gdb/testsuite/gdb.base/structs.exp

   1 # Copyright 1996, 1997, 1999 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 Jeff Law. (law@cygnus.com)
  21
  22 if $tracelevel then {
  23         strace $tracelevel
  24 }
  25
  26 set prms_id 0
  27 set bug_id 0
  28
  29 set prototypes 1
  30 set testfile "structs"
  31 set srcfile ${testfile}.c
  32 set binfile ${objdir}/${subdir}/${testfile}
  33
  34 # build the first test case
  35 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  36     # built the second test case since we can't use prototypes
  37     warning "Prototypes not supported, rebuilding with -DNO_PROTOTYPES"
  38 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DNO_PROTOTYPES}] != "" } {
  39      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  40     }
  41     set prototypes 0
  42 }
  43
  44 # Create and source the file that provides information about the compiler
  45 # used to compile the test case.
  46 if [get_compiler_info ${binfile}] {
  47     return -1;
  48 }
  49
  50
  51 # Some targets can't call functions, so don't even bother with this
  52 # test.
  53 if [target_info exists gdb,cannot_call_functions] {
  54     setup_xfail "*-*-*" 2416
  55     fail "This target can not call functions"
  56     continue
  57 }
  58
  59
  60 # Call FUNC with no arguments, and expect to see the regexp RESULT in
  61 # the output.  If we get back the error message "Function return value
  62 # unknown", call that an unsupported test; on some architectures, it's
  63 # impossible to find structs returned by value reliably.
  64 proc call_struct_func { func result } {
  65     global gdb_prompt
  66
  67     set command "p ${func}()"
  68     send_gdb "${command}\n"
  69     gdb_expect {
  70         -re "$result\[\r\n\]+$gdb_prompt $" {
  71             pass "$command"
  72         }
  73         -re "Function return value unknown.\[\r\n\]+$gdb_prompt $" {
  74             unsupported "$command"
  75         }
  76         -re "$gdb_prompt $" {
  77             fail "$command"
  78         }
  79         timeout {
  80             fail "$command (timeout)"
  81         }
  82     }
  83 }
  84
  85 # FIXME:  Before calling this proc, we should probably verify that
  86 # we can call inferior functions and get a valid integral value
  87 # returned.
  88 # Note that it is OK to check for 0 or 1 as the returned values, because C
  89 # specifies that the numeric value of a relational or logical expression
  90 # (computed in the inferior) is 1 for true and 0 for false.
  91
  92 proc do_function_calls {} {
  93     global prototypes
  94     global gcc_compiled
  95     global gdb_prompt
  96
  97     # First, call the "fun" functions and examine the value they return.
  98     call_struct_func "fun1" " = {a = 49 '1'}"
  99     call_struct_func "fun2" " = {a = 97 'a', b = 98 'b'}"
 100     call_struct_func "fun3" " = {a = 65 'A', b = 66 'B', c = 67 'C'}"
 101     call_struct_func "fun4" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4'}"
 102     call_struct_func "fun5" " = {a = 97 'a', b = 98 'b', c = 99 'c', d = 100 'd', e = 101 'e'}"
 103     call_struct_func "fun6" " = {a = 65 'A', b = 66 'B', c = 67 'C', d = 68 'D', e = 69 'E', f = 70 'F'}"
 104     call_struct_func "fun7" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4', e = 53 '5', f = 54 '6', g = 55 '7'}"
 105     call_struct_func "fun8" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4', e = 53 '5', f = 54 '6', g = 55 '7', h = 56 '8'}"
 106     call_struct_func "fun9" " = {a = 97 'a', b = 98 'b', c = 99 'c', d = 100 'd', e = 101 'e', f = 102 'f', g = 103 'g', h = 104 'h', i = 105 'i'}"
 107     call_struct_func "fun10" " = {a = 65 'A', b = 66 'B', c = 67 'C', d = 68 'D', e = 69 'E', f = 70 'F', g = 71 'G', h = 72 'H', i = 73 'I', j = 74 'J'}"
 108     call_struct_func "fun11" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4', e = 53 '5', f = 54 '6', g = 55 '7', h = 56 '8', i = 57 '9', j = 65 'A', k = 66 'B'}"
 109     call_struct_func "fun12" " = {a = 65 'A', b = 66 'B', c = 67 'C', d = 68 'D', e = 69 'E', f = 70 'F', g = 71 'G', h = 72 'H', i = 73 'I', j = 74 'J', k = 75 'K', l = 76 'L'}"
 110     call_struct_func "fun16" " = {a = 97 'a', b = 98 'b', c = 99 'c', d = 100 'd', e = 101 'e', f = 102 'f', g = 103 'g', h = 104 'h', i = 105 'i', j = 106 'j', k = 107 'k', l = 108 'l', m = 109 'm', n = 110 'n', o = 111 'o', p = 112 'p'}"
 111
 112     # Now call the Fun functions to set the L* variables.  This
 113     # tests that gdb properly passes structures to functions.
