WIP objdiff 3.0 refactor

objdiff-core/tests/common.rs

@@ -0,0 +1,57 @@
+use objdiff_core::{
+    diff::{DiffObjConfig, SymbolDiff},
+    obj::Object,
+};
+
+pub fn display_diff(
+    obj: &Object,
+    diff: &SymbolDiff,
+    symbol_idx: usize,
+    diff_config: &DiffObjConfig,
+) -> String {
+    let mut output = String::new();
+    for row in &diff.instruction_rows {
+        output.push('[');
+        let mut separator = false;
+        objdiff_core::diff::display::display_row(
+            &obj,
+            symbol_idx,
+            row,
+            &diff_config,
+            |text, diff_idx| {
+                if separator {
+                    output.push_str(", ");
+                } else {
+                    separator = true;
+                }
+                output.push_str(&format!("({:?}, {:?})", text, diff_idx.get()));
+                Ok(())
+            },
+        )
+        .unwrap();
+        output.push_str("]\n");
+    }
+    output
+}
+
+#[repr(C)]
+pub struct AlignedAs<Align, Bytes: ?Sized> {
+    pub _align: [Align; 0],
+    pub bytes: Bytes,
+}
+
+#[macro_export]
+macro_rules! include_bytes_align_as {
+    ($align_ty:ty, $path:literal) => {{
+        static ALIGNED: &common::AlignedAs<$align_ty, [u8]> =
+            &common::AlignedAs { _align: [], bytes: *include_bytes!($path) };
+        &ALIGNED.bytes
+    }};
+}
+
+#[macro_export]
+macro_rules! include_object {
+    ($path:literal) => {
+        include_bytes_align_as!(u32, $path)
+    };
+}