diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/x86_64/tst-cet-property-dep-2.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86_64/tst-cet-property-dep-2.S | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/x86_64/tst-cet-property-dep-2.S b/sysdeps/unix/sysv/linux/x86_64/tst-cet-property-dep-2.S new file mode 100644 index 0000000000..6a8dd8b93c --- /dev/null +++ b/sysdeps/unix/sysv/linux/x86_64/tst-cet-property-dep-2.S @@ -0,0 +1,63 @@ +/* Test CET property note parser. + Copyright (C) 2018-2024 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <cet.h> + + .text + .p2align 4,,15 + .globl bar + .type bar, @function +/* Since this function doesn't start with ENDBR, it should lead to the + IBT violation when called indirectly. */ +bar: + .cfi_startproc + ret + .cfi_endproc + .size bar, .-bar + +#if __SIZEOF_PTRDIFF_T__ == 8 +# define ALIGN 3 +#elif __SIZEOF_PTRDIFF_T__ == 4 +# define ALIGN 2 +#endif + +/* In NT_GNU_PROPERTY_TYPE_0 note, add a GNU_PROPERTY_STACK_SIZE property + before the GNU_PROPERTY_X86_FEATURE_1_AND property. */ + .section ".note.gnu.property", "a" + .p2align ALIGN + .long 1f - 0f /* name length */ + .long 5f - 2f /* data length */ + .long 5 /* note type */ +0: .asciz "GNU" /* vendor name */ +1: + .p2align ALIGN +2: + .long 1 /* pr_type. */ + .long 4f - 3f /* pr_datasz. */ +3: +#if __SIZEOF_PTRDIFF_T__ == 8 + .long 0x800 + .long 0x800 +#else + .long 0x08000800 +#endif +4: + .p2align ALIGN +5: + + .section .note.GNU-stack,"",@progbits |