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[v2,00/18] glibc port for 32-bit RISC-V (RV32)

Message ID cover.1591201405.git.alistair.francis@wdc.com
Headers show
Series glibc port for 32-bit RISC-V (RV32) | expand

Message

Alistair Francis June 3, 2020, 4:25 p.m. UTC
This patch set contains the glibc port for 32-bit RISC-V.

This is based on the original work from Zong Li [1] and has been
updated to use a 64-bit time_t.

This requires a 5.4+ kernel and all of the testing has been done using
the 5.4 stable kernel.

Nothing fails when running ./scripts/build-many-glibcs.py (for all
targets) on my x86-64 machine.

This is the current list of tests that fail when running inside QEMU RV32
system emulation on the 5.4 kernel:

FAIL: elf/tst-ldconfig-ld_so_conf-update
FAIL: io/tst-lockf
FAIL: misc/test-errno-linux
FAIL: nss/tst-nss-files-hosts-long
FAIL: resolv/tst-resolv-res_init-thread
FAIL: stdio-common/bug22
FAIL: stdlib/tst-strfrom
FAIL: stdlib/tst-strfrom-locale

---Links---
1: https://sourceware.org/ml/libc-alpha/2018-07/msg00892.html

The latest version of my work can be found here: https://github.com/alistair23/glibc/tree/alistair/rv32.next

This specific version can be found here: https://github.com/alistair23/glibc/tree/alistair/rv32.2

Alistair Francis (9):
  RISC-V: Use 64-bit time_t and off_t for RV32 and RV64
  RISC-V: Define __NR_* as __NR_*_time64/64 for 32-bit
  RISC-V: Add support for 32-bit vDSO calls
  RISC-V: Add arch-syscall.h for RV32
  RISC-V: nptl: update default pthread-offsets.h
  riscv32: Add an architecture ipctypes.h
  RISC-V: Add ABI lists
  RISC-V: Add the RV32 libm-test-ulps
  riscv32: Specify the arch_minimum_kernel as 5.4

Zong Li (9):
  RISC-V: Support dynamic loader for the 32-bit
  RISC-V: Add path of library directories for the 32-bit
  RISC-V: The ABI implementation for 32-bit
  RISC-V: Hard float support for 32-bit
  RISC-V: Fix llrint and llround missing exceptions on RV32
  RISC-V: Build Infastructure for 32-bit
  RISC-V: Add rv32 path to RTLDLIST in ldd
  Documentation for the RISC-V 32-bit port
  Add RISC-V 32-bit target to build-many-glibcs.py

