--- libev/ev_linuxaio.c	2019/07/01 20:47:38	1.42
+++ libev/ev_linuxaio.c	2019/07/01 21:47:42	1.43
@@ -118,57 +118,6 @@
   struct io_event io_events[0];
 };
 
-/*
- * define some syscall wrappers for common architectures
- * this is mostly for nice looks during debugging, not performance.
- * our syscalls return < 0, not == -1, on error. which is good
- * enough for linux aio.
- * TODO: arm is also common nowadays, maybe even mips and x86
- * TODO: after implementing this, it suddenly looks like overkill, but its hard to remove...
- */
-#if __GNUC__ && __linux && ECB_AMD64 && !defined __OPTIMIZE_SIZE__
-  /* the costly errno access probably kills this for size optimisation */
-
-  #define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5)                 \
-    ({                                                                 \
-        long res;                                                      \
-        register unsigned long r5 __asm__ ("r8" );                     \
-        register unsigned long r4 __asm__ ("r10");                     \
-        register unsigned long r3 __asm__ ("rdx");                     \
-        register unsigned long r2 __asm__ ("rsi");                     \
-        register unsigned long r1 __asm__ ("rdi");                     \
-        if (narg >= 5) r5 = (unsigned long)(arg5);                     \
-        if (narg >= 4) r4 = (unsigned long)(arg4);                     \
-        if (narg >= 3) r3 = (unsigned long)(arg3);                     \
-        if (narg >= 2) r2 = (unsigned long)(arg2);                     \
-        if (narg >= 1) r1 = (unsigned long)(arg1);                     \
-        __asm__ __volatile__ (                                         \
-          "syscall\n\t"                                                \
-          : "=a" (res)                                                 \
-          : "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \
-          : "cc", "r11", "cx", "memory");                              \
-        errno = -res;                                                  \
-        res;                                                           \
-    })
-
-#endif
-
-#ifdef ev_syscall
-  #define ev_syscall0(nr)                          ev_syscall (nr, 0,    0,    0,    0,    0,    0
-  #define ev_syscall1(nr,arg1)                     ev_syscall (nr, 1, arg1,    0,    0,    0,    0)
-  #define ev_syscall2(nr,arg1,arg2)                ev_syscall (nr, 2, arg1, arg2,    0,    0,    0)
-  #define ev_syscall3(nr,arg1,arg2,arg3)           ev_syscall (nr, 3, arg1, arg2, arg3,    0,    0)
-  #define ev_syscall4(nr,arg1,arg2,arg3,arg4)      ev_syscall (nr, 3, arg1, arg2, arg3, arg4,    0)
-  #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5)
-#else
-  #define ev_syscall0(nr)                          syscall (nr)
-  #define ev_syscall1(nr,arg1)                     syscall (nr, arg1)
-  #define ev_syscall2(nr,arg1,arg2)                syscall (nr, arg1, arg2)
-  #define ev_syscall3(nr,arg1,arg2,arg3)           syscall (nr, arg1, arg2, arg3)
-  #define ev_syscall4(nr,arg1,arg2,arg3,arg4)      syscall (nr, arg1, arg2, arg3, arg4)
-  #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5)
-#endif
-
 inline_size
 int
 evsys_io_setup (unsigned nr_events, aio_context_t *ctx_idp)