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-rw-r--r--open_issues/glibc.mdwn170
1 files changed, 128 insertions, 42 deletions
diff --git a/open_issues/glibc.mdwn b/open_issues/glibc.mdwn
index 943f44bb..b15c880a 100644
--- a/open_issues/glibc.mdwn
+++ b/open_issues/glibc.mdwn
@@ -49,6 +49,12 @@ Last reviewed up to the [[Git mirror's d40c5d54cb551acba4ef1617464760c5b3d41a14
`t/dup3`: hidden def. ed690b2f24bbc4d9c541fc81a7c67e6dc5678a96 -- why
not for dup3, too? Because it is a syscall (that is always inlined)?
+ * `t/hurdsig-fixes`
+
+ hurdsig.c: In function '_hurd_internal_post_signal':
+ hurdsig.c:1188:26: warning: 'pending' may be used uninitialized in this function [-Wmaybe-uninitialized]
+ hurdsig.c:1168:12: note: 'pending' was declared here
+
* `t/init-first.c`
Follow up here: [[!message-id "20070722171859.GN25744@fencepost.gnu.org"]]
@@ -62,6 +68,15 @@ Last reviewed up to the [[Git mirror's d40c5d54cb551acba4ef1617464760c5b3d41a14
$ git log --reverse --pretty=fuller --stat=$COLUMNS,$COLUMNS -p -C --cc -S__ASSUME_ top-bases/t/kernel-features.h_includes..baseline
+ * `t/sysvshm`
+
+ ../sysdeps/mach/hurd/shmat.c: In function '__shmat':
+ ../sysdeps/mach/hurd/shmat.c:57:7: warning: implicit declaration of function '__close' [-Wimplicit-function-declaration]
+ ../sysdeps/mach/hurd/shmget.c: In function 'get_exclusive':
+ ../sysdeps/mach/hurd/shmget.c:85:8: warning: variable 'is_private' set but not used [-Wunused-but-set-variable]
+ ../sysdeps/mach/hurd/shmget.c:102:8: warning: 'dir' may be used uninitialized in this function [-Wmaybe-uninitialized]
+ ../sysdeps/mach/hurd/shmget.c:102:8: warning: 'file' may be used uninitialized in this function [-Wmaybe-uninitialized]
+
* [[`t/tls`|t/tls]]
* [[`t/tls-threadvar`|t/tls-threadvar]]
@@ -127,6 +142,8 @@ Last reviewed up to the [[Git mirror's d40c5d54cb551acba4ef1617464760c5b3d41a14
* `elf/stackguard-macros.h`
+ See [[t/tls|t/tls]].
+
* Verify 77c84aeb81808c3109665949448dba59965c391e against
`~/shared/glibc/make_TAGS.patch`.
@@ -135,7 +152,32 @@ Last reviewed up to the [[Git mirror's d40c5d54cb551acba4ef1617464760c5b3d41a14
* Unify `CPUCLOCK_WHICH` stuff in `clock_*` files.
* Not all tests are re-run in a `make -k tests; make tests-clean; make -k
- tests` cycle.
+ tests` cycle. For example, after `make tests-clean`:
+
+ $ find ./ -name \*.out
+ ./localedata/tst-locale.out
+ ./localedata/sort-test.out
+ ./localedata/de_DE.out
+ ./localedata/en_US.out
+ ./localedata/da_DK.out
+ ./localedata/hr_HR.out
+ ./localedata/sv_SE.out
+ ./localedata/tr_TR.out
+ ./localedata/fr_FR.out
+ ./localedata/si_LK.out
+ ./localedata/tst-mbswcs.out
+ ./iconvdata/iconv-test.out
+ ./iconvdata/tst-tables.out
+ ./stdlib/isomac.out
+ ./posix/wordexp-tst.out
+ ./posix/annexc.out
+ ./posix/tst-getconf.out
+ ./elf/check-textrel.out
+ ./elf/check-execstack.out
+ ./elf/check-localplt.out
+ ./c++-types-check.out
+ ./check-local-headers.out
+ ./begin-end-check.out
* `CPUCLOCK_WHICH`, `t/cpuclock`
@@ -220,6 +262,8 @@ Last reviewed up to the [[Git mirror's d40c5d54cb551acba4ef1617464760c5b3d41a14
* `sys/timerfd.h`
+ * `timespec_get` (74033a2507841cf077e31221de2481ff30b43d51)
+
* Create `t/cleanup_kernel-features.h`.
* Add tests from Linux kernel commit messages for `t/dup3` et al.
