From 1470c9e5b0edc90685b44159aba08bd618681771 Mon Sep 17 00:00:00 2001
From: Robert O'Callahan <robert@ocallahan.org>
Date: Sat, 17 Aug 2024 23:02:04 +1200
Subject: [PATCH] Use correct page size for Aarch64

---
 src/test/vdso_symbols.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/test/vdso_symbols.c b/src/test/vdso_symbols.c
index 49131711db2..2d4954ede75 100644
--- a/src/test/vdso_symbols.c
+++ b/src/test/vdso_symbols.c
@@ -27,6 +27,12 @@ static Shdr* find_section(Ehdr* ehdr, const char* name) {
   return NULL;
 }
 
+#ifdef __aarch64__
+#define PRELOAD_LIBRARY_PAGE_SIZE 65536
+#else
+#define PRELOAD_LIBRARY_PAGE_SIZE 4096
+#endif
+
 int main(void) {
   char* vdso = (char*)getauxval(AT_SYSINFO_EHDR);
   Ehdr* ehdr = (Ehdr*)vdso;
@@ -39,8 +45,8 @@ int main(void) {
   for (int si = 0; si*dynsym->sh_entsize < dynsym->sh_size; ++si) {
     Sym* sym = (Sym*)(vdso + dynsym->sh_offset) + si;
     // All symbols must be within the VDSO size, i.e. not the
-    // absolute address. We assume the VDSO is less than 64K.
-    test_assert(sym->st_value < 0x10000);
+    // absolute address. We assume the VDSO is less than 4 pages.
+    test_assert(sym->st_value < 4*PRELOAD_LIBRARY_PAGE_SIZE);
   }
 
   atomic_puts("EXIT-SUCCESS");