Merge pull request #56555 from matthewbauer/wasm

Initial WebAssembly/WASI cross-compilation support

25 files changed, 1678 insertions, 31 deletions

diff --git a/lib/systems/default.nix b/lib/systems/default.nix
index b45a5fd8d2ba..5e6d277be7d5 100644
--- a/lib/systems/default.nix
+++ b/lib/systems/default.nix
@@ -30,6 +30,7 @@ rec {
       libc =
         /**/ if final.isDarwin              then "libSystem"
         else if final.isMinGW               then "msvcrt"
+        else if final.isWasi                then "wasilibc"
         else if final.isMusl                then "musl"
         else if final.isUClibc              then "uclibc"
         else if final.isAndroid             then "bionic"
@@ -62,7 +63,7 @@ rec {
           "netbsd" = "NetBSD";
           "freebsd" = "FreeBSD";
           "openbsd" = "OpenBSD";
-          "wasm" = "Wasm";
+          "wasi" = "Wasi";
         }.${final.parsed.kernel.name} or null;
 
          # uname -p
@@ -114,8 +115,8 @@ rec {
         then "${wine}/bin/${wine-name}"
         else if final.isLinux && pkgs.stdenv.hostPlatform.isLinux
         then "${qemu-user}/bin/qemu-${final.qemuArch}"
-        else if final.isWasm
-        then "${pkgs.v8}/bin/d8"
+        else if final.isWasi
+        then "${pkgs.wasmtime}/bin/wasmtime"
         else throw "Don't know how to run ${final.config} executables.";
 
     } // mapAttrs (n: v: v final.parsed) inspect.predicates
diff --git a/lib/systems/doubles.nix b/lib/systems/doubles.nix
index 2cf06b6ac1c8..c6877ebef0bc 100644
--- a/lib/systems/doubles.nix
+++ b/lib/systems/doubles.nix
@@ -17,6 +17,8 @@ let
     "x86_64-netbsd" "x86_64-openbsd" "x86_64-solaris"
 
     "x86_64-windows" "i686-windows"
+
+    "wasm64-wasi" "wasm32-wasi"
   ];
 
   allParsed = map parse.mkSystemFromString all;
@@ -45,6 +47,7 @@ in rec {
   netbsd  = filterDoubles predicates.isNetBSD;
   openbsd = filterDoubles predicates.isOpenBSD;
   unix    = filterDoubles predicates.isUnix;
+  wasi    = filterDoubles predicates.isWasi;
   windows = filterDoubles predicates.isWindows;
 
   mesaPlatforms = ["i686-linux" "x86_64-linux" "x86_64-darwin" "armv5tel-linux" "armv6l-linux" "armv7l-linux" "armv7a-linux" "aarch64-linux" "powerpc64le-linux"];
diff --git a/lib/systems/examples.nix b/lib/systems/examples.nix
index 1a5b80449bf2..94c7cfd7570f 100644
--- a/lib/systems/examples.nix
+++ b/lib/systems/examples.nix
@@ -116,7 +116,7 @@ rec {
     config = "aarch64-none-elf";
     libc = "newlib";
   };
-  
+
   aarch64be-embedded = {
     config = "aarch64_be-none-elf";
     libc = "newlib";
@@ -126,7 +126,7 @@ rec {
     config = "powerpc-none-eabi";
     libc = "newlib";
   };
-  
+
   ppcle-embedded = {
     config = "powerpcle-none-eabi";
     libc = "newlib";
@@ -211,4 +211,14 @@ rec {
     config = "x86_64-unknown-netbsd";
     libc = "nblibc";
   };
+
+  #
+  # WASM
+  #
+
+  wasi32 = {
+    config = "wasm32-unknown-wasi";
+    useLLVM = true;
+  };
+
 }
diff --git a/lib/systems/for-meta.nix b/lib/systems/for-meta.nix
index 51fb6ae760d1..17ae94deb7d1 100644
--- a/lib/systems/for-meta.nix
+++ b/lib/systems/for-meta.nix
@@ -32,6 +32,7 @@ in rec {
   openbsd = [ patterns.isOpenBSD ];
   unix    = patterns.isUnix; # Actually a list
   windows = [ patterns.isWindows ];
+  wasi    = [ patterns.isWasi ];
 
