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author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
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committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/dtc/tests/value-labels.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/dtc/tests/value-labels.c')
-rw-r--r-- | qemu/dtc/tests/value-labels.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/qemu/dtc/tests/value-labels.c b/qemu/dtc/tests/value-labels.c new file mode 100644 index 000000000..dcf20593d --- /dev/null +++ b/qemu/dtc/tests/value-labels.c @@ -0,0 +1,127 @@ +/* + * 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(); +} |