Move UICommon/Disassembler to Common/HostDisassembler

A preliminary commit for a cleaner diff and an easier review

Source/Core/Common/CMakeLists.txt

@@ -75,6 +75,8 @@ add_library(common
   Hash.cpp
   Hash.h
   HookableEvent.h
+  HostDisassembler.cpp
+  HostDisassembler.h
   HttpRequest.cpp
   HttpRequest.h
   Image.cpp
@@ -180,6 +182,11 @@ PRIVATE
   ${VTUNE_LIBRARIES}
 )
 
+if ((DEFINED CMAKE_ANDROID_ARCH_ABI AND CMAKE_ANDROID_ARCH_ABI MATCHES "x86|x86_64") OR
+    (NOT DEFINED CMAKE_ANDROID_ARCH_ABI AND _M_X86_64))
+  target_link_libraries(common PRIVATE bdisasm)
+endif()
+
 if (APPLE)
   target_link_libraries(common
   PRIVATE
@@ -330,6 +337,28 @@ if(OPROFILE_FOUND)
   target_link_libraries(common PRIVATE OProfile::OProfile)
 endif()
 
+if(ENABLE_LLVM)
+  find_package(LLVM CONFIG)
+  if(LLVM_FOUND)
+    message(STATUS "LLVM found, enabling LLVM support in disassembler")
+    target_compile_definitions(common PRIVATE HAVE_LLVM)
+    # Minimal documentation about LLVM's CMake functions is available here:
+    # https://releases.llvm.org/16.0.0/docs/CMake.html#embedding-llvm-in-your-project
+    # https://groups.google.com/g/llvm-dev/c/YeEVe7HTasQ?pli=1
+    #
+    # However, you have to read the source code in any case.
+    # Look for LLVM-Config.cmake in your (Unix) system:
+    # $ find /usr -name LLVM-Config\\.cmake 2>/dev/null
+    llvm_expand_pseudo_components(LLVM_EXPAND_COMPONENTS
+      AllTargetsInfos AllTargetsDisassemblers AllTargetsCodeGens
+    )
+    llvm_config(common USE_SHARED
+      mcdisassembler target ${LLVM_EXPAND_COMPONENTS}
+    )
+    target_include_directories(common PRIVATE ${LLVM_INCLUDE_DIRS})
+  endif()
+endif()
+
 if(UNIX)
   # Posix networking code needs to be fixed for Windows
   add_executable(traversal_server TraversalServer.cpp)