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1// SPDX-License-Identifier: GPL-2.02/* Copyright (c) 2024 Meta Platforms, Inc. and affiliates. */3 4#include "vmlinux.h"5#include <bpf/bpf_helpers.h>6 7struct bpf_stack_build_id stack_sleepable[128];8int res_sleepable;9 10struct bpf_stack_build_id stack_nofault[128];11int res_nofault;12 13SEC("uprobe.multi/./uprobe_multi:uprobe")14int uprobe_nofault(struct pt_regs *ctx)15{16 res_nofault = bpf_get_stack(ctx, stack_nofault, sizeof(stack_nofault),17 BPF_F_USER_STACK | BPF_F_USER_BUILD_ID);18 19 return 0;20}21 22SEC("uprobe.multi.s/./uprobe_multi:uprobe")23int uprobe_sleepable(struct pt_regs *ctx)24{25 res_sleepable = bpf_get_stack(ctx, stack_sleepable, sizeof(stack_sleepable),26 BPF_F_USER_STACK | BPF_F_USER_BUILD_ID);27 28 return 0;29}30 31char _license[] SEC("license") = "GPL";32