57 lines
2.2 KiB
Diff
57 lines
2.2 KiB
Diff
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Index: gdb/testsuite/gdb.base/largecore-last-address-lock.exp
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===================================================================
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RCS file: gdb/testsuite/gdb.base/largecore-last-address-lock.exp
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diff -N gdb/testsuite/gdb.base/largecore-last-address-lock.exp
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--- /dev/null 1 Jan 1970 00:00:00 -0000
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+++ gdb/testsuite/gdb.base/largecore-last-address-lock.exp 15 Nov 2006 21:43:24 -0000
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@@ -0,0 +1,49 @@
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+# Copyright 2006 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 2 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, write to the Free Software
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+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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+
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+if $tracelevel then {
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+ strace $tracelevel
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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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+
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+# i386 (32-bit) only: gdb with Red Hat largecore patch did lock up:
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+# https://enterprise.redhat.com/issue-tracker/?module=issues&action=view&tid=103263
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+# https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=210614
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+
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+# i386: Bug exists when the `target_xfer_memory' condition
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+# `(memaddr + len < region->hi)' operates on 64-bit operands on
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+# largecore-patched with 32-bit addresses and so it can get `false' with
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+# arbitrary `len'.
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+
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+# x86_64: The bug is not present as the operands and calculations have the same
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+# bit size. Would would still need to pass there the highest address
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+# (`memaddr == 0xffffffffffffffff') but we would need to pass `len == 0'
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+# to make the condition `(memaddr + len < region->hi)' false.
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+# `len == 0' would get caught eariler.
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+
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+# Error in the success case is immediate.
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+set timeoutold ${timeout}
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+set timeout 10
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+
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+gdb_test "x/xb 0xffffffff" \
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+ "Cannot access memory at address 0xffffffff" \
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+ "Read the last address space byte"
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+
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+set timeout ${timeoutold}
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