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Add testcase for locals identified with FUNCTION::VAR syntax. 

This test stops inside a recursive function after a few levels of recursion,
goes up some frames, and then accesses a local variable with 'print foo::val'
rather than the usual 'print val' to see if the former pays attention to the
selected frame.

2012-01-11  Paul Hilfinger  <hilfingr@adacore.com>
    	    Joel Brobecker <brobecker@adacore.com>

	* gdb.base/recpar.c, gdb.base/recpar.exp: New files.
This commit is contained in:
Paul N. Hilfinger 2012-01-11 10:35:12 +00:00
parent 72384ba31a
commit ea73357595
3 changed files with 89 additions and 0 deletions
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5
gdb/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2012-01-11 Paul Hilfinger <hilfingr@adacore.com>
Joel Brobecker <brobecker@adacore.com>
* gdb.base/recpar.c, gdb.base/recpar.exp: New files.
2012-01-05 Pedro Alves <alves.ped@gmail.com>
* gdb.mi/mi-stepn.c, gdb.mi/mi-stepn.exp: New files.

42
gdb/testsuite/gdb.base/recpar.c Normal file
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/* This testcase is part of GDB, the GNU debugger.
Copyright 2012 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/>. */
int
foo (int n)
{
int val = n;
{
char val = n ? 'y' : 'n'; /* Hides upper-level `val'. */
if (val == 'y') /* BREAK */
return n + foo (n - 1);
}
return 0;
}
int
main (void)
{
int res = foo (5);
if (res != 15) /* Dummy use of variable res. */
return 1;
return 0;
}

42
gdb/testsuite/gdb.base/recpar.exp Normal file
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# Copyright (C) 2012 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/>.
set testfile recpar
set srcfile ${testfile}.c
if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile}] } {
return -1
}
if ![runto_main] {
untested ${testfile}.exp
return -1
}
gdb_test "break $srcfile:[gdb_get_line_number BREAK $srcfile] if n == 3" \
"Breakpoint $decimal at $hex: file .*recpar\\.c, line $decimal\\."
gdb_test "continue" \
"Breakpoint .* foo \\(n=3\\) at .*$srcfile:$decimal.*"
gdb_test "backtrace" \
"#0 +foo \\(n=3\\).*\r\n#1.* foo \\(n=4\\).*\r\n#2.* foo \\(n=5\\).*#3.* main \\(\\).*"
gdb_test "frame 2" \
"#2 .* foo \\(n=5\\) .*"
# In the currently selected frame, n=5, and thus foo::val should be 5
# as well.
gdb_test "print foo::val" \
" = 5"