1 // This file is dual licensed under the MIT and the University of Illinois Open 2 // Source Licenses. See LICENSE.TXT for details. 3 4 // Avoid being marked as needing an executable stack: 5 #if defined(__linux__) && defined(__ELF__) 6 .section .note.GNU-stack,"",%progbits 7 #endif 8 9 // Further contents are x86_64-only: 10 #if defined(__linux__) && defined(__x86_64__) 11 12 #include "../builtins/assembly.h" 13 14 // If the "naked" function attribute were supported for x86 we could 15 // do this via inline asm. 16 .text 17 .balign 4 18 DEFINE_COMPILERRT_FUNCTION(internal_sigreturn) 19 mov $0xf, %eax // 0xf == SYS_rt_sigreturn 20 mov %rcx, %r10 21 syscall 22 ret // Won't normally reach here. 23 END_COMPILERRT_FUNCTION(internal_sigreturn) 24 25 #endif // defined(__linux__) && defined(__x86_64__) 26