 NEWS                                          |    6 +
 README                                        |    1 +
 scripts/build-many-glibcs.py                  |   15 +
 sysdeps/riscv/bits/wordsize.h                 |    4 +-
 sysdeps/riscv/nptl/bits/pthreadtypes-arch.h   |   10 +-
 sysdeps/riscv/nptl/bits/struct_rwlock.h       |   27 +-
 sysdeps/riscv/nptl/pthread-offsets.h          |   13 +-
 sysdeps/riscv/preconfigure                    |    6 +-
 sysdeps/riscv/rv32/Implies-after              |    1 +
 .../riscv/rv32/fix-fp-int-convert-overflow.h  |   38 +
 sysdeps/riscv/rv32/rvd/Implies                |    3 +
 sysdeps/riscv/rv32/rvd/libm-test-ulps         | 1401 +++++++++++
 sysdeps/riscv/rv32/rvd/libm-test-ulps-name    |    1 +
 sysdeps/riscv/rv32/rvd/s_lrint.c              |   31 +
 sysdeps/riscv/rv32/rvd/s_lround.c             |   31 +
 sysdeps/riscv/rv32/rvf/Implies                |    1 +
 sysdeps/riscv/rv32/rvf/s_lrintf.c             |   31 +
 sysdeps/riscv/rv32/rvf/s_lroundf.c            |   31 +
 sysdeps/riscv/sfp-machine.h                   |   27 +-
 sysdeps/riscv/sys/asm.h                       |    5 +-
 sysdeps/unix/sysv/linux/riscv/Makefile        |    4 +-
 .../unix/sysv/linux/riscv/bits/environments.h |   85 +
 sysdeps/unix/sysv/linux/riscv/bits/ipctypes.h |   35 +
 sysdeps/unix/sysv/linux/riscv/bits/time64.h   |   36 +
 sysdeps/unix/sysv/linux/riscv/bits/timesize.h |   22 +
 sysdeps/unix/sysv/linux/riscv/c++-types.data  |   67 +
 sysdeps/unix/sysv/linux/riscv/configure       |   43 +
 sysdeps/unix/sysv/linux/riscv/configure.ac    |   12 +
 sysdeps/unix/sysv/linux/riscv/dl-cache.h      |   17 +-
 .../unix/sysv/linux/riscv/jmp_buf-macros.h    |   53 +
 sysdeps/unix/sysv/linux/riscv/kernel_stat.h   |   23 +
 sysdeps/unix/sysv/linux/riscv/ld.abilist      |    5 +
 sysdeps/unix/sysv/linux/riscv/ldconfig.h      |    2 +-
 sysdeps/unix/sysv/linux/riscv/ldd-rewrite.sed |    2 +-
 .../sysv/linux/riscv/libBrokenLocale.abilist  |    1 +
 sysdeps/unix/sysv/linux/riscv/libanl.abilist  |    4 +
 sysdeps/unix/sysv/linux/riscv/libc.abilist    | 2099 +++++++++++++++++
 .../unix/sysv/linux/riscv/libcrypt.abilist    |    2 +
 sysdeps/unix/sysv/linux/riscv/libdl.abilist   |    9 +
 sysdeps/unix/sysv/linux/riscv/libm.abilist    |  940 ++++++++
 .../unix/sysv/linux/riscv/libpthread.abilist  |  213 ++
 .../unix/sysv/linux/riscv/libresolv.abilist   |   79 +
 sysdeps/unix/sysv/linux/riscv/librt.abilist   |   35 +
 .../sysv/linux/riscv/libthread_db.abilist     |   40 +
 sysdeps/unix/sysv/linux/riscv/libutil.abilist |    6 +
 sysdeps/unix/sysv/linux/riscv/rv32/Implies    |    3 +
 .../unix/sysv/linux/riscv/rv32/arch-syscall.h |  283 +++
 sysdeps/unix/sysv/linux/riscv/shlib-versions  |   10 +-
 sysdeps/unix/sysv/linux/riscv/sysdep.h        |   80 +-
 49 files changed, 5868 insertions(+), 25 deletions(-)
 create mode 100644 sysdeps/riscv/rv32/Implies-after
 create mode 100644 sysdeps/riscv/rv32/fix-fp-int-convert-overflow.h
 create mode 100644 sysdeps/riscv/rv32/rvd/Implies
 create mode 100644 sysdeps/riscv/rv32/rvd/libm-test-ulps
 create mode 100644 sysdeps/riscv/rv32/rvd/libm-test-ulps-name
 create mode 100644 sysdeps/riscv/rv32/rvd/s_lrint.c
 create mode 100644 sysdeps/riscv/rv32/rvd/s_lround.c
 create mode 100644 sysdeps/riscv/rv32/rvf/Implies
 create mode 100644 sysdeps/riscv/rv32/rvf/s_lrintf.c
 create mode 100644 sysdeps/riscv/rv32/rvf/s_lroundf.c
 create mode 100644 sysdeps/unix/sysv/linux/riscv/bits/environments.h
 create mode 100644 sysdeps/unix/sysv/linux/riscv/bits/ipctypes.h
 create mode 100644 sysdeps/unix/sysv/linux/riscv/bits/time64.h
 create mode 100644 sysdeps/unix/sysv/linux/riscv/bits/timesize.h
 create mode 100644 sysdeps/unix/sysv/linux/riscv/c++-types.data
 create mode 100644 sysdeps/unix/sysv/linux/riscv/jmp_buf-macros.h
 create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_stat.h
 create mode 100644 sysdeps/unix/sysv/linux/riscv/ld.abilist
 create mode 100644 sysdeps/unix/sysv/linux/riscv/libBrokenLocale.abilist
 create mode 100644 sysdeps/unix/sysv/linux/riscv/libanl.abilist
 create mode 100644 sysdeps/unix/sysv/linux/riscv/libc.abilist
 create mode 100644 sysdeps/unix/sysv/linux/riscv/libcrypt.abilist
 create mode 100644 sysdeps/unix/sysv/linux/riscv/libdl.abilist
 create mode 100644 sysdeps/unix/sysv/linux/riscv/libm.abilist
 create mode 100644 sysdeps/unix/sysv/linux/riscv/libpthread.abilist
 create mode 100644 sysdeps/unix/sysv/linux/riscv/libresolv.abilist
 create mode 100644 sysdeps/unix/sysv/linux/riscv/librt.abilist
 create mode 100644 sysdeps/unix/sysv/linux/riscv/libthread_db.abilist
 create mode 100644 sysdeps/unix/sysv/linux/riscv/libutil.abilist
 create mode 100644 sysdeps/unix/sysv/linux/riscv/rv32/Implies
 create mode 100644 sysdeps/unix/sysv/linux/riscv/rv32/arch-syscall.h

