32;
|
---|
988 | printf("largeptr: %p %d\n", p, i);
|
---|
989 | #endif
|
---|
990 | }
|
---|
991 |
|
---|
992 | void expr_cmp_test()
|
---|
993 | {
|
---|
994 | int a, b;
|
---|
995 | printf("constant_expr:\n");
|
---|
996 | a = -1;
|
---|
997 | b = 1;
|
---|
998 | printf("%d\n", a == a);
|
---|
999 | printf("%d\n", a != a);
|
---|
1000 |
|
---|
1001 | printf("%d\n", a < b);
|
---|
1002 | printf("%d\n", a <= b);
|
---|
1003 | printf("%d\n", a <= a);
|
---|
1004 | printf("%d\n", b >= a);
|
---|
1005 | printf("%d\n", a >= a);
|
---|
1006 | printf("%d\n", b > a);
|
---|
1007 |
|
---|
1008 | printf("%d\n", (unsigned)a < b);
|
---|
1009 | printf("%d\n", (unsigned)a <= b);
|
---|
1010 | printf("%d\n", (unsigned)a <= a);
|
---|
1011 | printf("%d\n", (unsigned)b >= a);
|
---|
1012 | printf("%d\n", (unsigned)a >= a);
|
---|
1013 | printf("%d\n", (unsigned)b > a);
|
---|
1014 | }
|
---|
1015 |
|
---|
1016 | struct empty {
|
---|
1017 | };
|
---|
1018 |
|
---|
1019 | struct aligntest1 {
|
---|
1020 | char a[10];
|
---|
1021 | };
|
---|
1022 |
|
---|
1023 | struct aligntest2 {
|
---|
1024 | int a;
|
---|
1025 | char b[10];
|
---|
1026 | };
|
---|
1027 |
|
---|
1028 | struct aligntest3 {
|
---|
1029 | double a, b;
|
---|
1030 | };
|
---|
1031 |
|
---|
1032 | struct aligntest4 {
|
---|
1033 | double a[0];
|
---|
1034 | };
|
---|
1035 |
|
---|
1036 | struct __attribute__((aligned(16))) aligntest5
|
---|
1037 | {
|
---|
1038 | int i;
|
---|
1039 | };
|
---|
1040 | struct aligntest6
|
---|
1041 | {
|
---|
1042 | int i;
|
---|
1043 | } __attribute__((aligned(16)));
|
---|
1044 | struct aligntest7
|
---|
1045 | {
|
---|
1046 | int i;
|
---|
1047 | };
|
---|
1048 | struct aligntest5 altest5[2];
|
---|
1049 | struct aligntest6 altest6[2];
|
---|
1050 | int pad1;
|
---|
1051 | /* altest7 is correctly aligned to 16 bytes also with TCC,
|
---|
1052 | but __alignof__ returns the wrong result (4) because we
|
---|
1053 | can't store the alignment yet when specified on symbols
|
---|
1054 | directly (it's stored in the type so we'd need to make
|
---|
1055 | a copy of it). -- FIXED */
|
---|
1056 | struct aligntest7 altest7[2] __attribute__((aligned(16)));
|
---|
1057 |
|
---|
1058 | struct aligntest8
|
---|
1059 | {
|
---|
1060 | int i;
|
---|
1061 | } __attribute__((aligned(4096)));
|
---|
1062 |
|
---|
1063 | struct Large {
|
---|
1064 | unsigned long flags;
|
---|
1065 | union {
|
---|
1066 | void *u1;
|
---|
1067 | int *u2;
|
---|
1068 | };
|
---|
1069 |
|
---|
1070 | struct {
|
---|
1071 | union {
|
---|
1072 | unsigned long index;
|
---|
1073 | void *freelist;
|
---|
1074 | };
|
---|
1075 | union {
|
---|
1076 | unsigned long counters;
|
---|
1077 | struct {
|
---|
1078 | int bla;
|
---|
1079 | };
|
---|
1080 | };
|
---|
1081 | };
|
---|
1082 |
|
---|
1083 | union {
|
---|
1084 | struct {
|
---|
1085 | long u3;
|
---|
1086 | long u4;
|
---|
1087 | };
|
---|
1088 | void *u5;
|
---|
1089 | struct {
|
---|
1090 | unsigned long compound_head;
|
---|
1091 | unsigned int compound_dtor;
|
---|
1092 | unsigned int compound_order;
|
---|
1093 | };
|
---|
1094 | };
|
---|
1095 | } __attribute__((aligned(2 * sizeof(long))));
|
---|
1096 |
|
---|
1097 | typedef unsigned long long __attribute__((aligned(4))) unaligned_u64;
|
---|
1098 |
|
---|
1099 | struct aligntest9 {
|
---|
1100 | unsigned int buf_nr;
|
---|
1101 | unaligned_u64 start_lba;
|
---|
1102 | };
|
---|
1103 |
|
---|
1104 | struct aligntest10 {
|
---|
1105 | unsigned int buf_nr;
|
---|
1106 | unsigned long long start_lba;
|
---|
1107 | };
|
---|
1108 |
|
---|
1109 | void struct_test()
|
---|
1110 | {
|
---|
1111 | struct1 *s;
|
---|
1112 | union union2 u;
|
---|
1113 | struct Large ls;
|
---|
1114 |
|
---|
1115 | printf("struct:\n");
|
---|
1116 | printf("sizes: %d %d %d %d\n",
|
---|
1117 | sizeof(struct struct1),
|
---|
1118 | sizeof(struct struct2),
|
---|
1119 | sizeof(union union1),
|
---|
1120 | sizeof(union union2));
|
---|
1121 | printf("offsets: %d\n", (int)((char*)&st1.u.v1 - (char*)&st1));
|
---|
1122 | st1.f1 = 1;
|
---|
1123 | st1.f2 = 2;
|
---|
1124 | st1.f3 = 3;
|
---|
1125 | printf("st1: %d %d %d\n",
|
---|
1126 | st1.f1, st1.f2, st1.f3);
|
---|
1127 | st1.u.v1 = 1;
|
---|
1128 | st1.u.v2 = 2;
|
---|
1129 | printf("union1: %d\n", st1.u.v1);
|
---|
1130 | u.w1 = 1;
|
---|
1131 | u.w2 = 2;
|
---|
1132 | printf("union2: %d\n", u.w1);
|
---|
1133 | s = &st2;
|
---|
1134 | s->f1 = 3;
|
---|
1135 | s->f2 = 2;
|
---|
1136 | s->f3 = 1;
|
---|
1137 | printf("st2: %d %d %d\n",
|
---|
1138 | s->f1, s->f2, s->f3);
|
---|
1139 | printf("str_addr=%x\n", (int)st1.str - (int)&st1.f1);
|
---|
1140 |
|
---|
1141 | /* align / size tests */
|
---|
1142 | printf("aligntest1 sizeof=%d alignof=%d\n",
|
---|
1143 | sizeof(struct aligntest1), __alignof__(struct aligntest1));
|
---|
1144 | printf("aligntest2 sizeof=%d alignof=%d\n",
|
---|
1145 | sizeof(struct aligntest2), __alignof__(struct aligntest2));
|
---|
1146 | printf("aligntest3 sizeof=%d alignof=%d\n",
|
---|
1147 | sizeof(struct aligntest3), __alignof__(struct aligntest3));
|
---|
1148 | printf("aligntest4 sizeof=%d alignof=%d\n",
|
---|
1149 | sizeof(struct aligntest4), __alignof__(struct aligntest4));
|
---|
1150 | printf("aligntest5 sizeof=%d alignof=%d\n",
|
---|
1151 | sizeof(struct aligntest5), __alignof__(struct aligntest5));
|
---|
1152 | printf("aligntest6 sizeof=%d alignof=%d\n",
|
---|
1153 | sizeof(struct aligntest6), __alignof__(struct aligntest6));
|
---|
1154 | printf("aligntest7 sizeof=%d alignof=%d\n",
|
---|
1155 | sizeof(struct aligntest7), __alignof__(struct aligntest7));
|
---|
1156 | printf("aligntest8 sizeof=%d alignof=%d\n",
|
---|
1157 | sizeof(struct aligntest8), __alignof__(struct aligntest8));
|
---|
1158 | printf("aligntest9 sizeof=%d alignof=%d\n",
|
---|
1159 | sizeof(struct aligntest9), __alignof__(struct aligntest9));
|
---|
1160 | printf("aligntest10 sizeof=%d alignof=%d\n",
|
---|
1161 | sizeof(struct aligntest10), __alignof__(struct aligntest10));
|
---|
1162 | printf("altest5 sizeof=%d alignof=%d\n",
|
---|
1163 | sizeof(altest5), __alignof__(altest5));
|
---|
1164 | printf("altest6 sizeof=%d alignof=%d\n",
|
---|
1165 | sizeof(altest6), __alignof__(altest6));
|
---|
1166 | printf("altest7 sizeof=%d alignof=%d\n",
|
---|
1167 | sizeof(altest7), __alignof__(altest7));
|
---|
1168 |
|
---|
1169 | /* empty structures (GCC extension) */
|
---|
1170 | printf("sizeof(struct empty) = %d\n", sizeof(struct empty));
|
---|
1171 | printf("alignof(struct empty) = %d\n", __alignof__(struct empty));
|
---|
1172 |
|
---|
1173 | printf("Large: sizeof=%d\n", sizeof(ls));
|
---|
1174 | memset(&ls, 0, sizeof(ls));
|
---|
1175 | ls.compound_head = 42;
|
---|
1176 | printf("Large: offsetof(compound_head)=%d\n", (int)((char*)&ls.compound_head - (char*)&ls));
|
---|
1177 | }
|
---|
1178 |
|
---|
1179 | /* XXX: depend on endianness */
|
---|
1180 | void char_short_test()
|
---|
1181 | {
|
---|
1182 | int var1, var2;
|
---|
1183 |
|
---|
1184 | printf("char_short:\n");
|
---|
1185 |
|
---|
1186 | var1 = 0x01020304;
|
---|
1187 | var2 = 0xfffefdfc;
|
---|
1188 | printf("s8=%d %d\n",
|
---|
1189 | *(char *)&var1, *(char *)&var2);
|
---|
1190 | printf("u8=%d %d\n",
|
---|
1191 | *(unsigned char *)&var1, *(unsigned char *)&var2);
|
---|
1192 | printf("s16=%d %d\n",
|
---|
1193 | *(short *)&var1, *(short *)&var2);
|
---|
1194 | printf("u16=%d %d\n",
|
---|
1195 | *(unsigned short *)&var1, *(unsigned short *)&var2);
|
---|
1196 | printf("s32=%d %d\n",
|
---|
1197 | *(int *)&var1, *(int *)&var2);
|
---|
1198 | printf("u32=%d %d\n",
|
---|
1199 | *(unsigned int *)&var1, *(unsigned int *)&var2);
|
---|
1200 | *(char *)&var1 = 0x08;
|
---|
1201 | printf("var1=%x\n", var1);
|
---|
1202 | *(short *)&var1 = 0x0809;
|
---|
1203 | printf("var1=%x\n", var1);
|
---|
1204 | *(int *)&var1 = 0x08090a0b;
|
---|
1205 | printf("var1=%x\n", var1);
|
---|
1206 | }
|
---|
1207 |
|
---|
1208 | /******************/
|
---|
1209 |
|
---|
1210 | typedef struct Sym {
|
---|
1211 | int v;
|
---|
1212 | int t;
|
---|
1213 | int c;
|
---|
1214 | struct Sym *next;
|
---|
1215 | struct Sym *prev;
|
---|
1216 | } Sym;
|
---|
1217 |
|
---|
1218 | #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
|
---|
1219 | #define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
|
---|
1220 |
|
---|
1221 | static int toupper1(int a)
|
---|
1222 | {
|
---|
1223 | return TOUPPER(a);
|
---|
1224 | }
|
---|
1225 |
|
---|
1226 | static unsigned int calc_vm_flags(unsigned int prot)
|
---|
1227 | {
|
---|
1228 | unsigned int prot_bits;
|
---|
1229 | /* This used to segfault in some revisions: */
|
---|
1230 | prot_bits = ((0x1==0x00000001)?(prot&0x1):(prot&0x1)?0x00000001:0);
|
---|
1231 | return prot_bits;
|
---|
1232 | }
|
---|
1233 |
|
---|
1234 | void bool_test()
|
---|
1235 | {
|
---|
1236 | int *s, a, b, t, f, i;
|
---|
1237 |
|
---|
1238 | a = 0;
|
---|
1239 | s = (void*)0;
|
---|
1240 | printf("!s=%d\n", !s);
|
---|
1241 |
|
---|
1242 | if (!s || !s[0])
|
---|
1243 | a = 1;
|
---|
1244 | printf("a=%d\n", a);
|
---|
1245 |
|
---|
1246 | printf("a=%d %d %d\n", 0 || 0, 0 || 1, 1 || 1);
|
---|
1247 | printf("a=%d %d %d\n", 0 && 0, 0 && 1, 1 && 1);
|
---|
1248 | printf("a=%d %d\n", 1 ? 1 : 0, 0 ? 1 : 0);
|
---|
1249 | #if 1 && 1
|
---|
1250 | printf("a1\n");
|
---|
1251 | #endif
|
---|
1252 | #if 1 || 0
|
---|
1253 | printf("a2\n");
|
---|
1254 | #endif
|
---|
1255 | #if 1 ? 0 : 1
|
---|
1256 | printf("a3\n");
|
---|
1257 | #endif
|
---|
1258 | #if 0 ? 0 : 1
|
---|
1259 | printf("a4\n");
|
---|
1260 | #endif
|
---|
1261 |
|
---|
1262 | a = 4;
|
---|
1263 | printf("b=%d\n", a + (0 ? 1 : a / 2));
|
---|
1264 |
|
---|
1265 | /* test register spilling */
|
---|
1266 | a = 10;
|
---|
1267 | b = 10;
|
---|
1268 | a = (a + b) * ((a < b) ?
