gdb/testsuite/gdb.base/callfuncs.exp

   1 # Copyright (C) 92, 96, 1997 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 # and modified by Bob Manson. (manson@cygnus.com)
  22
  23 if $tracelevel then {
  24         strace $tracelevel
  25 }
  26
  27 set prms_id 0
  28 set bug_id 0
  29
  30 set testfile "callfuncs"
  31 set srcfile ${testfile}.c
  32 set binfile ${objdir}/${subdir}/${testfile}
  33
  34 set prototypes 1
  35 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  36     set prototypes 0;
  37     # built the second test case since we can't use prototypes
  38     warning "Prototypes not supported, rebuilding with -DNO_PROTOTYPES"
  39     if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DNO_PROTOTYPES}] != "" } {
  40      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  41     }
  42 }
  43
  44 # Create and source the file that provides information about the compiler
  45 # used to compile the test case.
  46
  47 if [get_compiler_info ${binfile}] {
  48     return -1;
  49 }
  50
  51 # The a29k can't call functions, so don't even bother with this test.
  52 if [target_info exists gdb,cannot_call_functions] {
  53     setup_xfail "*-*-*" 2416
  54     fail "This target can not call functions"
  55     continue
  56 }
  57
  58 # Set the current language to C.  This counts as a test.  If it
  59 # fails, then we skip the other tests.
  60
  61 proc set_lang_c {} {
  62     global gdb_prompt
  63
  64     send_gdb "set language c\n"
  65     gdb_expect {
  66         -re ".*$gdb_prompt $" {}
  67         timeout { fail "set language c (timeout)" ; return 0; }
  68     }
  69
  70     send_gdb "show language\n"
  71     gdb_expect {
  72         -re ".* source language is \"c\".*$gdb_prompt $" {
  73             pass "set language to \"c\""
  74             return 1
  75         }
  76         -re ".*$gdb_prompt $" {
  77             fail "setting language to \"c\""
  78             return 0
  79         }
  80         timeout {
  81             fail "can't show language (timeout)"
  82             return 0
  83         }
  84     }
  85 }
  86
  87 # FIXME:  Before calling this proc, we should probably verify that
  88 # we can call inferior functions and get a valid integral value
  89 # returned.
  90 # Note that it is OK to check for 0 or 1 as the returned values, because C
  91 # specifies that the numeric value of a relational or logical expression
  92 # (computed in the inferior) is 1 for true and 0 for false.
  93
  94 proc do_function_calls {} {
  95     global prototypes
  96     global gcc_compiled
  97     # We need to up this because this can be really slow on some boards.
  98     set timeout 60;
  99
 100     gdb_test "p t_char_values(0,0)" " = 0"
 101     gdb_test "p t_char_values('a','b')" " = 1"
 102     gdb_test "p t_char_values(char_val1,char_val2)" " = 1"
 103     gdb_test "p t_char_values('a',char_val2)" " = 1"
 104     gdb_test "p t_char_values(char_val1,'b')" " = 1"
 105
 106     gdb_test "p t_short_values(0,0)" " = 0"
 107     gdb_test "p t_short_values(10,-23)" " = 1"
 108     gdb_test "p t_short_values(short_val1,short_val2)" " = 1"
 109     gdb_test "p t_short_values(10,short_val2)" " = 1"
 110     gdb_test "p t_short_values(short_val1,-23)" " = 1"
 111
 112     gdb_test "p t_int_values(0,0)" " = 0"
 113     gdb_test "p t_int_values(87,-26)" " = 1"
 114     gdb_test "p t_int_values(int_val1,int_val2)" " = 1"
 115     gdb_test "p t_int_values(87,int_val2)" " = 1"
 116     gdb_test "p t_int_values(int_val1,-26)" " = 1"
 117
 118     gdb_test "p t_long_values(0,0)" " = 0"
 119     gdb_test "p t_long_values(789,-321)" " = 1"
 120     gdb_test "p t_long_values(long_val1,long_val2)" " = 1"
 121     gdb_test "p t_long_values(789,long_val2)" " = 1"
 122     gdb_test "p t_long_values(long_val1,-321)" " = 1"
 123
 124     if ![target_info exists gdb,skip_float_tests] {
 125         gdb_test "p t_float_values(0.0,0.0)" " = 0"
 126
 127         # These next four tests fail on the mn10300.
