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-rw-r--r--open_issues/glibc.mdwn81
-rw-r--r--open_issues/glibc/t/tls.mdwn6
-rw-r--r--open_issues/glibc_madvise_vs_static_linking.mdwn2
-rw-r--r--open_issues/libpthread_glibc_nptl_testsuite.mdwn28
4 files changed, 76 insertions, 41 deletions
diff --git a/open_issues/glibc.mdwn b/open_issues/glibc.mdwn
index e94a4f1f..31cafbfe 100644
--- a/open_issues/glibc.mdwn
+++ b/open_issues/glibc.mdwn
@@ -36,8 +36,8 @@ git log --reverse --pretty=fuller --stat=$COLUMNS,$COLUMNS -w -p -C --cc ..sourc
-->
-Last reviewed up to the [[Git mirror's e80d6f94e19d17b91e3cd3ada7193cc88f621feb
-(2012-04-05) sources|source_repositories/glibc]].
+Last reviewed up to the [[Git mirror's 56e49b714ecd32c72c334802b00e3d62008d98e3
+(2012-07-25) sources|source_repositories/glibc]].
* `t/hurdsig-fixes`
@@ -47,7 +47,9 @@ Last reviewed up to the [[Git mirror's e80d6f94e19d17b91e3cd3ada7193cc88f621feb
* `t/host-independency`
- `libc-alpha` discussion/commit. GCC
+ [[!message-id "87bougerfb.fsf@kepler.schwinge.homeip.net"]], [[!message-id
+ "20120525202732.GA31088@intel.com"]], commit
+ 918b56067a444572f1c71b02f18255ae4540b043. [[!GCC_PR 53183]], GCC commit
c05436a7e361b8040ee899266e15bea817212c37.
* `t/sysvshm`
@@ -122,7 +124,7 @@ Last reviewed up to the [[Git mirror's e80d6f94e19d17b91e3cd3ada7193cc88f621feb
checking for i386_set_gdt in mach_i386.defs... yes
checking whether i586-pc-gnu-mig supports the retcode keyword... yes
- * `elf/stackguard-macros.h`
+ * `sysdeps/i386/stackguard-macros.h`
See [[t/tls|t/tls]].
@@ -281,6 +283,7 @@ Last reviewed up to the [[Git mirror's e80d6f94e19d17b91e3cd3ada7193cc88f621feb
* `io/fcntl.h [__USE_ATFILE]`
Do we support `AT_FDCWD` et al.?
+ (80b4e5f3ef231702b24d44c33e8dceb70abb3a06.)
* `MAP_POPULATE` (`mmap`, `sys/mman.h`) -- *Populate (prefault)
pagetables.*
@@ -294,16 +297,15 @@ Last reviewed up to the [[Git mirror's e80d6f94e19d17b91e3cd3ada7193cc88f621feb
make_pages_present(addr, addr + len);
return addr;
- `t/mmap`.
-
- Is only advisory, so can worked around with `#define 0`.
+ Is only advisory, so can worked around with `#define MAP_POPULATE 0`,
+ 8069478040336a7de3461be275432493cc7e4c91.
* `t/opendirat`: `opendirat` (`scandirat`, `scandirat64`)
Need changes equivalent to c55fbd1ea768f9fdef34a01377702c0d72cbc213 +
14d96785125abee5e9a49a1c3037f35a581750bd.
- * `madvise`, `MADV_DONTNEED`
+ * `madvise`, `MADV_DONTNEED`, `MADV_DONTDUMP`, `MADV_DODUMP`
[[glibc_madvise_vs_static_linking]].
@@ -451,9 +453,6 @@ Last reviewed up to the [[Git mirror's e80d6f94e19d17b91e3cd3ada7193cc88f621feb
* 7fb90fb89bbdf273ab7ab96517fe1b156cd7aee1 +
6fb2dde3f1aa3a1419cb6c2dfa53dd1d506722a4 -- `Fix Linux getcwd for long
paths`
- * [low] [[!taglink open_issue_libpthread]]
- 5bdcc10322c488f53557440acf71623d8b313ab5 -- return `EAGAIN` instead of
- `ENOMEM`.
* f574184a0e4b6ed69a5d9a3234543fba6d2a7367 -- `Fix sched_setscheduler
call in spawn implementation`
* 3b85df27870a47ed1db84e948e37a5a50a178a92 +
@@ -541,8 +540,7 @@ Last reviewed up to the [[Git mirror's e80d6f94e19d17b91e3cd3ada7193cc88f621feb
<http://gcc.gnu.org/onlinedocs/gcc/Function-Attributes.html>.
