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michaelwoeristermichaelwoerister
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debuginfo: Added test cases for packed structs (/w drop)
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‎src/test/debug-info/packed-struct-with-destructor.rs

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// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// xfail-win32 Broken because of LLVM bug: http://llvm.org/bugs/show_bug.cgi?id=16249
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// compile-flags:-Z extra-debug-info
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// debugger:set print pretty off
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// debugger:break zzz
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// debugger:run
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// debugger:finish
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// debugger:print packed
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// check:$1 = {x = 123, y = 234, z = 345}
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// debugger:print packedInPacked
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// check:$2 = {a = 1111, b = {x = 2222, y = 3333, z = 4444}, c = 5555, d = {x = 6666, y = 7777, z = 8888}}
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// debugger:print packedInUnpacked
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// check:$3 = {a = -1111, b = {x = -2222, y = -3333, z = -4444}, c = -5555, d = {x = -6666, y = -7777, z = -8888}}
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// debugger:print unpackedInPacked
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// check:$4 = {a = 987, b = {x = 876, y = 765, z = 654}, c = {x = 543, y = 432, z = 321}, d = 210}
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// debugger:print packedInPackedWithDrop
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// check:$5 = {a = 11, b = {x = 22, y = 33, z = 44}, c = 55, d = {x = 66, y = 77, z = 88}}
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// debugger:print packedInUnpackedWithDrop
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// check:$6 = {a = -11, b = {x = -22, y = -33, z = -44}, c = -55, d = {x = -66, y = -77, z = -88}}
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// debugger:print unpackedInPackedWithDrop
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// check:$7 = {a = 98, b = {x = 87, y = 76, z = 65}, c = {x = 54, y = 43, z = 32}, d = 21}
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// debugger:print deeplyNested
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// check:$8 = {a = {a = 1, b = {x = 2, y = 3, z = 4}, c = 5, d = {x = 6, y = 7, z = 8}}, b = {a = 9, b = {x = 10, y = 11, z = 12}, c = {x = 13, y = 14, z = 15}, d = 16}, c = {a = 17, b = {x = 18, y = 19, z = 20}, c = 21, d = {x = 22, y = 23, z = 24}}, d = {a = 25, b = {x = 26, y = 27, z = 28}, c = 29, d = {x = 30, y = 31, z = 32}}, e = {a = 33, b = {x = 34, y = 35, z = 36}, c = {x = 37, y = 38, z = 39}, d = 40}, f = {a = 41, b = {x = 42, y = 43, z = 44}, c = 45, d = {x = 46, y = 47, z = 48}}}
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#[packed]
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struct Packed {
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x: i16,
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y: i32,
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z: i64
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}
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impl Drop for Packed {
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fn drop(&self) {}
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}
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#[packed]
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struct PackedInPacked {
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a: i32,
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b: Packed,
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c: i64,
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d: Packed
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}
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struct PackedInUnpacked {
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a: i32,
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b: Packed,
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c: i64,
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d: Packed
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}
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struct Unpacked {
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x: i64,
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y: i32,
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z: i16
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}
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impl Drop for Unpacked {
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fn drop(&self) {}
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}
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#[packed]
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struct UnpackedInPacked {
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a: i16,
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b: Unpacked,
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c: Unpacked,
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d: i64
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}
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#[packed]
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struct PackedInPackedWithDrop {
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a: i32,
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b: Packed,
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c: i64,
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d: Packed
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}
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impl Drop for PackedInPackedWithDrop {
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fn drop(&self) {}
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}
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struct PackedInUnpackedWithDrop {
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a: i32,
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b: Packed,
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c: i64,
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d: Packed
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}
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impl Drop for PackedInUnpackedWithDrop {
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fn drop(&self) {}
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}
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#[packed]
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struct UnpackedInPackedWithDrop {
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a: i16,
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b: Unpacked,
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c: Unpacked,
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d: i64
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}
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impl Drop for UnpackedInPackedWithDrop {
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fn drop(&self) {}
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}
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struct DeeplyNested {
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a: PackedInPacked,
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b: UnpackedInPackedWithDrop,
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c: PackedInUnpacked,
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d: PackedInUnpackedWithDrop,
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e: UnpackedInPacked,
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f: PackedInPackedWithDrop
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}
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fn main() {
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let packed = Packed { x: 123, y: 234, z: 345 };
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let packedInPacked = PackedInPacked {
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a: 1111,
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b: Packed { x: 2222, y: 3333, z: 4444 },
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c: 5555,
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d: Packed { x: 6666, y: 7777, z: 8888 }
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};
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let packedInUnpacked = PackedInUnpacked {
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a: -1111,
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b: Packed { x: -2222, y: -3333, z: -4444 },
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c: -5555,
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d: Packed { x: -6666, y: -7777, z: -8888 }
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};
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let unpackedInPacked = UnpackedInPacked {
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a: 987,
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b: Unpacked { x: 876, y: 765, z: 654 },
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c: Unpacked { x: 543, y: 432, z: 321 },
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d: 210
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};
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let packedInPackedWithDrop = PackedInPackedWithDrop {
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a: 11,
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b: Packed { x: 22, y: 33, z: 44 },
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c: 55,
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d: Packed { x: 66, y: 77, z: 88 }
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};
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let packedInUnpackedWithDrop = PackedInUnpackedWithDrop {
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a: -11,
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b: Packed { x: -22, y: -33, z: -44 },
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c: -55,
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d: Packed { x: -66, y: -77, z: -88 }
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};
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let unpackedInPackedWithDrop = UnpackedInPackedWithDrop {
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a: 98,
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b: Unpacked { x: 87, y: 76, z: 65 },
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c: Unpacked { x: 54, y: 43, z: 32 },
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d: 21
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};
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let deeplyNested = DeeplyNested {
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a: PackedInPacked {
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a: 1,
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b: Packed { x: 2, y: 3, z: 4 },
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c: 5,
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d: Packed { x: 6, y: 7, z: 8 }
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},
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b: UnpackedInPackedWithDrop {
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a: 9,
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b: Unpacked { x: 10, y: 11, z: 12 },
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c: Unpacked { x: 13, y: 14, z: 15 },
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d: 16
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},
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c: PackedInUnpacked {
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a: 17,
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b: Packed { x: 18, y: 19, z: 20 },
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c: 21,
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d: Packed { x: 22, y: 23, z: 24 }
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},
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d: PackedInUnpackedWithDrop {
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a: 25,
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b: Packed { x: 26, y: 27, z: 28 },
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c: 29,
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d: Packed { x: 30, y: 31, z: 32 }
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},
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e: UnpackedInPacked {
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a: 33,
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b: Unpacked { x: 34, y: 35, z: 36 },
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c: Unpacked { x: 37, y: 38, z: 39 },
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d: 40
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},
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f: PackedInPackedWithDrop {
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a: 41,
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b: Packed { x: 42, y: 43, z: 44 },
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c: 45,
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d: Packed { x: 46, y: 47, z: 48 }
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}
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};
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zzz();
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}
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fn zzz() {()}

