1 pub use core::ffi::c_void; 2 3 pub type size_t = usize; 4 pub type ssize_t = isize; 5 6 pub type off_t = i64; 7 8 cfg_if! { 9 if #[cfg(any(target_arch = "aarch64", target_arch = "arm"))] { 10 pub type c_char = u8; 11 } else if #[cfg(target_arch = "x86_64")] { 12 pub type c_char = i8; 13 } 14 } 15 16 pub type c_schar = i8; 17 pub type c_uchar = u8; 18 pub type c_short = i16; 19 pub type c_ushort = u16; 20 pub type c_int = i32; 21 pub type c_uint = u32; 22 23 cfg_if! { 24 if #[cfg(target_pointer_width = "32")] { 25 pub type c_long = i32; 26 pub type c_ulong = u32; 27 } else if #[cfg(target_pointer_width = "64")] { 28 pub type c_long = i64; 29 pub type c_ulong = u64; 30 } 31 } 32 33 pub type c_longlong = i64; 34 pub type c_ulonglong = u64; 35 36 pub type c_uint8_t = u8; 37 pub type c_uint16_t = u16; 38 pub type c_uint32_t = u32; 39 pub type c_uint64_t = u64; 40 41 pub type c_int8_t = i8; 42 pub type c_int16_t = i16; 43 pub type c_int32_t = i32; 44 pub type c_int64_t = i64; 45 46 pub type c_float = f32; 47 pub type c_double = f64; 48 49 pub type time_t = c_long; 50 51 pub type clockid_t = c_int; 52 53 s! { 54 pub struct iovec { 55 pub iov_base: *mut ::c_void, 56 pub iov_len: ::size_t, 57 } 58 59 pub struct timespec { 60 pub tv_sec: time_t, 61 pub tv_nsec: c_long, 62 } 63 } 64 65 pub const PROT_READ: i32 = 1; 66 pub const PROT_WRITE: i32 = 2; 67 68 // Trusty only supports `CLOCK_BOOTTIME`. 69 pub const CLOCK_BOOTTIME: clockid_t = 7; 70 71 pub const STDOUT_FILENO: ::c_int = 1; 72 pub const STDERR_FILENO: ::c_int = 2; 73 74 pub const AT_PAGESZ: ::c_ulong = 6; 75 76 pub const MAP_FAILED: *mut ::c_void = !0 as *mut ::c_void; 77 78 extern "C" { 79 pub fn calloc(nobj: size_t, size: size_t) -> *mut c_void; 80 pub fn malloc(size: size_t) -> *mut c_void; 81 pub fn realloc(p: *mut c_void, size: size_t) -> *mut c_void; 82 pub fn free(p: *mut c_void); 83 pub fn memalign(align: ::size_t, size: ::size_t) -> *mut ::c_void; 84 pub fn posix_memalign(memptr: *mut *mut ::c_void, align: ::size_t, size: ::size_t) -> ::c_int; 85 pub fn write(fd: ::c_int, buf: *const ::c_void, count: ::size_t) -> ::ssize_t; 86 pub fn writev(fd: ::c_int, iov: *const ::iovec, iovcnt: ::c_int) -> ::ssize_t; 87 pub fn close(fd: ::c_int) -> ::c_int; 88 pub fn strlen(cs: *const c_char) -> size_t; 89 pub fn getauxval(type_: c_ulong) -> c_ulong; 90 pub fn mmap( 91 addr: *mut ::c_void, 92 len: ::size_t, 93 prot: ::c_int, 94 flags: ::c_int, 95 fd: ::c_int, 96 offset: off_t, 97 ) -> *mut ::c_void; 98 pub fn munmap(addr: *mut ::c_void, len: ::size_t) -> ::c_int; 99 pub fn clock_gettime(clk_id: ::clockid_t, tp: *mut ::timespec) -> ::c_int; 100 pub fn nanosleep(rqtp: *const ::timespec, rmtp: *mut ::timespec) -> ::c_int; 101 } 102