misc/mremap.s

   1 .text
   2  .globl __mremap
   3  .type __mremap,@function
   4  .align 1<<4
   5  __mremap:
   6
   7  movq %rcx, %r10
   8  movl $25, %eax
   9  syscall
  10  cmpq $-4095, %rax
  11  jae 0f
  12  ret
  13 0: movq __libc_errno@GOTTPOFF(%rip), %rcx
  14  neg %eax
  15  movl %eax, %fs:(%rcx)
  16  or $-1, %rax
  17  ret
  18  .size __mremap,.-__mremap
  19 .weak mremap
  20  mremap = __mremap