mirror of
https://github.com/torvalds/linux.git
synced 2025-11-04 02:30:34 +02:00
6d62c5b211
HTTP links to HTTPS that had to be yanked and redone before the first
pull.
-----BEGIN PGP SIGNATURE-----
iQFDBAABCAAtFiEEIw+MvkEiF49krdp9F0NaE2wMflgFAl7hRs0PHGNvcmJldEBs
d24ubmV0AAoJEBdDWhNsDH5YEE0H/jlTBzV3kkf09nzngka07kUlXTsd5kkQjXNr
sr0zV4q7o70Hc9mv8r5m5suBFuQ+2rx9Oy2BB4ywOAFIXMkhycCzj/v+tkBLav2s
+oJ6ytSAnFIoyfChq+ynX2ub0VEE86zxafGaL1xt0SwRt/hSAQWXmfN3m8DorqF3
bXn2WzKhBxPhjxrRUhzgQVyXnEUbONshFzng7E0OtKMbOw7ftEdh18JdZ2M/KQwH
DPD+wtmzns/uUUarkC/fmaj8JLD1Bq5X9VTpkz0YU151GX1P4mbMZcWSA8/QHnoS
B21LMa58itBsQxchN7LvdnkbDj3GIUzDiXsLt9VXMOd+TK4TyhE=
=mp4N
-----END PGP SIGNATURE-----
Merge tag 'docs-5.8-2' of git://git.lwn.net/linux
Pull more documentation updates from Jonathan Corbet:
"A handful of late-arriving docs fixes, along with a patch changing a
lot of HTTP links to HTTPS that had to be yanked and redone before the
first pull"
* tag 'docs-5.8-2' of git://git.lwn.net/linux:
docs/memory-barriers.txt/kokr: smp_mb__{before,after}_atomic(): update Documentation
Documentation: devres: add missing entry for devm_platform_get_and_ioremap_resource()
Replace HTTP links with HTTPS ones: documentation
docs: it_IT: address invalid reference warnings
doc: zh_CN: use doc reference to resolve undefined label warning
docs: Update the location of the LF NDA program
docs: dev-tools: coccinelle: underlines
192 lines
4.3 KiB
ReStructuredText
192 lines
4.3 KiB
ReStructuredText
===========================
|
|
Including uAPI header files
|
|
===========================
|
|
|
|
Sometimes, it is useful to include header files and C example codes in
|
|
order to describe the userspace API and to generate cross-references
|
|
between the code and the documentation. Adding cross-references for
|
|
userspace API files has an additional vantage: Sphinx will generate warnings
|
|
if a symbol is not found at the documentation. That helps to keep the
|
|
uAPI documentation in sync with the Kernel changes.
|
|
The :ref:`parse_headers.pl <parse_headers>` provide a way to generate such
|
|
cross-references. It has to be called via Makefile, while building the
|
|
documentation. Please see ``Documentation/userspace-api/media/Makefile`` for an example
|
|
about how to use it inside the Kernel tree.
|
|
|
|
.. _parse_headers:
|
|
|
|
parse_headers.pl
|
|
^^^^^^^^^^^^^^^^
|
|
|
|
NAME
|
|
****
|
|
|
|
|
|
parse_headers.pl - parse a C file, in order to identify functions, structs,
|
|
enums and defines and create cross-references to a Sphinx book.
|
|
|
|
|
|
SYNOPSIS
|
|
********
|
|
|
|
|
|
\ **parse_headers.pl**\ [<options>] <C_FILE> <OUT_FILE> [<EXCEPTIONS_FILE>]
|
|
|
|
Where <options> can be: --debug, --help or --usage.
|
|
|
|
|
|
OPTIONS
|
|
*******
|
|
|
|
|
|
|
|
\ **--debug**\
|
|
|
|
Put the script in verbose mode, useful for debugging.
|
|
|
|
|
|
|
|
\ **--usage**\
|
|
|
|
Prints a brief help message and exits.
|
|
|
|
|
|
|
|
\ **--help**\
|
|
|
|
Prints a more detailed help message and exits.
