89 lines
3.1 KiB
Ruby
89 lines
3.1 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/1.0.1.tar.gz"
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sha256 "3a6a4f2b8c405ab009040ca43af8e4aa10ebe44d9c8b336aa36dc35df955017c"
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head "https://github.com/unicorn-engine/unicorn.git"
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bottle do
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cellar :any
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sha256 "b873f9b4fcec5aceac0cc978e75f6d82bc133f78fbe3509bab2b8674e1c58d5b" => :mojave
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sha256 "a12e18a0a334fa19a2dc54a43fc5d56861e31cf5a9ad352cb1150bb6ec61703c" => :high_sierra
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sha256 "81d29e7f28335317dd40976d904636ccd7d0679b71747ad13530dc991f327122" => :sierra
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sha256 "3519d8189333c5ae43eb618e18db7b6be4cf9cc288c6a45ca3b618964d62395c" => :el_capitan
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sha256 "f8c7cb546985c5e34dddb2c2e338314d024e266085fcbdc3f7e52e0f426e4e29" => :yosemite
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end
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option "with-all", "Build with support for ARM64, Motorola 64k, PowerPC and "\
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"SPARC"
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option "with-debug", "Create a debug build"
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option "with-test", "Test build"
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depends_on "pkg-config" => :build
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depends_on "cmocka" => :build if build.with? "test"
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def install
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archs = %w[x86 x86_64 arm mips]
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archs += %w[aarch64 m64k ppc sparc] if build.with?("all")
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ENV["PREFIX"] = prefix
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ENV["UNICORN_ARCHS"] = archs.join " "
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ENV["UNICORN_SHARED"] = "yes"
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if build.with?("debug")
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ENV["UNICORN_DEBUG"] = "yes"
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else
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ENV["UNICORN_DEBUG"] = "no"
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end
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system "make"
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system "make", "test" if build.with?("test")
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system "make", "install"
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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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end
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end
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