diff options
| -rw-r--r-- | open_issues/binutils.mdwn | 346 | ||||
| -rw-r--r-- | open_issues/gcc.mdwn | 28 | ||||
| m--------- | toolchain/logs | 10 |
3 files changed, 326 insertions, 58 deletions
diff --git a/open_issues/binutils.mdwn b/open_issues/binutils.mdwn index e024ace8..328cc24b 100644 --- a/open_issues/binutils.mdwn +++ b/open_issues/binutils.mdwn @@ -47,8 +47,8 @@ git diff --patience --stat=$COLUMNS,$COLUMNS --patch --src-prefix=./ --dst-prefi --> -Last reviewed up to Git commit 9ef9e6a6a0dd8f948708cb67c9afcfd0be40cb0a -(2016-02-10). +Last reviewed up to Git commit 03b62bbbce3dc5f15131d9e78f77d035cd1cffb3 +(2016-11-23). * Globally @@ -119,35 +119,6 @@ Last reviewed up to Git commit 9ef9e6a6a0dd8f948708cb67c9afcfd0be40cb0a * In `gdb/gnu-nat.c:gnu_wait`, we don't implement `gdb/target/wait.h:TARGET_WNOHANG`. What is this needed for? - * *complete errno.h* - - diff --git toolchain/logs/binutils-gdb/kepler.SCHWINGE/log_build_ toolchain/logs/binutils-gdb/laplace.SCHWINGE/log_build_ - [...] - -checking for complete errno.h... yes - +checking for complete errno.h... no - +checking for EMULTIHOP value... yes - +checking for ENOLINK value... yes - +checking for EOVERFLOW value... yes - [...] - +rm -f errno.h-t errno.h && \ - +{ echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */' && \ - + sed -e 's|@''GUARD_PREFIX''@|GL|g' \ - + -e 's|@''INCLUDE_NEXT''@|include_next|g' \ - + -e 's|@''PRAGMA_SYSTEM_HEADER''@|#pragma GCC system_header|g' \ - + -e 's|@''PRAGMA_COLUMNS''@||g' \ - + -e 's|@''NEXT_ERRNO_H''@|<errno.h>|g' \ - + -e 's|@''EMULTIHOP_HIDDEN''@|0|g' \ - + -e 's|@''EMULTIHOP_VALUE''@||g' \ - + -e 's|@''ENOLINK_HIDDEN''@|0|g' \ - + -e 's|@''ENOLINK_VALUE''@||g' \ - + -e 's|@''EOVERFLOW_HIDDEN''@|0|g' \ - + -e 's|@''EOVERFLOW_VALUE''@||g' \ - + < ../../../../W._C._Handy/gdb/gnulib/import/errno.in.h; \ - +} > errno.h-t && \ - +mv errno.h-t errno.h - - [[!taglink open_issue_glibc]]? - * Watchpoints * Unresolved issues w.r.t. watchpoint usage in context of multiple @@ -332,20 +303,117 @@ Last reviewed up to Git commit 9ef9e6a6a0dd8f948708cb67c9afcfd0be40cb0a ^ ../../W._C._Handy/gdb/gnu-nat.c:2973:7: error: invalid initializer - Commit 5d5658a1d3c3eb2a09c03f2f0662a1c01963c869 renamed `thread_id_to_pid` - to `global_thread_id_to_ptid`. + Commit 5d5658a1d3c3eb2a09c03f2f0662a1c01963c869 + `Per-inferior/Inferior-qualified thread IDs` renamed `thread_id_to_pid` to + `global_thread_id_to_ptid`. + + * 9ef9e6a6a0dd8f948708cb67c9afcfd0be40cb0a..a932d108b10518994c873b38a363af9f21bc2e87 + + diff --git ./ld/testsuite/lib/ld-lib.exp ./ld/testsuite/lib/ld-lib.exp + @@ -1796,6 +1797,13 @@ proc check_lto_available { } { + {+# This test will hide LTO bugs in ld. Since GCC 4.9 adds+} + {+ # -ffat-lto-objects, we always run LTO tests on Linux with+} + {+ # GCC 4.9 or newer.+} + {+ if { [istarget "*-*-linux*"] && [at_least_gcc_version 4 9] } {+} + {+ set lto_available_saved 1+} + {+ return 1+} + {+ }+} + + diff --git ./ld/testsuite/lib/ld-lib.exp ./ld/testsuite/lib/ld-lib.exp + @@ -1830,6 +1840,13 @@ proc check_lto_fat_available { } { + {+# This test will hide LTO bugs in ld. Since GCC 4.9 adds+} + {+ # -ffat-lto-objects, we always run LTO tests on Linux with+} + {+ # GCC 4.9 or newer.