43 lines
916 B
Plaintext
43 lines
916 B
Plaintext
dnl #
|
|
dnl # 4.6 API for compile-time stack validation
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_OBJTOOL], [
|
|
AC_MSG_CHECKING([for compile-time stack validation (objtool)])
|
|
ZFS_LINUX_TRY_COMPILE([
|
|
#undef __ASSEMBLY__
|
|
#include <asm/frame.h>
|
|
],[
|
|
#if !defined(FRAME_BEGIN)
|
|
CTASSERT(1);
|
|
#endif
|
|
],[
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_KERNEL_OBJTOOL, 1,
|
|
[kernel does stack verification])
|
|
|
|
ZFS_AC_KERNEL_STACK_FRAME_NON_STANDARD
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 4.6 API added STACK_FRAME_NON_STANDARD macro
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_STACK_FRAME_NON_STANDARD], [
|
|
AC_MSG_CHECKING([whether STACK_FRAME_NON_STANDARD is defined])
|
|
ZFS_LINUX_TRY_COMPILE([
|
|
#include <linux/frame.h>
|
|
],[
|
|
#if !defined(STACK_FRAME_NON_STANDARD)
|
|
CTASSERT(1);
|
|
#endif
|
|
],[
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_STACK_FRAME_NON_STANDARD, 1,
|
|
[STACK_FRAME_NON_STANDARD is defined])
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|