message: Fix inline breakpoints on macOS.
diff: @@ -265,9 +265,7 @@ extern "C" fn signal_trap_handler(
  let ip = fault.ip.get();
  let end = v.base + v.msm.total_size;
  if ip >= v.base && ip < end && ip + magic_size <= end {
  - if let Some(ib) = read_inline_breakpoint(ARCH, v.backend, unsafe {
  - std::slice::from_raw_parts(ip as *const u8, magic_size)
  - }) {
  + if let Some(ib) = read_inline_breakpoint(ARCH, v.backend, std::slice::from_raw_parts(ip as *const u8, magic_size)) {
  fault.ip.set(ip + magic_size);
  match ib.ty {
  @@ -557,7 +555,7 @@ pub unsafe fn get_fault_info(siginfo: *const c_void, ucontext: *mut c_void) -> F
  }
  #[cfg(all(target_os = "macos", target_arch = "x86_64"))]
  -pub unsafe fn get_fault_info(siginfo: *const c_void, ucontext: *const c_void) -> FaultInfo {
  +pub unsafe fn get_fault_info(siginfo: *const c_void, ucontext: *mut c_void) -> FaultInfo {
  #[allow(dead_code)]
  #[repr(C)]
  struct ucontext_t {
  @@ -566,7 +564,7 @@ pub unsafe fn get_fault_info(siginfo: *const c_void, ucontext: *const c_void) ->
  uc_stack: libc::stack_t,
  uc_link: *const ucontext_t,
  uc_mcsize: u64,
  - uc_mcontext: *const mcontext_t,
  + uc_mcontext: *mut mcontext_t,
  }
  #[repr(C)]
  struct exception_state {
  @@ -615,8 +613,8 @@ pub unsafe fn get_fault_info(siginfo: *const c_void, ucontext: *const c_void) ->
  let siginfo = siginfo as *const siginfo_t;
  let si_addr = (*siginfo).si_addr;
  - let ucontext = ucontext as *const ucontext_t;
  - let ss = &(*(*ucontext).uc_mcontext).ss;
  + let ucontext = ucontext as *mut ucontext_t;
  + let ss = &mut (*(*ucontext).uc_mcontext).ss;
  let fs = &(*(*ucontext).uc_mcontext).fs;
  let mut known_registers: [Option<u64>; 24] = [None; 24];
  @@ -650,7 +648,7 @@ pub unsafe fn get_fault_info(siginfo: *const c_void, ucontext: *const c_void) ->
  FaultInfo {
  faulting_addr: si_addr,
  - ip: ss.rip as _,
  + ip: std::mem::transmute::<&mut u64, &'static Cell<usize>>(&mut ss.rip),
  known_registers,
  }
  }
  