‎src/test/debug-info/packed-struct.rs

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// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// xfail-win32 Broken because of LLVM bug: http://llvm.org/bugs/show_bug.cgi?id=16249
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// compile-flags:-Z extra-debug-info
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// debugger:set print pretty off
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// debugger:break zzz
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// debugger:run
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// debugger:finish
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// debugger:print packed
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// check:$1 = {x = 123, y = 234, z = 345}
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// debugger:print packedInPacked
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// check:$2 = {a = 1111, b = {x = 2222, y = 3333, z = 4444}, c = 5555, d = {x = 6666, y = 7777, z = 8888}}
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// debugger:print packedInUnpacked
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// check:$3 = {a = -1111, b = {x = -2222, y = -3333, z = -4444}, c = -5555, d = {x = -6666, y = -7777, z = -8888}}
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// debugger:print unpackedInPacked
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// check:$4 = {a = 987, b = {x = 876, y = 765, z = 654, w = 543}, c = {x = 432, y = 321, z = 210, w = 109}, d = -98}
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// debugger:print sizeof(packed)
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// check:$5 = 14
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// debugger:print sizeof(packedInPacked)
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// check:$6 = 40
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// debugger:print sizeof(packedInUnpacked)
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// check:$7 = 48
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// debugger:print sizeof(unpackedInPacked)
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// check:$8 = 58
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#[packed]
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struct Packed {
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x: i16,
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y: i32,
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z: i64
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}
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#[packed]
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struct PackedInPacked {
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a: i32,
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b: Packed,
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c: i64,
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d: Packed
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}
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// layout: aaaa bbbb bbbb bbbb bb.. .... cccc cccc dddd dddd dddd dd..
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struct PackedInUnpacked {
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a: i32,
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b: Packed,
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c: i64,
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d: Packed
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}
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// layout: xx.. yyyy zz.. .... wwww wwww
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struct Unpacked {
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x: i16,
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y: i32,
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z: i16,
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w: i64
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}
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// layout: aabb bbbb bbbb bbbb bbbb bbbb bbcc cccc cccc cccc cccc cccc ccdd dddd dd
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#[packed]
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struct UnpackedInPacked {
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a: i16,
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b: Unpacked,
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c: Unpacked,
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d: i64
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}
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fn main() {
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let packed = Packed { x: 123, y: 234, z: 345 };
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let packedInPacked = PackedInPacked {
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a: 1111,
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b: Packed { x: 2222, y: 3333, z: 4444 },
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c: 5555,
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d: Packed { x: 6666, y: 7777, z: 8888 }
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};
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let packedInUnpacked = PackedInUnpacked {
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a: -1111,
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b: Packed { x: -2222, y: -3333, z: -4444 },
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c: -5555,
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d: Packed { x: -6666, y: -7777, z: -8888 }
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};
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let unpackedInPacked = UnpackedInPacked {
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a: 987,
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b: Unpacked { x: 876, y: 765, z: 654, w: 543 },
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c: Unpacked { x: 432, y: 321, z: 210, w: 109 },
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d: -98
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};
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zzz();
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}
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fn zzz() {()}

‎src/test/debug-info/struct-with-destructor.rs

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// debugger:print withDestructor
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// check:$3 = {a = {x = 10, y = 20}, guard = -1}
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// debugger:print nested
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// check:$4 = {a = {a = {x = 7890, y = 9870}}}
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// debugger:print sizeof(nested)
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// check:$5 = 32
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struct NoDestructor {
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x : i32,
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y : i64
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guard: i64
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}
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struct NestedInner {
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a: WithDestructor
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}
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impl Drop for NestedInner {
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fn drop(&self) {}
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}
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struct NestedOuter {
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a: NestedInner
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}
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// The compiler adds a 'destructed' boolean field to structs implementing Drop. This field is used
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// at runtime to prevent drop() to be executed more than once (see middle::trans::adt).
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guard: -1
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};
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// expected layout = xxxx....yyyyyyyyD.......D...
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// <--WithDestructor------>
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// <-------NestedInner-------->
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// <-------NestedOuter-------->
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let nested = NestedOuter { a: NestedInner { a: WithDestructor { x: 7890, y: 9870 } } };
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zzz();
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}
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