[v3,00/13] GLIBC LoongArch PATCHES

  Hello, these are LoongArch patches v4, and we really need your futher suggestions:

HISTORY:
LoongArch patches v1: https://sourceware.org/pipermail/libc-alpha/2021-August/130262.html
LoongArch patches v2: https://sourceware.org/pipermail/libc-alpha/2021-December/134811.html
LoongArch patches v3: https://sourceware.org/pipermail/libc-alpha/2022-April/137888.html

LoongArch-Doc:  https://github.com/loongson/LoongArch-Documentation

We add new section: procedure calling convention.
https://loongson.github.io/LoongArch-Documentation/LoongArch-ELF-ABI-EN.html#_procedure_calling_convention

Source code:
linux:		https://github.com/loongson/linux/tree/loongarch-next
glibc:		https://github.com/loongson/glibc/tree/loongarch_2_36_upstream_v4

GCC and Binutils Loongarch parts have been into GNU Open Source community.
Loongarch kernal may be no problem on 5.19:
https://lore.kernel.org/linux-arch/20220319142759.1026237-1-chenhuacai@loongson.cn/T/#m9d06c1882053c313ced32eaddda61e2514c712e8
---------------------------------------------------------------------------
* Re: [PATCH V8 00/22] arch: Add basic LoongArch support
  2022-03-21 21:55     ` Arnd Bergmann
@ 2022-03-21 22:03       ` Linus Torvalds
  0 siblings, 0 replies; 46+ messages in thread
From: Linus Torvalds @ 2022-03-21 22:03 UTC (permalink / raw)
  To: Arnd Bergmann
  Cc: Huacai Chen, Andy Lutomirski, Thomas Gleixner, Peter Zijlstra,
	Andrew Morton, David Airlie, Jonathan Corbet, linux-arch,
	open list:DOCUMENTATION, Linux Kernel Mailing List, Xuefeng Li,
	Yanteng Si, Huacai Chen, Jiaxun Yang, Huacai Chen

On Mon, Mar 21, 2022 at 2:55 PM Arnd Bergmann <arnd@arndb.de> wrote:
>
> I can prepare a pull request when it gets to that, but I think the boot protocol
> should be fixed first, and that makes it 5.19 material.

Thanks. No problem on 5.19, it's not like I don't have enough pending
for this merge window already..

                 Linus
---------------------------------------------------------------------------

test result: all passed.

XPASS: conform/UNIX98/ndbm.h/linknamespace
XPASS: conform/XOPEN2K/ndbm.h/linknamespace
XPASS: conform/XOPEN2K8/ndbm.h/linknamespace
XPASS: conform/XPG42/ndbm.h/linknamespace
UNSUPPORTED: crypt/cert
UNSUPPORTED: elf/tst-env-setuid
UNSUPPORTED: elf/tst-env-setuid-tunables
XPASS: elf/tst-protected1a
XPASS: elf/tst-protected1b
UNSUPPORTED: elf/tst-valgrind-smoke
UNSUPPORTED: misc/tst-adjtimex
UNSUPPORTED: misc/tst-clock_adjtime
UNSUPPORTED: misc/tst-ntp_adjtime
UNSUPPORTED: misc/tst-pkey
UNSUPPORTED: misc/tst-rseq
UNSUPPORTED: misc/tst-rseq-disable
UNSUPPORTED: nptl/test-cond-printers
UNSUPPORTED: nptl/test-condattr-printers
UNSUPPORTED: nptl/test-mutex-printers
UNSUPPORTED: nptl/test-mutexattr-printers
UNSUPPORTED: nptl/test-rwlock-printers
UNSUPPORTED: nptl/test-rwlockattr-printers
UNSUPPORTED: nptl/tst-rseq-nptl
UNSUPPORTED: stdlib/tst-secure-getenv
UNSUPPORTED: time/tst-clock_settime
UNSUPPORTED: time/tst-settimeofday
Summary of test results:
   4556 PASS
     20 UNSUPPORTED
     12 XFAIL
      6 XPASS

caiyinyu (13):
  LoongArch: Update NEWS and README for the LoongArch port.
  LoongArch: Add LoongArch entries to config.h.in
  LoongArch: Add relocations and ELF flags to elf.h and
    scripts/glibcelf.py
  LoongArch: ABI Implementation
  LoongArch: Thread-Local Storage Support
  LoongArch: Generic <math.h> and soft-fp Routines
  LoongArch: Atomic and Locking Routines
  LoongArch: Linux Syscall Interface
  LoongArch: Linux ABI
  LoongArch: Add ABI Lists
  LoongArch: Build Infastructure
  LoongArch: Hard Float Support
  LoongArch: Update build-many-glibcs.py for the LoongArch Port.

