public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
* [Bug bootstrap/39618] trunk revision 145459 - The configure of libstdc++-v3 hangs while checking for PCH support
[not found] <bug-39618-4@http.gcc.gnu.org/bugzilla/>
@ 2011-11-20 6:05 ` kurt at intricatesoftware dot com
2011-11-20 7:11 ` kurt at intricatesoftware dot com
` (4 subsequent siblings)
5 siblings, 0 replies; 6+ messages in thread
From: kurt at intricatesoftware dot com @ 2011-11-20 6:05 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39618
--- Comment #2 from Kurt Miller <kurt at intricatesoftware dot com> 2011-11-20 03:29:51 UTC ---
Created attachment 25864
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25864
PCH Supoort for OpenBSD
Attached is a patch against gcc-4.6.2 which uses brk/sbrk for PCH support.
Since malloc uses mmap the heap is unused and at a fixed address (so long as
PIE is not enabled on gcc). I originally wrote this in 2008 for 4.2 and has
been in use
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug bootstrap/39618] trunk revision 145459 - The configure of libstdc++-v3 hangs while checking for PCH support
[not found] <bug-39618-4@http.gcc.gnu.org/bugzilla/>
2011-11-20 6:05 ` [Bug bootstrap/39618] trunk revision 145459 - The configure of libstdc++-v3 hangs while checking for PCH support kurt at intricatesoftware dot com
@ 2011-11-20 7:11 ` kurt at intricatesoftware dot com
2012-01-28 5:50 ` [Bug pch/39618] " pinskia at gcc dot gnu.org
` (3 subsequent siblings)
5 siblings, 0 replies; 6+ messages in thread
From: kurt at intricatesoftware dot com @ 2011-11-20 7:11 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39618
Kurt Miller <kurt at intricatesoftware dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |kurt at intricatesoftware
| |dot com
--- Comment #3 from Kurt Miller <kurt at intricatesoftware dot com> 2011-11-20 03:31:22 UTC ---
... since then without issues.
OpenBSD uses random mmap() return addresses. malloc uses mmap and the runtime
linker randomizes shared library load addresses, thus using mmap as a fixed
address is rather difficult on OpenBSD.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug pch/39618] trunk revision 145459 - The configure of libstdc++-v3 hangs while checking for PCH support
[not found] <bug-39618-4@http.gcc.gnu.org/bugzilla/>
2011-11-20 6:05 ` [Bug bootstrap/39618] trunk revision 145459 - The configure of libstdc++-v3 hangs while checking for PCH support kurt at intricatesoftware dot com
2011-11-20 7:11 ` kurt at intricatesoftware dot com
@ 2012-01-28 5:50 ` pinskia at gcc dot gnu.org
2012-02-04 21:10 ` pinskia at gcc dot gnu.org
` (2 subsequent siblings)
5 siblings, 0 replies; 6+ messages in thread
From: pinskia at gcc dot gnu.org @ 2012-01-28 5:50 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39618
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |build
Target|i386-unknown-openbsd4.5 |
Status|UNCONFIRMED |NEW
Last reconfirmed| |2012-01-28
Component|bootstrap |pch
Ever Confirmed|0 |1
Build|i386-unknown-openbsd4.5 |
--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-01-28 05:34:14 UTC ---
Confirmed.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug pch/39618] trunk revision 145459 - The configure of libstdc++-v3 hangs while checking for PCH support
[not found] <bug-39618-4@http.gcc.gnu.org/bugzilla/>
` (2 preceding siblings ...)
2012-01-28 5:50 ` [Bug pch/39618] " pinskia at gcc dot gnu.org
@ 2012-02-04 21:10 ` pinskia at gcc dot gnu.org
2012-09-09 8:44 ` kettenis at gnu dot org
2012-09-09 12:03 ` redi at gcc dot gnu.org
5 siblings, 0 replies; 6+ messages in thread
From: pinskia at gcc dot gnu.org @ 2012-02-04 21:10 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39618
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jsg at openbsd dot org
--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-02-04 21:09:13 UTC ---
*** Bug 49246 has been marked as a duplicate of this bug. ***
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug pch/39618] trunk revision 145459 - The configure of libstdc++-v3 hangs while checking for PCH support
[not found] <bug-39618-4@http.gcc.gnu.org/bugzilla/>
` (3 preceding siblings ...)
2012-02-04 21:10 ` pinskia at gcc dot gnu.org
@ 2012-09-09 8:44 ` kettenis at gnu dot org
2012-09-09 12:03 ` redi at gcc dot gnu.org
5 siblings, 0 replies; 6+ messages in thread
From: kettenis at gnu dot org @ 2012-09-09 8:44 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39618
kettenis at gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |kettenis at gnu dot org
--- Comment #6 from kettenis at gnu dot org 2012-09-09 08:44:02 UTC ---
This is fixed by the following commit.
Turns out it is possible to use a carefully chosen address to get PCH working
reliably, so I did go for that approach since it has a chance to work if GCC
is compiled as a position independent executable as well.
2012-09-02 Mark Kettenis <kettenis@openbsd.org>
* config.gcc (x86_64-*-openbsd*): New target.
* config.host (*-*-openbsd*): New target.
* config/openbsd.h (TARGET_C99_FUNCTIONS): Define.
* config/i386/openbsdelf.h: Remove some superfluous defines and
group things together in a more logical fashion.
(DBX_REGISTER_NUMBER): Provide a
definition that works on both 32-bit and 64-bit targets.
(WCHAR_TYPE_SIZE): Hardcode as 32.
(NO_DOLLAR_IN_LABEL): Remove undef.
(TARGET_DEFAULT): Remove.
(SET_ASM_OP): Remove.
(DEFAULT_PCC_STRUCT_RETURN): Undef first to prevent warning.
(ASM_OUTPUT_MAX_SKIP_ALIGN): Synch with x86-64.h
(DWARF2_UNWIND_INFO): Remove define.
(HAVE_ENABLE_EXECUTE_STACK): Define.
* config/host-openbsd.c: New file.
* config/t-openbsd (USER_H): Add EXTRA_HEADERS.
* config/x-openbsd: New file.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug pch/39618] trunk revision 145459 - The configure of libstdc++-v3 hangs while checking for PCH support
[not found] <bug-39618-4@http.gcc.gnu.org/bugzilla/>
` (4 preceding siblings ...)
2012-09-09 8:44 ` kettenis at gnu dot org
@ 2012-09-09 12:03 ` redi at gcc dot gnu.org
5 siblings, 0 replies; 6+ messages in thread
From: redi at gcc dot gnu.org @ 2012-09-09 12:03 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39618
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
Target Milestone|--- |4.8.0
--- Comment #7 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-09-09 12:02:53 UTC ---
Thanks, closing then
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2012-09-09 12:03 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
[not found] <bug-39618-4@http.gcc.gnu.org/bugzilla/>
2011-11-20 6:05 ` [Bug bootstrap/39618] trunk revision 145459 - The configure of libstdc++-v3 hangs while checking for PCH support kurt at intricatesoftware dot com
2011-11-20 7:11 ` kurt at intricatesoftware dot com
2012-01-28 5:50 ` [Bug pch/39618] " pinskia at gcc dot gnu.org
2012-02-04 21:10 ` pinskia at gcc dot gnu.org
2012-09-09 8:44 ` kettenis at gnu dot org
2012-09-09 12:03 ` redi at gcc dot gnu.org
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).