Make the missing symbols script more useful.
If something's in POSIX, we don't need to show it in the glibc list.
If something's not implemented by glibc, we don't need to show it in the
POSIX list (because it's probably either a macro or obsolete).
Change-Id: Ied0f8d97d3fffb280c22e9cdf6782430d776c02f
diff --git a/libc/tools/check-symbols-glibc.py b/libc/tools/check-symbols-glibc.py
index 0c7e28e..153b840 100755
--- a/libc/tools/check-symbols-glibc.py
+++ b/libc/tools/check-symbols-glibc.py
@@ -81,12 +81,12 @@
'__xpg_basename': '__gnu_basename',
}
-glibc = GetSymbolsFromSystemSo('libc.so.*', 'librt.so.*', 'libpthread.so.*', 'libresolv.so.*', 'libm.so.*')
+glibc = GetSymbolsFromSystemSo('libc.so.*', 'librt.so.*', 'libpthread.so.*', 'libresolv.so.*', 'libm.so.*', 'libutil.so.*')
bionic = GetSymbolsFromAndroidSo('libc.so', 'libm.so')
posix = GetSymbolsFromTxt(os.path.join(os.path.dirname(os.path.realpath(__file__)), 'posix-2013.txt'))
ndk_ignored = GetNdkIgnored()
-glibc = map(MangleGlibcNameToBionic, glibc)
+glibc = set(map(MangleGlibcNameToBionic, glibc))
# bionic includes various BSD symbols to ease porting other BSD-licensed code.
bsd_stuff = set([
@@ -189,21 +189,26 @@
])
if not only_unwanted:
- print 'glibc:'
- for symbol in sorted(glibc):
- print symbol
+ #print 'glibc:'
+ #for symbol in sorted(glibc):
+ # print symbol
+ #print
- print
- print 'bionic:'
- for symbol in sorted(bionic):
- print symbol
+ #print 'bionic:'
+ #for symbol in sorted(bionic):
+ # print symbol
+ #print
- print
- print 'in posix but not bionic:'
- for symbol in sorted(posix.difference(bionic)):
+ print 'in glibc (but not posix) but not bionic:'
+ for symbol in sorted((glibc - posix).difference(bionic)):
print symbol
-
print
+
+ print 'in posix (and implemented in glibc) but not bionic:'
+ for symbol in sorted((posix.intersection(glibc)).difference(bionic)):
+ print symbol
+ print
+
print 'in bionic but not glibc:'
allowed_stuff = (bsd_stuff | FORTIFY_stuff | linux_stuff | macro_stuff |