Re: [PATCH v6 01/21] scripts/gdb: Add infrastructure

From: Jan Kiszka
Date: Wed Oct 30 2013 - 06:28:41 EST

On 2013-10-30 06:35, Andi Kleen wrote:
>> The loading mechanism is based on gdb loading for <objfile> 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?

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

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


Siemens AG, Corporate Technology, CT RTC ITP SES-DE
Corporate Competence Center Embedded Linux
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