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@@ -0,0 +1,187 @@
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+/* Unlike the asm/unistd.h kernel header file (which this is partly based on),
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+ * this file must be able to cope with PIC and non-PIC code. For some arches
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+ * there is no difference. For x86 (which has far too few registers) there is
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+ * a difference. Regardless, including asm/unistd.h is hereby officially
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+ * forbidden. Don't do it. It is bad for you. */
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+
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+
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+#define _syscall_return(type) \
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+ return (_sc_err ? errno = _sc_ret, _sc_ret = -1L : 0), (type) _sc_ret
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+
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+#define _syscall_clobbers \
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+ "$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", \
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+ "$22", "$23", "$24", "$25", "$27", "$28" \
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+
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+#define _syscall0(type, name) \
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+type name(void) \
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+{ \
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+ long _sc_ret, _sc_err; \
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+ { \
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+ register long _sc_0 __asm__("$0"); \
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+ register long _sc_19 __asm__("$19"); \
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+ \
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+ _sc_0 = __NR_##name; \
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+ __asm__("callsys # %0 %1 %2" \
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+ : "=r"(_sc_0), "=r"(_sc_19) \
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+ : "0"(_sc_0) \
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+ : _syscall_clobbers); \
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+ _sc_ret = _sc_0, _sc_err = _sc_19; \
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+ } \
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+ _syscall_return(type); \
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+}
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+
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+#define _syscall1(type,name,type1,arg1) \
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+type name(type1 arg1) \
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+{ \
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+ long _sc_ret, _sc_err; \
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+ { \
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+ register long _sc_0 __asm__("$0"); \
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+ register long _sc_16 __asm__("$16"); \
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+ register long _sc_19 __asm__("$19"); \
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+ \
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+ _sc_0 = __NR_##name; \
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+ _sc_16 = (long) (arg1); \
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+ __asm__("callsys # %0 %1 %2 %3" \
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+ : "=r"(_sc_0), "=r"(_sc_19) \
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+ : "0"(_sc_0), "r"(_sc_16) \
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+ : _syscall_clobbers); \
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+ _sc_ret = _sc_0, _sc_err = _sc_19; \
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+ } \
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+ _syscall_return(type); \
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+}
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+
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+#define _syscall2(type,name,type1,arg1,type2,arg2) \
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+type name(type1 arg1,type2 arg2) \
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+{ \
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+ long _sc_ret, _sc_err; \
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+ { \
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+ register long _sc_0 __asm__("$0"); \
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+ register long _sc_16 __asm__("$16"); \
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+ register long _sc_17 __asm__("$17"); \
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+ register long _sc_19 __asm__("$19"); \
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+ \
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+ _sc_0 = __NR_##name; \
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+ _sc_16 = (long) (arg1); \
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+ _sc_17 = (long) (arg2); \
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+ __asm__("callsys # %0 %1 %2 %3 %4" \
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+ : "=r"(_sc_0), "=r"(_sc_19) \
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+ : "0"(_sc_0), "r"(_sc_16), "r"(_sc_17) \
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+ : _syscall_clobbers); \
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+ _sc_ret = _sc_0, _sc_err = _sc_19; \
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+ } \
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+ _syscall_return(type); \
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+}
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+
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+#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
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+type name(type1 arg1,type2 arg2,type3 arg3) \
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+{ \
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+ long _sc_ret, _sc_err; \
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+ { \
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+ register long _sc_0 __asm__("$0"); \
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+ register long _sc_16 __asm__("$16"); \
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+ register long _sc_17 __asm__("$17"); \
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+ register long _sc_18 __asm__("$18"); \
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+ register long _sc_19 __asm__("$19"); \
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+ \
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+ _sc_0 = __NR_##name; \
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+ _sc_16 = (long) (arg1); \
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+ _sc_17 = (long) (arg2); \
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+ _sc_18 = (long) (arg3); \
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+ __asm__("callsys # %0 %1 %2 %3 %4 %5" \
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+ : "=r"(_sc_0), "=r"(_sc_19) \
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+ : "0"(_sc_0), "r"(_sc_16), "r"(_sc_17), \
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+ "r"(_sc_18) \
