mirror of
https://github.com/rust-lang/rust.git
synced 2025-09-27 12:48:20 +00:00
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.
66 lines
2.6 KiB
Rust
66 lines
2.6 KiB
Rust
//@ compile-flags:-g
|
|
//@ disable-gdb-pretty-printers
|
|
//@ ignore-gdb-version: 13.1 - 99.0
|
|
// ^ https://sourceware.org/bugzilla/show_bug.cgi?id=30330
|
|
|
|
// === GDB TESTS ===================================================================================
|
|
|
|
// gdb-command:run
|
|
|
|
// gdb-command:print a
|
|
// gdb-check:$1 = &unsized::Foo<[u8]> {data_ptr: [...], length: 4}
|
|
|
|
// gdb-command:print b
|
|
// gdb-check:$2 = &unsized::Foo<unsized::Foo<[u8]>> {data_ptr: [...], length: 4}
|
|
|
|
// gdb-command:print c
|
|
// gdb-check:$3 = &unsized::Foo<dyn core::fmt::Debug> {pointer: [...], vtable: [...]}
|
|
|
|
// gdb-command:print _box
|
|
// gdb-check:$4 = alloc::boxed::Box<unsized::Foo<dyn core::fmt::Debug>, alloc::alloc::Global> {pointer: [...], vtable: [...]}
|
|
|
|
// === CDB TESTS ===================================================================================
|
|
|
|
// cdb-command: g
|
|
// cdb-command:dx a
|
|
// cdb-check:a [Type: ref$<unsized::Foo<slice2$<u8> > >]
|
|
// cdb-check: [+0x000] data_ptr : 0x[...] [Type: unsized::Foo<slice2$<u8> > *]
|
|
// cdb-check: [...] length : 0x4 [Type: unsigned [...]int[...]
|
|
|
|
// cdb-command:dx b
|
|
// cdb-check:b [Type: ref$<unsized::Foo<unsized::Foo<slice2$<u8> > > >]
|
|
// cdb-check: [+0x000] data_ptr : 0x[...] [Type: unsized::Foo<unsized::Foo<slice2$<u8> > > *]
|
|
// cdb-check: [...] length : 0x4 [Type: unsigned [...]int[...]
|
|
|
|
// cdb-command:dx c
|
|
// cdb-check:c [Type: ref$<unsized::Foo<dyn$<core::fmt::Debug> > >]
|
|
// cdb-check: [+0x000] pointer : 0x[...] [Type: unsized::Foo<dyn$<core::fmt::Debug> > *]
|
|
// cdb-check: [...] vtable : 0x[...] [Type: unsigned [...]int[...] (*)[4]]
|
|
|
|
// cdb-command:dx _box
|
|
// cdb-check:_box [Type: alloc::boxed::Box<unsized::Foo<dyn$<core::fmt::Debug> >,alloc::alloc::Global>]
|
|
// cdb-check:[+0x000] pointer : 0x[...] [Type: unsized::Foo<dyn$<core::fmt::Debug> > *]
|
|
// cdb-check:[...] vtable : 0x[...] [Type: unsigned [...]int[...] (*)[4]]
|
|
|
|
struct Foo<T: ?Sized> {
|
|
value: T,
|
|
}
|
|
|
|
fn main() {
|
|
let foo: Foo<Foo<[u8; 4]>> = Foo { value: Foo { value: *b"abc\0" } };
|
|
|
|
// We expect `a`, `b`, and `c` to all be fat pointers.
|
|
// `a` and `b` should be slice-like and thus have a `data_ptr` and `length` field.
|
|
// `c` should be trait-object-like and thus have a `pointer` and `vtable` field.
|
|
let a: &Foo<[u8]> = &foo.value;
|
|
let b: &Foo<Foo<[u8]>> = &foo;
|
|
let c: &Foo<dyn std::fmt::Debug> = &Foo { value: 7i32 };
|
|
let _box: Box<Foo<dyn std::fmt::Debug>> = Box::new(Foo { value: 8i32 });
|
|
|
|
zzz(); // #break
|
|
}
|
|
|
|
fn zzz() {
|
|
()
|
|
}
|