You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
127 lines
3.0 KiB
127 lines
3.0 KiB
/* |
|
* libfdt - Flat Device Tree manipulation |
|
* Test labels within values |
|
* Copyright (C) 2008 David Gibson, IBM Corporation. |
|
* |
|
* This library is free software; you can redistribute it and/or |
|
* modify it under the terms of the GNU Lesser General Public License |
|
* as published by the Free Software Foundation; either version 2.1 of |
|
* the License, or (at your option) any later version. |
|
* |
|
* This library is distributed in the hope that it will be useful, but |
|
* WITHOUT ANY WARRANTY; without even the implied warranty of |
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
* Lesser General Public License for more details. |
|
* |
|
* You should have received a copy of the GNU Lesser General Public |
|
* License along with this library; if not, write to the Free Software |
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
|
*/ |
|
|
|
#include <stdlib.h> |
|
#include <stdio.h> |
|
#include <string.h> |
|
#include <stdint.h> |
|
#include <errno.h> |
|
|
|
#include <dlfcn.h> |
|
|
|
#include <libfdt.h> |
|
|
|
#include "tests.h" |
|
#include "testdata.h" |
|
|
|
struct val_label { |
|
const char *labelname; |
|
int propoff; |
|
}; |
|
|
|
struct val_label labels1[] = { |
|
{ "start1", 0 }, |
|
{ "mid1", 2 }, |
|
{ "end1", -1 }, |
|
}; |
|
|
|
struct val_label labels2[] = { |
|
{ "start2", 0 }, |
|
{ "innerstart2", 0 }, |
|
{ "innermid2", 4 }, |
|
{ "innerend2", -1 }, |
|
{ "end2", -1 }, |
|
}; |
|
|
|
struct val_label labels3[] = { |
|
{ "start3", 0 }, |
|
{ "innerstart3", 0 }, |
|
{ "innermid3", 1 }, |
|
{ "innerend3", -1 }, |
|
{ "end3", -1 }, |
|
}; |
|
|
|
static void check_prop_labels(void *sohandle, void *fdt, const char *name, |
|
const struct val_label* labels, int n) |
|
{ |
|
const struct fdt_property *prop; |
|
const char *p; |
|
int len; |
|
int i; |
|
|
|
prop = fdt_get_property(fdt, 0, name, &len); |
|
if (!prop) |
|
FAIL("Couldn't locate property \"%s\"", name); |
|
|
|
p = dlsym(sohandle, name); |
|
if (!p) |
|
FAIL("Couldn't locate label symbol \"%s\"", name); |
|
|
|
if (p != (const char *)prop) |
|
FAIL("Label \"%s\" does not point to correct property", name); |
|
|
|
for (i = 0; i < n; i++) { |
|
int off = labels[i].propoff; |
|
|
|
if (off == -1) |
|
off = len; |
|
|
|
p = dlsym(sohandle, labels[i].labelname); |
|
if (!p) |
|
FAIL("Couldn't locate label symbol \"%s\"", name); |
|
|
|
if ((p - prop->data) != off) |
|
FAIL("Label \"%s\" points to offset %ld instead of %d" |
|
"in property \"%s\"", labels[i].labelname, |
|
(long)(p - prop->data), off, name); |
|
} |
|
} |
|
|
|
int main(int argc, char *argv[]) |
|
{ |
|
void *sohandle; |
|
void *fdt; |
|
int err; |
|
|
|
test_init(argc, argv); |
|
if (argc != 2) |
|
CONFIG("Usage: %s <so file>", argv[0]); |
|
|
|
sohandle = dlopen(argv[1], RTLD_NOW); |
|
if (!sohandle) |
|
FAIL("Couldn't dlopen() %s", argv[1]); |
|
|
|
fdt = dlsym(sohandle, "dt_blob_start"); |
|
if (!fdt) |
|
FAIL("Couldn't locate \"dt_blob_start\" symbol in %s", |
|
argv[1]); |
|
|
|
err = fdt_check_header(fdt); |
|
if (err != 0) |
|
FAIL("%s contains invalid tree: %s", argv[1], |
|
fdt_strerror(err)); |
|
|
|
|
|
check_prop_labels(sohandle, fdt, "prop1", labels1, ARRAY_SIZE(labels1)); |
|
check_prop_labels(sohandle, fdt, "prop2", labels2, ARRAY_SIZE(labels2)); |
|
check_prop_labels(sohandle, fdt, "prop3", labels3, ARRAY_SIZE(labels3)); |
|
|
|
PASS(); |
|
}
|
|
|