* [low] `conformtest`, 3134156779108fe8b46e0f4cd60d837572faaa93 +
4efeffc1d583597e4f52985b9747269e47b754e2 +
- d94a4670800de6e8f088b8630ad5142866127980 -- takes 1.75 h (out of 2.75 h
- total) on coulomb.SCHWINGE -- disable? Should probably mirror
+ d94a4670800de6e8f088b8630ad5142866127980 -- should probably mirror
`bits/siginfo.h` changes.
* [low] stack guard, 6c6a98c983c44b440ae66d2aa8f32529a9dd7bfe,
[[!message-id "4F3BE241.9090409@mentor.com"]] -- anything needed for
@@ -553,18 +551,26 @@ Last reviewed up to the [[Git mirror's e80d6f94e19d17b91e3cd3ada7193cc88f621feb
"Pine.LNX.4.64.1203090206420.18868@digraph.polyomino.org.uk"]]
02a6f887cb3e2c048937111eb4cf150d397609de -- probably should do the same
for the generic version as used by GNU Hurd.
- * [log] CFI for `_start`, 6a1bd2a100c958d30bbfe8c9b8f9071d24b7c3f4,
+ * [low] CFI for `_start`, 6a1bd2a100c958d30bbfe8c9b8f9071d24b7c3f4,
[[!message-id "20120316180551.GA6291@host2.jankratochvil.net"]] -- what
about other architectures?
+ * `sendmmsg` usage, c030f70c8796c7743c3aa97d6beff3bd5b8dcd5d -- need a
+ `ENOSYS` stub, [[!message-id "87a9zubdm9.fsf@schwinge.name"]],
+ `t/sendmmsg`.
+ * `linkobj/libc.so`, 510bbf14b4f25fec8ee3a2d24de3f24bdbf84333 -- need to
+ adapt for (conditional?) Sun RPC reversion (if that was the original
+ cause for the patch)?
+ * [low] `Add __fsword_t and use it in bits/statfs.h`,
+ 3e5aef87d76cfa7354f2b0d82b96e59280720796, [[!message-id
+ "20120517134700.GA19046@intel.com"]] -- only updates one copy of
+ `bits/statfs.h`; update the others, too, for consistency.
* *baseline*
- * [high] `sendmmsg` usage, c030f70c8796c7743c3aa97d6beff3bd5b8dcd5d --
- need a `ENOSYS` stub.
# Build
Here's a log of a glibc build run; this is from our [[Git repository's
-d7294bbed51242338c4e9c15e1ee74a763259faf (2012-06-21; 2012-03-28) ([[!message-id "878vfhdapq.fsf@schwinge.name"]] applied)
+8958805c11c741d9211e20612c86271d906c9a0b (2012-07-28; 2012-06-30)
sources|source_repositories/glibc]], run on coulomb.SCHWINGE.
$ export LC_ALL=C
@@ -577,7 +583,8 @@ This takes up around 500 MiB and needs roughly X min on kepler.SCHWINGE and 100
min on coulomb.SCHWINGE.
<!--
- $ (make install_root=/INVALID && touch .go-install) 2>&1 | tee log_build_ && test -f .go-install && (make install_root="$PWD".install install && touch .go-check) 2>&1 | tee log_install && test -f .go-check && ln -s /usr/lib/i386-*gnu/libstdc++.so.6 /lib/i386-*gnu/libpthread-stubs.so.0 /lib/i386-*gnu/libgcc_s.so.1 mach/libmachuser.so.1 hurd/libhurduser.so.0.3 ./ && make -k install_root=/INVALID check TIMEOUTFACTOR=10 2>&1 | tee log_test
+
+ $ (make install_root=/INVALID && touch .go-install) 2>&1 | tee log_build_ && test -f .go-install && (make install_root="$PWD".install install && touch .go-check) 2>&1 | tee log_install && test -f .go-check && ln -s /usr/lib/i386-*gnu/libstdc++.so.6 /lib/i386-*gnu/libpthread-stubs.so.0 /lib/i386-*gnu/libgcc_s.so.1 mach/libmachuser.so.1 hurd/libhurduser.so.0.3 ./ && make -k install_root=/INVALID check fast-check=yes 2>&1 | tee log_test
Mask out gcc-4.X (with possibly a backslash before the dot), GCC 4.5's column
output for (warning, error) messages, GCC 4.6's `[-Wsomething]` or `[enabled by
@@ -630,6 +637,8 @@ TODO.
sysdeps/mach/hurd/ioctl.c: In function '__ioctl':
sysdeps/mach/hurd/ioctl.c:306: warning: case value '0' not in enumerated type 'error_t'
+ [[!message-id "20120723195143.7F8142C0B9@topped-with-meat.com"]].
