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Diffstat (limited to 'tests/tcg/aarch64/mte-1.c')
-rw-r--r-- | tests/tcg/aarch64/mte-1.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/tests/tcg/aarch64/mte-1.c b/tests/tcg/aarch64/mte-1.c new file mode 100644 index 0000000000..88dcd617ad --- /dev/null +++ b/tests/tcg/aarch64/mte-1.c @@ -0,0 +1,28 @@ +/* + * Memory tagging, basic pass cases. + * + * Copyright (c) 2021 Linaro Ltd + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "mte.h" + +int main(int ac, char **av) +{ + int *p0, *p1, *p2; + long c; + + enable_mte(PR_MTE_TCF_NONE); + p0 = alloc_mte_mem(sizeof(*p0)); + + asm("irg %0,%1,%2" : "=r"(p1) : "r"(p0), "r"(1)); + assert(p1 != p0); + asm("subp %0,%1,%2" : "=r"(c) : "r"(p0), "r"(p1)); + assert(c == 0); + + asm("stg %0, [%0]" : : "r"(p1)); + asm("ldg %0, [%1]" : "=r"(p2) : "r"(p0), "0"(p0)); + assert(p1 == p2); + + return 0; +} |