asmjit
perfect6502
| asmjit | perfect6502 | |
|---|---|---|
| 9 | 3 | |
| 3,820 | 295 | |
| 1.3% | - | |
| 8.0 | 0.0 | |
| 4 days ago | 9 months ago | |
| C++ | C | |
| zlib License | MIT License |
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asmjit
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The 6502 instruction set as a database
Some other instruction sets in some JSON: https://github.com/asmjit/asmjit/tree/master/db
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30 years of DOOM: new code, new bugs
The attentive reader may notice that this code is from a third-party library. So, we didn't want to include it in the article at first. However, we found something interesting. In 2017, somebody opened an issue in the asmjit project: the GCC 7.2 compiler issued a warning to the code above. The project authors fixed it:
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How do I get the registers of a process in C++?
You can use something like https://asmjit.com/ to generate and call x64 code at runtime.
- Ask HN: Recommendation for general purpose JIT compiler
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Compiler Design in C++
But an easy to create a JIT would be to use https://github.com/asmjit/asmjit, which is used in RPCS3.
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Are there any low level, cross platform assembly languages that allow jumping to non labels?
You could go the way of https://asmjit.com (or forth) and make it your assembler DSL on top of the low-level call.
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C++ libraries for filtering collections and expression trees
But if you're willing to get closer to the hardware is https://github.com/bitfunnel/nativejit/ and https://asmjit.com/
- AsmJit
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Wrapping dynamically generated void(*)() pointers in try-catch?
https://github.com/asmjit/asmjit is nice. But using a JIT seems like a sledgehammer working around a lacking design.
perfect6502
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The 6502 instruction set as a database
Likely useful: https://github.com/mist64/perfect6502 and http://www.visual6502.org/. These are transistor-level simulations based on die shots. From these you can derive the cycle times of each instruction with 100% confidence.
- Perfect6502, an emulator that performs a simulation of the original 6502 netlist
What are some alternatives?
fasmg - flat assembler g - adaptable assembly engine
mir - A lightweight JIT compiler based on MIR (Medium Internal Representation) and C11 JIT compiler and interpreter based on MIR
oneDNN - oneAPI Deep Neural Network Library (oneDNN)
mlibc - Portable C standard library
dynarmic - An ARM dynamic recompiler.
Cwerg - The best C-like language that can be implemented in 10kLOC.
ChrysaLisp - Parallel OS, with GUI, Terminal, OO Assembler, Class libraries, C-Script compiler, Lisp interpreter and more...
minivm - A VM That is Dynamic and Fast
mcsema - Framework for lifting x86, amd64, aarch64, sparc32, and sparc64 program binaries to LLVM bitcode
sljit - Platform independent low-level JIT compiler
qbe-rs - QBE IR in natural Rust data structures
bf_jit - Over-engineered JIT compiler for bf