|
---|
1269 | ((b - a) * (a - b)): a + b);
|
---|
1270 | printf("a=%d\n", a);
|
---|
1271 |
|
---|
1272 | /* test complex || or && expressions */
|
---|
1273 | t = 1;
|
---|
1274 | f = 0;
|
---|
1275 | a = 32;
|
---|
1276 | printf("exp=%d\n", f == (32 <= a && a <= 3));
|
---|
1277 | printf("r=%d\n", (t || f) + (t && f));
|
---|
1278 |
|
---|
1279 | /* test ? : cast */
|
---|
1280 | {
|
---|
1281 | int aspect_on;
|
---|
1282 | int aspect_native = 65536;
|
---|
1283 | double bfu_aspect = 1.0;
|
---|
1284 | int aspect;
|
---|
1285 | for(aspect_on = 0; aspect_on < 2; aspect_on++) {
|
---|
1286 | aspect=aspect_on?(aspect_native*bfu_aspect+0.5):65535UL;
|
---|
1287 | printf("aspect=%d\n", aspect);
|
---|
1288 | }
|
---|
1289 | }
|
---|
1290 |
|
---|
1291 | /* test ? : GCC extension */
|
---|
1292 | {
|
---|
1293 | static int v1 = 34 ? : -1; /* constant case */
|
---|
1294 | static int v2 = 0 ? : -1; /* constant case */
|
---|
1295 | int a = 30;
|
---|
1296 |
|
---|
1297 | printf("%d %d\n", v1, v2);
|
---|
1298 | printf("%d %d\n", a - 30 ? : a * 2, a + 1 ? : a * 2);
|
---|
1299 | }
|
---|
1300 |
|
---|
1301 | /* again complex expression */
|
---|
1302 | for(i=0;i<256;i++) {
|
---|
1303 | if (toupper1 (i) != TOUPPER (i))
|
---|
1304 | printf("error %d\n", i);
|
---|
1305 | }
|
---|
1306 | printf ("bits = 0x%x\n", calc_vm_flags (0x1));
|
---|
1307 | }
|
---|
1308 |
|
---|
1309 | extern int undefined_function(void);
|
---|
1310 | extern int defined_function(void);
|
---|
1311 |
|
---|
1312 | static inline void refer_to_undefined(void)
|
---|
1313 | {
|
---|
1314 | undefined_function();
|
---|
1315 | }
|
---|
1316 |
|
---|
1317 | void optimize_out(void)
|
---|
1318 | {
|
---|
1319 | int i = 0 ? undefined_function() : defined_function();
|
---|
1320 | printf ("oo:%d\n", i);
|
---|
1321 | int j = 1 ? defined_function() : undefined_function();
|
---|
1322 | printf ("oo:%d\n", j);
|
---|
1323 | if (0)
|
---|
1324 | printf("oo:%d\n", undefined_function());
|
---|
1325 | else
|
---|
1326 | printf("oo:%d\n", defined_function());
|
---|
1327 | if (1)
|
---|
1328 | printf("oo:%d\n", defined_function());
|
---|
1329 | else
|
---|
1330 | printf("oo:%d\n", undefined_function());
|
---|
1331 | while (1) {
|
---|
1332 | printf("oow:%d\n", defined_function());
|
---|
1333 | break;
|
---|
1334 | printf("oow:%d\n", undefined_function());
|
---|
1335 | }
|
---|
1336 | j = 1;
|
---|
1337 | /* Following is a switch without {} block intentionally. */
|
---|
1338 | switch (j)
|
---|
1339 | case 1: break;
|
---|
1340 | printf ("oos:%d\n", defined_function());
|
---|
1341 | /* The following break shouldn't lead to disabled code after
|
---|
1342 | the while. */
|
---|
1343 | while (1)
|
---|
1344 | break;
|
---|
1345 | printf ("ool1:%d\n", defined_function());
|
---|
1346 | /* Same for the other types of loops. */
|
---|
1347 | do
|
---|
1348 | break;
|
---|
1349 | while (1);
|
---|
1350 | printf ("ool2:%d\n", defined_function());
|
---|
1351 | for (;;)
|
---|
1352 | break;
|
---|
1353 | printf ("ool3:%d\n", defined_function());
|
---|
1354 | /* Normal {} blocks without controlling statements
|
---|
1355 | shouldn't reactivate code emission */
|
---|
1356 | while (1) {
|
---|
1357 | {
|
---|
1358 | break;
|
---|
1359 | }
|
---|
1360 | printf ("ool4:%d\n", undefined_function());
|
---|
1361 | }
|
---|
1362 | j = 1;
|
---|
1363 | while (j) {
|
---|
1364 | if (j == 0)
|
---|
1365 | break; /* this break shouldn't disable code outside the if. */
|
---|
1366 | printf("ool5:%d\n", defined_function());
|
---|
1367 | j--;
|
---|
1368 | }
|
---|
1369 |
|
---|
1370 | j = 1;
|
---|
1371 | while (j) {
|
---|
1372 | if (1)
|
---|
1373 | j--;
|
---|
1374 | else
|
---|
1375 | breakhere: break;
|
---|
1376 | printf("ool6:%d\n", defined_function());
|
---|
1377 | goto breakhere;
|
---|
1378 | }
|
---|
1379 |
|
---|
1380 | /* Test that constants in logical && are optimized: */
|
---|
1381 | i = 0 && undefined_function();
|
---|
1382 | i = defined_function() && 0 && undefined_function();
|
---|
1383 | if (0 && undefined_function())
|
---|
1384 | undefined_function();
|
---|
1385 | if (defined_function() && 0)
|
---|
1386 | undefined_function();
|
---|
1387 | if (0 && 0)
|
---|
1388 | undefined_function();
|
---|
1389 | if (defined_function() && 0 && undefined_function())
|
---|
1390 | undefined_function();
|
---|
1391 | /* The same for || : */
|
---|
1392 | i = 1 || undefined_function();
|
---|
1393 | i = defined_function() || 1 || undefined_function();
|
---|
1394 | if (1 || undefined_function())
|
---|
1395 | ;
|
---|
1396 | else
|
---|
1397 | undefined_function();
|
---|
1398 | if (defined_function() || 1)
|
---|
1399 | ;
|
---|
1400 | else
|
---|
1401 | undefined_function();
|
---|
1402 | if (1 || 1)
|
---|
1403 | ;
|
---|
1404 | else
|
---|
1405 | undefined_function();
|
---|
1406 | if (defined_function() || 1 || undefined_function())
|
---|
1407 | ;
|
---|
1408 | else
|
---|
1409 | undefined_function();
|
---|
1410 |
|
---|
1411 | if (defined_function() && 0)
|
---|
1412 | refer_to_undefined();
|
---|
1413 |
|
---|
1414 | if (0) {
|
---|
1415 | (void)sizeof( ({
|
---|
1416 | do { } while (0);
|
---|
1417 | 0;
|
---|
1418 | }) );
|
---|
1419 | undefined_function();
|
---|
1420 | }
|
---|
1421 |
|
---|
1422 | /* Leave the "if(1)return; printf()" in this order and last in the function */
|
---|
1423 | if (1)
|
---|
1424 | return;
|
---|
1425 | printf ("oor:%d\n", undefined_function());
|
---|
1426 | }
|
---|
1427 |
|
---|
1428 | int defined_function(void)
|
---|
1429 | {
|
---|
1430 | static int i = 40;
|
---|
1431 | return i++;
|
---|
1432 | }
|
---|
1433 |
|
---|
1434 | /* GCC accepts that */
|
---|
1435 | static int tab_reinit[];
|
---|
1436 | static int tab_reinit[10];
|
---|
1437 |
|
---|
1438 | //int cinit1; /* a global variable can be defined several times without error ! */
|
---|
1439 | int cinit1;
|
---|
1440 | int cinit1;
|
---|
1441 | int cinit1 = 0;
|
---|
1442 | int *cinit2 = (int []){3, 2, 1};
|
---|
1443 |
|
---|
1444 | void compound_literal_test(void)
|
---|
1445 | {
|
---|
1446 | int *p, i;
|
---|
1447 | char *q, *q3;
|
---|
1448 |
|
---|
1449 | printf("compound_test:\n");
|
---|
1450 |
|
---|
1451 | p = (int []){1, 2, 3};
|
---|
1452 | for(i=0;i<3;i++)
|
---|
1453 | printf(" %d", p[i]);
|
---|
1454 | printf("\n");
|
---|
1455 |
|
---|
1456 | for(i=0;i<3;i++)
|
---|
1457 | printf("%d", cinit2[i]);
|
---|
1458 | printf("\n");
|
---|
1459 |
|
---|
1460 | q = "tralala1";
|
---|
1461 | printf("q1=%s\n", q);
|
---|
1462 |
|
---|
1463 | q = (char *){ "tralala2" };
|
---|
1464 | printf("q2=%s\n", q);
|
---|
1465 |
|
---|
1466 | q3 = (char *){ q };
|
---|
1467 | printf("q3=%s\n", q3);
|
---|
1468 |
|
---|
1469 | q = (char []){ "tralala3" };
|
---|
1470 | printf("q4=%s\n", q);
|
---|
1471 |
|
---|
1472 | #ifdef ALL_ISOC99
|
---|
1473 | p = (int []){1, 2, cinit1 + 3};
|
---|
1474 | for(i=0;i<3;i++)
|
---|
1475 | printf(" %d", p[i]);
|
---|
1476 | printf("\n");
|
---|
1477 |
|
---|
1478 | for(i=0;i<3;i++) {
|
---|
1479 | p = (int []){1, 2, 4 + i};
|
---|
1480 | printf("%d %d %d\n",
|
---|
1481 | p[0],
|
---|
1482 | p[1],
|
---|
1483 | p[2]);
|
---|
1484 | }
|
---|
1485 | #endif
|
---|
1486 | }
|
---|
1487 |
|
---|
1488 | /* K & R protos */
|
---|
1489 |
|
---|
1490 | kr_func1(a, b)
|
---|
1491 | {
|
---|
1492 | return a + b;
|
---|
1493 | }
|
---|
1494 |
|
---|
1495 | int kr_func2(a, b)
|
---|
1496 | {
|
---|
1497 | return a + b;
|
---|
1498 | }
|
---|
1499 |
|
---|
1500 | kr_test()
|
---|
1501 | {
|
---|
1502 | printf("kr_test:\n");
|
---|
1503 | printf("func1=%d\n", kr_func1(3, 4));
|
---|
1504 | printf("func2=%d\n", kr_func2(3, 4));
|
---|
1505 | return 0;
|
---|
1506 | }
|
---|
1507 |
|
---|
1508 | void num(int n)
|
---|
1509 | {
|
---|
1510 | char *tab, *p;
|
---|
1511 | tab = (char*)malloc(20);
|
---|
1512 | p = tab;
|
---|
1513 | while (1) {
|
---|
1514 | *p = 48 + (n % 10);
|
---|
1515 | p++;
|
---|
1516 | n = n / 10;
|
---|
1517 | if (n == 0)
|
---|
1518 | break;
|
---|
1519 | }
|
---|
1520 | while (p != tab) {
|
---|
1521 | p--;
|
---|
1522 | printf("%c", *p);
|
---|
1523 | }
|
---|
1524 | printf("\n");
|
---|
1525 | free(tab);
|
---|
1526 | }
|
---|
1527 |
|
---|
1528 | /* structure assignment tests */
|
---|
1529 | struct structa1 {
|
---|
1530 | int f1;
|
---|
1531 | char f2;
|
---|
1532 | };
|
---|
1533 |
|
---|
1534 | struct structa1 ssta1;
|
---|
1535 |
|
---|
1536 | void struct_assign_test1(struct structa1 s1, int t, float f)
|
---|
1537 | {
|
---|
1538 | printf("%d %d %d %f\n", s1.f1, s1.f2, t, f);
|
---|
1539 | }
|
---|
1540 |
|
---|
1541 | struct structa1 struct_assign_test2(struct structa1 s1, int t)
|
---|
1542 | {
|
---|
1543 | s1.f1 += t;
|
---|
1544 | s1.f2 -= t;
|
---|
1545 | return s1;
|
---|
1546 | }
|
---|
1547 |
|
---|
1548 | void struct_assign_test(void)
|
---|
1549 | {
|
---|
1550 | struct S {
|
---|
1551 | struct structa1 lsta1, lsta2;
|
---|
1552 | int i;
|
---|
1553 | } s, *ps;
|
---|
1554 |
|
---|
1555 | ps = &s;
|
---|
1556 | ps->i = 4;
|
---|
1557 | #if 0
|
---|
1558 | printf("struct_assign_test:\n");
|
---|
1559 |
|
---|
1560 | s.lsta1.f1 = 1;
|
---|
1561 | s.lsta1.f2 = 2;
|
---|
1562 | printf("%d %d\n", s.lsta1.f1, s.lsta1.f2);
|
---|
1563 | s.lsta2 = s.lsta1;
|
---|
1564 | printf("%d %d\n", s.lsta2.f1, s.lsta2.f2);
|
---|
1565 | #else
|
---|
1566 | s.lsta2.f1 = 1;
|
---|
1567 | s.lsta2.f2 = 2;
|
---|
1568 | #endif
|
---|
1569 | struct_assign_test1(ps->lsta2, 3, 4.5);
|
---|
1570 |
|
---|
1571 | printf("before call: %d %d\n", s.lsta2.f1, s.lsta2.f2);
|
---|
1572 | ps->lsta2 = struct_assign_test2(ps->lsta2, ps->i);
|
---|
1573 | printf("after call: %d %d\n", ps->lsta2.f1, ps->lsta2.f2);
|
---|
1574 |
|
---|
1575 | static struct {
|
---|
1576 | void (*elem)();
|
---|
1577 | } t[] = {
|
---|
1578 | /* XXX: we should allow this even without braces */
|
---|
1579 | { struct_assign_test }
|
---|
1580 | };
|
---|
1581 | printf("%d\n", struct_assign_test == t[0].elem);
|
---|
1582 | }
|
---|
1583 |
|
---|
1584 | /* casts to short/char */
|
---|
1585 |
|
---|
1586 | void cast1(char a, short b, unsigned char c, unsigned short d)
|
---|
1587 | {
|
---|
1588 | printf("%d %d %d %d\n", a, b, c, d);
|
---|
1589 | }
|
---|
1590 |
|
---|
1591 | char bcast;
|
---|
1592 | short scast;
|
---|
1593 |
|
---|
1594 | void cast_test()
|
---|
1595 | {
|
---|
1596 | int a;
|
---|
1597 | char c;
|
---|
1598 | char tab[10];
|
---|
1599 | unsigned b,d;
|
---|
1600 | short s;
|
---|
1601 | char *p = NULL;
|
---|
1602 | p -= 0x700000000042;
|
---|
1603 |
|
---|
1604 | printf("cast_test:\n");
|
---|
1605 | a = 0xfffff;
|
---|
1606 | cast1(a, a, a, a);
|
---|
1607 | a = 0xffffe;
|
---|
1608 | printf("%d %d %d %d\n",
|
---|
1609 | (char)(a + 1),
|
---|
1610 | (short)(a + 1),
|
---|
1611 | (unsigned char)(a + 1),
|
---|
1612 | (unsigned short)(a + 1));
|
---|
1613 | printf("%d %d %d %d\n",
|
---|
1614 | (char)0xfffff,
|
---|
1615 | (short)0xfffff,
|
---|
1616 | (unsigned char)0xfffff,
|
---|
1617 | (unsigned short)0xfffff);
|
---|
1618 |
|
---|
1619 | a = (bcast = 128) + 1;
|
---|
1620 | printf("%d\n", a);
|
---|
1621 | a = (scast = 65536) + 1;
|
---|
1622 | printf("%d\n", a);
|
---|
1623 |
|
---|
1624 | printf("sizeof(c) = %d, sizeof((int)c) = %d\n", sizeof(c), sizeof((int)c));
|
---|
1625 |
|
---|
1626 | /* test cast from unsigned to signed short to int */
|
---|
1627 | b = 0xf000;
|
---|
1628 | d = (short)b;
|
---|
1629 | printf("((unsigned)(short)0x%08x) = 0x%08x\n", b, d);
|
---|
1630 | b = 0xf0f0;
|
---|
1631 | d = (char)b;
|
---|
1632 | printf("((unsigned)(char)0x%08x) = 0x%08x\n", b, d);
|
---|
1633 |
|
---|
1634 | /* test implicit int casting for array accesses */
|
---|
1635 | c = 0;
|
---|
1636 | tab[1] = 2;
|
---|
1637 | tab[c] = 1;
|
---|
1638 | printf("%d %d\n", tab[0], tab[1]);
|
---|
1639 |
|
---|
1640 | /* test implicit casting on some operators */
|
---|
1641 | printf("sizeof(+(char)'a') = %d\n", sizeof(+(char)'a'));
|
---|
1642 | printf("sizeof(-(char)'a') = %d\n", sizeof(-(char)'a'));
|
---|
1643 | printf("sizeof(~(char)'a') = %d\n", sizeof(-(char)'a'));
|
---|
1644 |
|
---|
1645 | /* from pointer to integer types */
|
---|
1646 | printf("%d %d %ld %ld %lld %lld\n",
|
---|
1647 | (int)p, (unsigned int)p,
|
---|
1648 | (long)p, (unsigned long)p,
|
---|
1649 | (long long)p, (unsigned long long)p);
|
---|
1650 |
|
---|
1651 | /* from integers to pointers */
|
---|
1652 | printf("%p %p %p %p\n",
|
---|
1653 | (void *)a, (void *)b, (void *)c, (void *)d);
|
---|
1654 | }
|
---|
1655 |
|
---|
1656 | /* initializers tests */
|
---|
1657 | struct structinit1 {
|
---|
1658 | int f1;
|
---|
1659 | char f2;
|
---|
1660 | short f3;
|
---|
1661 | int farray[3];
|
---|
1662 | };
|
---|
1663 |
|
---|
1664 | int sinit1 = 2;
|
---|
1665 | int sinit2 = { 3 };
|
---|
1666 | int sinit3[3] = { 1, 2, {{3}}, };
|
---|
1667 | int sinit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
|
---|
1668 | int sinit5[3][2] = { 1, 2, 3, 4, 5, 6 };
|
---|
1669 | int sinit6[] = { 1, 2, 3 };
|
---|
1670 | int sinit7[] = { [2] = 3, [0] = 1, 2 };
|
---|
1671 | char sinit8[] = "hello" "trala";
|
---|
1672 |
|
---|
1673 | struct structinit1 sinit9 = { 1, 2, 3 };
|
---|
1674 | struct structinit1 sinit10 = { .f2 = 2, 3, .f1 = 1 };
|
---|
1675 | struct structinit1 sinit11 = { .f2 = 2, 3, .f1 = 1,
|
---|
1676 | #ifdef ALL_ISOC99
|
---|
1677 | .farray[0] = 10,
|
---|
1678 | .farray[1] = 11,
|
---|
1679 | .farray[2] = 12,
|
---|
1680 | #endif
|
---|
1681 | };
|
---|
1682 |
|
---|
1683 | char *sinit12 = "hello world";
|
---|
1684 | char *sinit13[] = {
|
---|
1685 | "test1",
|
---|
1686 | "test2",
|
---|
1687 | "test3",
|
---|
1688 | };
|
---|
1689 | char sinit14[10] = { "abc" };
|
---|
1690 | int sinit15[3] = { sizeof(sinit15), 1, 2 };
|
---|
1691 |
|
---|
1692 | struct { int a[3], b; } sinit16[] = { { 1 }, 2 };
|
---|
1693 |
|
---|
1694 | struct bar {
|
---|
1695 | char *s;
|
---|
1696 | int len;
|
---|
1697 | } sinit17[] = {
|
---|
