Use a size smaller than the smallest supported page size so that we don't clobber over any guard pages, which may result in a segfault before __stack_chk_fail can be called. Also, move __stack_chk_fail outside of our namespace.
21 lines
825 B
C++
21 lines
825 B
C++
//===-- Internal header for __stack_chk_fail --------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIBC_SRC_COMPILER___STACK_CHK_FAIL_H
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#define LLVM_LIBC_SRC_COMPILER___STACK_CHK_FAIL_H
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// The compiler will emit calls implicitly to a non-namespaced version.
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// TODO: can we additionally provide a namespaced alias so that tests can
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// explicitly call the namespaced variant rather than the non-namespaced
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// definition?
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extern "C" {
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[[noreturn]] void __stack_chk_fail();
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} // extern "C"
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#endif // LLVM_LIBC_SRC_COMPILER___STACK_CHK_FAIL_H
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