@@ -394,9 +438,9 @@ Last reviewed up to the [[Git mirror's d40c5d54cb551acba4ef1617464760c5b3d41a14
* a7c8e6a1478de9f990b11e5e853318ccbe4330f2 (`Fix invalid conversion in
__cmsg_nxthdr`). Probably just a C++ thing and not relevant for us;
see [[!message-id "87r52nk1kx.fsf@kepler.schwinge.homeip.net"]].
- * [high] `__ctype_init`, fd5bdc0924e0cfd1688b632068c1b26f3b0c88da.
- Probably need to mirror `init-first.c` change.
- * [high] `__attribute__ ((__leaf__))`, `BZ #13344`,
+ * [low] `mmap`, 110946e473b38fc3896212e416d9d7064fecd5b7. Kosher with
+ respect to our [[glibc/mmap]] peculiarities?
+ * [OK] `__attribute__ ((__leaf__))`, `BZ #13344`,
aa78043a4aafe5db1a1a76d544a833b63b4c5f5c +
49a43d80ec5c97cf6136b1ee2687414773b2d5aa +
3871f58f065dac3917eb18220a479e9591769c8c +
@@ -404,21 +448,8 @@ Last reviewed up to the [[Git mirror's d40c5d54cb551acba4ef1617464760c5b3d41a14
0ffc4f3ebaace42cd545db55a2ac50b6e0cc7d89 +
edc5984d4d18296d7aa3d8f4ed8f7336a743170e +
57769839788e2c62b68d9dfbf4b35052321278ba.
- <http://gcc.gnu.org/onlinedocs/gcc-4.6.1/gcc/Function-Attributes.html>.
- * [low] implement `timespec_get`,
- 74033a2507841cf077e31221de2481ff30b43d51.
- * [low] `__volatile`, `BZ #13553`,
- a784e502472fb3a1afa4d01a47c66b52d23e00f6:
- `sysdeps/mach/i386/machine-lock.h:typedef __volatile int
- __spin_lock_t;`, `sysdeps/mach/powerpc/machine-lock.h:typedef
- __volatile long int __spin_lock_t;`
- * [high] 6ee65ed6ddbf04402fad0bec6aa9c73b9d982ae4, hopefully OK.
- * [high] `crti`/`crtn`, 3add8e1353d62d77fdd9b4ca363cdfe7006b0efb,
- 0e7dfaef514bbb3ec08934c6f7f42953bc149257, should just work.
- * 7638c0fda568726f52ee5a88e1eadcddcd9fa290, `EHWPOISON`, does
- [[!message-id
- "Pine.LNX.4.64.1202191652540.3253@digraph.polyomino.org.uk"]] apply for
- us?
+ <http://gcc.gnu.org/onlinedocs/gcc/Function-Attributes.html>.
+ * *baseline*
* [low] `conformtest`, 3134156779108fe8b46e0f4cd60d837572faaa93 +
4efeffc1d583597e4f52985b9747269e47b754e2 +
d94a4670800de6e8f088b8630ad5142866127980 -- what does it do for us?
@@ -427,20 +458,20 @@ Last reviewed up to the [[Git mirror's d40c5d54cb551acba4ef1617464760c5b3d41a14
# Build
Here's a log of a glibc build run; this is from our [[Git repository's
-d740cf9d201dc9ecb0335b0a585828dea9cce793 (2011-10-25)
+001500ab4e25e6b8cf83eb9539e362ed4803d2c1 (2012-04-05; 2012-02-25)
sources|source_repositories/glibc]], run on coulomb.SCHWINGE.
$ export LC_ALL=C
- $ ../Roger_Whittaker/configure AUTOCONF=: --prefix=/usr --disable-profile --disable-multi-arch --build=i486-gnu --host=i486-gnu CC=gcc-4.4 CXX=g++-4.4 2>&1 | tee log_build
+ $ ../Roger_Whittaker/configure AUTOCONF=: --prefix=/usr --disable-profile --disable-multi-arch --build=i486-gnu --host=i486-gnu CC=gcc-4.6 CXX=g++-4.6 2>&1 | tee log_build
[...]
$ make install_root=/INVALID 2>&1 | tee log_build_
[...]
-This takes up around 500 MiB and needs roughly X min on kepler.SCHWINGE and 100
+This takes up around 500 MiB and needs roughly X min on kepler.SCHWINGE and 110
min on coulomb.SCHWINGE (GCC 4.4/4.5/4.6).
