Linux-6.18.2/tools/testing/selftests/bpf/progs/kprobe_write_ctx.c
2025-12-23 20:06:59 +08:00

23 lines
378 B
C

// SPDX-License-Identifier: GPL-2.0
#include "vmlinux.h"
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
char _license[] SEC("license") = "GPL";
#if defined(__TARGET_ARCH_x86)
SEC("kprobe")
int kprobe_write_ctx(struct pt_regs *ctx)
{
ctx->ax = 0;
return 0;
}
SEC("kprobe.multi")
int kprobe_multi_write_ctx(struct pt_regs *ctx)
{
ctx->ax = 0;
return 0;
}
#endif