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gdb/gdb-vla-intel-stringbt-fix.patch
Michael Matz c7081b119c - Rebase to gdb version 7.10.1 as of version in Fedora 23: 
* reverse debugging on aarch64
  * new commands or subcommands:
    - info os cpu, set/show serial parity, info dll
    - maint print symbol-cache/symbol-cache-statistics,
      maint flush-symbol-cache
    - record btrace bts, record bts
    - compile print
    - show/set mpx bound
    - tui enable/disable
    - record btrace pt, record pt
    - maint info btrace,
      maint btrace packet-history/clear-packet-history/clear
  * s390 support for vector ABI
  * "set sysroot" improvements related to remote targets
  * better support for debugging containerized programs
    (without "set sysroot")
  * HISTSIZE environment variable is replaced by GDBHISTSIZE
  * python scripting:
    - it's possible to write frame unwinders
    - several new methods in Objfile, Type and Value classes
    - gdb can auto-load scripts contained in special sections
      named '.debug_gdb_scripts'.
  * extensions for the MI interface, new remote packet types
- Removed obsolete patches:
    0001-S390-Add-target-descriptions-for-vector-register-set.patch
    0001-S390-Fix-compiler-invocation-with-compile-command.patch
    0001-S390-Support-new-vector-register-sections.patch
    0002-S390-Add-vector-register-support-to-gdb.patch
    0003-S390-Add-vector-register-support-to-gdbserver.patch

OBS-URL: https://build.opensuse.org/package/show/devel:gcc/gdb?expand=0&rev=128
2016-01-14 17:05:52 +00:00

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http://sourceware.org/ml/gdb-patches/2014-08/msg00025.html
Subject: [patch 1/2] Re: Crash regression(?) printing Fortran strings in bt [Re: [V2 00/23] Fortran dynamic array support]
--FCuugMFkClbJLl1L
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On Fri, 01 Aug 2014 09:20:19 +0200, Keven Boell wrote:
> I just tried it on Fedora 20 i686. Applied the patch, you mentioned, on top of
> the Fortran VLA series and executed your dynamic-other-frame test. Everything
> is working fine here, I cannot reproduce the crash.
I have it reproducible on Fedora 20 i686 with plain
CFLAGS=-g ./configure;make;cd gdb/testsuite;make site.exp;runtest gdb.fortran/dynamic-other-frame.exp
Besides that I have updated the testcase with
gdb_test_no_output "set print frame-arguments all"
so that there is no longer needed the patch:
[patch] Display Fortran strings in backtraces
https://sourceware.org/ml/gdb-patches/2014-07/msg00709.html
The fix below has no regressions for me. Unfortunately I do not see why you
cannot reproduce it.
Thanks,
Jan
--FCuugMFkClbJLl1L
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Index: gdb-7.9.50.20150520/gdb/gdbtypes.c
===================================================================
--- gdb-7.9.50.20150520.orig/gdb/gdbtypes.c 2015-05-31 16:14:04.164533833 +0200
+++ gdb-7.9.50.20150520/gdb/gdbtypes.c 2015-05-31 16:14:05.844545344 +0200
@@ -1851,6 +1851,7 @@ is_dynamic_type_internal (struct type *t
}
case TYPE_CODE_ARRAY:
+ case TYPE_CODE_STRING:
{
gdb_assert (TYPE_NFIELDS (type) == 1);
@@ -2192,6 +2193,7 @@ resolve_dynamic_type_internal (struct ty
}
case TYPE_CODE_ARRAY:
+ case TYPE_CODE_STRING:
resolved_type = resolve_dynamic_array (type, addr_stack);
break;
Index: gdb-7.9.50.20150520/gdb/testsuite/gdb.fortran/dynamic-other-frame-stub.f90
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gdb-7.9.50.20150520/gdb/testsuite/gdb.fortran/dynamic-other-frame-stub.f90 2015-05-31 16:14:05.844545344 +0200
@@ -0,0 +1,24 @@
+! Copyright 2010 Free Software Foundation, Inc.
+!
+! This program is free software; you can redistribute it and/or modify
+! it under the terms of the GNU General Public License as published by
+! the Free Software Foundation; either version 2 of the License, or
+! (at your option) any later version.
+!
+! This program is distributed in the hope that it will be useful,
+! but WITHOUT ANY WARRANTY; without even the implied warranty of
+! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+! GNU General Public License for more details.
