19ccec6a03
Replace LL_EXTENSION_SYMBOL() with EXPORT_SYMBOL() in all tests and samples. Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
28 lines
722 B
C
28 lines
722 B
C
/*
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* Copyright (c) 2023 Intel Corporation.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/*
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* This very simple hello world C code can be used as a test case for building
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* probably the simplest loadable extension. It requires a single symbol be
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* linked, section relocation support, and the ability to export and call out to
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* a function.
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*/
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#include <zephyr/llext/symbol.h>
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#include <zephyr/sys/printk.h>
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void hello_world(void)
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{
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#if defined(CONFIG_HELLO_WORLD_MODE)
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/* HELLO_WORLD_MODE=y: CONFIG_* is defined */
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printk("Hello, world, from the main binary!\n");
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#else
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/* HELLO_WORLD_MODE=m: CONFIG_*_MODULE is defined instead */
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printk("Hello, world, from an llext!\n");
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#endif
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}
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EXPORT_SYMBOL(hello_world);
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