1698 | "a1", 4,
|
---|
1699 | "a2", 1
|
---|
1700 | };
|
---|
1701 |
|
---|
1702 | int sinit18[10] = {
|
---|
1703 | [2 ... 5] = 20,
|
---|
1704 | 2,
|
---|
1705 | [8] = 10,
|
---|
1706 | };
|
---|
1707 |
|
---|
1708 | struct complexinit0 {
|
---|
1709 | int a;
|
---|
1710 | int b;
|
---|
1711 | };
|
---|
1712 |
|
---|
1713 | struct complexinit {
|
---|
1714 | int a;
|
---|
1715 | const struct complexinit0 *b;
|
---|
1716 | };
|
---|
1717 |
|
---|
1718 | const static struct complexinit cix[] = {
|
---|
1719 | [0] = {
|
---|
1720 | .a = 2000,
|
---|
1721 | .b = (const struct complexinit0[]) {
|
---|
1722 | { 2001, 2002 },
|
---|
1723 | { 2003, 2003 },
|
---|
1724 | {}
|
---|
1725 | }
|
---|
1726 | }
|
---|
1727 | };
|
---|
1728 |
|
---|
1729 | struct complexinit2 {
|
---|
1730 | int a;
|
---|
1731 | int b[];
|
---|
1732 | };
|
---|
1733 |
|
---|
1734 | struct complexinit2 cix20;
|
---|
1735 |
|
---|
1736 | struct complexinit2 cix21 = {
|
---|
1737 | .a = 3000,
|
---|
1738 | .b = { 3001, 3002, 3003 }
|
---|
1739 | };
|
---|
1740 |
|
---|
1741 | struct complexinit2 cix22 = {
|
---|
1742 | .a = 4000,
|
---|
1743 | .b = { 4001, 4002, 4003, 4004, 4005, 4006 }
|
---|
1744 | };
|
---|
1745 |
|
---|
1746 | typedef int arrtype1[];
|
---|
1747 | arrtype1 sinit19 = {1};
|
---|
1748 | arrtype1 sinit20 = {2,3};
|
---|
1749 | typedef int arrtype2[3];
|
---|
1750 | arrtype2 sinit21 = {4};
|
---|
1751 | arrtype2 sinit22 = {5,6,7};
|
---|
1752 |
|
---|
1753 | /* Address comparisons of non-weak symbols with zero can be const-folded */
|
---|
1754 | int sinit23[2] = { "astring" ? sizeof("astring") : -1,
|
---|
1755 | &sinit23 ? 42 : -1 };
|
---|
1756 |
|
---|
1757 | extern int external_inited = 42;
|
---|
1758 |
|
---|
1759 | void init_test(void)
|
---|
1760 | {
|
---|
1761 | int linit1 = 2;
|
---|
1762 | int linit2 = { 3 };
|
---|
1763 | int linit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
|
---|
1764 | int linit6[] = { 1, 2, 3 };
|
---|
1765 | int i, j;
|
---|
1766 | char linit8[] = "hello" "trala";
|
---|
1767 | int linit12[10] = { 1, 2 };
|
---|
1768 | int linit13[10] = { 1, 2, [7] = 3, [3] = 4, };
|
---|
1769 | char linit14[10] = "abc";
|
---|
1770 | int linit15[10] = { linit1, linit1 + 1, [6] = linit1 + 2, };
|
---|
1771 | struct linit16 { int a1, a2, a3, a4; } linit16 = { 1, .a3 = 2 };
|
---|
1772 | int linit17 = sizeof(linit17);
|
---|
1773 | int zero = 0;
|
---|
1774 | /* Addresses on non-weak symbols are non-zero, but not the access itself */
|
---|
1775 | int linit18[2] = {&zero ? 1 : -1, zero ? -1 : 1 };
|
---|
1776 |
|
---|
1777 | printf("init_test:\n");
|
---|
1778 |
|
---|
1779 | printf("sinit1=%d\n", sinit1);
|
---|
1780 | printf("sinit2=%d\n", sinit2);
|
---|
1781 | printf("sinit3=%d %d %d %d\n",
|
---|
1782 | sizeof(sinit3),
|
---|
1783 | sinit3[0],
|
---|
1784 | sinit3[1],
|
---|
1785 | sinit3[2]
|
---|
1786 | );
|
---|
1787 | printf("sinit6=%d\n", sizeof(sinit6));
|
---|
1788 | printf("sinit7=%d %d %d %d\n",
|
---|
1789 | sizeof(sinit7),
|
---|
1790 | sinit7[0],
|
---|
1791 | sinit7[1],
|
---|
1792 | sinit7[2]
|
---|
1793 | );
|
---|
1794 | printf("sinit8=%s\n", sinit8);
|
---|
1795 | printf("sinit9=%d %d %d\n",
|
---|
1796 | sinit9.f1,
|
---|
1797 | sinit9.f2,
|
---|
1798 | sinit9.f3
|
---|
1799 | );
|
---|
1800 | printf("sinit10=%d %d %d\n",
|
---|
1801 | sinit10.f1,
|
---|
1802 | sinit10.f2,
|
---|
1803 | sinit10.f3
|
---|
1804 | );
|
---|
1805 | printf("sinit11=%d %d %d %d %d %d\n",
|
---|
1806 | sinit11.f1,
|
---|
1807 | sinit11.f2,
|
---|
1808 | sinit11.f3,
|
---|
1809 | sinit11.farray[0],
|
---|
1810 | sinit11.farray[1],
|
---|
1811 | sinit11.farray[2]
|
---|
1812 | );
|
---|
1813 |
|
---|
1814 | for(i=0;i<3;i++)
|
---|
1815 | for(j=0;j<2;j++)
|
---|
1816 | printf("[%d][%d] = %d %d %d\n",
|
---|
1817 | i, j, sinit4[i][j], sinit5[i][j], linit4[i][j]);
|
---|
1818 | printf("linit1=%d\n", linit1);
|
---|
1819 | printf("linit2=%d\n", linit2);
|
---|
1820 | printf("linit6=%d\n", sizeof(linit6));
|
---|
1821 | printf("linit8=%d %s\n", sizeof(linit8), linit8);
|
---|
1822 |
|
---|
1823 | printf("sinit12=%s\n", sinit12);
|
---|
1824 | printf("sinit13=%d %s %s %s\n",
|
---|
1825 | sizeof(sinit13),
|
---|
1826 | sinit13[0],
|
---|
1827 | sinit13[1],
|
---|
1828 | sinit13[2]);
|
---|
1829 | printf("sinit14=%s\n", sinit14);
|
---|
1830 |
|
---|
1831 | for(i=0;i<10;i++) printf(" %d", linit12[i]);
|
---|
1832 | printf("\n");
|
---|
1833 | for(i=0;i<10;i++) printf(" %d", linit13[i]);
|
---|
1834 | printf("\n");
|
---|
1835 | for(i=0;i<10;i++) printf(" %d", linit14[i]);
|
---|
1836 | printf("\n");
|
---|
1837 | for(i=0;i<10;i++) printf(" %d", linit15[i]);
|
---|
1838 | printf("\n");
|
---|
1839 | printf("%d %d %d %d\n",
|
---|
1840 | linit16.a1,
|
---|
1841 | linit16.a2,
|
---|
1842 | linit16.a3,
|
---|
1843 | linit16.a4);
|
---|
1844 | /* test that initialisation is done after variable declare */
|
---|
1845 | printf("linit17=%d\n", linit17);
|
---|
1846 | printf("sinit15=%d\n", sinit15[0]);
|
---|
1847 | printf("sinit16=%d %d\n", sinit16[0].a[0], sinit16[1].a[0]);
|
---|
1848 | printf("sinit17=%s %d %s %d\n",
|
---|
1849 | sinit17[0].s, sinit17[0].len,
|
---|
1850 | sinit17[1].s, sinit17[1].len);
|
---|
1851 | for(i=0;i<10;i++)
|
---|
1852 | printf("%x ", sinit18[i]);
|
---|
1853 | printf("\n");
|
---|
1854 | /* complex init check */
|
---|
1855 | printf("cix: %d %d %d %d %d %d %d\n",
|
---|
1856 | cix[0].a,
|
---|
1857 | cix[0].b[0].a, cix[0].b[0].b,
|
---|
1858 | cix[0].b[1].a, cix[0].b[1].b,
|
---|
1859 | cix[0].b[2].a, cix[0].b[2].b);
|
---|
1860 | printf("cix2: %d %d\n", cix21.b[2], cix22.b[5]);
|
---|
1861 | printf("sizeof cix20 %d, cix21 %d, sizeof cix22 %d\n", sizeof cix20, sizeof cix21, sizeof cix22);
|
---|
1862 |
|
---|
1863 | printf("arrtype1: %d %d %d\n", sinit19[0], sinit20[0], sinit20[1]);
|
---|
1864 | printf("arrtype2: %d %d\n", sizeof(sinit19), sizeof(sinit20));
|
---|
1865 | printf("arrtype3: %d %d %d\n", sinit21[0], sinit21[1], sinit21[2]);
|
---|
1866 | printf("arrtype4: %d %d %d\n", sinit22[0], sinit22[1], sinit22[2]);
|
---|
1867 | printf("arrtype5: %d %d\n", sizeof(sinit21), sizeof(sinit22));
|
---|
1868 | printf("arrtype6: %d\n", sizeof(arrtype2));
|
---|
1869 |
|
---|
1870 | printf("sinit23= %d %d\n", sinit23[0], sinit23[1]);
|
---|
1871 | printf("linit18= %d %d\n", linit18[0], linit18[1]);
|
---|
1872 | }
|
---|
1873 |
|
---|
1874 | void switch_uc(unsigned char uc)
|
---|
1875 | {
|
---|
1876 | switch (uc) {
|
---|
1877 | case 0xfb ... 0xfe:
|
---|
1878 | printf("ucsw:1\n");
|
---|
1879 | break;
|
---|
1880 | case 0xff:
|
---|
1881 | printf("ucsw:2\n");
|
---|
1882 | break;
|
---|
1883 | case 0 ... 5:
|
---|
1884 | printf("ucsw:3\n");
|
---|
1885 | break;
|
---|
1886 | default:
|
---|
1887 | printf("ucsw: broken!\n");
|
---|
1888 | }
|
---|
1889 | }
|
---|
1890 |
|
---|
1891 | void switch_sc(signed char sc)
|
---|
1892 | {
|
---|
1893 | switch (sc) {
|
---|
1894 | case -5 ... -2:
|
---|
1895 | printf("scsw:1\n");
|
---|
1896 | break;
|
---|
1897 | case -1:
|
---|
1898 | printf("scsw:2\n");
|
---|
1899 | break;
|
---|
1900 | case 0 ... 5:
|
---|
1901 | printf("scsw:3\n");
|
---|
1902 | break;
|
---|
1903 | default:
|
---|
1904 | printf("scsw: broken!\n");
|
---|
1905 | }
|
---|
1906 | }
|
---|
1907 |
|
---|
1908 | void switch_test()
|
---|
1909 | {
|
---|
1910 | int i;
|
---|
1911 | unsigned long long ull;
|
---|
1912 | long long ll;
|
---|
1913 |
|
---|
1914 | for(i=0;i<15;i++) {
|
---|
1915 | switch(i) {
|
---|
1916 | case 0:
|
---|
1917 | case 1:
|
---|
1918 | printf("a");
|
---|
1919 | break;
|
---|
1920 | default:
|
---|
1921 | printf("%d", i);
|
---|
1922 | break;
|
---|
1923 | case 8 ... 12:
|
---|
1924 | printf("c");
|
---|
1925 | break;
|
---|
1926 | case 3:
|
---|
1927 | printf("b");
|
---|
1928 | break;
|
---|
1929 | case 0xc33c6b9fU:
|
---|
1930 | case 0x7c9eeeb9U:
|
---|
1931 | break;
|
---|
1932 | }
|
---|
1933 | }
|
---|
1934 | printf("\n");
|
---|
1935 |
|
---|
1936 | for (i = 1; i <= 5; i++) {
|
---|
1937 | ull = (unsigned long long)i << 61;
|
---|
1938 | switch (ull) {
|
---|
1939 | case 1ULL << 61:
|
---|
1940 | printf("ullsw:1\n");
|
---|
1941 | break;
|
---|
1942 | case 2ULL << 61:
|
---|
1943 | printf("ullsw:2\n");
|
---|
1944 | break;
|
---|
1945 | case 3ULL << 61:
|
---|
1946 | printf("ullsw:3\n");
|
---|
1947 | break;
|
---|
1948 | case 4ULL << 61:
|
---|
1949 | printf("ullsw:4\n");
|
---|
1950 | break;
|
---|
1951 | case 5ULL << 61:
|
---|
1952 | printf("ullsw:5\n");
|
---|
1953 | break;
|
---|
1954 | default:
|
---|
1955 | printf("ullsw: broken!\n");
|
---|
1956 | }
|
---|
1957 | }
|
---|
1958 |
|
---|
1959 | for (i = 1; i <= 5; i++) {
|
---|
1960 | ll = (long long)i << 61;
|
---|
1961 | switch (ll) {
|
---|
1962 | case 1LL << 61:
|
---|
1963 | printf("llsw:1\n");
|
---|
1964 | break;
|
---|
1965 | case 2LL << 61:
|
---|
1966 | printf("llsw:2\n");
|
---|
1967 | break;
|
---|
1968 | case 3LL << 61:
|
---|
1969 | printf("llsw:3\n");
|
---|
1970 | break;
|
---|
1971 | case 4LL << 61:
|
---|
1972 | printf("llsw:4\n");
|
---|
1973 | break;
|
---|
1974 | case 5LL << 61:
|
---|
1975 | printf("llsw:5\n");
|
---|
1976 | break;
|
---|
1977 | default:
|
---|
1978 | printf("llsw: broken!\n");
|
---|
1979 | }
|
---|
1980 | }
|
---|
1981 |
|
---|
1982 | for (i = -5; i <= 5; i++) {
|
---|
1983 | switch_uc((unsigned char)i);
|
---|
1984 | }
|
---|
1985 |
|
---|
1986 | for (i = -5; i <= 5; i++) {
|
---|
1987 | switch_sc ((signed char)i);
|
---|
1988 | }
|
---|
1989 | }
|
---|
1990 |
|
---|
1991 | /* ISOC99 _Bool type */
|
---|
1992 | void c99_bool_test(void)
|
---|
1993 | {
|
---|
1994 | #ifdef BOOL_ISOC99
|
---|
1995 | int a;
|
---|
1996 | _Bool b;
|
---|
1997 |
|
---|
1998 | printf("bool_test:\n");
|
---|
1999 | printf("sizeof(_Bool) = %d\n", sizeof(_Bool));
|
---|
2000 | a = 3;
|
---|
2001 | printf("cast: %d %d %d\n", (_Bool)10, (_Bool)0, (_Bool)a);
|
---|
2002 | b = 3;
|
---|
2003 | printf("b = %d\n", b);
|
---|
2004 | b++;
|
---|
2005 | printf("b = %d\n", b);
|
---|
2006 | #endif
|
---|
2007 | }
|
---|
2008 |
|
---|
2009 | void bitfield_test(void)
|
---|
2010 | {
|
---|
2011 | int a;
|
---|
2012 | short sa;
|
---|
2013 | unsigned char ca;
|
---|
2014 | struct sbf1 {
|
---|
2015 | int f1 : 3;
|
---|
2016 | int : 2;
|
---|
2017 | int f2 : 1;
|
---|
2018 | int : 0;
|
---|
2019 | int f3 : 5;
|
---|
2020 | int f4 : 7;
|
---|
2021 | unsigned int f5 : 7;
|
---|
2022 | } st1;
|
---|
2023 | printf("bitfield_test:");
|
---|
2024 | printf("sizeof(st1) = %d\n", sizeof(st1));
|
---|
2025 |
|
---|
2026 | st1.f1 = 3;
|
---|
2027 | st1.f2 = 1;
|
---|
2028 | st1.f3 = 15;
|
---|
2029 | a = 120;
|
---|
2030 | st1.f4 = a;
|
---|
2031 | st1.f5 = a;
|
---|
2032 | st1.f5++;
|
---|
2033 | printf("%d %d %d %d %d\n",
|
---|
2034 | st1.f1, st1.f2, st1.f3, st1.f4, st1.f5);
|
---|
2035 | sa = st1.f5;
|
---|
2036 | ca = st1.f5;
|
---|
2037 | printf("%d %d\n", sa, ca);
|
---|
2038 |
|
---|
2039 | st1.f1 = 7;
|
---|
2040 | if (st1.f1 == -1)
|
---|
2041 | printf("st1.f1 == -1\n");
|
---|
2042 | else
|
---|
2043 | printf("st1.f1 != -1\n");
|
---|
2044 | if (st1.f2 == -1)
|
---|
2045 | printf("st1.f2 == -1\n");
|
---|
2046 | else
|
---|
2047 | printf("st1.f2 != -1\n");
|
---|
2048 |
|
---|
2049 | struct sbf2 {
|
---|
2050 | long long f1 : 45;
|
---|
2051 | long long : 2;
|
---|
2052 | long long f2 : 35;
|
---|
2053 | unsigned long long f3 : 38;
|
---|
2054 | } st2;
|
---|
2055 | st2.f1 = 0x123456789ULL;
|
---|
2056 | a = 120;
|
---|
2057 | st2.f2 = (long long)a << 25;
|
---|
2058 | st2.f3 = a;
|
---|
2059 | st2.f2++;
|
---|
2060 | printf("%lld %lld %lld\n", st2.f1, st2.f2, st2.f3);
|
---|
2061 |
|
---|
2062 | #if 0
|
---|
2063 | Disabled for now until further clarification re GCC compatibility
|
---|
2064 | struct sbf3 {
|
---|
2065 | int f1 : 7;
|
---|
2066 | int f2 : 1;
|
---|
2067 | char f3;
|
---|
2068 | int f4 : 8;
|
---|
2069 | int f5 : 1;
|
---|
2070 | int f6 : 16;
|
---|
2071 | } st3;
|
---|
2072 | printf("sizeof(st3) = %d\n", sizeof(st3));
|
---|
2073 | #endif
|
---|
2074 |
|
---|
2075 | struct sbf4 {
|
---|
2076 | int x : 31;
|
---|
2077 | char y : 2;
|
---|
2078 | } st4;
|
---|
2079 | st4.y = 1;
|
---|
2080 | printf("st4.y == %d\n", st4.y);
|
---|
2081 | struct sbf5 {
|
---|
2082 | int a;
|
---|
2083 | char b;
|
---|
2084 | int x : 12, y : 4, : 0, : 4, z : 3;
|
---|
2085 | char c;
|
---|
2086 | } st5 = { 1, 2, 3, 4, -3, 6 };
|
---|
2087 | printf("st5 = %d %d %d %d %d %d\n", st5.a, st5.b, st5.x, st5.y, st5.z, st5.c);
|
---|
2088 | struct sbf6 {
|
---|
2089 | short x : 12;
|
---|
2090 | unsigned char y : 2;
|
---|
2091 | } st6;
|
---|
2092 | st6.y = 1;
|
---|
2093 | printf("st6.y == %d\n", st6.y);
|
---|
2094 | }
|
---|
2095 |
|
---|
2096 | #ifdef __x86_64__
|
---|
2097 | #define FLOAT_FMT "%f\n"
|
---|
2098 | #else
|
---|
2099 | /* x86's float isn't compatible with GCC */
|
---|
2100 | #define FLOAT_FMT "%.5f\n"
|
---|
2101 | #endif
|
---|
2102 |
|
---|
2103 | /* declare strto* functions as they are C99 */
|
---|
2104 | double strtod(const char *nptr, char **endptr);
|
---|
2105 |
|
---|
2106 | #if defined(_WIN32)
|
---|
2107 | float strtof(const char *nptr, char **endptr) {return (float)strtod(nptr, endptr);}
|
---|
2108 | LONG_DOUBLE strtold(const char *nptr, char **endptr) {return (LONG_DOUBLE)strtod(nptr, endptr);}
|
---|
2109 | #else
|
---|
2110 | float strtof(const char *nptr, char **endptr);
|
---|
2111 | LONG_DOUBLE strtold(const char *nptr, char **endptr);
|
---|
2112 | #endif
|
---|
2113 |
|
---|
2114 | #define FTEST(prefix, typename, type, fmt)\
|
---|
2115 | void prefix ## cmp(type a, type b)\
|
---|
2116 | {\
|
---|
2117 | printf("%d %d %d %d %d %d\n",\
|
---|
2118 | a == b,\
|
---|
2119 | a != b,\
|
---|
2120 | a < b,\
|
---|
2121 | a > b,\
|
---|
2122 | a >= b,\
|
---|
2123 | a <= b);\
|
---|
2124 | printf(fmt " " fmt " " fmt " " fmt " " fmt " " fmt " " fmt "\n",\
|
---|
2125 | a,\
|
---|
2126 | b,\
|
---|
2127 | a + b,\
|
---|
2128 | a - b,\
|
---|
