bpf-prologue.h File Reference

#include <linux/compiler.h>
#include <linux/filter.h>
#include "probe-event.h"
#include <errno.h>

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Macros
#define	BPF_PROLOGUE_MAX_ARGS   3
#define	BPF_PROLOGUE_START_ARG_REG   BPF_REG_3
#define	BPF_PROLOGUE_FETCH_RESULT_REG   BPF_REG_2

Functions
static int	bpf__gen_prologue (struct probe_trace_arg *args __maybe_unused, int nargs __maybe_unused, struct bpf_insn *new_prog __maybe_unused, size_t *new_cnt, size_t cnt_space __maybe_unused)

Macro Definition Documentation

BPF_PROLOGUE_FETCH_RESULT_REG

#define BPF_PROLOGUE_FETCH_RESULT_REG   BPF_REG_2

Definition at line 15 of file bpf-prologue.h.

BPF_PROLOGUE_MAX_ARGS

#define BPF_PROLOGUE_MAX_ARGS   3

Definition at line 13 of file bpf-prologue.h.

BPF_PROLOGUE_START_ARG_REG

#define BPF_PROLOGUE_START_ARG_REG   BPF_REG_3

Definition at line 14 of file bpf-prologue.h.

Function Documentation

bpf__gen_prologue()

static int bpf__gen_prologue ( struct probe_trace_arg *args  __maybe_unused, int nargs  __maybe_unused, struct bpf_insn *new_prog  __maybe_unused, size_t *  new_cnt, size_t cnt_space  __maybe_unused  )

inlinestatic

Definition at line 25 of file bpf-prologue.h.