76 lines
3.0 KiB
Ruby
76 lines
3.0 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/2.0.0.tar.gz"
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sha256 "67b445c760e2bbac663e8c8bc410e43311c7fc92df4dfa8d90e06a021d07f634"
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license "GPL-2.0"
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head "https://github.com/unicorn-engine/unicorn.git", branch: "master"
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bottle do
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sha256 cellar: :any, arm64_monterey: "7aab257cfb71ae35a05ad57f9403f318eb00d72bcef0ba8cd7bb1c589a1b3853"
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sha256 cellar: :any, arm64_big_sur: "830145199dbb7748b9e5a5f98914e92a010e393864156462fcea1bb351be8fd4"
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sha256 cellar: :any, monterey: "ad5055198c408a6a7a2a1a31dc197be3a0fe17d0ffe9429f7c3d7f46b896ef1b"
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sha256 cellar: :any, big_sur: "bea80a84bc5b02e7a3f6c4823bbd1df374a6a19be367271c18932d0d6ee5fc6b"
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sha256 cellar: :any, catalina: "dcae27581f0a38a4a788d316f2a21028594b828a4d104e51f19df86b7e2aabcd"
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sha256 cellar: :any_skip_relocation, x86_64_linux: "61d94aa6ca35118429ff913104b9e7d409bc12bc48b480f0e4fc81b509f2847a"
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end
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depends_on "cmake" => :build
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depends_on "pkg-config" => :build
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def install
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system "cmake", "-S", ".", "-B", "build", *std_cmake_args, "-DUNICORN_SHARE=yes"
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system "cmake", "--build", "build"
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system "cmake", "--install", "build"
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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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"-pthread", "-lpthread", "-lm", "-L#{lib}", "-lunicorn"
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system testpath/"test1"
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end
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end
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