// SPDX-License-Identifier: GPL-2.0 #include <vmlinux.h> #include <bpf/bpf_helpers.h> #include <bpf/bpf_tracing.h> #include "../test_kmods/bpf_testmod.h" char _license[] SEC("license") = "GPL"; void bpf_testmod_ops3_call_test_2(void) __ksym; int val_i, val_j; __noinline static int subprog2(int *a, int *b) { return val_i + a[10] + b[20]; } __noinline static int subprog1(int *a) { /* stack size 200 bytes */ int b[50] = {}; b[20] = 2; return subprog2(a, b); } SEC("struct_ops") int BPF_PROG(test_1) { /* stack size 400 bytes */ int a[100] = {}; a[10] = 1; val_i = subprog1(a); bpf_testmod_ops3_call_test_2(); return 0; } SEC("struct_ops") int BPF_PROG(test_2) { /* stack size 200 bytes */ int a[50] = {}; a[10] = 3; val_j = subprog1(a); return 0; } SEC(".struct_ops") struct bpf_testmod_ops3 testmod_1 = { .test_1 = (void *)test_1, .test_2 = (void *)test_2, };