src/test/debuginfo/packed-struct.rs

   1 // Copyright 2013-2014 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 // ignore-tidy-linelength
  12 // min-lldb-version: 310
  13 // ignore-gdb-version: 7.11.90 - 7.12
  14
  15 // compile-flags:-g
  16
  17 // === GDB TESTS ===================================================================================
  18
  19 // gdb-command:run
  20
  21 // gdb-command:print packed
  22 // gdbg-check:$1 = {x = 123, y = 234, z = 345}
  23 // gdbr-check:$1 = packed_struct::Packed {x: 123, y: 234, z: 345}
  24
  25 // gdb-command:print packedInPacked
  26 // gdbg-check:$2 = {a = 1111, b = {x = 2222, y = 3333, z = 4444}, c = 5555, d = {x = 6666, y = 7777, z = 8888}}
  27 // gdbr-check:$2 = packed_struct::PackedInPacked {a: 1111, b: packed_struct::Packed {x: 2222, y: 3333, z: 4444}, c: 5555, d: packed_struct::Packed {x: 6666, y: 7777, z: 8888}}
  28
  29 // gdb-command:print packedInUnpacked
  30 // gdbg-check:$3 = {a = -1111, b = {x = -2222, y = -3333, z = -4444}, c = -5555, d = {x = -6666, y = -7777, z = -8888}}
  31 // gdbr-check:$3 = packed_struct::PackedInUnpacked {a: -1111, b: packed_struct::Packed {x: -2222, y: -3333, z: -4444}, c: -5555, d: packed_struct::Packed {x: -6666, y: -7777, z: -8888}}
  32
  33 // gdb-command:print unpackedInPacked
  34 // gdbg-check:$4 = {a = 987, b = {x = 876, y = 765, z = 654, w = 543}, c = {x = 432, y = 321, z = 210, w = 109}, d = -98}
  35 // gdbr-check:$4 = packed_struct::UnpackedInPacked {a: 987, b: packed_struct::Unpacked {x: 876, y: 765, z: 654, w: 543}, c: packed_struct::Unpacked {x: 432, y: 321, z: 210, w: 109}, d: -98}
  36
  37 // gdb-command:print sizeof(packed)
  38 // gdb-check:$5 = 14
  39
  40 // gdb-command:print sizeof(packedInPacked)
  41 // gdb-check:$6 = 40
  42
  43
  44 // === LLDB TESTS ==================================================================================
  45
  46 // lldb-command:run
  47
  48 // lldb-command:print packed
  49 // lldb-check:[...]$0 = Packed { x: 123, y: 234, z: 345 }
  50
  51 // lldb-command:print packedInPacked
  52 // lldb-check:[...]$1 = PackedInPacked { a: 1111, b: Packed { x: 2222, y: 3333, z: 4444 }, c: 5555, d: Packed { x: 6666, y: 7777, z: 8888 } }
  53
  54 // lldb-command:print packedInUnpacked
  55 // lldb-check:[...]$2 = PackedInUnpacked { a: -1111, b: Packed { x: -2222, y: -3333, z: -4444 }, c: -5555, d: Packed { x: -6666, y: -7777, z: -8888 } }
  56
  57 // lldb-command:print unpackedInPacked
  58 // lldb-check:[...]$3 = UnpackedInPacked { a: 987, b: Unpacked { x: 876, y: 765, z: 654, w: 543 }, c: Unpacked { x: 432, y: 321, z: 210, w: 109 }, d: -98 }
  59
  60 // lldb-command:print sizeof(packed)
  61 // lldb-check:[...]$4 = 14
  62
  63 // lldb-command:print sizeof(packedInPacked)
  64 // lldb-check:[...]$5 = 40
  65
  66 #![allow(unused_variables)]
  67 #![feature(omit_gdb_pretty_printer_section)]
  68 #![omit_gdb_pretty_printer_section]
  69
  70 #[repr(packed)]
  71 struct Packed {
  72     x: i16,
  73     y: i32,
  74     z: i64
  75 }
  76
  77 #[repr(packed)]
  78 struct PackedInPacked {
  79     a: i32,
  80     b: Packed,
  81     c: i64,
  82     d: Packed
  83 }
  84
  85 // layout (64 bit): aaaa bbbb bbbb bbbb bb.. .... cccc cccc dddd dddd dddd dd..
  86 struct PackedInUnpacked {
  87     a: i32,
  88     b: Packed,
  89     c: i64,
  90     d: Packed
  91 }
  92
  93 // layout (64 bit): xx.. yyyy zz.. .... wwww wwww
  94 struct Unpacked {
  95     x: i16,
  96     y: i32,
  97     z: i16,
  98     w: i64
  99 }
 100
 101 // layout (64 bit): aabb bbbb bbbb bbbb bbbb bbbb bbcc cccc cccc cccc cccc cccc ccdd dddd dd
 102 #[repr(packed)]
 103 struct UnpackedInPacked {
 104     a: i16,
 105     b: Unpacked,
 106     c: Unpacked,
 107     d: i64
 108 }
 109
 110 fn main() {
 111     let packed = Packed { x: 123, y: 234, z: 345 };
 112
 113     let packedInPacked = PackedInPacked {
 114         a: 1111,
 115         b: Packed { x: 2222, y: 3333, z: 4444 },
 116         c: 5555,
 117         d: Packed { x: 6666, y: 7777, z: 8888 }
 118     };
 119
 120     let packedInUnpacked = PackedInUnpacked {
 121         a: -1111,
 122         b: Packed { x: -2222, y: -3333, z: -4444 },
 123         c: -5555,
 124         d: Packed { x: -6666, y: -7777, z: -8888 }
 125     };
 126
 127     let unpackedInPacked = UnpackedInPacked {
 128         a: 987,
 129         b: Unpacked { x: 876, y: 765, z: 654, w: 543 },
 130         c: Unpacked { x: 432, y: 321, z: 210, w: 109 },
 131         d: -98
 132     };
 133
 134     zzz(); // #break
 135 }
 136
 137 fn zzz() {()}