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| author | Vineet Gupta <vgupta@synopsys.com> | 2017-11-20 12:46:17 -0800 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2020-07-10 16:31:58 -0700 |
| commit | 758caf37366c3bebd349cd3107341dbfd761189a (patch) | |
| tree | 6afe4bcc49eefc771298028e206821b94f630db0 | |
| parent | 2fc2260ba467831ddd4e0809c4df20bb5cdecd0e (diff) | |
| download | glibc-758caf37366c3bebd349cd3107341dbfd761189a.tar.gz | |
Documentation for ARC port
(a) ABI doc:
https://github.com/foss-for-synopsys-dwc-arc-processors/toolchain/wiki/files/ARCv2_ABI.pdf
(b) Programmer's Reference Manual (PRM) : needs a download request to be filled
https://www.synopsys.com/dw/ipdir.php?ds=arc-hs44-hs46-hs48
https://www.synopsys.com/dw/doc.php/ds/cc/programmers-reference-manual-ARC-HS.pdf
As of port merge (and Florian's patch to fix static TLS), glibc testsuite
(cross-test setup) has following failures:
FAIL: elf/tst-audit14
FAIL: elf/tst-audit15
FAIL: elf/tst-audit16
FAIL: elf/tst-ldconfig-ld_so_conf-update
FAIL: elf/tst-libc_dlvsym
FAIL: elf/tst-libc_dlvsym-static
FAIL: iconv/test-iconvconfig # Needs gconv installed
FAIL: io/ftwtest # Requires execution by non-root
FAIL: io/tst-lockf
FAIL: libio/tst-wfile-sync
FAIL: locale/tst-localedef-path-norm
FAIL: nptl/test-cond-printers # needs Python3 and target GDB on target
FAIL: nptl/test-condattr-printers # ditto
FAIL: nptl/test-mutex-printers # ditto
FAIL: nptl/test-mutexattr-printers # ditto
FAIL: nptl/test-rwlock-printers # ditto
FAIL: nptl/test-rwlockattr-printers # ditto
FAIL: nptl/tst-umask1 # passes if run natively on target (NFS ACLv3 support needed)
FAIL: nss/bug-erange
FAIL: nss/tst-nss-files-hosts-getent
FAIL: nss/tst-nss-files-hosts-multi
FAIL: posix/bug-ga2
FAIL: posix/globtest # require same user on target and host
FAIL: posix/tst-getaddrinfo5
FAIL: stdio-common/tst-vfprintf-width-prec
FAIL: stdio-common/tst-vfprintf-width-prec-alloc
FAIL: stdio-common/tst-vfprintf-width-prec-mem
FAIL: string/tst-strerror
FAIL: string/tst-strsignal
FAIL: sunrpc/bug20790 # missing cpp on target
FAIL: timezone/tst-tzset
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
| -rw-r--r-- | NEWS | 11 | ||||
| -rw-r--r-- | README | 1 | ||||
| -rw-r--r-- | manual/install.texi | 4 |
3 files changed, 16 insertions, 0 deletions
@@ -15,6 +15,17 @@ Major new features: * New locale added: ckb_IQ (Kurdish/Sorani spoken in Iraq) +* Support for Synopsys ARC HS cores (ARCv2 ISA) running Linux has been + added. This port requires at least binutils-2.32, gcc-8.3 and Linux-5.1. + Three ABIs are supported: + + - arc-linux-gnu + - arc-linux-gnuhf + - arceb-linux-gnu + + The arc* ABI is little-endian while arceb is big-endian. All ABIs use + 64-bit time (y2038 safe) and 64-bit file offsets (LFS default). + * The GNU C Library now loads audit modules listed in the DT_AUDIT and DT_DEPAUDIT dynamic section entries of the main executable. @@ -24,6 +24,7 @@ The GNU C Library supports these configurations for using Linux kernels: aarch64*-*-linux-gnu alpha*-*-linux-gnu + arc*-*-linux-gnu arm-*-linux-gnueabi csky-*-linux-gnuabiv2 hppa-*-linux-gnu diff --git a/manual/install.texi b/manual/install.texi index ea0059a4ec..735e99bb03 100644 --- a/manual/install.texi +++ b/manual/install.texi @@ -512,6 +512,8 @@ Library with support for IEEE long double. @c powerpc64le performs an autoconf test to verify the compiler compiles with @c commands like "$CC -c foo.c -mabi=ibmlongdouble -mlong-double-128". +For ARC architecture builds, GCC 8.3 or higher is needed. + For multi-arch support it is recommended to use a GCC which has been built with support for GNU indirect functions. This ensures that correct debugging information is generated for functions selected by IFUNC resolvers. This @@ -537,6 +539,8 @@ For PowerPC 64-bits little-endian (powerpc64le), @command{objcopy} is required to support @option{--update-section}. This option requires binutils 2.26 or newer. +ARC architecture needs @code{binutils} 2.32 or higher for TLS related fixes. + @item GNU @code{texinfo} 4.7 or later |