54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
|
#include "linux/threads.h"
|
||
|
|
#include "linux/stddef.h" // for NULL
|
||
|
|
#include "linux/elf.h" // for AT_NULL
|
||
|
|
|
||
|
|
/* The following function nicked from arch/ppc/kernel/process.c and
|
||
|
|
* adapted slightly */
|
||
|
|
/*
|
||
|
|
* XXX ld.so expects the auxiliary table to start on
|
||
|
|
* a 16-byte boundary, so we have to find it and
|
||
|
|
* move it up. :-(
|
||
|
|
*/
|
||
|
|
void shove_aux_table(unsigned long sp)
|
||
|
|
{
|
||
|
|
int argc;
|
||
|
|
char *p;
|
||
|
|
unsigned long e;
|
||
|
|
unsigned long aux_start, offset;
|
||
|
|
|
||
|
|
argc = *(int *)sp;
|
||
|
|
sp += sizeof(int) + (argc + 1) * sizeof(char *);
|
||
|
|
/* skip over the environment pointers */
|
||
|
|
do {
|
||
|
|
p = *(char **)sp;
|
||
|
|
sp += sizeof(char *);
|
||
|
|
} while (p != NULL);
|
||
|
|
aux_start = sp;
|
||
|
|
/* skip to the end of the auxiliary table */
|
||
|
|
do {
|
||
|
|
e = *(unsigned long *)sp;
|
||
|
|
sp += 2 * sizeof(unsigned long);
|
||
|
|
} while (e != AT_NULL);
|
||
|
|
offset = ((aux_start + 15) & ~15) - aux_start;
|
||
|
|
if (offset != 0) {
|
||
|
|
do {
|
||
|
|
sp -= sizeof(unsigned long);
|
||
|
|
e = *(unsigned long *)sp;
|
||
|
|
*(unsigned long *)(sp + offset) = e;
|
||
|
|
} while (sp > aux_start);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/* END stuff taken from arch/ppc/kernel/process.c */
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Overrides for Emacs so that we follow Linus's tabbing style.
|
||
|
|
* Emacs will notice this stuff at the end of the file and automatically
|
||
|
|
* adjust the settings for this buffer only. This must remain at the end
|
||
|
|
* of the file.
|
||
|
|
* ---------------------------------------------------------------------------
|
||
|
|
* Local variables:
|
||
|
|
* c-file-style: "linux"
|
||
|
|
* End:
|
||
|
|
*/
|