gdb/testsuite/gdb.base/callfuncs.exp

   1 # Copyright (C) 1992 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 Fred Fish. (fnf@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 binfile "callfuncs"
  30 set srcfile $binfile.c
  31
  32 if ![file exists $objdir/$subdir/$binfile] then {
  33     perror "$objdir/$subdir/$binfile does not exist"
  34     return 0
  35 }
  36
  37 # The a29k can't call functions, so don't even bother with this test.
  38 if [istarget "a29k-*-udi"] then {
  39     setup_xfail "a29k-*-udi" 2416
  40     fail "a29k-*-udi can not call functions"
  41     continue
  42 }
  43
  44 # Set the current language to C.  This counts as a test.  If it
  45 # fails, then we skip the other tests.
  46
  47 proc set_lang_c {} {
  48     global prompt
  49
  50     send "set language c\n"
  51     expect {
  52         -re ".*$prompt $" {}
  53         timeout { fail "set language c (timeout)" ; return 0 }
  54     }
  55
  56     send "show language\n"
  57     expect {
  58         -re ".* source language is \"c\".*$prompt $" {
  59             pass "set language to \"c\""
  60             return 1
  61         }
  62         -re ".*$prompt $" {
  63             fail "setting language to \"c\""
  64             return 0
  65         }
  66         timeout {
  67             fail "can't show language (timeout)"
  68             return 0
  69         }
  70     }
  71 }
  72
  73 # FIXME:  Before calling this proc, we should probably verify that
  74 # we can call inferior functions and get a valid integral value
  75 # returned.
  76 # Note that it is OK to check for 0 or 1 as the returned values, because C
  77 # specifies that the numeric value of a relational or logical expression
  78 # (computed in the inferior) is 1 for true and 0 for false.
  79
  80 proc do_function_calls {} {
  81     global prototypes
  82
  83     gdb_test "p t_char_values(0,0)" " = 0"
  84     gdb_test "p t_char_values('a','b')" " = 1"
  85     gdb_test "p t_char_values(char_val1,char_val2)" " = 1"
  86     gdb_test "p t_char_values('a',char_val2)" " = 1"
  87     gdb_test "p t_char_values(char_val1,'b')" " = 1"
  88
  89     gdb_test "p t_short_values(0,0)" " = 0"
  90     gdb_test "p t_short_values(10,-23)" " = 1"
  91     gdb_test "p t_short_values(short_val1,short_val2)" " = 1"
  92     gdb_test "p t_short_values(10,short_val2)" " = 1"
  93     gdb_test "p t_short_values(short_val1,-23)" " = 1"
  94
  95     gdb_test "p t_int_values(0,0)" " = 0"
  96     gdb_test "p t_int_values(87,-26)" " = 1"
  97     gdb_test "p t_int_values(int_val1,int_val2)" " = 1"
  98     gdb_test "p t_int_values(87,int_val2)" " = 1"
  99     gdb_test "p t_int_values(int_val1,-26)" " = 1"
 100
 101     gdb_test "p t_long_values(0,0)" " = 0"
 102     gdb_test "p t_long_values(789,-321)" " = 1"
 103     gdb_test "p t_long_values(long_val1,long_val2)" " = 1"
 104     gdb_test "p t_long_values(789,long_val2)" " = 1"
 105     gdb_test "p t_long_values(long_val1,-321)" " = 1"
 106
 107     gdb_test "p t_float_values(0.0,0.0)" " = 0"
 108     gdb_test "p t_float_values(3.14159,-2.3765)" " = 1"
 109     gdb_test "p t_float_values(float_val1,float_val2)" " = 1"
 110     gdb_test "p t_float_values(3.14159,float_val2)" " = 1"
 111     gdb_test "p t_float_values(float_val1,-2.3765)" " = 1"
 112
 113     # Test passing of arguments which might not be widened.