2129 | a * b,\
|
---|
2130 | a / b,\
|
---|
2131 | -a);\
|
---|
2132 | printf(fmt "\n", ++a);\
|
---|
2133 | printf(fmt "\n", a++);\
|
---|
2134 | printf(fmt "\n", a);\
|
---|
2135 | b = 0;\
|
---|
2136 | printf("%d %d\n", !a, !b);\
|
---|
2137 | }\
|
---|
2138 | void prefix ## fcast(type a)\
|
---|
2139 | {\
|
---|
2140 | float fa;\
|
---|
2141 | double da;\
|
---|
2142 | LONG_DOUBLE la;\
|
---|
2143 | int ia;\
|
---|
2144 | long long llia;\
|
---|
2145 | unsigned int ua;\
|
---|
2146 | unsigned long long llua;\
|
---|
2147 | type b;\
|
---|
2148 | fa = a;\
|
---|
2149 | da = a;\
|
---|
2150 | la = a;\
|
---|
2151 | printf("ftof: %f %f %Lf\n", fa, da, la);\
|
---|
2152 | ia = (int)a;\
|
---|
2153 | llia = (long long)a;\
|
---|
2154 | a = (a >= 0) ? a : -a;\
|
---|
2155 | ua = (unsigned int)a;\
|
---|
2156 | llua = (unsigned long long)a;\
|
---|
2157 | printf("ftoi: %d %u %lld %llu\n", ia, ua, llia, llua);\
|
---|
2158 | ia = -1234;\
|
---|
2159 | ua = 0x81234500;\
|
---|
2160 | llia = -0x123456789012345LL;\
|
---|
2161 | llua = 0xf123456789012345LLU;\
|
---|
2162 | b = ia;\
|
---|
2163 | printf("itof: " fmt "\n", b);\
|
---|
2164 | b = ua;\
|
---|
2165 | printf("utof: " fmt "\n", b);\
|
---|
2166 | b = llia;\
|
---|
2167 | printf("lltof: " fmt "\n", b);\
|
---|
2168 | b = llua;\
|
---|
2169 | printf("ulltof: " fmt "\n", b);\
|
---|
2170 | }\
|
---|
2171 | \
|
---|
2172 | float prefix ## retf(type a) { return a; }\
|
---|
2173 | double prefix ## retd(type a) { return a; }\
|
---|
2174 | LONG_DOUBLE prefix ## retld(type a) { return a; }\
|
---|
2175 | \
|
---|
2176 | void prefix ## call(void)\
|
---|
2177 | {\
|
---|
2178 | printf("float: " FLOAT_FMT, prefix ## retf(42.123456789));\
|
---|
2179 | printf("double: %f\n", prefix ## retd(42.123456789));\
|
---|
2180 | printf("long double: %Lf\n", prefix ## retld(42.123456789));\
|
---|
2181 | printf("strto%s: %f\n", #prefix, (double)strto ## prefix("1.2", NULL));\
|
---|
2182 | }\
|
---|
2183 | \
|
---|
2184 | void prefix ## signed_zeros(void) \
|
---|
2185 | {\
|
---|
2186 | type x = 0.0, y = -0.0, n, p;\
|
---|
2187 | if (x == y)\
|
---|
2188 | printf ("Test 1.0 / x != 1.0 / y returns %d (should be 1).\n",\
|
---|
2189 | 1.0 / x != 1.0 / y);\
|
---|
2190 | else\
|
---|
2191 | printf ("x != y; this is wrong!\n");\
|
---|
2192 | \
|
---|
2193 | n = -x;\
|
---|
2194 | if (x == n)\
|
---|
2195 | printf ("Test 1.0 / x != 1.0 / -x returns %d (should be 1).\n",\
|
---|
2196 | 1.0 / x != 1.0 / n);\
|
---|
2197 | else\
|
---|
2198 | printf ("x != -x; this is wrong!\n");\
|
---|
2199 | \
|
---|
2200 | p = +y;\
|
---|
2201 | if (x == p)\
|
---|
2202 | printf ("Test 1.0 / x != 1.0 / +y returns %d (should be 1).\n",\
|
---|
2203 | 1.0 / x != 1.0 / p);\
|
---|
2204 | else\
|
---|
2205 | printf ("x != +y; this is wrong!\n");\
|
---|
2206 | p = -y;\
|
---|
2207 | if (x == p)\
|
---|
2208 | printf ("Test 1.0 / x != 1.0 / -y returns %d (should be 0).\n",\
|
---|
2209 | 1.0 / x != 1.0 / p);\
|
---|
2210 | else\
|
---|
2211 | printf ("x != -y; this is wrong!\n");\
|
---|
2212 | }\
|
---|
2213 | void prefix ## test(void)\
|
---|
2214 | {\
|
---|
2215 | printf("testing '%s'\n", #typename);\
|
---|
2216 | prefix ## cmp(1, 2.5);\
|
---|
2217 | prefix ## cmp(2, 1.5);\
|
---|
2218 | prefix ## cmp(1, 1);\
|
---|
2219 | prefix ## fcast(234.6);\
|
---|
2220 | prefix ## fcast(-2334.6);\
|
---|
2221 | prefix ## call();\
|
---|
2222 | prefix ## signed_zeros();\
|
---|
2223 | }
|
---|
2224 |
|
---|
2225 | FTEST(f, float, float, "%f")
|
---|
2226 | FTEST(d, double, double, "%f")
|
---|
2227 | FTEST(ld, long double, LONG_DOUBLE, "%Lf")
|
---|
2228 |
|
---|
2229 | double ftab1[3] = { 1.2, 3.4, -5.6 };
|
---|
2230 |
|
---|
2231 |
|
---|
2232 | void float_test(void)
|
---|
2233 | {
|
---|
2234 | #if !defined(__arm__) || defined(__ARM_PCS_VFP)
|
---|
2235 | float fa, fb;
|
---|
2236 | double da, db;
|
---|
2237 | int a;
|
---|
2238 | unsigned int b;
|
---|
2239 |
|
---|
2240 | printf("float_test:\n");
|
---|
2241 | printf("sizeof(float) = %d\n", sizeof(float));
|
---|
2242 | printf("sizeof(double) = %d\n", sizeof(double));
|
---|
2243 | printf("sizeof(long double) = %d\n", sizeof(LONG_DOUBLE));
|
---|
2244 | ftest();
|
---|
2245 | dtest();
|
---|
2246 | ldtest();
|
---|
2247 | printf("%f %f %f\n", ftab1[0], ftab1[1], ftab1[2]);
|
---|
2248 | printf("%f %f %f\n", 2.12, .5, 2.3e10);
|
---|
2249 | // printf("%f %f %f\n", 0x1234p12, 0x1e23.23p10, 0x12dp-10);
|
---|
2250 | da = 123;
|
---|
2251 | printf("da=%f\n", da);
|
---|
2252 | fa = 123;
|
---|
2253 | printf("fa=%f\n", fa);
|
---|
2254 | a = 4000000000;
|
---|
2255 | da = a;
|
---|
2256 | printf("da = %f\n", da);
|
---|
2257 | b = 4000000000;
|
---|
2258 | db = b;
|
---|
2259 | printf("db = %f\n", db);
|
---|
2260 | #endif
|
---|
2261 | }
|
---|
2262 |
|
---|
2263 | int fib(int n)
|
---|
2264 | {
|
---|
2265 | if (n <= 2)
|
---|
2266 | return 1;
|
---|
2267 | else
|
---|
2268 | return fib(n-1) + fib(n-2);
|
---|
2269 | }
|
---|
2270 |
|
---|
2271 | void funcptr_test()
|
---|
2272 | {
|
---|
2273 | void (*func)(int);
|
---|
2274 | int a;
|
---|
2275 | struct {
|
---|
2276 | int dummy;
|
---|
2277 | void (*func)(int);
|
---|
2278 | } st1;
|
---|
2279 | long diff;
|
---|
2280 |
|
---|
2281 | printf("funcptr:\n");
|
---|
2282 | func = #
|
---|
2283 | (*func)(12345);
|
---|
2284 | func = num;
|
---|
2285 | a = 1;
|
---|
2286 | a = 1;
|
---|
2287 | func(12345);
|
---|
2288 | /* more complicated pointer computation */
|
---|
2289 | st1.func = num;
|
---|
2290 | st1.func(12346);
|
---|
2291 | printf("sizeof1 = %d\n", sizeof(funcptr_test));
|
---|
2292 | printf("sizeof2 = %d\n", sizeof funcptr_test);
|
---|
2293 | printf("sizeof3 = %d\n", sizeof(&funcptr_test));
|
---|
2294 | printf("sizeof4 = %d\n", sizeof &funcptr_test);
|
---|
2295 | a = 0;
|
---|
2296 | func = num + a;
|
---|
2297 | diff = func - num;
|
---|
2298 | func(42);
|
---|
2299 | (func + diff)(42);
|
---|
2300 | (num + a)(43);
|
---|
2301 | }
|
---|
2302 |
|
---|
2303 | void lloptest(long long a, long long b)
|
---|
2304 | {
|
---|
2305 | unsigned long long ua, ub;
|
---|
2306 |
|
---|
2307 | ua = a;
|
---|
2308 | ub = b;
|
---|
2309 | /* arith */
|
---|
2310 | printf("arith: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
|
---|
2311 | a + b,
|
---|
2312 | a - b,
|
---|
2313 | a * b);
|
---|
2314 |
|
---|
2315 | if (b != 0) {
|
---|
2316 | printf("arith1: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
|
---|
2317 | a / b,
|
---|
2318 | a % b);
|
---|
2319 | }
|
---|
2320 |
|
---|
2321 | /* binary */
|
---|
2322 | printf("bin: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
|
---|
2323 | a & b,
|
---|
2324 | a | b,
|
---|
2325 | a ^ b);
|
---|
2326 |
|
---|
2327 | /* tests */
|
---|
2328 | printf("test: %d %d %d %d %d %d\n",
|
---|
2329 | a == b,
|
---|
2330 | a != b,
|
---|
2331 | a < b,
|
---|
2332 | a > b,
|
---|
2333 | a >= b,
|
---|
2334 | a <= b);
|
---|
2335 |
|
---|
2336 | printf("utest: %d %d %d %d %d %d\n",
|
---|
2337 | ua == ub,
|
---|
2338 | ua != ub,
|
---|
2339 | ua < ub,
|
---|
2340 | ua > ub,
|
---|
2341 | ua >= ub,
|
---|
2342 | ua <= ub);
|
---|
2343 |
|
---|
2344 | /* arith2 */
|
---|
2345 | a++;
|
---|
2346 | b++;
|
---|
2347 | printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a, b);
|
---|
2348 | printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a++, b++);
|
---|
2349 | printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", --a, --b);
|
---|
2350 | printf("arith2: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a, b);
|
---|
2351 | b = ub = 0;
|
---|
2352 | printf("not: %d %d %d %d\n", !a, !ua, !b, !ub);
|
---|
2353 | }
|
---|
2354 |
|
---|
2355 | void llshift(long long a, int b)
|
---|
2356 | {
|
---|
2357 | printf("shift: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
|
---|
2358 | (unsigned long long)a >> b,
|
---|
2359 | a >> b,
|
---|
2360 | a << b);
|
---|
2361 | printf("shiftc: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
|
---|
2362 | (unsigned long long)a >> 3,
|
---|
2363 | a >> 3,
|
---|
2364 | a << 3);
|
---|
2365 | printf("shiftc: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n",
|
---|
2366 | (unsigned long long)a >> 35,
|
---|
2367 | a >> 35,
|
---|
2368 | a << 35);
|
---|
2369 | }
|
---|
2370 |
|
---|
2371 | void llfloat(void)
|
---|
2372 | {
|
---|
2373 | float fa;
|
---|
2374 | double da;
|
---|
2375 | LONG_DOUBLE lda;
|
---|
2376 | long long la, lb, lc;
|
---|
2377 | unsigned long long ula, ulb, ulc;
|
---|
2378 | la = 0x12345678;
|
---|
2379 | ula = 0x72345678;
|
---|
2380 | la = (la << 20) | 0x12345;
|
---|
2381 | ula = ula << 33;
|
---|
2382 | printf("la=" LONG_LONG_FORMAT " ula=" ULONG_LONG_FORMAT "\n", la, ula);
|
---|
2383 |
|
---|
2384 | fa = la;
|
---|
2385 | da = la;
|
---|
2386 | lda = la;
|
---|
2387 | printf("lltof: %f %f %Lf\n", fa, da, lda);
|
---|
2388 |
|
---|
2389 | la = fa;
|
---|
2390 | lb = da;
|
---|
2391 | lc = lda;
|
---|
2392 | printf("ftoll: " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", la, lb, lc);
|
---|
2393 |
|
---|
2394 | fa = ula;
|
---|
2395 | da = ula;
|
---|
2396 | lda = ula;
|
---|
2397 | printf("ulltof: %f %f %Lf\n", fa, da, lda);
|
---|
2398 |
|
---|
2399 | ula = fa;
|
---|
2400 | ulb = da;
|
---|
2401 | ulc = lda;
|
---|
2402 | printf("ftoull: " ULONG_LONG_FORMAT " " ULONG_LONG_FORMAT " " ULONG_LONG_FORMAT "\n", ula, ulb, ulc);
|
---|
2403 | }
|
---|
2404 |
|
---|
2405 | long long llfunc1(int a)
|
---|
2406 | {
|
---|
2407 | return a * 2;
|
---|
2408 | }
|
---|
2409 |
|
---|
2410 | struct S {
|
---|
2411 | int id;
|
---|
2412 | char item;
|
---|
2413 | };
|
---|
2414 |
|
---|
2415 | long long int value(struct S *v)
|
---|
2416 | {
|
---|
2417 | return ((long long int)v->item);
|
---|
2418 | }
|
---|
2419 |
|
---|
2420 | long long llfunc2(long long x, long long y, int z)
|
---|
2421 | {
|
---|
2422 | return x * y * z;
|
---|
2423 | }
|
---|
2424 |
|
---|
2425 | void longlong_test(void)
|
---|
2426 | {
|
---|
2427 | long long a, b, c;
|
---|
2428 | int ia;
|
---|
2429 | unsigned int ua;
|
---|
2430 | printf("longlong_test:\n");
|
---|
2431 | printf("sizeof(long long) = %d\n", sizeof(long long));
|
---|
2432 | ia = -1;
|
---|
2433 | ua = -2;
|
---|
2434 | a = ia;
|
---|
2435 | b = ua;
|
---|
2436 | printf(LONG_LONG_FORMAT " " LONG_LONG_FORMAT "\n", a, b);
|
---|
2437 | printf(LONG_LONG_FORMAT " " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %Lx\n",
|
---|
2438 | (long long)1,
|
---|
2439 | (long long)-2,
|
---|
2440 | 1LL,
|
---|
2441 | 0x1234567812345679);
|
---|
2442 | a = llfunc1(-3);
|
---|
2443 | printf(LONG_LONG_FORMAT "\n", a);
|
---|
2444 |
|
---|
2445 | lloptest(1000, 23);
|
---|
2446 | lloptest(0xff, 0x1234);
|
---|
2447 | b = 0x72345678 << 10;
|
---|
2448 | lloptest(-3, b);
|
---|
2449 | llshift(0x123, 5);
|
---|
2450 | llshift(-23, 5);
|
---|
2451 | b = 0x72345678LL << 10;
|
---|
2452 | llshift(b, 47);
|
---|
2453 |
|
---|
2454 | llfloat();
|
---|
2455 | #if 1
|
---|
2456 | b = 0x12345678;
|
---|
2457 | a = -1;
|
---|
2458 | c = a + b;
|
---|
2459 | printf("%Lx\n", c);
|
---|
2460 | #endif
|
---|
2461 |
|
---|
2462 | /* long long reg spill test */
|
---|
2463 | {
|
---|
2464 | struct S a;
|
---|
2465 |
|
---|
2466 | a.item = 3;
|
---|
2467 | printf("%lld\n", value(&a));
|
---|
2468 | }
|
---|
2469 | lloptest(0x80000000, 0);
|
---|
2470 |
|
---|
2471 | {
|
---|
2472 | long long *p, v, **pp;
|
---|
2473 | v = 1;
|
---|
2474 | p = &v;
|
---|
2475 | p[0]++;
|
---|
2476 | printf("another long long spill test : %lld\n", *p);
|
---|
2477 | pp = &p;
|
---|
2478 |
|
---|
2479 | v = llfunc2(**pp, **pp, ia);
|
---|
2480 | printf("a long long function (arm-)reg-args test : %lld\n", v);
|
---|
2481 | }
|
---|
2482 | a = 68719476720LL;
|
---|
2483 | b = 4294967295LL;
|
---|
2484 | printf("%d %d %d %d\n", a > b, a < b, a >= b, a <= b);
|
---|
2485 |
|
---|
2486 | printf(LONG_LONG_FORMAT "\n", 0x123456789LLU);
|
---|
2487 |
|
---|
2488 | /* long long pointer deref in argument passing test */
|
---|
2489 | a = 0x123;
|
---|
2490 | long long *p = &a;
|
---|
2491 | llshift(*p, 5);
|
---|
2492 | }
|
---|
2493 |
|
---|
2494 | void manyarg_test(void)
|
---|
2495 | {
|
---|
2496 | LONG_DOUBLE ld = 1234567891234LL;
|
---|
2497 | printf("manyarg_test:\n");
|
---|
2498 | printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
|
---|
2499 | 1, 2, 3, 4, 5, 6, 7, 8,
|
---|
2500 | 0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
|
---|
2501 | printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
|
---|
2502 | LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %f %f\n",
|
---|
2503 | 1, 2, 3, 4, 5, 6, 7, 8,
|
---|
2504 | 0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
|
---|
2505 | 1234567891234LL, 987654321986LL,
|
---|
2506 | 42.0, 43.0);
|
---|
2507 | printf("%Lf %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
|
---|
2508 | LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %f %f\n",
|
---|
2509 | ld, 1, 2, 3, 4, 5, 6, 7, 8,
|
---|
2510 | 0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
|
---|
2511 | 1234567891234LL, 987654321986LL,
|
---|
2512 | 42.0, 43.0);
|
---|
2513 | printf("%d %d %d %d %d %d %d %d %Lf\n",
|
---|
2514 | 1, 2, 3, 4, 5, 6, 7, 8, ld);
|
---|
2515 | printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
|
---|
2516 | LONG_LONG_FORMAT " " LONG_LONG_FORMAT "%f %f %Lf\n",
|
---|
2517 | 1, 2, 3, 4, 5, 6, 7, 8,
|
---|
2518 | 0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
|
---|
2519 | 1234567891234LL, 987654321986LL,
|
---|
2520 | 42.0, 43.0, ld);
|
---|
2521 | printf("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
|
---|
2522 | "%Lf " LONG_LONG_FORMAT " " LONG_LONG_FORMAT " %f %f %Lf\n",
|
---|
2523 | 1, 2, 3, 4, 5, 6, 7, 8,
|
---|
2524 | 0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
|
---|
2525 | ld, 1234567891234LL, 987654321986LL,
|
---|
2526 | 42.0, 43.0, ld);
|
---|
2527 | }
|
---|
2528 |
|
---|
2529 | void vprintf1(const char *fmt, ...)
