| 1 | #include <asm/hwcap.h> |
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| 2 | #include <asm/mman.h> |
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| 3 | #include <sys/auxv.h> |
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| 4 | #include <sys/mman.h> |
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| 5 | #include <sys/prctl.h> |
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| 6 | #include <unistd.h> |
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| 7 | |
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| 8 | int main(int argc, char const *argv[]) { |
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| 9 | if (!(getauxval(AT_HWCAP2) & HWCAP2_MTE)) |
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| 10 | return 1; |
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| 11 | |
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| 12 | int got = prctl(PR_SET_TAGGED_ADDR_CTRL, PR_TAGGED_ADDR_ENABLE, 0, 0, 0); |
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| 13 | if (got) |
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| 14 | return 1; |
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| 15 | |
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| 16 | void *the_page = mmap(addr: 0, len: sysconf(_SC_PAGESIZE), prot: PROT_MTE, |
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| 17 | MAP_PRIVATE | MAP_ANONYMOUS, fd: -1, offset: 0); |
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| 18 | if (the_page == MAP_FAILED) |
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| 19 | return 1; |
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| 20 | |
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| 21 | return 0; // Set break point at this line. |
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| 22 | } |
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| 23 | |
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