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Diffstat (limited to 'samples/bpf/asm_goto_workaround.h')
-rw-r--r-- | samples/bpf/asm_goto_workaround.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/samples/bpf/asm_goto_workaround.h b/samples/bpf/asm_goto_workaround.h new file mode 100644 index 000000000..7048bb359 --- /dev/null +++ b/samples/bpf/asm_goto_workaround.h @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2019 Facebook */ +#ifndef __ASM_GOTO_WORKAROUND_H +#define __ASM_GOTO_WORKAROUND_H + +/* + * This will bring in asm_volatile_goto and asm_inline macro definitions + * if enabled by compiler and config options. + */ +#include <linux/types.h> + +#ifdef asm_volatile_goto +#undef asm_volatile_goto +#define asm_volatile_goto(x...) asm volatile("invalid use of asm_volatile_goto") +#endif + +/* + * asm_inline is defined as asm __inline in "include/linux/compiler_types.h" + * if supported by the kernel's CC (i.e CONFIG_CC_HAS_ASM_INLINE) which is not + * supported by CLANG. + */ +#ifdef asm_inline +#undef asm_inline +#define asm_inline asm +#endif + +#define volatile(x...) volatile("") +#endif |