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4f9c15185d
There are currently four symbols here, so drop the word 'two'. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
26 lines
1.0 KiB
C
26 lines
1.0 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2013 Albert ARIBAUD <albert.u.boot@aribaud.net>
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*/
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#include <linux/compiler.h>
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/**
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* These symbols are declared in a C file so that the linker
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* uses R_ARM_RELATIVE relocation, rather than the R_ARM_ABS32 one
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* it would use if the symbols were defined in the linker file.
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* Using only R_ARM_RELATIVE relocation ensures that references to
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* the symbols are correct after as well as before relocation.
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*
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* We need a 0-byte-size type for these symbols, and the compiler
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* does not allow defining objects of C type 'void'. Using an empty
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* struct is allowed by the compiler, but causes gcc versions 4.4 and
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* below to complain about aliasing. Therefore we use the next best
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* thing: zero-sized arrays, which are both 0-byte-size and exempt from
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* aliasing warnings.
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*/
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char __secure_start[0] __section(".__secure_start");
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char __secure_end[0] __section(".__secure_end");
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char __secure_stack_start[0] __section(".__secure_stack_start");
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char __secure_stack_end[0] __section(".__secure_stack_end");
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