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| author | Pedro Alves <palves@redhat.com> | 2010-02-22 23:35:17 +0000 |
|---|---|---|
| committer | Pedro Alves <palves@redhat.com> | 2010-02-22 23:35:17 +0000 |
| commit | 85d721b88f7efe93142bb8aa8de6f5181830d1dc (patch) | |
| tree | 4b1400e76058dff90370a63a36fe88680ba41d39 /gdb/testsuite/gdb.base/watch-read.c | |
| parent | 4c7f0517f37d925f3e1174cef660bef7e102695c (diff) | |
| download | gdb-85d721b88f7efe93142bb8aa8de6f5181830d1dc.zip gdb-85d721b88f7efe93142bb8aa8de6f5181830d1dc.tar.gz gdb-85d721b88f7efe93142bb8aa8de6f5181830d1dc.tar.bz2 | |
2010-02-22 Pedro Alves <pedro@codesourcery.com>
PR9605
gdb/
* breakpoint.c (insert_bp_location): If inserting the read
watchpoint failed, fallback to an access watchpoint.
(bpstat_check_watchpoint): Stop for read watchpoint triggers even
if the value changed, if not watching the same memory for writes.
(watchpoint_locations_match): Add comment.
(update_global_location_list): Copy the location's watchpoint type.
* i386-nat.c (i386_length_and_rw_bits): It's an internal error to
handle read watchpoints here.
(i386_insert_watchpoint): Read watchpoints aren't supported.
* remote.c (remote_insert_watchpoint): Return 1 for unsupported
packets.
* target.h (target_insert_watchpoint): Update description.
2010-02-22 Pedro Alves <pedro@codesourcery.com>
PR9605
gdbserver/
* i386-low.c (i386_length_and_rw_bits): Throw a fatal error if
handing a read watchpoint.
(i386_low_insert_watchpoint): Read watchpoints aren't supported.
2010-02-22 Pedro Alves <pedro@codesourcery.com>
PR9605
gdb/testsuite/
* gdb.base/watch-read.c, gdb.base/watch-read.exp: New files.
Diffstat (limited to 'gdb/testsuite/gdb.base/watch-read.c')
| -rw-r--r-- | gdb/testsuite/gdb.base/watch-read.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.base/watch-read.c b/gdb/testsuite/gdb.base/watch-read.c new file mode 100644 index 0000000..27c8703 --- /dev/null +++ b/gdb/testsuite/gdb.base/watch-read.c @@ -0,0 +1,33 @@ +/* This testcase is part of GDB, the GNU debugger. + + Copyright 2009, 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 3 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, see <http://www.gnu.org/licenses/>. */ + +volatile int global; + +int +main (void) +{ + int foo = -1; + + while (1) + { + foo = global; /* read line */ + + global = foo + 1; /* write line */ + } + + return 0; +} |