tools: Use bundled copy of objdump to simplify setup

.gitignore

@@ -29,5 +29,4 @@ perf.mData.old
 .gdb_history
 
 .DS_Store
-tools/aarch64-none-elf-objdump
 toolchain/clang/

tools/diff_settings.py

@@ -1,4 +1,18 @@
 from pathlib import Path
+import platform
+
+
+ROOT = Path(__file__).resolve().parent.parent
+
+
+def get_tools_bin_dir():
+    path = ROOT / 'tools' / 'nx-decomp-tools-binaries'
+    system = platform.system()
+    if system == "Linux":
+        return str(path) + "/linux/"
+    if system == "Darwin":
+        return str(path) + "/macos/"
+    return ""
 
 
 def apply(config, args):
@@ -6,7 +20,7 @@ def apply(config, args):
     config['baseimg'] = 'data/main.elf'
     config['myimg'] = 'build/uking'
     config['source_directories'] = ['src', 'lib']
-    config['objdump_executable'] = 'tools/aarch64-none-elf-objdump'
+    config['objdump_executable'] = get_tools_bin_dir() + 'aarch64-none-elf-objdump'
 
     for dir in ('build', 'build/nx64-release'):
         if (Path(dir) / 'build.ninja').is_file():