 114     gdb_test "p t_float_values2(0.0,0.0)" " = 0"
 115     if $prototypes then {setup_xfail "*-*-*" 5318}
 116     gdb_test "p t_float_values2(3.14159,float_val2)" " = 1"
 117     gdb_test "p t_small_values(1,2,3,4,5,6,7,8,9,10)" " = 55"
 118
 119     gdb_test "p t_double_values(0.0,0.0)" " = 0"
 120     gdb_test "p t_double_values(45.654,-67.66)" " = 1"
 121     gdb_test "p t_double_values(double_val1,double_val2)" " = 1"
 122     gdb_test "p t_double_values(45.654,double_val2)" " = 1"
 123     gdb_test "p t_double_values(double_val1,-67.66)" " = 1"
 124
 125     gdb_test "p t_string_values(string_val2,string_val1)" " = 0"
 126     gdb_test "p t_string_values(string_val1,string_val2)" " = 1"
 127     gdb_test "p t_string_values(\"string 1\",\"string 2\")" " = 1"
 128     gdb_test "p t_string_values(\"string 1\",string_val2)" " = 1"
 129     gdb_test "p t_string_values(string_val1,\"string 2\")" " = 1"
 130
 131     gdb_test "p t_char_array_values(char_array_val2,char_array_val1)" " = 0"
 132     gdb_test "p t_char_array_values(char_array_val1,char_array_val2)" " = 1"
 133     gdb_test "p t_char_array_values(\"carray 1\",\"carray 2\")" " = 1"
 134     gdb_test "p t_char_array_values(\"carray 1\",char_array_val2)" " = 1"
 135     gdb_test "p t_char_array_values(char_array_val1,\"carray 2\")" " = 1"
 136
 137     gdb_test "p doubleit(4)" " = 8"
 138     gdb_test "p add(4,5)" " = 9"
 139     gdb_test "p t_func_values(func_val2,func_val1)" " = 0"
 140     gdb_test "p t_func_values(func_val1,func_val2)" " = 1"
 141
 142     # On the rs6000, we need to pass the address of the trampoline routine,
 143     # not the address of add itself.  I don't know how to go from add to
 144     # the address of the trampoline.  Similar problems exist on the HPPA,
 145     # and in fact can present an unsolvable problem as the stubs may not
 146     # even exist in the user's program.  We've slightly recoded t_func_values
 147     # to avoid such problems in the common case.  This may or may not help
 148     # the RS6000.
 149     setup_xfail "rs6000*-*-*"
 150     gdb_test "p t_func_values(add,func_val2)" " = 1"
 151
 152     setup_xfail "rs6000*-*-*"
 153     gdb_test "p t_func_values(func_val1,doubleit)" " = 1"
 154
 155     gdb_test "p t_call_add(func_val1,3,4)" " = 7"
 156
 157     setup_xfail "rs6000*-*-*"
 158     gdb_test "p t_call_add(add,3,4)" " = 7"
 159
 160     gdb_test "p t_enum_value1(enumval1)" " = 1"
 161     gdb_test "p t_enum_value1(enum_val1)" " = 1"
 162     gdb_test "p t_enum_value1(enum_val2)" " = 0"
 163
 164     gdb_test "p t_enum_value2(enumval2)" " = 1"
 165     gdb_test "p t_enum_value2(enum_val2)" " = 1"
 166     gdb_test "p t_enum_value2(enum_val1)" " = 0"
 167
 168     gdb_test "p sum_args(1,{2})" " = 2"
 169     gdb_test "p sum_args(2,{2,3})" " = 5"
 170     gdb_test "p sum_args(3,{2,3,4})" " = 9"
 171     gdb_test "p sum_args(4,{2,3,4,5})" " = 14"
 172     gdb_test "p sum10 (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)" " = 55"
 173
 174     gdb_test "p t_structs_c(struct_val1)" "= 120 'x'" \
 175         "call inferior func with struct - returns char"
 176     gdb_test "p t_structs_s(struct_val1)" "= 87" \
 177         "call inferior func with struct -  returns short"
 178     gdb_test "p t_structs_i(struct_val1)" "= 76" \
 179         "call inferior func with struct - returns int"
 180     gdb_test "p t_structs_l(struct_val1)" "= 51" \
 181         "call inferior func with struct - returns long"
 182     setup_xfail "i*86-*-*"
 183     gdb_test "p t_structs_f(struct_val1)" "= 2.12.*" \
 184         "call inferior func with struct - returns float"
 185     setup_xfail "i*86-*-*"
 186     gdb_test "p t_structs_d(struct_val1)" "= 9.87.*" \
 187         "call inferior func with struct - returns double"
 188     gdb_test "p t_structs_a(struct_val1)" "= \"foo\"" \
 189         "call inferior func with struct - returns char *"
 190
 191 }
 192
 193 # Start with a fresh gdb.
 194
 195 gdb_exit
 196 gdb_start
 197 gdb_reinitialize_dir $srcdir/$subdir
 198 gdb_load $objdir/$subdir/$binfile
 199
 200 source gdb.base/callf-info.exp
 201
 202 send "set print sevenbit-strings\n" ; expect -re "$prompt $"
 203 send "set print address off\n" ; expect -re "$prompt $"
 204 send "set width 0\n" ; expect -re "$prompt $"
 205
 206 if [set_lang_c] then {
 207     if [runto_main] then {
 208         do_function_calls
 209     } else {
 210         fail "C function calling tests suppressed"
 211     }
 212 } else {
 213     fail "C function calling tests suppressed"
 214 }
 215 return 0