<!--
- $ (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=100 2>&1 | tee log_check
+ $ (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_check
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
@@ -491,6 +522,63 @@ 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'
+ * baseline
+ fd5bdc0924e0cfd1688b632068c1b26f3b0c88da..2ba92745c36eb3c3f3af0ce1b0aebd255c63a13b
+ introduces:
+
+ genops.c: In function '_IO_flush_all_lockp':
+ genops.c:869:3: warning: passing argument 1 of '__save_FCT' makes pointer from integer without a cast [enabled by default]
+ genops.c:869:3: note: expected 'void *' but argument is of type 'int'
+
+ A similar warning has already been (and still is) seen here:
+
+ dl-iteratephdr.c:83:3: warning: passing argument 1 of '__save_FCT' makes pointer from integer without a cast [enabled by default]
+ dl-iteratephdr.c:83:3: note: expected 'void *' but argument is of type 'int'
+
+ * baseline
+ fd5bdc0924e0cfd1688b632068c1b26f3b0c88da..2ba92745c36eb3c3f3af0ce1b0aebd255c63a13b
+ (or probably Samuel's mmap backport) introduces:
+
+ ../sysdeps/mach/hurd/mmap.c: In function '__mmap':
+ ../sysdeps/mach/hurd/mmap.c:54:15: warning: comparison between pointer and integer [enabled by default]
+ ../sysdeps/mach/hurd/mmap.c:66:21: warning: comparison between pointer and integer [enabled by default]
+ ../sysdeps/mach/hurd/mmap.c:143:13: warning: comparison between pointer and integer [enabled by default]
+ ../sysdeps/mach/hurd/mmap.c:165:24: warning: comparison between pointer and integer [enabled by default]
+
+ * baseline
+ 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)'
+
+ * 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]
+
+ This was already present before:
+
+ nscd_gethst_r.c: In function 'nscd_gethst_r':
+ nscd_gethst_r.c:426:5: warning: implicit declaration of function '__close' [-Wimplicit-function-declaration]
+
+ * baseline
+ 2ba92745c36eb3c3f3af0ce1b0aebd255c63a13b..7a270350a9bc3110cd5ba12bbd8c5c8c365e0032
+ introduces:
+
+ In file included from regex.c:62:0:
+ regcomp.c: In function 'init_word_char':
+ 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
+
+ tst-relsort1.c:6:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
+
# Install
@@ -522,7 +610,7 @@ TODO.
$ make -k install_root=/INVALID check 2>&1 | tee log_check
[...]
-This needs roughly 55 min on coulomb.SCHWINGE.
+This needs roughly 60 min on coulomb.SCHWINGE.
<!--
$ 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
@@ -619,33 +707,18 @@ There is quite a baseline of failures.
tst-ether_line.c:19: error: 'ETH_ALEN' undeclared (first use in this function)
- * `time/tst-mktime2`
-
- tst-mktime2.c:132: error: 'INT_MAX' undeclared (first use in this function)
-
- * `io/tst-readlinkat`
-
- /media/erich/home/thomas/tmp/glibc/tschwinge/Roger_Whittaker/io/tst-readlinkat.c:109: warning: warning: readlinkat is not implemented and will always fail
+ 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]].
* `gmon/tst-sprofil`
Floating point exception
- * `posix/tst-sysconf`
-
- tst-sysconf.c:32: error: '_POSIX_PRIORITIZED_IO' undeclared here (not in a function)
- tst-sysconf.c:33: error: '_POSIX_PRIORITY_SCHEDULING' undeclared here (not in a function)
- tst-sysconf.c:43: error: '_POSIX_SPIN_LOCKS' undeclared here (not in a function)
- tst-sysconf.c:45: error: '_POSIX_SYNCHRONIZED_IO' undeclared here (not in a function)
-
* `posix/bug-regex31-mem`, `posix/tst-fnmatch-mem`
*output* files: some memory not freed.
- * `string/test-strnlen`
-
- /media/erich/home/thomas/tmp/glibc/tschwinge/Roger_Whittaker/string/test-strnlen.c:87: undefined reference to `MIN'
-
* `assert/test-assert.out`
Fails sometimes...
@@ -662,6 +735,19 @@ There is quite a baseline of failures.
/home/thomas/tmp/glibc/tschwinge/Roger_Whittaker.build-gcc-4.4-486/elf/tst-unique3lib.os:(.data.DW.ref.__gxx_personality_v0[DW.ref.__gxx_personality_v0]+0x0): undefined reference to `__gxx_personality_v0'
+ * `math/test-fenv.out`
+
+ Used to fail (is listed in Debian eglibc-2.13-21's
+ `expected-results-i486-gnu-libc`), but something between
+ 22bcba37dd3b782b1a1ec7bf51da468e48f4d2eb and
+ 005b7594ffe209639dd1ef2b9ed9a4c22307dec1 causes it to passe -- very likely
+ Jérémie's signaling work.
+
+ * `posix/tst-waitid.out`
+
+ Fails sometimes (is listed in Debian eglibc-2.13-21's
+ `expected-results-i486-gnu-libc`).
+
## OLD