gdb/testsuite/gdb.base/call-rt-st.exp

   1 # Copyright 1998-2023 Free Software Foundation, Inc.
   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 # This file was written by Elena Zannoni (ezannoni@cygnus.com)
  17
  18 # this file tests command line calls with functions returning structures
  19 # corresponding source file: call_return_struct.c
  20
  21
  22 # Some targets can't do function calls, so don't even bother with this
  23 # test.
  24 require {!target_info exists gdb,cannot_call_functions}
  25
  26 standard_testfile .c
  27
  28 set flags {}
  29 lappend flags debug
  30 lappend flags nowarnings
  31 lappend_include_file flags $srcdir/lib/unbuffer_output.c
  32
  33 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable $flags] != "" } {
  34     untested "failed to compile"
  35     return -1
  36 }
  37
  38 set allow_float_test [allow_float_test]
  39
  40 # Start with a fresh gdb.
  41
  42 clean_restart ${binfile}
  43 gdb_test_no_output "set print sevenbit-strings"
  44 gdb_test_no_output "set print address off"
  45 gdb_test_no_output "set width 0"
  46
  47
  48 if {![runto_main]} {
  49     return
  50 }
  51
  52
  53 set stop_line [gdb_get_line_number "-break1-"]
  54 gdb_test "break loop_count" \
  55     "Breakpoint.* file .*call-rt-st.c, line $stop_line\\." \
  56     "breakpoint loop_count"
  57
  58 gdb_test "continue" \
  59     "Continuing\\..*Breakpoint.*loop_count \\(\\) at.*call-rt-st.c:$stop_line\[ \t\r\n\]+$stop_line\[\t \]+for \\(index=0; index.4; index..\\);.*" \
  60     "continue to loop_count"
  61
  62 gdb_test_multiple "finish" "finish out from loop count" {
  63     -re "Run till exit from .0  loop_count \\(\\) at.*call-rt-st.c:$stop_line\[ \t\r\n\]+main \\(\\) at.*call-rt-st.c:${decimal}\[ \t\r\n\]+${decimal}\[\t \]+return 0;.*-finish1-.*$gdb_prompt $" {
  64         pass "finish out from loop_count (finish1)"
  65     }
  66     -re  "Run till exit from .0  loop_count \\(\\) at.*call-rt-st.c:$stop_line\[ \t\r\n\]+main \\(\\) at.*call-rt-st.c:${decimal}\[ \t\r\n\]+${decimal}\[\t \]+loop_count.*-finish2-.*$gdb_prompt $" {
  67         pass "finish out from loop_count (line 775)"
  68     }
  69 }
  70
  71 # Ask GDB to print the value of EXPR, and expect to see the regexp
  72 # RESULT in the output.  If we get back the error message "Function
  73 # return value unknown", call that an `unsupported' test; on some
  74 # architectures, it's impossible to find structs returned by value
  75 # reliably.
  76 proc print_struct_call { expr inf_result gdb_result } {
  77     global gdb_prompt
  78     global inferior_spawn_id gdb_spawn_id
  79
  80     set inferior_matched 0
  81     set gdb_matched 0
  82
  83     set command "print $expr"
  84     gdb_test_multiple "${command}" "${command}" {
  85         -i $inferior_spawn_id
  86         -re "$inf_result" {
  87             set inferior_matched 1
  88             if {!$gdb_matched} {
  89                 exp_continue
  90             }
  91         }
  92
  93         -i $gdb_spawn_id
  94         -re "$gdb_result\r\n$gdb_prompt $" {
  95             set gdb_matched 1
  96             if {!$inferior_matched} {
  97                 exp_continue
  98             }
  99         }
 100         -re "Function return value unknown.\[\r\n\]+$gdb_prompt $" {
 101             unsupported "$command"
 102             return
 103         }
 104     }
 105
 106     verbose -log "inferior_matched=$inferior_matched, gdb_matched=$gdb_matched"
 107     gdb_assert {$inferior_matched && $gdb_matched} $command
