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-rw-r--r--src/env/__libc_start_main.c26
1 files changed, 19 insertions, 7 deletions
diff --git a/src/env/__libc_start_main.c b/src/env/__libc_start_main.c
index a38569d5..07613a52 100644
--- a/src/env/__libc_start_main.c
+++ b/src/env/__libc_start_main.c
@@ -1,24 +1,36 @@
+#include <elf.h>
#include "libc.h"
void __init_tls(size_t *);
void __init_security(size_t *);
+#define AUX_CNT 38
+
+void __init_libc(char **envp)
+{
+ size_t i, *auxv, aux[AUX_CNT];
+ __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];
+
+ __init_tls(aux);
+ __init_security(aux);
+}
+
int __libc_start_main(
int (*main)(int, char **, char **), int argc, char **argv,
int (*init)(int, char **, char **), void (*fini)(void),
void (*ldso_fini)(void))
{
- char **envp = argv+argc+1, **auxv = envp;
+ char **envp = argv+argc+1;
+
+ __init_libc(envp);
- __environ = envp;
- do auxv++; while (*auxv);
- libc.auxv = (void *)++auxv;
libc.ldso_fini = ldso_fini;
libc.fini = fini;
- __init_tls((void *)auxv);
- __init_security((void *)auxv);
-
/* Execute constructors (static) linked into the application */
if (init) init(argc, argv, envp);