No ARM, no 64-bit on some branches. Strength: Very easy to integrate for x86 disassembly only. Quick Comparison Table | Feature | SoftASM | Capstone | Zydis | |-----------------------|--------------|--------------|--------------| | x86_64 support | Partial | Full | Full | | ARM/AArch64 | No | Yes | No | | AVX-512 | No | Yes | Yes | | Python binding | No | Yes | Via third-party | | Actively maintained | No (legacy) | Yes | Yes | Migration Tip SoftASM uses a stateful, iterator-based API. Capstone’s cs_disasm_iter() works similarly, so replacing the core loop takes ~1 hour.
while (offset < size) disasm = asm_disassemble(handle, offset, code+offset, size-offset); // ...
cs_insn *insn; while (cs_disasm_iter(handle, code+offset, size-offset, &address, &insn)) // use insn->mnemonic, insn->op_str offset = insn->address + insn->size - address; cs_free(insn, 1);
Here are the three most capable for modern reverse engineering and binary analysis. 1. Capstone Engine (Best Overall Replacement) Capstone is the industry standard today. It supports 8+ architectures (x86, ARM, MIPS, PowerPC, SPARC, etc.) and provides a clean, thread-safe API.