#include <elf.h>
#include <poll.h>
#include <fcntl.h>
+#include <signal.h>
#include "syscall.h"
#include "atomic.h"
#include "libc.h"
void __init_tls(size_t *);
-#ifndef SHARED
-static void dummy() {}
+static void dummy(void) {}
weak_alias(dummy, _init);
-extern void (*const __init_array_start)() __attribute__((weak));
-extern void (*const __init_array_end)() __attribute__((weak));
-#endif
+
+__attribute__((__weak__, __visibility__("hidden")))
+extern void (*const __init_array_start)(void), (*const __init_array_end)(void);
static void dummy1(void *p) {}
weak_alias(dummy1, __init_ssp);
#define AUX_CNT 38
-extern size_t __hwcap, __sysinfo;
-extern char *__progname, *__progname_full;
-
-#ifndef SHARED
-static
-#endif
void __init_libc(char **envp, char *pn)
{
size_t i, *auxv, aux[AUX_CNT] = { 0 };
&& !aux[AT_SECURE]) return;
struct pollfd pfd[3] = { {.fd=0}, {.fd=1}, {.fd=2} };
+#ifdef SYS_poll
__syscall(SYS_poll, pfd, 3, 0);
+#else
+ __syscall(SYS_ppoll, pfd, 3, &(struct timespec){0}, 0, _NSIG/8);
+#endif
for (i=0; i<3; i++) if (pfd[i].revents&POLLNVAL)
if (__sys_open("/dev/null", O_RDWR)<0)
a_crash();
libc.secure = 1;
}
-int __libc_start_main(int (*main)(int,char **,char **), int argc, char **argv)
+static void libc_start_init(void)
{
- char **envp = argv+argc+1;
-
-#ifndef SHARED
- __init_libc(envp, argv[0]);
_init();
uintptr_t a = (uintptr_t)&__init_array_start;
for (; a<(uintptr_t)&__init_array_end; a+=sizeof(void(*)()))
(*(void (**)())a)();
-#endif
+}
+
+weak_alias(libc_start_init, __libc_start_init);
+
+int __libc_start_main(int (*main)(int,char **,char **), int argc, char **argv)
+{
+ char **envp = argv+argc+1;
+
+ __init_libc(envp, argv[0]);
+ __libc_start_init();
- /* Pass control to to application */
+ /* Pass control to the application */
exit(main(argc, argv, envp));
return 0;
}