ldso: fix invalid early references to extern-linkage libc.page_size

[musl] / ldso / dynlink.c

diff --git a/ldso/dynlink.c b/ldso/dynlink.c
index 8068fb3..09f3b0a 100644 (file)
--- a/ldso/dynlink.c
+++ b/ldso/dynlink.c
@@ -21,9 +21,15 @@
 #include <sys/membarrier.h>
 #include "pthread_impl.h"
 #include "fork_impl.h"
-#include "libc.h"
 #include "dynlink.h"
 
+static size_t ldso_page_size;
+#ifndef PAGE_SIZE
+#define PAGE_SIZE ldso_page_size
+#endif
+
+#include "libc.h"
+
 #define malloc __libc_malloc
 #define calloc __libc_calloc
 #define realloc __libc_realloc
@@ -1723,6 +1729,7 @@ hidden void __dls2(unsigned char *base, size_t *sp)
        ldso.phnum = ehdr->e_phnum;
        ldso.phdr = laddr(&ldso, ehdr->e_phoff);
        ldso.phentsize = ehdr->e_phentsize;
+       search_vec(auxv, &ldso_page_size, AT_PAGESZ);
        kernel_mapped_dso(&ldso);
        decode_dyn(&ldso);