   inherit (lib.systems.doubles) mesaPlatforms;
 }
diff --git a/lib/systems/inspect.nix b/lib/systems/inspect.nix
index f8d5ca84d7aa..1c90af88879a 100644
--- a/lib/systems/inspect.nix
+++ b/lib/systems/inspect.nix
@@ -43,6 +43,7 @@ rec {
     isWindows      = { kernel = kernels.windows; };
     isCygwin       = { kernel = kernels.windows; abi = abis.cygnus; };
     isMinGW        = { kernel = kernels.windows; abi = abis.gnu; };
+    isWasi         = { kernel = kernels.wasi; };
 
     isAndroid      = [ { abi = abis.android; } { abi = abis.androideabi; } ];
     isMusl         = with abis; map (a: { abi = a; }) [ musl musleabi musleabihf ];
diff --git a/lib/systems/parse.nix b/lib/systems/parse.nix
index cd0a11c058e6..7f5912a13a75 100644
--- a/lib/systems/parse.nix
+++ b/lib/systems/parse.nix
@@ -226,6 +226,7 @@ rec {
     elf = {};
     macho = {};
     pe = {};
+    wasm = {};
 
     unknown = {};
   };
@@ -268,6 +269,7 @@ rec {
     none    = { execFormat = unknown; families = { }; };
     openbsd = { execFormat = elf;     families = { inherit bsd; }; };
     solaris = { execFormat = elf;     families = { }; };
+    wasi    = { execFormat = wasm;    families = { }; };
     windows = { execFormat = pe;      families = { }; };
   } // { # aliases
     # 'darwin' is the kernel for all of them. We choose macOS by default.
@@ -376,6 +378,8 @@ rec {
         then { cpu = elemAt l 0;                      kernel = elemAt l 1; abi = elemAt l 2; }
       else if (elemAt l 2 == "mingw32") # autotools breaks on -gnu for window
         then { cpu = elemAt l 0; vendor = elemAt l 1; kernel = "windows";                    }
+      else if (elemAt l 2 == "wasi")
+        then { cpu = elemAt l 0; vendor = elemAt l 1; kernel = "wasi";                       }
       else if hasPrefix "netbsd" (elemAt l 2)
         then { cpu = elemAt l 0; vendor = elemAt l 1;    kernel = elemAt l 2;                }
       else if (elem (elemAt l 2) ["eabi" "eabihf" "elf"])
diff --git a/pkgs/build-support/bintools-wrapper/default.nix b/pkgs/build-support/bintools-wrapper/default.nix
index 964ff1175538..e1ec09bc95a1 100644
--- a/pkgs/build-support/bintools-wrapper/default.nix
+++ b/pkgs/build-support/bintools-wrapper/default.nix
@@ -191,7 +191,8 @@ stdenv.mkDerivation {
       else if targetPlatform.isAvr then "avr"
       else if targetPlatform.isAlpha then "alpha"
       else throw "unknown emulation for platform: ${targetPlatform.config}";
-    in targetPlatform.platform.bfdEmulation or (fmt + sep + arch);
+    in if targetPlatform.useLLVM or false then ""
+       else targetPlatform.platform.bfdEmulation or (fmt + sep + arch);
 
   strictDeps = true;
   depsTargetTargetPropagated = extraPackages;
diff --git a/pkgs/build-support/cc-wrapper/default.nix b/pkgs/build-support/cc-wrapper/default.nix
index 91948f415714..84548a6b1dfb 100644
--- a/pkgs/build-support/cc-wrapper/default.nix
+++ b/pkgs/build-support/cc-wrapper/default.nix
@@ -347,6 +347,10 @@ stdenv.mkDerivation {
       hardening_unsupported_flags+=" stackprotector fortify"
     ''
 
