gdb/testsuite/gdb.base/infcall-nested-structs.exp.tcl

   1 # This testcase is part of GDB, the GNU debugger.
   2
   3 # Copyright 2018-2020 Free Software Foundation, Inc.
   4
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 # Some targets can't call functions, so don't even bother with this
  19 # test.
  20
  21 if [target_info exists gdb,cannot_call_functions] {
  22     unsupported "this target can not call functions"
  23     continue
  24 }
  25
  26 set int_types { tc ts ti tl tll }
  27 set float_types { tf td tld }
  28 set complex_types { tfc tdc tldc }
  29
  30 set compile_flags {debug}
  31 if [support_complex_tests] {
  32     lappend compile_flags "additional_flags=-DTEST_COMPLEX"
  33     lappend compile_flags "additional_flags=-Wno-psabi"
  34 }
  35
  36 # Given N (0..25), return the corresponding alphabetic letter in upper
  37 # case.
  38
  39 proc I2A { n } {
  40     return [string range "ABCDEFGHIJKLMNOPQRSTUVWXYZ" $n $n]
  41 }
  42
  43 # Compile a variant of nested-structs.c using TYPES to specify the
  44 # types of the struct fields within the source.  Run up to main.
  45 # Also updates the global "testfile" to reflect the most recent build.
  46
  47 proc start_nested_structs_test { lang types } {
  48     global testfile
  49     global srcfile
  50     global binfile
  51     global subdir
  52     global srcdir
  53     global compile_flags
  54
  55     standard_testfile infcall-nested-structs.c
  56
  57     # Create the additional flags
  58     set flags $compile_flags
  59     lappend flags $lang
  60     lappend flags "additional_flags=-O2"
  61
  62     for {set n 0} {$n<[llength ${types}]} {incr n} {
  63         set m [I2A ${n}]
  64         set t [lindex ${types} $n]
  65         lappend flags "additional_flags=-Dt${m}=${t}"
  66         append testfile "-" "$t"
  67     }
  68
  69     if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable "${flags}"] != "" } {
  70         unresolved "failed to compile"
  71         return 0
  72     }
  73
  74     # Start with a fresh gdb.
  75     clean_restart ${binfile}
  76
  77     # Make certain that the output is consistent
  78     gdb_test_no_output "set print sevenbit-strings"
  79     gdb_test_no_output "set print address off"
  80     gdb_test_no_output "set print pretty off"
  81     gdb_test_no_output "set width 0"
  82     gdb_test_no_output "set print elements 300"
  83
  84     # Advance to main
  85     if { ![runto_main] } then {
  86         fail "can't run to main"
  87         return 0
  88     }
  89
  90     # Now continue forward to a suitable location to run the tests.
  91     # Some targets only enable the FPU on first use, so ensure that we
  92     # have used the FPU before we make calls from GDB to code that
  93     # could use the FPU.
  94     gdb_breakpoint [gdb_get_line_number "Break Here"] temporary
  95     gdb_continue_to_breakpoint "breakpt" ".* Break Here\\. .*"
  96
  97     return 1
  98 }
  99
 100 # Assuming GDB is stopped at main within a test binary, run some tests
 101 # passing structures, and reading return value structures.
 102
 103 proc run_tests { lang types } {
 104     global gdb_prompt
 105
 106     foreach {name} {struct_01_01 struct_01_02 struct_01_03 struct_01_04
 107                     struct_02_01 struct_02_02 struct_02_03 struct_02_04
 108                     struct_04_01 struct_04_02 struct_04_03 struct_04_04
 109                     struct_05_01 struct_05_02 struct_05_03 struct_05_04
 110                     struct_static_02_01 struct_static_02_02 struct_static_02_03 struct_static_02_04
 111                     struct_static_04_01 struct_static_04_02 struct_static_04_03 struct_static_04_04
 112                     struct_static_06_01 struct_static_06_02 struct_static_06_03 struct_static_06_04} {
 113
 114         # Only run static member tests on C++
 115         if { $lang == "c" && [regexp "static" $name match] } {
 116             continue
 117         }
 118
 119         gdb_test "p/d check_arg_${name} (ref_val_${name})" "= 1"
 120
 121         set refval [ get_valueof "" "ref_val_${name}" "" ]
 122         verbose -log "Refval: ${refval}"
 123
 124         set test "check return value ${name}"
 125         if { ${refval} != "" } {
 126
 127             set answer [ get_valueof "" "rtn_str_${name} ()" "XXXX"]
 128             verbose -log "Answer: ${answer}"
 129
 130             gdb_assert [string eq ${answer} ${refval}] ${test}
 131         } else {
 132             unresolved $test
 133         }
 134     }
 135 }
 136
 137 # Set up a test prefix, compile the test binary, run to main, and then
 138 # run some tests.
 139
 140 proc start_gdb_and_run_tests { lang types } {
 141     set prefix "types"
 142
 143     foreach t $types {
 144         append prefix "-" "${t}"
 145     }
 146
 147     with_test_prefix $prefix {
 148         if { [start_nested_structs_test $lang $types] } {
 149             run_tests $lang $prefix
 150         }
 151     }
 152 }
 153
 154 foreach ta $int_types {
 155     start_gdb_and_run_tests $lang $ta
 156 }
 157
 158 if [support_complex_tests] {
 159     foreach ta $complex_types {
 160         start_gdb_and_run_tests $lang $ta
 161     }
 162 }
 163
 164 if ![gdb_skip_float_test] {
 165     foreach ta $float_types {
 166         start_gdb_and_run_tests $lang $ta
 167     }
 168
 169     foreach ta $int_types {
 170         foreach tb $float_types {
 171             start_gdb_and_run_tests $lang [list $ta $tb]
 172         }
 173     }
 174
 175     foreach ta $float_types {
 176         foreach tb $int_types {
 177             start_gdb_and_run_tests $lang [list $ta $tb]
 178         }
 179
 180         foreach tb $float_types {
 181             start_gdb_and_run_tests $lang [list $ta $tb]
 182         }
 183     }
 184 }