[v6,01/21] scripts/gdb: Add infrastructure
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Message ID 5270DF35.1040708@siemens.com
State New, archived
Headers show

Commit Message

Jan Kiszka Oct. 30, 2013, 10:28 a.m. UTC
On 2013-10-30 06:35, Andi Kleen wrote:
>> The loading mechanism is based on gdb loading for <objfile>-gdb.py when
>> opening <objfile>. Therefore, this places a corresponding link to the
>> main helper script into the output directory that contains vmlinux.
>> This feature depends on CONFIG_DEBUG_INFO.
> Could you make this a separate config option? Having the links for
> people who don't use gdb would be ugly.

Like this?

Will send an updated series soon, also adjusting the docs, just waiting
for potential further comments.


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diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 06344d9..d66a8f8 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -143,6 +143,17 @@  config DEBUG_INFO_REDUCED
 	  DEBUG_INFO build and compile times are reduced too.
 	  Only works with newer gcc versions.
+	bool "Provide GDB scripts for kernel debugging"
+	select DEBUG_INFO
+	help
+	  This creates the required links to GDB helper scripts in the
+	  build directory. If you load vmlinux into gdb, the helper
+	  scripts will be automatically imported by gdb as well, and
+	  additional functions are available to analyze a Linux kernel
+	  instance. See Documentation/gdb-kernel-debugging.txt for further
+	  details.
 	bool "Enable __deprecated logic"
 	default y