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

   1 # Copyright 1998, 1999, 2000, 2001 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 2 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, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  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 additional_flags=-w}] != "" } {
  45      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  46     }
  47
  48
  49
  50 # Create and source the file that provides information about the compiler
  51 # used to compile the test case.
  52
  53 if [get_compiler_info ${binfile}] {
  54     return -1;
  55 }
  56
  57 # Some targets can't do function calls, so don't even bother with this
  58 # test.
  59 if [target_info exists gdb,cannot_call_functions] {
  60     setup_xfail "*-*-*" 2416
  61     fail "This target can not call functions"
  62     continue
  63 }
  64
  65 # Set the current language to C.  This counts as a test.  If it
  66 # fails, then we skip the other tests.
  67
  68 proc set_lang_c {} {
  69     global gdb_prompt
  70
  71     send_gdb "set language c\n"
  72     gdb_expect {
  73         -re ".*$gdb_prompt $" {}
  74         timeout { fail "set language c (timeout)" ; return 0; }
  75     }
  76
  77     send_gdb "show language\n"
  78     gdb_expect {
  79         -re ".* source language is \"c\".*$gdb_prompt $" {
  80             pass "set language to \"c\""
  81             return 1
  82         }
  83         -re ".*$gdb_prompt $" {
  84             fail "setting language to \"c\""
  85             return 0
  86         }
  87         timeout {
  88             fail "can't show language (timeout)"
  89             return 0
  90         }
  91     }
  92 }
  93
  94
  95
  96 source ${binfile}.ci
  97
  98
  99 # Start with a fresh gdb.
 100
 101 gdb_exit
 102 gdb_start
 103 gdb_reinitialize_dir $srcdir/$subdir
 104 gdb_load ${binfile}
 105 send_gdb "set print sevenbit-strings\n" ; gdb_expect -re "$gdb_prompt $"
 106 send_gdb "set print address off\n" ; gdb_expect -re "$gdb_prompt $"
 107 send_gdb "set width 0\n" ; gdb_expect -re "$gdb_prompt $"
 108
 109
 110 if ![runto_main] then {
 111     perror "couldn't run to breakpoint"
 112     continue
 113 }
 114
 115
 116 gdb_test "break loop_count" \
 117     "Breakpoint.* file .*call-rt-st.c, line 106\\." \
 118     "breakpoint loop_count"
 119
 120
 121 send_gdb "continue\n"
 122 gdb_expect {
 123  -re  "Continuing\\..*Breakpoint.*loop_count \\(\\) at.*call-rt-st.c:106\[ \t\r\n\]+106\[\t \]+for \\(index=0; index.4; index..\\);\[\r\n \]+$gdb_prompt $" {
 124                  pass "continue to loop_count"}
 125       -re ".*$gdb_prompt $" { fail "continue to loop_count"}
 126       timeout           { fail "(timeout) continue to loop_count"}
 127 }
 128
 129 send_gdb "finish\n"
 130 gdb_expect {
 131  -re  "Run till exit from .0  loop_count \\(\\) at.*call-rt-st.c:106\[ \t\r\n\]+main \\(\\) at.*call-rt-st.c:617\[ \t\r\n\]+617\[\t \]+return 0;.*$gdb_prompt $" {
 132                  pass "finish out from  loop_count (line 617)"}
 133  -re  "Run till exit from .0  loop_count \\(\\) at.*call-rt-st.c:106\[ \t\r\n\]+main \\(\\) at.*call-rt-st.c:615\[ \t\r\n\]+615\[\t \]+loop_count.*$gdb_prompt $" {
 134                  pass "finish out from  loop_count (line 615)"}
 135       -re ".*$gdb_prompt $" { fail "finish out from loop_count"}
 136       timeout           { fail "(timeout)finish out from loop_count"}
 137 }
 138
 139 # Ask GDB to print the value of EXPR, and expect to see the regexp
 140 # RESULT in the output.  If we get back the error message "Function
 141 # return value unknown", call that an `unsupported' test; on some
 142 # architectures, it's impossible to find structs returned by value
 143 # reliably.