+
* baseline
fd5bdc0924e0cfd1688b632068c1b26f3b0c88da..2ba92745c36eb3c3f3af0ce1b0aebd255c63a13b
introduces:
@@ -657,15 +666,6 @@ TODO.
fd5bdc0924e0cfd1688b632068c1b26f3b0c88da..2ba92745c36eb3c3f3af0ce1b0aebd255c63a13b
introduces:
- ../sysdeps/i386/fpu/bits/fenv.h: Assembler messages:
- ../sysdeps/i386/fpu/bits/fenv.h:125: Warning: translating to `fdivp %st,%st(1)'
-
- Should be fixed as of 2012-04-16.
-
- * baseline
- fd5bdc0924e0cfd1688b632068c1b26f3b0c88da..2ba92745c36eb3c3f3af0ce1b0aebd255c63a13b
- introduces:
-
nscd_gethst_r.c: In function '__nscd_get_nl_timestamp':
nscd_gethst_r.c:112:4: warning: implicit declaration of function 'time' [-Wimplicit-function-declaration]
@@ -683,12 +683,6 @@ TODO.
regcomp.c:935:4: warning: large integer implicitly truncated to unsigned type [-Woverflow]
regcomp.c:936:4: warning: large integer implicitly truncated to unsigned type [-Woverflow]
- In file included from pldd.c:230:0:
- pldd-xx.c:26:0: warning: "static_assert" redefined [enabled by default]
- ../assert/assert.h:119:0: note: this is the location of the previous definition
-
- Should be fixed as of 2012-04-16.
-
tst-relsort1.c:6:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
@@ -699,7 +693,7 @@ TODO.
$ make install_root="$PWD".install install 2>&1 | tee log_install
[...]
-This takes up around 100 MiB, and needs roughly X min on kepler.SCHWINGE and 18
+This takes up around 100 MiB, and needs roughly X min on kepler.SCHWINGE and 16
min on coulomb.SCHWINGE.
@@ -721,10 +715,14 @@ TODO.
# Testsuite
- $ make -k install_root=/INVALID check 2>&1 | tee log_test
+ $ make -k install_root=/INVALID check fast-check=yes 2>&1 | tee log_test
[...]
-This needs roughly X h on kepler.SCHWINGE and 2.75 h on coulomb.SCHWINGE.
+This needs roughly X min on kepler.SCHWINGE and 60 min on coulomb.SCHWINGE.
+
+Specifying `fast-check=yes` disables the `conformtest` which takes 1.75 h (out
+of 2.75 h total) on coulomb.SCHWINGE, doesn't pass anyway, and clearly isn't
+our most critical issue to solve.
<!--
$ ssh kepler.SCHWINGE 'cd tmp/source/gdb/ && sed < hurd/master.build/gdb/testsuite/gdb.sum -e "s%\(/media/data\)\?${PWD}%[...]%g"' > open_issues/gdb/sum_linux
@@ -825,7 +823,7 @@ There is quite a baseline of failures.
Will either need a `hurd/netinet/if_ether.h` that includes
`<net/if_ether.h>`, or can do that in the generic `netinet/if_ether.h`?
- See also [[!sourceware_bug 11142]].
+ See also [[!sourceware_PR 11142]].
* `gmon/tst-sprofil`
@@ -843,7 +841,9 @@ There is quite a baseline of failures.
getcontext failed, errno: 1073741902.
- Is not implemented; see above.
+ Is not implemented; see above. In 8958805c11c741d9211e20612c86271d906c9a0b
+ testing, `stdlib/bug-getcontext.out` now says: *Skipping test; no support
+ for FP exceptions.*
* `elf/tst-unique3lib.so`, `elf/tst-unique3lib2.so`, `elf/tst-unique4lib.so`
@@ -865,11 +865,14 @@ There is quite a baseline of failures.
`expected-results-i486-gnu-libc`).