|
|
|
|
|
|
DESCRIPTION
|
|
***********
|
|
|
|
|
|
Convert a C header or source file (C_FILE), into a ReStructured Text
|
|
included via ..parsed-literal block with cross-references for the
|
|
documentation files that describe the API. It accepts an optional
|
|
EXCEPTIONS_FILE with describes what elements will be either ignored or
|
|
be pointed to a non-default reference.
|
|
|
|
The output is written at the (OUT_FILE).
|
|
|
|
It is capable of identifying defines, functions, structs, typedefs,
|
|
enums and enum symbols and create cross-references for all of them.
|
|
It is also capable of distinguish #define used for specifying a Linux
|
|
ioctl.
|
|
|
|
The EXCEPTIONS_FILE contain two types of statements: \ **ignore**\ or \ **replace**\ .
|
|
|
|
The syntax for the ignore tag is:
|
|
|
|
|
|
ignore \ **type**\ \ **name**\
|
|
|
|
The \ **ignore**\ means that it won't generate cross references for a
|
|
\ **name**\ symbol of type \ **type**\ .
|
|
|
|
The syntax for the replace tag is:
|
|
|
|
|
|
replace \ **type**\ \ **name**\ \ **new_value**\
|
|
|
|
The \ **replace**\ means that it will generate cross references for a
|
|
\ **name**\ symbol of type \ **type**\ , but, instead of using the default
|
|
replacement rule, it will use \ **new_value**\ .
|
|
|
|
For both statements, \ **type**\ can be either one of the following:
|
|
|
|
|
|
\ **ioctl**\
|
|
|
|
The ignore or replace statement will apply to ioctl definitions like:
|
|
|
|
#define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register)
|
|
|
|
|
|
|
|
\ **define**\
|
|
|
|
The ignore or replace statement will apply to any other #define found
|
|
at C_FILE.
|
|
|
|
|
|
|
|
\ **typedef**\
|
|
|
|
The ignore or replace statement will apply to typedef statements at C_FILE.
|
|
|
|
|
|
|
|
\ **struct**\
|
|
|
|
The ignore or replace statement will apply to the name of struct statements
|
|
at C_FILE.
|
|
|
|
|
|
|
|
\ **enum**\
|
|
|
|
The ignore or replace statement will apply to the name of enum statements
|
|
at C_FILE.
|
|
|
|
|
|
|
|
\ **symbol**\
|
|
|
|
The ignore or replace statement will apply to the name of enum value
|
|
at C_FILE.
|
|
|
|
For replace statements, \ **new_value**\ will automatically use :c:type:
|
|
references for \ **typedef**\ , \ **enum**\ and \ **struct**\ types. It will use :ref:
|
|
for \ **ioctl**\ , \ **define**\ and \ **symbol**\ types. The type of reference can
|
|
also be explicitly defined at the replace statement.
|
|
|
|
|
|
|
|
EXAMPLES
|
|
********
|
|
|
|
|
|
ignore define _VIDEODEV2_H
|
|
|
|
|
|
Ignore a #define _VIDEODEV2_H at the C_FILE.
|
|
|
|
ignore symbol PRIVATE
|
|
|
|
|
|
On a struct like:
|
|
|
|
enum foo { BAR1, BAR2, PRIVATE };
|
|
|
|
It won't generate cross-references for \ **PRIVATE**\ .
|
|
|
|
replace symbol BAR1 :c:type:\`foo\`
|
|
replace symbol BAR2 :c:type:\`foo\`
|
|
|
|
|
|
On a struct like:
|
|
|
|
enum foo { BAR1, BAR2, PRIVATE };
|
|
|
|
It will make the BAR1 and BAR2 enum symbols to cross reference the foo
|
|
symbol at the C domain.
|
|
|
|
|
|
BUGS
|
|
****
|
|
|
|
|
|
Report bugs to Mauro Carvalho Chehab <mchehab@kernel.org>
|
|
|
|
|
|
COPYRIGHT
|
|
*********
|
|
|
|
|
|
Copyright (c) 2016 by Mauro Carvalho Chehab <mchehab+samsung@kernel.org>.
|
|
|
|
License GPLv2: GNU GPL version 2 <https://gnu.org/licenses/gpl.html>.
|
|
|
|
This is free software: you are free to change and redistribute it.
|
|
There is NO WARRANTY, to the extent permitted by law.
|