| # 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/>. |
| load_lib dwarf.exp |
| |
| # Test DW_OP_GNU_implicit_pointer. |
| |
| # This test can only be run on targets which support DWARF-2 and use gas. |
| if {![dwarf2_support]} { |
| 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 |