homebrew-core/Formula/unicorn.rb
2018-02-23 16:06:49 +00:00

88 lines
3 KiB
Ruby

class Unicorn < Formula
desc "Lightweight multi-architecture CPU emulation framework"
homepage "https://www.unicorn-engine.org/"
url "https://github.com/unicorn-engine/unicorn/archive/1.0.1.tar.gz"
sha256 "3a6a4f2b8c405ab009040ca43af8e4aa10ebe44d9c8b336aa36dc35df955017c"
head "https://github.com/unicorn-engine/unicorn.git"
bottle do
cellar :any
sha256 "a12e18a0a334fa19a2dc54a43fc5d56861e31cf5a9ad352cb1150bb6ec61703c" => :high_sierra
sha256 "81d29e7f28335317dd40976d904636ccd7d0679b71747ad13530dc991f327122" => :sierra
sha256 "3519d8189333c5ae43eb618e18db7b6be4cf9cc288c6a45ca3b618964d62395c" => :el_capitan
sha256 "f8c7cb546985c5e34dddb2c2e338314d024e266085fcbdc3f7e52e0f426e4e29" => :yosemite
end
option "with-all", "Build with support for ARM64, Motorola 64k, PowerPC and "\
"SPARC"
option "with-debug", "Create a debug build"
option "with-test", "Test build"
depends_on "pkg-config" => :build
depends_on "cmocka" => :build if build.with? "test"
def install
archs = %w[x86 x86_64 arm mips]
archs += %w[aarch64 m64k ppc sparc] if build.with?("all")
ENV["PREFIX"] = prefix
ENV["UNICORN_ARCHS"] = archs.join " "
ENV["UNICORN_SHARED"] = "yes"
if build.with?("debug")
ENV["UNICORN_DEBUG"] = "yes"
else
ENV["UNICORN_DEBUG"] = "no"
end
system "make"
system "make", "test" if build.with?("test")
system "make", "install"
end
test do
(testpath/"test1.c").write <<~EOS
/* Adapted from https://www.unicorn-engine.org/docs/tutorial.html
* shamelessly and without permission. This almost certainly needs
* replacement, but for now it should be an OK placeholder
* assertion that the libraries are intact and available.
*/
#include <stdio.h>
#include <unicorn/unicorn.h>
#define X86_CODE32 "\x41\x4a"
#define ADDRESS 0x1000000
int main(int argc, char *argv[]) {
uc_engine *uc;
uc_err err;
int r_ecx = 0x1234;
int r_edx = 0x7890;
err = uc_open(UC_ARCH_X86, UC_MODE_32, &uc);
if (err != UC_ERR_OK) {
fprintf(stderr, "Failed on uc_open() with error %u.\\n", err);
return -1;
}
uc_mem_map(uc, ADDRESS, 2 * 1024 * 1024, UC_PROT_ALL);
if (uc_mem_write(uc, ADDRESS, X86_CODE32, sizeof(X86_CODE32) - 1)) {
fputs("Failed to write emulation code to memory.\\n", stderr);
return -1;
}
uc_reg_write(uc, UC_X86_REG_ECX, &r_ecx);
uc_reg_write(uc, UC_X86_REG_EDX, &r_edx);
err = uc_emu_start(uc, ADDRESS, ADDRESS + sizeof(X86_CODE32) - 1, 0, 0);
if (err) {
fprintf(stderr, "Failed on uc_emu_start with error %u (%s).\\n",
err, uc_strerror(err));
return -1;
}
uc_close(uc);
puts("Emulation complete.");
return 0;
}
EOS
system ENV.cc, "-o", testpath/"test1", testpath/"test1.c",
"-lpthread", "-lm", "-L#{lib}", "-lunicorn"
system testpath/"test1"
end
end