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Diffstat (limited to 'common-user/safe-syscall.S')
| -rw-r--r-- | common-user/safe-syscall.S | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/common-user/safe-syscall.S b/common-user/safe-syscall.S new file mode 100644 index 0000000..74f7e35 --- /dev/null +++ b/common-user/safe-syscall.S @@ -0,0 +1,27 @@ +/* + * safe-syscall.S : include the host-specific assembly fragment + * to handle signals occurring at the same time as system calls. + * + * Written by Peter Maydell <peter.maydell@linaro.org> + * + * Copyright (C) 2016 Linaro Limited + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#include "special-errno.h" + +/* We have the correct host directory on our include path + * so that this will pull in the right fragment for the architecture. + */ +#include "safe-syscall.inc.S" + +/* We must specifically say that we're happy for the stack to not be + * executable, otherwise the toolchain will default to assuming our + * assembly needs an executable stack and the whole QEMU binary will + * needlessly end up with one. This should be the last thing in this file. + */ +#if defined(__linux__) && defined(__ELF__) +.section .note.GNU-stack, "", %progbits +#endif |