gnu/usr.bin/ld/rtld/md-prologue.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)();
}