projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 88b9d363 | 1 | # Copyright 2017-2022 Free Software Foundation, Inc. |
| eccab96d JB |
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 | load_lib dwarf.exp | |
| 16 | ||
| 17 | # This test can only be run on targets which support DWARF-2 and use gas. | |
| 18 | if {![dwarf2_support]} { | |
| 19 | return 0 | |
| 20 | } | |
| 21 | ||
| d1c8a76d | 22 | standard_testfile .c -dw.S |
| eccab96d JB |
23 | |
| 24 | # We need to know the size of integer and address types in order | |
| 25 | # to write some of the debugging info we'd like to generate. | |
| 26 | # | |
| 27 | # For that, we ask GDB by debugging our ada-valprint-error.c program. | |
| 28 | # Any program would do, but since we already have ada-valprint-error.c | |
| 29 | # specifically for this testcase, might as well use that. | |
| 30 | ||
| 31 | if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile}] } { | |
| 9c2412ec | 32 | untested "failed to compile" |
| eccab96d JB |
33 | return -1 |
| 34 | } | |
| 35 | ||
| 36 | # Make some DWARF for the test. | |
| 37 | set asm_file [standard_output_file $srcfile2] | |
| 38 | Dwarf::assemble $asm_file { | |
| 39 | cu {} { | |
| 40 | DW_TAG_compile_unit { | |
| 41 | {DW_AT_language @DW_LANG_Ada95} | |
| 42 | {DW_AT_name fd.adb} | |
| 43 | {DW_AT_comp_dir /tmp} | |
| 44 | } { | |
| 45 | declare_labels array_elt_label integer_label array_label \ | |
| 46 | typedef_label ref_type_label | |
| 47 | set ptr_size [get_sizeof "void *" 96] | |
| 48 | set int_size [get_sizeof "int" 4] | |
| 49 | ||
| 50 | # A structure with no size attribute, to mimick structures | |
| 51 | # in Ada that have a dynamic size... | |
| 52 | array_elt_label: structure_type { | |
| 53 | {name fd__Tints_doubledC} | |
| 54 | {artificial 1 DW_FORM_flag_present} | |
| 55 | } | |
| 56 | ||
| 57 | # ... and a corresponding XVZ variable, supposed to be there | |
| 58 | # to provide the actual size. Except that, in this case, | |
| 59 | # the variable has no address, to simulate the fact that | |
| 60 | # it has been optimized out (which the compiler can do, | |
| 61 | # even if it at the expense of debuggability). | |
| 62 | DW_TAG_variable { | |
| 63 | {name fd__Tints_doubledC___XVZ} | |
| 64 | {DW_AT_type :$integer_label} | |
| 65 | {artificial 1 DW_FORM_flag_present} | |
| 66 | } | |
| 67 | ||
| 68 | integer_label: DW_TAG_base_type { | |
| 69 | {DW_AT_byte_size $int_size DW_FORM_sdata} | |
| 70 | {DW_AT_encoding @DW_ATE_signed} | |
| 71 | {DW_AT_name integer} | |
| 72 | } | |
| 73 | ||
| 74 | array_label: DW_TAG_array_type { | |
| 75 | {DW_AT_name fd__ints_doubled} | |
| 76 | {DW_AT_type :$array_elt_label} | |
| 77 | } { | |
| 78 | DW_TAG_subrange_type { | |
| 79 | {DW_AT_type :$integer_label} | |
| 80 | {DW_AT_upper_bound 2 DW_FORM_data1} | |
| 81 | } | |
| 82 | } | |
| 83 | ||
| 84 | typedef_label: DW_TAG_typedef { | |
| 85 | {DW_AT_name fd__ints_doubled} | |
| 86 | {DW_AT_type :$array_label} | |
| 87 | } | |
| 88 | ||
| 89 | ref_type_label: DW_TAG_reference_type { | |
| 90 | {DW_AT_byte_size $ptr_size DW_FORM_sdata} | |
| 91 | {DW_AT_type :$typedef_label} | |
| 92 | } | |
| 93 | ||
| 94 | DW_TAG_variable { | |
| 95 | {name fd__global} | |
| 96 | {DW_AT_type :$ref_type_label} | |
| 97 | {DW_AT_location { | |
| 98 | DW_OP_addr [gdb_target_symbol fd__global] | |
| 99 | } SPECIAL_expr} | |
| 100 | {external 1 flag} | |
| 101 | } | |
| 102 | ||
| 103 | } | |
| 104 | } | |
| 105 | } | |
| 106 | ||
| 107 | if { [prepare_for_testing ${testfile}.exp ${testfile} \ | |
| 108 | [list $srcfile $asm_file] {nodebug}] } { | |
| 109 | return -1 | |
| 110 | } | |
| 111 | ||
| 112 | gdb_test_no_output "set language ada" | |
| 113 | ||
| 114 | gdb_test "print fd.global" \ | |
| 115 | " = <error reading variable: unable to read value of fd__Tints_doubledC___XVZ \\(value has been optimized out\\)>" |