+!
+! You should have received a copy of the GNU General Public License
+! along with this program; if not, write to the Free Software
+! Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+!
+! Ihis file is the Fortran source file for dynamic.exp.
+! Original file written by Jakub Jelinek <jakub@redhat.com>.
+! Modified for the GDB testcase by Jan Kratochvil <jan.kratochvil@redhat.com>.
+
+subroutine bar
+ real :: dummy
+ dummy = 1
+end subroutine bar
Index: gdb-7.9.50.20150520/gdb/testsuite/gdb.fortran/dynamic-other-frame.exp
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gdb-7.9.50.20150520/gdb/testsuite/gdb.fortran/dynamic-other-frame.exp 2015-05-31 16:14:05.845545351 +0200
@@ -0,0 +1,39 @@
+# Copyright 2010 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+set testfile "dynamic-other-frame"
+set srcfile1 ${testfile}.f90
+set srcfile2 ${testfile}-stub.f90
+set objfile2 [standard_output_file ${testfile}-stub.o]
+set executable ${testfile}
+set binfile [standard_output_file ${executable}]
+
+if { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${objfile2}" object {f90}] != ""
+ || [gdb_compile "${srcdir}/${subdir}/${srcfile1} ${objfile2}" "${binfile}" executable {debug f90}] != "" } {
+ untested "Couldn't compile ${srcfile1} or ${srcfile2}"
+ return -1
+}
+
+clean_restart ${executable}
+
+gdb_test_no_output "set print frame-arguments all"
+
+if ![runto bar_] then {
+ perror "couldn't run to bar_"
+ continue
+}
+
+gdb_test "bt" {foo \(string='hello'.*}
Index: gdb-7.9.50.20150520/gdb/testsuite/gdb.fortran/dynamic-other-frame.f90
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gdb-7.9.50.20150520/gdb/testsuite/gdb.fortran/dynamic-other-frame.f90 2015-05-31 16:14:05.845545351 +0200
@@ -0,0 +1,36 @@
+! Copyright 2010 Free Software Foundation, Inc.
+!
+! This program is free software; you can redistribute it and/or modify
+! it under the terms of the GNU General Public License as published by
+! the Free Software Foundation; either version 2 of the License, or
+! (at your option) any later version.
+!
+! This program is distributed in the hope that it will be useful,
+! but WITHOUT ANY WARRANTY; without even the implied warranty of
+! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+! GNU General Public License for more details.
+!
+! You should have received a copy of the GNU General Public License
+! along with this program; if not, write to the Free Software
+! Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+!
+! Ihis file is the Fortran source file for dynamic.exp.
+! Original file written by Jakub Jelinek <jakub@redhat.com>.
+! Modified for the GDB testcase by Jan Kratochvil <jan.kratochvil@redhat.com>.
+
+subroutine foo (string)
+ interface
+ subroutine bar
+ end subroutine
+ end interface
+ character string*(*)
+ call bar ! stop-here
+end subroutine foo
+program test
+ interface
+ subroutine foo (string)
+ character string*(*)
+ end subroutine
+ end interface
+ call foo ('hello')
+end
Index: gdb-7.9.50.20150520/gdb/testsuite/gdb.fortran/vla-strings.exp
===================================================================
--- gdb-7.9.50.20150520.orig/gdb/testsuite/gdb.fortran/vla-strings.exp 2015-05-31 16:14:04.167533854 +0200
+++ gdb-7.9.50.20150520/gdb/testsuite/gdb.fortran/vla-strings.exp 2015-05-31 16:14:31.073718201 +0200
@@ -33,9 +33,6 @@ gdb_continue_to_breakpoint "var_char-all
gdb_test "print var_char" \
" = \\(PTR TO -> \\( character\\*10 \\)\\) ${hex}" \
"print var_char after allocated first time"
-gdb_test "print *var_char" \
- " = '\\\\000\\\\000\\\\000\\\\000\\\\000\\\\000\\\\000\\\\000\\\\000\\\\000'" \
- "print *var_char after allocated first time"
gdb_test "whatis var_char" "type = PTR TO -> \\( character\\*10 \\)" \
"whatis var_char first time"
gdb_test "ptype var_char" "type = PTR TO -> \\( character\\*10 \\)" \
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