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* [Bug target/57589] New: Linux powerpc -mcpu=native returns pointer to variable on stack in driver-rs6000.c
@ 2013-06-11 18:24 meissner at gcc dot gnu.org
  2013-06-11 18:26 ` [Bug target/57589] " meissner at gcc dot gnu.org
                   ` (7 more replies)
  0 siblings, 8 replies; 9+ messages in thread
From: meissner at gcc dot gnu.org @ 2013-06-11 18:24 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57589

            Bug ID: 57589
           Summary: Linux powerpc -mcpu=native returns pointer to variable
                    on stack in driver-rs6000.c
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: meissner at gcc dot gnu.org

In looking at driver-rs6000.c, I noticed that elf_platform (under Linux) reads
the auxv data structure into an auto array, and then returns a pointer to that
array.  It should either make the buffer static, or use xstrdup to get a unique
string.


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug target/57589] Linux powerpc -mcpu=native returns pointer to variable on stack in driver-rs6000.c
  2013-06-11 18:24 [Bug target/57589] New: Linux powerpc -mcpu=native returns pointer to variable on stack in driver-rs6000.c meissner at gcc dot gnu.org
@ 2013-06-11 18:26 ` meissner at gcc dot gnu.org
  2013-06-11 18:27 ` meissner at gcc dot gnu.org
                   ` (6 subsequent siblings)
  7 siblings, 0 replies; 9+ messages in thread
From: meissner at gcc dot gnu.org @ 2013-06-11 18:26 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57589

Michael Meissner <meissner at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2013-06-11
     Ever confirmed|0                           |1


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug target/57589] Linux powerpc -mcpu=native returns pointer to variable on stack in driver-rs6000.c
  2013-06-11 18:24 [Bug target/57589] New: Linux powerpc -mcpu=native returns pointer to variable on stack in driver-rs6000.c meissner at gcc dot gnu.org
  2013-06-11 18:26 ` [Bug target/57589] " meissner at gcc dot gnu.org
@ 2013-06-11 18:27 ` meissner at gcc dot gnu.org
  2013-06-11 19:24 ` meissner at gcc dot gnu.org
                   ` (5 subsequent siblings)
  7 siblings, 0 replies; 9+ messages in thread
From: meissner at gcc dot gnu.org @ 2013-06-11 18:27 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57589

--- Comment #1 from Michael Meissner <meissner at gcc dot gnu.org> ---
Created attachment 30294
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30294&action=edit
Proposed patch to fix problem


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug target/57589] Linux powerpc -mcpu=native returns pointer to variable on stack in driver-rs6000.c
  2013-06-11 18:24 [Bug target/57589] New: Linux powerpc -mcpu=native returns pointer to variable on stack in driver-rs6000.c meissner at gcc dot gnu.org
  2013-06-11 18:26 ` [Bug target/57589] " meissner at gcc dot gnu.org
  2013-06-11 18:27 ` meissner at gcc dot gnu.org
@ 2013-06-11 19:24 ` meissner at gcc dot gnu.org
  2013-06-11 19:26 ` meissner at gcc dot gnu.org
                   ` (4 subsequent siblings)
  7 siblings, 0 replies; 9+ messages in thread
From: meissner at gcc dot gnu.org @ 2013-06-11 19:24 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57589

Michael Meissner <meissner at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #30294|0                           |1
        is obsolete|                            |

--- Comment #2 from Michael Meissner <meissner at gcc dot gnu.org> ---
Created attachment 30295
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30295&action=edit
Proposed patch to fix problem


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug target/57589] Linux powerpc -mcpu=native returns pointer to variable on stack in driver-rs6000.c
  2013-06-11 18:24 [Bug target/57589] New: Linux powerpc -mcpu=native returns pointer to variable on stack in driver-rs6000.c meissner at gcc dot gnu.org
                   ` (2 preceding siblings ...)
  2013-06-11 19:24 ` meissner at gcc dot gnu.org
@ 2013-06-11 19:26 ` meissner at gcc dot gnu.org
  2013-06-11 23:26 ` meissner at gcc dot gnu.org
                   ` (3 subsequent siblings)
  7 siblings, 0 replies; 9+ messages in thread
From: meissner at gcc dot gnu.org @ 2013-06-11 19:26 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57589

Michael Meissner <meissner at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #30295|0                           |1
        is obsolete|                            |

--- Comment #3 from Michael Meissner <meissner at gcc dot gnu.org> ---
Created attachment 30296
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30296&action=edit
Proposed patch to fix problem


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug target/57589] Linux powerpc -mcpu=native returns pointer to variable on stack in driver-rs6000.c
  2013-06-11 18:24 [Bug target/57589] New: Linux powerpc -mcpu=native returns pointer to variable on stack in driver-rs6000.c meissner at gcc dot gnu.org
                   ` (3 preceding siblings ...)
  2013-06-11 19:26 ` meissner at gcc dot gnu.org
@ 2013-06-11 23:26 ` meissner at gcc dot gnu.org
  2013-09-17  2:04 ` amodra at gcc dot gnu.org
                   ` (2 subsequent siblings)
  7 siblings, 0 replies; 9+ messages in thread
From: meissner at gcc dot gnu.org @ 2013-06-11 23:26 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57589

Michael Meissner <meissner at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #4 from Michael Meissner <meissner at gcc dot gnu.org> ---
Fixed in subversion id 199972 for trunk.