+} + {+ if { [istarget "*-*-linux*"] && [at_least_gcc_version 4 9] } {+} + {+ set lto_fat_available_saved 1+} + {+ return 1+} + {+ }+} + + diff --git ./ld/testsuite/lib/ld-lib.exp ./ld/testsuite/lib/ld-lib.exp + @@ -1864,6 +1883,13 @@ proc check_lto_shared_available { } { + {+# This test will hide LTO bugs in ld. Since GCC 4.9 adds+} + {+ # -ffat-lto-objects, we always run LTO tests on Linux with+} + {+ # GCC 4.9 or newer.+} + {+ if { [istarget "*-*-linux*"] && [at_least_gcc_version 4 9] } {+} + {+ set lto_shared_available_saved 1+} + {+ return 1+} + {+ }+} + + + * a932d108b10518994c873b38a363af9f21bc2e87..f245535cf583ae4ca13b10d47b3c7d3334593ece + + `gas/NEWS`: `Default to --enable-compressed-debug-sections=gas for + Linux/x86 targets.` + + `gas/configure.tgt`: + + +case ${cpu_type}-${fmt}-${os} in + +i386-elf-linux*) + + # Default to compress DWARF debug sections for Linux/x86. + + if test ${ac_default_compressed_debug_sections} = unset; then + + ac_default_compressed_debug_sections=yes + + fi + + ;; + +esac + + + `ld/NEWS`: `Add a configure option --enable-relro to decide whether -z + relro should be enabled in ELF linker by default. Default to yes for all + Linux targets except FRV, HPPA, IA64 and MIPS.` + + `ld/configure.tgt`: + + +case "${target}" in + +frv-*-* | hppa*-*-* | ia64-*-* | mips*-*-*) + + # Don't enable -z relro by default since many relro tests fail on these + + # targets: + + # FAIL: strip -z relro (relro1) + + # FAIL: strip -z relro -shared (relro1) + + # FAIL: objcopy -z relro (relro1) + + # FAIL: objcopy -z relro -shared (relro1) + + # FAIL: objcopy -z relro (tdata1) + + # FAIL: objcopy -shared -z relro (tdata1) + + # FAIL: objcopy -z relro (tdata2) + + # FAIL: objcopy -shared -z relro (tdata2) + + # FAIL: objcopy -z relro (tdata3) + + # FAIL: objcopy -shared -z relro (tdata3) + + # FAIL: objcopy -shared -z relro (tbss1) + + # FAIL: objcopy -shared -z relro (tbss2) + + # FAIL: objcopy -shared -z relro (tbss3) + + ;; + +*-*-linux*) + + if test ${ac_default_ld_z_relro} = unset; then + + ac_default_ld_z_relro=1 + + fi + + ;; + +esac + + + --- /dev/null + +++ ./ld/testsuite/ld-i386/tls.exp + +# Only on Linux for now. + +if ![istarget "i?86-*-linux*"] { + + return + +} + + --- /dev/null + +++ ./ld/testsuite/ld-i386/tlsgd3.dd + +++ ./ld/testsuite/ld-i386/tlsld2.dd + +#target: i?86-*-linux* # Build Here's a log of a binutils-gdb build run; this is from Git commit -9ef9e6a6a0dd8f948708cb67c9afcfd0be40cb0a (2016-02-10), plus `PATH_MAX` -hard-coded in `gdb/remote.c`, and `global_thread_id_to_ptid` used instead of -`thread_id_to_pid` in `gdb/gnu-nat.c`, run on kepler.SCHWINGE +03b62bbbce3dc5f15131d9e78f77d035cd1cffb3 (2016-11-23), +plus `PATH_MAX` hard-coded in `gdb/inferior.c` and `gdb/remote.c`, +and `global_thread_id_to_ptid` used instead of +`thread_id_to_pid` in `gdb/gnu-nat.c`, +and C++ compatibility changes for the x86 GNU/Hurd port, run on kepler.SCHWINGE