Add Linux build support for Wii U loaderHEADmaster

2 files changed, 51 insertions, 25 deletions

diff --git a/src/elf_common/elf_reader.h b/src/elf_common/elf_reader.h
index 1c6a389..23ab7cd 100644
--- a/src/elf_common/elf_reader.h
+++ b/src/elf_common/elf_reader.h
@@ -202,9 +202,8 @@ public:
 
   void print() {
     this->printHeader();
-    this->printSegment();
+    this->printSegments();
     this->printSections();
-    this->printSymbols();
   }
 
   bool verifyHeader() {
diff --git a/src/wiiu/CMakeLists.txt b/src/wiiu/CMakeLists.txt
index 0d723cc..637900c 100644
--- a/src/wiiu/CMakeLists.txt
+++ b/src/wiiu/CMakeLists.txt
@@ -1,4 +1,5 @@
 cmake_minimum_required(VERSION 3.27)
+
 project(wiiuldr LANGUAGES CXX)
 
 set(CMAKE_CXX_STANDARD 17)
@@ -7,30 +8,43 @@ set(CMAKE_CXX_EXTENSIONS OFF)
 
 set(REPO_ROOT "${CMAKE_CURRENT_SOURCE_DIR}/../..")
 set(ELF_COMMON_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../elf_common")
-set(IDA_SDK_ROOT "${REPO_ROOT}/third_party/ida-sdk/src")
-set(IDA_INCLUDE_DIR "${IDA_SDK_ROOT}/include")
-set(IDA_LOADER_DIR "${IDA_SDK_ROOT}/ldr")
-set(IDA_LIBRARY "${IDA_SDK_ROOT}/lib/x64_win_64/ida.lib")
 
-if(NOT EXISTS "${IDA_INCLUDE_DIR}/ida.hpp")
-    message(FATAL_ERROR
-        "The ida-sdk submodule was not found at ${IDA_SDK_ROOT}. "
-        "Initialize submodules before configuring this project.")
-endif()
+list(APPEND CMAKE_MODULE_PATH "${REPO_ROOT}/cmake")
 
-if(NOT EXISTS "${IDA_LIBRARY}")
-    message(FATAL_ERROR
-        "The 64-bit Windows IDA import library was not found at ${IDA_LIBRARY}.")
-endif()
+find_package(IDA)
 
-if(NOT MSVC)
-    message(FATAL_ERROR "The Wii U loader is configured for Visual Studio/MSVC builds.")
+if(NOT IDA_SDK_FOUND)
+    message(FATAL_ERROR "IDA SDK not found. Set IDA_SDK_DIR or IDA_SDK.")
 endif()
 
-if(NOT CMAKE_SIZEOF_VOID_P EQUAL 8)
-    message(FATAL_ERROR "Build the Wii U loader with a 64-bit generator (-A x64).")
+set(IDA_INSTALL_DIR "$ENV{IDADIR}" CACHE PATH "IDA installation directory")
+
+if(UNIX AND NOT APPLE)
+    find_library(IDA_SHARED_LIBRARY
+        NAMES ida libida.so
+        PATHS "${IDA_INSTALL_DIR}"
+        NO_DEFAULT_PATH
+    )
+
+    if(NOT IDA_SHARED_LIBRARY)
+        message(FATAL_ERROR
+            "libida.so not found. Set IDADIR to your IDA installation directory.")
+    endif()
+
+    set(IDA_RUNTIME_LIBS "${IDA_SHARED_LIBRARY}")
+    set(WIIU_LOADER_SUFFIX ".so")
+elseif(WIN32)
+    set(IDA_RUNTIME_LIBS "${IDA_LIBRARIES}")
+    set(WIIU_LOADER_SUFFIX ".dll")
+else()
+    message(FATAL_ERROR "This CMakeLists currently supports Linux and Windows only.")
 endif()
 
+message(STATUS "IDA SDK: ${IDA_SDK_PATH}")
+message(STATUS "IDA include dir: ${IDA_INCLUDE_DIR}")
+message(STATUS "IDA runtime libs: ${IDA_RUNTIME_LIBS}")
+message(STATUS "Wii U loader suffix: ${WIIU_LOADER_SUFFIX}")
+
 set(SOURCES
     "${ELF_COMMON_PATH}/elf_reader.h"
     "${ELF_COMMON_PATH}/elf.h"
@@ -44,20 +58,33 @@ add_library(wiiuldr SHARED ${SOURCES})
 
 target_include_directories(wiiuldr PRIVATE
     "${IDA_INCLUDE_DIR}"
-    "${IDA_LOADER_DIR}"
+    "${IDA_SDK_PATH}/ldr"
     "${ELF_COMMON_PATH}"
 )
 
+set(IDA_COMPILE_DEFS "")
+foreach(def ${IDA_DEFINITIONS})
+    string(REGEX REPLACE "^-D" "" defname "${def}")
+    list(APPEND IDA_COMPILE_DEFS "${defname}")
+endforeach()
+
 target_compile_definitions(wiiuldr PRIVATE
-    __IDP__
-    __EA64__
+    ${IDA_COMPILE_DEFS}
 )
 
-target_link_libraries(wiiuldr PRIVATE "${IDA_LIBRARY}")
+target_link_libraries(wiiuldr PRIVATE
+    ${IDA_RUNTIME_LIBS}
+)
+
+if(UNIX AND NOT APPLE)
+    set_target_properties(wiiuldr PROPERTIES
+        BUILD_RPATH "${IDA_INSTALL_DIR}"
+        INSTALL_RPATH "${IDA_INSTALL_DIR}"
+    )
+endif()
 
 set_target_properties(wiiuldr PROPERTIES
-    MSVC_RUNTIME_LIBRARY "MultiThreadedDLL"
     OUTPUT_NAME "wiiu"
     PREFIX ""
-    SUFFIX ".dll"
+    SUFFIX "${WIIU_LOADER_SUFFIX}"
 )