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

   1 # Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008
   2 # Free Software Foundation, Inc.
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 # Please email any bugs, comments, and/or additions to this file to:
  18 # bug-gdb@prep.ai.mit.edu
  19
  20 # This file was written by Elena Zannoni (ezannoni@cygnus.com)
  21
  22 # this file tests command line calls with functions returning structures
  23 # corresponding source file: call_return_struct.c
  24
  25
  26
  27 if $tracelevel then {
  28         strace $tracelevel
  29 }
  30
  31 set prms_id 0
  32 set bug_id 0
  33
  34 set testfile "call-rt-st"
  35 set srcfile ${testfile}.c
  36 set binfile ${objdir}/${subdir}/${testfile}
  37
  38
  39 # Test depends on printf, which the sparclet stub doesn't support.
  40 if { [istarget "sparclet-*-*"] } {
  41     return 0;
  42 }
  43
  44 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
  45     untested "couldn't compile ${srcdir}/${subdir}/${srcfile}"
  46     return -1
  47 }
  48
  49
  50
  51 # Create and source the file that provides information about the compiler
  52 # used to compile the test case.
  53
  54 if [get_compiler_info ${binfile}] {
  55     return -1;
  56 }
  57
  58 # Some targets can't do function calls, so don't even bother with this
  59 # test.
  60 if [target_info exists gdb,cannot_call_functions] {
  61     setup_xfail "*-*-*" 2416
  62     fail "This target can not call functions"
  63     continue
  64 }
  65
  66 # Set the current language to C.  This counts as a test.  If it
  67 # fails, then we skip the other tests.
  68
  69 proc set_lang_c {} {
  70     global gdb_prompt
  71
  72     send_gdb "set language c\n"
  73     gdb_expect {
  74         -re ".*$gdb_prompt $" {}
  75         timeout { fail "set language c (timeout)" ; return 0; }
  76     }
  77
  78     send_gdb "show language\n"
  79     gdb_expect {
  80         -re ".* source language is \"c\".*$gdb_prompt $" {
  81             pass "set language to \"c\""
  82             return 1
  83         }
  84         -re ".*$gdb_prompt $" {
  85             fail "setting language to \"c\""
  86             return 0
  87         }
  88         timeout {
  89             fail "can't show language (timeout)"
  90             return 0
  91         }
  92     }
  93 }
  94
  95 # Start with a fresh gdb.
  96
  97 gdb_exit
  98 gdb_start
  99 gdb_reinitialize_dir $srcdir/$subdir
 100 gdb_load ${binfile}
 101 send_gdb "set print sevenbit-strings\n" ; gdb_expect -re "$gdb_prompt $"
 102 send_gdb "set print address off\n" ; gdb_expect -re "$gdb_prompt $"
 103 send_gdb "set width 0\n" ; gdb_expect -re "$gdb_prompt $"
 104
 105
 106 if ![runto_main] then {
 107     perror "couldn't run to breakpoint"
 108     continue
 109 }
 110
 111
 112 gdb_test "break loop_count" \
 113     "Breakpoint.* file .*call-rt-st.c, line 128\\." \
 114     "breakpoint loop_count"
 115
 116
 117 send_gdb "continue\n"
 118 gdb_expect {
 119  -re  "Continuing\\..*Breakpoint.*loop_count \\(\\) at.*call-rt-st.c:128\[ \t\r\n\]+128\[\t \]+for \\(index=0; index.4; index..\\);\[\r\n \]+$gdb_prompt $" {
 120                  pass "continue to loop_count"}
 121       -re ".*$gdb_prompt $" { fail "continue to loop_count"}
 122       timeout           { fail "(timeout) continue to loop_count"}
 123 }
 124
 125 send_gdb "finish\n"
 126 gdb_expect {
 127     -re  "Run till exit from .0  loop_count \\(\\) at.*call-rt-st.c:128\[ \t\r\n\]+main \\(\\) at.*call-rt-st.c:777\[ \t\r\n\]+777\[\t \]+return 0;.*$gdb_prompt $" {
 128         pass "finish out from loop_count (line 777)"
 129     }
 130     -re  "Run till exit from .0  loop_count \\(\\) at.*call-rt-st.c:128\[ \t\r\n\]+main \\(\\) at.*call-rt-st.c:775\[ \t\r\n\]+775\[\t \]+loop_count.*$gdb_prompt $" {
 131         pass "finish out from loop_count (line 775)"
 132     }
 133     -re ".*$gdb_prompt $" {
 134         fail "finish out from loop_count"
 135     }
 136     timeout {
 137         fail "finish out from loop_count (timeout)"
 138     }
 139 }
 140
 141 # Ask GDB to print the value of EXPR, and expect to see the regexp
 142 # RESULT in the output.  If we get back the error message "Function
 143 # return value unknown", call that an `unsupported' test; on some
 144 # architectures, it's impossible to find structs returned by value
 145 # reliably.
