projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| b811d2c2 | 1 | # Copyright 2019-2020 Free Software Foundation, Inc. |
| f097f5ad TT |
2 | |
| 3 | # This program is free software; you can redistribute it and/or modify | |
| 4 | # it under the terms of the GNU General Public License as published by | |
| 5 | # the Free Software Foundation; either version 3 of the License, or | |
| 6 | # (at your option) any later version. | |
| 7 | # | |
| 8 | # This program is distributed in the hope that it will be useful, | |
| 9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 11 | # GNU General Public License for more details. | |
| 12 | # | |
| 13 | # You should have received a copy of the GNU General Public License | |
| 14 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 15 | ||
| 16 | # PR gdb/21855 concerns a crash in "finish" where the function's | |
| 17 | # return type is a typedef of void. | |
| 18 | ||
| 19 | load_lib dwarf.exp | |
| 20 | load_lib gdb-python.exp | |
| 21 | ||
| 22 | # This test can only be run on targets which support DWARF-2 and use gas. | |
| 23 | if {![dwarf2_support]} { | |
| 24 | return 0 | |
| 25 | } | |
| 26 | ||
| 27 | standard_testfile void-type.c typedef-void-finish.S | |
| 28 | ||
| 29 | # Make some DWARF for the test. | |
| 30 | set asm_file [standard_output_file $srcfile2] | |
| 31 | Dwarf::assemble $asm_file { | |
| 32 | global srcdir subdir srcfile | |
| 33 | ||
| 34 | set func_result [function_range func ${srcdir}/${subdir}/${srcfile}] | |
| 35 | set func_start [lindex $func_result 0] | |
| 36 | set func_length [lindex $func_result 1] | |
| 37 | ||
| 38 | set main_result [function_range main ${srcdir}/${subdir}/${srcfile}] | |
| 39 | set main_start [lindex $main_result 0] | |
| 40 | set main_length [lindex $main_result 1] | |
| 41 | ||
| 42 | cu {} { | |
| 43 | DW_TAG_compile_unit { | |
| 44 | {DW_AT_producer "GNU C 8.1"} | |
| 45 | {DW_AT_language @DW_LANG_C} | |
| 46 | {DW_AT_name void-type.c} | |
| 47 | {DW_AT_comp_dir /tmp} | |
| 48 | } { | |
| 49 | declare_labels main_type void_typedef | |
| 50 | ||
| 51 | main_type: DW_TAG_base_type { | |
| 52 | {DW_AT_byte_size 4 DW_FORM_sdata} | |
| 53 | {DW_AT_encoding @DW_ATE_signed} | |
| 54 | } | |
| 55 | ||
| 56 | void_typedef: DW_TAG_typedef { | |
| 57 | {name foo} | |
| 58 | } | |
| 59 | ||
| 60 | DW_TAG_subprogram { | |
| 61 | {name func} | |
| 62 | {low_pc $func_start addr} | |
| 63 | {high_pc "$func_start + $func_length" addr} | |
| 64 | {type :$void_typedef} | |
| 65 | } | |
| 66 | DW_TAG_subprogram { | |
| 67 | {name main} | |
| 68 | {low_pc $main_start addr} | |
| 69 | {high_pc "$main_start + $main_length" addr} | |
| 70 | {type :$main_type} | |
| 71 | } | |
| 72 | } | |
| 73 | } | |
| 74 | } | |
| 75 | ||
| 76 | if { [prepare_for_testing "failed to prepare" ${testfile} \ | |
| 77 | [list $srcfile $asm_file] {nodebug}] } { | |
| 78 | return -1 | |
| 79 | } | |
| 80 | ||
| 81 | if {![runto_main]} { | |
| 82 | return -1 | |
| 83 | } | |
| 84 | ||
| 85 | gdb_test "break func" "Breakpoint .*" \ | |
| 86 | "set breakpoint in func" | |
| 87 | gdb_continue_to_breakpoint "continue to func" | |
| 88 | ||
| 89 | set skip_python [skip_python_tests] | |
| 90 | if {!$skip_python} { | |
| 91 | gdb_test "python finishbp = gdb.FinishBreakpoint()" \ | |
| 92 | "Temporary breakpoint.*" "set FinishBreakpoint" | |
| 93 | } | |
| 94 | ||
| 95 | gdb_test "finish" [multi_line \ | |
| 96 | "Run till exit from #0 $hex in func \\\(\\\)" \ | |
| 97 | ".*$hex in main \\\(\\\)"] | |
| 98 | ||
| 99 | if {!$skip_python} { | |
| 100 | gdb_test "python print (finishbp.return_value)" "None" \ | |
| 101 | "check that return_value is None" | |
| 102 | } |