diff options
Diffstat (limited to 'waflib/extras/syms.py')
m--------- | waflib | 0 | ||||
-rw-r--r-- | waflib/extras/syms.py | 84 |
2 files changed, 0 insertions, 84 deletions
diff --git a/waflib b/waflib new file mode 160000 +Subproject 2314e236ca6e7d94a26c3c17091da0f25f5867f diff --git a/waflib/extras/syms.py b/waflib/extras/syms.py deleted file mode 100644 index dfa0059..0000000 --- a/waflib/extras/syms.py +++ /dev/null @@ -1,84 +0,0 @@ -#! /usr/bin/env python -# encoding: utf-8 - -""" -This tool supports the export_symbols_regex to export the symbols in a shared library. -by default, all symbols are exported by gcc, and nothing by msvc. -to use the tool, do something like: - -def build(ctx): - ctx(features='c cshlib syms', source='a.c b.c', export_symbols_regex='mylib_.*', target='testlib') - -only the symbols starting with 'mylib_' will be exported. -""" - -import re -from waflib.Context import STDOUT -from waflib.Task import Task -from waflib.Errors import WafError -from waflib.TaskGen import feature, after_method - -class gen_sym(Task): - def run(self): - obj = self.inputs[0] - kw = {} - - reg = getattr(self.generator, 'export_symbols_regex', '.+?') - if 'msvc' in (self.env.CC_NAME, self.env.CXX_NAME): - re_nm = re.compile(r'External\s+\|\s+_(?P<symbol>%s)\b' % reg) - cmd = (self.env.DUMPBIN or ['dumpbin']) + ['/symbols', obj.abspath()] - else: - if self.env.DEST_BINFMT == 'pe': #gcc uses nm, and has a preceding _ on windows - re_nm = re.compile(r'(T|D)\s+_(?P<symbol>%s)\b' % reg) - elif self.env.DEST_BINFMT=='mac-o': - re_nm=re.compile(r'(T|D)\s+(?P<symbol>_?%s)\b' % reg) - else: - re_nm = re.compile(r'(T|D)\s+(?P<symbol>%s)\b' % reg) - cmd = (self.env.NM or ['nm']) + ['-g', obj.abspath()] - syms = [m.group('symbol') for m in re_nm.finditer(self.generator.bld.cmd_and_log(cmd, quiet=STDOUT, **kw))] - self.outputs[0].write('%r' % syms) - -class compile_sym(Task): - def run(self): - syms = {} - for x in self.inputs: - slist = eval(x.read()) - for s in slist: - syms[s] = 1 - lsyms = list(syms.keys()) - lsyms.sort() - if self.env.DEST_BINFMT == 'pe': - self.outputs[0].write('EXPORTS\n' + '\n'.join(lsyms)) - elif self.env.DEST_BINFMT == 'elf': - self.outputs[0].write('{ global:\n' + ';\n'.join(lsyms) + ";\nlocal: *; };\n") - elif self.env.DEST_BINFMT=='mac-o': - self.outputs[0].write('\n'.join(lsyms) + '\n') - else: - raise WafError('NotImplemented') - -@feature('syms') -@after_method('process_source', 'process_use', 'apply_link', 'process_uselib_local', 'propagate_uselib_vars') -def do_the_symbol_stuff(self): - def_node = self.path.find_or_declare(getattr(self, 'sym_file', self.target + '.def')) - compiled_tasks = getattr(self, 'compiled_tasks', None) - if compiled_tasks: - ins = [x.outputs[0] for x in compiled_tasks] - self.gen_sym_tasks = [self.create_task('gen_sym', x, x.change_ext('.%d.sym' % self.idx)) for x in ins] - self.create_task('compile_sym', [x.outputs[0] for x in self.gen_sym_tasks], def_node) - - link_task = getattr(self, 'link_task', None) - if link_task: - self.link_task.dep_nodes.append(def_node) - - if 'msvc' in (self.env.CC_NAME, self.env.CXX_NAME): - self.link_task.env.append_value('LINKFLAGS', ['/def:' + def_node.bldpath()]) - elif self.env.DEST_BINFMT == 'pe': - # gcc on windows takes *.def as an additional input - self.link_task.inputs.append(def_node) - elif self.env.DEST_BINFMT == 'elf': - self.link_task.env.append_value('LINKFLAGS', ['-Wl,-version-script', '-Wl,' + def_node.bldpath()]) - elif self.env.DEST_BINFMT=='mac-o': - self.link_task.env.append_value('LINKFLAGS',['-Wl,-exported_symbols_list,' + def_node.bldpath()]) - else: - raise WafError('NotImplemented') - |