+    + optionalString targetPlatform.isWasm ''
+      hardening_unsupported_flags+=" stackprotector fortify pie pic"
+    ''
+
     + optionalString (libc != null && targetPlatform.isAvr) ''
       for isa in avr5 avr3 avr4 avr6 avr25 avr31 avr35 avr51 avrxmega2 avrxmega4 avrxmega5 avrxmega6 avrxmega7 tiny-stack; do
         echo "-B${getLib libc}/avr/lib/$isa" >> $out/nix-support/libc-cflags
diff --git a/pkgs/development/compilers/llvm/8/compiler-rt.nix b/pkgs/development/compilers/llvm/8/compiler-rt.nix
index 47c8b7bd59f5..2b591cc94aff 100644
--- a/pkgs/development/compilers/llvm/8/compiler-rt.nix
+++ b/pkgs/development/compilers/llvm/8/compiler-rt.nix
@@ -19,6 +19,8 @@ stdenv.mkDerivation rec {
     "-DCOMPILER_RT_BUILD_LIBFUZZER=OFF"
     "-DCOMPILER_RT_BUILD_PROFILE=OFF"
     "-DCOMPILER_RT_BAREMETAL_BUILD=ON"
+    #https://stackoverflow.com/questions/53633705/cmake-the-c-compiler-is-not-able-to-compile-a-simple-test-program
+    "-DCMAKE_TRY_COMPILE_TARGET_TYPE=STATIC_LIBRARY"
     "-DCMAKE_SIZEOF_VOID_P=${toString (stdenv.hostPlatform.parsed.cpu.bits / 8)}"
   ] ++ stdenv.lib.optionals stdenv.hostPlatform.isMusl [
     "-DCOMPILER_RT_BUILD_SANITIZERS=OFF"
@@ -53,7 +55,7 @@ stdenv.mkDerivation rec {
   '';
 
   # Hack around weird upsream RPATH bug
-  postInstall = stdenv.lib.optionalString stdenv.isDarwin ''
+  postInstall = stdenv.lib.optionalString (stdenv.hostPlatform.isDarwin || stdenv.hostPlatform.isWasm) ''
     ln -s "$out/lib"/*/* "$out/lib"
   '' + stdenv.lib.optionalString (stdenv.hostPlatform.useLLVM or false) ''
     ln -s $out/lib/*/clang_rt.crtbegin-*.o $out/lib/crtbegin.o
diff --git a/pkgs/development/compilers/llvm/8/default.nix b/pkgs/development/compilers/llvm/8/default.nix
index 3503e6b83d2e..48cf9e5e589c 100644
--- a/pkgs/development/compilers/llvm/8/default.nix
+++ b/pkgs/development/compilers/llvm/8/default.nix
@@ -97,13 +97,17 @@ let
         targetLlvmLibraries.libcxx
         targetLlvmLibraries.libcxxabi
         targetLlvmLibraries.compiler-rt
+      ] ++ stdenv.lib.optionals (!stdenv.targetPlatform.isWasm) [
         targetLlvmLibraries.libunwind
       ];
       extraBuildCommands = ''
         echo "-target ${stdenv.targetPlatform.config}" >> $out/nix-support/cc-cflags
         echo "-rtlib=compiler-rt -Wno-unused-command-line-argument" >> $out/nix-support/cc-cflags
         echo "-B${targetLlvmLibraries.compiler-rt}/lib" >> $out/nix-support/cc-cflags
+      '' + stdenv.lib.optionalString (!stdenv.targetPlatform.isWasm) ''
         echo "--unwindlib=libunwind" >> $out/nix-support/cc-cflags
+      '' + stdenv.lib.optionalString stdenv.targetPlatform.isWasm ''
+        echo "-fno-exceptions" >> $out/nix-support/cc-cflags
       '' + mkExtraBuildCommands cc;
     };
 
