1#include <stdint.h>
2#include <string.h>
3#include <pthread.h>
4#include "test.h"
5
6static __thread char d1 = 11;
7static __thread char d64 __attribute__ ((aligned(64))) = 22;
8static __thread char d4096 __attribute__ ((aligned(4096))) = 33;
9static __thread char z1 = 0;
10static __thread char z64 __attribute__ ((aligned(64))) = 0;
11static __thread char z4096 __attribute__ ((aligned(4096))) = 0;
12static __thread const char *s1 = "s1";
13
14static int tnum;
15
16#define CHECK(c, fmt, ...) do{ \
17	if (!(c)) \
18		t_error("[thread %d]: "#c" failed"fmt".\n", tnum, __VA_ARGS__); \
19}while(0)
20
21static unsigned ptrmod(void *p, unsigned m)
22{
23	volatile unsigned n = (uintptr_t)p;
24	return n % m;
25}
26
27static void *check(void *arg)
28{
29	tnum++;
30
31	CHECK(d1 == 11, " want 11 got %d", d1);
32	CHECK(d64 == 22, " want 22 got %d", d64);
33	CHECK(d4096 == 33, " want 33 got %d", d4096);
34
35	CHECK(ptrmod(&d64, 64) == 0, " address is %p, want 64 byte alignment", &d64);
36	CHECK(ptrmod(&d4096, 4096) == 0, " address is %p, want 4096 byte alignment", &d4096);
37
38	CHECK(z1 == 0, " want 0 got %d", z1);
39	CHECK(z64 == 0, " want 0 got %d", z64);
40	CHECK(z4096 == 0, " want 0 got %d", z4096);
41
42	CHECK(ptrmod(&z64, 64) == 0, " address is %p, want 64 byte alignment", &z64);
43	CHECK(ptrmod(&z4096, 4096) == 0, " address is %p, want 4096 byte alignment", &z4096);
44
45	CHECK(!strcmp(s1, "s1"), " want s1 got %s", s1);
46	return 0;
47}
48
49int main()
50{
51	pthread_t td;
52
53	check(0);
54	CHECK(pthread_create(&td, 0, check, 0) == 0, "", "");
55	CHECK(pthread_join(td, 0) == 0, "", "");
56
57	return t_status;
58}
59