 128         # The first value is passed in regs, the other in memory.
 129         # Gcc emits different stabs for the two parameters; the first is
 130         # claimed to be a float, the second a double.
 131         # dbxout.c in gcc claims this is the desired behavior.
 132         setup_xfail "mn10300-*-*"
 133         gdb_test "p t_float_values(3.14159,-2.3765)" " = 1"
 134         setup_xfail "mn10300-*-*"
 135         gdb_test "p t_float_values(float_val1,float_val2)" " = 1"
 136         setup_xfail "mn10300-*-*"
 137         gdb_test "p t_float_values(3.14159,float_val2)" " = 1"
 138         setup_xfail "mn10300-*-*"
 139         gdb_test "p t_float_values(float_val1,-2.3765)" " = 1"
 140
 141         # Test passing of arguments which might not be widened.
 142         gdb_test "p t_float_values2(0.0,0.0)" " = 0"
 143
 144         # Although PR 5318 mentions SunOS specifically, this seems
 145         # to be a generic problem on quite a few platforms.
 146         if $prototypes then {
 147             setup_xfail "hppa*-*-*" "sparc-*-*" "mips*-*-*" 5318
 148             if {!$gcc_compiled} then {
 149                 setup_xfail "alpha-dec-osf2*" "i*86-*-sysv4*" 5318
 150             }
 151         }
 152         gdb_test "p t_float_values2(3.14159,float_val2)" " = 1"
 153         gdb_test "p t_small_values(1,2,3,4,5,6,7,8,9,10)" " = 55"
 154
 155         gdb_test "p t_double_values(0.0,0.0)" " = 0"
 156         gdb_test "p t_double_values(45.654,-67.66)" " = 1"
 157         gdb_test "p t_double_values(double_val1,double_val2)" " = 1"
 158         gdb_test "p t_double_values(45.654,double_val2)" " = 1"
 159         gdb_test "p t_double_values(double_val1,-67.66)" " = 1"
 160     }
 161
 162     gdb_test "p t_string_values(string_val2,string_val1)" " = 0"
 163     gdb_test "p t_string_values(string_val1,string_val2)" " = 1"
 164     gdb_test "p t_string_values(\"string 1\",\"string 2\")" " = 1"
 165     gdb_test "p t_string_values(\"string 1\",string_val2)" " = 1"
 166     gdb_test "p t_string_values(string_val1,\"string 2\")" " = 1"
 167
 168     gdb_test "p t_char_array_values(char_array_val2,char_array_val1)" " = 0"
 169     gdb_test "p t_char_array_values(char_array_val1,char_array_val2)" " = 1"
 170     gdb_test "p t_char_array_values(\"carray 1\",\"carray 2\")" " = 1"
 171     gdb_test "p t_char_array_values(\"carray 1\",char_array_val2)" " = 1"
 172     gdb_test "p t_char_array_values(char_array_val1,\"carray 2\")" " = 1"
 173
 174     gdb_test "p doubleit(4)" " = 8"
 175     gdb_test "p add(4,5)" " = 9"
 176     gdb_test "p t_func_values(func_val2,func_val1)" " = 0"
 177     gdb_test "p t_func_values(func_val1,func_val2)" " = 1"
 178
 179     # On the rs6000, we need to pass the address of the trampoline routine,
 180     # not the address of add itself.  I don't know how to go from add to
 181     # the address of the trampoline.  Similar problems exist on the HPPA,
 182     # and in fact can present an unsolvable problem as the stubs may not
 183     # even exist in the user's program.  We've slightly recoded t_func_values
 184     # to avoid such problems in the common case.  This may or may not help
 185     # the RS6000.
