diff options
Diffstat (limited to 'scripts/glibcextract.py')
| -rw-r--r-- | scripts/glibcextract.py | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/scripts/glibcextract.py b/scripts/glibcextract.py index ecc4d5b..06f712a 100644 --- a/scripts/glibcextract.py +++ b/scripts/glibcextract.py @@ -136,12 +136,19 @@ def compute_macro_consts(source_text, cc, macro_re, exclude_re=None): return compute_c_consts(sym_data, cc) -def compare_macro_consts(source_1, source_2, cc, macro_re, exclude_re=None): +def compare_macro_consts(source_1, source_2, cc, macro_re, exclude_re=None, + allow_extra_1=False, allow_extra_2=False): """Compare the values of macros defined by two different sources. The sources would typically be includes of a glibc header and a - kernel header. Return 1 if there were any differences, 0 if the - macro values were the same. + kernel header. If allow_extra_1, the first source may define + extra macros (typically if the kernel headers are older than the + version glibc has taken definitions from); if allow_extra_2, the + second source may define extra macros (typically if the kernel + headers are newer than the version glibc has taken definitions + from). Return 1 if there were any differences other than those + allowed, 0 if the macro values were the same apart from any + allowed differences. """ macros_1 = compute_macro_consts(source_1, cc, macro_re, exclude_re) @@ -150,13 +157,19 @@ def compare_macro_consts(source_1, source_2, cc, macro_re, exclude_re=None): return 0 print('First source:\n%s\n' % source_1) print('Second source:\n%s\n' % source_2) + ret = 0 for name, value in sorted(macros_1.items()): if name not in macros_2: print('Only in first source: %s' % name) + if not allow_extra_1: + ret = 1 elif macros_1[name] != macros_2[name]: print('Different values for %s: %s != %s' % (name, macros_1[name], macros_2[name])) + ret = 1 for name in sorted(macros_2.keys()): if name not in macros_1: print('Only in second source: %s' % name) - return 1 + if not allow_extra_2: + ret = 1 + return ret |