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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
commit55944e5e40b1be2afc4855d8d2baf4b73d1876b5 (patch)
tree33f869f55a1b149e9b7c2b7e201867ca5dd52992 /src/test/generate-sym-test.py
parentInitial commit. (diff)
downloadsystemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.tar.xz
systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.zip
Adding upstream version 255.4.upstream/255.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/generate-sym-test.py')
-rwxr-xr-xsrc/test/generate-sym-test.py114
1 files changed, 114 insertions, 0 deletions
diff --git a/src/test/generate-sym-test.py b/src/test/generate-sym-test.py
new file mode 100755
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--- /dev/null
+++ b/src/test/generate-sym-test.py
@@ -0,0 +1,114 @@
+#!/usr/bin/env python3
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+import os
+import re
+import sys
+
+def process_sym_file(file):
+ for line in file:
+ m = re.search(r'^ +([a-zA-Z0-9_]+);', line)
+ if m:
+ if m[1] == 'sd_bus_object_vtable_format':
+ print(' {{"{0}", &{0}}},'.format(m[1]))
+ else:
+ print(' {{"{0}", {0}}},'.format(m[1]))
+
+def process_source_file(file):
+ for line in file:
+ # Functions
+ m = re.search(r'^_public_\s+(\S+\s+)+\**(\w+)\s*\(', line)
+ if m:
+ print(' {{ "{0}", {0} }},'.format(m[2]))
+ # Variables
+ m = re.search(r'^_public_\s+(\S+\s+)+\**(\w+)\s*=', line)
+ if m:
+ print(' {{ "{0}", &{0} }},'.format(m[2]))
+ # Functions defined through a macro
+ m = re.search(r'^DEFINE_PUBLIC_TRIVIAL_REF_FUNC\([^,]+,\s*(\w+)\s*\)', line)
+ if m:
+ print(' {{ "{0}_ref", {0}_ref }},'.format(m[1]))
+ m = re.search(r'^DEFINE_PUBLIC_TRIVIAL_UNREF_FUNC\([^,]+,\s*(\w+)\s*,', line)
+ if m:
+ print(' {{ "{0}_unref", {0}_unref }},'.format(m[1]))
+ m = re.search(r"^DEFINE_PUBLIC_TRIVIAL_REF_UNREF_FUNC\([^,]+,\s*(\w+)\s*,", line)
+ if m:
+ print(' {{ "{0}_ref", {0}_ref }},'.format(m[1]))
+ print(' {{ "{0}_unref", {0}_unref }},'.format(m[1]))
+
+print('''/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+''')
+
+for header in sys.argv[3:]:
+ print('#include "{}"'.format(header.split('/')[-1]))
+
+print('''
+/* We want to check deprecated symbols too, without complaining */
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+''')
+
+print('''
+struct symbol {
+ const char *name;
+ const void *symbol;
+};
+static struct symbol symbols_from_sym[] = {''')
+
+with open(sys.argv[1], "r") as f:
+ process_sym_file(f)
+
+print(''' {}
+}, symbols_from_source[] = {''')
+
+for dirpath, _, filenames in sorted(os.walk(sys.argv[2])):
+ for filename in sorted(filenames):
+ if not filename.endswith(".c") and not filename.endswith(".h"):
+ continue
+ with open(os.path.join(dirpath, filename), "r") as f:
+ process_source_file(f)
+
+print(''' {}
+};
+
+static int sort_callback(const void *a, const void *b) {
+ const struct symbol *x = a, *y = b;
+ return strcmp(x->name, y->name);
+}
+
+int main(void) {
+ size_t i, j;
+
+ qsort(symbols_from_sym, sizeof(symbols_from_sym)/sizeof(symbols_from_sym[0])-1, sizeof(symbols_from_sym[0]), sort_callback);
+ qsort(symbols_from_source, sizeof(symbols_from_source)/sizeof(symbols_from_source[0])-1, sizeof(symbols_from_source[0]), sort_callback);
+
+ puts("From symbol file:");
+ for (i = 0; symbols_from_sym[i].name; i++)
+ printf("%p: %s\\n", symbols_from_sym[i].symbol, symbols_from_sym[i].name);
+
+ puts("\\nFrom source files:");
+ for (j = 0; symbols_from_source[j].name; j++)
+ printf("%p: %s\\n", symbols_from_source[j].symbol, symbols_from_source[j].name);
+
+ puts("");
+ printf("Found %zu symbols from symbol file.\\n", i);
+ printf("Found %zu symbols from source files.\\n", j);
+
+ for (i = 0; symbols_from_sym[i].name; i++) {
+ struct symbol*n = bsearch(symbols_from_sym+i, symbols_from_source, sizeof(symbols_from_source)/sizeof(symbols_from_source[0])-1, sizeof(symbols_from_source[0]), sort_callback);
+ if (!n)
+ printf("Found in symbol file, but not in sources: %s\\n", symbols_from_sym[i].name);
+ }
+
+ for (j = 0; symbols_from_source[j].name; j++) {
+ struct symbol*n = bsearch(symbols_from_source+j, symbols_from_source, sizeof(symbols_from_sym)/sizeof(symbols_from_sym[0])-1, sizeof(symbols_from_sym[0]), sort_callback);
+ if (!n)
+ printf("Found in sources, but not in symbol file: %s\\n", symbols_from_source[i].name);
+ }
+
+ return i == j ? EXIT_SUCCESS : EXIT_FAILURE;
+}''')