and laplace.SCHWINGE. $ export LC_ALL=C - $ ../W._C._Handy/configure --prefix="$PWD".install --enable-gold --enable-plugins --with-sysroot=/ SHELL=/bin/dash CC=gcc-4.9 CXX=g++-4.9 --disable-werror 2>&1 | tee log_build + $ ../W._C._Handy/configure --prefix="$PWD".install --enable-gold --enable-plugins --with-sysroot=/ SHELL=/bin/dash CC=gcc-6 CXX=g++-6 --disable-werror 2>&1 | tee log_build [...] $ make 2>&1 | tee log_build_ [...] @@ -357,13 +425,13 @@ so we need to configure with support for plugins and sysroots. In the GDB build, there are compiler diagnostics reported in the MIG-generated stub files; thus no `-Werror` until that is resolved. -This takes up around 1.5 GiB, and runs for [[17 min|performance#measure]] on -kepler.SCHWINGE and [[19 min|performance#measure]] on laplace.SCHWINGE. +This takes up around 1.8 GiB, and runs for [[25 min|performance#measure]] on +kepler.SCHWINGE and [[25 min|performance#measure]] on laplace.SCHWINGE. <!-- - $ (make && touch .go-install) 2>&1 | tee log_build_ && test -f .go-install && (make install && touch .go-test) 2>&1 | tee log_install && test -f .go-test && make -k check 2>&1 | tee log_test - $ (make && touch .go-install) 2>&1 | tee log_build_ && test -f .go-install && (make install && touch .go-test) 2>&1 | tee log_install && test -f .go-test && LD_PRELOAD=$HOME/fopen,unlink-NULL-wrapper.so make -k check 2>&1 | tee log_test + $ (make && touch .go-install) 2>&1 | tee log_build_ && test -f .go-install && (make install && touch .go-test) 2>&1 | tee log_install && test -f .go-test && sed -e 's%^\([A-Z]\+ = g..-6\)%override \1 -fno-pie -fno-PIE -no-pie%g' -i gold/testsuite/Makefile && make -k check RUNTESTFLAGS=CC_FOR_TARGET='gcc-6\ -fno-pie\ -fno-PIE\ -no-pie'\ CXX_FOR_TARGET='g++-6\ -fno-pie\ -fno-PIE\ -no-pie' CC_FOR_TARGET='gcc-6 -fno-pie -fno-PIE -no-pie' CXX_FOR_TARGET='g++-6 -fno-pie -fno-PIE -no-pie' 2>&1 | tee log_test + $ (make && touch .go-install) 2>&1 | tee log_build_ && test -f .go-install && (make install && touch .go-test) 2>&1 | tee log_install && test -f .go-test && sed -e 's%^\([A-Z]\+ = g..-6\)%override \1 -fno-pie -fno-PIE -no-pie%g' -i gold/testsuite/Makefile && LD_PRELOAD=$HOME/fopen,unlink-NULL-wrapper.so make -k check RUNTESTFLAGS=CC_FOR_TARGET='gcc-6\ -fno-pie\ -fno-PIE\ -no-pie'\ CXX_FOR_TARGET='g++-6\ -fno-pie\ -fno-PIE\ -no-pie' CC_FOR_TARGET='gcc-6 -fno-pie -fno-PIE -no-pie' CXX_FOR_TARGET='g++-6 -fno-pie -fno-PIE -no-pie' 2>&1 | tee log_test --> @@ -395,6 +463,8 @@ formats, and more emulation vectors. THREAD_STATE_CLEAR_TRACED (state); ^ + This is no longer seen after the switch to build with C++ instead of C. + * fe19822761b4635f392875a186e48af446b40f41..7a63e9515491f21eaf07301df87d389def20e317: `-Wmissing-prototypes` @@ -413,6 +483,9 @@ formats, and more emulation vectors. msg_reply_S.c:165:24: warning: no previous prototype for 'msg_reply_server' [-Wmissing-prototypes] exc_request_S.c:157:24: warning: no previous prototype for 'exc_server' [-Wmissing-prototypes] + These are no longer seen after the switch to build with C++ instead of C + (but these files