[PATCH nolibc 0/14] nolibc updates for v6.4

[Paul E. McKenney]

Hello!

This series contains nolibc updates for v6.4, plus one that is fixes a
regression and will thus be offered up soon for v6.3:

1.	tools/nolibc: always disable stack protector for tests, courtesy
	of Thomas Weißschuh.  This one will be offered for v6.3.

2.	tools/nolibc: Add gitignore to avoid git complaints about sysroot.

3.	tools/nolibc: add stdint.h, courtesy of Vincent Dagonneau.

4.	tools/nolibc: add integer types and integer limit macros,
	courtesy of Vincent Dagonneau.

5.	tools/nolibc: enlarge column width of tests, courtesy of Vincent
	Dagonneau.

6.	tools/nolibc: add tests for the integer limits in stdint.h,
	courtesy of Vincent Dagonneau.

7.	tools/nolibc: add getuid() and geteuid(), courtesy of Willy
	Tarreau.

8.	selftests/nolibc: skip the chroot_root and link_dir tests when
	not privileged, courtesy of Willy Tarreau.

9.	tools/nolibc: check for S_I* macros before defining them,
	courtesy of Willy Tarreau.

10.	tools/nolibc: Include linux/fcntl.h and remove duplicate code,
	courtesy of Feiyang Chen.

11.	tools/nolibc: Add statx() and make stat() rely on statx() if
	necessary, courtesy of Feiyang Chen.

12.	tools/nolibc: Add support for LoongArch, courtesy of Feiyang Chen.

13.	selftests/nolibc: Add support for LoongArch, courtesy of
	Feiyang Chen.

14.	selftests/nolibc: Adjust indentation for Makefile, courtesy of
	Feiyang Chen.

						Thanx, Paul

------------------------------------------------------------------------

 b/tools/include/nolibc/.gitignore              |    1 
 b/tools/include/nolibc/Makefile                |    4 
 b/tools/include/nolibc/arch-loongarch.h        |  200 +++++++++++++++++++++++++
 b/tools/include/nolibc/arch.h                  |    2 
 b/tools/include/nolibc/std.h                   |   15 -
 b/tools/include/nolibc/stdint.h                |   24 +++
 b/tools/include/nolibc/sys.h                   |   42 +++++
 b/tools/include/nolibc/types.h                 |   23 ++
 b/tools/testing/selftests/nolibc/Makefile      |    3 
 b/tools/testing/selftests/nolibc/nolibc-test.c |   96 ++++++------
 tools/include/nolibc/stdint.h                  |   75 +++++++++
 tools/include/nolibc/sys.h                     |   58 +++++++
 tools/include/nolibc/types.h                   |    5 
 tools/testing/selftests/nolibc/Makefile        |   78 +++++----
 tools/testing/selftests/nolibc/nolibc-test.c   |   61 +++++++
 15 files changed, 577 insertions(+), 110 deletions(-)