Support for automatic loading of <filename>.debug and <filename>.dSYM

1 files changed, 58 insertions, 2 deletions

diff --git a/rust/examples/dwarf/dwarf_import/src/helpers.rs b/rust/examples/dwarf/dwarf_import/src/helpers.rs
index 7127b2b8..691c5751 100644
--- a/rust/examples/dwarf/dwarf_import/src/helpers.rs
+++ b/rust/examples/dwarf/dwarf_import/src/helpers.rs
@@ -478,8 +478,14 @@ pub(crate) fn download_debug_info(build_id: &String, view: &BinaryView) -> Resul
 }
 
 
-pub(crate) fn find_local_debug_file(build_id: &String, view: &BinaryView) -> Option<String> {
+pub(crate) fn find_local_debug_file_for_build_id(build_id: &String, view: &BinaryView) -> Option<String> {
     let settings = Settings::new("");
+    let debug_dirs_enabled = settings.get_bool("analysis.debugInfo.enableDebugDirectories", Some(view), None);
+
+    if !debug_dirs_enabled {
+        return None;
+    }
+
     let debug_info_paths = settings.get_string_list("analysis.debugInfo.debugDirectories", Some(view), None);
 
     if debug_info_paths.is_empty() {
@@ -518,7 +524,7 @@ pub(crate) fn find_local_debug_file(build_id: &String, view: &BinaryView) -> Opt
 
 
 pub(crate) fn load_debug_info_for_build_id(build_id: &String, view: &BinaryView) -> (Option<Ref<BinaryView>>, bool) {
-    if let Some(debug_file_path) = find_local_debug_file(build_id, view) {
+    if let Some(debug_file_path) = find_local_debug_file_for_build_id(build_id, view) {
         return
         (
             binaryninja::load_with_options(
@@ -537,3 +543,53 @@ pub(crate) fn load_debug_info_for_build_id(build_id: &String, view: &BinaryView)
     }
     (None, false)
 }
+
+
+pub(crate) fn find_sibling_debug_file(view: &BinaryView) -> Option<String> {
+    let settings = Settings::new("");
+    let load_sibling_debug = settings.get_bool("analysis.debugInfo.loadSiblingDebugFiles", Some(view), None);
+
+    if !load_sibling_debug {
+        return None;
+    }
+
+    let filename = view.file().filename().to_string();
+
+    let debug_file = PathBuf::from(format!("{}.debug", filename));
+    let dsym_folder = PathBuf::from(format!("{}.dSYM/", filename));
+    if debug_file.exists() && debug_file.is_file() {
+        return Some(debug_file.to_string_lossy().to_string());
+    }
+
+    if dsym_folder.exists() && dsym_folder.is_dir() {
+        let dsym_file = dsym_folder
+            .join("Contents/Resources/DWARF/")
+            .join(filename); // TODO: should this just pull any file out? Can there be multiple files?
+        if dsym_file.exists() {
+            return Some(dsym_file.to_string_lossy().to_string());
+        }
+    }
+
+    None
+}
+
+
+pub(crate) fn load_sibling_debug_file(view: &BinaryView) -> (Option<Ref<BinaryView>>, bool) {
+    let Some(debug_file) = find_sibling_debug_file(view) else {
+        return (None, false);
+    };
+
+    let load_settings = match view.default_platform() {
+        Some(plat) => format!("{{\"analysis.debugInfo.internal\": false, \"loader.platform\": \"{}\"}}", plat.name()),
+        None => "{\"analysis.debugInfo.internal\": false}".to_string()
+    };
+
+    (
+        binaryninja::load_with_options(
+            debug_file,
+            false,
+            Some(load_settings)
+        ),
+        false
+    )
+}