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From: "ktietz at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/57897] Target x86_64-w64-mingw32 failed with '-mno-fentry isn't compatible with SEH'
Date: Fri, 06 Dec 2013 00:05:00 -0000	[thread overview]
Message-ID: <bug-57897-4-isFnX4EYle@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-57897-4@http.gcc.gnu.org/bugzilla/>

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57897

Kai Tietz <ktietz at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2013-12-06
     Ever confirmed|0                           |1

--- Comment #7 from Kai Tietz <ktietz at gcc dot gnu.org> ---
Issue is that for SEH-target we need to generate dw2 unwind-information so that
-fasynchronous-unwind-tables works proper.

Following patch should fix that:

Index: i386.c
===================================================================
--- i386.c      (Revision 205719)
+++ i386.c      (Arbeitskopie)
@@ -3698,6 +3698,9 @@ ix86_option_override_internal (bool main_args_p,
     {
       if (opts->x_optimize >= 1 && !opts_set->x_flag_omit_frame_pointer)
        opts->x_flag_omit_frame_pointer = !USE_X86_64_FRAME_POINTER;
+      if (opts->x_flag_asynchronous_unwind_tables == 1
+         && TARGET_SEH)
+       opts->x_flag_unwind_tables = 1;
       if (opts->x_flag_asynchronous_unwind_tables == 2)
        opts->x_flag_unwind_tables
          = opts->x_flag_asynchronous_unwind_tables = 1;


  parent reply	other threads:[~2013-12-06  0:05 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-15  7:39 [Bug c++/57897] New: pragma dongsheng.song at gmail dot com
2013-07-15  7:47 ` [Bug c++/57897] Target x86_64-w64-mingw32 failed with '-mno-fentry isn't compatible with SEH' dongsheng.song at gmail dot com
2013-07-22  9:58 ` paolo.carlini at oracle dot com
2013-09-10 10:26 ` ktietz at gcc dot gnu.org
2013-12-06  0:05 ` ktietz at gcc dot gnu.org [this message]
2013-12-06  7:34 ` dongsheng.song at gmail dot com
2013-12-12 22:08 ` ktietz at gcc dot gnu.org
2013-12-13  9:00 ` rainer@emrich-ebersheim.de
2013-12-13  9:25 ` ktietz at gcc dot gnu.org

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