32 lines
774 B
C
32 lines
774 B
C
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// SPDX-License-Identifier: GPL-2.0
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/* Copyright (c) 2024 Meta Platforms, Inc. and affiliates. */
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#include "vmlinux.h"
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#include <bpf/bpf_helpers.h>
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struct bpf_stack_build_id stack_sleepable[128];
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int res_sleepable;
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struct bpf_stack_build_id stack_nofault[128];
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int res_nofault;
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SEC("uprobe.multi/./uprobe_multi:uprobe")
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int uprobe_nofault(struct pt_regs *ctx)
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{
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res_nofault = bpf_get_stack(ctx, stack_nofault, sizeof(stack_nofault),
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BPF_F_USER_STACK | BPF_F_USER_BUILD_ID);
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return 0;
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}
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SEC("uprobe.multi.s/./uprobe_multi:uprobe")
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int uprobe_sleepable(struct pt_regs *ctx)
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{
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res_sleepable = bpf_get_stack(ctx, stack_sleepable, sizeof(stack_sleepable),
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BPF_F_USER_STACK | BPF_F_USER_BUILD_ID);
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return 0;
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}
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char _license[] SEC("license") = "GPL";
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