[398] | 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_ret(unsigned long), __syscall_nr(long nr, ...);
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| 88 |
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| 89 | #define __syscall0(n) n()
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| 90 | #define __syscall1(n,a) n(__scc(a))
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| 91 | #define __syscall2(n,a,b) n(__scc(a),__scc(b))
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| 92 | #define __syscall3(n,a,b,c) n(__scc(a),__scc(b),__scc(c))
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| 93 | #define __syscall4(n,a,b,c,d) n(__scc(a),__scc(b),__scc(c),__scc(d))
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| 94 | #define __syscall5(n,a,b,c,d,e) n(__scc(a),__scc(b),__scc(c),__scc(d),__scc(e))
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| 95 | #define __syscall6(n,a,b,c,d,e,f) n(__scc(a),__scc(b),__scc(c),__scc(d),__scc(e),__scc(f))
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| 96 | #define __syscall7(n,a,b,c,d,e,f,g) n(__scc(a),__scc(b),__scc(c),__scc(d),__scc(e),__scc(f),__scc(g))
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| 97 |
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| 98 | #define __syscall_cp0(n) n()
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| 99 | #define __syscall_cp1(n,a) n(__scc(a))
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| 100 | #define __syscall_cp2(n,a,b) n(__scc(a),__scc(b))
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| 101 | #define __syscall_cp3(n,a,b,c) n(__scc(a),__scc(b),__scc(c))
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| 102 | #define __syscall_cp4(n,a,b,c,d) n(__scc(a),__scc(b),__scc(c),__scc(d))
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| 103 | #define __syscall_cp5(n,a,b,c,d,e) n(__scc(a),__scc(b),__scc(c),__scc(d),__scc(e))
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| 104 | #define __syscall_cp6(n,a,b,c,d,e,f) n(__scc(a),__scc(b),__scc(c),__scc(d),__scc(e),__scc(f))
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| 105 | #define __syscall_cp7(n,a,b,c,d,e,f,g) n(__scc(a),__scc(b),__scc(c),__scc(d),__scc(e),__scc(f),__scc(g))
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| 106 |
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| 107 | #define __SYSCALL_NARGS_X(a,b,c,d,e,f,g,h,n,...) n
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| 108 | #define __SYSCALL_NARGS(...) __SYSCALL_NARGS_X(__VA_ARGS__,7,6,5,4,3,2,1,0,)
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| 109 | #define __SYSCALL_CONCAT_X(a,b) a##b
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| 110 | #define __SYSCALL_CONCAT(a,b) __SYSCALL_CONCAT_X(a,b)
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| 111 | #define __SYSCALL_DISP(b,...) __SYSCALL_CONCAT(b,__SYSCALL_NARGS(__VA_ARGS__))(__VA_ARGS__)
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| 112 |
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| 113 | #define syscall(...) __syscall_ret(__SYSCALL_DISP(__syscall, __VA_ARGS__))
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| 114 | #define syscall_cp(...) __syscall_ret(__SYSCALL_DISP(__syscall_cp, __VA_ARGS__))
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| 115 | #endif
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