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

   1 # Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007
   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 2 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, write to the Free Software
  16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17
  18 # Please email any bugs, comments, and/or additions to this file to:
  19 # bug-gdb@prep.ai.mit.edu
  20
  21 # This file was written by Elena Zannoni (ezannoni@cygnus.com)
  22
  23 # this file tests command line calls with functions returning structures
  24 # corresponding source file: call_return_struct.c
  25
  26
  27
  28 if $tracelevel then {
  29         strace $tracelevel
  30 }
  31
  32 set prms_id 0
  33 set bug_id 0
  34
  35 set testfile "call-rt-st"
  36 set srcfile ${testfile}.c
  37 set binfile ${objdir}/${subdir}/${testfile}
  38
  39
  40 # Test depends on printf, which the sparclet stub doesn't support.
  41 if { [istarget "sparclet-*-*"] } {
  42     return 0;
  43 }
  44
  45 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
  46     untested "couldn't compile ${srcdir}/${subdir}/${srcfile}"
  47     return -1
  48 }
  49
  50
  51
  52 # Create and source the file that provides information about the compiler
  53 # used to compile the test case.
  54
  55 if [get_compiler_info ${binfile}] {
  56     return -1;
  57 }
  58
  59 # Some targets can't do function calls, so don't even bother with this
  60 # test.
  61 if [target_info exists gdb,cannot_call_functions] {
  62     setup_xfail "*-*-*" 2416
  63     fail "This target can not call functions"
  64     continue
  65 }
  66
  67 # Set the current language to C.  This counts as a test.  If it
  68 # fails, then we skip the other tests.
  69
  70 proc set_lang_c {} {
  71     global gdb_prompt
  72
  73     send_gdb "set language c\n"
  74     gdb_expect {
  75         -re ".*$gdb_prompt $" {}
  76         timeout { fail "set language c (timeout)" ; return 0; }
  77     }
  78
  79     send_gdb "show language\n"
  80     gdb_expect {
  81         -re ".* source language is \"c\".*$gdb_prompt $" {
  82             pass "set language to \"c\""
  83             return 1
  84         }
  85         -re ".*$gdb_prompt $" {
  86             fail "setting language to \"c\""
  87             return 0
  88         }
  89         timeout {
  90             fail "can't show language (timeout)"
  91             return 0
  92         }
  93     }
  94 }
  95
  96 # Start with a fresh gdb.
  97
  98 gdb_exit
  99 gdb_start
 100 gdb_reinitialize_dir $srcdir/$subdir
 101 gdb_load ${binfile}
 102 send_gdb "set print sevenbit-strings\n" ; gdb_expect -re "$gdb_prompt $"
 103 send_gdb "set print address off\n" ; gdb_expect -re "$gdb_prompt $"
 104 send_gdb "set width 0\n" ; gdb_expect -re "$gdb_prompt $"
 105
 106
 107 if ![runto_main] then {
 108     perror "couldn't run to breakpoint"
 109     continue
 110 }
 111
 112
 113 gdb_test "break loop_count" \
 114     "Breakpoint.* file .*call-rt-st.c, line 128\\." \
 115     "breakpoint loop_count"
 116
 117
 118 send_gdb "continue\n"
 119 gdb_expect {
 120  -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 $" {
 121                  pass "continue to loop_count"}
 122       -re ".*$gdb_prompt $" { fail "continue to loop_count"}
 123       timeout           { fail "(timeout) continue to loop_count"}
 124 }
 125
 126 send_gdb "finish\n"
 127 gdb_expect {
 128     -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 $" {
 129         pass "finish out from loop_count (line 777)"
 130     }
 131     -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 $" {
 132         pass "finish out from loop_count (line 775)"
 133     }
 134     -re ".*$gdb_prompt $" {
 135         fail "finish out from loop_count"
 136     }
 137     timeout {
 138         fail "finish out from loop_count (timeout)"
 139     }
 140 }
 141
 142 # Ask GDB to print the value of EXPR, and expect to see the regexp
 143 # RESULT in the output.  If we get back the error message "Function
 144 # return value unknown", call that an `unsupported' test; on some
 145 # architectures, it's impossible to find structs returned by value
 146 # reliably.
