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.
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.
11 // ignore-tidy-linelength
13 // Require LLVM with DW_TAG_variant_part and a gdb or lldb that can read it.
14 // min-system-llvm-version: 7.0
15 // min-gdb-version: 8.2
20 // === GDB TESTS ===================================================================================
24 // gdb-command:print *the_a_ref
25 // gdbr-check:$1 = borrowed_enum::ABC::TheA{x: 0, y: 8970181431921507452}
27 // gdb-command:print *the_b_ref
28 // gdbr-check:$2 = borrowed_enum::ABC::TheB(0, 286331153, 286331153)
30 // gdb-command:print *univariant_ref
31 // gdbr-check:$3 = borrowed_enum::Univariant::TheOnlyCase(4820353753753434)
34 // === LLDB TESTS ==================================================================================
38 // lldb-command:print *the_a_ref
39 // lldbr-check:(borrowed_enum::ABC::TheA) *the_a_ref = TheA { TheA: 0, TheB: 8970181431921507452 }
40 // lldb-command:print *the_b_ref
41 // lldbr-check:(borrowed_enum::ABC::TheB) *the_b_ref = { = 0 = 286331153 = 286331153 }
42 // lldb-command:print *univariant_ref
43 // lldbr-check:(borrowed_enum::Univariant) *univariant_ref = { TheOnlyCase = { = 4820353753753434 } }
45 #![allow(unused_variables)]
46 #![feature(omit_gdb_pretty_printer_section)]
47 #![omit_gdb_pretty_printer_section]
49 // The first element is to ensure proper alignment, irrespective of the machines word size. Since
50 // the size of the discriminant value is machine dependent, this has be taken into account when
51 // datatype layout should be predictable as in this case.
53 TheA { x: i64, y: i64 },
57 // This is a special case since it does not have the implicit discriminant field.
64 // 0b0111110001111100011111000111110001111100011111000111110001111100 = 8970181431921507452
65 // 0b01111100011111000111110001111100 = 2088533116
66 // 0b0111110001111100 = 31868
68 let the_a = ABC::TheA { x: 0, y: 8970181431921507452 };
69 let the_a_ref: &ABC = &the_a;
71 // 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441
72 // 0b00010001000100010001000100010001 = 286331153
73 // 0b0001000100010001 = 4369
75 let the_b = ABC::TheB (0, 286331153, 286331153);
76 let the_b_ref: &ABC = &the_b;
78 let univariant = Univariant::TheOnlyCase(4820353753753434);
79 let univariant_ref: &Univariant = &univariant;