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