1*15ac1adfSJiri Olsa // SPDX-License-Identifier: GPL-2.0 2*15ac1adfSJiri Olsa #include <linux/bpf.h> 3*15ac1adfSJiri Olsa #include <bpf/bpf_helpers.h> 4*15ac1adfSJiri Olsa #include "bpf_misc.h" 5*15ac1adfSJiri Olsa #include "bpf_test_utils.h" 6*15ac1adfSJiri Olsa 7*15ac1adfSJiri Olsa struct { 8*15ac1adfSJiri Olsa __uint(type, BPF_MAP_TYPE_PROG_ARRAY); 9*15ac1adfSJiri Olsa __uint(max_entries, 1); 10*15ac1adfSJiri Olsa __uint(key_size, sizeof(__u32)); 11*15ac1adfSJiri Olsa __array(values, void (void)); 12*15ac1adfSJiri Olsa } jmp_table SEC(".maps"); 13*15ac1adfSJiri Olsa 14*15ac1adfSJiri Olsa SEC("?uprobe") 15*15ac1adfSJiri Olsa int uprobe_normal(void *ctx) 16*15ac1adfSJiri Olsa { 17*15ac1adfSJiri Olsa bpf_tail_call_static(ctx, &jmp_table, 0); 18*15ac1adfSJiri Olsa return 0; 19*15ac1adfSJiri Olsa } 20*15ac1adfSJiri Olsa 21*15ac1adfSJiri Olsa SEC("?uprobe.s") 22*15ac1adfSJiri Olsa int uprobe_sleepable_1(void *ctx) 23*15ac1adfSJiri Olsa { 24*15ac1adfSJiri Olsa bpf_tail_call_static(ctx, &jmp_table, 0); 25*15ac1adfSJiri Olsa return 0; 26*15ac1adfSJiri Olsa } 27*15ac1adfSJiri Olsa 28*15ac1adfSJiri Olsa int executed = 0; 29*15ac1adfSJiri Olsa int my_pid = 0; 30*15ac1adfSJiri Olsa 31*15ac1adfSJiri Olsa SEC("?uprobe.s") 32*15ac1adfSJiri Olsa int uprobe_sleepable_2(void *ctx) 33*15ac1adfSJiri Olsa { 34*15ac1adfSJiri Olsa int pid = bpf_get_current_pid_tgid() >> 32; 35*15ac1adfSJiri Olsa 36*15ac1adfSJiri Olsa if (pid != my_pid) 37*15ac1adfSJiri Olsa return 0; 38*15ac1adfSJiri Olsa 39*15ac1adfSJiri Olsa executed++; 40*15ac1adfSJiri Olsa return 0; 41*15ac1adfSJiri Olsa } 42*15ac1adfSJiri Olsa 43*15ac1adfSJiri Olsa char __license[] SEC("license") = "GPL"; 44