gdb/testsuite/gdb.base/structs.exp

   1 # Copyright (C) 1996 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         perror "Couldn't compile ${testfile}.c"
  40         return -1
  41     }
  42     set prototypes 0
  43 }
  44
  45 # Create and source the file that provides information about the compiler
  46 # used to compile the test case.
  47 if [get_compiler_info ${binfile}] {
  48     return -1;
  49 }
  50
  51 # The a29k can't call functions, so don't even bother with this test.
  52 if [istarget "a29k-*-udi"] then {
  53     setup_xfail "a29k-*-udi" 2416
  54     fail "a29k-*-udi can not call functions"
  55     continue
  56 }
  57
  58 # FIXME:  Before calling this proc, we should probably verify that
  59 # we can call inferior functions and get a valid integral value
  60 # returned.
  61 # Note that it is OK to check for 0 or 1 as the returned values, because C
  62 # specifies that the numeric value of a relational or logical expression
  63 # (computed in the inferior) is 1 for true and 0 for false.
  64
  65 proc do_function_calls {} {
  66     global prototypes
  67     global gcc_compiled
  68     global gdb_prompt
  69
  70     # First, call the "fun" functions and examine the value they return.
  71     gdb_test "p fun1()" " = {a = 49 '1'}"
  72     gdb_test "p fun2()" " = {a = 97 'a', b = 98 'b'}"
  73     gdb_test "p fun3()" " = {a = 65 'A', b = 66 'B', c = 67 'C'}"
  74     gdb_test "p fun4()" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4'}"
  75     gdb_test "p fun5()" " = {a = 97 'a', b = 98 'b', c = 99 'c', d = 100 'd', e = 101 'e'}"
  76     gdb_test "p fun6()" " = {a = 65 'A', b = 66 'B', c = 67 'C', d = 68 'D', e = 69 'E', f = 70 'F'}"
  77     gdb_test "p fun7()" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4', e = 53 '5', f = 54 '6', g = 55 '7'}"
  78     gdb_test "p 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'}"
  79     gdb_test "p 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'}"
  80     gdb_test "p 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'}"
  81     gdb_test "p 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'}"
  82     gdb_test "p 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'}"
  83     gdb_test "p 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'}"
  84
  85     # Now call the Fun functions to set the L* variables.  This
  86     # tests that gdb properly passes structures to functions.
  87     gdb_test "p Fun1(foo1)" " = (void|0)"
  88     gdb_test "p Fun2(foo2)" " = (void|0)"
  89     gdb_test "p Fun3(foo3)" " = (void|0)"
  90     gdb_test "p Fun4(foo4)" " = (void|0)"
  91     gdb_test "p Fun5(foo5)" " = (void|0)"
  92     gdb_test "p Fun6(foo6)" " = (void|0)"
  93     gdb_test "p Fun7(foo7)" " = (void|0)"
  94     gdb_test "p Fun8(foo8)" " = (void|0)"
  95     gdb_test "p Fun9(foo9)" " = (void|0)"
  96     gdb_test "p Fun10(foo10)" " = (void|0)"
  97     gdb_test "p Fun11(foo11)" " = (void|0)"
  98     gdb_test "p Fun12(foo12)" " = (void|0)"
  99     gdb_test "p Fun16(foo16)" " = (void|0)"
 100
 101     # Now print the L* variables and examine their values.
 102     gdb_test "p L1" " = {a = 49 '1'}"
 103     gdb_test "p L2" " = {a = 97 'a', b = 98 'b'}"
 104     gdb_test "p L3" " = {a = 65 'A', b = 66 'B', c = 67 'C'}"
 105     gdb_test "p L4" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4'}"
 106     if {$gcc_compiled} then {
 107         setup_xfail "hppa*-*-*"
 108     }
 109     gdb_test "p L5" " = {a = 97 'a', b = 98 'b', c = 99 'c', d = 100 'd', e = 101 'e'}"
 110     if {$gcc_compiled} then {
 111         setup_xfail "hppa*-*-*"
 112     }
 113     gdb_test "p L6" " = {a = 65 'A', b = 66 'B', c = 67 'C', d = 68 'D', e = 69 'E', f = 70 'F'}"
 114     if {$gcc_compiled} then {
 115         setup_xfail "hppa*-*-*"
 116     }
 117     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'}"
 118     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'}"
 119     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'}"
 120     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'}"
 121     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'}"
 122     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'}"
 123     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'}"
 124 }
 125 # Start with a fresh gdb.
 126
 127 gdb_exit
 128 gdb_start
 129 gdb_reinitialize_dir $srcdir/$subdir
 130 gdb_load ${binfile}
 131
 132 send_gdb "set print sevenbit-strings\n" ; gdb_expect -re "$gdb_prompt $"
 133 send_gdb "set print address off\n" ; gdb_expect -re "$gdb_prompt $"
 134 send_gdb "set width 0\n" ; gdb_expect -re "$gdb_prompt $"
 135
 136 if [target_info exists gdb,cannot_call_functions] {
 137     setup_xfail "*-*-*" 2416
 138     fail "This target can not call functions"
 139     return 0
 140 }
 141
 142 if [runto_main] then {
 143     do_function_calls
 144 } else {
 145     fail "C function calling tests suppressed"
 146 }
 147 return 0