|
---|
2530 | {
|
---|
2531 | va_list ap, aq;
|
---|
2532 | const char *p;
|
---|
2533 | int c, i;
|
---|
2534 | double d;
|
---|
2535 | long long ll;
|
---|
2536 | LONG_DOUBLE ld;
|
---|
2537 |
|
---|
2538 | va_start(aq, fmt);
|
---|
2539 | va_copy(ap, aq);
|
---|
2540 |
|
---|
2541 | p = fmt;
|
---|
2542 | for(;;) {
|
---|
2543 | c = *p;
|
---|
2544 | if (c == '\0')
|
---|
2545 | break;
|
---|
2546 | p++;
|
---|
2547 | if (c == '%') {
|
---|
2548 | c = *p;
|
---|
2549 | switch(c) {
|
---|
2550 | case '\0':
|
---|
2551 | goto the_end;
|
---|
2552 | case 'd':
|
---|
2553 | i = va_arg(ap, int);
|
---|
2554 | printf("%d", i);
|
---|
2555 | break;
|
---|
2556 | case 'f':
|
---|
2557 | d = va_arg(ap, double);
|
---|
2558 | printf("%f", d);
|
---|
2559 | break;
|
---|
2560 | case 'l':
|
---|
2561 | ll = va_arg(ap, long long);
|
---|
2562 | printf(LONG_LONG_FORMAT, ll);
|
---|
2563 | break;
|
---|
2564 | case 'F':
|
---|
2565 | ld = va_arg(ap, LONG_DOUBLE);
|
---|
2566 | printf("%Lf", ld);
|
---|
2567 | break;
|
---|
2568 | }
|
---|
2569 | p++;
|
---|
2570 | } else {
|
---|
2571 | putchar(c);
|
---|
2572 | }
|
---|
2573 | }
|
---|
2574 | the_end:
|
---|
2575 | va_end(aq);
|
---|
2576 | va_end(ap);
|
---|
2577 | }
|
---|
2578 |
|
---|
2579 | struct myspace {
|
---|
2580 | short int profile;
|
---|
2581 | };
|
---|
2582 |
|
---|
2583 | void stdarg_for_struct(struct myspace bob, ...)
|
---|
2584 | {
|
---|
2585 | struct myspace george, bill;
|
---|
2586 | va_list ap;
|
---|
2587 | short int validate;
|
---|
2588 |
|
---|
2589 | va_start(ap, bob);
|
---|
2590 | bill = va_arg(ap, struct myspace);
|
---|
2591 | george = va_arg(ap, struct myspace);
|
---|
2592 | validate = va_arg(ap, int);
|
---|
2593 | printf("stdarg_for_struct: %d %d %d %d\n",
|
---|
2594 | bob.profile, bill.profile, george.profile, validate);
|
---|
2595 | va_end(ap);
|
---|
2596 | }
|
---|
2597 |
|
---|
2598 | void stdarg_for_libc(const char *fmt, ...)
|
---|
2599 | {
|
---|
2600 | va_list args;
|
---|
2601 | va_start(args, fmt);
|
---|
2602 | vprintf(fmt, args);
|
---|
2603 | va_end(args);
|
---|
2604 | }
|
---|
2605 |
|
---|
2606 | void stdarg_test(void)
|
---|
2607 | {
|
---|
2608 | LONG_DOUBLE ld = 1234567891234LL;
|
---|
2609 | struct myspace bob;
|
---|
2610 |
|
---|
2611 | vprintf1("%d %d %d\n", 1, 2, 3);
|
---|
2612 | vprintf1("%f %d %f\n", 1.0, 2, 3.0);
|
---|
2613 | vprintf1("%l %l %d %f\n", 1234567891234LL, 987654321986LL, 3, 1234.0);
|
---|
2614 | vprintf1("%F %F %F\n", LONG_DOUBLE_LITERAL(1.2), LONG_DOUBLE_LITERAL(2.3), LONG_DOUBLE_LITERAL(3.4));
|
---|
2615 | vprintf1("%d %f %l %F %d %f %l %F\n",
|
---|
2616 | 1, 1.2, 3LL, LONG_DOUBLE_LITERAL(4.5), 6, 7.8, 9LL, LONG_DOUBLE_LITERAL(0.1));
|
---|
2617 | vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f\n",
|
---|
2618 | 1, 2, 3, 4, 5, 6, 7, 8,
|
---|
2619 | 0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8);
|
---|
2620 | vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f\n",
|
---|
2621 | 1, 2, 3, 4, 5, 6, 7, 8,
|
---|
2622 | 0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0);
|
---|
2623 | vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
|
---|
2624 | "%l %l %f %f\n",
|
---|
2625 | 1, 2, 3, 4, 5, 6, 7, 8,
|
---|
2626 | 0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
|
---|
2627 | 1234567891234LL, 987654321986LL,
|
---|
2628 | 42.0, 43.0);
|
---|
2629 | vprintf1("%F %d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
|
---|
2630 | "%l %l %f %f\n",
|
---|
2631 | ld, 1, 2, 3, 4, 5, 6, 7, 8,
|
---|
2632 | 0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
|
---|
2633 | 1234567891234LL, 987654321986LL,
|
---|
2634 | 42.0, 43.0);
|
---|
2635 | vprintf1("%d %d %d %d %d %d %d %d %F\n",
|
---|
2636 | 1, 2, 3, 4, 5, 6, 7, 8, ld);
|
---|
2637 | vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
|
---|
2638 | "%l %l %f %f %F\n",
|
---|
2639 | 1, 2, 3, 4, 5, 6, 7, 8,
|
---|
2640 | 0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
|
---|
2641 | 1234567891234LL, 987654321986LL,
|
---|
2642 | 42.0, 43.0, ld);
|
---|
2643 | vprintf1("%d %d %d %d %d %d %d %d %f %f %f %f %f %f %f %f %f %f "
|
---|
2644 | "%F %l %l %f %f %F\n",
|
---|
2645 | 1, 2, 3, 4, 5, 6, 7, 8,
|
---|
2646 | 0.1, 1.2, 2.3, 3.4, 4.5, 5.6, 6.7, 7.8, 8.9, 9.0,
|
---|
2647 | ld, 1234567891234LL, 987654321986LL,
|
---|
2648 | 42.0, 43.0, ld);
|
---|
2649 |
|
---|
2650 | bob.profile = 42;
|
---|
2651 | stdarg_for_struct(bob, bob, bob, bob.profile);
|
---|
2652 | stdarg_for_libc("stdarg_for_libc: %s %.2f %d\n", "string", 1.23, 456);
|
---|
2653 | }
|
---|
2654 |
|
---|
2655 | void whitespace_test(void)
|
---|
2656 | {
|
---|
2657 | char *str;
|
---|
2658 |
|
---|
2659 | |
---|
2660 | |
---|
2661 |
|
---|
2662 | #if 1
|
---|
2663 | pri\
|
---|
2664 | ntf("whitspace:\n"); |
---|
2665 | |
---|
2666 |
|
---|
2667 | #endif
|
---|
2668 | pf("N=%d\n", 2);
|
---|
2669 |
|
---|
2670 | #ifdef CORRECT_CR_HANDLING
|
---|
2671 | pri\
|
---|
2672 | ntf("aaa=%d\n", 3);
|
---|
2673 | #endif
|
---|
2674 |
|
---|
2675 | pri\
|
---|
2676 | \
|
---|
2677 | ntf("min=%d\n", 4);
|
---|
2678 |
|
---|
2679 | #ifdef ACCEPT_CR_IN_STRINGS
|
---|
2680 | printf("len1=%d\n", strlen("
|
---|
2681 | "));
|
---|
2682 | #ifdef CORRECT_CR_HANDLING
|
---|
2683 | str = "
|
---|
2684 | ";
|
---|
2685 | printf("len1=%d str[0]=%d\n", strlen(str), str[0]);
|
---|
2686 | #endif
|
---|
2687 | printf("len1=%d\n", strlen("
|
---|
2688 | a
|
---|
2689 | "));
|
---|
2690 | #endif /* ACCEPT_CR_IN_STRINGS */
|
---|
2691 | }
|
---|
2692 |
|
---|
2693 | int reltab[3] = { 1, 2, 3 };
|
---|
2694 |
|
---|
2695 | int *rel1 = &reltab[1];
|
---|
2696 | int *rel2 = &reltab[2];
|
---|
2697 |
|
---|
2698 | #ifdef _WIN64
|
---|
2699 | void relocation_test(void) {}
|
---|
2700 | #else
|
---|
2701 | void getmyaddress(void)
|
---|
2702 | {
|
---|
2703 | printf("in getmyaddress\n");
|
---|
2704 | }
|
---|
2705 |
|
---|
2706 | #ifdef __LP64__
|
---|
2707 | long __pa_symbol(void)
|
---|
2708 | {
|
---|
2709 | /* This 64bit constant was handled incorrectly, it was used as addend
|
---|
2710 | (which can hold 64bit just fine) in connection with a symbol,
|
---|
2711 | and TCC generates wrong code for that (displacements are 32bit only).
|
---|
2712 | This effectively is "+ 0x80000000", and if addresses of globals
|
---|
2713 | are below 2GB the result should be a number without high 32 bits set. */
|
---|
2714 | return ((long)(((unsigned long)(&rel1))) - (0xffffffff80000000UL));
|
---|
2715 | }
|
---|
2716 | #endif
|
---|
2717 |
|
---|
2718 | unsigned long theaddress = (unsigned long)getmyaddress;
|
---|
2719 | void relocation_test(void)
|
---|
2720 | {
|
---|
2721 | void (*fptr)(void) = (void (*)(void))theaddress;
|
---|
2722 | printf("*rel1=%d\n", *rel1);
|
---|
2723 | printf("*rel2=%d\n", *rel2);
|
---|
2724 | fptr();
|
---|
2725 | #ifdef __LP64__
|
---|
2726 | printf("pa_symbol=0x%lx\n", __pa_symbol() >> 63);
|
---|
2727 | #endif
|
---|
2728 | }
|
---|
2729 | #endif
|
---|
2730 |
|
---|
2731 | void old_style_f(a,b,c)
|
---|
2732 | int a, b;
|
---|
2733 | double c;
|
---|
2734 | {
|
---|
2735 | printf("a=%d b=%d b=%f\n", a, b, c);
|
---|
2736 | }
|
---|
2737 |
|
---|
2738 | void decl_func1(int cmpfn())
|
---|
2739 | {
|
---|
2740 | printf("cmpfn=%lx\n", (long)cmpfn);
|
---|
2741 | }
|
---|
2742 |
|
---|
2743 | void decl_func2(cmpfn)
|
---|
2744 | int cmpfn();
|
---|
2745 | {
|
---|
2746 | printf("cmpfn=%lx\n", (long)cmpfn);
|
---|
2747 | }
|
---|
2748 |
|
---|
2749 | void old_style_function(void)
|
---|
2750 | {
|
---|
2751 | old_style_f((void *)1, 2, 3.0);
|
---|
2752 | decl_func1(NULL);
|
---|
2753 | decl_func2(NULL);
|
---|
2754 | }
|
---|
2755 |
|
---|
2756 | void alloca_test()
|
---|
2757 | {
|
---|
2758 | #if defined __i386__ || defined __x86_64__ || defined __arm__
|
---|
2759 | char *p = alloca(16);
|
---|
2760 | strcpy(p,"123456789012345");
|
---|
2761 | printf("alloca: p is %s\n", p);
|
---|
2762 | char *demo = "This is only a test.\n";
|
---|
2763 | /* Test alloca embedded in a larger expression */
|
---|
2764 | printf("alloca: %s\n", strcpy(alloca(strlen(demo)+1),demo) );
|
---|
2765 | #endif
|
---|
2766 | }
|
---|
2767 |
|
---|
2768 | void *bounds_checking_is_enabled()
|
---|
2769 | {
|
---|
2770 | char ca[10], *cp = ca-1;
|
---|
2771 | return (ca != cp + 1) ? cp : NULL;
|
---|
2772 | }
|
---|
2773 |
|
---|
2774 | typedef int constant_negative_array_size_as_compile_time_assertion_idiom[(1 ? 2 : 0) - 1];
|
---|
2775 |
|
---|
2776 | void c99_vla_test(int size1, int size2)
|
---|
2777 | {
|
---|
2778 | #if defined __i386__ || defined __x86_64__
|
---|
2779 | int size = size1 * size2;
|
---|
2780 | int tab1[size][2], tab2[10][2];
|
---|
2781 | void *tab1_ptr, *tab2_ptr, *bad_ptr;
|
---|
2782 |
|
---|
2783 | /* "size" should have been 'captured' at tab1 declaration,
|
---|
2784 | so modifying it should have no effect on VLA behaviour. */
|
---|
2785 | size = size-1;
|
---|
2786 |
|
---|
2787 | printf("Test C99 VLA 1 (sizeof): ");
|
---|
2788 | printf("%s\n", (sizeof tab1 == size1 * size2 * 2 * sizeof(int)) ? "PASSED" : "FAILED");
|
---|
2789 | tab1_ptr = tab1;
|
---|
2790 | tab2_ptr = tab2;
|
---|
2791 | printf("Test C99 VLA 2 (ptrs subtract): ");
|
---|
2792 | printf("%s\n", (tab2 - tab1 == (tab2_ptr - tab1_ptr) / (sizeof(int) * 2)) ? "PASSED" : "FAILED");
|
---|
2793 | printf("Test C99 VLA 3 (ptr add): ");
|
---|
2794 | printf("%s\n", &tab1[5][1] == (tab1_ptr + (5 * 2 + 1) * sizeof(int)) ? "PASSED" : "FAILED");
|
---|
2795 | printf("Test C99 VLA 4 (ptr access): ");
|
---|
2796 | tab1[size1][1] = 42;
|
---|
2797 | printf("%s\n", (*((int *) (tab1_ptr + (size1 * 2 + 1) * sizeof(int))) == 42) ? "PASSED" : "FAILED");
|
---|
2798 |
|
---|
2799 | printf("Test C99 VLA 5 (bounds checking (might be disabled)): ");
|
---|
2800 | if (bad_ptr = bounds_checking_is_enabled()) {
|
---|
2801 | int *t1 = &tab1[size1 * size2 - 1][3];
|
---|
2802 | int *t2 = &tab2[9][3];
|
---|
2803 | printf("%s ", bad_ptr == t1 ? "PASSED" : "FAILED");
|
---|
2804 | printf("%s ", bad_ptr == t2 ? "PASSED" : "FAILED");
|
---|
2805 |
|
---|
2806 | char*c1 = 1 + sizeof(tab1) + (char*)tab1;
|
---|
2807 | char*c2 = 1 + sizeof(tab2) + (char*)tab2;
|
---|
2808 | printf("%s ", bad_ptr == c1 ? "PASSED" : "FAILED");
|
---|
2809 | printf("%s ", bad_ptr == c2 ? "PASSED" : "FAILED");
|
---|
2810 |
|
---|
2811 | int *i1 = tab1[-1];
|
---|
2812 | int *i2 = tab2[-1];
|
---|
2813 | printf("%s ", bad_ptr == i1 ? "PASSED" : "FAILED");
|
---|
2814 | printf("%s ", bad_ptr == i2 ? "PASSED" : "FAILED");
|
---|
2815 |
|
---|
2816 | int *x1 = tab1[size1 * size2 + 1];
|
---|
2817 | int *x2 = tab2[10 + 1];
|
---|
2818 | printf("%s ", bad_ptr == x1 ? "PASSED" : "FAILED");
|
---|
2819 | printf("%s ", bad_ptr == x2 ? "PASSED" : "FAILED");
|
---|
2820 | } else {
|
---|
2821 | printf("PASSED PASSED PASSED PASSED PASSED PASSED PASSED PASSED ");
|
---|
2822 | }
|
---|
2823 | printf("\n");
|
---|
2824 | #endif
|
---|
2825 | }
|
---|
2826 |
|
---|
2827 | #ifndef __TINYC__
|
---|
2828 | typedef __SIZE_TYPE__ uintptr_t;
|
---|
2829 | #endif
|
---|
2830 |
|
---|
2831 | void sizeof_test(void)
|
---|
2832 | {
|
---|
2833 | int a;
|
---|
2834 | int **ptr;
|
---|
2835 |
|
---|
2836 | printf("sizeof(int) = %d\n", sizeof(int));
|
---|
2837 | printf("sizeof(unsigned int) = %d\n", sizeof(unsigned int));
|
---|
2838 | printf("sizeof(long) = %d\n", sizeof(long));
|
---|
2839 | printf("sizeof(unsigned long) = %d\n", sizeof(unsigned long));
|
---|
2840 | printf("sizeof(short) = %d\n", sizeof(short));
|
---|
2841 | printf("sizeof(unsigned short) = %d\n", sizeof(unsigned short));
|
---|
2842 | printf("sizeof(char) = %d\n", sizeof(char));
|
---|
2843 | printf("sizeof(unsigned char) = %d\n", sizeof(unsigned char));
|
---|
2844 | printf("sizeof(func) = %d\n", sizeof sizeof_test());
|
---|
2845 | a = 1;
|
---|
2846 | printf("sizeof(a++) = %d\n", sizeof a++);
|
---|
2847 | printf("a=%d\n", a);
|
---|
2848 | ptr = NULL;
|
---|
2849 | printf("sizeof(**ptr) = %d\n", sizeof (**ptr));
|
---|
2850 |
|
---|
2851 | /* The type of sizeof should be as large as a pointer, actually
|
---|
2852 | it should be size_t. */
|
---|
2853 | printf("sizeof(sizeof(int) = %d\n", sizeof(sizeof(int)));
|
---|
2854 | uintptr_t t = 1;
|
---|
2855 | uintptr_t t2;
|
---|
2856 | /* Effectively <<32, but defined also on 32bit machines. */
|
---|
2857 | t <<= 16;
|
---|
2858 | t <<= 16;
|
---|
2859 | t++;
|
---|
2860 | /* This checks that sizeof really can be used to manipulate
|
---|
2861 | uintptr_t objects, without truncation. */
|
---|
2862 | t2 = t & -sizeof(uintptr_t);
|
---|
2863 | printf ("%lu %lu\n", t, t2);
|
---|
2864 |
|
---|
2865 | /* some alignof tests */
|
---|
2866 | printf("__alignof__(int) = %d\n", __alignof__(int));
|
---|
2867 | printf("__alignof__(unsigned int) = %d\n", __alignof__(unsigned int));
|
---|
2868 | printf("__alignof__(short) = %d\n", __alignof__(short));
|
---|
2869 | printf("__alignof__(unsigned short) = %d\n", __alignof__(unsigned short));
|
---|
2870 | printf("__alignof__(char) = %d\n", __alignof__(char));
|
---|
2871 | printf("__alignof__(unsigned char) = %d\n", __alignof__(unsigned char));
|
---|
2872 | printf("__alignof__(func) = %d\n", __alignof__ sizeof_test());
|
---|
2873 |
|
---|
2874 | /* sizes of VLAs need to be evaluated even inside sizeof: */
|
---|
2875 | a = 2;
|
---|
2876 | printf("sizeof(char[1+2*a]) = %d\n", sizeof(char[1+2*a]));
|
---|
2877 | /* And checking if sizeof compound literal works. Parenthesized: */
|
---|
2878 | printf("sizeof( (struct {int i; int j;}){4,5} ) = %d\n",
|
---|
2879 | sizeof( (struct {int i; int j;}){4,5} ));
|
---|
2880 | /* And as direct sizeof argument (as unary expression): */
|
---|
2881 | printf("sizeof (struct {short i; short j;}){4,5} = %d\n",
|
---|
2882 | sizeof (struct {short i; short j;}){4,5} );
|
---|
2883 |
|
---|
2884 | /* sizeof(x && y) should be sizeof(int), even if constant
|
---|
2885 | evaluating is possible. */
|
---|
2886 | printf("sizeof(t && 0) = %d\n", sizeof(t && 0));
|
---|
2887 | printf("sizeof(1 && 1) = %d\n", sizeof(1 && 1));
|
---|
2888 | printf("sizeof(t || 1) = %d\n", sizeof(t || 1));
|
---|
2889 | printf("sizeof(0 || 0) = %d\n", sizeof(0 || 0));
|
---|
2890 | }
|
---|
2891 |
|
---|
2892 | void typeof_test(void)
|
---|
2893 | {
|
---|
2894 | double a;
|
---|
2895 | typeof(a) b;
|
---|
2896 | typeof(float) c;
|
---|
2897 |
|
---|
2898 | a = 1.5;
|
---|
2899 | b = 2.5;
|
---|
2900 | c = 3.5;
|
---|
2901 | printf("a=%f b=%f c=%f\n", a, b, c);
|
---|
2902 | }
|
---|
2903 |
|
---|
2904 |
|
---|
2905 | struct hlist_node;
|
---|
2906 | struct hlist_head {
|
---|
2907 | struct hlist_node *first, *last;
|
---|
2908 | };
|
---|
2909 |
|
---|
2910 | void consume_ulong (unsigned long i)
|
---|
2911 | {
|
---|
2912 | i = 0;
|
---|
2913 | }
|
---|
2914 |
|
---|
2915 | void statement_expr_test(void)
|
---|
2916 | {
|
---|
2917 | int a, i;
|
---|
2918 |
|
---|
2919 | /* Basic stmt expr test */
|
---|
2920 | a = 0;
|
---|
2921 | for(i=0;i<10;i++) {
|
---|
2922 | a += 1 +
|
---|
2923 | ( { int b, j;
|
---|
2924 | b = 0;
|
---|
2925 | for(j=0;j<5;j++)
|
---|
2926 | b += j; b;
|
---|
2927 | } );
|
---|
2928 | }
|
---|
2929 | printf("a=%d\n", a);
|
---|
2930 |
|
---|
2931 | /* Test that symbols aren't freed prematurely.
