Add optional wgpu feature

Cargo.toml

@@ -16,13 +16,17 @@ publish = false
 lto = "thin"
 strip = "debuginfo"
 
+[features]
+default = []
+wgpu = ["eframe/wgpu"]
+
 [dependencies]
 anyhow = "1.0.68"
 bytes = "1.3.0"
 cfg-if = "1.0.0"
 const_format = "0.2.30"
 cwdemangle = "0.1.4"
-eframe = { version = "0.20.1", features = ["persistence"] } # , "wgpu"
+eframe = { version = "0.20.1", features = ["persistence"] }
 egui = "0.20.1"
 egui_extras = "0.20.0"
 flagset = "0.4.3"

src/main.rs

@@ -46,7 +46,10 @@ fn main() {
             log::warn!("Failed to load application icon: {}", e);
         }
     }
-    // native_options.renderer = eframe::Renderer::Wgpu;
+    #[cfg(feature = "wgpu")]
+    {
+        native_options.renderer = eframe::Renderer::Wgpu;
+    }
     eframe::run_native(
         "objdiff",
         native_options,

src/obj/elf.rs

@@ -246,7 +246,7 @@ fn relocations_by_section(
             );
             match kind {
                 ObjRelocKind::Absolute => addend as i64,
-                ObjRelocKind::MipsHi16 => ((addend & 0x0000FFFF) << 16) as i16 as i64,
+                ObjRelocKind::MipsHi16 => ((addend & 0x0000FFFF) << 16) as i32 as i64,
                 ObjRelocKind::MipsLo16
                 | ObjRelocKind::MipsGot16
                 | ObjRelocKind::MipsCall16