| 1 | // SPDX-License-Identifier: GPL-2.0 |
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| 2 | #include <stdio.h> |
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| 3 | #include <string.h> |
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| 4 | |
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| 5 | #define VDSO__MAP_NAME "[vdso]" |
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| 6 | |
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| 7 | /* |
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| 8 | * Include definition of find_map() also used in util/vdso.c for |
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| 9 | * building perf. |
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| 10 | */ |
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| 11 | #include "util/find-map.c" |
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| 12 | |
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| 13 | int main(void) |
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| 14 | { |
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| 15 | void *start, *end; |
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| 16 | size_t size, written; |
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| 17 | |
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| 18 | if (find_map(start: &start, end: &end, VDSO__MAP_NAME)) |
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| 19 | return 1; |
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| 20 | |
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| 21 | size = end - start; |
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| 22 | |
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| 23 | while (size) { |
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| 24 | written = fwrite(start, 1, size, stdout); |
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| 25 | if (!written) |
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| 26 | return 1; |
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| 27 | start += written; |
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| 28 | size -= written; |
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| 29 | } |
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| 30 | |
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| 31 | if (fflush(stdout)) |
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| 32 | return 1; |
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| 33 | |
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| 34 | return 0; |
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| 35 | } |
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| 36 | |
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