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arm: add vdso support 

vdso will be available on arm in linux v4.2, the user-space code
for it is in kernel commit 8512287a8165592466cb9cb347ba94892e9c56a5
This commit is contained in:
Szabolcs Nagy 2015-06-03 10:32:14 +01:00 committed by Rich Felker
parent e3bc22f1ef
commit ee59c296d5
1 changed files with 4 additions and 0 deletions
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4
arch/arm/syscall_arch.h
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@ -72,3 +72,7 @@ static inline long __syscall6(long n, long a, long b, long c, long d, long e, lo
register long r5 __asm__("r5") = f; register long r5 __asm__("r5") = f;
__asm_syscall("r"(r7), "0"(r0), "r"(r1), "r"(r2), "r"(r3), "r"(r4), "r"(r5)); __asm_syscall("r"(r7), "0"(r0), "r"(r1), "r"(r2), "r"(r3), "r"(r4), "r"(r5));
} }
#define VDSO_USEFUL
#define VDSO_CGT_SYM "__vdso_clock_gettime"
#define VDSO_CGT_VER "LINUX_2.6"