|
---|
2932 | With SYM_DEBUG valgrind will show a read from a freed
|
---|
2933 | symbol, and tcc will show an (invalid) warning on the initialization
|
---|
2934 | of 'ptr' below, if symbols are popped after the stmt expr. */
|
---|
2935 | void *v = (void*)39;
|
---|
2936 | typeof(({
|
---|
2937 | (struct hlist_node *)v;
|
---|
2938 | })) x;
|
---|
2939 | typeof (x)
|
---|
2940 | ptr = (struct hlist_node *)v;
|
---|
2941 |
|
---|
2942 | /* This part used to segfault when symbols were popped prematurely.
|
---|
2943 | The symbols for the static local would be overwritten with
|
---|
2944 | helper symbols from the pre-processor expansions in between. */
|
---|
2945 | #define some_attr __attribute__((aligned(1)))
|
---|
2946 | #define tps(str) ({ \
|
---|
2947 | static const char *t some_attr = str; \
|
---|
2948 | t; \
|
---|
2949 | })
|
---|
2950 | printf ("stmtexpr: %s %s\n",
|
---|
2951 | tps("somerandomlongstring"),
|
---|
2952 | tps("anotherlongstring"));
|
---|
2953 |
|
---|
2954 | /* Test that the three decls of 't' don't interact. */
|
---|
2955 | int t = 40;
|
---|
2956 | int b = ({ int t = 41; t; });
|
---|
2957 | int c = ({ int t = 42; t; });
|
---|
2958 |
|
---|
2959 | /* Test that aggregate return values work. */
|
---|
2960 | struct hlist_head h
|
---|
2961 | = ({
|
---|
2962 | typedef struct hlist_head T;
|
---|
2963 | long pre = 48;
|
---|
2964 | T t = { (void*)43, (void*)44 };
|
---|
2965 | long post = 49;
|
---|
2966 | t;
|
---|
2967 | });
|
---|
2968 | printf ("stmtexpr: %d %d %d\n", t, b, c);
|
---|
2969 | printf ("stmtexpr: %ld %ld\n", (long)h.first, (long)h.last);
|
---|
2970 |
|
---|
2971 | /* Test that we can give out addresses of local labels. */
|
---|
2972 | consume_ulong(({ __label__ __here; __here: (unsigned long)&&__here; }));
|
---|
2973 | }
|
---|
2974 |
|
---|
2975 | void local_label_test(void)
|
---|
2976 | {
|
---|
2977 | int a;
|
---|
2978 | goto l1;
|
---|
2979 | l2:
|
---|
2980 | a = 1 + ({
|
---|
2981 | __label__ l1, l2, l3, l4;
|
---|
2982 | goto l1;
|
---|
2983 | l4:
|
---|
2984 | printf("aa1\n");
|
---|
2985 | goto l3;
|
---|
2986 | l2:
|
---|
2987 | printf("aa3\n");
|
---|
2988 | goto l4;
|
---|
2989 | l1:
|
---|
2990 | printf("aa2\n");
|
---|
2991 | goto l2;
|
---|
2992 | l3:;
|
---|
2993 | 1;
|
---|
2994 | });
|
---|
2995 | printf("a=%d\n", a);
|
---|
2996 | return;
|
---|
2997 | l4:
|
---|
2998 | printf("bb1\n");
|
---|
2999 | goto l2;
|
---|
3000 | l1:
|
---|
3001 | printf("bb2\n");
|
---|
3002 | goto l4;
|
---|
3003 | }
|
---|
3004 |
|
---|
3005 | /* inline assembler test */
|
---|
3006 | #if defined(__i386__) || defined(__x86_64__)
|
---|
3007 |
|
---|
3008 | /* from linux kernel */
|
---|
3009 | static char * strncat1(char * dest,const char * src,size_t count)
|
---|
3010 | {
|
---|
3011 | long d0, d1, d2, d3;
|
---|
3012 | __asm__ __volatile__(
|
---|
3013 | "repne\n\t"
|
---|
3014 | "scasb\n\t"
|
---|
3015 | "dec %1\n\t"
|
---|
3016 | "mov %8,%3\n"
|
---|
3017 | "1:\tdec %3\n\t"
|
---|
3018 | "js 2f\n\t"
|
---|
3019 | "lodsb\n\t"
|
---|
3020 | "stosb\n\t"
|
---|
3021 | "testb %%al,%%al\n\t"
|
---|
3022 | "jne 1b\n"
|
---|
3023 | "2:\txor %2,%2\n\t"
|
---|
3024 | "stosb"
|
---|
3025 | : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
|
---|
3026 | : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
|
---|
3027 | : "memory");
|
---|
3028 | return dest;
|
---|
3029 | }
|
---|
3030 |
|
---|
3031 | static char * strncat2(char * dest,const char * src,size_t count)
|
---|
3032 | {
|
---|
3033 | long d0, d1, d2, d3;
|
---|
3034 | __asm__ __volatile__(
|
---|
3035 | "repne scasb\n\t" /* one-line repne prefix + string op */
|
---|
3036 | "dec %1\n\t"
|
---|
3037 | "mov %8,%3\n"
|
---|
3038 | "1:\tdec %3\n\t"
|
---|
3039 | "js 2f\n\t"
|
---|
3040 | "lodsb\n\t"
|
---|
3041 | "stosb\n\t"
|
---|
3042 | "testb %%al,%%al\n\t"
|
---|
3043 | "jne 1b\n"
|
---|
3044 | "2:\txor %2,%2\n\t"
|
---|
3045 | "stosb"
|
---|
3046 | : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
|
---|
3047 | : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
|
---|
3048 | : "memory");
|
---|
3049 | return dest;
|
---|
3050 | }
|
---|
3051 |
|
---|
3052 | static inline void * memcpy1(void * to, const void * from, size_t n)
|
---|
3053 | {
|
---|
3054 | long d0, d1, d2;
|
---|
3055 | __asm__ __volatile__(
|
---|
3056 | "rep ; movsl\n\t"
|
---|
3057 | "testb $2,%b4\n\t"
|
---|
3058 | "je 1f\n\t"
|
---|
3059 | "movsw\n"
|
---|
3060 | "1:\ttestb $1,%b4\n\t"
|
---|
3061 | "je 2f\n\t"
|
---|
3062 | "movsb\n"
|
---|
3063 | "2:"
|
---|
3064 | : "=&c" (d0), "=&D" (d1), "=&S" (d2)
|
---|
3065 | :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
|
---|
3066 | : "memory");
|
---|
3067 | return (to);
|
---|
3068 | }
|
---|
3069 |
|
---|
3070 | static inline void * memcpy2(void * to, const void * from, size_t n)
|
---|
3071 | {
|
---|
3072 | long d0, d1, d2;
|
---|
3073 | __asm__ __volatile__(
|
---|
3074 | "rep movsl\n\t" /* one-line rep prefix + string op */
|
---|
3075 | "testb $2,%b4\n\t"
|
---|
3076 | "je 1f\n\t"
|
---|
3077 | "movsw\n"
|
---|
3078 | "1:\ttestb $1,%b4\n\t"
|
---|
3079 | "je 2f\n\t"
|
---|
3080 | "movsb\n"
|
---|
3081 | "2:"
|
---|
3082 | : "=&c" (d0), "=&D" (d1), "=&S" (d2)
|
---|
3083 | :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
|
---|
3084 | : "memory");
|
---|
3085 | return (to);
|
---|
3086 | }
|
---|
3087 |
|
---|
3088 | static __inline__ void sigaddset1(unsigned int *set, int _sig)
|
---|
3089 | {
|
---|
3090 | __asm__("btsl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
|
---|
3091 | }
|
---|
3092 |
|
---|
3093 | static __inline__ void sigdelset1(unsigned int *set, int _sig)
|
---|
3094 | {
|
---|
3095 | asm("btrl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc", "flags");
|
---|
3096 | }
|
---|
3097 |
|
---|
3098 | static __inline__ __const__ unsigned int swab32(unsigned int x)
|
---|
3099 | {
|
---|
3100 | __asm__("xchgb %b0,%h0\n\t" /* swap lower bytes */
|
---|
3101 | "rorl $16,%0\n\t" /* swap words */
|
---|
3102 | "xchgb %b0,%h0" /* swap higher bytes */
|
---|
3103 | :"=" "q" (x)
|
---|
3104 | : "0" (x));
|
---|
3105 | return x;
|
---|
3106 | }
|
---|
3107 |
|
---|
3108 | static __inline__ unsigned long long mul64(unsigned int a, unsigned int b)
|
---|
3109 | {
|
---|
3110 | unsigned long long res;
|
---|
3111 | #ifdef __x86_64__
|
---|
3112 | /* Using the A constraint is wrong (it means rdx:rax, which is too large)
|
---|
3113 | but still test the 32bit->64bit mull. */
|
---|
3114 | unsigned int resh, resl;
|
---|
3115 | __asm__("mull %2" : "=a" (resl), "=d" (resh) : "a" (a), "r" (b));
|
---|
3116 | res = ((unsigned long long)resh << 32) | resl;
|
---|
3117 | #else
|
---|
3118 | __asm__("mull %2" : "=A" (res) : "a" (a), "r" (b));
|
---|
3119 | #endif
|
---|
3120 | return res;
|
---|
3121 | }
|
---|
3122 |
|
---|
3123 | static __inline__ unsigned long long inc64(unsigned long long a)
|
---|
3124 | {
|
---|
3125 | unsigned long long res;
|
---|
3126 | #ifdef __x86_64__
|
---|
3127 | /* Using the A constraint is wrong, and increments are tested
|
---|
3128 | elsewhere. */
|
---|
3129 | res = a + 1;
|
---|
3130 | #else
|
---|
3131 | __asm__("addl $1, %%eax ; adcl $0, %%edx" : "=A" (res) : "A" (a));
|
---|
3132 | #endif
|
---|
3133 | return res;
|
---|
3134 | }
|
---|
3135 |
|
---|
3136 | struct struct123 {
|
---|
3137 | int a;
|
---|
3138 | int b;
|
---|
3139 | };
|
---|
3140 | struct struct1231 {
|
---|
3141 | unsigned long addr;
|
---|
3142 | };
|
---|
3143 |
|
---|
3144 | unsigned long mconstraint_test(struct struct1231 *r)
|
---|
3145 | {
|
---|
3146 | unsigned long ret;
|
---|
3147 | unsigned int a[2];
|
---|
3148 | a[0] = 0;
|
---|
3149 | __asm__ volatile ("lea %2,%0; movl 4(%0),%k0; addl %2,%k0; movl $51,%2; movl $52,4%2; movl $63,%1"
|
---|
3150 | : "=&r" (ret), "=m" (a)
|
---|
3151 | : "m" (*(struct struct123 *)r->addr));
|
---|
3152 | return ret + a[0];
|
---|
3153 | }
|
---|
3154 |
|
---|
3155 | #ifdef __x86_64__
|
---|
3156 | int fls64(unsigned long long x)
|
---|
3157 | {
|
---|
3158 | int bitpos = -1;
|
---|
3159 | asm("bsrq %1,%q0"
|
---|
3160 | : "+r" (bitpos)
|
---|
3161 | : "rm" (x));
|
---|
3162 | return bitpos + 1;
|
---|
3163 | }
|
---|
3164 | #endif
|
---|
3165 |
|
---|
3166 | void other_constraints_test(void)
|
---|
3167 | {
|
---|
3168 | unsigned long ret;
|
---|
3169 | int var;
|
---|
3170 | #ifndef _WIN64
|
---|
3171 | __asm__ volatile ("mov %P1,%0" : "=r" (ret) : "p" (&var));
|
---|
3172 | printf ("oc1: %d\n", ret == (unsigned long)&var);
|
---|
3173 | #endif
|
---|
3174 | }
|
---|
3175 |
|
---|
3176 | #ifndef _WIN32
|
---|
3177 | /* Test global asm blocks playing with aliases. */
|
---|
3178 | void base_func(void)
|
---|
3179 | {
|
---|
3180 | printf ("asmc: base\n");
|
---|
3181 | }
|
---|
3182 |
|
---|
3183 | extern void override_func1 (void);
|
---|
3184 | extern void override_func2 (void);
|
---|
3185 |
|
---|
3186 | asm(".weak override_func1\n.set override_func1, base_func");
|
---|
3187 | asm(".set override_func1, base_func");
|
---|
3188 | asm(".set override_func2, base_func");
|
---|
3189 |
|
---|
3190 | void override_func2 (void)
|
---|
3191 | {
|
---|
3192 | printf ("asmc: override2\n");
|
---|
3193 | }
|
---|
3194 |
|
---|
3195 | /* This checks a construct used by the linux kernel to encode
|
---|
3196 | references to strings by PC relative references. */
|
---|
3197 | extern int bug_table[] __attribute__((section("__bug_table")));
|
---|
3198 | char * get_asm_string (void)
|
---|
3199 | {
|
---|
3200 | extern int some_symbol;
|
---|
3201 | asm volatile (".globl some_symbol\n"
|
---|
3202 | "jmp .+6\n"
|
---|
3203 | "1:\n"
|
---|
3204 | "some_symbol: .long 0\n"
|
---|
3205 | ".pushsection __bug_table, \"a\"\n"
|
---|
3206 | ".globl bug_table\n"
|
---|
3207 | "bug_table:\n"
|
---|
3208 | /* The first entry (1b-2b) is unused in this test,
|
---|
3209 | but we include it to check if cross-section
|
---|
3210 | PC-relative references work. */
|
---|
3211 | "2:\t.long 1b - 2b, %c0 - 2b\n"
|
---|
3212 | ".popsection\n" : : "i" ("A string"));
|
---|
3213 | char * str = ((char*)bug_table) + bug_table[1];
|
---|
3214 | return str;
|
---|
3215 | }
|
---|
3216 |
|
---|
3217 | /* This checks another constructs with local labels. */
|
---|
3218 | extern unsigned char alld_stuff[];
|
---|
3219 | asm(".data\n"
|
---|
3220 | ".byte 41\n"
|
---|
3221 | "alld_stuff:\n"
|
---|
3222 | "661:\n"
|
---|
3223 | ".byte 42\n"
|
---|
3224 | "662:\n"
|
---|
3225 | ".pushsection .data.ignore\n"
|
---|
3226 | ".long 661b - .\n" /* This reference to 661 generates an external sym
|
---|
3227 | which shouldn't somehow overwrite the offset that's
|
---|
3228 | already determined for it. */
|
---|
3229 | ".popsection\n"
|
---|
3230 | ".byte 662b - 661b\n" /* So that this value is undeniably 1. */);
|
---|
3231 |
|
---|
3232 | void asm_local_label_diff (void)
|
---|
3233 | {
|
---|
3234 | printf ("asm_local_label_diff: %d %d\n", alld_stuff[0], alld_stuff[1]);
|
---|
3235 | }
|
---|
3236 |
|
---|
3237 | /* This checks that static local variables are available from assembler. */
|
---|
3238 | void asm_local_statics (void)
|
---|
3239 | {
|
---|
3240 | static int localint = 41;
|
---|
3241 | asm("incl %0" : "+m" (localint));
|
---|
3242 | printf ("asm_local_statics: %d\n", localint);
|
---|
3243 | }
|
---|
3244 | #endif
|
---|
3245 |
|
---|
3246 | static
|
---|
3247 | unsigned int set;
|
---|
3248 |
|
---|
3249 | void fancy_copy (unsigned *in, unsigned *out)
|
---|
3250 | {
|
---|
3251 | asm volatile ("" : "=r" (*out) : "0" (*in));
|
---|
3252 | }
|
---|
3253 |
|
---|
3254 | void fancy_copy2 (unsigned *in, unsigned *out)
|
---|
3255 | {
|
---|
3256 | asm volatile ("mov %0,(%1)" : : "r" (*in), "r" (out) : "memory");
|
---|
3257 | }
|
---|
3258 |
|
---|
3259 | #if defined __x86_64__ && !defined _WIN64
|
---|
3260 | void clobber_r12(void)
|
---|
3261 | {
|
---|
3262 | asm volatile("mov $1, %%r12" ::: "r12");
|
---|
3263 | }
|
---|
3264 | #endif
|
---|
3265 |
|
---|
3266 | void test_high_clobbers(void)
|
---|
3267 | {
|
---|
3268 | #if defined __x86_64__ && !defined _WIN64
|
---|
3269 | register long val asm("r12");
|
---|
3270 | long val2;
|
---|
3271 | /* This tests if asm clobbers correctly save/restore callee saved
|
---|
3272 | registers if they are clobbered and if it's the high 8 x86-64
|
---|
3273 | registers. This is fragile for GCC as the constraints do not
|
---|
3274 | correctly capture the data flow, but good enough for us. */
|
---|
3275 | asm volatile("mov $0x4542, %%r12" : "=r" (val):: "memory");
|
---|
3276 | clobber_r12();
|
---|
3277 | asm volatile("mov %%r12, %0" : "=r" (val2) : "r" (val): "memory");
|
---|
3278 | printf("asmhc: 0x%x\n", val2);
|
---|
3279 | #endif
|
---|
3280 | }
|
---|
3281 |
|
---|
3282 | static long cpu_number;
|
---|
3283 | void trace_console(long len, long len2)
|
---|
3284 | {
|
---|
3285 | #ifdef __x86_64__
|
---|
3286 | /* This generated invalid code when the emission of the switch
|
---|
3287 | table isn't disabled. The asms are necessary to show the bug,
|
---|
3288 | normal statements don't work (they need to generate some code
|
---|
3289 | even under nocode_wanted, which normal statements don't do,
|
---|
3290 | but asms do). Also at least these number of cases is necessary
|
---|
3291 | to generate enough "random" bytes. They ultimately are enough
|
---|
3292 | to create invalid instruction patterns to which the first
|
---|
3293 | skip-to-decision-table jump jumps. If decision table emission
|
---|
3294 | is disabled all of this is no problem.