Comments

Alistair Francis June 15, 2020, 10:37 p.m. UTC | #1
On Wed, Jun 3, 2020 at 9:34 AM Alistair Francis
<alistair.francis@wdc.com> wrote:
>
> This patch set contains the glibc port for 32-bit RISC-V.
>
> This is based on the original work from Zong Li [1] and has been
> updated to use a 64-bit time_t.
>
> This requires a 5.4+ kernel and all of the testing has been done using
> the 5.4 stable kernel.
>
> Nothing fails when running ./scripts/build-many-glibcs.py (for all
> targets) on my x86-64 machine.
>
> This is the current list of tests that fail when running inside QEMU RV32
> system emulation on the 5.4 kernel:
>
> FAIL: elf/tst-ldconfig-ld_so_conf-update
> FAIL: io/tst-lockf
> FAIL: misc/test-errno-linux
> FAIL: nss/tst-nss-files-hosts-long
> FAIL: resolv/tst-resolv-res_init-thread
> FAIL: stdio-common/bug22
> FAIL: stdlib/tst-strfrom
> FAIL: stdlib/tst-strfrom-locale
>
> ---Links---
> 1: https://sourceware.org/ml/libc-alpha/2018-07/msg00892.html
>
> The latest version of my work can be found here: https://github.com/alistair23/glibc/tree/alistair/rv32.next
>
> This specific version can be found here: https://github.com/alistair23/glibc/tree/alistair/rv32.2
>
> Alistair Francis (9):
>   RISC-V: Use 64-bit time_t and off_t for RV32 and RV64
>   RISC-V: Define __NR_* as __NR_*_time64/64 for 32-bit
>   RISC-V: Add support for 32-bit vDSO calls
>   RISC-V: Add arch-syscall.h for RV32
>   RISC-V: nptl: update default pthread-offsets.h
>   riscv32: Add an architecture ipctypes.h
>   RISC-V: Add ABI lists
>   RISC-V: Add the RV32 libm-test-ulps
>   riscv32: Specify the arch_minimum_kernel as 5.4
>
> Zong Li (9):
>   RISC-V: Support dynamic loader for the 32-bit
>   RISC-V: Add path of library directories for the 32-bit
>   RISC-V: The ABI implementation for 32-bit
>   RISC-V: Hard float support for 32-bit
>   RISC-V: Fix llrint and llround missing exceptions on RV32
>   RISC-V: Build Infastructure for 32-bit
>   RISC-V: Add rv32 path to RTLDLIST in ldd
>   Documentation for the RISC-V 32-bit port
>   Add RISC-V 32-bit target to build-many-glibcs.py

Ping!

Patch 12 (RISC-V: Add the RV32 libm-test-ulps) had a comment, any
other comments?

I would like to start merging some of the early patches of this series
to avoid continually reposting them without comments or changes.

