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The value returned from tcg_qemu_tb_exec() is the value passed to the corresponding tcg_gen_exit_tb() at translation time of the last TB attempted to execute. It is a little confusing to store it in a variable named 'next_tb'. In fact, it is a combination of 4-byte aligned pointer and additional information in its two least significant bits. Break it down right away into two variables named 'last_tb' and 'tb_exit' which are a pointer to the last TB attempted to execute and the TB exit reason, correspondingly. This simplifies the code and improves its readability. Correct a misleading documentation comment for tcg_qemu_tb_exec() and fix logging in cpu_tb_exec(). Also rename a misleading 'next_tb' in another couple of places. Backports commit 819af24b9c1e95e6576f1cefd32f4d6bf56dfa56 from qemu |
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include | ||
msvc | ||
qemu | ||
samples | ||
tests | ||
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AUTHORS.TXT | ||
Brewfile | ||
ChangeLog | ||
config.mk | ||
COPYING | ||
COPYING.LGPL2 | ||
COPYING_GLIB | ||
CREDITS.TXT | ||
install-cmocka-linux.sh | ||
list.c | ||
make.sh | ||
Makefile | ||
msvc.bat | ||
pkgconfig.mk | ||
README.md | ||
uc.c | ||
windows_export.bat |
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.