test: Align internal buffer for custom malloc()

Some test code implements malloc() and free() using a static buffer. I found test failures on RISC-V due to unaligned pointers from malloc(). Let's align the buffer at least 8. Signed-off-by: Namhyung Kim <[email protected]>
namhyung · Dec 14, 2023 · ced96bb · ced96bb
1 parent 314274b
commit ced96bb
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Showing 4 changed files with 4 additions and 4 deletions.
diff --git a/tests/s-malloc-fork.c b/tests/s-malloc-fork.c
@@ -12,7 +12,7 @@ void (*real_free)(void *ptr);
 
 #define MALLOC_BUFSIZE (128 * 1024 * 1024)
 /* this is needed for optimized binaries */
-static char buf[MALLOC_BUFSIZE];
+static char buf[MALLOC_BUFSIZE] __attribute__((aligned(8)));
 
 void *malloc(size_t sz)
 {

diff --git a/tests/s-malloc-hook.c b/tests/s-malloc-hook.c
@@ -10,7 +10,7 @@ void (*real_free)(void *ptr);
 
 #define MALLOC_BUFSIZE (128 * 1024 * 1024)
 /* this is needed for optimized binaries */
-static char buf[MALLOC_BUFSIZE];
+static char buf[MALLOC_BUFSIZE] __attribute__((aligned(8)));
 
 void *malloc(size_t sz)
 {

diff --git a/tests/s-malloc-tsd.c b/tests/s-malloc-tsd.c
@@ -14,7 +14,7 @@ void (*real_free)(void *ptr);
 
 #define MALLOC_BUFSIZE (128 * 1024 * 1024)
 /* this is needed for optimized binaries */
-static char buf[MALLOC_BUFSIZE];
+static char buf[MALLOC_BUFSIZE] __attribute__((aligned(8)));
 
 void *malloc(size_t sz)
 {

diff --git a/tests/s-malloc.c b/tests/s-malloc.c
@@ -10,7 +10,7 @@ int free_count;
 
 void *malloc(size_t size)
 {
-	static char buf[MALLOC_BUFSIZE];
+	static char buf[MALLOC_BUFSIZE] __attribute__((aligned(16)));
 	static unsigned alloc_size;
 	void *ptr;