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug target/57589] Linux powerpc -mcpu=native returns pointer to variable on stack in driver-rs6000.c
  2013-06-11 18:24 [Bug target/57589] New: Linux powerpc -mcpu=native returns pointer to variable on stack in driver-rs6000.c meissner at gcc dot gnu.org
                   ` (4 preceding siblings ...)
  2013-06-11 23:26 ` meissner at gcc dot gnu.org
@ 2013-09-17  2:04 ` amodra at gcc dot gnu.org
  2013-09-17  2:05 ` amodra at gmail dot com
  2014-04-09 19:42 ` wschmidt at gcc dot gnu.org
  7 siblings, 0 replies; 9+ messages in thread
From: amodra at gcc dot gnu.org @ 2013-09-17  2:04 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57589

--- Comment #5 from Alan Modra <amodra at gcc dot gnu.org> ---
Author: amodra
Date: Tue Sep 17 02:04:49 2013
New Revision: 202642

URL: http://gcc.gnu.org/viewcvs?rev=202642&root=gcc&view=rev
Log:
    PR target/57589
    * config/rs6000/driver-rs6000.c (elf_platform): Revert 2013-06-11 patch.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/rs6000/driver-rs6000.c


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug target/57589] Linux powerpc -mcpu=native returns pointer to variable on stack in driver-rs6000.c
  2013-06-11 18:24 [Bug target/57589] New: Linux powerpc -mcpu=native returns pointer to variable on stack in driver-rs6000.c meissner at gcc dot gnu.org
                   ` (5 preceding siblings ...)
  2013-09-17  2:04 ` amodra at gcc dot gnu.org
@ 2013-09-17  2:05 ` amodra at gmail dot com
  2014-04-09 19:42 ` wschmidt at gcc dot gnu.org
  7 siblings, 0 replies; 9+ messages in thread
From: amodra at gmail dot com @ 2013-09-17  2:05 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57589

Alan Modra <amodra at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |amodra at gmail dot com
         Resolution|FIXED                       |INVALID


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug target/57589] Linux powerpc -mcpu=native returns pointer to variable on stack in driver-rs6000.c
  2013-06-11 18:24 [Bug target/57589] New: Linux powerpc -mcpu=native returns pointer to variable on stack in driver-rs6000.c meissner at gcc dot gnu.org
                   ` (6 preceding siblings ...)
  2013-09-17  2:05 ` amodra at gmail dot com
@ 2014-04-09 19:42 ` wschmidt at gcc dot gnu.org
  7 siblings, 0 replies; 9+ messages in thread
From: wschmidt at gcc dot gnu.org @ 2014-04-09 19:42 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57589

--- Comment #6 from Bill Schmidt <wschmidt at gcc dot gnu.org> ---
Author: wschmidt
Date: Wed Apr  9 19:42:14 2014
New Revision: 209250

URL: http://gcc.gnu.org/viewcvs?rev=209250&root=gcc&view=rev
Log:
2014-04-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

    Backport from mainline r202642
    2013-09-17  Alan Modra  <amodra@gmail.com>

    PR target/57589
    * config/rs6000/driver-rs6000.c (elf_platform): Revert 2013-06-11
    patch (r199972).


Modified:
    branches/gcc-4_8-branch/gcc/ChangeLog
    branches/gcc-4_8-branch/gcc/config/rs6000/driver-rs6000.c


^ permalink raw reply	[flat|nested] 9+ messages in thread

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2013-06-11 18:24 [Bug target/57589] New: Linux powerpc -mcpu=native returns pointer to variable on stack in driver-rs6000.c meissner at gcc dot gnu.org
2013-06-11 18:26 ` [Bug target/57589] " meissner at gcc dot gnu.org
2013-06-11 18:27 ` meissner at gcc dot gnu.org
2013-06-11 19:24 ` meissner at gcc dot gnu.org
2013-06-11 19:26 ` meissner at gcc dot gnu.org
2013-06-11 23:26 ` meissner at gcc dot gnu.org
2013-09-17  2:04 ` amodra at gcc dot gnu.org
2013-09-17  2:05 ` amodra at gmail dot com
2014-04-09 19:42 ` wschmidt at gcc dot gnu.org

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