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https://github.com/xen-project/xen.git
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210 lines
11 KiB
C
210 lines
11 KiB
C
#define __NR_io_setup 398
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#define __NR_io_destroy 399
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#define __NR_io_getevents 400
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#define __NR_io_submit 401
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#define __NR_io_cancel 402
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#define inline_syscall_r0_asm
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#define inline_syscall_r0_out_constraint "=v"
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#define inline_syscall_clobbers \
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"$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", \
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"$22", "$23", "$24", "$25", "$27", "$28", "memory"
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#define inline_syscall0(name, args...) \
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{ \
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register long _sc_0 inline_syscall_r0_asm; \
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register long _sc_19 __asm__("$19"); \
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\
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_sc_0 = name; \
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__asm__ __volatile__ \
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("callsys # %0 %1 <= %2" \
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: inline_syscall_r0_out_constraint (_sc_0), \
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"=r"(_sc_19) \
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: "0"(_sc_0) \
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: inline_syscall_clobbers, \
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"$16", "$17", "$18", "$20", "$21"); \
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_sc_ret = _sc_0, _sc_err = _sc_19; \
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}
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#define inline_syscall1(name,arg1) \
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{ \
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register long _sc_0 inline_syscall_r0_asm; \
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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 = name; \
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_sc_16 = (long) (arg1); \
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__asm__ __volatile__ \
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("callsys # %0 %1 <= %2 %3" \
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: inline_syscall_r0_out_constraint (_sc_0), \
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"=r"(_sc_19), "=r"(_sc_16) \
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: "0"(_sc_0), "2"(_sc_16) \
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: inline_syscall_clobbers, \
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"$17", "$18", "$20", "$21"); \
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_sc_ret = _sc_0, _sc_err = _sc_19; \
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}
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#define inline_syscall2(name,arg1,arg2) \
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{ \
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register long _sc_0 inline_syscall_r0_asm; \
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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 = name; \
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_sc_16 = (long) (arg1); \
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_sc_17 = (long) (arg2); \
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__asm__ __volatile__ \
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("callsys # %0 %1 <= %2 %3 %4" \
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: inline_syscall_r0_out_constraint (_sc_0), \
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"=r"(_sc_19), "=r"(_sc_16), "=r"(_sc_17) \
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: "0"(_sc_0), "2"(_sc_16), "3"(_sc_17) \
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: inline_syscall_clobbers, \
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"$18", "$20", "$21"); \
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_sc_ret = _sc_0, _sc_err = _sc_19; \
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}
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#define inline_syscall3(name,arg1,arg2,arg3) \
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{ \
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register long _sc_0 inline_syscall_r0_asm; \
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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 = 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__ __volatile__ \
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("callsys # %0 %1 <= %2 %3 %4 %5" \
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: inline_syscall_r0_out_constraint (_sc_0), \
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"=r"(_sc_19), "=r"(_sc_16), "=r"(_sc_17), \
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"=r"(_sc_18) \
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: "0"(_sc_0), "2"(_sc_16), "3"(_sc_17), \
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"4"(_sc_18) \
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: inline_syscall_clobbers, "$20", "$21"); \
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_sc_ret = _sc_0, _sc_err = _sc_19; \
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}
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#define inline_syscall4(name,arg1,arg2,arg3,arg4) \
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{ \
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register long _sc_0 inline_syscall_r0_asm; \
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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 = 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__ __volatile__ \
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("callsys # %0 %1 <= %2 %3 %4 %5 %6" \
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: inline_syscall_r0_out_constraint (_sc_0), \
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"=r"(_sc_19), "=r"(_sc_16), "=r"(_sc_17), \
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"=r"(_sc_18) \
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: "0"(_sc_0), "2"(_sc_16), "3"(_sc_17), \
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"4"(_sc_18), "1"(_sc_19) \
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: inline_syscall_clobbers, "$20", "$21"); \
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_sc_ret = _sc_0, _sc_err = _sc_19; \
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}
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#define inline_syscall5(name,arg1,arg2,arg3,arg4,arg5) \
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{ \
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register long _sc_0 inline_syscall_r0_asm; \
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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 = 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__ __volatile__ \
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("callsys # %0 %1 <= %2 %3 %4 %5 %6 %7" \
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: inline_syscall_r0_out_constraint (_sc_0), \
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"=r"(_sc_19), "=r"(_sc_16), "=r"(_sc_17), \
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"=r"(_sc_18), "=r"(_sc_20) \
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: "0"(_sc_0), "2"(_sc_16), "3"(_sc_17), \
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"4"(_sc_18), "1"(_sc_19), "5"(_sc_20) \
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: inline_syscall_clobbers, "$21"); \
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_sc_ret = _sc_0, _sc_err = _sc_19; \
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}
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#define inline_syscall6(name,arg1,arg2,arg3,arg4,arg5,arg6) \
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{ \
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register long _sc_0 inline_syscall_r0_asm; \
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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 = 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__ __volatile__ \
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("callsys # %0 %1 <= %2 %3 %4 %5 %6 %7 %8" \
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: inline_syscall_r0_out_constraint (_sc_0), \
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"=r"(_sc_19), "=r"(_sc_16), "=r"(_sc_17), \
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"=r"(_sc_18), "=r"(_sc_20), "=r"(_sc_21) \
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: "0"(_sc_0), "2"(_sc_16), "3"(_sc_17), "4"(_sc_18), \
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"1"(_sc_19), "5"(_sc_20), "6"(_sc_21) \
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: inline_syscall_clobbers); \
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_sc_ret = _sc_0, _sc_err = _sc_19; \
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}
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#define INLINE_SYSCALL1(name, nr, args...) \
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({ \
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long _sc_ret, _sc_err; \
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inline_syscall##nr(__NR_##name, args); \
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if (_sc_err != 0) \
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{ \
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_sc_ret = -(_sc_ret); \
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} \
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_sc_ret; \
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})
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#define io_syscall1(type,fname,sname,type1,arg1) \
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type fname(type1 arg1) \
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{ \
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return (type)INLINE_SYSCALL1(sname, 1, arg1); \
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}
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#define io_syscall2(type,fname,sname,type1,arg1,type2,arg2) \
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type fname(type1 arg1,type2 arg2) \
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{ \
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return (type)INLINE_SYSCALL1(sname, 2, arg1, arg2); \
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}
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#define io_syscall3(type,fname,sname,type1,arg1,type2,arg2,type3,arg3) \
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type fname(type1 arg1,type2 arg2,type3 arg3) \
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{ \
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return (type)INLINE_SYSCALL1(sname, 3, arg1, arg2, arg3); \
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}
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#define io_syscall4(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
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type fname (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
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{ \
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return (type)INLINE_SYSCALL1(sname, 4, arg1, arg2, arg3, arg4); \
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}
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#define io_syscall5(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
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type5,arg5) \
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type fname (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
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{ \
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return (type)INLINE_SYSCALL1(sname, 5, arg1, arg2, arg3, arg4, arg5);\
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}
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