From: Marc-André Lureau <marcandre.lur...@redhat.com> In all likelihood, the compiler with lto doesn't see the function being used, from assembly macro __try1. Help it by marking the function has being used.
Fixes: https://gitlab.com/qemu-project/qemu/-/issues/1904 Fixes: commit d89f30b4df ("win32: wrap socket close() with an exception handler") Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com> --- include/qemu/compiler.h | 6 ++++++ util/oslib-win32.c | 2 +- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/include/qemu/compiler.h b/include/qemu/compiler.h index a309f90c76..5c7f63f351 100644 --- a/include/qemu/compiler.h +++ b/include/qemu/compiler.h @@ -197,4 +197,10 @@ #define BUILTIN_SUBCLL_BROKEN #endif +#if __has_attribute(used) +# define QEMU_USED __attribute__((used)) +#else +# define QEMU_USED +#endif + #endif /* COMPILER_H */ diff --git a/util/oslib-win32.c b/util/oslib-win32.c index 19a0ea7fbe..55b0189dc3 100644 --- a/util/oslib-win32.c +++ b/util/oslib-win32.c @@ -479,7 +479,7 @@ int qemu_bind_wrap(int sockfd, const struct sockaddr *addr, return ret; } -EXCEPTION_DISPOSITION +QEMU_USED EXCEPTION_DISPOSITION win32_close_exception_handler(struct _EXCEPTION_RECORD *exception_record, void *registration, struct _CONTEXT *context, void *dispatcher) -- 2.41.0
