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GNU Toolchain for ARC Processors, 2019.09-rc3

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@falaleevms falaleevms released this 17 Dec 15:22
· 587 commits to arc-releases since this release
arc-2019.09-rc3
e357e8d

This is the third release candidate of 2019.09 version of the GNU Toolchain for DesignWare ARC Processors.

NOTE: A first release candidate (RC1) was tagged but never published due to issue discovered late in the cycle.

GNU Documentation PDF files can be found in share/doc directory of installed toolchain, as well as online at embarc.org.

A list of useful how-to instructions can also be found on the GNU Toolchain for DesignWare ARC Processors Documentation wiki.

Toolchain and IDE Components Versions

  • Binutils 2.33.1 with ARC patches
  • GCC 9.2.1 with ARC patches
  • GDB 8.3.1 with ARC patches
  • newlib newlib-snapshot-20180831 with ARC patches
  • uClibc-ng v1.0.31
  • glibc 2.30 with ARC patches
  • Eclipse 2018-12 4.10.0 with CDT 9.6.0
  • OpenOCD 0.9+ upstream commit 30203b3d8b, with ARC support.

This release of GNU toolchain and IDE is supported by CGEN IPlib (TCF generator) version 1.0.53 and later.

New Features and Enhancements

  • Binary distribution

    • Supported host operating systems: Windows 10 64-bit, Ubuntu 16.04.x, 18.04.x, CentOS/RHEL 7.x
    • NOTE: this version of the toolchain is no longer compatible with CentOS/RHEL 6.x due to GDB 8.3 requirement for C++11 support in the compiler. It is however possible for users to build elf32 & uClibc toolchains without GDB on CentOS/RHEL 6.x.

  • Toolchain Build Scripts

    • Documentation update

  • GCC

    • Update to GCC 9.2.1, see upstream release notes for more details: https://gcc.gnu.org/gcc-9/changes.html
    • Refurbished interrupt handling code
    • Use of GP & FP registers as general-purpose registers
    • Bug fixes

  • Binutils

  • glibc

    • Updated to upstream 2.30, see upstream release notes for more details: https://sourceware.org/ml/libc-alpha/2019-08/msg00029.html
    • ARC patches submitted for upstream submission as of Jan 2019
    • MMU page size gets detected automatically in run-time via getpagesize()
    • Enabled big-endian ARC support

  • Eclipse plugins

    • Supports AXS 103 with ARC HS48x2 & ARC HS47D
    • Bug fixes

  • OpenOCD

    • Supports AXS 103 with ARC HS48x2 & ARC HS47D
    • Bug fixes

Fixes and improvements in Release Candidate 3

  1. Fixed compilation for -mcpu=em_mini
    Reported: #216
    Fixes in GCC (foss-for-synopsys-dwc-arc-processors/gcc@719202d) & newlib (foss-for-synopsys-dwc-arc-processors/newlib@637f118)

  2. Added support of AXS103 HS47D and HS48 in ARC GNU IDE
    Reported: https://jira.internal.synopsys.com/browse/P10019563-38816
    Fixed: foss-for-synopsys-dwc-arc-processors/arc_gnu_eclipse@db6190f

  3. Added support of AXS103 HS47D and HS48 in OpenOCD
    Reported: https://jira.internal.synopsys.com/browse/P10019563-38749
    Fixed: AXS103 with HS48x2 (foss-for-synopsys-dwc-arc-processors/openocd@697d231) & AXS 103 with HS47D (foss-for-synopsys-dwc-arc-processors/openocd@84efdd4)

Bugs Fixed in this Release

User reported Github issues fixed in this release can be found here:

  1. Toolchain: https://github.com/foss-for-synopsys-dwc-arc-processors/toolchain/milestone/6?closed=1
  2. GCC: https://github.com/foss-for-synopsys-dwc-arc-processors/gcc/milestone/4?closed=1

Known issues

  1. CenOS 6.x hosts are not supported any longer for both running prebuilt tools as well as for building tools, see #202.

  2. Elf32 toolchain fails to build on Ubuntu 18.04 due to misbehaving of cross-assembler, see #197.

  3. GDB compilation may intermittently fail due to unwanted regenerating intl/plural.c, see #212.

Please report any problems by filing an Issue in GitHub here.

Note: The toolchain is only supported for 64-bit versions of linux hosts. 32-bit linux hosts are not supported.

Linux x86_64 Windows x86_64 Linux ARC HS macOS x86_64
Baremetal Little endian \ Big endian Little endian \ Big endian
Linux/uClibc ARC700 Little endian \ Big endian
Linux/uClibc ARC HS Little endian \ Big endian Little endian
Linux/glibc ARC HS Little endian \ Big endian
IDE Download Download Download 
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