diff --git a/pkgs/development/compilers/llvm/8/libc++/default.nix b/pkgs/development/compilers/llvm/8/libc++/default.nix
index d0a5c37c4148..3d67c37dcdd7 100644
--- a/pkgs/development/compilers/llvm/8/libc++/default.nix
+++ b/pkgs/development/compilers/llvm/8/libc++/default.nix
@@ -1,4 +1,5 @@
-{ lib, stdenv, fetch, cmake, python, libcxxabi, fixDarwinDylibNames, version }:
+{ lib, stdenv, fetch, cmake, python, libcxxabi, fixDarwinDylibNames, version
+, enableShared ? true }:
 
 stdenv.mkDerivation rec {
   name = "libc++-${version}";
@@ -22,7 +23,8 @@ stdenv.mkDerivation rec {
   '' + lib.optionalString stdenv.hostPlatform.isMusl ''
     patchShebangs utils/cat_files.py
   '';
-  nativeBuildInputs = [ cmake ] ++ stdenv.lib.optional stdenv.hostPlatform.isMusl python;
+  nativeBuildInputs = [ cmake ]
+    ++ stdenv.lib.optional (stdenv.hostPlatform.isMusl || stdenv.hostPlatform.isWasi) python;
 
   buildInputs = [ libcxxabi ] ++ lib.optional stdenv.isDarwin fixDarwinDylibNames;
 
@@ -30,8 +32,13 @@ stdenv.mkDerivation rec {
     "-DLIBCXX_LIBCXXABI_LIB_PATH=${libcxxabi}/lib"
     "-DLIBCXX_LIBCPPABI_VERSION=2"
     "-DLIBCXX_CXX_ABI=libcxxabi"
-  ] ++ stdenv.lib.optional stdenv.hostPlatform.isMusl "-DLIBCXX_HAS_MUSL_LIBC=1"
-    ++ stdenv.lib.optional (stdenv.hostPlatform.useLLVM or false) "-DLIBCXX_USE_COMPILER_RT=ON";
+  ] ++ stdenv.lib.optional (stdenv.hostPlatform.isMusl || stdenv.hostPlatform.isWasi) "-DLIBCXX_HAS_MUSL_LIBC=1"
+    ++ stdenv.lib.optional (stdenv.hostPlatform.useLLVM or false) "-DLIBCXX_USE_COMPILER_RT=ON"
+    ++ stdenv.lib.optional stdenv.hostPlatform.isWasm [
+      "-DLIBCXX_ENABLE_THREADS=OFF"
+      "-DLIBCXX_ENABLE_FILESYSTEM=OFF"
+      "-DLIBCXX_ENABLE_EXCEPTIONS=OFF"
+    ] ++ stdenv.lib.optional (!enableShared) "-DLIBCXX_ENABLE_SHARED=OFF";
 
   enableParallelBuilding = true;
 
@@ -46,6 +53,6 @@ stdenv.mkDerivation rec {
     homepage = http://libcxx.llvm.org/;
     description = "A new implementation of the C++ standard library, targeting C++11";
     license = with stdenv.lib.licenses; [ ncsa mit ];
-    platforms = stdenv.lib.platforms.unix;
+    platforms = stdenv.lib.platforms.all;
   };
 }
diff --git a/pkgs/development/compilers/llvm/8/libc++abi.nix b/pkgs/development/compilers/llvm/8/libc++abi.nix
index 0eb5ebca5159..bb5b368267f2 100644
--- a/pkgs/development/compilers/llvm/8/libc++abi.nix
+++ b/pkgs/development/compilers/llvm/8/libc++abi.nix
@@ -1,4 +1,5 @@
-{ stdenv, cmake, fetch, libcxx, libunwind, llvm, version }:
+{ stdenv, cmake, fetch, libcxx, libunwind, llvm, version
+, enableShared ? true }:
 
