o Add s390 support.
o Add support for the ARM Thumb1 instruction set.
o Fix O_* flags definitions for open() and fcntl().
o Make errno a weak symbol instead of a static variable.
o Export environ as a weak symbol.
o Export _auxv as a weak symbol for auxilliary vector retrieval.
o Implement getauxval() and getpagesize().
o Further improve self tests, including permitting userland testing
of the nolibc library.
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Merge tag 'nolibc.2023.02.06a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull nolibc updates from Paul McKenney:
- Add s390 support
- Add support for the ARM Thumb1 instruction set
- Fix O_* flags definitions for open() and fcntl()
- Make errno a weak symbol instead of a static variable
- Export environ as a weak symbol
- Export _auxv as a weak symbol for auxilliary vector retrieval
- Implement getauxval() and getpagesize()
- Further improve self tests, including permitting userland testing of
the nolibc library
* tag 'nolibc.2023.02.06a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (28 commits)
selftests/nolibc: Add a "run-user" target to test the program in user land
selftests/nolibc: Support "x86_64" for arch name
selftests/nolibc: Add `getpagesize(2)` selftest
nolibc/sys: Implement `getpagesize(2)` function
nolibc/stdlib: Implement `getauxval(3)` function
tools/nolibc: add auxiliary vector retrieval for s390
tools/nolibc: add auxiliary vector retrieval for mips
tools/nolibc: add auxiliary vector retrieval for riscv
tools/nolibc: add auxiliary vector retrieval for arm
tools/nolibc: add auxiliary vector retrieval for arm64
tools/nolibc: add auxiliary vector retrieval for x86_64
tools/nolibc: add auxiliary vector retrieval for i386
tools/nolibc: export environ as a weak symbol on s390
tools/nolibc: export environ as a weak symbol on riscv
tools/nolibc: export environ as a weak symbol on mips
tools/nolibc: export environ as a weak symbol on arm
tools/nolibc: export environ as a weak symbol on arm64
tools/nolibc: export environ as a weak symbol on i386
tools/nolibc: export environ as a weak symbol on x86_64
tools/nolibc: make errno a weak symbol instead of a static one
...
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