[PATCH nolibc 0/19] Updates to nolibc for v6.7 (and three for v6.6)

[Paul E. McKenney]

Hello!

This series contains nolibc updates, with the first three (1-3) being
urgent for v6.6 and the remainder (4-19) being for the upcoming v6.7
merge window.

1.	tools/nolibc: i386: Fix a stack misalign bug on _start, courtesy
	of Ammar Faizi.

2.	MAINTAINERS: nolibc: update tree location, courtesy of Thomas
	Weißschuh.

3.	tools/nolibc: mark start_c as weak, courtesy of Thomas Weißschuh.

4.	tools/nolibc: add stdarg.h header, courtesy of Thomas Weißschuh.

5.	selftests/nolibc: use -nostdinc for nolibc-test, courtesy of
	Thomas Weißschuh.

6.	tools/nolibc: x86-64: Use `rep movsb` for `memcpy()` and
	`memmove()`, courtesy of Ammar Faizi.

7.	tools/nolibc: x86-64: Use `rep stosb` for `memset()`, courtesy
	of Ammar Faizi.

8.	tools/nolibc: string: Remove the `_nolibc_memcpy_down()` function,
	courtesy of Ammar Faizi.

9.	tools/nolibc: string: Remove the `_nolibc_memcpy_up()` function,
	courtesy of Ammar Faizi.

10.	selftests/nolibc: libc-test: avoid -Wstringop-overflow warnings,
	courtesy of Thomas Weißschuh.

11.	selftests/nolibc: don't embed initramfs into kernel image,
	courtesy of Thomas Weißschuh.

12.	selftests/nolibc: allow building i386 with multiarch compiler,
	courtesy of Thomas Weißschuh.

13.	tools/nolibc: avoid unused parameter warnings for ENOSYS
	fallbacks, courtesy of Thomas Weißschuh.

14.	tools/nolibc: don't define new syscall number, courtesy of
	Thomas Weißschuh.

15.	tools/nolibc: automatically detect necessity to use pselect6,
	courtesy of Thomas Weißschuh.

16.	tools/nolibc: drop test for getauxval(AT_PAGESZ), courtesy of
	Thomas Weißschuh.

17.	tools/nolibc: add support for constructors and destructors,
	courtesy of Thomas Weißschuh.

18.	selftests/nolibc: use qemu-system-ppc64 for ppc64le, courtesy
	of Thomas Weißschuh.

19.	selftests/nolibc: add tests for multi-object linkage, courtesy
	of Thomas Weißschuh.

						Thanx, Paul

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

 b/MAINTAINERS                                          |    2 
 b/tools/include/nolibc/Makefile                        |    1 
 b/tools/include/nolibc/arch-aarch64.h                  |    3 
 b/tools/include/nolibc/arch-i386.h                     |    4 -
 b/tools/include/nolibc/arch-loongarch.h                |    4 -
 b/tools/include/nolibc/arch-riscv.h                    |    3 
 b/tools/include/nolibc/arch-x86_64.h                   |   29 ++++++++
 b/tools/include/nolibc/crt.h                           |    1 
 b/tools/include/nolibc/nolibc.h                        |    4 -
 b/tools/include/nolibc/stdarg.h                        |   16 ++++
 b/tools/include/nolibc/stdio.h                         |    3 
 b/tools/include/nolibc/string.h                        |    4 +
 b/tools/include/nolibc/sys.h                           |    2 
 b/tools/testing/selftests/nolibc/.gitignore            |    1 
 b/tools/testing/selftests/nolibc/Makefile              |    2 
 b/tools/testing/selftests/nolibc/nolibc-test-linkage.c |   26 +++++++
 b/tools/testing/selftests/nolibc/nolibc-test-linkage.h |    9 ++
 b/tools/testing/selftests/nolibc/nolibc-test.c         |    6 -
 tools/include/nolibc/arch-x86_64.h                     |   13 +++
 tools/include/nolibc/crt.h                             |   23 ++++++
 tools/include/nolibc/string.h                          |   32 ++------
 tools/include/nolibc/sys.h                             |   61 +++++++++--------
 tools/testing/selftests/nolibc/Makefile                |   57 +++++++++------
 tools/testing/selftests/nolibc/nolibc-test.c           |   22 +++++-
 24 files changed, 234 insertions(+), 94 deletions(-)