 NEWS                                          |    9 +
 README                                        |    1 +
 config.h.in                                   |    6 +
 elf/elf.h                                     |   68 +-
 manual/math.texi                              |    2 +-
 scripts/build-many-glibcs.py                  |    5 +
 scripts/glibcelf.py                           |    3 +-
 sysdeps/loongarch/Implies                     |    3 +
 sysdeps/loongarch/Makefile                    |   15 +
 sysdeps/loongarch/__longjmp.S                 |   52 +
 sysdeps/loongarch/abort-instr.h               |    2 +
 sysdeps/loongarch/bits/endianness.h           |   11 +
 sysdeps/loongarch/bits/fenv.h                 |   90 +
 sysdeps/loongarch/bits/link.h                 |   58 +
 sysdeps/loongarch/bits/setjmp.h               |   42 +
 sysdeps/loongarch/bsd-_setjmp.c               |    1 +
 sysdeps/loongarch/bsd-setjmp.c                |    1 +
 sysdeps/loongarch/configure                   |    5 +
 sysdeps/loongarch/configure.ac                |    6 +
 sysdeps/loongarch/dl-irel.h                   |   48 +
 sysdeps/loongarch/dl-machine.h                |  362 +++
 sysdeps/loongarch/dl-tls.h                    |   46 +
 sysdeps/loongarch/dl-trampoline.S             |   91 +
 sysdeps/loongarch/e_sqrtl.c                   |   38 +
 sysdeps/loongarch/fpu/fclrexcpt.c             |   46 +
 sysdeps/loongarch/fpu/fedisblxcpt.c           |   39 +
 sysdeps/loongarch/fpu/feenablxcpt.c           |   39 +
 sysdeps/loongarch/fpu/fegetenv.c              |   31 +
 sysdeps/loongarch/fpu/fegetexcept.c           |   32 +
 sysdeps/loongarch/fpu/fegetmode.c             |   27 +
 sysdeps/loongarch/fpu/fegetround.c            |   33 +
 sysdeps/loongarch/fpu/feholdexcpt.c           |   40 +
 sysdeps/loongarch/fpu/fenv_libc.h             |   30 +
 sysdeps/loongarch/fpu/fesetenv.c              |   42 +
 sysdeps/loongarch/fpu/fesetexcept.c           |   32 +
 sysdeps/loongarch/fpu/fesetmode.c             |   38 +
 sysdeps/loongarch/fpu/fesetround.c            |   44 +
 sysdeps/loongarch/fpu/feupdateenv.c           |   43 +
 sysdeps/loongarch/fpu/fgetexcptflg.c          |   38 +
 sysdeps/loongarch/fpu/fraiseexcpt.c           |   75 +
 sysdeps/loongarch/fpu/fsetexcptflg.c          |   41 +
 sysdeps/loongarch/fpu/ftestexcept.c           |   32 +
 .../loongarch/fpu/math-use-builtins-sqrt.h    |    4 +
 sysdeps/loongarch/fpu_control.h               |  102 +
 sysdeps/loongarch/hp-timing.h                 |   42 +
 sysdeps/loongarch/jmpbuf-offsets.h            |   22 +
 sysdeps/loongarch/jmpbuf-unwind.h             |   45 +
 sysdeps/loongarch/ldsodefs.h                  |   41 +
 sysdeps/loongarch/libc-tls.c                  |   32 +
 sysdeps/loongarch/linkmap.h                   |   22 +
 sysdeps/loongarch/lp64/Implies-after          |    1 +
 sysdeps/loongarch/lp64/libm-test-ulps         | 1412 +++++++++++
 sysdeps/loongarch/lp64/libm-test-ulps-name    |    1 +
 sysdeps/loongarch/machine-gmon.h              |   37 +
 sysdeps/loongarch/math_private.h              |  248 ++
 sysdeps/loongarch/nptl/Makefile               |   21 +
 sysdeps/loongarch/nptl/pthreaddef.h           |   32 +
 sysdeps/loongarch/nptl/tcb-offsets.sym        |    6 +
 sysdeps/loongarch/nptl/tls.h                  |  138 ++
 sysdeps/loongarch/preconfigure                |   47 +
 sysdeps/loongarch/setjmp.S                    |   66 +
 sysdeps/loongarch/sfp-machine.h               |  102 +
 sysdeps/loongarch/sotruss-lib.c               |   50 +
 sysdeps/loongarch/stackinfo.h                 |   33 +
 sysdeps/loongarch/start.S                     |   67 +
 sysdeps/loongarch/sys/asm.h                   |   59 +
 sysdeps/loongarch/sys/regdef.h                |   93 +
 sysdeps/loongarch/tininess.h                  |    1 +
 sysdeps/loongarch/tst-audit.h                 |   23 +
 sysdeps/unix/sysv/linux/loongarch/Implies     |    1 +
 sysdeps/unix/sysv/linux/loongarch/Makefile    |    4 +
 .../unix/sysv/linux/loongarch/arch-syscall.h  |  303 +++
 .../sysv/linux/loongarch/atomic-machine.h     |  181 ++