 114     gdb_test "p Fun1(foo1)" " = (void|0)"
 115     gdb_test "p Fun2(foo2)" " = (void|0)"
 116     gdb_test "p Fun3(foo3)" " = (void|0)"
 117     gdb_test "p Fun4(foo4)" " = (void|0)"
 118     gdb_test "p Fun5(foo5)" " = (void|0)"
 119     gdb_test "p Fun6(foo6)" " = (void|0)"
 120     gdb_test "p Fun7(foo7)" " = (void|0)"
 121     gdb_test "p Fun8(foo8)" " = (void|0)"
 122     gdb_test "p Fun9(foo9)" " = (void|0)"
 123     gdb_test "p Fun10(foo10)" " = (void|0)"
 124     gdb_test "p Fun11(foo11)" " = (void|0)"
 125     gdb_test "p Fun12(foo12)" " = (void|0)"
 126     gdb_test "p Fun16(foo16)" " = (void|0)"
 127
 128     # Now print the L* variables and examine their values.
 129     gdb_test "p L1" " = {a = 49 '1'}"
 130     gdb_test "p L2" " = {a = 97 'a', b = 98 'b'}"
 131     gdb_test "p L3" " = {a = 65 'A', b = 66 'B', c = 67 'C'}"
 132     gdb_test "p L4" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4'}"
 133     gdb_test "p L5" " = {a = 97 'a', b = 98 'b', c = 99 'c', d = 100 'd', e = 101 'e'}"
 134     gdb_test "p L6" " = {a = 65 'A', b = 66 'B', c = 67 'C', d = 68 'D', e = 69 'E', f = 70 'F'}"
 135     gdb_test "p L7" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4', e = 53 '5', f = 54 '6', g = 55 '7'}"
 136     gdb_test "p L8" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4', e = 53 '5', f = 54 '6', g = 55 '7', h = 56 '8'}"
 137     gdb_test "p L9" " = {a = 97 'a', b = 98 'b', c = 99 'c', d = 100 'd', e = 101 'e', f = 102 'f', g = 103 'g', h = 104 'h', i = 105 'i'}"
 138     gdb_test "p L10" " = {a = 65 'A', b = 66 'B', c = 67 'C', d = 68 'D', e = 69 'E', f = 70 'F', g = 71 'G', h = 72 'H', i = 73 'I', j = 74 'J'}"
 139     gdb_test "p L11" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4', e = 53 '5', f = 54 '6', g = 55 '7', h = 56 '8', i = 57 '9', j = 65 'A', k = 66 'B'}"
 140     gdb_test "p L12" " = {a = 65 'A', b = 66 'B', c = 67 'C', d = 68 'D', e = 69 'E', f = 70 'F', g = 71 'G', h = 72 'H', i = 73 'I', j = 74 'J', k = 75 'K', l = 76 'L'}"
 141     gdb_test "p L16" " = {a = 97 'a', b = 98 'b', c = 99 'c', d = 100 'd', e = 101 'e', f = 102 'f', g = 103 'g', h = 104 'h', i = 105 'i', j = 106 'j', k = 107 'k', l = 108 'l', m = 109 'm', n = 110 'n', o = 111 'o', p = 112 'p'}"
 142 }
 143 # Start with a fresh gdb.
 144
 145 gdb_start
 146 gdb_reinitialize_dir $srcdir/$subdir
 147 gdb_load ${binfile}
 148
 149 gdb_test "set print sevenbit-strings" ""
 150 gdb_test "set print address off" ""
 151 gdb_test "set width 0" ""
 152
 153 if [target_info exists gdb,cannot_call_functions] {
 154     setup_xfail "*-*-*" 2416
 155     fail "This target can not call functions"
 156     return 0
 157 }
 158
 159 if { ![runto_main] } then {
 160     gdb_suppress_tests;
 161 }
 162
 163 do_function_calls;
 164
 165 gdb_stop_suppressing_tests;
 166
 167 return 0