 186     setup_xfail "rs6000*-*-*"
 187     setup_xfail "powerpc*-*-*"
 188     if {!$gcc_compiled && [istarget hppa*-*-hpux*]} then {
 189         gdb_test "p t_func_values(add,func_val2)" "You cannot.*ignored.*"
 190     } else {
 191         gdb_test "p t_func_values(add,func_val2)" " = 1"
 192     }
 193
 194     setup_xfail "rs6000*-*-*"
 195     setup_xfail "powerpc*-*-*"
 196     if {!$gcc_compiled && [istarget hppa*-*-hpux*]} then {
 197         gdb_test "p t_func_values(func_val1,doubleit)" "You cannot.*ignored.*"
 198     } else {
 199         gdb_test "p t_func_values(func_val1,doubleit)" " = 1"
 200     }
 201
 202     gdb_test "p t_call_add(func_val1,3,4)" " = 7"
 203
 204     setup_xfail "rs6000*-*-*"
 205     setup_xfail "powerpc*-*-*"
 206     if {!$gcc_compiled && [istarget hppa*-*-hpux*]} then {
 207         gdb_test "p t_call_add(add,3,4)" "You cannot.*ignored.*"
 208     } else {
 209         gdb_test "p t_call_add(add,3,4)" " = 7"
 210     }
 211
 212     gdb_test "p t_enum_value1(enumval1)" " = 1"
 213     gdb_test "p t_enum_value1(enum_val1)" " = 1"
 214     gdb_test "p t_enum_value1(enum_val2)" " = 0"
 215
 216     gdb_test "p t_enum_value2(enumval2)" " = 1"
 217     gdb_test "p t_enum_value2(enum_val2)" " = 1"
 218     gdb_test "p t_enum_value2(enum_val1)" " = 0"
 219
 220     gdb_test "p sum_args(1,{2})" " = 2"
 221     gdb_test "p sum_args(2,{2,3})" " = 5"
 222     gdb_test "p sum_args(3,{2,3,4})" " = 9"
 223     gdb_test "p sum_args(4,{2,3,4,5})" " = 14"
 224
 225     gdb_test "p sum10 (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)" " = 55"
 226
 227     gdb_test "p cmp10 (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)" " = 1"
 228
 229     gdb_test "p t_structs_c(struct_val1)" "= 120 'x'" \
 230         "call inferior func with struct - returns char"
 231     gdb_test "p t_structs_s(struct_val1)" "= 87" \
 232         "call inferior func with struct -  returns short"
 233     gdb_test "p t_structs_i(struct_val1)" "= 76" \
 234         "call inferior func with struct - returns int"
 235     gdb_test "p t_structs_l(struct_val1)" "= 51" \
 236         "call inferior func with struct - returns long"
 237     setup_xfail "i*86-*-*"
 238     gdb_test "p t_structs_f(struct_val1)" "= 2.12.*" \
 239         "call inferior func with struct - returns float"
 240     setup_xfail "i*86-*-*"
 241     gdb_test "p t_structs_d(struct_val1)" "= 9.87.*" \
 242         "call inferior func with struct - returns double"
 243     gdb_test "p t_structs_a(struct_val1)" "= (.unsigned char .. )?\"foo\"" \
 244         "call inferior func with struct - returns char *"
 245 }
 246
 247 # Start with a fresh gdb.
 248
 249 gdb_exit
 250 gdb_start
 251 gdb_reinitialize_dir $srcdir/$subdir
 252 gdb_load ${binfile}
 253
 254 gdb_test "set print sevenbit-strings" ""
 255 gdb_test "set print address off" ""
 256 gdb_test "set width 0" ""
 257
 258 if { ![set_lang_c] } {
 259     gdb_suppress_tests;
 260 } else {
 261     if { ![runto_main] } {
 262         gdb_suppress_tests;
 263     }
 264 }
 265
 266 gdb_test "next" ".*"
 267 do_function_calls
 268
 269 return 0