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From: "manu at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/59850] Support sparse-style pointer address spaces (type attributes)
Date: Fri, 27 Jun 2014 14:24:00 -0000 [thread overview]
Message-ID: <bug-59850-4-bCfGFUIDuD@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-59850-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59850
--- Comment #24 from Manuel López-Ibáñez <manu at gcc dot gnu.org> ---
(In reply to PaX Team from comment #23)
> 3. designated_init is a tricky problem because by the time a plugin can
> examine variable initializers, gcc will have lost the information. however
> with a trick such unwanted initializers can instead be turned into a compile
> error (that existing gcc infrastructure can detect). you can find it in
> spender's randomize_layout plugin that's distributed in grsecurity.
There is a patch for GCC that was basically approved in January:
https://gcc.gnu.org/ml/gcc-patches/2014-01/msg01284.html
I am not sure why it hasn't been committed yet.
>From gcc-bugs-return-455142-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Fri Jun 27 14:30:43 2014
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From: "dimhen at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug bootstrap/61631] New: [4.10 regression] ICE unwind-dw2.c:1639:5: internal compiler error: Segmentation fault
Date: Fri, 27 Jun 2014 14:30:00 -0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: new
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: bootstrap
X-Bugzilla-Version: 4.10.0
X-Bugzilla-Keywords:
X-Bugzilla-Severity: normal
X-Bugzilla-Who: dimhen at gmail dot com
X-Bugzilla-Status: UNCONFIRMED
X-Bugzilla-Priority: P3
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X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status bug_severity priority component assigned_to reporter
Message-ID: <bug-61631-4@http.gcc.gnu.org/bugzilla/>
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https://gcc.gnu.org/bugzilla/show_bug.cgi?ida631
Bug ID: 61631
Summary: [4.10 regression] ICE unwind-dw2.c:1639:5: internal
compiler error: Segmentation fault
Product: gcc
Version: 4.10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
Assignee: unassigned at gcc dot gnu.org
Reporter: dimhen at gmail dot com
r212073 FAIL
r211865 PASS
Fedora 20, x86_64
configure --enable-checking=fold --disable-multilib
make
[stage1 pass]
[...]
/home/dimhen/build/gcc_current/./gcc/xgcc
-B/home/dimhen/build/gcc_current/./gcc/
-B/usr/local/x86_64-unknown-linux-gnu/bin/
-B/usr/local/x86_64-unknown-linux-gnu/lib/ -isystem
/usr/local/x86_64-unknown-linux-gnu/include -isystem
/usr/local/x86_64-unknown-linux-gnu/sys-include -g -O2 -O2 -g -O2 -DIN_GCC
-W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format
-Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -isystem
./include -fpic -mlong-double-80 -g -DIN_LIBGCC2 -fbuilding-libgcc
-fno-stack-protector -fpic -mlong-double-80 -I. -I. -I../.././gcc
-I/home/dimhen/src/gcc_current/libgcc -I/home/dimhen/src/gcc_current/libgcc/.
-I/home/dimhen/src/gcc_current/libgcc/../gcc
-I/home/dimhen/src/gcc_current/libgcc/../include
-I/home/dimhen/src/gcc_current/libgcc/config/libbid -DENABLE_DECIMAL_BID_FORMAT
-DHAVE_CC_TLS -DUSE_TLS -o unwind-dw2.o -MT unwind-dw2.o -MD -MP -MF
unwind-dw2.dep -fexceptions -c /home/dimhen/src/gcc_current/libgcc/unwind-dw2.c
-fvisibility=hidden -DHIDE_EXPORTS
/home/dimhen/src/gcc_current/libgcc/unwind-dw2.c: In function
'uw_install_context_1':
/home/dimhen/src/gcc_current/libgcc/unwind-dw2.c:1639:5: internal compiler
error: Segmentation fault
_Unwind_SetSpColumn (target, target->cfa, &sp_slot);
^
0xae996b crash_signal
/home/dimhen/src/gcc_current/gcc/toplev.c:337
0x86e62f fold_checksum_tree
/home/dimhen/src/gcc_current/gcc/fold-const.c:14759
0x86ec3e fold_checksum_tree
/home/dimhen/src/gcc_current/gcc/fold-const.c:14861
0x86ed58 fold_checksum_tree
/home/dimhen/src/gcc_current/gcc/fold-const.c:14872
0x86e832 fold_checksum_tree
/home/dimhen/src/gcc_current/gcc/fold-const.c:14791
