Alexander Thomas
b5c63ce757
* Migrate to python3; drop python support. * Update Windows toolchain support. * Remove some unused methods. * Python 2.7 is still needed on Windows. * Update gsutil to a version that supports python3. Fixes: https://github.com/dart-lang/sdk/issues/28793 TEST=Manually tested common user journeys. Change-Id: I663a22b237a548bb82dc2e601e399e3bc3649211 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/192182 Reviewed-by: William Hesse <whesse@google.com> Reviewed-by: Alexander Aprelev <aam@google.com>
135 lines
5.1 KiB
Python
Executable File
135 lines
5.1 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file
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# for details. All rights reserved. Use of this source code is governed by a
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# BSD-style license that can be found in the LICENSE file.
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# Generates an assembly source file the defines a symbol with the bytes from
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# a given file.
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import os
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import sys
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from optparse import OptionParser
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def Main():
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parser = OptionParser()
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parser.add_option(
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"--output",
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action="store",
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type="string",
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help="output assembly file name")
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parser.add_option(
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"--input", action="store", type="string", help="input binary blob file")
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parser.add_option("--symbol_name", action="store", type="string")
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parser.add_option("--executable", action="store_true", default=False)
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parser.add_option("--target_os", action="store", type="string")
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parser.add_option("--size_symbol_name", action="store", type="string")
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parser.add_option("--target_arch", action="store", type="string")
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(options, args) = parser.parse_args()
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if not options.output:
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sys.stderr.write("--output not specified\n")
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parser.print_help()
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return -1
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if not options.input:
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sys.stderr.write("--input not specified\n")
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parser.print_help()
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return -1
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if not os.path.isfile(options.input):
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sys.stderr.write("input file does not exist: %s\n" % options.input)
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parser.print_help()
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return -1
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if not options.symbol_name:
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sys.stderr.write("--symbol_name not specified\n")
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parser.print_help()
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return -1
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if not options.target_os:
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sys.stderr.write("--target_os not specified\n")
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parser.print_help()
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return -1
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with open(options.output, "w") as output_file:
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if options.target_os in ["mac", "ios"]:
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if options.executable:
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output_file.write(".text\n")
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else:
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output_file.write(".const\n")
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output_file.write(".global _%s\n" % options.symbol_name)
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output_file.write(".balign 32\n")
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output_file.write("_%s:\n" % options.symbol_name)
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elif options.target_os in ["win"]:
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output_file.write("ifndef _ML64_X64\n")
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output_file.write(".model flat, C\n")
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output_file.write("endif\n")
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if options.executable:
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output_file.write(".code\n")
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else:
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output_file.write(".const\n")
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output_file.write("public %s\n" % options.symbol_name)
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output_file.write("%s label byte\n" % options.symbol_name)
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else:
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if options.executable:
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output_file.write(".text\n")
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output_file.write(".type %s STT_FUNC\n" % options.symbol_name)
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else:
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output_file.write(".section .rodata\n")
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output_file.write(".type %s STT_OBJECT\n" % options.symbol_name)
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output_file.write(".global %s\n" % options.symbol_name)
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output_file.write(".balign 32\n")
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output_file.write("%s:\n" % options.symbol_name)
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size = 0
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with open(options.input, "rb") as input_file:
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if options.target_os in ["win"]:
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for byte in input_file.read():
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output_file.write("byte %d\n" % (byte if isinstance(byte, int) else ord(byte)))
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size += 1
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else:
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for byte in input_file.read():
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output_file.write(".byte %d\n" % (byte if isinstance(byte, int) else ord(byte)))
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size += 1
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if options.target_os not in ["mac", "ios", "win"]:
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output_file.write(".size {0}, .-{0}\n".format(options.symbol_name))
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if options.size_symbol_name:
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if not options.target_arch:
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sys.stderr.write("--target_arch not specified\n")
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parser.print_help()
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return -1
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is64bit = 0
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if options.target_arch:
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if options.target_arch in ["arm64", "x64"]:
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is64bit = 1
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if options.target_os in ["win"]:
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output_file.write("public %s\n" % options.size_symbol_name)
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output_file.write("%s label byte\n" % options.size_symbol_name)
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if (is64bit == 1):
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output_file.write("qword %d\n" % size)
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else:
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output_file.write("dword %d\n" % size)
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else:
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if options.target_os in ["mac", "ios"]:
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output_file.write(
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".global _%s\n" % options.size_symbol_name)
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output_file.write("_%s:\n" % options.size_symbol_name)
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else:
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output_file.write(".global %s\n" % options.size_symbol_name)
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output_file.write("%s:\n" % options.size_symbol_name)
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if (is64bit == 1):
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output_file.write(".quad %d\n" % size)
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else:
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output_file.write(".long %d\n" % size)
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if options.target_os in ["win"]:
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output_file.write("end\n")
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return 0
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if __name__ == "__main__":
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sys.exit(Main())
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