|
---|
3295 |
|
---|
3296 | It also is necessary that the switches are in a statement expression
|
---|
3297 | (which has the property of not being enterable from outside. no
|
---|
3298 | matter what). */
|
---|
3299 | if (0
|
---|
3300 | &&
|
---|
3301 | ({
|
---|
3302 | long pscr_ret__;
|
---|
3303 | switch(len) {
|
---|
3304 | case 4:
|
---|
3305 | {
|
---|
3306 | long pfo_ret__;
|
---|
3307 | switch (len2) {
|
---|
3308 | case 8: printf("bla"); pfo_ret__ = 42; break;
|
---|
3309 | }
|
---|
3310 | pscr_ret__ = pfo_ret__;
|
---|
3311 | }
|
---|
3312 | break;
|
---|
3313 | case 8:
|
---|
3314 | {
|
---|
3315 | long pfo_ret__;
|
---|
3316 | switch (len2) {
|
---|
3317 | case 1:asm("movq %1,%0": "=r" (pfo_ret__) : "m" (cpu_number)); break;
|
---|
3318 | case 2:asm("movq %1,%0": "=r" (pfo_ret__) : "m" (cpu_number)); break;
|
---|
3319 | case 4:asm("movq %1,%0": "=r" (pfo_ret__) : "m" (cpu_number)); break;
|
---|
3320 | case 8:asm("movq %1,%0": "=r" (pfo_ret__) : "m" (cpu_number)); break;
|
---|
3321 | default: printf("impossible\n");
|
---|
3322 | }
|
---|
3323 | pscr_ret__ = pfo_ret__;
|
---|
3324 | };
|
---|
3325 | break;
|
---|
3326 | }
|
---|
3327 | pscr_ret__;
|
---|
3328 | }))
|
---|
3329 | {
|
---|
3330 | printf("huh?\n");
|
---|
3331 | }
|
---|
3332 | #endif
|
---|
3333 | }
|
---|
3334 |
|
---|
3335 | void test_asm_dead_code(void)
|
---|
3336 | {
|
---|
3337 | long rdi;
|
---|
3338 | /* Try to make sure that xdi contains a zero, and hence will
|
---|
3339 | lead to a segfault if the next asm is evaluated without
|
---|
3340 | arguments being set up. */
|
---|
3341 | asm volatile ("" : "=D" (rdi) : "0" (0));
|
---|
3342 | (void)sizeof (({
|
---|
3343 | int var;
|
---|
3344 | /* This shouldn't trigger a segfault, either the argument
|
---|
3345 | registers need to be set up and the asm emitted despite
|
---|
3346 | this being in an unevaluated context, or both the argument
|
---|
3347 | setup _and_ the asm emission need to be suppressed. The latter
|
---|
3348 | is better. Disabling asm code gen when suppression is on
|
---|
3349 | also fixes the above trace_console bug, but that came earlier
|
---|
3350 | than asm suppression. */
|
---|
3351 | asm volatile ("movl $0,(%0)" : : "D" (&var) : "memory");
|
---|
3352 | var;
|
---|
3353 | }));
|
---|
3354 | }
|
---|
3355 |
|
---|
3356 | void test_asm_call(void)
|
---|
3357 | {
|
---|
3358 | #if defined __x86_64__ && !defined _WIN64
|
---|
3359 | static char str[] = "PATH";
|
---|
3360 | char *s;
|
---|
3361 | /* This tests if a reference to an undefined symbol from an asm
|
---|
3362 | block, which isn't otherwise referenced in this file, is correctly
|
---|
3363 | regarded as global symbol, so that it's resolved by other object files
|
---|
3364 | or libraries. We chose getenv here, which isn't used anywhere else
|
---|
3365 | in this file. (If we used e.g. printf, which is used we already
|
---|
3366 | would have a global symbol entry, not triggering the bug which is
|
---|
3367 | tested here). */
|
---|
3368 | /* two pushes so stack remains aligned */
|
---|
3369 | asm volatile ("push %%rdi; push %%rdi; mov %0, %%rdi;"
|
---|
3370 | #if 1 && !defined(__TINYC__) && (defined(__PIC__) || defined(__PIE__))
|
---|
3371 | "call getenv@plt;"
|
---|
3372 | #else
|
---|
3373 | "call getenv;"
|
---|
3374 | #endif
|
---|
3375 | "pop %%rdi; pop %%rdi"
|
---|
3376 | : "=a" (s) : "r" (str));
|
---|
3377 | printf("asmd: %s\n", s);
|
---|
3378 | #endif
|
---|
3379 | }
|
---|
3380 |
|
---|
3381 | #if defined __x86_64__
|
---|
3382 | # define RX "(%rip)"
|
---|
3383 | #else
|
---|
3384 | # define RX
|
---|
3385 | #endif
|
---|
3386 |
|
---|
3387 | void asm_dot_test(void)
|
---|
3388 | {
|
---|
3389 | int x;
|
---|
3390 | for (x = 1;; ++x) {
|
---|
3391 | int r = x;
|
---|
3392 | switch (x) {
|
---|
3393 | case 1:
|
---|
3394 | asm(".text; lea S"RX",%eax; lea ."RX",%ecx; sub %ecx,%eax; S=.; jmp p0");
|
---|
3395 | case 2:
|
---|
3396 | asm(".text; jmp .+6; .int 123; mov .-4"RX",%eax; jmp p0");
|
---|
3397 | case 3:
|
---|
3398 | asm(".data; Y=.; .int 999; X=Y; .int 456; X=.-4");
|
---|
3399 | asm(".text; mov X"RX",%eax; jmp p0");
|
---|
3400 | case 4:
|
---|
3401 | asm(".data; X=.; .int 789; Y=.; .int 999");
|
---|
3402 | asm(".text; mov X"RX",%eax; X=Y; jmp p0");
|
---|
3403 | case 0:
|
---|
3404 | asm(".text; p0=.; mov %%eax,%0;" : "=m"(r)); break;
|
---|
3405 | }
|
---|
3406 | if (r == x)
|
---|
3407 | break;
|
---|
3408 | printf("asm_dot_test %d: %d\n", x, r);
|
---|
3409 | }
|
---|
3410 | }
|
---|
3411 |
|
---|
3412 | void asm_test(void)
|
---|
3413 | {
|
---|
3414 | char buf[128];
|
---|
3415 | unsigned int val, val2;
|
---|
3416 | struct struct123 s1;
|
---|
3417 | struct struct1231 s2 = { (unsigned long)&s1 };
|
---|
3418 | /* Hide the outer base_func, but check later that the inline
|
---|
3419 | asm block gets the outer one. */
|
---|
3420 | int base_func = 42;
|
---|
3421 | void override_func3 (void);
|
---|
3422 | unsigned long asmret;
|
---|
3423 | #ifdef BOOL_ISOC99
|
---|
3424 | _Bool somebool;
|
---|
3425 | #endif
|
---|
3426 | register int regvar asm("%esi");
|
---|
3427 |
|
---|
3428 | printf("inline asm:\n");
|
---|
3429 |
|
---|
3430 | // parse 0x1E-1 as 3 tokens in asm mode
|
---|
3431 | asm volatile ("mov $0x1E-1,%eax");
|
---|
3432 |
|
---|
3433 | /* test the no operand case */
|
---|
3434 | asm volatile ("xorl %eax, %eax");
|
---|
3435 |
|
---|
3436 | memcpy1(buf, "hello", 6);
|
---|
3437 | strncat1(buf, " worldXXXXX", 3);
|
---|
3438 | printf("%s\n", buf);
|
---|
3439 |
|
---|
3440 | memcpy2(buf, "hello", 6);
|
---|
3441 | strncat2(buf, " worldXXXXX", 3);
|
---|
3442 | printf("%s\n", buf);
|
---|
3443 |
|
---|
3444 | /* 'A' constraint test */
|
---|
3445 | printf("mul64=0x%Lx\n", mul64(0x12345678, 0xabcd1234));
|
---|
3446 | printf("inc64=0x%Lx\n", inc64(0x12345678ffffffff));
|
---|
3447 |
|
---|
3448 | s1.a = 42;
|
---|
3449 | s1.b = 43;
|
---|
3450 | printf("mconstraint: %d", mconstraint_test(&s2));
|
---|
3451 | printf(" %d %d\n", s1.a, s1.b);
|
---|
3452 | other_constraints_test();
|
---|
3453 | set = 0xff;
|
---|
3454 | sigdelset1(&set, 2);
|
---|
3455 | sigaddset1(&set, 16);
|
---|
3456 | /* NOTE: we test here if C labels are correctly restored after the
|
---|
3457 | asm statement */
|
---|
3458 | goto label1;
|
---|
3459 | label2:
|
---|
3460 | __asm__("btsl %1,%0" : "=m"(set) : "Ir"(20) : "cc");
|
---|
3461 | printf("set=0x%x\n", set);
|
---|
3462 | val = 0x01020304;
|
---|
3463 | printf("swab32(0x%08x) = 0x%0x\n", val, swab32(val));
|
---|
3464 | #ifndef _WIN32
|
---|
3465 | override_func1();
|
---|
3466 | override_func2();
|
---|
3467 | /* The base_func ref from the following inline asm should find
|
---|
3468 | the global one, not the local decl from this function. */
|
---|
3469 | asm volatile(".weak override_func3\n.set override_func3, base_func");
|
---|
3470 | override_func3();
|
---|
3471 | printf("asmstr: %s\n", get_asm_string());
|
---|
3472 | asm_local_label_diff();
|
---|
3473 | asm_local_statics();
|
---|
3474 | #endif
|
---|
3475 | /* Check that we can also load structs of appropriate layout
|
---|
3476 | into registers. */
|
---|
3477 | asm volatile("" : "=r" (asmret) : "0"(s2));
|
---|
3478 | if (asmret != s2.addr)
|
---|
3479 | printf("asmstr: failed\n");
|
---|
3480 | #ifdef BOOL_ISOC99
|
---|
3481 | /* Check that the typesize correctly sets the register size to
|
---|
3482 | 8 bit. */
|
---|
3483 | asm volatile("cmp %1,%2; sete %0" : "=a"(somebool) : "r"(1), "r"(2));
|
---|
3484 | if (!somebool)
|
---|
3485 | printf("asmbool: failed\n");
|
---|
3486 | #endif
|
---|
3487 | val = 43;
|
---|
3488 | fancy_copy (&val, &val2);
|
---|
3489 | printf ("fancycpy(%d)=%d\n", val, val2);
|
---|
3490 | val = 44;
|
---|
3491 | fancy_copy2 (&val, &val2);
|
---|
3492 | printf ("fancycpy2(%d)=%d\n", val, val2);
|
---|
3493 | asm volatile ("mov $0x4243, %%esi" : "=r" (regvar));
|
---|
3494 | printf ("regvar=%x\n", regvar);
|
---|
3495 | test_high_clobbers();
|
---|
3496 | trace_console(8, 8);
|
---|
3497 | test_asm_dead_code();
|
---|
3498 | test_asm_call();
|
---|
3499 | asm_dot_test();
|
---|
3500 | return;
|
---|
3501 | label1:
|
---|
3502 | goto label2;
|
---|
3503 | }
|
---|
3504 |
|
---|
3505 | #else
|
---|
3506 |
|
---|
3507 | void asm_test(void)
|
---|
3508 | {
|
---|
3509 | }
|
---|
3510 |
|
---|
3511 | #endif
|
---|
3512 |
|
---|
3513 | #define COMPAT_TYPE(type1, type2) \
|
---|
3514 | {\
|
---|
3515 | printf("__builtin_types_compatible_p(%s, %s) = %d\n", #type1, #type2, \
|
---|
3516 | __builtin_types_compatible_p (type1, type2));\
|
---|
3517 | }
|
---|
3518 |
|
---|
3519 | int constant_p_var;
|
---|
3520 |
|
---|
3521 | void builtin_test(void)
|
---|
3522 | {
|
---|
3523 | short s;
|
---|
3524 | int i;
|
---|
3525 | long long ll;
|
---|
3526 | #if GCC_MAJOR >= 3
|
---|
3527 | COMPAT_TYPE(int, int);
|
---|
3528 | COMPAT_TYPE(int, unsigned int);
|
---|
3529 | COMPAT_TYPE(int, char);
|
---|
3530 | COMPAT_TYPE(int, const int);
|
---|
3531 | COMPAT_TYPE(int, volatile int);
|
---|
3532 | COMPAT_TYPE(int *, int *);
|
---|
3533 | COMPAT_TYPE(int *, void *);
|
---|
3534 | COMPAT_TYPE(int *, const int *);
|
---|
3535 | COMPAT_TYPE(char *, unsigned char *);
|
---|
3536 | COMPAT_TYPE(char *, signed char *);
|
---|
3537 | COMPAT_TYPE(char *, char *);
|
---|
3538 | /* space is needed because tcc preprocessor introduces a space between each token */
|
---|
3539 | COMPAT_TYPE(char * *, void *);
|
---|
3540 | #endif
|
---|
3541 | printf("res = %d\n", __builtin_constant_p(1));
|
---|
3542 | printf("res = %d\n", __builtin_constant_p(1 + 2));
|
---|
3543 | printf("res = %d\n", __builtin_constant_p(&constant_p_var));
|
---|
3544 | printf("res = %d\n", __builtin_constant_p(constant_p_var));
|
---|
3545 | printf("res = %d\n", __builtin_constant_p(100000 / constant_p_var));
|
---|
3546 | s = 1;
|
---|
3547 | ll = 2;
|
---|
3548 | i = __builtin_choose_expr (1 != 0, ll, s);
|
---|
3549 | printf("bce: %d\n", i);
|
---|
3550 | i = __builtin_choose_expr (1 != 1, ll, s);
|
---|
3551 | printf("bce: %d\n", i);
|
---|
3552 | i = sizeof (__builtin_choose_expr (1, ll, s));
|
---|
3553 | printf("bce: %d\n", i);
|
---|
3554 | i = sizeof (__builtin_choose_expr (0, ll, s));
|
---|
3555 | printf("bce: %d\n", i);
|
---|
3556 |
|
---|
3557 | //printf("bera: %p\n", __builtin_extract_return_addr((void*)43));
|
---|
3558 | }
|
---|
3559 |
|
---|
3560 | #ifndef _WIN32
|
---|
3561 | extern int __attribute__((weak)) weak_f1(void);
|
---|
3562 | extern int __attribute__((weak)) weak_f2(void);
|
---|
3563 | extern int weak_f3(void);
|
---|
3564 | extern int __attribute__((weak)) weak_v1;
|
---|
3565 | extern int __attribute__((weak)) weak_v2;
|
---|
3566 | extern int weak_v3;
|
---|
3567 |
|
---|
3568 | extern int (*weak_fpa)() __attribute__((weak));
|
---|
3569 | extern int __attribute__((weak)) (*weak_fpb)();
|
---|
3570 | extern __attribute__((weak)) int (*weak_fpc)();
|
---|
3571 |
|
---|
3572 | extern int weak_asm_f1(void) asm("weak_asm_f1x") __attribute((weak));
|
---|
3573 | extern int __attribute((weak)) weak_asm_f2(void) asm("weak_asm_f2x") ;
|
---|
3574 | extern int __attribute((weak)) weak_asm_f3(void) asm("weak_asm_f3x") __attribute((weak));
|
---|
3575 | extern int weak_asm_v1 asm("weak_asm_v1x") __attribute((weak));
|
---|
3576 | extern int __attribute((weak)) weak_asm_v2 asm("weak_asm_v2x") ;
|
---|
3577 | extern int __attribute((weak)) weak_asm_v3(void) asm("weak_asm_v3x") __attribute((weak));
