1 | #define __SYSCALL_LL_E(x) \
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2 | ((union { long long ll; long l[2]; }){ .ll = x }).l[0], \
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3 | ((union { long long ll; long l[2]; }){ .ll = x }).l[1]
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4 | #define __SYSCALL_LL_O(x) 0, __SYSCALL_LL_E((x))
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5 |
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6 | #define __asm_syscall(...) do { \
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7 | __asm__ __volatile__ ( "push { lr }" ); \
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8 | __asm__ __volatile__ ( "svc 0" \
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9 | : "=r"(r0) : __VA_ARGS__ : "memory"); \
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10 | __asm__ __volatile__ ( "pop { lr }" ); \
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11 | return r0; \
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12 | } while (0)
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13 |
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14 | static inline long __syscall0(long n)
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15 | {
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16 | register long r7 __asm__("r7") = n;
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17 | register long r0 __asm__("r0");
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18 | __asm_syscall("r"(r7));
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19 | }
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20 |
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21 | static inline long __syscall1(long n, long a)
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22 | {
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23 | register long r7 __asm__("r7") = n;
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24 | register long r0 __asm__("r0") = a;
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25 | __asm_syscall("r"(r7), "0"(r0));
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26 | }
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27 |
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28 | static inline long __syscall2(long n, long a, long b)
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29 | {
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30 | register long r7 __asm__("r7") = n;
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31 | register long r0 __asm__("r0") = a;
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32 | register long r1 __asm__("r1") = b;
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33 | __asm_syscall("r"(r7), "0"(r0), "r"(r1));
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34 | }
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35 |
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36 | static inline long __syscall3(long n, long a, long b, long c)
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37 | {
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38 | register long r7 __asm__("r7") = n;
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39 | register long r0 __asm__("r0") = a;
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40 | register long r1 __asm__("r1") = b;
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41 | register long r2 __asm__("r2") = c;
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42 | __asm_syscall("r"(r7), "0"(r0), "r"(r1), "r"(r2));
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43 | }
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44 |
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45 | static inline long __syscall4(long n, long a, long b, long c, long d)
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46 | {
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47 | register long r7 __asm__("r7") = n;
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48 | register long r0 __asm__("r0") = a;
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49 | register long r1 __asm__("r1") = b;
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50 | register long r2 __asm__("r2") = c;
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51 | register long r3 __asm__("r3") = d;
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52 | __asm_syscall("r"(r7), "0"(r0), "r"(r1), "r"(r2), "r"(r3));
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53 | }
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54 |
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55 | static inline long __syscall5(long n, long a, long b, long c, long d, long e)
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56 | {
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57 | register long r7 __asm__("r7") = n;
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58 | register long r0 __asm__("r0") = a;
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59 | register long r1 __asm__("r1") = b;
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60 | register long r2 __asm__("r2") = c;
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61 | register long r3 __asm__("r3") = d;
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62 | register long r4 __asm__("r4") = e;
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63 | __asm_syscall("r"(r7), "0"(r0), "r"(r1), "r"(r2), "r"(r3), "r"(r4));
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64 | }
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65 |
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66 | static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
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67 | {
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68 | register long r7 __asm__("r7") = n;
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69 | register long r0 __asm__("r0") = a;
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70 | register long r1 __asm__("r1") = b;
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71 | register long r2 __asm__("r2") = c;
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72 | register long r3 __asm__("r3") = d;
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73 | register long r4 __asm__("r4") = e;
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74 | register long r5 __asm__("r5") = f;
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75 | __asm_syscall("r"(r7), "0"(r0), "r"(r1), "r"(r2), "r"(r3), "r"(r4), "r"(r5));
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76 | }
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77 |
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78 | #define VDSO_USEFUL
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79 | #define VDSO_CGT_SYM "__vdso_clock_gettime"
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80 | #define VDSO_CGT_VER "LINUX_2.6"
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81 |
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82 | #define SYSCALL_FADVISE_6_ARG
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