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ae2f8d9216
Disabling loading of pretty printers in the debugger itself is more reliable. Before this commit the .gdb_debug_scripts section couldn't be included in dylibs or rlibs as otherwise there is no way to disable the section anymore without recompiling the entire standard library.
85 lines
2.8 KiB
Rust
85 lines
2.8 KiB
Rust
//@ compile-flags:-g
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//@ disable-gdb-pretty-printers
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// === GDB TESTS ===================================================================================
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// gdb-command:set print union on
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// gdb-command:run
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// gdb-command:print case1
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// gdb-check:$1 = generic_tuple_style_enum::Regular<u16, u32, u64>::Case1(0, 31868, 31868, 31868, 31868)
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// gdb-command:print case2
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// gdb-check:$2 = generic_tuple_style_enum::Regular<i16, i32, i64>::Case2(0, 286331153, 286331153)
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// gdb-command:print case3
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// gdb-check:$3 = generic_tuple_style_enum::Regular<i16, i32, i64>::Case3(0, 6438275382588823897)
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// gdb-command:print univariant
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// gdb-check:$4 = generic_tuple_style_enum::Univariant<i64>::TheOnlyCase(-1)
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// === LLDB TESTS ==================================================================================
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// lldb-command:run
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// lldb-command:v case1
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// lldb-command:v case2
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// lldb-command:v case3
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// lldb-command:v univariant
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use self::Regular::{Case1, Case2, Case3};
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use self::Univariant::TheOnlyCase;
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// NOTE: This is a copy of the non-generic test case. The `Txx` type parameters have to be
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// substituted with something of size `xx` bits and the same alignment as an integer type of the
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// same size.
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// The first element is to ensure proper alignment, irrespective of the machines word size. Since
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// the size of the discriminant value is machine dependent, this has be taken into account when
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// datatype layout should be predictable as in this case.
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enum Regular<T16, T32, T64> {
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Case1(T64, T16, T16, T16, T16),
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Case2(T64, T32, T32),
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Case3(T64, T64)
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}
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enum Univariant<T64> {
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TheOnlyCase(T64)
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}
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fn main() {
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// In order to avoid endianness trouble all of the following test values consist of a single
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// repeated byte. This way each interpretation of the union should look the same, no matter if
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// this is a big or little endian machine.
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// 0b0111110001111100011111000111110001111100011111000111110001111100 = 8970181431921507452
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// 0b01111100011111000111110001111100 = 2088533116
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// 0b0111110001111100 = 31868
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// 0b01111100 = 124
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let case1: Regular<u16, u32, u64> = Case1(0_u64, 31868_u16, 31868_u16, 31868_u16, 31868_u16);
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// 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441
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// 0b00010001000100010001000100010001 = 286331153
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// 0b0001000100010001 = 4369
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// 0b00010001 = 17
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let case2: Regular<i16, i32, i64> = Case2(0_i64, 286331153_i32, 286331153_i32);
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// 0b0101100101011001010110010101100101011001010110010101100101011001 = 6438275382588823897
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// 0b01011001010110010101100101011001 = 1499027801
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// 0b0101100101011001 = 22873
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// 0b01011001 = 89
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let case3: Regular<i16, i32, i64> = Case3(0_i64, 6438275382588823897_i64);
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let univariant = TheOnlyCase(-1_i64);
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zzz(); // #break
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}
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fn zzz() { () }
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