diff options
Diffstat (limited to 'mesonbuild/scripts/symbolextractor.py')
| -rw-r--r-- | mesonbuild/scripts/symbolextractor.py | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/mesonbuild/scripts/symbolextractor.py b/mesonbuild/scripts/symbolextractor.py index d393f933e..f4084bea8 100644 --- a/mesonbuild/scripts/symbolextractor.py +++ b/mesonbuild/scripts/symbolextractor.py @@ -113,11 +113,23 @@ def gnu_syms(libfilename: str, outfilename: str): continue line_split = line.split() entry = line_split[0:2] - if len(line_split) >= 4: + # Store the size of symbols pointing to data objects so we relink + # when those change, which is needed because of copy relocations + # https://github.com/mesonbuild/meson/pull/7132#issuecomment-628353702 + if line_split[1].upper() in ('B', 'G', 'D') and len(line_split) >= 4: entry += [line_split[3]] result += [' '.join(entry)] write_if_changed('\n'.join(result) + '\n', outfilename) +def solaris_syms(libfilename: str, outfilename: str): + # gnu_syms() works with GNU nm & readelf, not Solaris nm & elfdump + origpath = os.environ['PATH'] + try: + os.environ['PATH'] = '/usr/gnu/bin:' + origpath + gnu_syms(libfilename, outfilename) + finally: + os.environ['PATH'] = origpath + def osx_syms(libfilename: str, outfilename: str): # Get the name of the library output = call_tool('otool', ['-l', libfilename]) @@ -139,6 +151,23 @@ def osx_syms(libfilename: str, outfilename: str): result += [' '.join(x.split()[0:2]) for x in output.split('\n')] write_if_changed('\n'.join(result) + '\n', outfilename) +def openbsd_syms(libfilename: str, outfilename: str): + # Get the name of the library + output = call_tool('readelf', ['-d', libfilename]) + if not output: + dummy_syms(outfilename) + return + result = [x for x in output.split('\n') if 'SONAME' in x] + assert(len(result) <= 1) + # Get a list of all symbols exported + output = call_tool('nm', ['-D', '-P', '-g', libfilename]) + if not output: + dummy_syms(outfilename) + return + # U = undefined (cope with the lack of --defined-only option) + result += [' '.join(x.split()[0:2]) for x in output.split('\n') if x and not x.endswith('U ')] + write_if_changed('\n'.join(result) + '\n', outfilename) + def cygwin_syms(impfilename: str, outfilename: str): # Get the name of the library output = call_tool('dlltool', ['-I', impfilename]) @@ -234,6 +263,8 @@ def gen_symbols(libfilename: str, impfilename: str, outfilename: str, cross_host gnu_syms(libfilename, outfilename) elif mesonlib.is_osx(): osx_syms(libfilename, outfilename) + elif mesonlib.is_openbsd(): + openbsd_syms(libfilename, outfilename) elif mesonlib.is_windows(): if os.path.isfile(impfilename): windows_syms(impfilename, outfilename) @@ -248,6 +279,8 @@ def gen_symbols(libfilename: str, impfilename: str, outfilename: str, cross_host # No import library. Not sure how the DLL is being used, so just # rebuild everything that links to it every time. dummy_syms(outfilename) + elif mesonlib.is_sunos(): + solaris_syms(libfilename, outfilename) else: if not os.path.exists(TOOL_WARNING_FILE): mlog.warning('Symbol extracting has not been implemented for this ' |