[PATCH v2 06/40] tests/tcg/minilib: Constify digits in print_num

Alex Bennée posted 40 patches 2 months, 1 week ago
Maintainers: "Alex Bennée" <alex.bennee@linaro.org>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Thomas Huth <thuth@redhat.com>, Wainer dos Santos Moschetta <wainersm@redhat.com>, Beraldo Leal <bleal@redhat.com>, Laurent Vivier <laurent@vivier.eu>, Paolo Bonzini <pbonzini@redhat.com>, Alexandre Iooss <erdnaxe@crans.org>, Mahmoud Mandour <ma.mandourr@gmail.com>, Pierrick Bouvier <pierrick.bouvier@linaro.org>, Eduardo Habkost <eduardo@habkost.net>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Yanan Wang <wangyanan55@huawei.com>, Paul Burton <paulburton@kernel.org>, Aleksandar Rikalo <arikalo@gmail.com>, Peter Xu <peterx@redhat.com>, David Hildenbrand <david@redhat.com>, Peter Maydell <peter.maydell@linaro.org>, Stefan Hajnoczi <stefanha@redhat.com>, Mads Ynddal <mads@ynddal.dk>
[PATCH v2 06/40] tests/tcg/minilib: Constify digits in print_num
Posted by Alex Bennée 2 months, 1 week ago
From: Richard Henderson <richard.henderson@linaro.org>

This avoids a memcpy to the stack when compiled with clang.
Since we don't enable optimization, nor provide memcpy,
this results in an undefined symbol error at link time.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20240630190050.160642-2-richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
---
 tests/tcg/minilib/printf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/tcg/minilib/printf.c b/tests/tcg/minilib/printf.c
index 10472b4f58..fb0189c2bb 100644
--- a/tests/tcg/minilib/printf.c
+++ b/tests/tcg/minilib/printf.c
@@ -27,7 +27,7 @@ static void print_str(char *s)
 
 static void print_num(unsigned long long value, int base)
 {
-    char digits[] = "0123456789abcdef";
+    static const char digits[] = "0123456789abcdef";
     char buf[32];
     int i = sizeof(buf) - 2, j;
 
-- 
2.39.2