* [PATCH] docs/scripts/gdb: add necessary make scripts_gdb step
@ 2023-01-12 16:09 Jakob Koschel
2023-01-13 8:21 ` Bagas Sanjaya
2023-01-19 21:09 ` Jonathan Corbet
0 siblings, 2 replies; 4+ messages in thread
From: Jakob Koschel @ 2023-01-12 16:09 UTC (permalink / raw)
To: Jonathan Corbet; +Cc: linux-doc, linux-kernel, Jakob Koschel
In order to debug the kernel successfully with gdb you need to run
'make scripts_gdb' nowadays.
This was changed with the following commit:
Commit 67274c083438340ad16c ("scripts/gdb: delay generation of gdb
constants.py")
In order to have a complete guide for beginners this remark
should be added to the offial documentation.
---
Signed-off-by: Jakob Koschel <jkl820.git@gmail.com>
---
Documentation/dev-tools/gdb-kernel-debugging.rst | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Documentation/dev-tools/gdb-kernel-debugging.rst b/Documentation/dev-tools/gdb-kernel-debugging.rst
index 8e0f1fe8d17a..895285c037c7 100644
--- a/Documentation/dev-tools/gdb-kernel-debugging.rst
+++ b/Documentation/dev-tools/gdb-kernel-debugging.rst
@@ -39,6 +39,10 @@ Setup
this mode. In this case, you should build the kernel with
CONFIG_RANDOMIZE_BASE disabled if the architecture supports KASLR.
+- Build the gdb scripts (required on kernels v5.1 and above)::
+
+ make scripts_gdb
+
- Enable the gdb stub of QEMU/KVM, either
- at VM startup time by appending "-s" to the QEMU command line
---
base-commit: c757fc92a3f73734872c7793b97f06434773d65d
change-id: 20230112-documentation-gdb-af00d23b2b60
Best regards,
--
Jakob Koschel <jkl820.git@gmail.com>
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH] docs/scripts/gdb: add necessary make scripts_gdb step
2023-01-12 16:09 [PATCH] docs/scripts/gdb: add necessary make scripts_gdb step Jakob Koschel
@ 2023-01-13 8:21 ` Bagas Sanjaya
2023-01-13 9:55 ` Jakob Koschel
2023-01-19 21:09 ` Jonathan Corbet
1 sibling, 1 reply; 4+ messages in thread
From: Bagas Sanjaya @ 2023-01-13 8:21 UTC (permalink / raw)
To: Jakob Koschel, Jonathan Corbet; +Cc: linux-doc, linux-kernel
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On Thu, Jan 12, 2023 at 05:09:25PM +0100, Jakob Koschel wrote:
> In order to debug the kernel successfully with gdb you need to run
> 'make scripts_gdb' nowadays.
>
> This was changed with the following commit:
>
> Commit 67274c083438340ad16c ("scripts/gdb: delay generation of gdb
> constants.py")
>
> In order to have a complete guide for beginners this remark
> should be added to the offial documentation.
>
What about below?
```
Since commit <commit>, debugging kernel requires gdb scripts to be built
with "make scripts_gdb" first. Reflect this requirement in the
"Debugging kernel and modules via gdb" documentation.
```
Thanks.
--
An old man doll... just what I always wanted! - Clara
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] docs/scripts/gdb: add necessary make scripts_gdb step
2023-01-13 8:21 ` Bagas Sanjaya
@ 2023-01-13 9:55 ` Jakob Koschel
0 siblings, 0 replies; 4+ messages in thread
From: Jakob Koschel @ 2023-01-13 9:55 UTC (permalink / raw)
To: Bagas Sanjaya; +Cc: Jonathan Corbet, linux-doc, linux-kernel
> On 13. Jan 2023, at 09:21, Bagas Sanjaya <bagasdotme@gmail.com> wrote:
>
> On Thu, Jan 12, 2023 at 05:09:25PM +0100, Jakob Koschel wrote:
>> In order to debug the kernel successfully with gdb you need to run
>> 'make scripts_gdb' nowadays.
>>
>> This was changed with the following commit:
>>
>> Commit 67274c083438340ad16c ("scripts/gdb: delay generation of gdb
>> constants.py")
>>
>> In order to have a complete guide for beginners this remark
>> should be added to the offial documentation.
>>
>
> What about below?
>
> ```
> Since commit <commit>, debugging kernel requires gdb scripts to be built
> with "make scripts_gdb" first. Reflect this requirement in the
> "Debugging kernel and modules via gdb" documentation.
> ```
I guess you are suggesting this as an alternative commit message?
I'm happy to change this in v2.
>
> Thanks.
>
> --
> An old man doll... just what I always wanted! - Clara
- jakob
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] docs/scripts/gdb: add necessary make scripts_gdb step
2023-01-12 16:09 [PATCH] docs/scripts/gdb: add necessary make scripts_gdb step Jakob Koschel
2023-01-13 8:21 ` Bagas Sanjaya
@ 2023-01-19 21:09 ` Jonathan Corbet
1 sibling, 0 replies; 4+ messages in thread
From: Jonathan Corbet @ 2023-01-19 21:09 UTC (permalink / raw)
To: Jakob Koschel; +Cc: linux-doc, linux-kernel, Jakob Koschel
Jakob Koschel <jkl820.git@gmail.com> writes:
> In order to debug the kernel successfully with gdb you need to run
> 'make scripts_gdb' nowadays.
>
> This was changed with the following commit:
>
> Commit 67274c083438340ad16c ("scripts/gdb: delay generation of gdb
> constants.py")
>
> In order to have a complete guide for beginners this remark
> should be added to the offial documentation.
>
> ---
>
>
> Signed-off-by: Jakob Koschel <jkl820.git@gmail.com>
Applied, thanks.
jon
^ permalink raw reply [flat|nested] 4+ messages in thread
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2023-01-12 16:09 [PATCH] docs/scripts/gdb: add necessary make scripts_gdb step Jakob Koschel
2023-01-13 8:21 ` Bagas Sanjaya
2023-01-13 9:55 ` Jakob Koschel
2023-01-19 21:09 ` Jonathan Corbet
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