|
---|
3578 |
|
---|
3579 | static const size_t dummy = 0;
|
---|
3580 | extern __typeof(dummy) weak_dummy1 __attribute__((weak, alias("dummy")));
|
---|
3581 | extern __typeof(dummy) __attribute__((weak, alias("dummy"))) weak_dummy2;
|
---|
3582 | extern __attribute__((weak, alias("dummy"))) __typeof(dummy) weak_dummy3;
|
---|
3583 |
|
---|
3584 | int some_lib_func(void);
|
---|
3585 | int dummy_impl_of_slf(void) { return 444; }
|
---|
3586 | int some_lib_func(void) __attribute__((weak, alias("dummy_impl_of_slf")));
|
---|
3587 |
|
---|
3588 | int weak_toolate() __attribute__((weak));
|
---|
3589 | int weak_toolate() { return 0; }
|
---|
3590 |
|
---|
3591 | void __attribute__((weak)) weak_test(void)
|
---|
3592 | {
|
---|
3593 | printf("weak_f1=%d\n", weak_f1 ? weak_f1() : 123);
|
---|
3594 | printf("weak_f2=%d\n", weak_f2 ? weak_f2() : 123);
|
---|
3595 | printf("weak_f3=%d\n", weak_f3 ? weak_f3() : 123);
|
---|
3596 | printf("weak_v1=%d\n",&weak_v1 ? weak_v1 : 123);
|
---|
3597 | printf("weak_v2=%d\n",&weak_v2 ? weak_v2 : 123);
|
---|
3598 | printf("weak_v3=%d\n",&weak_v3 ? weak_v3 : 123);
|
---|
3599 |
|
---|
3600 | printf("weak_fpa=%d\n",&weak_fpa ? weak_fpa() : 123);
|
---|
3601 | printf("weak_fpb=%d\n",&weak_fpb ? weak_fpb() : 123);
|
---|
3602 | printf("weak_fpc=%d\n",&weak_fpc ? weak_fpc() : 123);
|
---|
3603 |
|
---|
3604 | printf("weak_asm_f1=%d\n", weak_asm_f1 != NULL);
|
---|
3605 | printf("weak_asm_f2=%d\n", weak_asm_f2 != NULL);
|
---|
3606 | printf("weak_asm_f3=%d\n", weak_asm_f3 != NULL);
|
---|
3607 | printf("weak_asm_v1=%d\n",&weak_asm_v1 != NULL);
|
---|
3608 | printf("weak_asm_v2=%d\n",&weak_asm_v2 != NULL);
|
---|
3609 | printf("weak_asm_v3=%d\n",&weak_asm_v3 != NULL);
|
---|
3610 | printf("some_lib_func=%d\n", &some_lib_func ? some_lib_func() : 0);
|
---|
3611 | }
|
---|
3612 |
|
---|
3613 | int __attribute__((weak)) weak_f2() { return 222; }
|
---|
3614 | int __attribute__((weak)) weak_f3() { return 333; }
|
---|
3615 | int __attribute__((weak)) weak_v2 = 222;
|
---|
3616 | int __attribute__((weak)) weak_v3 = 333;
|
---|
3617 | #endif
|
---|
3618 |
|
---|
3619 | void const_func(const int a)
|
---|
3620 | {
|
---|
3621 | }
|
---|
3622 |
|
---|
3623 | void const_warn_test(void)
|
---|
3624 | {
|
---|
3625 | const_func(1);
|
---|
3626 | }
|
---|
3627 |
|
---|
3628 | struct condstruct {
|
---|
3629 | int i;
|
---|
3630 | };
|
---|
3631 |
|
---|
3632 | int getme (struct condstruct *s, int i)
|
---|
3633 | {
|
---|
3634 | int i1 = (i == 0 ? 0 : s)->i;
|
---|
3635 | int i2 = (i == 0 ? s : 0)->i;
|
---|
3636 | int i3 = (i == 0 ? (void*)0 : s)->i;
|
---|
3637 | int i4 = (i == 0 ? s : (void*)0)->i;
|
---|
3638 | return i1 + i2 + i3 + i4;
|
---|
3639 | }
|
---|
3640 |
|
---|
3641 | struct global_data
|
---|
3642 | {
|
---|
3643 | int a[40];
|
---|
3644 | int *b[40];
|
---|
3645 | };
|
---|
3646 |
|
---|
3647 | struct global_data global_data;
|
---|
3648 |
|
---|
3649 | int global_data_getstuff (int *, int);
|
---|
3650 |
|
---|
3651 | void global_data_callit (int i)
|
---|
3652 | {
|
---|
3653 | *global_data.b[i] = global_data_getstuff (global_data.b[i], 1);
|
---|
3654 | }
|
---|
3655 |
|
---|
3656 | int global_data_getstuff (int *p, int i)
|
---|
3657 | {
|
---|
3658 | return *p + i;
|
---|
3659 | }
|
---|
3660 |
|
---|
3661 | void global_data_test (void)
|
---|
3662 | {
|
---|
3663 | global_data.a[0] = 42;
|
---|
3664 | global_data.b[0] = &global_data.a[0];
|
---|
3665 | global_data_callit (0);
|
---|
3666 | printf ("%d\n", global_data.a[0]);
|
---|
3667 | }
|
---|
3668 |
|
---|
3669 | struct cmpcmpS
|
---|
3670 | {
|
---|
3671 | unsigned char fill : 3;
|
---|
3672 | unsigned char b1 : 1;
|
---|
3673 | unsigned char b2 : 1;
|
---|
3674 | unsigned char fill2 : 3;
|
---|
3675 | };
|
---|
3676 |
|
---|
3677 | int glob1, glob2, glob3;
|
---|
3678 |
|
---|
3679 | void compare_comparisons (struct cmpcmpS *s)
|
---|
3680 | {
|
---|
3681 | if (s->b1 != (glob1 == glob2)
|
---|
3682 | || (s->b2 != (glob1 == glob3)))
|
---|
3683 | printf ("comparing comparisons broken\n");
|
---|
3684 | }
|
---|
3685 |
|
---|
3686 | void cmp_comparison_test(void)
|
---|
3687 | {
|
---|
3688 | struct cmpcmpS s;
|
---|
3689 | s.b1 = 1;
|
---|
3690 | glob1 = 42; glob2 = 42;
|
---|
3691 | s.b2 = 0;
|
---|
3692 | glob3 = 43;
|
---|
3693 | compare_comparisons (&s);
|
---|
3694 | }
|
---|
3695 |
|
---|
3696 | int fcompare (double a, double b, int code)
|
---|
3697 | {
|
---|
3698 | switch (code) {
|
---|
3699 | case 0: return a == b;
|
---|
3700 | case 1: return a != b;
|
---|
3701 | case 2: return a < b;
|
---|
3702 | case 3: return a >= b;
|
---|
3703 | case 4: return a > b;
|
---|
3704 | case 5: return a <= b;
|
---|
3705 | }
|
---|
3706 | }
|
---|
3707 |
|
---|
3708 | void math_cmp_test(void)
|
---|
3709 | {
|
---|
3710 | double nan = 0.0/0.0;
|
---|
3711 | double one = 1.0;
|
---|
3712 | double two = 2.0;
|
---|
3713 | int comp = 0;
|
---|
3714 | #define bug(a,b,op,iop,part) printf("Test broken: %s %s %s %s %d\n", #a, #b, #op, #iop, part)
|
---|
3715 |
|
---|
3716 | /* This asserts that "a op b" is _not_ true, but "a iop b" is true.
|
---|
3717 | And it does this in various ways so that all code generation paths
|
---|
3718 | are checked (generating inverted tests, or non-inverted tests, or
|
---|
3719 | producing a 0/1 value without jumps (that's done in the fcompare
|
---|
3720 | function). */
|
---|
3721 | #define FCMP(a,b,op,iop,code) \
|
---|
3722 | if (fcompare (a,b,code)) \
|
---|
3723 | bug (a,b,op,iop,1); \
|
---|
3724 | if (a op b) \
|
---|
3725 | bug (a,b,op,iop,2); \
|
---|
3726 | if (a iop b) \
|
---|
3727 | ; \
|
---|
3728 | else \
|
---|
3729 | bug (a,b,op,iop,3); \
|
---|
3730 | if ((a op b) || comp) \
|
---|
3731 | bug (a,b,op,iop,4); \
|
---|
3732 | if ((a iop b) || comp) \
|
---|
3733 | ; \
|
---|
3734 | else \
|
---|
3735 | bug (a,b,op,iop,5);
|
---|
3736 |
|
---|
3737 | /* Equality tests. */
|
---|
3738 | FCMP(nan, nan, ==, !=, 0);
|
---|
3739 | FCMP(one, two, ==, !=, 0);
|
---|
3740 | FCMP(one, one, !=, ==, 1);
|
---|
3741 | /* Non-equality is a bit special. */
|
---|
3742 | if (!fcompare (nan, nan, 1))
|
---|
3743 | bug (nan, nan, !=, ==, 6);
|
---|
3744 |
|
---|
3745 | /* Relational tests on numbers. */
|
---|
3746 | FCMP(two, one, <, >=, 2);
|
---|
3747 | FCMP(one, two, >=, <, 3);
|
---|
3748 | FCMP(one, two, >, <=, 4);
|
---|
3749 | FCMP(two, one, <=, >, 5);
|
---|
3750 |
|
---|
3751 | /* Relational tests on NaNs. Note that the inverse op here is
|
---|
3752 | always !=, there's no operator in C that is equivalent to !(a < b),
|
---|
3753 | when NaNs are involved, same for the other relational ops. */
|
---|
3754 | FCMP(nan, nan, <, !=, 2);
|
---|
3755 | FCMP(nan, nan, >=, !=, 3);
|
---|
3756 | FCMP(nan, nan, >, !=, 4);
|
---|
3757 | FCMP(nan, nan, <=, !=, 5);
|
---|
3758 | }
|
---|
3759 |
|
---|
3760 | double get100 () { return 100.0; }
|
---|
3761 |
|
---|
3762 | void callsave_test(void)
|
---|
3763 | {
|
---|
3764 | #if defined __i386__ || defined __x86_64__ || defined __arm__
|
---|
3765 | int i, s; double *d; double t;
|
---|
3766 | s = sizeof (double);
|
---|
3767 | printf ("callsavetest: %d\n", s);
|
---|
3768 | d = alloca (sizeof(double));
|
---|
3769 | d[0] = 10.0;
|
---|
3770 | /* x86-64 had a bug were the next call to get100 would evict
|
---|
3771 | the lvalue &d[0] as VT_LLOCAL, and the reload would be done
|
---|
3772 | in int type, not pointer type. When alloca returns a pointer
|
---|
3773 | with the high 32 bit set (which is likely on x86-64) the access
|
---|
3774 | generates a segfault. */
|
---|
3775 | i = d[0] > get100 ();
|
---|
3776 | printf ("%d\n", i);
|
---|
3777 | #endif
|
---|
3778 | }
|
---|
3779 |
|
---|
3780 |
|
---|
3781 | void bfa3(ptrdiff_t str_offset)
|
---|
3782 | {
|
---|
3783 | printf("bfa3: %s\n", (char *)__builtin_frame_address(3) + str_offset);
|
---|
3784 | }
|
---|
3785 | void bfa2(ptrdiff_t str_offset)
|
---|
3786 | {
|
---|
3787 | printf("bfa2: %s\n", (char *)__builtin_frame_address(2) + str_offset);
|
---|
3788 | bfa3(str_offset);
|
---|
3789 | }
|
---|
3790 | void bfa1(ptrdiff_t str_offset)
|
---|
3791 | {
|
---|
3792 | printf("bfa1: %s\n", (char *)__builtin_frame_address(1) + str_offset);
|
---|
3793 | bfa2(str_offset);
|
---|
3794 | }
|
---|
3795 |
|
---|
3796 | void builtin_frame_address_test(void)
|
---|
3797 | {
|
---|
3798 | /* builtin_frame_address fails on ARM with gcc which make test3 fail */
|
---|
3799 | #ifndef __arm__
|
---|
3800 | char str[] = "__builtin_frame_address";
|
---|
3801 | char *fp0 = __builtin_frame_address(0);
|
---|
3802 |
|
---|
3803 | printf("str: %s\n", str);
|
---|
3804 | bfa1(str-fp0);
|
---|
3805 | #endif
|
---|
3806 | }
|
---|
3807 |
|
---|
3808 | char via_volatile (char i)
|
---|
3809 | {
|
---|
3810 | char volatile vi;
|
---|
3811 | vi = i;
|
---|
3812 | return vi;
|
---|
3813 | }
|
---|
3814 |
|
---|
3815 | struct __attribute__((__packed__)) Spacked {
|
---|
3816 | char a;
|
---|
3817 | short b;
|
---|
3818 | int c;
|
---|
3819 | };
|
---|
3820 | struct Spacked spacked;
|
---|
3821 | typedef struct __attribute__((__packed__)) {
|
---|
3822 | char a;
|
---|
3823 | short b;
|
---|
3824 | int c;
|
---|
3825 | } Spacked2;
|
---|
3826 | Spacked2 spacked2;
|
---|
3827 | typedef struct Spacked3_s {
|
---|
3828 | char a;
|
---|
3829 | short b;
|
---|
3830 | int c;
|
---|
3831 | } __attribute__((__packed__)) Spacked3;
|
---|
3832 | Spacked3 spacked3;
|
---|
3833 | struct gate_struct64 {
|
---|
3834 | unsigned short offset_low;
|
---|
3835 | unsigned short segment;
|
---|
3836 | unsigned ist : 3, zero0 : 5, type : 5, dpl : 2, p : 1;
|
---|
3837 | unsigned short offset_middle;
|
---|
3838 | unsigned offset_high;
|
---|
3839 | unsigned zero1;
|
---|
3840 | } __attribute__((packed));
|
---|
3841 | typedef struct gate_struct64 gate_desc;
|
---|
3842 | gate_desc a_gate_desc;
|
---|
3843 | void attrib_test(void)
|
---|
3844 | {
|
---|
3845 | #ifndef _WIN32
|
---|
3846 | printf("attr: %d %d %d %d\n", sizeof(struct Spacked),
|
---|
3847 | sizeof(spacked), sizeof(Spacked2), sizeof(spacked2));
|
---|
3848 | printf("attr: %d %d\n", sizeof(Spacked3), sizeof(spacked3));
|
---|
3849 | printf("attr: %d %d\n", sizeof(gate_desc), sizeof(a_gate_desc));
|
---|
3850 | #endif
|
---|
3851 | }
|
---|
3852 | extern __attribute__((__unused__)) char * __attribute__((__unused__)) *
|
---|
3853 | strange_attrib_placement (void);
|
---|
3854 |
|
---|
3855 | void * __attribute__((__unused__)) get_void_ptr (void *a)
|
---|
3856 | {
|
---|
3857 | return a;
|
---|
3858 | }
|
---|
3859 |
|
---|
3860 | /* This part checks for a bug in TOK_GET (used for inline expansion),
|
---|
3861 | where the large long long constant left the the high bits set for
|
---|
3862 | the integer constant token. */
|
---|
3863 | static inline
|
---|
3864 | int __get_order(unsigned long long size)
|
---|
3865 | {
|
---|
3866 | int order;
|
---|
3867 | size -= 0xffff880000000000ULL; // this const left high bits set in the token
|
---|
3868 | {
|
---|
3869 | struct S { int i : 1; } s; // constructed for this '1'
|
---|
3870 | }
|
---|
3871 | order = size;
|
---|
3872 | return order;
|
---|
3873 | }
|
---|
3874 |
|
---|
3875 | /* This just forces the above inline function to be actually emitted. */
|
---|
3876 | int force_get_order(unsigned long s)
|
---|
3877 | {
|
---|
3878 | return __get_order(s);
|
---|
3879 | }
|
---|