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83 lines
2.3 KiB
Python
Executable File
83 lines
2.3 KiB
Python
Executable File
#!/usr/bin/env python
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# This file is part of Darling.
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#
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# Copyright (C) 2017 Lubos Dolezel
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#
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# Darling is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Darling is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Darling. If not, see <http://www.gnu.org/licenses/>.
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import sys
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import subprocess
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def usage():
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print("Usage: %s <Mach-O> <output directory>" % sys.argv[0])
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if len(sys.argv) != 3:
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usage()
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macho = sys.argv[1]
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dest = sys.argv[2]
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out = subprocess.check_output(["nm", "-Ug", macho])
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functions = []
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for line in out.splitlines():
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if line == "":
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continue
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address, id, name = line.split(" ")
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# Remove the underscore
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name = name[1 : ]
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if id == "T":
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functions.append(name)
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header = open(dest + "/functions.h", "w")
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source = open(dest + "/functions.c", "w")
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copyright ="""/*
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This file is part of Darling.
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Copyright (C) 2018 Lubos Dolezel
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Darling is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Darling is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Darling. If not, see <http://www.gnu.org/licenses/>.
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*/
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"""
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header.write(copyright)
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source.write(copyright)
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source.write("""
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#include <stdlib.h>
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static int verbose = 0;
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__attribute__((constructor)) static void initme(void) {
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verbose = getenv("STUB_VERBOSE") != NULL;
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}
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""")
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for funcname in functions:
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header.write("void* %s(void);\n" % funcname)
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source.write("void* %s(void) { if (verbose) puts(\"STUB: %s called\"); return NULL; }\n" % (funcname, funcname))
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