Initial support for line number info

src/obj/ppc.rs

@@ -1,3 +1,5 @@
+use std::collections::BTreeMap;
+
 use anyhow::Result;
 use ppc750cl::{disasm_iter, Argument};
 
@@ -19,6 +21,7 @@ pub fn process_code(
     data: &[u8],
     address: u64,
     relocs: &[ObjReloc],
+    line_info: &Option<BTreeMap<u32, u32>>,
 ) -> Result<(Vec<u8>, Vec<ObjIns>)> {
     let ins_count = data.len() / 4;
     let mut ops = Vec::<u8>::with_capacity(ins_count);
@@ -74,6 +77,9 @@ pub fn process_code(
             }
         }
         ops.push(simplified.ins.op as u8);
+        let line = line_info
+            .as_ref()
+            .and_then(|map| map.range(..=simplified.ins.addr).last().map(|(_, &b)| b));
         insts.push(ObjIns {
             address: simplified.ins.addr,
             code: simplified.ins.code,
@@ -82,6 +88,7 @@ pub fn process_code(
             reloc: reloc.cloned(),
             op: 0,
             branch_dest: None,
+            line,
         });
     }
     Ok((ops, insts))