| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| |
| // Avoid being marked as needing an executable stack: |
| #if defined(__linux__) && defined(__ELF__) |
| .section .note.GNU-stack,"",%progbits |
| #endif |
| |
| // Further contents are x86_64-only: |
| #if defined(__linux__) && defined(__x86_64__) |
| |
| #include "../builtins/assembly.h" |
| #include "cet.h" |
| |
| // If the "naked" function attribute were supported for x86 we could |
| // do this via inline asm. |
| .text |
| .balign 4 |
| DEFINE_COMPILERRT_FUNCTION(internal_sigreturn) |
| _CET_ENDBR |
| mov $0xf, %eax // 0xf == SYS_rt_sigreturn |
| mov %rcx, %r10 |
| syscall |
| ret // Won't normally reach here. |
| END_COMPILERRT_FUNCTION(internal_sigreturn) |
| |
| #endif // defined(__linux__) && defined(__x86_64__) |