are built with `-x c`?). + * `O_NOFOLLOW` First seen in @@ -470,7 +543,7 @@ formats, and more emulation vectors. $ make install 2>&1 | tee log_install [...] -This takes up around 220 MiB, and runs for [[0 min|performance#measure]] on +This takes up around 270 MiB, and runs for [[0 min|performance#measure]] on kepler.SCHWINGE and [[1 min|performance#measure]] on laplace.SCHWINGE. @@ -483,10 +556,21 @@ kepler.SCHWINGE and [[1 min|performance#measure]] on laplace.SCHWINGE. # Testsuite - $ make -k check 2>&1 | tee log_test +At least for GNU/Linux, Debian's GCC 6 is configured with +`--enable-default-pie` -- which the *gdb*, *gold*, and *ld* testsuites don't +like, so we have to cancel that for testing. +`CC_FOR_TARGET` and `CXX_FOR_TARGET` in `RUNTESTFLAGS` is considered by the *gdb* testsuite, +`CC_FOR_TARGET` and `CXX_FOR_TARGET` on the `make` command line by the *ld* testsuite, +`CC` and `CXX` on the `make` command line by the *gold* testsuite +but only when invoked (from the top level) as `make check-gold` and not when run as part of `make check`... +I couldn't figure out a command-line variant for *gold* testsuite, +so instead we apply an ugly hack to `gold/testsuite/Makefile`. + + $ sed -e 's%^\([A-Z]\+ = g..-6\)%override \1 -fno-pie -fno-PIE -no-pie%g' -i gold/testsuite/Makefile + $ make -k check RUNTESTFLAGS=CC_FOR_TARGET='gcc-6\ -fno-pie\ -fno-PIE\ -no-pie'\ CXX_FOR_TARGET='g++-6\ -fno-pie\ -fno-PIE\ -no-pie' CC_FOR_TARGET='gcc-6 -fno-pie -fno-PIE -no-pie' CXX_FOR_TARGET='g++-6 -fno-pie -fno-PIE -no-pie' 2>&1 | tee log_test [...] -This runs for [[26 min|performance#measure]] on kepler.SCHWINGE and [[89 +This runs for [[25 min|performance#measure]] on kepler.SCHWINGE and [[71 min|performance#measure]] on laplace.SCHWINGE. When running `make -k check 2>&1 | tee log_test`, at the end of the testsuite @@ -576,6 +660,8 @@ like `gdb/testsuite/boards/cc-with-tweaks.exp` would help, or setting Same issue for `FAIL: Common symbol override ifunc *` ones? + Same issue for `FAIL: Run pr19579`? + * <a name="64ksec">`FAIL: ld-elf/64ksec`</a> On the idle grubber, this one takes a few minutes wall time to complete @@ -1171,7 +1257,8 @@ like `gdb/testsuite/boards/cc-with-tweaks.exp` would help, or setting backtraces, for example. Earlier on, these just FAILed on laplace.SCHWINGE; since 9939e1314f970c6ba568956148a518ac710a280a..c2853f3d99797a321c37948297441ca6021f719a - on kepler.SCHWINGE, too. TODO. + on kepler.SCHWINGE, too. Later, FAILs again disappeared on + kepler.SCHWINGE. * [[libgc|boehm_gc]] `GC_find_limit_with_bound` SIGSEGVs @@ -1229,6 +1316,12 @@ like `gdb/testsuite/boards/cc-with-tweaks.exp` would help, or setting #9 0x081db277 in gdb_main (args=0x1bff164) at ../../W._C._Handy/gdb/main.c:1062 #10 0x0809714b in main (argc=5, argv=0x1bff1f4) at ../../W._C._Handy/gdb/gdb.c:33 + 2016-05-25, commit 9ef9e6a6a0dd8f948708cb67c9afcfd0be40cb0a (2016-02-10): + problem confirmed, when manually running GDB to debug another GDB instance. + Worked around by `#if 0`ing the bodies of + `gdb/guile/guile.c:_initialize_guile`, and + `gdb/guile/guile.c:gdbscm_finish_initialization`. + TODO. * In @@ -1298,6 +1391,169 @@ like `gdb/testsuite/boards/cc-with-tweaks.exp` would help, or setting [-* 4 Thread 6719.7 main (ac=1, av=0x102cda4) at ../../../W._C._Handy/bfd/doc/chew.c:1494-] [- 3-]{+1+} bogus thread id 6 Can't fetch registers from thread bogus thread id 6: No such thread + Commit f303dbd60d9c7984832446eeb9d4e4d89703c615 `Fix PR threads/19422 - + show which thread caused stop` needs additional changes for Hurd. + Reverting that one, the `Thread 4 hit` prefix goes away, but `info threads` + still doesn't work. + + Bisected the `info threads` problem to commit + 7e0aa6aa9983c745aedc203db0cc360a0ad47cac `List inferiors/threads/pspaces in + ascending order`. Does that one sort the `bogus thread id 6` first, and + GDB stops after running into any such bogus thread ID? + + $ gdb/gdb -q --args gdb/gdb -q bfd/doc/chew --batch -ex 'break main' -ex r -ex 'info threads' + + new_thread calls: + + #0 new_thread (ptid=...) at ../../W._C._Handy/gdb/thread.c:234 + #1 0x081dc973 in add_thread_silent (ptid=...) at ../../W._C._Handy/gdb/thread.c:304 + #2 0x080bcc9b in fork_inferior (exec_file_arg=0x877b868 "/media/erich/home/thomas/tmp/binutils-gdb/tschwinge/W._C._Handy.build/bfd/doc/chew", allargs=0x8787d28 "", env=0x87312f0, traceme_fun=0x2804864, init_trace_fun=0x0, pre_trace_fun=0x0, shell_file_arg=0x0, exec_fun=0x0) at ../../W._C._Handy/gdb/fork-child.c:397 + #3 0x080ba574 in gnu_create_inferior (ops=0x868c148, exec_file=0x877b868 "/media/erich/home/thomas/tmp/binutils-gdb/tschwinge/W._C._Handy.build/bfd/doc/chew", allargs=0x8787d28 "", env=0x87312f0, from_tty=0) at ../../W._C._Handy/gdb/gnu-nat.c:2136 + #4 0x081c4687 in run_command_1 (args=<optimized out>, from_tty=0, tbreak_at_main=<optimized out>) at ../../W._C._Handy/gdb/infcmd.c:604 + #5 0x082aa39d in execute_command (p=<optimized out>, from_tty=0) at ../../W._C._Handy/gdb/top.c:475 + #6 0x081e18c8 in catch_command_errors (command=0x82aa160 <execute_command>, arg=0x102d079 "r", from_tty=0) at ../../W._C._Handy/gdb/main.c:368 + + #0 new_thread (ptid=...) at ../../W._C._Handy/gdb/thread.c:234 + #1 0x081dc973 in add_thread_silent (ptid=...) at ../../W._C._Handy/gdb/thread.c:304 + #2 0x080b8359 in inf_validate_procs (inf=0x87a31e0) at ../../W._C._Handy/gdb/gnu-nat.c:1104 + #3 0x080b85f1 in inf_update_procs (inf=0x87a31e0) at ../../W._C._Handy/gdb/gnu-nat.c:1123 + #4 0x080b871e in inf_suspend (inf=0x87a31e0) at ../../W._C._Handy/gdb/gnu-nat.c:1179 + #5 0x080b97a7 in gnu_wait (ops=0x868c148, ptid=..., status=0x2804810, options=0) at ../../W._C._Handy/gdb/gnu-nat.c:1530 + #6 0x08204a17 in delegate_wait (self=<optimized out>, arg1=..., arg2=0x2804810, arg3=0) at ../../W._C._Handy/gdb/target-delegates.c:116 + #7 0x08213c18 in target_wait (ptid=..., status=0x2804810, options=0) at ../../W._C._Handy/gdb/target.c:2256 + #8 0x080bce8d in startup_inferior (ntraps=1) at ../../W._C._Handy/gdb/fork-child.c:445 + #9 0x080ba612 in gnu_create_inferior (ops=0x868c148, exec_file=0x877b868 "/media/erich/home/thomas/tmp/binutils-gdb/tschwinge/W._C._Handy.build/bfd/doc/chew", allargs=0x8787d28 "", env=0x87312f0, from_tty=0) at ../../W._C._Handy/gdb/gnu-nat.c:2158 + #10 0x081c4687 in run_command_1 (args=<optimized out>, from_tty=0, tbreak_at_main=<optimized out>) at ../../W._C._Handy/gdb/infcmd.c:604 + #11 0x082aa39d in execute_command (p=<optimized out>, from_tty=0) at ../../W._C._Handy/gdb/top.c:475 + #12 0x081e18c8 in catch_command_errors (command=0x82aa160 <execute_command>, arg=0x102d079 "r", from_tty=0) at ../../W._C._Handy/gdb/main.c:368 + + #0 new_thread (ptid=...) at ../../W._C._Handy/gdb/thread.c:234 + #1 0x081dc973 in add_thread_silent (ptid=...) at ../../W._C._Handy/gdb/thread.c:304 + #2 0x081dca36 in add_thread_with_info (ptid=..., priv=0x0) at ../../W._C._Handy/gdb/thread.c:313 + #3 0x081dcaa6 in add_thread (ptid=...) at ../../W._C._Handy/gdb/thread.c:327 + #4 0x080b84b7 in inf_validate_procs (inf=0x87a31e0) at ../../W._C._Handy/gdb/gnu-nat.c:1106 + #5 0x080b85f1 in inf_update_procs (inf=0x87a31e0) at ../../W._C._Handy/gdb/gnu-nat.c:1123 + #6 0x080b871e in inf_suspend (inf=0x87a31e0) at ../../W._C._Handy/gdb/gnu-nat.c:1179 + #7 0x080b97a7 in gnu_wait (ops=0x868c148, ptid=..., status=0x2804828, options=0) at ../../W._C._Handy/gdb/gnu-nat.c:1530 + #8 0x08204a17 in delegate_wait (self=<optimized out>, arg1=..., arg2=0x2804828, arg3=0) at ../../W._C._Handy/gdb/target-delegates.c:116 + #9 0x08213c18 in target_wait (ptid=..., status=0x2804828, options=0) at ../../W._C._Handy/gdb/target.c:2256 + #10 0x081c80fe in do_target_wait (ptid=..., status=0x2804828, options=0) at ../../W._C._Handy/gdb/infrun.c:3642 + #11 0x081d30f5 in fetch_inferior_event (client_data=0x0) at ../../W._C._Handy/gdb/infrun.c:3900 + #12 0x081e8c54 in inferior_event_handler (event_type=INF_REG_EVENT, client_data=0x0) at ../../W._C._Handy/gdb/inf-loop.c:44 + #13 0x081c782c in infrun_async_inferior_event_handler (data=0x0) at ../../W._C._Handy/gdb/infrun.c:9082 + #14 0x081e72ec in check_async_event_handlers () at ../../W._C._Handy/gdb/event-loop.c:1038 + #15 gdb_do_one_event () at ../../W._C._Handy/gdb/event-loop.c:302 + #16 0x082aa126 in wait_sync_command_done () at ../../W._C._Handy/gdb/top.c:373 + #17 0x082aa323 in maybe_wait_sync_command_done (was_sync=0) at ../../W._C._Handy/gdb/top.c:388 + #18 execute_command (p=<optimized out>, from_tty=0) at ../../W._C._Handy/gdb/top.c:477 + #19 0x081e18c8 in catch_command_errors (command=0x82aa160 <execute_command>, arg=0x102d079 "r", from_tty=0) at ../../W._C._Handy/gdb/main.c:368 + + --- + + Changes `renumber_threads|prune_threads` + + +/* Implement the "to_update_thread_list" target_ops method. */ + + + +static void + +fbsd_update_thread_list (struct target_ops *ops) + +{ + +#ifdef PT_LWP_EVENTS + + /* With support for thread events, threads are added/deleted from the + + list as events are reported, so just try deleting exited threads. */ + + delete_exited_threads (); + +#else + + prune_threads (); + + + + fbsd_add_threads (ptid_get_pid (inferior_ptid)); + +#endif + +} + + static void + linux_nat_update_thread_list (struct target_ops *ops) + { + - if (linux_supports_traceclone ()) + - { + - /* With support for clone events, we add/delete threads from the + - list as clone/exit events are processed, so just try deleting + - exited threads still in the thread list. */ + - delete_exited_threads (); + - } + - else + - prune_threads (); + + /* We add/delete threads from the list as clone/exit events are + + processed, so just try deleting exited threads still in the + + thread list. */ + + delete_exited_threads (); + } + + commit 8a06aea71e0aa9099d0ca593dbb58f6e056af4ff + Author: Pedro Alves <palves@redhat.com> + Date: Tue Apr 7 15:47:22 2015 +0100 + + update thread list, delete exited threads + [...] + + ... looks very relevant + + commit 44ee4a526db6160b302417127e736b73fc00ee87 + Author: Pedro Alves <palves@redhat.com> + Date: Wed Oct 15 22:48:35 2014 +0100 + + DEC threads: Simplify updating the thread list + [...] + + commit ab970af19746364a4f236bebc238ebb036adc898 + Author: Pedro Alves <palves@redhat.com> + Date: Wed Oct 15 22:44:00 2014 +0100 + + remote: get rid of all the T packets when syncing the thread list + [...] + + commit e8032dde10b743253125d7defb5f5503b21c1d26 + Author: Pedro Alves <palves@redhat.com> + Date: Wed Oct 15 22:44:00 2014 +0100 + + Push pruning old threads down to the target + [...] + + commit c82f56d9d760a9b4034eeaac44f2f0fa5779ff69 + Author: Thomas Schwinge <thomas@codesourcery.com> + Date: Wed Jan 8 21:42:07 2014 +0100 + + Hurd: Adjust to startup-with-shell changes. + [...] + + + If this is not done, GDB will get confused in the following. For example, + "info threads" will stop early with "bogus thread id 6 Can't fetch + registers from thread bogus thread id 6: No such thread". + + Calling delete_exited_threads instead of prune_threads does not work. + + It's not clear if this really should be called here, or if we fail to + properly track/report our own threads. For example, we're not calling + delete_thread anywhere. + + Alternatively, should/could we provide a update_thread_list function, and + do the pruning there? + + TODO. + + * a932d108b10518994c873b38a363af9f21bc2e87..f245535cf583ae4ca13b10d47b3c7d3334593ece + + Running [...]/tschwinge/W._C._Handy/ld/testsuite/ld-i386/i386.exp ... + +FAIL: Run ifunc-1b + +Running [...]/tschwinge/W._C._Handy/ld/testsuite/ld-i386/no-plt.exp ... + +FAIL: No PLT (static 1d) + +FAIL: No PLT (static 1j) + +FAIL: Run pr20244-3b + +FAIL: Run pr20253-1b + +FAIL: Run pr20253-1g + +FAIL: Run pr20253-2b + +FAIL: Run pr20253-2d + + TODO. + TODO. diff --git a/open_issues/gcc.mdwn b/open_issues/gcc.mdwn index f5164e33..7850d024 100644 --- a/open_issues/gcc.mdwn +++ b/open_issues/gcc.mdwn @@ -646,6 +646,10 @@ a050099a416f013bda35832b878d9a57b0cbb231 (gcc-6-branch branch point; * `--enable-gnu-unique-object` + On 2016-12-05 noticed that per `gcc -v` output, `gcc version 6.2.1 20161124 + (Debian 6.2.1-5)` for GNU/Linux is configured with + `--enable-gnu-unique-object`, but GNU/Hurd is not. + * `--enable-lto` * `--enable-indirect-function` @@ -1057,17 +1061,24 @@ a050099a416f013bda35832b878d9a57b0cbb231 (gcc-6-branch branch