Output a header file

src/codegen.rs

@@ -0,0 +1,17 @@
+use std::io::Write;
+
+use crate::error::Error;
+use crate::symbols::FunctionSymbol;
+
+pub fn write_header<W: Write>(symbols: &[FunctionSymbol], mut out: W) -> Result<(), Error> {
+    for symbol in symbols {
+        writeln!(
+            out,
+            "#define {}_ADDR 0x{:X}",
+            symbol.name().to_uppercase(),
+            symbol.addr()
+        )?;
+    }
+
+    Ok(())
+}

src/main.rs

@@ -10,6 +10,7 @@ use object::{Object, ObjectSection};
 use crate::error::Error;
 use crate::symbols::ObjectProperties;
 
+pub mod codegen;
 pub mod defns;
 pub mod error;
 pub mod patterns;
@@ -58,7 +59,9 @@ fn run(source_path: &Path, exe_path: &Path, out_path: &Path) -> Result<(), Error
             log::warn!("Some of the patterns have failed:\n{message}",);
         }
 
+        codegen::write_header(&syms, File::create(out_path.with_extension("h"))?)?;
         symbols::generate(syms, props, File::create(out_path)?)?;
+
         log::info!("Written the debug symbols to {}", out_path.display());
     } else {
         log::error!("Code section missing from the executable, nothing to do")

src/symbols.rs

@@ -289,6 +289,14 @@ impl FunctionSymbol {
     pub(crate) fn new(name: String, typ: FunctionType, addr: u64) -> Self {
         Self { name, typ, addr }
     }
+
+    pub fn name(&self) -> &str {
+        &self.name
+    }
+
+    pub fn addr(&self) -> u64 {
+        self.addr
+    }
 }
 
 #[derive(Debug)]