* `elf/tst-unused-dep.out` (1f393a11f65dcaa1952bdcaf0317a65a5f8aff9d,
- [[!sourceware_bug 13706]], [[!message-id "4F4210C1.1090704@redhat.com"]])
+ [[!sourceware_PR 13706]], [[!message-id "4F4210C1.1090704@redhat.com"]])
Unused direct dependencies:
/home/thomas/tmp/glibc/tschwinge/Roger_Whittaker.build-gcc-4.6-486/dlfcn/libdl.so.2
+ As of 8958805c11c741d9211e20612c86271d906c9a0b, this test now passes --
+ correct?
+
## OLD
diff --git a/open_issues/glibc/t/tls.mdwn b/open_issues/glibc/t/tls.mdwn
index 14ef36e4..68db2cc1 100644
--- a/open_issues/glibc/t/tls.mdwn
+++ b/open_issues/glibc/t/tls.mdwn
@@ -1,4 +1,4 @@
-[[!meta copyright="Copyright © 2011 Free Software Foundation, Inc."]]
+[[!meta copyright="Copyright © 2011, 2012 Free Software Foundation, Inc."]]
[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable
id="license" text="Permission is granted to copy, distribute and/or modify this
@@ -53,6 +53,10 @@ License|/fdl]]."]]"""]]
<tschwinge> And the other offsers are generated via tcb-offsets.sym.
<tschwinge> glibc's elf/stackguard-macros.h is wrong for us (but not
used anywhere apart from elf/tst-stackguard1.c, I think).
+
+After commit a9538892adfbb9f092e0bb14ff3a1703973968af, it's
+`sysdeps/i386/stackguard-macros.h`; problem remains.
+
<tschwinge> __thread __locale_t __libc_tsd_LOCALE = &_nl_global_locale;
-- this means that a __libc_tsd_LOCALE values will be in the TLS
segment, and this is what is being accessed from the assembler code
diff --git a/open_issues/glibc_madvise_vs_static_linking.mdwn b/open_issues/glibc_madvise_vs_static_linking.mdwn
index 1f766428..ab633b0f 100644
--- a/open_issues/glibc_madvise_vs_static_linking.mdwn
+++ b/open_issues/glibc_madvise_vs_static_linking.mdwn
@@ -11,7 +11,7 @@ License|/fdl]]."]]"""]]
[[!tag open_issue_glibc]]
-[[!sourceware_bug 4822]].
+[[!sourceware_PR 4822]].
$ echo 'int main() {}' | gcc -o /dev/null -static -x c -
/usr/lib/gcc/i486-gnu/4.4.5/../../../libcrt.a(malloc.o): In function `_int_free':
diff --git a/open_issues/libpthread_glibc_nptl_testsuite.mdwn b/open_issues/libpthread_glibc_nptl_testsuite.mdwn
new file mode 100644
index 00000000..687f8eea
--- /dev/null
+++ b/open_issues/libpthread_glibc_nptl_testsuite.mdwn
@@ -0,0 +1,28 @@
+[[!meta copyright="Copyright © 2012 Free Software Foundation, Inc."]]
+
+[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable
+id="license" text="Permission is granted to copy, distribute and/or modify this
+document under the terms of the GNU Free Documentation License, Version 1.2 or
+any later version published by the Free Software Foundation; with no Invariant
+Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license
+is included in the section entitled [[GNU Free Documentation
+License|/fdl]]."]]"""]]
+
+[[!tag open_issue_glibc open_issue_libpthread]]
+
+For fun and profit we should run [[glibc]]'s [[NPTL]] testsuite against
+[[libpthread]].
+
+Also, there are sometimes issues fixed in NPTL that libpthread should also be
+checked against. Totally incomplete list:
+
+ * Return `EAGAIN` instead of `ENOMEM`, glibc
+ 5bdcc10322c488f53557440acf71623d8b313ab5.
+ * `pthread_cancel` when single-threaded, glibc
+ 439bf404b8fa125cf950dc1aa37838702c5353ea, [[!sourceware_PR 13613]],
+ [[!message-id "20120509202437.268a72b9@spoyarek"]].
+ * `__libc_stack_end`, glibc 9c6ea9facbba4d430807bd21fa82892d713b1ecd,
+ 18b5e737de22462ab6b3fc89f26c9ad480ebb843, [[!sourceware_PR 12416]],
+ [[!message-id "20120419120021.4780e8c8@spoyarek"]], [[!message-id
+ "20120615005913.4f517e02@spoyarek"]], [[!message-id
+ "4FE378DE.8050906@mentor.com"]].
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-29 21:18:42 +0000