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https://github.com/torvalds/linux
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a43783aeec
Removing it from util.h, part of an effort to disentangle the includes hell, that makes changes to util.h or something included by it to cause a complete rebuild of the tools. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-ztrjy52q1rqcchuy3rubfgt2@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
37 lines
867 B
C
37 lines
867 B
C
/*
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* Copyright (C) 2015, He Kuang <hekuang@huawei.com>
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* Copyright (C) 2015, Huawei Inc.
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*/
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#ifndef __BPF_PROLOGUE_H
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#define __BPF_PROLOGUE_H
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#include <linux/compiler.h>
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#include <linux/filter.h>
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#include "probe-event.h"
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#define BPF_PROLOGUE_MAX_ARGS 3
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#define BPF_PROLOGUE_START_ARG_REG BPF_REG_3
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#define BPF_PROLOGUE_FETCH_RESULT_REG BPF_REG_2
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#ifdef HAVE_BPF_PROLOGUE
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int bpf__gen_prologue(struct probe_trace_arg *args, int nargs,
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struct bpf_insn *new_prog, size_t *new_cnt,
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size_t cnt_space);
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#else
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#include <errno.h>
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static inline int
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bpf__gen_prologue(struct probe_trace_arg *args __maybe_unused,
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int nargs __maybe_unused,
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struct bpf_insn *new_prog __maybe_unused,
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size_t *new_cnt,
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size_t cnt_space __maybe_unused)
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{
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if (!new_cnt)
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return -EINVAL;
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*new_cnt = 0;
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return -ENOTSUP;
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}
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#endif
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#endif /* __BPF_PROLOGUE_H */
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