projects / mirror_zfs.git / blame
| Commit | Line | Data |
|---|---|---|
| 650383f2 GN |
1 | dnl # |
| 2 | dnl # 4.6 API for compile-time stack validation | |
| 3 | dnl # | |
| 4 | AC_DEFUN([ZFS_AC_KERNEL_OBJTOOL], [ | |
| 5 | AC_MSG_CHECKING([for compile-time stack validation (objtool)]) | |
| 6 | ZFS_LINUX_TRY_COMPILE([ | |
| 7 | #undef __ASSEMBLY__ | |
| 8 | #include <asm/frame.h> | |
| 9 | ],[ | |
| 10 | #if !defined(FRAME_BEGIN) | |
| 11 | CTASSERT(1); | |
| 12 | #endif | |
| 13 | ],[ | |
| 14 | AC_MSG_RESULT(yes) | |
| c28a6773 BB |
15 | AC_DEFINE(HAVE_KERNEL_OBJTOOL, 1, |
| 16 | [kernel does stack verification]) | |
| 17 | ||
| 18 | ZFS_AC_KERNEL_STACK_FRAME_NON_STANDARD | |
| 19 | ],[ | |
| 20 | AC_MSG_RESULT(no) | |
| 21 | ]) | |
| 22 | ]) | |
| 23 | ||
| 24 | dnl # | |
| 25 | dnl # 4.6 API added STACK_FRAME_NON_STANDARD macro | |
| 26 | dnl # | |
| 27 | AC_DEFUN([ZFS_AC_KERNEL_STACK_FRAME_NON_STANDARD], [ | |
| 28 | AC_MSG_CHECKING([whether STACK_FRAME_NON_STANDARD is defined]) | |
| 29 | ZFS_LINUX_TRY_COMPILE([ | |
| 30 | #include <linux/frame.h> | |
| 31 | ],[ | |
| 32 | #if !defined(STACK_FRAME_NON_STANDARD) | |
| 33 | CTASSERT(1); | |
| 34 | #endif | |
| 35 | ],[ | |
| 36 | AC_MSG_RESULT(yes) | |
| 37 | AC_DEFINE(HAVE_STACK_FRAME_NON_STANDARD, 1, | |
| 38 | [STACK_FRAME_NON_STANDARD is defined]) | |
| 650383f2 GN |
39 | ],[ |
| 40 | AC_MSG_RESULT(no) | |
| 41 | ]) | |
| 42 | ]) |