freebsd-nq/sys/i386
Tijl Coosemans f236378b54 Set the return address for stack entry points to zero.
Stack unwinders treat zero as a stop condition.  The value on the stack can
be non-zero because thread stacks may be arbitrary memory provided via
pthread_attr_setstack(3) or may be recycled from previous threads.

Reference:
https://lists.freebsd.org/pipermail/freebsd-current/2017-August/066855.html
https://lists.freebsd.org/pipermail/freebsd-current/2017-October/067254.html

Discussed with:	kib
MFC after:	1 week
2017-10-31 11:51:34 +00:00
..
acpica If x86 CPU implementation of the MWAIT instruction reasonably 2015-05-09 12:28:48 +00:00
bios Remove Micro Channel Architecture support. Of the commonly available 2017-02-15 23:04:25 +00:00
cloudabi32 Move struct syscall_args syscall arguments parameters container into 2017-06-12 21:03:23 +00:00
conf Update several more URLs 2017-10-29 08:17:03 +00:00
i386 Set the return address for stack entry points to zero. 2017-10-31 11:51:34 +00:00
ibcs2 Remove register keyword from sys/ and ANSIfy prototypes 2017-05-17 00:34:34 +00:00
include Reset the fs and gs bases on exec(2). 2017-10-09 15:39:43 +00:00
isa Revert r323722. A better fix will be committed shortly, as well as 2017-09-28 08:38:24 +00:00
linux Avoid using [LINUX_]SHAREDPAGE constant directly in the vdso code. 2017-07-30 21:24:20 +00:00
pci Remove pc98 support completely. 2017-01-28 02:22:15 +00:00
xbox
Makefile