 147 proc print_struct_call { expr result } {
 148     global gdb_prompt
 149
 150     set command "print $expr"
 151     send_gdb "${command}\n"
 152     gdb_expect {
 153         -re "$result\[\r\n\]+$gdb_prompt $" {
 154             pass "$command"
 155         }
 156         -re "Function return value unknown.\[\r\n\]+$gdb_prompt $" {
 157             unsupported "$command"
 158         }
 159         -re "$gdb_prompt $" {
 160             fail "$command"
 161         }
 162         timeout {
 163             fail "$command (timeout)"
 164         }
 165     }
 166 }
 167
 168
 169 if ![gdb_skip_stdio_test "print print_struct_rep(*struct1)"] {
 170     print_struct_call "print_struct_rep(*struct1)" \
 171             ".*Contents of struct1:\[ \t\n\r\]+22\[ \t\]+0\[ \t\n\r\]+.\[0-9\]+ = \\{value = 5, head = 0\\}"
 172 }
 173
 174 if ![gdb_skip_stdio_test "print print_one_large_struct(...)"] {
 175     print_struct_call "print_one_large_struct(*list1)" \
 176             ".*\[ \t\]+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\\}"
 177 }
 178
 179 if {![gdb_skip_float_test "print print_one_double(*d1)"] && \
 180         ![gdb_skip_stdio_test "print print_one_double(*d1)"] } {
 181     print_struct_call "print_one_double(*d1)" \
 182             ".*Contents of one_double_t:\[ \r\n\]+1\\.111110\[ \r\n\]+.\[0-9\]+ = \\{double1 = 1\\.111\[0-9\]*\\}"
 183 }
 184
 185 if {![gdb_skip_float_test "print print_two_floats(*f3)"] && \
 186         ![gdb_skip_stdio_test "print print_two_floats(*f3)"] } {
 187     print_struct_call "print_two_floats(*f3)" \
 188             ".*Contents of two_floats_t:\[ \r\n\]+-2\\.345000\[ \t]+1\\.000000\[ \r\n\]+.\[0-9\]+ = \\{float1 = -2\\.34500003, float2 = 1\\}"
 189 }
 190
 191 if ![gdb_skip_stdio_test "print print_bit_flags_char(*cflags)"] {
 192     print_struct_call "print_bit_flags_char(*cflags)" \
 193             ".*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'\\}"
 194 }
 195
 196 if ![gdb_skip_stdio_test "print print_bit_flags_short(*sflags)"] {
 197     print_struct_call "print_bit_flags_short(*sflags)" \
 198             ".*alpha\[ \r\n\]+gamma\[ \r\n\]+epsilon\[ \r\n\]+.\[0-9\]+ = \\{alpha = 1, beta = 0, gamma = 1, delta = 0, epsilon = 1, omega = 0\\}"
 199 }
 200
 201 if ![gdb_skip_stdio_test "print print_bit_flags(*flags)"] {
 202     print_struct_call "print_bit_flags(*flags)" \
 203             ".*alpha\[ \r\n\]+gamma\[ \r\n\]+epsilon\[ \r\n\]+.\[0-9\]+ = \\{alpha = 1, beta = 0, gamma = 1, delta = 0, epsilon = 1, omega = 0\\}"
 204 }
 205
 206 if ![gdb_skip_stdio_test "print print_bit_flags_combo(*flags_combo)"] {
 207     print_struct_call "print_bit_flags_combo(*flags_combo)" \
 208             ".*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\\}"
 209 }
 210
 211 if ![gdb_skip_stdio_test "print print_three_chars(*three_chars)"] {
 212     print_struct_call "print_three_chars(*three_char)" \
 213             ".*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'\\}"
 214 }
 215
 216 if ![gdb_skip_stdio_test "print print_five_chars(*five_chars)"] {
 217     print_struct_call "print_five_chars(*five_char)" \
 218             ".*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'\\}"
 219 }
 220
 221 if ![gdb_skip_stdio_test "print print_int_char_combo(*int_char_combo)"] {
 222     print_struct_call "print_int_char_combo(*int_char_combo)" \
 223             ".*Contents of int_char_combo_t:\[ \r\n\]+13\[ \t\]+!\[ \r\n\]+.\[0-9\]+ = \\{int1 = 13, ch1 = 33 '!'\\}"
 224 }
 225
 226 return