diff options
| author | Sami Tolvanen <samitolvanen@google.com> | 2025-01-03 20:45:23 +0000 |
|---|---|---|
| committer | Masahiro Yamada <masahiroy@kernel.org> | 2025-01-11 01:25:25 +0900 |
| commit | f28568841ae0a0dd48dfc5400aaebedf10a54d10 (patch) | |
| tree | 99c61ffd10979d6f441541323dcaa7cbecb13458 /kernel/module | |
| parent | a56fece7f302ff1eb49535e66bdd5d03ced0ca20 (diff) | |
tools: Add gendwarfksyms
Add a basic DWARF parser, which uses libdw to traverse the debugging
information in an object file and looks for functions and variables.
In follow-up patches, this will be expanded to produce symbol versions
for CONFIG_MODVERSIONS from DWARF.
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Petr Pavlu <petr.pavlu@suse.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Diffstat (limited to 'kernel/module')
| -rw-r--r-- | kernel/module/Kconfig | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/module/Kconfig b/kernel/module/Kconfig index 7b329057997a..4637f063d0fc 100644 --- a/kernel/module/Kconfig +++ b/kernel/module/Kconfig @@ -169,6 +169,14 @@ config MODVERSIONS make them incompatible with the kernel you are running. If unsure, say N. +config GENDWARFKSYMS + bool "gendwarfksyms (from debugging information)" + depends on DEBUG_INFO + # Requires full debugging information, split DWARF not supported. + depends on !DEBUG_INFO_REDUCED && !DEBUG_INFO_SPLIT + # Requires ELF object files. + depends on !LTO + config ASM_MODVERSIONS bool default HAVE_ASM_MODVERSIONS && MODVERSIONS |