From 7d75462177569c3b149b7f8da88652fdf2c6a4e0 Mon Sep 17 00:00:00 2001 From: Thomas Schwinge Date: Mon, 20 Dec 2010 19:15:13 +0100 Subject: open_issues/binutils: Update. --- open_issues/binutils.mdwn | 174 +++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 172 insertions(+), 2 deletions(-) (limited to 'open_issues/binutils.mdwn') diff --git a/open_issues/binutils.mdwn b/open_issues/binutils.mdwn index 79fcc4a9..81fafaca 100644 --- a/open_issues/binutils.mdwn +++ b/open_issues/binutils.mdwn @@ -19,6 +19,8 @@ be) the same, there shouldn't be many differences comparing the binutils between the GNU/Hurd and GNU/Linux ports, for example. There are a few, though, as explained below. +[[!toc levels=2]] + # [[General information|/binutils]] @@ -28,7 +30,8 @@ though, as explained below. # Configuration -Last reviewed against cdb2275c9ffb41cacdcee078cf43718ab66c091e (2010-11-24). +Last reviewed up to the [[Git mirror's e347ef3b343fc42ed312d5125047d59ae15df795 +(2010-12-20) sources|source_repositories/binutils]]. * Globally @@ -103,4 +106,171 @@ Last reviewed against cdb2275c9ffb41cacdcee078cf43718ab66c091e (2010-11-24). and 64 bit support. -# [[Testsuite]] +# Build + +Here's a log of a binutils build run; this is from our [[Git +repository's 245f62b817ee31135a190793dddb340f04ac95e6 (2010-12-20) +sources|source_repositories/binutils]], run on kepler.SCHWINGE and grubber. + + $ export LC_ALL=C + $ ../master/configure --prefix="$PWD".install 2>&1 | tee log_build + [...] + $ make SHELL=/bin/bash 2>&1 | tee log_build_ + [...] + +(kepler.SCHWINGE defaults to using /bin/sh for libtool, grubber to /bin/bash; +thus harmonized.) + +On grubber, this takes roughly one hour. + + +## Analysis + +x86 GNU/Linux and GNU/Hurd's configurations are [[slightly +different|binutils]], thus mask out most of the differences that are due to +GNU/Linux defining `-DTRAD_CORE`, `-DHAVE_i386linux_vec` +(`-DSELECT_VECS='[...],&i386linux_vec[...]`), `-DHAVE_i386pei_vec` +(`-DSELECT_VECS='[...],&i386pei_vec[...]`). + + $ diff -wu <(ssh kepler.SCHWINGE 'cd tmp/source/binutils/ && cat hurd/master.build/log_build* | sed -e "s%${PWD}%[...]%g" -e s%-DTRAD_CORE%% -e s%-DHAVE_i386linux_vec%% -e s%-DHAVE_i386pei_vec%% -e s%-DSELECT_VECS=\\\('\\\''\\\?\\\)\&bfd_elf32_i386_vec,\&i386linux_vec,\&i386pei_vec,\&bfd_elf32_little_generic_vec,\&bfd_elf32_big_generic_vec'\\\''\\\?%-DSELECT_VECS=\\\1\\\&bfd_elf32_i386_vec,\\\&bfd_elf32_little_generic_vec,\\\&bfd_elf32_big_generic_vec\\\1%') <(ssh grubber 'cd tmp/binutils/ && cat hurd/master.build/log_build* | sed "s%${PWD}%[...]%g"') > open_issues/binutils/log_build-diff + +[[log_build-diff]]. + + +# Install + + $ make SHELL=/bin/bash install 2>&1 | tee log_install + [...] + +(kepler.SCHWINGE defaults to using /bin/sh, grubber to /bin/bash; thus +harmonized.) + +On grubber, this needs roughly 15 minutes, and takes up around 0.7 GiB. + + +## Analysis + + $ diff -wu <(ssh kepler.SCHWINGE 'cd tmp/source/binutils/ && cat hurd/master.build/log_install | sed -e "s%${PWD}%[...]%g" -e "s%i686-pc-linux-gnu%[ARCH]%g"') <(ssh grubber 'cd tmp/binutils/ && cat hurd/master.build/log_install | sed -e "s%${PWD}%[...]%g" -e "s%i686-unknown-gnu0\.3%[ARCH]%g"') > open_issues/binutils/log_install-diff + +[[log_install-diff]]. + + * `libtool: finish`: `ldconfig` is not run for the Hurd. + + +# Testsuite + + $ make -k check + [...] + +On grubber, this takes roughly one hour. + + $ ssh kepler.SCHWINGE 'cd tmp/source/binutils/ && cat hurd/master.build/*/*.sum hurd/master.build/*/*/*.sum | sed "s%${PWD}%[...]%g"' > open_issues/binutils/sum_linux + $ ssh grubber 'cd tmp/binutils/ && cat hurd/master.build/*/*.sum hurd/master.build/*/*/*.sum | sed "s%${PWD}%[...]