public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
* [Bug target/60151] New: HAVE_AS_GOTOFF_IN_DATA is mis-detected on x86-64 @ 2014-02-11 19:14 hjl.tools at gmail dot com 2014-02-12 16:13 ` [Bug target/60151] " hjl at gcc dot gnu.org ` (3 more replies) 0 siblings, 4 replies; 5+ messages in thread From: hjl.tools at gmail dot com @ 2014-02-11 19:14 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60151 Bug ID: 60151 Summary: HAVE_AS_GOTOFF_IN_DATA is mis-detected on x86-64 Product: gcc Version: 4.9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: hjl.tools at gmail dot com CC: ubizjak at gmail dot com i386.h has /* Under some conditions we need jump tables in the text section, because the assembler cannot handle label differences between sections. This is the case for x86_64 on Mach-O for example. */ #define JUMP_TABLES_IN_TEXT_SECTION \ (flag_pic && ((TARGET_MACHO && TARGET_64BIT) \ || (!TARGET_64BIT && !HAVE_AS_GOTOFF_IN_DATA))) HAVE_AS_GOTOFF_IN_DATA is only used for 32-bit PIC. However, configure.ac has gcc_GAS_CHECK_FEATURE([GOTOFF in data], gcc_cv_as_ix86_gotoff_in_data, [2,11,0],, [ .text .L0: nop .data .long .L0@GOTOFF]) AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA, On Linux/x86-64, we get configure:25031: checking assembler for GOTOFF in data configure:25048: /usr/local/bin/as --64 -o conftest.o conftest.s >&5 conftest.s: Assembler messages: conftest.s:5: Error: 8-byte relocation cannot be applied to 4-byte field configure:25051: $? = 1 configure: failed program was .text .L0: nop .data .long .L0@GOTOFF configure:25062: result: no On Linux/i686, we get configure:25026: checking assembler for GOTOFF in data configure:25043: /usr/local32/bin/as --32 -o conftest.o conftest.s >&5 configure:25046: $? = 0 configure:25057: result: yes As the result, we put jump table in .text section for -m32 -fPIC on Linux/x86-64. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/60151] HAVE_AS_GOTOFF_IN_DATA is mis-detected on x86-64 2014-02-11 19:14 [Bug target/60151] New: HAVE_AS_GOTOFF_IN_DATA is mis-detected on x86-64 hjl.tools at gmail dot com @ 2014-02-12 16:13 ` hjl at gcc dot gnu.org 2014-02-12 16:39 ` hjl at gcc dot gnu.org ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: hjl at gcc dot gnu.org @ 2014-02-12 16:13 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60151 --- Comment #1 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> --- Author: hjl Date: Wed Feb 12 16:12:36 2014 New Revision: 207731 URL: http://gcc.gnu.org/viewcvs?rev=207731&root=gcc&view=rev Log: Pass --32 to GNU assembler for .long foo@GOTOFF check PR target/60151 * configure.ac (HAVE_AS_GOTOFF_IN_DATA): Pass --32 to GNU assembler. * configure: Regenerated. Modified: trunk/gcc/ChangeLog trunk/gcc/configure trunk/gcc/configure.ac ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/60151] HAVE_AS_GOTOFF_IN_DATA is mis-detected on x86-64 2014-02-11 19:14 [Bug target/60151] New: HAVE_AS_GOTOFF_IN_DATA is mis-detected on x86-64 hjl.tools at gmail dot com 2014-02-12 16:13 ` [Bug target/60151] " hjl at gcc dot gnu.org @ 2014-02-12 16:39 ` hjl at gcc dot gnu.org 2014-02-12 16:44 ` hjl at gcc dot gnu.org 2014-02-12 16:45 ` hjl.tools at gmail dot com 3 siblings, 0 replies; 5+ messages in thread From: hjl at gcc dot gnu.org @ 2014-02-12 16:39 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60151 --- Comment #2 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> --- Author: hjl Date: Wed Feb 12 16:38:50 2014 New Revision: 207733 URL: http://gcc.gnu.org/viewcvs?rev=207733&root=gcc&view=rev Log: Pass --32 to GNU assembler for .long foo@GOTOFF check Backport from mainline PR target/60151 * configure.ac (HAVE_AS_GOTOFF_IN_DATA): Pass --32 to GNU assembler. Modified: branches/gcc-4_8-branch/gcc/ChangeLog branches/gcc-4_8-branch/gcc/configure branches/gcc-4_8-branch/gcc/configure.ac ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/60151] HAVE_AS_GOTOFF_IN_DATA is mis-detected on x86-64 2014-02-11 19:14 [Bug target/60151] New: HAVE_AS_GOTOFF_IN_DATA is mis-detected on x86-64 hjl.tools at gmail dot com 2014-02-12 16:13 ` [Bug target/60151] " hjl at gcc dot gnu.org 2014-02-12 16:39 ` hjl at gcc dot gnu.org @ 2014-02-12 16:44 ` hjl at gcc dot gnu.org 2014-02-12 16:45 ` hjl.tools at gmail dot com 3 siblings, 0 replies; 5+ messages in thread From: hjl at gcc dot gnu.org @ 2014-02-12 16:44 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60151 --- Comment #3 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> --- Author: hjl Date: Wed Feb 12 16:43:47 2014 New Revision: 207734 URL: http://gcc.gnu.org/viewcvs?rev=207734&root=gcc&view=rev Log: Pass --32 to GNU assembler for .long foo@GOTOFF check Backport from mainline PR target/60151 * configure.ac (HAVE_AS_GOTOFF_IN_DATA): Pass --32 to GNU assembler. Modified: branches/gcc-4_7-branch/gcc/ChangeLog branches/gcc-4_7-branch/gcc/configure branches/gcc-4_7-branch/gcc/configure.ac ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/60151] HAVE_AS_GOTOFF_IN_DATA is mis-detected on x86-64 2014-02-11 19:14 [Bug target/60151] New: HAVE_AS_GOTOFF_IN_DATA is mis-detected on x86-64 hjl.tools at gmail dot com ` (2 preceding siblings ...) 2014-02-12 16:44 ` hjl at gcc dot gnu.org @ 2014-02-12 16:45 ` hjl.tools at gmail dot com 3 siblings, 0 replies; 5+ messages in thread From: hjl.tools at gmail dot com @ 2014-02-12 16:45 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60151 H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |FIXED --- Comment #4 from H.J. Lu <hjl.tools at gmail dot com> --- Fixed in GCC 4.7.4/4.8.3/4.9.0. ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2014-02-12 16:45 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2014-02-11 19:14 [Bug target/60151] New: HAVE_AS_GOTOFF_IN_DATA is mis-detected on x86-64 hjl.tools at gmail dot com 2014-02-12 16:13 ` [Bug target/60151] " hjl at gcc dot gnu.org 2014-02-12 16:39 ` hjl at gcc dot gnu.org 2014-02-12 16:44 ` hjl at gcc dot gnu.org 2014-02-12 16:45 ` hjl.tools at gmail dot com
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).