 .../unix/sysv/linux/loongarch/bits/fcntl.h    |   61 +
 .../unix/sysv/linux/loongarch/bits/procfs.h   |   52 +
 .../linux/loongarch/bits/pthread_stack_min.h  |   20 +
 .../unix/sysv/linux/loongarch/bits/sigstack.h |   32 +
 sysdeps/unix/sysv/linux/loongarch/clone.S     |   96 +
 sysdeps/unix/sysv/linux/loongarch/clone3.S    |   83 +
 sysdeps/unix/sysv/linux/loongarch/configure   |  174 ++
 .../unix/sysv/linux/loongarch/configure.ac    |   22 +
 .../unix/sysv/linux/loongarch/getcontext.S    |   59 +
 sysdeps/unix/sysv/linux/loongarch/ldconfig.h  |   26 +
 .../unix/sysv/linux/loongarch/ldd-rewrite.sed |    3 +
 .../unix/sysv/linux/loongarch/localplt.data   |   12 +
 .../unix/sysv/linux/loongarch/lp64/Implies    |    3 +
 .../sysv/linux/loongarch/lp64/c++-types.data  |   67 +
 .../unix/sysv/linux/loongarch/lp64/ld.abilist |    8 +
 .../loongarch/lp64/libBrokenLocale.abilist    |    1 +
 .../sysv/linux/loongarch/lp64/libc.abilist    | 2139 +++++++++++++++++
 .../loongarch/lp64/libc_malloc_debug.abilist  |   26 +
 .../linux/loongarch/lp64/libcrypt.abilist     |    2 +
 .../sysv/linux/loongarch/lp64/libm.abilist    | 1031 ++++++++
 .../linux/loongarch/lp64/libpthread.abilist   |    0
 .../linux/loongarch/lp64/libresolv.abilist    |   55 +
 .../sysv/linux/loongarch/lp64/librt.abilist   |    0
 .../linux/loongarch/lp64/libthread_db.abilist |   40 +
 .../unix/sysv/linux/loongarch/makecontext.c   |   79 +
 .../unix/sysv/linux/loongarch/setcontext.S    |  100 +
 .../unix/sysv/linux/loongarch/shlib-versions  |    7 +
 .../sysv/linux/loongarch/sigcontextinfo.h     |   32 +
 .../unix/sysv/linux/loongarch/swapcontext.S   |   95 +
 .../unix/sysv/linux/loongarch/sys/ucontext.h  |   61 +
 sysdeps/unix/sysv/linux/loongarch/sys/user.h  |   42 +
 sysdeps/unix/sysv/linux/loongarch/sysdep.S    |   53 +
 sysdeps/unix/sysv/linux/loongarch/sysdep.h    |  321 +++
 .../sysv/linux/loongarch/ucontext-macros.h    |   32 +
 .../unix/sysv/linux/loongarch/ucontext_i.sym  |   31 +
 sysdeps/unix/sysv/linux/loongarch/vfork.S     |   50 +
 109 files changed, 9815 insertions(+), 3 deletions(-)
 create mode 100644 sysdeps/loongarch/Implies
 create mode 100644 sysdeps/loongarch/Makefile
 create mode 100644 sysdeps/loongarch/__longjmp.S
 create mode 100644 sysdeps/loongarch/abort-instr.h
 create mode 100644 sysdeps/loongarch/bits/endianness.h
 create mode 100644 sysdeps/loongarch/bits/fenv.h
 create mode 100644 sysdeps/loongarch/bits/link.h
 create mode 100644 sysdeps/loongarch/bits/setjmp.h
 create mode 100644 sysdeps/loongarch/bsd-_setjmp.c
 create mode 100644 sysdeps/loongarch/bsd-setjmp.c
 create mode 100644 sysdeps/loongarch/configure
 create mode 100644 sysdeps/loongarch/configure.ac
 create mode 100644 sysdeps/loongarch/dl-irel.h
 create mode 100644 sysdeps/loongarch/dl-machine.h
 create mode 100644 sysdeps/loongarch/dl-tls.h
 create mode 100644 sysdeps/loongarch/dl-trampoline.S
 create mode 100644 sysdeps/loongarch/e_sqrtl.c
 create mode 100644 sysdeps/loongarch/fpu/fclrexcpt.c
 create mode 100644 sysdeps/loongarch/fpu/fedisblxcpt.c
 create mode 100644 sysdeps/loongarch/fpu/feenablxcpt.c
 create mode 100644 sysdeps/loongarch/fpu/fegetenv.c
 create mode 100644 sysdeps/loongarch/fpu/fegetexcept.c
 create mode 100644 sysdeps/loongarch/fpu/fegetmode.c
 create mode 100644 sysdeps/loongarch/fpu/fegetround.c
 create mode 100644 sysdeps/loongarch/fpu/feholdexcpt.c
 create mode 100644 sysdeps/loongarch/fpu/fenv_libc.h
 create mode 100644 sysdeps/loongarch/fpu/fesetenv.c
 create mode 100644 sysdeps/loongarch/fpu/fesetexcept.c
 create mode 100644 sysdeps/loongarch/fpu/fesetmode.c
 create mode 100644 sysdeps/loongarch/fpu/fesetround.c
 create mode 100644 sysdeps/loongarch/fpu/feupdateenv.c
 create mode 100644 sysdeps/loongarch/fpu/fgetexcptflg.c
 create mode 100644 sysdeps/loongarch/fpu/fraiseexcpt.c
 create mode 100644 sysdeps/loongarch/fpu/fsetexcptflg.c
 create mode 100644 sysdeps/loongarch/fpu/ftestexcept.c
 create mode 100644 sysdeps/loongarch/fpu/math-use-builtins-sqrt.h
 create mode 100644 sysdeps/loongarch/fpu_control.h
