Kbuild: Add a option to enable dwarf4 v2

[deliverable/linux.git] / lib / Kconfig.debug

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 910355da9d143718447062579da7a746bad701bf..d70f203ce710d6a5f8da91fe4246722429940065 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -158,6 +158,15 @@ config DEBUG_INFO_SPLIT
          to know about the .dwo files and include them.
          Incompatible with older versions of ccache.
 
+config DEBUG_INFO_DWARF4
+       bool "Generate dwarf4 debuginfo"
+       depends on DEBUG_INFO
+       help
+         Generate dwarf4 debug info. This requires recent versions
+         of gcc and gdb. It makes the debug information larger.
+         But it significantly improves the success of resolving
+         variables in gdb on optimized code.
+
 config ENABLE_WARN_DEPRECATED
        bool "Enable __deprecated logic"
        default y