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Change sym_check to filter non-stdlib symbols.

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Currently sym_check almost all names found in the binary, including those
which are defined in other libraries. This makes our ABI lists harder to maintain.

This patch adds a --only-stdlib-symbols option to sym_check which removes
all symbols which aren't possibly provided by libc++. It also re-generates
the linux ABI list after making this change.


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@287294 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Fiselier
2016-11-18 01:40:20 +00:00
parent a93ebeca94
commit 0d6941834c
6 changed files with 1948 additions and 2013 deletions
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7
utils/sym_check/sym_diff.py
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@@ -27,6 +27,9 @@ def main():
'--removed-only', dest='removed_only',
help='Only print removed symbols',
action='store_true', default=False)
parser.add_argument('--only-stdlib-symbols', dest='only_stdlib',
help="Filter all symbols not related to the stdlib",
action='store_true', default=False)
parser.add_argument(
'-o', '--output', dest='output',
help='The output file. stdout is used if not given',
@@ -44,6 +47,10 @@ def main():
old_syms_list = util.extract_or_load(args.old_syms)
new_syms_list = util.extract_or_load(args.new_syms)
if args.only_stdlib:
old_syms_list, _ = util.filter_stdlib_symbols(old_syms_list)
new_syms_list, _ = util.filter_stdlib_symbols(new_syms_list)
added, removed, changed = diff.diff(old_syms_list, new_syms_list)
if args.removed_only:
added = {}