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42b238b45b
Python2 did not validate locale correctness when reading input data, so would happily read UTF-8 data in non-UTF-8 locales. Python3 is strict so if you try to read UTF-8 data in the C locale, it will raise an error for any UTF-8 bytes that aren't representable in 7-bit ascii encoding. e.g. UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 54: ordinal not in range(128) Traceback (most recent call last): File "/tmp/qemu-test/src/scripts/qapi-commands.py", line 317, in <module> schema = QAPISchema(input_file) File "/tmp/qemu-test/src/scripts/qapi.py", line 1468, in __init__ parser = QAPISchemaParser(open(fname, 'r')) File "/tmp/qemu-test/src/scripts/qapi.py", line 301, in __init__ previously_included) File "/tmp/qemu-test/src/scripts/qapi.py", line 348, in _include exprs_include = QAPISchemaParser(fobj, previously_included, info) File "/tmp/qemu-test/src/scripts/qapi.py", line 271, in __init__ self.src = fp.read() File "/usr/lib64/python3.5/encodings/ascii.py", line 26, in decode return codecs.ascii_decode(input, self.errors)[0] More background on this can be seen in https://www.python.org/dev/peps/pep-0538/ Many distros support a new C.UTF-8 locale that is like the C locale, but with UTF-8 instead of 7-bit ASCII. That is not entirely portable though. This patch thus sets the LANG to "C", but overrides LC_CTYPE to be en_US.UTF-8 locale. This gets us pretty close to C.UTF-8, but in a way that should be portable to everywhere QEMU builds. This patch only forces UTF-8 for QAPI scripts, since that is the one showing the immediate error under Python3 with C locale, but potentially we ought to force this for all python scripts used in the build process. Backports commit d4e5ec877ca698a87dabe68814c6f93668f50c60 from qemu |
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Unicorn Engine
Unicorn is a lightweight, multi-platform, multi-architecture CPU emulator framework based on QEMU.
Unicorn offers some unparalleled features:
- Multi-architecture: ARM, ARM64 (ARMv8), M68K, MIPS, SPARC, and X86 (16, 32, 64-bit)
- Clean/simple/lightweight/intuitive architecture-neutral API
- Implemented in pure C language, with bindings for Crystal, Clojure, Visual Basic, Perl, Rust, Ruby, Python, Java, .NET, Go, Delphi/Free Pascal and Haskell.
- Native support for Windows & *nix (with Mac OSX, Linux, *BSD & Solaris confirmed)
- High performance via Just-In-Time compilation
- Support for fine-grained instrumentation at various levels
- Thread-safety by design
- Distributed under free software license GPLv2
Further information is available at http://www.unicorn-engine.org
License
This project is released under the GPL license.
Compilation & Docs
See docs/COMPILE.md file for how to compile and install Unicorn.
More documentation is available in docs/README.md.
Contact
Contact us via mailing list, email or twitter for any questions.
Contribute
If you want to contribute, please pick up something from our Github issues.
We also maintain a list of more challenged problems in a TODO list.
CREDITS.TXT records important contributors of our project.