Orange Pi5 kernel

// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2020 Facebook */
#include <test_progs.h>
 
const char *err_str;
bool found;
 
static int libbpf_debug_print(enum libbpf_print_level level,
<------><------><------>      const char *format, va_list args)
{
<------>char *log_buf;
 
<------>if (level != LIBBPF_WARN ||
<------>    strcmp(format, "libbpf: \n%s\n")) {
<------><------>vprintf(format, args);
<------><------>return 0;
<------>}
 
<------>log_buf = va_arg(args, char *);
<------>if (!log_buf)
<------><------>goto out;
<------>if (err_str && strstr(log_buf, err_str) == 0)
<------><------>found = true;
out:
<------>printf(format, log_buf);
<------>return 0;
}
 
extern int extra_prog_load_log_flags;
 
static int check_load(const char *file)
{
<------>struct bpf_prog_load_attr attr;
<------>struct bpf_object *obj = NULL;
<------>int err, prog_fd;
 
<------>memset(&attr, 0, sizeof(struct bpf_prog_load_attr));
<------>attr.file = file;
<------>attr.prog_type = BPF_PROG_TYPE_UNSPEC;
<------>attr.log_level = extra_prog_load_log_flags;
<------>attr.prog_flags = BPF_F_TEST_RND_HI32;
<------>found = false;
<------>err = bpf_prog_load_xattr(&attr, &obj, &prog_fd);
<------>bpf_object__close(obj);
<------>return err;
}
 
struct test_def {
<------>const char *file;
<------>const char *err_str;
};
 
void test_test_global_funcs(void)
{
<------>struct test_def tests[] = {
<------><------>{ "test_global_func1.o", "combined stack size of 4 calls is 544" },
<------><------>{ "test_global_func2.o" },
<------><------>{ "test_global_func3.o" , "the call stack of 8 frames" },
<------><------>{ "test_global_func4.o" },
<------><------>{ "test_global_func5.o" , "expected pointer to ctx, but got PTR" },
<------><------>{ "test_global_func6.o" , "modified ctx ptr R2" },
<------><------>{ "test_global_func7.o" , "foo() doesn't return scalar" },
<------><------>{ "test_global_func8.o" },
<------>};
<------>libbpf_print_fn_t old_print_fn = NULL;
<------>int err, i, duration = 0;
 
<------>old_print_fn = libbpf_set_print(libbpf_debug_print);
 
<------>for (i = 0; i < ARRAY_SIZE(tests); i++) {
<------><------>const struct test_def *test = &tests[i];
 
<------><------>if (!test__start_subtest(test->file))
<------><------><------>continue;
 
<------><------>err_str = test->err_str;
<------><------>err = check_load(test->file);
<------><------>CHECK_FAIL(!!err ^ !!err_str);
<------><------>if (err_str)
<------><------><------>CHECK(found, "", "expected string '%s'", err_str);
<------>}
<------>libbpf_set_print(old_print_fn);
}