i386 vsyscall support (vdso-provided sysenter/syscall instruction based)

[musl] / src / env / __libc_start_main.c

diff --git a/src/env/__libc_start_main.c b/src/env/__libc_start_main.c
index 07613a5..ee10b0d 100644 (file)
--- a/src/env/__libc_start_main.c
+++ b/src/env/__libc_start_main.c
@@ -6,14 +6,17 @@ void __init_security(size_t *);
 
 #define AUX_CNT 38
 
+extern size_t __hwcap, __sysinfo;
+
 void __init_libc(char **envp)
 {
-       size_t i, *auxv, aux[AUX_CNT];
+       size_t i, *auxv, aux[AUX_CNT] = { 0 };
        __environ = envp;
        for (i=0; envp[i]; i++);
        libc.auxv = auxv = (void *)(envp+i+1);
        for (i=0; auxv[i]; i+=2) if (auxv[i]<AUX_CNT) aux[auxv[i]] = auxv[i+1];
        __hwcap = aux[AT_HWCAP];
+       __sysinfo = aux[AT_SYSINFO];
 
        __init_tls(aux);
        __init_security(aux);