%g"' > open_issues/binutils/sum_hurd + +Comparing the results files, [[sum_linux]] to [[sum_hurd]]: + + $ diff -u -F ^Running open_issues/binutils/sum_linux open_issues/binutils/sum_hurd + --- open_issues/binutils/sum_linux 2010-12-20 19:01:06.000000000 +0100 + +++ open_issues/binutils/sum_hurd 2010-12-20 19:01:20.000000000 +0100 + @@ -1,5 +1,5 @@ + -Test Run By thomas on Mon Dec 20 11:34:53 2010 + -Native configuration is i686-pc-linux-gnu + +Test Run By tschwinge on Mon Dec 20 11:35:47 2010 + +Native configuration is i686-unknown-gnu0.3 + + === binutils tests === + + @@ -114,8 +114,8 @@ Running [...]/hurd/master/binutils/tests + + # of expected passes 83 + # of unsupported tests 2 + -Test Run By thomas on Mon Dec 20 11:35:19 2010 + -Native configuration is i686-pc-linux-gnu + +Test Run By tschwinge on Mon Dec 20 11:44:29 2010 + +Native configuration is i686-unknown-gnu0.3 + + === ld tests === + + @@ -296,10 +296,10 @@ Running [...]/hurd/master/ld/testsuite/l + PASS: init array + PASS: fini array + PASS: init array mixed + -PASS: static preinit array + -PASS: static init array + -PASS: static fini array + -PASS: static init array mixed + +XFAIL: static preinit array + +XFAIL: static init array + +XFAIL: static fini array + +XPASS: static init array mixed + Running [...]/hurd/master/ld/testsuite/ld-elf/exclude.exp ... + PASS: ld link shared library + PASS: ld export symbols from archive + @@ -553,8 +553,8 @@ Running [...]/hurd/master/ld/testsuite/l + PASS: ELF DSO weak func last DSO + PASS: ELF weak func first + PASS: ELF weak func last + -PASS: ELF weak func first DSO + -PASS: ELF weak func last DSO + +XFAIL: ELF weak func first DSO + +XFAIL: ELF weak func last DSO + PASS: ELF DSO weak data first + PASS: ELF DSO weak data last + PASS: ELF DSO weak data first DSO + @@ -565,10 +565,10 @@ Running [...]/hurd/master/ld/testsuite/l + PASS: ELF weak data last + PASS: ELF weak data first common + PASS: ELF weak data last common + -PASS: ELF weak data first DSO + -PASS: ELF weak data last DSO + -PASS: ELF weak data first DSO common + -PASS: ELF weak data last DSO common + +XFAIL: ELF weak data first DSO + +XFAIL: ELF weak data last DSO + +XFAIL: ELF weak data first DSO common + +XFAIL: ELF weak data last DSO common + PASS: ELF DSO small bar (size) + PASS: ELF DSO foo with small bar (size) + PASS: ELF DSO big bar (size) + @@ -873,13 +873,14 @@ Running [...]/hurd/master/ld/testsuite/l + + === ld Summary === + + -# of expected passes 618 + -# of expected failures 8 + +# of expected passes 608 + +# of unexpected successes 1 + +# of expected failures 17 + # of untested testcases 6 + /media/data[...]/hurd/master.build/ld/ld-new 2.21.51.20101220 + + -Test Run By thomas on Mon Dec 20 11:34:59 2010 + -Native configuration is i686-pc-linux-gnu + +Test Run By tschwinge on Mon Dec 20 11:38:03 2010 + +Native configuration is i686-unknown-gnu0.3 + + === gas tests === + + + +## Analysis + + * `FAIL: static [...]` + + The testsuite isn't prepared for using `crt0.o` instead of `crt1.o` + depending on whether a static or dynamic executable is created. Documented + in `ld/configure.host`. Perhaps we should finally rewrite this messy code + in glibc to avoid this difference... + + * `FAIL: ld-elf/64ksec` + + On the idle grubber, this one takes a few minutes wall time to complete + successfully ([[I/O system + weakness|performance/io_system/binutils_ld_64ksec]]), so assuming some + system load variation, the testsuite's timeout may trigger. + + * `FAIL: ELF weak [...]` + + [[I|tschwinge]] suppose this is due to us having an override w.r.t. weak + symbol handling in glibc, needed for our external [[/libpthread]]. TODO: + document properly. -- cgit v1.2.3