 144 proc print_struct_call { expr result } {
 145     global gdb_prompt
 146
 147     set command "print $expr"
 148     send_gdb "${command}\n"
 149     gdb_expect {
 150         -re "$result\[\r\n\]+$gdb_prompt $" {
 151             pass "$command"
 152         }
 153         -re "Function return value unknown.\[\r\n\]+$gdb_prompt $" {
 154             unsupported "$command"
 155         }
 156         -re "$gdb_prompt $" {
 157             fail "$command"
 158         }
 159         timeout {
 160             fail "$command (timeout)"
 161         }
 162     }
 163 }
 164
 165
 166 if ![gdb_skip_stdio_test "print print_struct_rep(*struct1)"] {
 167     print_struct_call "print_struct_rep(*struct1)" \
 168             ".*Contents of struct1:\[ \t\n\r\]+22\[ \t\]+0\[ \t\n\r\]+.\[0-9\]+ = \\{value = 5, head = 0\\}"
 169 }
 170
 171 if ![gdb_skip_stdio_test "print print_one_large_struct(...)"] {
 172     print_struct_call "print_one_large_struct(*list1)" \
 173             ".*\[ \t\]+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\\}"
 174 }
 175
 176 if {![gdb_skip_float_test "print print_one_double(*d1)"] && \
 177         ![gdb_skip_stdio_test "print print_one_double(*d1)"] } {
 178     print_struct_call "print_one_double(*d1)" \
 179             ".*Contents of one_double_t:\[ \r\n\]+1\\.111110\[ \r\n\]+.\[0-9\]+ = \\{double1 = 1\\.111\[0-9\]*\}"
 180 }
 181
 182 if {![gdb_skip_float_test "print print_two_floats(*f3)"] && \
 183         ![gdb_skip_stdio_test "print print_two_floats(*f3)"] } {
 184     print_struct_call "print_two_floats(*f3)" \
 185             ".*Contents of two_floats_t:\[ \r\n\]+-2\\.345000\[ \t]+1\\.000000\[ \r\n\]+.\[0-9\]+ = \\{float1 = -2\\.34500003, float2 = 1\\}"
 186 }
 187
 188 if ![gdb_skip_stdio_test "print print_bit_flags(*flags)"] {
 189     print_struct_call "print_bit_flags(*flags)" \
 190             ".*alpha\[ \r\n\]+gamma\[ \r\n\]+epsilon\[ \r\n\]+.\[0-9\]+ = \\{alpha = 1, beta = 0, gamma = 1, delta = 0, epsilon = 1, omega = 0\\}"
 191 }
 192
 193 if ![gdb_skip_stdio_test "print print_bit_flags_combo(*flags_combo)"] {
 194     print_struct_call "print_bit_flags_combo(*flags_combo)" \
 195             ".*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\\}"
 196 }
 197
 198 if ![gdb_skip_stdio_test "print print_three_chars(*three_chars)"] {
 199     print_struct_call "print_three_chars(*three_char)" \
 200             ".*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'\\}"
 201 }
 202
 203 if ![gdb_skip_stdio_test "print print_five_chars(*five_chars)"] {
 204     print_struct_call "print_five_chars(*five_char)" \
 205             ".*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'\\}"
 206 }
 207
 208 if ![gdb_skip_stdio_test "print print_int_char_combo(*int_char_combo)"] {
 209     print_struct_call "print_int_char_combo(*int_char_combo)" \
 210             ".*Contents of int_char_combo_t:\[ \r\n\]+13\[ \t\]+!\[ \r\n\]+.\[0-9\]+ = \\{int1 = 13, ch1 = 33 '!'\\}"
 211 }
 212
 213 return