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) __SYSCALL_LL_E((x))
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5 | #define __SYSCALL_LL_PRW(x) 0, __SYSCALL_LL_E((x))
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6 |
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7 | #if 0
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8 | #define __asm_syscall(...) do { \
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9 | __asm__ __volatile__ ( \
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10 | "int #08\n" \
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11 | : "=r"(r0) : __VA_ARGS__ : "memory"); \
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12 | return r0; \
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13 | } while (0)
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14 |
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15 | static inline long __syscall0(long n)
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16 | {
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17 | register long r3 __asm__("r3") = n;
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18 | register long r0 __asm__("r0");
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19 | __asm_syscall("r"(r3));
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20 | }
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21 |
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22 | static inline long __syscall1(long n, long a)
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23 | {
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24 | register long r3 __asm__("r3") = n;
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25 | register long r4 __asm__("r4") = a;
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26 | register long r0 __asm__("r0");
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27 | __asm_syscall("r"(r3), "r"(r4));
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28 | }
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29 |
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30 | static inline long __syscall2(long n, long a, long b)
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31 | {
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32 | register long r3 __asm__("r3") = n;
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33 | register long r4 __asm__("r4") = a;
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34 | register long r5 __asm__("r5") = b;
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35 | register long r0 __asm__("r0");
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36 | __asm_syscall("r"(r3), "r"(r4), "r"(r5));
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37 | }
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38 |
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39 | static inline long __syscall3(long n, long a, long b, long c)
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40 | {
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41 | register long r3 __asm__("r3") = n;
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42 | register long r4 __asm__("r4") = a;
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43 | register long r5 __asm__("r5") = b;
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44 | register long r6 __asm__("r6") = c;
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45 | register long r0 __asm__("r0");
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46 | __asm_syscall("r"(r3), "r"(r4), "r"(r5), "r"(r6));
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47 | }
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48 |
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49 | static inline long __syscall4(long n, long a, long b, long c, long d)
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50 | {
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51 | register long r3 __asm__("r3") = n;
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52 | register long r4 __asm__("r4") = a;
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53 | register long r5 __asm__("r5") = b;
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54 | register long r6 __asm__("r6") = c;
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55 | register long r7 __asm__("r7") = d;
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56 | register long r0 __asm__("r0");
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57 | __asm_syscall("r"(r3), "r"(r4), "r"(r5), "r"(r6), "r"(r7));
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58 | }
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59 |
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60 | static inline long __syscall5(long n, long a, long b, long c, long d, long e)
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61 | {
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62 | register long r3 __asm__("r3") = n;
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63 | register long r4 __asm__("r4") = a;
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64 | register long r5 __asm__("r5") = b;
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65 | register long r6 __asm__("r6") = c;
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66 | register long r7 __asm__("r7") = d;
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67 | register long r0 __asm__("r0") = e;
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68 | __asm_syscall("r"(r3), "r"(r4), "r"(r5), "r"(r6), "r"(r7), "0"(r0));
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69 | }
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70 |
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71 | static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
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72 | {
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73 | register long r3 __asm__("r3") = n;
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74 | register long r4 __asm__("r4") = a;
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75 | register long r5 __asm__("r5") = b;
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76 | register long r6 __asm__("r6") = c;
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77 | register long r7 __asm__("r7") = d;
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78 | register long r0 __asm__("r0") = e;
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79 | register long r1 __asm__("r1") = f;
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80 | __asm_syscall("r"(r3), "r"(r4), "r"(r5), "r"(r6), "r"(r7), "0"(r0), "r"(r1));
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81 | }
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82 | #else
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83 | #define __scc(X) ((long) (X))
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84 | typedef long syscall_arg_t;
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85 |
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86 | __attribute__((visibility("hidden")))
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87 | long __syscall(syscall_arg_t, ...);
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88 |
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89 | static inline long __syscall0(long n)
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90 | {
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91 | return __syscall(n);
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92 | }
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93 |
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94 | static inline long __syscall1(long n, long a)
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95 | {
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96 | return __syscall(n, a);
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97 | }
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98 |
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99 | static inline long __syscall2(long n, long a, long b)
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100 | {
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101 | return __syscall(n, a, b);
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102 | }
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103 |
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104 | static inline long __syscall3(long n, long a, long b, long c)
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105 | {
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106 | return __syscall(n, a, b, c);
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107 | }
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108 |
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109 | static inline long __syscall4(long n, long a, long b, long c, long d)
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110 | {
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111 | return __syscall(n, a, b, c, d);
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112 | }
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113 |
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114 | static inline long __syscall5(long n, long a, long b, long c, long d, long e)
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115 | {
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116 | return __syscall(n, a, b, c, d, e);
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117 | }
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118 |
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119 | static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
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120 | {
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121 | return __syscall(n, a, b, c, d, e, f);
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122 | }
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123 | #endif
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