109 lines
3.8 KiB
Diff
109 lines
3.8 KiB
Diff
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--- a/gdb/config/i386/linux64.mh
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+++ b/gdb/config/i386/linux64.mh
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@@ -2,7 +2,7 @@
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NATDEPFILES= inf-ptrace.o fork-child.o \
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i386-nat.o amd64-nat.o amd64-linux-nat.o linux-nat.o \
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proc-service.o linux-thread-db.o linux-fork.o
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-NAT_FILE= config/nm-linux.h
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+NAT_FILE= nm-linux64.h
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# The dynamically loaded libthread_db needs access to symbols in the
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# gdb executable.
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--- a/gdb/config/i386/nm-linux.h
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+++ b/gdb/config/i386/nm-linux.h
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@@ -29,4 +29,7 @@
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#define FILL_FPXREGSET
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#endif
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+/* Red Hat backward compatibility with gdb-6.8. */
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+#define target_can_use_hardware_watchpoint(type, cnt, ot) 1
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+
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#endif /* nm-linux.h */
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--- /dev/null
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+++ b/gdb/config/i386/nm-linux64.h
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@@ -0,0 +1,28 @@
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+/* Native support for GNU/Linux amd64.
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+
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+ Copyright 2010 Free Software Foundation, Inc.
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+
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+ This file is part of GDB.
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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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+#ifndef NM_LINUX64_H
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+#define NM_LINUX64_H
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+
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+#include "config/nm-linux.h"
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+
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+/* Red Hat backward compatibility with gdb-6.8. */
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+#define target_can_use_hardware_watchpoint(type, cnt, ot) 1
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+
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+#endif /* NM_LINUX64_H */
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--- a/gdb/target.h
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+++ b/gdb/target.h
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@@ -1257,8 +1257,10 @@ extern char *normal_pid_to_str (ptid_t ptid);
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bp_hardware_breakpoint. CNT is the number of such watchpoints used so far
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(including this one?). OTHERTYPE is who knows what... */
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+#ifndef target_can_use_hardware_watchpoint
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#define target_can_use_hardware_watchpoint(TYPE,CNT,OTHERTYPE) \
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(*current_target.to_can_use_hw_breakpoint) (TYPE, CNT, OTHERTYPE);
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+#endif
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#define target_region_ok_for_hw_watchpoint(addr, len) \
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(*current_target.to_region_ok_for_hw_watchpoint) (addr, len)
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--- /dev/null
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+++ b/gdb/testsuite/gdb.base/watchpoint-hw-before-run.exp
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@@ -0,0 +1,40 @@
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+# Copyright 2009, 2010 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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+# Arch not supporting hw watchpoints does not imply no_hardware_watchpoints set.
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+if {(![istarget "i?86-*-*"] && ![istarget "x86_64-*-*"]
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+ && ![istarget "ia64-*-*"])
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+ || [target_info exists gdb,no_hardware_watchpoints]} then {
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+ verbose "Skipping watchpoint-hw-before-run test."
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+ return
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+}
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+
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+set test watchpoint-hw-before-run
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+set srcfile watchpoint-hw-hit-once.c
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+if { [prepare_for_testing ${test}.exp ${test} ${srcfile}] } {
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+ return -1
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+}
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+
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+gdb_test "rwatch watchee" "ardware read watchpoint 1: watchee"
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+
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+# `runto_main' or `runto main' would delete the watchpoint created above.
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+
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+if { [gdb_start_cmd] < 0 } {
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+ untested start
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+ return -1
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+}
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+gdb_test "" "main .* at .*" "start"
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+
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+gdb_test "continue" "Continuing.\r\nHardware read watchpoint \[0-9\]+: watchee\r\n\r\nValue = 0\r\n.*"
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