message: Add x86 _start
diff: use core::arch::global_asm;
  +#[cfg(target_arch = "aarch64")]
  +global_asm!("
  + .globl _start
  +_start:
  + mov x0, sp
  + bl relibc_start
  +");
  +
  +#[cfg(target_arch = "x86")]
  +global_asm!("
  + .globl _start
  + .type _start, @function
  +_start:
  + sub esp, 8
  +
  + mov DWORD PTR [esp], 0x00001F80
  + # ldmxcsr [esp]
  + mov WORD PTR [esp], 0x031F
  + fldcw [esp]
  +
  + add esp, 8
  +
  + push esp
  + call relibc_start
  + .size _start, . - _start
  +");
  +
  #[cfg(target_arch = "x86_64")]
  global_asm!("
  .globl _start
  @@ -25,13 +52,6 @@ _start:
  call relibc_start
  .size _start, . - _start
  ");
  -#[cfg(target_arch = "aarch64")]
  -global_asm!("
  - .globl _start
  -_start:
  - mov x0, sp
  - bl relibc_start
  -");
  #[linkage = "weak"]
  #[no_mangle]
  