testsuite: coverage: allow access to gcov internals

This allows external applications wishing to report coverage data over different interfaces the ability to do so by exposing the gcov list. Signed-off-by: Joshua Lilly <[email protected]>
zephyrproject-rtos · Nov 29, 2023 · b3cba84 · b3cba84
1 parent b35cd5f
commit b3cba84
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Showing 3 changed files with 16 additions and 2 deletions.
diff --git a/subsys/testsuite/CMakeLists.txt b/subsys/testsuite/CMakeLists.txt
@@ -6,5 +6,6 @@ if(CONFIG_TEST)
   zephyr_include_directories(${ZEPHYR_BASE}/subsys/testsuite/include)
 endif()
 add_subdirectory_ifdef(CONFIG_COVERAGE_GCOV coverage)
+zephyr_include_directories_ifdef(CONFIG_COVERAGE_GCOV ${zephyr_BASE}/subsys/testsuite/coverage)
 
 zephyr_library_sources_ifdef(CONFIG_TEST_BUSY_SIM busy_sim/busy_sim.c)
diff --git a/subsys/testsuite/coverage/coverage.c b/subsys/testsuite/coverage/coverage.c
@@ -84,7 +84,7 @@ static inline void write_u32(void *buffer, size_t *off, uint32_t v)
 	*off = *off + sizeof(uint32_t);
 }
 
-size_t calculate_buff_size(struct gcov_info *info)
+size_t gcov_calculate_buff_size(struct gcov_info *info)
 {
 	uint32_t iter;
 	uint32_t iter_1;
@@ -266,7 +266,7 @@ void gcov_coverage_dump(void)
 	while (gcov_list) {
 
 		dump_on_console_start(gcov_list->filename);
-		size = calculate_buff_size(gcov_list);
+		size = gcov_calculate_buff_size(gcov_list);
 
 		buffer = k_heap_alloc(&gcov_heap, size, K_NO_WAIT);
 		if (CONFIG_COVERAGE_GCOV_HEAP_SIZE > 0 && !buffer) {
@@ -294,6 +294,11 @@ void gcov_coverage_dump(void)
 	return;
 }
 
+struct gcov_info *gcov_get_list_head(void)
+{
+	/* Locking someway before getting this is recommended. */
+	return gcov_info_head;
+}
 
 /* Initialize the gcov by calling the required constructors */
 void gcov_static_init(void)

diff --git a/subsys/testsuite/coverage/coverage.h b/subsys/testsuite/coverage/coverage.h
@@ -117,4 +117,12 @@ struct gcov_info {
 
 };
 
+/*
+ * These functions are in the header for easy access for external interface
+ * reporting since they aren't useful without the structs in this header.
+ */
+struct gcov_info *gcov_get_list_head(void);
+size_t gcov_populate_buffer(uint8_t *buffer, struct gcov_info *info);
+size_t gcov_calculate_buff_size(struct gcov_info *info);
+
 #endif /* _COVERAGE_H_ */