 146 proc print_struct_call { expr result } {
 147     global gdb_prompt
 148
 149     set command "print $expr"
 150     send_gdb "${command}\n"
 151     gdb_expect {
 152         -re "$result\[\r\n\]+$gdb_prompt $" {
 153             pass "$command"
 154         }
 155         -re "Function return value unknown.\[\r\n\]+$gdb_prompt $" {
 156             unsupported "$command"
 157         }
 158         -re "$gdb_prompt $" {
 159             fail "$command"
 160         }
 161         timeout {
 162             fail "$command (timeout)"
 163         }
 164     }
 165 }
 166
 167
 168 if ![gdb_skip_stdio_test "print print_struct_rep(*struct1)"] {
 169     print_struct_call "print_struct_rep(*struct1)" \
 170             ".*Contents of struct1:\[ \t\n\r\]+22\[ \t\]+0\[ \t\n\r\]+.\[0-9\]+ = \\{value = 5, head = 0\\}"
 171 }
 172
 173 if ![gdb_skip_stdio_test "print print_one_large_struct(...)"] {
 174     print_struct_call "print_one_large_struct(*list1)" \
 175             ".*\[ \t\]+4\[ \t\]+1\[ \r\n\]+.\[0-9\]+ = \\{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\\}"
 176 }
 177
 178 if {![gdb_skip_float_test "print print_one_double(*d1)"] && \
 179         ![gdb_skip_stdio_test "print print_one_double(*d1)"] } {
 180     print_struct_call "print_one_double(*d1)" \
 181             ".*Contents of one_double_t:\[ \r\n\]+1\\.111110\[ \r\n\]+.\[0-9\]+ = \\{double1 = 1\\.111\[0-9\]*\\}"
 182 }
 183
 184 if {![gdb_skip_float_test "print print_two_floats(*f3)"] && \
 185         ![gdb_skip_stdio_test "print print_two_floats(*f3)"] } {
 186     print_struct_call "print_two_floats(*f3)" \
 187             ".*Contents of two_floats_t:\[ \r\n\]+-2\\.345000\[ \t]+1\\.000000\[ \r\n\]+.\[0-9\]+ = \\{float1 = -2\\.34500003, float2 = 1\\}"
 188 }
 189
 190 if ![gdb_skip_stdio_test "print print_bit_flags_char(*cflags)"] {
 191     print_struct_call "print_bit_flags_char(*cflags)" \
 192             ".*alpha\[ \r\n\]+gamma\[ \r\n\]+epsilon\[ \r\n\]+.\[0-9\]+ = \\{alpha = 1 '\\\\001', beta = 0 '\\\\0', gamma = 1 '\\\\001', delta = 0 '\\\\0', epsilon = 1 '\\\\001', omega = 0 '\\\\0'\\}"
 193 }
 194
 195 if ![gdb_skip_stdio_test "print print_bit_flags_short(*sflags)"] {
 196     print_struct_call "print_bit_flags_short(*sflags)" \
 197             ".*alpha\[ \r\n\]+gamma\[ \r\n\]+epsilon\[ \r\n\]+.\[0-9\]+ = \\{alpha = 1, beta = 0, gamma = 1, delta = 0, epsilon = 1, omega = 0\\}"
 198 }
 199
 200 if ![gdb_skip_stdio_test "print print_bit_flags(*flags)"] {
 201     print_struct_call "print_bit_flags(*flags)" \
 202             ".*alpha\[ \r\n\]+gamma\[ \r\n\]+epsilon\[ \r\n\]+.\[0-9\]+ = \\{alpha = 1, beta = 0, gamma = 1, delta = 0, epsilon = 1, omega = 0\\}"
 203 }
 204
 205 if ![gdb_skip_stdio_test "print print_bit_flags_combo(*flags_combo)"] {
 206     print_struct_call "print_bit_flags_combo(*flags_combo)" \
 207             ".*alpha\[ \r\n\]+gamma\[ \r\n\]+epsilon\[ \r\n\]+ch1: y\[ \t\]+ch2: n\[ \r\n\]+.\[0-9\]+ = \\{alpha = 1, beta = 0, ch1 = 121 'y', gamma = 1, delta = 0, ch2 = 110 'n', epsilon = 1, omega = 0\\}"
 208 }
 209
 210 if ![gdb_skip_stdio_test "print print_three_chars(*three_chars)"] {
 211     print_struct_call "print_three_chars(*three_char)" \
 212             ".*Contents of three_char_t:\[ \r\n\]+x\[ \t\]+y\[ \t\]+z\[ \r\n\]+.\[0-9\]+ = \\{ch1 = 120 'x', ch2 = 121 'y', ch3 = 122 'z'\\}"
 213 }
 214
 215 if ![gdb_skip_stdio_test "print print_five_chars(*five_chars)"] {
 216     print_struct_call "print_five_chars(*five_char)" \
 217             ".*Contents of five_char_t:\[ \r\n\]+h\[ \t\]+e\[ \t\]+l\[ \t\]+l\[ \t\]+o\[ \r\n\]+.\[0-9\]+ = \\{ch1 = 104 'h', ch2 = 101 'e', ch3 = 108 'l', ch4 = 108 'l', ch5 = 111 'o'\\}"
 218 }
 219
 220 if ![gdb_skip_stdio_test "print print_int_char_combo(*int_char_combo)"] {
 221     print_struct_call "print_int_char_combo(*int_char_combo)" \
 222             ".*Contents of int_char_combo_t:\[ \r\n\]+13\[ \t\]+!\[ \r\n\]+.\[0-9\]+ = \\{int1 = 13, ch1 = 33 '!'\\}"
 223 }
 224
 225 return