82 lines
2.8 KiB
Ruby
82 lines
2.8 KiB
Ruby
class Unicorn < Formula
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desc "Lightweight multi-architecture CPU emulation framework"
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homepage "https://www.unicorn-engine.org/"
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url "https://github.com/unicorn-engine/unicorn/archive/1.0.2.tar.gz"
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sha256 "6400e16f9211486fa5353b1870e6a82f8aa342e429718d1cbca08d609aaadc52"
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revision 1
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head "https://github.com/unicorn-engine/unicorn.git"
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bottle do
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sha256 cellar: :any, big_sur: "0df92b5a73a27807376ab728337601fabf538e8c94e68e26436f5b4ef76c52c8"
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sha256 cellar: :any, catalina: "db49e0948f773702635011471c36b5782c47f3b360986cc606050d2ea5d419c5"
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sha256 cellar: :any, mojave: "fd6267dea877a4ef1f949397195aff710c8aca8d4473db396731212043f665ac"
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end
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depends_on "pkg-config" => :build
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depends_on "python@3.9" => [:build, :test]
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def install
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ENV["PREFIX"] = prefix
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ENV["UNICORN_ARCHS"] = "x86 x86_64 arm mips aarch64 m64k ppc sparc"
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ENV["UNICORN_SHARED"] = "yes"
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ENV["UNICORN_DEBUG"] = "no"
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system "make"
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system "make", "install"
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cd "bindings/python" do
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system Formula["python@3.9"].opt_bin/"python3", *Language::Python.setup_install_args(prefix)
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end
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end
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test do
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(testpath/"test1.c").write <<~EOS
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/* Adapted from https://www.unicorn-engine.org/docs/tutorial.html
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* shamelessly and without permission. This almost certainly needs
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* replacement, but for now it should be an OK placeholder
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* assertion that the libraries are intact and available.
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*/
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#include <stdio.h>
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#include <unicorn/unicorn.h>
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#define X86_CODE32 "\x41\x4a"
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#define ADDRESS 0x1000000
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int main(int argc, char *argv[]) {
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uc_engine *uc;
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uc_err err;
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int r_ecx = 0x1234;
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int r_edx = 0x7890;
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err = uc_open(UC_ARCH_X86, UC_MODE_32, &uc);
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if (err != UC_ERR_OK) {
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fprintf(stderr, "Failed on uc_open() with error %u.\\n", err);
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return -1;
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}
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uc_mem_map(uc, ADDRESS, 2 * 1024 * 1024, UC_PROT_ALL);
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if (uc_mem_write(uc, ADDRESS, X86_CODE32, sizeof(X86_CODE32) - 1)) {
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fputs("Failed to write emulation code to memory.\\n", stderr);
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return -1;
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}
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uc_reg_write(uc, UC_X86_REG_ECX, &r_ecx);
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uc_reg_write(uc, UC_X86_REG_EDX, &r_edx);
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err = uc_emu_start(uc, ADDRESS, ADDRESS + sizeof(X86_CODE32) - 1, 0, 0);
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if (err) {
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fprintf(stderr, "Failed on uc_emu_start with error %u (%s).\\n",
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err, uc_strerror(err));
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return -1;
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}
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uc_close(uc);
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puts("Emulation complete.");
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return 0;
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}
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EOS
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system ENV.cc, "-o", testpath/"test1", testpath/"test1.c",
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"-lpthread", "-lm", "-L#{lib}", "-lunicorn"
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system testpath/"test1"
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system Formula["python@3.9"].opt_bin/"python3", "-c", "import unicorn; print(unicorn.__version__)"
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end
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end
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