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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
| commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
| tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /tools/testing/selftests/arm64/bti/compiler.h | |
| parent | Initial commit. (diff) | |
| download | linux-upstream.tar.xz linux-upstream.zip | |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/testing/selftests/arm64/bti/compiler.h')
| -rw-r--r-- | tools/testing/selftests/arm64/bti/compiler.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/tools/testing/selftests/arm64/bti/compiler.h b/tools/testing/selftests/arm64/bti/compiler.h new file mode 100644 index 000000000..ebb6204f4 --- /dev/null +++ b/tools/testing/selftests/arm64/bti/compiler.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2019 Arm Limited + * Original author: Dave Martin <Dave.Martin@arm.com> + */ + +#ifndef COMPILER_H +#define COMPILER_H + +#define __always_unused __attribute__((__unused__)) +#define __noreturn __attribute__((__noreturn__)) +#define __unreachable() __builtin_unreachable() + +/* curse(e) has value e, but the compiler cannot assume so */ +#define curse(e) ({ \ + __typeof__(e) __curse_e = (e); \ + asm ("" : "+r" (__curse_e)); \ + __curse_e; \ +}) + +#endif /* ! COMPILER_H */ |