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+ : _syscall_clobbers); \
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+ _sc_ret = _sc_0, _sc_err = _sc_19; \
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+ } \
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+ _syscall_return(type); \
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+}
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+
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+#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
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+type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
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+{ \
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+ long _sc_ret, _sc_err; \
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+ { \
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+ register long _sc_0 __asm__("$0"); \
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+ register long _sc_16 __asm__("$16"); \
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+ register long _sc_17 __asm__("$17"); \
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+ register long _sc_18 __asm__("$18"); \
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+ register long _sc_19 __asm__("$19"); \
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+ \
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+ _sc_0 = __NR_##name; \
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+ _sc_16 = (long) (arg1); \
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+ _sc_17 = (long) (arg2); \
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+ _sc_18 = (long) (arg3); \
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+ _sc_19 = (long) (arg4); \
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+ __asm__("callsys # %0 %1 %2 %3 %4 %5 %6" \
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+ : "=r"(_sc_0), "=r"(_sc_19) \
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+ : "0"(_sc_0), "r"(_sc_16), "r"(_sc_17), \
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+ "r"(_sc_18), "1"(_sc_19) \
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+ : _syscall_clobbers); \
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+ _sc_ret = _sc_0, _sc_err = _sc_19; \
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+ } \
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+ _syscall_return(type); \
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+}
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+
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+#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
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+ type5,arg5) \
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+type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
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+{ \
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+ long _sc_ret, _sc_err; \
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+ { \
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+ register long _sc_0 __asm__("$0"); \
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+ register long _sc_16 __asm__("$16"); \
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+ register long _sc_17 __asm__("$17"); \
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+ register long _sc_18 __asm__("$18"); \
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+ register long _sc_19 __asm__("$19"); \
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+ register long _sc_20 __asm__("$20"); \
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+ \
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+ _sc_0 = __NR_##name; \
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+ _sc_16 = (long) (arg1); \
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+ _sc_17 = (long) (arg2); \
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+ _sc_18 = (long) (arg3); \
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+ _sc_19 = (long) (arg4); \
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+ _sc_20 = (long) (arg5); \
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+ __asm__("callsys # %0 %1 %2 %3 %4 %5 %6 %7" \
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+ : "=r"(_sc_0), "=r"(_sc_19) \
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+ : "0"(_sc_0), "r"(_sc_16), "r"(_sc_17), \
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+ "r"(_sc_18), "1"(_sc_19), "r"(_sc_20) \
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+ : _syscall_clobbers); \
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+ _sc_ret = _sc_0, _sc_err = _sc_19; \
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+ } \
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+ _syscall_return(type); \
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+}
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+
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+#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
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+ type5,arg5,type6,arg6) \
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+type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, type6 arg6)\
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+{ \
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+ long _sc_ret, _sc_err; \
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+ { \
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+ register long _sc_0 __asm__("$0"); \
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+ register long _sc_16 __asm__("$16"); \
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+ register long _sc_17 __asm__("$17"); \
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+ register long _sc_18 __asm__("$18"); \
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+ register long _sc_19 __asm__("$19"); \
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+ register long _sc_20 __asm__("$20"); \
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+ register long _sc_21 __asm__("$21"); \
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+ \
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+ _sc_0 = __NR_##name; \
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+ _sc_16 = (long) (arg1); \
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+ _sc_17 = (long) (arg2); \
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+ _sc_18 = (long) (arg3); \
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+ _sc_19 = (long) (arg4); \
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+ _sc_20 = (long) (arg5); \
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+ _sc_21 = (long) (arg6); \
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+ __asm__("callsys # %0 %1 %2 %3 %4 %5 %6 %7 %8" \
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+ : "=r"(_sc_0), "=r"(_sc_19) \
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+ : "0"(_sc_0), "r"(_sc_16), "r"(_sc_17), \
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+ "r"(_sc_18), "1"(_sc_19), "r"(_sc_20), "r"(_sc_21) \
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+ : _syscall_clobbers); \
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+ _sc_ret = _sc_0, _sc_err = _sc_19; \
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+ } \
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+ _syscall_return(type); \
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+}
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+
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+
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+
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