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Fixed top frame assumption in watchpoint-hw-attach 

watchpoint-hw-attach.exp was noticed to fail on some machines.
Thanks to the input from sergiodj and palves on the IRC channel,
it was concluded that the test case incorrectly assumed that on
attach it was landed in the top-most frame of the inferior. This
was fixed by running to a break point in main by explicitly
defining the source file name before continuing with the test.

Tested on the following architectures x86_64, aarch64 and ppc64le.

gdb/testsuite/ChangeLog:

	* gdb.base/watchpoint-hw-attach.c (main): Remove unneeded
	code.
	* gdb.base/watchpoint-hw-attach.exp: Break in outermost frame.
This commit is contained in:
Richard Bunt 2018-06-28 08:59:59 +01:00
parent 291f9a9643
commit be1b6474f0
3 changed files with 10 additions and 5 deletions
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6
gdb/testsuite/ChangeLog
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@ -1,3 +1,9 @@
2018-06-28 Richard Bunt <richard.bunt@arm.com>
* gdb.base/watchpoint-hw-attach.c (main): Remove unneeded
code.
* gdb.base/watchpoint-hw-attach.exp: Break in outermost frame.
2018-06-28 Petr Tesarik <ptesarik@suse.cz>
* gdb.base/relocate.exp: Add test for "add-symbol-file -o ".

1
gdb/testsuite/gdb.base/watchpoint-hw-attach.c
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@ -36,7 +36,6 @@ main (void)
for (counter = 0; !should_continue && counter < 100; counter++)
sleep (1); /* pidacquired */
watched_variable = 0; /* prewatchtrigger */
/* Trigger a watchpoint. */
watched_variable = 4;
printf ("My variable is %d\n", watched_variable);

8
gdb/testsuite/gdb.base/watchpoint-hw-attach.exp
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@ -57,12 +57,12 @@ clean_restart $binfile
gdb_test "attach $testpid" "Attaching to program: .*, process $testpid.*"
gdb_test_no_output "set should_continue = 1"
# Ensure the test program is in the top frame so the required
# variables are in scope.
gdb_breakpoint [gdb_get_line_number "prewatchtrigger"]
gdb_continue_to_breakpoint "prewatchtrigger"
gdb_breakpoint $srcfile:[gdb_get_line_number "pidacquired"]
gdb_continue_to_breakpoint "$srcfile:pidacquired"
gdb_test_no_output "set should_continue = 1"
gdb_test "watch watched_variable" \
"Hardware watchpoint $decimal: watched_variable"