Sync DWARF debug sections (#728)

ld_script.ld

@@ -1042,11 +1042,24 @@ SECTIONS {
         data/*.o(.rodata);
     } > ROM =0
 
+    /* DWARF debug sections.
+       Symbols in the DWARF debugging sections are relative to the beginning
+       of the section so we begin them at 0.  */
 
-    /* DWARF 2 sections */
+    /* DWARF 1 */
+    .debug          0 : { *(.debug) }
+    .line           0 : { *(.line) }
+
+    /* GNU DWARF 1 extensions */
+    .debug_srcinfo  0 : { *(.debug_srcinfo) }
+    .debug_sfnames  0 : { *(.debug_sfnames) }
+
+    /* DWARF 1.1 and DWARF 2 */
     .debug_aranges  0 : { *(.debug_aranges) }
     .debug_pubnames 0 : { *(.debug_pubnames) }
-    .debug_info     0 : { *(.debug_info) }
+
+    /* DWARF 2 */
+    .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
     .debug_abbrev   0 : { *(.debug_abbrev) }
     .debug_line     0 : { *(.debug_line) }
     .debug_frame    0 : { *(.debug_frame) }