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Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc, X86)

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Richard Henderson a868533297 tcg: Add TCG_OPF_NOT_PRESENT if TCG_TARGET_HAS_foo is negative If INDEX_op_foo is always expanded by tcg_expand_vec_op, then there may be no reasonable set of constraints to return from tcg_target_op_def for that opcode. Let TCG_TARGET_HAS_foo be specified as -1 in that case. Thus a boolean test for TCG_TARGET_HAS_foo is true, but we will not assert within process_op_defs when no constraints are specified. Compare this with tcg_can_emit_vec_op, which already uses this tri-state indication. Backports commit 25c012b4009256505be3430480954a0233de343e from qemu		2019-05-24 18:28:11 -04:00
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README.md

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

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.