Merge pull request #527 from khuey/dwarf5-misc

Miscellaneous changes for split-dwarf

src/common.rs

@@ -306,6 +306,9 @@ impl SectionId {
             SectionId::DebugAbbrev => ".debug_abbrev.dwo",
             SectionId::DebugInfo => ".debug_info.dwo",
             SectionId::DebugLine => ".debug_line.dwo",
+            // The debug_loc section can be present in the dwo when using the
+            // GNU split-dwarf extension to DWARF4.
+            SectionId::DebugLoc => ".debug_loc.dwo",
             SectionId::DebugLocLists => ".debug_loclists.dwo",
             SectionId::DebugMacro => ".debug_macro.dwo",
             SectionId::DebugStr => ".debug_str.dwo",

src/read/dwarf.rs

@@ -639,6 +639,15 @@ impl<R: Reader> Unit<R> {
     pub fn entries_raw(&self, offset: Option<UnitOffset<R::Offset>>) -> Result<EntriesRaw<R>> {
         self.header.entries_raw(&self.abbreviations, offset)
     }
+
+    /// Copy attributes that are subject to relocation from another unit. This is intended
+    /// to be used to copy attributes from a skeleton compilation unit to the corresponding
+    /// split compilation unit.
+    pub fn copy_relocated_attributes(&mut self, other: &Unit<R>) {
+        self.low_pc = other.low_pc;
+        self.addr_base = other.addr_base;
+        self.rnglists_base = other.rnglists_base;
+    }
 }
 
 impl<T: ReaderOffset> UnitSectionOffset<T> {