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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/tools/testing/selftests/vDSO/parse_vdso.c
..
..
@@ -21,29 +21,7 @@
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 #include <limits.h>
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 #include <elf.h>
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-/*
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- * To use this vDSO parser, first call one of the vdso_init_* functions.
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- * If you've already parsed auxv, then pass the value of AT_SYSINFO_EHDR
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- * to vdso_init_from_sysinfo_ehdr.  Otherwise pass auxv to vdso_init_from_auxv.
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- * Then call vdso_sym for each symbol you want.  For example, to look up
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- * gettimeofday on x86_64, use:
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- *
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- *     <some pointer> = vdso_sym("LINUX_2.6", "gettimeofday");
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- * or
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- *     <some pointer> = vdso_sym("LINUX_2.6", "__vdso_gettimeofday");
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- *
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- * vdso_sym will return 0 if the symbol doesn't exist or if the init function
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- * failed or was not called.  vdso_sym is a little slow, so its return value
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- * should be cached.
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- *
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- * vdso_sym is threadsafe; the init functions are not.
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- *
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- * These are the prototypes:
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- */
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-extern void vdso_init_from_auxv(void *auxv);
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-extern void vdso_init_from_sysinfo_ehdr(uintptr_t base);
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-extern void *vdso_sym(const char *version, const char *name);
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-
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+#include "parse_vdso.h"
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 /* And here's the code. */
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 #ifndef ELF_BITS