projects / binutils.git / blame
| Commit | Line | Data |
|---|---|---|
| bf41f30d NC |
1 | dnl |
| 2 | dnl GCC_CET_FLAGS | |
| 3 | dnl (SHELL-CODE_HANDLER) | |
| 4 | dnl | |
| 5 | AC_DEFUN([GCC_CET_FLAGS],[dnl | |
| 6 | GCC_ENABLE(cet, default, ,[enable Intel CET in target libraries], | |
| 7 | permit yes|no|default) | |
| 8 | case "$host" in | |
| 9 | i[[34567]]86-*-linux* | x86_64-*-linux*) | |
| 10 | case "$enable_cet" in | |
| 11 | default) | |
| 12 | # Check if assembler supports CET. | |
| 13 | AC_COMPILE_IFELSE( | |
| 14 | [AC_LANG_PROGRAM( | |
| 15 | [], | |
| 16 | [asm ("setssbsy");])], | |
| 17 | [enable_cet=yes], | |
| 18 | [enable_cet=no]) | |
| 19 | ;; | |
| 20 | yes) | |
| 21 | # Check if assembler supports CET. | |
| 22 | AC_COMPILE_IFELSE( | |
| 23 | [AC_LANG_PROGRAM( | |
| 24 | [], | |
| 25 | [asm ("setssbsy");])], | |
| 26 | [], | |
| 27 | [AC_MSG_ERROR([assembler with CET support is required for --enable-cet])]) | |
| 28 | ;; | |
| 29 | esac | |
| 30 | ;; | |
| 31 | *) | |
| 32 | enable_cet=no | |
| 33 | ;; | |
| 34 | esac | |
| 35 | if test x$enable_cet = xyes; then | |
| 36 | $1="-fcf-protection -mcet" | |
| 37 | fi | |
| 38 | ]) |