0x86e832 fold_checksum_tree
/home/dimhen/src/gcc_current/gcc/fold-const.c:14791
0x86e400 fold(tree_node*)
/home/dimhen/src/gcc_current/gcc/fold-const.c:14706
0x66bab7 c_fully_fold_internal
/home/dimhen/src/gcc_current/gcc/c-family/c-common.c:1365
0x66af75 c_fully_fold(tree_node*, bool, bool*)
/home/dimhen/src/gcc_current/gcc/c-family/c-common.c:1097
0x62bcdf convert_arguments
/home/dimhen/src/gcc_current/gcc/c/c-typeck.c:3112
0x62b569 build_function_call_vec(unsigned int, vec<unsigned int, va_heap,
vl_ptr>, tree_node*, vec<tree_node*, va_gc, vl_embed>*, vec<tree_node*, va_gc,
vl_embed>*)
/home/dimhen/src/gcc_current/gcc/c/c-typeck.c:2903
0x62b9e2 c_build_function_call_vec(unsigned int, vec<unsigned int, va_heap,
vl_ptr>, tree_node*, vec<tree_node*, va_gc, vl_embed>*, vec<tree_node*, va_gc,
vl_embed>*)
/home/dimhen/src/gcc_current/gcc/c/c-typeck.c:2988
0x655b4b c_parser_postfix_expression_after_primary
/home/dimhen/src/gcc_current/gcc/c/c-parser.c:7729
0x655598 c_parser_postfix_expression
/home/dimhen/src/gcc_current/gcc/c/c-parser.c:7563
0x652814 c_parser_unary_expression
/home/dimhen/src/gcc_current/gcc/c/c-parser.c:6502
0x651d88 c_parser_cast_expression
/home/dimhen/src/gcc_current/gcc/c/c-parser.c:6340
0x650b7d c_parser_binary_expression
/home/dimhen/src/gcc_current/gcc/c/c-parser.c:6155
0x6505c2 c_parser_conditional_expression
/home/dimhen/src/gcc_current/gcc/c/c-parser.c:5931
0x65034a c_parser_expr_no_commas
/home/dimhen/src/gcc_current/gcc/c/c-parser.c:5849
0x65612e c_parser_expression
/home/dimhen/src/gcc_current/gcc/c/c-parser.c:7856
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[3]: *** [unwind-dw2.o] Error 1
make[3]: Leaving directory
`/home/dimhen/build/gcc_current/x86_64-unknown-linux-gnu/libgcc'
make[2]: *** [all-stage1-target-libgcc] Error 2
make[2]: Leaving directory `/home/dimhen/build/gcc_current'
make[1]: *** [stage1-bubble] Error 2
make[1]: Leaving directory `/home/dimhen/build/gcc_current'
make: *** [all] Error 2
$ /home/dimhen/build/gcc_current/./gcc/xgcc -v
Using built-in specs.
COLLECT_GCC=/home/dimhen/build/gcc_current/./gcc/xgcc
Target: x86_64-unknown-linux-gnu
Configured with: /home/dimhen/src/gcc_current/configure --enable-checking=fold
--disable-multilib
Thread model: posix
gcc version 4.10.0 20140627 (experimental) [trunk revision 212073] (GCC)
next prev parent reply other threads:[~2014-06-27 14:24 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-17 5:05 [Bug c/59850] New: " hpa at zytor dot com
2014-01-17 8:03 ` [Bug c/59850] " josh at joshtriplett dot org
2014-02-01 5:26 ` tromey at gcc dot gnu.org
2014-02-01 18:39 ` josh at joshtriplett dot org
2014-02-03 8:20 ` tromey at gcc dot gnu.org
2014-02-05 14:45 ` tromey at gcc dot gnu.org
2014-02-05 15:55 ` josh at joshtriplett dot org
2014-02-05 16:50 ` hpa at zytor dot com
2014-02-05 17:51 ` tromey at gcc dot gnu.org
2014-02-05 18:11 ` tromey at gcc dot gnu.org
2014-02-05 20:06 ` josh at joshtriplett dot org
2014-02-05 20:07 ` josh at joshtriplett dot org
2014-02-05 20:08 ` josh at joshtriplett dot org
2014-02-05 20:12 ` tromey at gcc dot gnu.org
2014-02-06 0:08 ` josh at joshtriplett dot org
2014-02-06 4:44 ` hpa at zytor dot com
2014-02-21 3:09 ` tromey at gcc dot gnu.org
2014-02-21 3:37 ` tromey at gcc dot gnu.org
2014-02-21 4:19 ` josh at joshtriplett dot org
2014-02-21 14:58 ` tromey at gcc dot gnu.org
2014-06-27 4:33 ` tromey at gcc dot gnu.org
2014-06-27 11:24 ` manu at gcc dot gnu.org
2014-06-27 14:24 ` manu at gcc dot gnu.org [this message]
2014-06-29 2:26 ` tromey at gcc dot gnu.org
2014-07-03 20:36 ` tromey at gcc dot gnu.org
2014-07-03 20:48 ` josh at joshtriplett dot org
2014-07-03 21:03 ` tromey at gcc dot gnu.org
2014-07-09 14:10 ` tromey at gcc dot gnu.org
2014-07-09 14:31 ` tromey at gcc dot gnu.org
2014-07-30 23:24 ` tromey at gcc dot gnu.org
2014-08-08 16:10 ` tromey at gcc dot gnu.org
2022-09-26 22:47 ` dmalcolm at gcc dot gnu.org
2022-10-03 15:02 ` mpolacek at gcc dot gnu.org
2022-10-03 16:16 ` hpa at zytor dot com
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