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#include <elf.h>
#include "libc.h"
void __init_tls(size_t *);
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] = { 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);
}
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;
__init_libc(envp);
libc.ldso_fini = ldso_fini;
libc.fini = fini;
/* Execute constructors (static) linked into the application */
if (init) init(argc, argv, envp);
/* Pass control to to application */
exit(main(argc, argv, envp));
return 0;
}
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