 stdenv.mkDerivation {
   name = "libc++abi-${version}";
@@ -6,13 +7,20 @@ stdenv.mkDerivation {
   src = fetch "libcxxabi" "1k875f977ybdkpdnr9105wa6hccy9qvpd9xd42n75h7p56bdxmn2";
 
   nativeBuildInputs = [ cmake ];
-  buildInputs = stdenv.lib.optional (!stdenv.isDarwin && !stdenv.isFreeBSD) libunwind;
+  buildInputs = stdenv.lib.optional (!stdenv.isDarwin && !stdenv.isFreeBSD && !stdenv.hostPlatform.isWasm) libunwind;
 
   cmakeFlags = stdenv.lib.optionals (stdenv.hostPlatform.useLLVM or false) [
     "-DLLVM_ENABLE_LIBCXX=ON"
     "-DLIBCXXABI_USE_LLVM_UNWINDER=ON"
+  ] ++ stdenv.lib.optionals stdenv.hostPlatform.isWasm [
+    "-DLIBCXXABI_ENABLE_THREADS=OFF"
+    "-DLIBCXXABI_ENABLE_EXCEPTIONS=OFF"
+  ] ++ stdenv.lib.optionals (!enableShared) [
+    "-DLIBCXXABI_ENABLE_SHARED=OFF"
   ];
 
+  patches = [ ./libcxxabi-no-threads.patch ];
+
   postUnpack = ''
     unpackFile ${libcxx.src}
     unpackFile ${llvm.src}
@@ -21,6 +29,8 @@ stdenv.mkDerivation {
     export TRIPLE=x86_64-apple-darwin
   '' + stdenv.lib.optionalString stdenv.hostPlatform.isMusl ''
     patch -p1 -d $(ls -d libcxx-*) -i ${../libcxx-0001-musl-hacks.patch}
+  '' + stdenv.lib.optionalString stdenv.hostPlatform.isWasm ''
+    patch -p1 -d $(ls -d llvm-*) -i ${./libcxxabi-wasm.patch}
   '';
 
