[LTP] [PATCH v3 0/4] Automatically generate syscalls.h

[Andrea Cervesato <andrea.cervesato@suse.de>]

The problem we have at the moment is that all syscalls input files must
be changed by hand each time we need to test a new syscall. The idea is
to simplify this process, providing a script that is able to read from
kernel sources and to generate all syscalls files we need.

This patch set adds a new command inside the syscalls folder and
it refactors the previous regen.sh code.
The new way we have to generate the syscalls.h file is the following:

	include/lapi/syscalls/generate_arch.sh 		path/to/kernel/source
	include/lapi/syscalls/generate_syscalls.sh 	path/to/syscalls.h

Scripts are independent and they can be run separately.
generate_syscalls.sh is the equivalent of regen.sh, but its code has
been cleaned up.

Signed-off-by: Andrea Cervesato <andrea.cervesato@suse.com>
---
Changes in v3:
- fix generate_arch.sh to work properly for all architectures
- rename some arch .in files and handle renaming inside
  generate_syscalls.sh using the right gcc directives
- Link to v2: https://lore.kernel.org/r/20240927-generate_syscalls-v2-0-108f5f2ad318@suse.com

Changes in v2:
- refactor regen.sh
- split syscalls.h and syscalls .in files creation
- updated syscalls .in files
- Link to v1: https://lore.kernel.org/r/20240924-generate_syscalls-v1-0-941507a9cdac@suse.com

---
Andrea Cervesato (4):
      Refactor regen.sh script to generate syscalls
      Add script to generate arch(s) dependant syscalls
      Delete obsolete strip_syscall.awk file
      Update syscalls files

 configure.ac                                       |   2 +-
 include/lapi/syscalls/arc.in                       |  41 +-
 include/lapi/syscalls/arm.in                       | 819 +++++++++++----------
 include/lapi/syscalls/{loongarch.in => arm64.in}   |  12 +-
 include/lapi/syscalls/blacklist-syscalls.txt       |   6 +
 include/lapi/syscalls/generate_arch.sh             | 210 ++++++
 include/lapi/syscalls/generate_syscalls.sh         | 118 +++
 include/lapi/syscalls/hppa.in                      |  52 --
 include/lapi/syscalls/i386.in                      |  18 +-
 include/lapi/syscalls/ia64.in                      |  10 +-
 .../lapi/syscalls/{aarch64.in => loongarch64.in}   |  20 +-
 include/lapi/syscalls/{mips_n64.in => mips64.in}   |  13 +-
 .../lapi/syscalls/{mips_n32.in => mips64n32.in}    |  13 +-
 include/lapi/syscalls/{mips_o32.in => mipso32.in}  |  21 +-
 include/lapi/syscalls/parisc.in                    | 397 ++++++++++
 include/lapi/syscalls/powerpc.in                   |  19 +-
 include/lapi/syscalls/powerpc64.in                 |  47 +-
 include/lapi/syscalls/regen.sh                     | 129 ----
 include/lapi/syscalls/s390.in                      |  15 +-
 include/lapi/syscalls/s390x.in                     |  15 +-
 include/lapi/syscalls/sh.in                        |  15 +-
 include/lapi/syscalls/sparc.in                     |  14 +-
 include/lapi/syscalls/sparc64.in                   |  16 +-
 include/lapi/syscalls/strip_syscall.awk            |  19 -
 .../lapi/syscalls/{order => supported-arch.txt}    |  12 +-
 include/lapi/syscalls/x86_64.in                    |  51 +-
 26 files changed, 1367 insertions(+), 737 deletions(-)
---
base-commit: 08cb938197e82eddce146662a47ff990827ff60a
change-id: 20240923-generate_syscalls-780dc2227bdb

Best regards,
-- 
Andrea Cervesato <andrea.cervesato@suse.com>


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