4 * Copyright (c) 2019-2020, Arm Limited.
5 * SPDX-License-Identifier: MIT
13 #include "stringlib.h"
14 #include "stringtest.h"
16 #define F(x, mte) {#x, x, mte},
18 static const struct fun
21 char *(*fun) (char *dest, const char *src);
27 F(__strcpy_aarch64, 0)
28 F(__strcpy_aarch64_mte, 1)
29 # if __ARM_FEATURE_SVE
30 F(__strcpy_aarch64_sve, 1)
32 #elif __arm__ && defined (__thumb2__) && !defined (__thumb__)
44 static char wbuf[LEN + 3 * ALIGN];
49 return (void *) (((uintptr_t) p + ALIGN - 1) & -ALIGN);
53 test (const struct fun *fun, int dalign, int salign, int len)
55 char *src = alignup (sbuf);
56 char *dst = alignup (dbuf);
58 char *s = src + salign;
59 char *d = dst + dalign;
60 char *w = want + dalign;
64 if (err_count >= ERR_LIMIT)
66 if (len > LEN || dalign >= ALIGN || salign >= ALIGN)
68 for (i = 0; i < len + ALIGN; i++)
71 want[i] = dst[i] = '*';
73 for (int i = 0; src + i < s; i++)
75 for (int i = 1; i <= ALIGN; i++)
76 s[len + i] = (len + salign) & 1 ? 1 : 0;
77 for (i = 0; i < len; i++)
78 s[i] = w[i] = 'a' + (i & 31);
79 s[len] = w[len] = '\0';
81 s = tag_buffer (s, len + 1, fun->test_mte);
82 d = tag_buffer (d, len + 1, fun->test_mte);
84 untag_buffer (s, len + 1, fun->test_mte);
85 untag_buffer (d, len + 1, fun->test_mte);
88 ERR ("%s (%p,..) returned %p\n", fun->name, d, p);
90 for (i = 0; i < len + ALIGN; i++)
92 if (dst[i] != want[i])
94 ERR ("%s (align %d, align %d, %d) failed\n",
95 fun->name, dalign, salign, len);
96 quoteat ("got", dst, len + ALIGN, i);
97 quoteat ("want", want, len + ALIGN, i);
106 sbuf = mte_mmap (LEN + 3 * ALIGN);
107 dbuf = mte_mmap (LEN + 3 * ALIGN);
109 for (int i = 0; funtab[i].name; i++)
112 for (int d = 0; d < ALIGN; d++)
113 for (int s = 0; s < ALIGN; s++)
114 for (int n = 0; n < LEN; n++)
115 test (funtab + i, d, s, n);
117 char *pass = funtab[i].test_mte && mte_enabled () ? "MTE PASS" : "PASS";
118 printf ("%s %s\n", err_count ? "FAIL" : pass, funtab[i].name);