| # 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 some DWARF piece operators. |
| |
| # 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 {![is_x86_like_target]} { |
| return 0 |
| } |
| |
| standard_testfile .S |
| set csrcfile ${testfile}.c |
| |
| if {[prepare_for_testing ${testfile}.exp ${testfile} $srcfile]} { |
| return -1 |
| } |
| |
| if ![runto_main] { |
| return -1 |
| } |
| |
| # Function f1 tests a particular gdb bug involving DW_OP_piece. |
| proc pieces_test_f1 {} { |
| global csrcfile |
| set line [gdb_get_line_number "f1 breakpoint" $csrcfile] |
| gdb_test "break pieces.c:$line" "Breakpoint 2.*" \ |
| "set f1 breakpoint for pieces" |
| gdb_continue_to_breakpoint "continue to f1 breakpoint for pieces" |
| gdb_test "print a" " = {i = 4, j = 14}" "print a in pieces:f1" |
| gdb_test "print a.j" " = 14" "print a.j in pieces:f1" |
| } |
| |
| # Function f2 tests for a bug when indexing into an array created |
| # using DW_OP_piece. |
| proc pieces_test_f2 {} { |
| global csrcfile |
| set line [gdb_get_line_number "f2 breakpoint" $csrcfile] |
| gdb_test "break pieces.c:$line" "Breakpoint 3.*" \ |
| "set f2 breakpoint for pieces" |
| gdb_continue_to_breakpoint "continue to f2 breakpoint for pieces" |
| gdb_test "print a" " = .4, 14." "print a in pieces:f2" |
| gdb_test "print a\[0\]" " = 4" "print a\[0\] in pieces:f2" |
| gdb_test "print a\[1\]" " = 14" "print a\[1\] in pieces:f2" |
| } |
| |
| # Function f3 tests DW_OP_bit_piece. |
| proc pieces_test_f3 {} { |
| global csrcfile |
| set line [gdb_get_line_number "f3 breakpoint" $csrcfile] |
| gdb_test "break pieces.c:$line" "Breakpoint 4.*" \ |
| "set f3 breakpoint for pieces" |
| gdb_continue_to_breakpoint "continue to f3 breakpoint for pieces" |
| gdb_test "print a.i" " = 4" "print a.i in pieces:f3" |
| gdb_test "print a.j" " = 14" "print a.j in pieces:f3" |
| gdb_test "print a.i = 7" " = 7" "set a.i in pieces:f3" |
| gdb_test "print a.i" " = 7" "print new a.i in pieces:f3" |
| } |
| |
| # Function f6 tests for an empty DW_OP_piece. |
| proc pieces_test_f6 {} { |
| global csrcfile |
| set line [gdb_get_line_number "f6 breakpoint" $csrcfile] |
| gdb_test "break pieces.c:$line" "Breakpoint 5.*" \ |
| "set f6 breakpoint for pieces" |
| gdb_continue_to_breakpoint "continue to f6 breakpoint for pieces" |
| gdb_test "print a" \ |
| " = {i = 7, j = 8, q = .optimized out.}" \ |
| "print a with optimized out piece" |
| # Note: no warning for this case. |
| gdb_test_multiple "print a.i" \ |
| "print a.i with optimized out piece" { |
| -re "warning: some bits in computed object" { |
| fail "print a.i with optimized out piece" |
| } |
| -re " = 7" { |
| pass "print a.i with optimized out piece" |
| } |
| } |
| } |
| |
| pieces_test_f1 |
| pieces_test_f2 |
| pieces_test_f3 |
| pieces_test_f6 |