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Signed-off-by: Kris Van Hees Reviewed-by: Nick Alcock Reviewed-by: Alan Maguire --- Changes since v1: - Renamed CONFIG_BUILTIN_RANGES to CONFIG_BUILTIN_MODULE_RANGES - Moved the config option to the tracers section --- kernel/trace/Kconfig | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 47345bf1d4a9f..839a56e971cc0 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -188,6 +188,23 @@ menuconfig FTRACE if FTRACE +config BUILTIN_MODULE_RANGES + bool "Generate address range information for builtin modules" + select VMLINUX_MAP + help + When modules are built into the kernel, there will be no module name + associated with its symbols in /proc/kallsyms. Tracers may want to + identify symbols by module name and symbol name regardless of whether + the module is configured as loadable or not. + + This option generates modules.builtin.ranges in the build tree with + offset ranges (per ELF section) for the module(s) they belong to. + It also records an anchor symbol to determine the load address of the + section. + + It is fully compatible with CONFIG_RANDOMIZE_BASE and similar late- + address-modification options. + config BOOTTIME_TRACING bool "Boot-time Tracing support" depends on TRACING -- 2.43.0