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17 lines
495 B
C
17 lines
495 B
C
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#ifndef VEXTERN
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#include <asm/vsyscall.h>
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#define VEXTERN(x) \
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extern typeof(x) *vdso_ ## x __attribute__((visibility("hidden")));
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#endif
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#define VMAGIC 0xfeedbabeabcdefabUL
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/* Any kernel variables used in the vDSO must be exported in the main
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kernel's vmlinux.lds.S/vsyscall.h/proper __section and
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put into vextern.h and be referenced as a pointer with vdso prefix.
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The main kernel later fills in the values. */
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VEXTERN(jiffies)
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VEXTERN(vgetcpu_mode)
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VEXTERN(vsyscall_gtod_data)
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