mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
synced 2024-11-19 09:44:30 +01:00
40 lines
677 B
C
40 lines
677 B
C
/*
|
|
* rtld entry pseudo code - turn into assembler and tweak it
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/types.h>
|
|
#include <a.out.h>
|
|
#include "link.h"
|
|
#include "md.h"
|
|
|
|
extern long _GOT_[];
|
|
extern void (*rtld)();
|
|
extern void (*binder())();
|
|
|
|
void
|
|
rtld_entry(version, crtp)
|
|
int version;
|
|
struct crt *crtp;
|
|
{
|
|
register struct link_dynamic *dp;
|
|
register void (*f)();
|
|
|
|
/* __DYNAMIC is first entry in GOT */
|
|
dp = (struct link_dynamic *) (_GOT_[0]+crtp->crt_ba);
|
|
|
|
f = (void (*)())((long)rtld + crtp->crt_ba);
|
|
(*f)(version, crtp, dp);
|
|
}
|
|
|
|
void
|
|
binder_entry()
|
|
{
|
|
extern int PC;
|
|
struct jmpslot *sp;
|
|
void (*func)();
|
|
|
|
func = binder(PC, sp->reloc_index & 0x003fffff);
|
|
(*func)();
|
|
}
|