61 lines
1 KiB
C
61 lines
1 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/* Copyright (c) 2023 Hengqi Chen */
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#include "vmlinux.h"
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#include <bpf/bpf_helpers.h>
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#include <bpf/bpf_tracing.h>
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pid_t my_pid = 0;
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int test1_result = 0;
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int test2_result = 0;
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int test3_result = 0;
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int test4_result = 0;
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SEC("uprobe/./liburandom_read.so:urandlib_api_sameoffset")
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int BPF_UPROBE(test1)
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{
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pid_t pid = bpf_get_current_pid_tgid() >> 32;
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if (pid != my_pid)
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return 0;
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test1_result = 1;
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return 0;
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}
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SEC("uprobe/./liburandom_read.so:urandlib_api_sameoffset@LIBURANDOM_READ_1.0.0")
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int BPF_UPROBE(test2)
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{
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pid_t pid = bpf_get_current_pid_tgid() >> 32;
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if (pid != my_pid)
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return 0;
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test2_result = 1;
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return 0;
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}
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SEC("uretprobe/./liburandom_read.so:urandlib_api_sameoffset@@LIBURANDOM_READ_2.0.0")
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int BPF_URETPROBE(test3, int ret)
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{
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pid_t pid = bpf_get_current_pid_tgid() >> 32;
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if (pid != my_pid)
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return 0;
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test3_result = ret;
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return 0;
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}
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SEC("uprobe")
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int BPF_UPROBE(test4)
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{
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pid_t pid = bpf_get_current_pid_tgid() >> 32;
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if (pid != my_pid)
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return 0;
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test4_result = 1;
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return 0;
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}
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