| # Copyright 2010-2016 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 |
| } |
| |
| standard_testfile .S |
| set csrcfile ${testfile}.c |
| set opts {} |
| |
| if [info exists COMPILE] { |
| # make check RUNTESTFLAGS='gdb.dwarf2/implptr.exp COMPILE=1 CC_FOR_TARGET=gcc\ -m32' |
| set srcfile ${csrcfile} |
| lappend opts debug optimize=-O2 |
| } elseif {![is_x86_like_target]} { |
| # This test can only be run on x86 targets. |
| return 0 |
| } |
| |
| if {[prepare_for_testing ${testfile}.exp ${testfile} $srcfile $opts]} { |
| return -1 |
| } |
| |
| # Additional test to verify the referenced CU is not aged out. |
| gdb_test_no_output "maintenance set dwarf max-cache-age 0" |
| |
| 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" " = \\(intp\\) <synthetic pointer>" "print j in implptr:bar" |
| gdb_test {print sizeof (j[0])} " = 4" {print sizeof (j[0]) 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 implicit pointer offset. |
| proc implptr_test_baz {} { |
| global csrcfile |
| set line [gdb_get_line_number "baz breakpoint" $csrcfile] |
| gdb_test "break implptr.c:$line" "Breakpoint 3.*" \ |
| "set baz breakpoint for implptr" |
| gdb_continue_to_breakpoint "continue to baz breakpoint for implptr" |
| gdb_test {p p[0].y} " = 92" "sanity check element 0" |
| gdb_test {p p[1].y} " = 46" "sanity check element 1" |
| gdb_test "step" "\r\nadd \\(.*" "enter the inlined function" |
| gdb_test "p a->y" " = 92" "check element 0 for the offset" |
| gdb_test "p b->y" " = 46" "check element 1 for the offset" |
| gdb_continue_to_breakpoint "ignore the second baz breakpoint" |
| } |
| |
| # 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 4.*" \ |
| "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_baz |
| implptr_test_foo |