Alistair


>
>  NEWS                                          |    6 +
>  README                                        |    1 +
>  scripts/build-many-glibcs.py                  |   15 +
>  sysdeps/riscv/bits/wordsize.h                 |    4 +-
>  sysdeps/riscv/nptl/bits/pthreadtypes-arch.h   |   10 +-
>  sysdeps/riscv/nptl/bits/struct_rwlock.h       |   27 +-
>  sysdeps/riscv/nptl/pthread-offsets.h          |   13 +-
>  sysdeps/riscv/preconfigure                    |    6 +-
>  sysdeps/riscv/rv32/Implies-after              |    1 +
>  .../riscv/rv32/fix-fp-int-convert-overflow.h  |   38 +
>  sysdeps/riscv/rv32/rvd/Implies                |    3 +
>  sysdeps/riscv/rv32/rvd/libm-test-ulps         | 1401 +++++++++++
>  sysdeps/riscv/rv32/rvd/libm-test-ulps-name    |    1 +
>  sysdeps/riscv/rv32/rvd/s_lrint.c              |   31 +
>  sysdeps/riscv/rv32/rvd/s_lround.c             |   31 +
>  sysdeps/riscv/rv32/rvf/Implies                |    1 +
>  sysdeps/riscv/rv32/rvf/s_lrintf.c             |   31 +
>  sysdeps/riscv/rv32/rvf/s_lroundf.c            |   31 +
>  sysdeps/riscv/sfp-machine.h                   |   27 +-
>  sysdeps/riscv/sys/asm.h                       |    5 +-
>  sysdeps/unix/sysv/linux/riscv/Makefile        |    4 +-
>  .../unix/sysv/linux/riscv/bits/environments.h |   85 +
>  sysdeps/unix/sysv/linux/riscv/bits/ipctypes.h |   35 +
>  sysdeps/unix/sysv/linux/riscv/bits/time64.h   |   36 +
>  sysdeps/unix/sysv/linux/riscv/bits/timesize.h |   22 +
>  sysdeps/unix/sysv/linux/riscv/c++-types.data  |   67 +
>  sysdeps/unix/sysv/linux/riscv/configure       |   43 +
>  sysdeps/unix/sysv/linux/riscv/configure.ac    |   12 +
>  sysdeps/unix/sysv/linux/riscv/dl-cache.h      |   17 +-
>  .../unix/sysv/linux/riscv/jmp_buf-macros.h    |   53 +
>  sysdeps/unix/sysv/linux/riscv/kernel_stat.h   |   23 +
>  sysdeps/unix/sysv/linux/riscv/ld.abilist      |    5 +
>  sysdeps/unix/sysv/linux/riscv/ldconfig.h      |    2 +-
>  sysdeps/unix/sysv/linux/riscv/ldd-rewrite.sed |    2 +-
>  .../sysv/linux/riscv/libBrokenLocale.abilist  |    1 +
>  sysdeps/unix/sysv/linux/riscv/libanl.abilist  |    4 +
>  sysdeps/unix/sysv/linux/riscv/libc.abilist    | 2099 +++++++++++++++++
>  .../unix/sysv/linux/riscv/libcrypt.abilist    |    2 +
>  sysdeps/unix/sysv/linux/riscv/libdl.abilist   |    9 +
>  sysdeps/unix/sysv/linux/riscv/libm.abilist    |  940 ++++++++
>  .../unix/sysv/linux/riscv/libpthread.abilist  |  213 ++
>  .../unix/sysv/linux/riscv/libresolv.abilist   |   79 +
>  sysdeps/unix/sysv/linux/riscv/librt.abilist   |   35 +
>  .../sysv/linux/riscv/libthread_db.abilist     |   40 +
>  sysdeps/unix/sysv/linux/riscv/libutil.abilist |    6 +
>  sysdeps/unix/sysv/linux/riscv/rv32/Implies    |    3 +
>  .../unix/sysv/linux/riscv/rv32/arch-syscall.h |  283 +++
>  sysdeps/unix/sysv/linux/riscv/shlib-versions  |   10 +-
>  sysdeps/unix/sysv/linux/riscv/sysdep.h        |   80 +-
>  49 files changed, 5868 insertions(+), 25 deletions(-)
>  create mode 100644 sysdeps/riscv/rv32/Implies-after
>  create mode 100644 sysdeps/riscv/rv32/fix-fp-int-convert-overflow.h
>  create mode 100644 sysdeps/riscv/rv32/rvd/Implies
>  create mode 100644 sysdeps/riscv/rv32/rvd/libm-test-ulps
>  create mode 100644 sysdeps/riscv/rv32/rvd/libm-test-ulps-name
>  create mode 100644 sysdeps/riscv/rv32/rvd/s_lrint.c
>  create mode 100644 sysdeps/riscv/rv32/rvd/s_lround.c
>  create mode 100644 sysdeps/riscv/rv32/rvf/Implies
>  create mode 100644 sysdeps/riscv/rv32/rvf/s_lrintf.c
>  create mode 100644 sysdeps/riscv/rv32/rvf/s_lroundf.c
>  create mode 100644 sysdeps/unix/sysv/linux/riscv/bits/environments.h
>  create mode 100644 sysdeps/unix/sysv/linux/riscv/bits/ipctypes.h
>  create mode 100644 sysdeps/unix/sysv/linux/riscv/bits/time64.h
>  create mode 100644 sysdeps/unix/sysv/linux/riscv/bits/timesize.h
>  create mode 100644 sysdeps/unix/sysv/linux/riscv/c++-types.data
>  create mode 100644 sysdeps/unix/sysv/linux/riscv/jmp_buf-macros.h
>  create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_stat.h
>  create mode 100644 sysdeps/unix/sysv/linux/riscv/ld.abilist
>  create mode 100644 sysdeps/unix/sysv/linux/riscv/libBrokenLocale.abilist
>  create mode 100644 sysdeps/unix/sysv/linux/riscv/libanl.abilist
>  create mode 100644 sysdeps/unix/sysv/linux/riscv/libc.abilist
>  create mode 100644 sysdeps/unix/sysv/linux/riscv/libcrypt.abilist
>  create mode 100644 sysdeps/unix/sysv/linux/riscv/libdl.abilist
>  create mode 100644 sysdeps/unix/sysv/linux/riscv/libm.abilist
>  create mode 100644 sysdeps/unix/sysv/linux/riscv/libpthread.abilist
>  create mode 100644 sysdeps/unix/sysv/linux/riscv/libresolv.abilist
>  create mode 100644 sysdeps/unix/sysv/linux/riscv/librt.abilist
>  create mode 100644 sysdeps/unix/sysv/linux/riscv/libthread_db.abilist
>  create mode 100644 sysdeps/unix/sysv/linux/riscv/libutil.abilist
>  create mode 100644 sysdeps/unix/sysv/linux/riscv/rv32/Implies
>  create mode 100644 sysdeps/unix/sysv/linux/riscv/rv32/arch-syscall.h
>
> --
> 2.26.2
>