5ffed9b856
Hiding our legacy cruft seemed like a good idea, but in practice it will only mean worse interoperability. Plus we got it wrong, as the recent `putw` example showed. Change-Id: I167c7168eff133889028089c22a7a0dfb8d6d0cf
67 lines
2.2 KiB
Python
Executable file
67 lines
2.2 KiB
Python
Executable file
#!/usr/bin/python
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# This tool is used to generate the version scripts for libc and libm
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# for every architecture.
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import atexit
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import os.path
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import shutil
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import tempfile
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import sys
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all_arches = ["arm", "arm64", "mips", "mips64", "x86", "x86_64"]
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bionic_libc_root = os.path.join(os.environ["ANDROID_BUILD_TOP"], "bionic/libc")
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bionic_libm_root = os.path.join(os.environ["ANDROID_BUILD_TOP"], "bionic/libm")
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bionic_libdl_root = os.path.join(os.environ["ANDROID_BUILD_TOP"], "bionic/libdl")
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libc_script = os.path.join(bionic_libc_root, "libc.map.txt")
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libm_script = os.path.join(bionic_libm_root, "libm.map.txt")
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libdl_script = os.path.join(bionic_libdl_root, "libdl.map.txt")
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libstdcxx_script = os.path.join(bionic_libc_root, "libstdc++.map.txt")
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script_name = os.path.basename(sys.argv[0])
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# TODO (dimity): generate architecture-specific version scripts as part of build
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# temp directory where we store all intermediate files
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bionic_temp = tempfile.mkdtemp(prefix="bionic_genversionscripts")
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# Make sure the directory is deleted when the script exits.
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atexit.register(shutil.rmtree, bionic_temp)
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bionic_libc_root = os.path.join(os.environ["ANDROID_BUILD_TOP"], "bionic/libc")
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warning = "Generated by %s. Do not edit." % script_name
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def has_arch_tags(tags):
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for arch in all_arches:
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if arch in tags:
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return True
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return False
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class VersionScriptGenerator(object):
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def run(self):
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for script in [libc_script, libstdcxx_script, libm_script, libdl_script]:
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basename = os.path.basename(script)
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dirname = os.path.dirname(script)
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for arch in all_arches:
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name = basename.split(".")[0] + "." + arch + ".map"
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tmp_path = os.path.join(bionic_temp, name)
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dest_path = os.path.join(dirname, name)
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with open(tmp_path, "w") as fout:
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with open(script, "r") as fin:
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fout.write("# %s\n" % warning)
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for line in fin:
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index = line.find("#")
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if index != -1:
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tags = line[index+1:].split()
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if arch not in tags and has_arch_tags(tags):
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continue
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fout.write(line)
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shutil.copyfile(tmp_path, dest_path)
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generator = VersionScriptGenerator()
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generator.run()
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