-
Notifications
You must be signed in to change notification settings - Fork 6.5k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
llext: add a test for inter-extension linking
This test uses two LLEXT objects: one of them exports a symbol and the other one calls the exported function. Signed-off-by: Guennadi Liakhovetski <[email protected]>
- Loading branch information
Showing
4 changed files
with
88 additions
and
1 deletion.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,15 @@ | ||
/* | ||
* Copyright (c) 2024 Intel Corporation. | ||
* | ||
* SPDX-License-Identifier: Apache-2.0 | ||
*/ | ||
|
||
/* Test exporting symbols, imported by other LLEXTs */ | ||
|
||
#include <zephyr/llext/symbol.h> | ||
|
||
long test_dependency(int a, int b) | ||
{ | ||
return (long)a * b; | ||
} | ||
EXPORT_SYMBOL(test_dependency); |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,24 @@ | ||
/* | ||
* Copyright (c) 2024 Intel Corporation. | ||
* | ||
* SPDX-License-Identifier: Apache-2.0 | ||
*/ | ||
|
||
/* Test importing symbols, exported by other LLEXTs */ | ||
|
||
#include <zephyr/ztest.h> | ||
#include <zephyr/llext/symbol.h> | ||
#include <zephyr/sys/util.h> | ||
|
||
extern long test_dependency(int a, int b); | ||
|
||
void test_entry(void) | ||
{ | ||
unsigned long half_ptr_bits = sizeof(uintptr_t) * 8 / 2; | ||
unsigned long mask = BIT(half_ptr_bits) - 1; | ||
int a = mask & (uintptr_t)test_entry; | ||
int b = mask & ((uintptr_t)test_entry >> half_ptr_bits); | ||
|
||
zassert_equal(test_dependency(a, b), (long)a * b); | ||
} | ||
EXPORT_SYMBOL(test_entry); |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters