- Fix crash due to calling an inferior function right after a watchpoint
stop.
This commit is contained in:
Jan Kratochvil
parent
942cd23f69
commit
5ca2edcb43
@ -815,3 +815,119 @@ diff -u -r1.5 -r1.6
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gdb_test "finish" " = 1.2" "Correct _Decimal128 return value from called function."
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gdb_test "call decimal_dec128_align (double_val1, dec128_val2, double_val3, double_val4, double_val5, double_val6, double_val7, double_val8, double_val9, double_val10, double_val11, double_val12, double_val13, double_val14)" " = 1" \
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gdb/
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2008-07-07 Jan Kratochvil <jan.kratochvil@redhat.com>
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* breakpoint.c (bpstat_copy): Call RELEASE_VALUE on the new OLD_VAL.
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gdb/testsuite/
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2008-07-07 Jan Kratochvil <jan.kratochvil@redhat.com>
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* gdb.base/value-double-free.exp, gdb.base/value-double-free.c: New.
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===================================================================
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RCS file: /cvs/src/src/gdb/breakpoint.c,v
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retrieving revision 1.327
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retrieving revision 1.328
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diff -u -r1.327 -r1.328
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--- src/gdb/breakpoint.c 2008/06/28 09:42:15 1.327
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+++ src/gdb/breakpoint.c 2008/07/07 22:39:58 1.328
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@@ -1996,7 +1996,10 @@
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if (bs->commands != NULL)
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tmp->commands = copy_command_lines (bs->commands);
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if (bs->old_val != NULL)
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- tmp->old_val = value_copy (bs->old_val);
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+ {
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+ tmp->old_val = value_copy (bs->old_val);
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+ release_value (tmp->old_val);
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+ }
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if (p == NULL)
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/* This is the first thing in the chain. */
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/cvs/src/src/gdb/testsuite/gdb.base/value-double-free.c,v --> standard output
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revision 1.1
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--- src/gdb/testsuite/gdb.base/value-double-free.c
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+++ src/gdb/testsuite/gdb.base/value-double-free.c 2008-07-07 22:40:47.485459000 +0000
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@@ -0,0 +1,36 @@
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+/* This testcase is part of GDB, the GNU debugger.
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+
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+ Copyright 2008 Free Software Foundation, Inc.
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+
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+ This program is free software; you can redistribute it and/or modify
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+ it under the terms of the GNU General Public License as published by
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+ the Free Software Foundation; either version 3 of the License, or
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+ (at your option) any later version.
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+
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+ This program is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ GNU General Public License for more details.
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+
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+ You should have received a copy of the GNU General Public License
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+ along with this program. If not, see <http://www.gnu.org/licenses/>.
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+
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+ Please email any bugs, comments, and/or additions to this file to:
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+ bug-gdb@prep.ai.mit.edu */
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+
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+volatile int var;
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+
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+void
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+empty (void)
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+{
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+}
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+
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+int
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+main (void)
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+{
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+ var = 1;
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+ /* Workaround PR 38: We may miss the first watchpoint hit as we stop on the
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+ exact instruction which would cause the watchpoint hit. */
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+ var = 2;
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+ return 0;
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+}
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/cvs/src/src/gdb/testsuite/gdb.base/value-double-free.exp,v --> standard output
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revision 1.1
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--- src/gdb/testsuite/gdb.base/value-double-free.exp
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+++ src/gdb/testsuite/gdb.base/value-double-free.exp 2008-07-07 22:40:48.139680000 +0000
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@@ -0,0 +1,38 @@
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+# Copyright 2008 Free Software Foundation, Inc.
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+
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+# This program is free software; you can redistribute it and/or modify
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+# it under the terms of the GNU General Public License as published by
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+# the Free Software Foundation; either version 3 of the License, or
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+# (at your option) any later version.
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+#
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+# This program is distributed in the hope that it will be useful,
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+# but WITHOUT ANY WARRANTY; without even the implied warranty of
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+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+# GNU General Public License for more details.
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+#
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+# You should have received a copy of the GNU General Public License
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+# along with this program. If not, see <http://www.gnu.org/licenses/>.
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+
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+set testfile value-double-free
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+set srcfile ${testfile}.c
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+set binfile ${objdir}/${subdir}/${testfile}
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+if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
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+ untested "Couldn't compile test program"
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+ return -1
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+}
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+
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+# Get things started.
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+
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+gdb_exit
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+gdb_start
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+gdb_reinitialize_dir $srcdir/$subdir
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+gdb_load ${binfile}
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+
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+if ![runto_main] {
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+ return -1
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+}
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+gdb_test "watch var" "atchpoint \[0-9\]+: var"
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+gdb_test "continue" "atchpoint \[0-9\]+: var.*Old value = 0.*New value = \[12\].*"
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+gdb_test "print empty()" " = void"
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+# We did segfault here.
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+gdb_test "help help"
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5
gdb.spec
5
gdb.spec
@ -13,7 +13,7 @@ Version: 6.8
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# The release always contains a leading reserved number, start it at 1.
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# `upstream' is not a part of `name' to stay fully rpm dependencies compatible for the testing.
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Release: 13%{?_with_upstream:.upstream}%{?dist}
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Release: 14%{?_with_upstream:.upstream}%{?dist}
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License: GPLv3+
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Group: Development/Debuggers
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@ -828,6 +828,9 @@ fi
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%endif
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%changelog
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* Tue Jul 8 2008 Jan Kratochvil <jan.kratochvil@redhat.com> - 6.8-14
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- Fix crash due to calling an inferior function right after a watchpoint stop.
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* Thu Jul 3 2008 Jan Kratochvil <jan.kratochvil@redhat.com> - 6.8-13
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- Support transparent debugging of inlined functions for an optimized code.
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