Pull nolibc updates from Paul McKenney:
- Add support for loongarch
- Fix stack-protector issues
- Support additional integral types and signal-related macros
- Add support for stdin, stdout, and stderr
- Add getuid() and geteuid()
- Allow S_I* macros to be overridden by program
- Defer to linux/fcntl.h and linux/stat.h to avoid duplicate
definitions
- Many improvements to the selftests
* tag 'nolibc.2023.04.04a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (22 commits)
tools/nolibc: x86_64: add stackprotector support
tools/nolibc: i386: add stackprotector support
tools/nolibc: tests: add test for -fstack-protector
tools/nolibc: tests: fold in no-stack-protector cflags
tools/nolibc: add support for stack protector
tools/nolibc: tests: constify test_names
tools/nolibc: add helpers for wait() signal exits
tools/nolibc: add definitions for standard fds
selftests/nolibc: Adjust indentation for Makefile
selftests/nolibc: Add support for LoongArch
tools/nolibc: Add support for LoongArch
tools/nolibc: Add statx() and make stat() rely on statx() if necessary
tools/nolibc: Include linux/fcntl.h and remove duplicate code
tools/nolibc: check for S_I* macros before defining them
selftests/nolibc: skip the chroot_root and link_dir tests when not privileged
tools/nolibc: add getuid() and geteuid()
tools/nolibc: add tests for the integer limits in stdint.h
tools/nolibc: enlarge column width of tests
tools/nolibc: add integer types and integer limit macros
tools/nolibc: add stdint.h
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