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#include <u.h>
#include <rt.h>
#include <elf.h>
/* tell linker to go find */
int atexit(void (*)(void));
int __libc_start_main(int (*main)(int,char **,char **), int argc, char **argv);
void rt·clean(void);
void rt·guardstack(void);
#define NAUX 38
static void
rt·init(char **env, char *program)
{
uintptr i, *auxv, aux[NAUX];
for(i=0; env[i]; i++)
;
rt·context.auxv = auxv = (void *)(env+i+1);
for(i=0; auxv[i]; i+=2)
if(auxv[i]<NAUX)
aux[auxv[i]] = auxv[i+1];
rt·context.sysinfo = aux[AT_SYSINFO];
rt·context.pagesize = aux[AT_PAGESZ];
rt·guardstack();
}
int
rt·boot(int (*main)(), int argc, char **argv, void (*init)(), void (*fini)(), void (*exit)())
{
char **env = argv+argc+1;
rt·init(env, argv[0]);
/* ring libc, anyone home? */
atexit(rt·clean);
__libc_start_main(main, argc, argv);
/* no? ok we continue on if there is no libc linked */
init();
if(fini)
rt·context.fini = fini;
if(exit)
rt·context.exit = exit;
rt·exit(main(argc, argv, env));
}
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