   installPhase = if stdenv.isDarwin
@@ -39,8 +49,9 @@ stdenv.mkDerivation {
     else ''
       install -d -m 755 $out/include $out/lib
       install -m 644 lib/libc++abi.a $out/lib
-      install -m 644 lib/libc++abi.so.1.0 $out/lib
       install -m 644 ../include/cxxabi.h $out/include
+    '' + stdenv.lib.optionalString enableShared ''
+      install -m 644 lib/libc++abi.so.1.0 $out/lib
       ln -s libc++abi.so.1.0 $out/lib/libc++abi.so
       ln -s libc++abi.so.1.0 $out/lib/libc++abi.so.1
     '';
@@ -50,6 +61,6 @@ stdenv.mkDerivation {
     description = "A new implementation of low level support for a standard C++ library";
     license = with stdenv.lib.licenses; [ ncsa mit ];
     maintainers = with stdenv.lib.maintainers; [ vlstill ];
-    platforms = stdenv.lib.platforms.unix;
+    platforms = stdenv.lib.platforms.all;
   };
 }
diff --git a/pkgs/development/compilers/llvm/8/libcxxabi-no-threads.patch b/pkgs/development/compilers/llvm/8/libcxxabi-no-threads.patch
new file mode 100644
index 000000000000..787f3e16500e
--- /dev/null
+++ b/pkgs/development/compilers/llvm/8/libcxxabi-no-threads.patch
@@ -0,0 +1,12 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 4138acf..41b4763 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -362,6 +362,7 @@ if (NOT LIBCXXABI_ENABLE_THREADS)
+                         " is also set to ON.")
+   endif()
+   add_definitions(-D_LIBCXXABI_HAS_NO_THREADS)
++  add_definitions(-D_LIBCPP_HAS_NO_THREADS)
+ endif()
+ 
+ if (LIBCXXABI_HAS_EXTERNAL_THREAD_API)
diff --git a/pkgs/development/compilers/llvm/8/libcxxabi-wasm.patch b/pkgs/development/compilers/llvm/8/libcxxabi-wasm.patch
new file mode 100644
index 000000000000..4ebfe46aa813
--- /dev/null
+++ b/pkgs/development/compilers/llvm/8/libcxxabi-wasm.patch
@@ -0,0 +1,16 @@
+diff --git a/cmake/modules/HandleLLVMOptions.cmake b/cmake/modules/HandleLLVMOptions.cmake
+index 15497d405e0..33f7f18193a 100644
+--- a/cmake/modules/HandleLLVMOptions.cmake
++++ b/cmake/modules/HandleLLVMOptions.cmake
+@@ -127,7 +127,10 @@ else(WIN32)
+       set(LLVM_HAVE_LINK_VERSION_SCRIPT 1)
+     endif()
+   else(FUCHSIA OR UNIX)
+-    MESSAGE(SEND_ERROR "Unable to determine platform")
++    if(${CMAKE_SYSTEM_NAME} MATCHES "Wasi")
++    else()
++      MESSAGE(SEND_ERROR "Unable to determine platform")
++    endif()
+   endif(FUCHSIA OR UNIX)
+ endif(WIN32)
+ 
diff --git a/pkgs/development/interpreters/wasmtime/cargo-lock.patch b/pkgs/development/interpreters/wasmtime/cargo-lock.patch
new file mode 100644
index 000000000000..be5bd0ab3d3e
--- /dev/null
+++ b/pkgs/development/interpreters/wasmtime/cargo-lock.patch
@@ -0,0 +1,1481 @@
+diff --git a/Cargo.lock b/Cargo.lock
+new file mode 100644
+index 0000000..f702de1
+--- /dev/null
++++ b/Cargo.lock
+@@ -0,0 +1,1475 @@
++[[package]]
++name = "aho-corasick"
++version = "0.7.3"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++dependencies = [
++ "memchr 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
++]
++
++[[package]]
++name = "ansi_term"
++version = "0.11.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++dependencies = [
++ "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
++]
++
++[[package]]
++name = "arrayvec"
++version = "0.4.10"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++dependencies = [
++ "nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
++]
++
++[[package]]
++name = "atty"
++version = "0.2.11"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++dependencies = [
++ "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
++ "termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
++ "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
++]
++
++[[package]]
++name = "autocfg"
++version = "0.1.2"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++
++[[package]]
++name = "backtrace"
++version = "0.3.15"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++dependencies = [
++ "autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
++ "backtrace-sys 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
++ "cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
++ "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
++ "rustc-demangle 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
++ "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
++]
++
++[[package]]
++name = "backtrace-sys"
++version = "0.1.28"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++dependencies = [
++ "cc 1.0.35 (registry+https://github.com/rust-lang/crates.io-index)",
++ "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
++]
++
++[[package]]
++name = "bindgen"
++version = "0.49.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++dependencies = [
++ "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
++ "cexpr 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
++ "cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
++ "clang-sys 0.28.0 (registry+https://github.com/rust-lang/crates.io-index)",
++ "clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)",
++ "env_logger 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
++ "hashbrown 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
++ "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
++ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
++ "peeking_take_while 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
++ "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
++ "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
++ "regex 1.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
++ "shlex 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
++ "which 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
++]
++
++[[package]]
++name = "bitflags"
++version = "1.0.4"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++
++[[package]]
++name = "byteorder"
++version = "1.3.1"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++
++[[package]]
++name = "capstone"
++version = "0.5.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++dependencies = [
++ "capstone-sys 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
++]
++
++[[package]]
++name = "capstone-sys"
++version = "0.9.1"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++dependencies = [
++ "cc 1.0.35 (registry+https://github.com/rust-lang/crates.io-index)",
++]
++
++[[package]]
++name = "cast"
++version = "0.2.2"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++
++[[package]]
++name = "cc"
++version = "1.0.35"
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