239ec7d2dc
This to-be-stable attribute is equivalent to `#[lang = "oom"]`. It is required when using the alloc crate without the std crate. It is called by `handle_alloc_error`, which is in turned called by "infallible" allocations APIs such as `Vec::push`.
33 lines
990 B
Rust
33 lines
990 B
Rust
// Copyright 2015 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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// compile-flags: -C panic=abort
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// no-prefer-dynamic
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#![no_std]
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#![crate_type = "staticlib"]
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#![feature(panic_implementation, alloc_error_handler, alloc)]
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#[panic_implementation]
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fn panic(_: &core::panic::PanicInfo) -> ! {
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loop {}
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}
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extern crate alloc;
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#[global_allocator]
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static A: MyAlloc = MyAlloc;
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struct MyAlloc;
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unsafe impl core::alloc::GlobalAlloc for MyAlloc {
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unsafe fn alloc(&self, _: core::alloc::Layout) -> *mut u8 { 0 as _ }
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unsafe fn dealloc(&self, _: *mut u8, _: core::alloc::Layout) {}
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}
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