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// 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 (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" },
};
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);
}
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