 create mode 100644 sysdeps/loongarch/hp-timing.h
 create mode 100644 sysdeps/loongarch/jmpbuf-offsets.h
 create mode 100644 sysdeps/loongarch/jmpbuf-unwind.h
 create mode 100644 sysdeps/loongarch/ldsodefs.h
 create mode 100644 sysdeps/loongarch/libc-tls.c
 create mode 100644 sysdeps/loongarch/linkmap.h
 create mode 100644 sysdeps/loongarch/lp64/Implies-after
 create mode 100644 sysdeps/loongarch/lp64/libm-test-ulps
 create mode 100644 sysdeps/loongarch/lp64/libm-test-ulps-name
 create mode 100644 sysdeps/loongarch/machine-gmon.h
 create mode 100644 sysdeps/loongarch/math_private.h
 create mode 100644 sysdeps/loongarch/nptl/Makefile
 create mode 100644 sysdeps/loongarch/nptl/pthreaddef.h
 create mode 100644 sysdeps/loongarch/nptl/tcb-offsets.sym
 create mode 100644 sysdeps/loongarch/nptl/tls.h
 create mode 100644 sysdeps/loongarch/preconfigure
 create mode 100644 sysdeps/loongarch/setjmp.S
 create mode 100644 sysdeps/loongarch/sfp-machine.h
 create mode 100644 sysdeps/loongarch/sotruss-lib.c
 create mode 100644 sysdeps/loongarch/stackinfo.h
 create mode 100644 sysdeps/loongarch/start.S
 create mode 100644 sysdeps/loongarch/sys/asm.h
 create mode 100644 sysdeps/loongarch/sys/regdef.h
 create mode 100644 sysdeps/loongarch/tininess.h
 create mode 100644 sysdeps/loongarch/tst-audit.h
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/Implies
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/Makefile
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/arch-syscall.h
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/atomic-machine.h
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/bits/fcntl.h
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/bits/procfs.h
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/bits/pthread_stack_min.h
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/bits/sigstack.h
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/clone.S
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/clone3.S
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/configure
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/configure.ac
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/getcontext.S
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/ldconfig.h
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/ldd-rewrite.sed
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/localplt.data
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/lp64/Implies
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/lp64/c++-types.data
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/lp64/ld.abilist
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/lp64/libBrokenLocale.abilist
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/lp64/libc.abilist
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/lp64/libc_malloc_debug.abilist
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/lp64/libcrypt.abilist
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/lp64/libm.abilist
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/lp64/libpthread.abilist
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/lp64/libresolv.abilist
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/lp64/librt.abilist
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/lp64/libthread_db.abilist
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/makecontext.c
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/setcontext.S
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/shlib-versions
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/sigcontextinfo.h
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/swapcontext.S
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/sys/ucontext.h
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/sys/user.h
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/sysdep.S
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/sysdep.h
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/ucontext-macros.h
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/ucontext_i.sym
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/vfork.S