src/internal/mips64/syscall.s

   1 .set    noreorder
   2 .global __syscall
   3 .hidden __syscall
   4 .type   __syscall,@function
   5 __syscall:
   6         move    $2, $4
   7         move    $4, $5
   8         move    $5, $6
   9         move    $6, $7
  10         move    $7, $8
  11         move    $8, $9
  12         move    $9, $10
  13         move    $10, $11
  14         syscall
  15         beq     $7, $0, 1f
  16         nop
  17         dsubu   $2, $0, $2
  18 1:      jr      $ra
  19         nop