1 | /* |
2 | * safe-syscall.S : include the host-specific assembly fragment |
3 | * to handle signals occurring at the same time as system calls. |
4 | * |
5 | * Written by Peter Maydell <peter.maydell@linaro.org> |
6 | * |
7 | * Copyright (C) 2016 Linaro Limited |
8 | * |
9 | * This work is licensed under the terms of the GNU GPL, version 2 or later. |
10 | * See the COPYING file in the top-level directory. |
11 | */ |
12 | |
13 | #include "hostdep.h" |
14 | #include "errno_defs.h" |
15 | |
16 | /* We have the correct host directory on our include path |
17 | * so that this will pull in the right fragment for the architecture. |
18 | */ |
19 | #ifdef HAVE_SAFE_SYSCALL |
20 | #include "safe-syscall.inc.S" |
21 | #endif |
22 | |
23 | /* We must specifically say that we're happy for the stack to not be |
24 | * executable, otherwise the toolchain will default to assuming our |
25 | * assembly needs an executable stack and the whole QEMU binary will |
26 | * needlessly end up with one. This should be the last thing in this file. |
27 | */ |
28 | #if defined(__linux__) && defined(__ELF__) |
29 | .section .note.GNU-stack, "" , %progbits |
30 | #endif |
31 | |