!729 禁止导出符号被编译器优化掉

Merge pull request !729 from xuxinyu/master
2022-06-23 11:17:05 +00:00 · 2022-06-23 11:17:05 +00:00 · 8cfadb9b4d
parent 2c5b750a46 3df936f1a1
commit 8cfadb9b4d
1 changed files with 1 additions and 1 deletions
--- a/components/dynlink/los_dynlink.h
+++ b/components/dynlink/los_dynlink.h
@ -134,7 +134,7 @@ typedef struct {
 } SymInfo;
 #define SYM_EXPORT(func)                                            \
-const SymInfo sym_##func __attribute__((section(".sym."#func))) = { \
+const SymInfo sym_##func __attribute__((__used__, section(".sym."#func))) = { \
    .name = #func,                                                  \
    .addr = (UINTPTR)func                                           \
 };