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# Copyright 2010, 2011 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/>.
# Test DW_OP_GNU_implicit_pointer.
# This test can only be run on targets which support DWARF-2 and use gas.
# For now pick a sampling of likely targets.
if {![istarget *-*-linux*]
&& ![istarget *-*-gnu*]
&& ![istarget *-*-elf*]
&& ![istarget *-*-openbsd*]
&& ![istarget arm-*-eabi*]
&& ![istarget powerpc-*-eabi*]} {
return 0
}
# This test can only be run on x86 targets.
if {![istarget i?86-*]} {
return 0
}
set testfile "implptr"
set srcfile ${testfile}.S
set csrcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}.x
if {[prepare_for_testing ${testfile}.exp ${testfile}.x $srcfile]} {
return -1
}
if ![runto_main] {
return -1
}
# Test various pointer depths in bar.
proc implptr_test_bar {} {
global csrcfile
set line [gdb_get_line_number "bar breakpoint" $csrcfile]
gdb_test "break implptr.c:$line" "Breakpoint 2.*" \
"set bar breakpoint for implptr"
gdb_continue_to_breakpoint "continue to bar breakpoint for implptr"
gdb_test "print j" " = .int .. <synthetic pointer>" "print j in implptr:bar"
gdb_test "print *j" " = 5" "print *j in implptr:bar"
gdb_test "print **k" " = 5" "print **k in implptr:bar"
gdb_test "print ***l" " = 5" "print ***l in implptr:bar"
}
# Test some values in foo.
proc implptr_test_foo {} {
global csrcfile
set line [gdb_get_line_number "foo breakpoint" $csrcfile]
gdb_test "break implptr.c:$line" "Breakpoint 3.*" \
"set foo breakpoint for implptr"
gdb_continue_to_breakpoint "continue to foo breakpoint for implptr"
gdb_test "print p\[0].x" " = .int .. <synthetic pointer>" \
"print p\[0].x in implptr:foo"
gdb_test "print *p\[0].x" " = 69" \
"print *p\[0].x in implptr:foo"
gdb_test "print/d *(((char *) p\[0].x) + 1)" " = 0" \
"print byte inside *p\[0].x in implptr:foo"
gdb_test "print *(p\[0].x + 10)" \
"access outside bounds of object referenced via synthetic pointer" \
"print invalid offset from *p\[0].x in implptr:foo"
gdb_test "print j" " = 69" \
"print j in implptr:foo"
}
implptr_test_bar
implptr_test_foo
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