point; ee1bfdb0d611ed2e1057071f39589e6ebcd87983 `Remove __seg_tls before first release`. + * `--enable-default-pie` + + On 2016-12-05 noticed that per `gcc -v` output, `gcc version 6.2.1 20161124 + (Debian 6.2.1-5)` for GNU/Linux is configured with + `--enable-default-pie`, but GNU/Hurd is not. + # Build Here's a log of a GCC build run; this is from Git commit a050099a416f013bda35832b878d9a57b0cbb231 (gcc-6-branch branch point; -2016-04-15), run on kepler.SCHWINGE +2016-04-15), plus *libstdc++ RLIMIT changes* ([[!message-id +"8760n66mky.fsf@euler.schwinge.homeip.net"]]), run on kepler.SCHWINGE and laplace.SCHWINGE. $ export LC_ALL=C $ (cd ../master/ && contrib/gcc_update --touch) - $ ../master/configure --prefix="$PWD".install SHELL=/bin/dash CC=gcc-4.9 CXX=g++-4.9 --enable-languages=all --disable-libcilkrts --disable-libsanitizer --disable-libvtv --disable-libmpx --with-native-system-header-dir=/usr/include --enable-multiarch 2>&1 | tee log_build + $ ../master/configure --prefix="$PWD".install SHELL=/bin/dash CC=gcc-6 CXX=g++-6 --enable-languages=all --disable-libcilkrts --disable-libsanitizer --disable-libvtv --disable-libmpx --with-native-system-header-dir=/usr/include --enable-multiarch 2>&1 | tee log_build [...] $ make 2>&1 | tee log_build_ [...] @@ -1083,8 +1094,8 @@ until these is auto-detected/fixed/ported for GNU Hurd. `/include` for GNU Hurd. Explicit `--enable-multiarch` because *auto check [is disabled if] configured with --native-system-header-dir*. -This takes up around 4.8 GiB, and runs for [[4 h 18 min|performance#measure]] -on kepler.SCHWINGE and [[5 h 6 min|performance#measure]] on laplace.SCHWINGE. +This takes up around 4.8 GiB, and runs for [[4 h 46 min|performance#measure]] +on kepler.SCHWINGE and [[3 h 52 min|performance#measure]] on laplace.SCHWINGE. <!-- @@ -1129,8 +1140,6 @@ on kepler.SCHWINGE and [[5 h 6 min|performance#measure]] on laplace.SCHWINGE. `sed`ed away in `log_build*`. This comes from `libgomp/configure.tgt`, where this is added to `XCFLAGS` for `i[456]86-*-linux*` only. TODO? - * Missing `EOWNERDEAD`, `ENOTRECOVERABLE`. What're they used for? - * `RLIMIT_VMEM`. Usage kosher? * `libtool: link: ar rc .libs/libstdc++.a [...]` @@ -1275,8 +1284,8 @@ kepler.SCHWINGE and [[5 min|performance#measure]] on laplace.SCHWINGE. $ make -k check 2>&1 | tee log_test [...] -This runs for [[6 h 30 min|performance#measure]] on kepler.SCHWINGE and [[14 h -39 min|performance#measure]] on laplace.SCHWINGE. +This runs for [[5 h 49 min|performance#measure]] on kepler.SCHWINGE and [[10 h +36 min|performance#measure]] on laplace.SCHWINGE. ## Analysis @@ -2748,6 +2757,9 @@ This runs for [[6 h 30 min|performance#measure]] on kepler.SCHWINGE and [[14 h [[!message-id "8737sjzp89.fsf@kepler.schwinge.homeip.net"]]. + * libjava testing is broken on kepler.SCHWINGE because of [[!GCC_PR 70719 + desc="the libjava testsuite does not work with dejagnu 1.6"]]. + ## Enhancements diff --git a/toolchain/logs b/toolchain/logs -Subproject 6db8debd7e61ec45153b3611f9224bf650d4a8f +Subproject 04e7f203042de0020531da40724e4430cc56b52 |