 108 }
 109
 110
 111 if ![gdb_skip_stdio_test "print print_struct_rep(*struct1)"] {
 112     print_struct_call "print_struct_rep(*struct1)" \
 113         ".*Contents of struct1:\[ \t\n\r\]+22\[ \t\]+0\[ \t\n\r\]+" \
 114         ".\[0-9\]+ = \\{value = 5, head = 0\\}"
 115 }
 116
 117 if ![gdb_skip_stdio_test "print print_one_large_struct(...)"] {
 118     print_struct_call "print_one_large_struct(*list1)" \
 119         ".*\[ \t\]+4\[ \t\]+1\[ \r\n\]+" \
 120         ".\[0-9\]+ = \\{next_index = \\{1, 2, 3, 4, 5, 6, 7, 8, 9, 10\\}, values = \\{4, 6, 8, 10, 12, 14, 16, 18, 20, 22\\}, head = 0\\}"
 121 }
 122
 123 if {$allow_float_test && \
 124         ![gdb_skip_stdio_test "print print_one_double(*d1)"] } {
 125     print_struct_call "print_one_double(*d1)" \
 126         ".*Contents of one_double_t:\[ \r\n\]+1\\.111110\[ \r\n\]+" \
 127         ".\[0-9\]+ = \\{double1 = 1\\.111\[0-9\]*\\}"
 128 }
 129
 130 if {$allow_float_test && \
 131         ![gdb_skip_stdio_test "print print_two_floats(*f3)"] } {
 132     print_struct_call "print_two_floats(*f3)" \
 133         ".*Contents of two_floats_t:\[ \r\n\]+-2\\.345000\[ \t]+1\\.000000\[ \r\n\]+" \
 134         ".\[0-9\]+ = \\{float1 = -2\\.34500003, float2 = 1\\}"
 135 }
 136
 137 if ![gdb_skip_stdio_test "print print_bit_flags_char(*cflags)"] {
 138     print_struct_call "print_bit_flags_char(*cflags)" \
 139         ".*alpha\[ \r\n\]+gamma\[ \r\n\]+epsilon\[ \r\n\]+" \
 140         ".\[0-9\]+ = \\{alpha = 1 '\\\\001', beta = 0 '\\\\000', gamma = 1 '\\\\001', delta = 0 '\\\\000', epsilon = 1 '\\\\001', omega = 0 '\\\\000'\\}"
 141 }
 142
 143 if ![gdb_skip_stdio_test "print print_bit_flags_short(*sflags)"] {
 144     print_struct_call "print_bit_flags_short(*sflags)" \
 145         ".*alpha\[ \r\n\]+gamma\[ \r\n\]+epsilon\[ \r\n\]+" \
 146         ".\[0-9\]+ = \\{alpha = 1, beta = 0, gamma = 1, delta = 0, epsilon = 1, omega = 0\\}"
 147 }
 148
 149 if ![gdb_skip_stdio_test "print print_bit_flags(*flags)"] {
 150     print_struct_call "print_bit_flags(*flags)" \
 151         ".*alpha\[ \r\n\]+gamma\[ \r\n\]+epsilon\[ \r\n\]+" \
 152         ".\[0-9\]+ = \\{alpha = 1, beta = 0, gamma = 1, delta = 0, epsilon = 1, omega = 0\\}"
 153 }
 154
 155 if ![gdb_skip_stdio_test "print print_bit_flags_combo(*flags_combo)"] {
 156     print_struct_call "print_bit_flags_combo(*flags_combo)" \
 157         ".*alpha\[ \r\n\]+gamma\[ \r\n\]+epsilon\[ \r\n\]+ch1: y\[ \t\]+ch2: n\[ \r\n\]+" \
 158         ".\[0-9\]+ = \\{alpha = 1, beta = 0, ch1 = 121 'y', gamma = 1, delta = 0, ch2 = 110 'n', epsilon = 1, omega = 0\\}"
 159 }
 160
 161 if ![gdb_skip_stdio_test "print print_three_chars(*three_chars)"] {
 162     print_struct_call "print_three_chars(*three_char)" \
 163         ".*Contents of three_char_t:\[ \r\n\]+x\[ \t\]+y\[ \t\]+z\[ \r\n\]+" \
 164         ".\[0-9\]+ = \\{ch1 = 120 'x', ch2 = 121 'y', ch3 = 122 'z'\\}"
 165 }
 166
 167 if ![gdb_skip_stdio_test "print print_five_chars(*five_chars)"] {
 168     print_struct_call "print_five_chars(*five_char)" \
 169         ".*Contents of five_char_t:\[ \r\n\]+h\[ \t\]+e\[ \t\]+l\[ \t\]+l\[ \t\]+o\[ \r\n\]+" \
 170         ".\[0-9\]+ = \\{ch1 = 104 'h', ch2 = 101 'e', ch3 = 108 'l', ch4 = 108 'l', ch5 = 111 'o'\\}"
 171 }
 172
 173 if ![gdb_skip_stdio_test "print print_int_char_combo(*int_char_combo)"] {
 174     print_struct_call "print_int_char_combo(*int_char_combo)" \
 175         ".*Contents of int_char_combo_t:\[ \r\n\]+13\[ \t\]+!\[ \r\n\]+" \
 176         ".\[0-9\]+ = \\{int1 = 13, ch1 = 33 '!'\\}"
 177 }