gdb/testsuite/gdb.base/callfuncs2.exp

   1 # Copyright (C) 1997, 1998 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 # SAME tests as in callfns.exp but here the inferior program does not call malloc.
  23
  24
  25
  26 if $tracelevel then {
  27         strace $tracelevel
  28 }
  29
  30 set prms_id 0
  31 set bug_id 0
  32
  33 set testfile "callfuncs2"
  34 set srcfile ${testfile}.c
  35 set binfile ${objdir}/${subdir}/${testfile}
  36
  37 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  38      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  39 }
  40
  41 # Create and source the file that provides information about the compiler
  42 # used to compile the test case.
  43
  44 if [get_compiler_info ${binfile}] {
  45     return -1;
  46 }
  47
  48 if {$hp_aCC_compiler} {
  49     set prototypes 1
  50 } else {
  51     set prototypes 0
  52 }
  53
  54
  55 # The a29k can't call functions, so don't even bother with this test.
  56 if [target_info exists gdb,cannot_call_functions] {
  57     setup_xfail "*-*-*" 2416
  58     fail "This target can not call functions"
  59     continue
  60 }
  61
  62 # Set the current language to C.  This counts as a test.  If it
  63 # fails, then we skip the other tests.
  64
  65 proc set_lang_c {} {
  66     global gdb_prompt
  67
  68     send_gdb "set language c\n"
  69     gdb_expect {
  70         -re ".*$gdb_prompt $" {}
  71         timeout { fail "set language c (timeout)" ; return 0 }
  72     }
  73
  74     send_gdb "show language\n"
  75     gdb_expect {
  76         -re ".* source language is \"c\".*$gdb_prompt $" {
  77             pass "set language to \"c\""
  78             return 1
  79         }
  80         -re ".*$gdb_prompt $" {
  81             fail "setting language to \"c\""
  82             return 0
  83         }
  84         timeout {
  85             fail "can't show language (timeout)"
  86             return 0
  87         }
  88     }
  89 }
  90
  91 # FIXME:  Before calling this proc, we should probably verify that
  92 # we can call inferior functions and get a valid integral value
  93 # returned.
  94 # Note that it is OK to check for 0 or 1 as the returned values, because C
  95 # specifies that the numeric value of a relational or logical expression
  96 # (computed in the inferior) is 1 for true and 0 for false.
  97
  98 proc do_function_calls {} {
  99     global prototypes
 100     global gcc_compiled
 101     # We need to up this because this can be really slow on some boards.
 102     set timeout 60;
 103
 104     gdb_test "p t_char_values(0,0)" " = 0"
 105     gdb_test "p t_char_values('a','b')" " = 1"
 106     gdb_test "p t_char_values(char_val1,char_val2)" " = 1"
 107     gdb_test "p t_char_values('a',char_val2)" " = 1"
 108     gdb_test "p t_char_values(char_val1,'b')" " = 1"
 109
 110     gdb_test "p t_short_values(0,0)" " = 0"
 111     gdb_test "p t_short_values(10,-23)" " = 1"
 112     gdb_test "p t_short_values(short_val1,short_val2)" " = 1"
 113     gdb_test "p t_short_values(10,short_val2)" " = 1"
 114     gdb_test "p t_short_values(short_val1,-23)" " = 1"
 115
 116     gdb_test "p t_int_values(0,0)" " = 0"
 117     gdb_test "p t_int_values(87,-26)" " = 1"
 118     gdb_test "p t_int_values(int_val1,int_val2)" " = 1"
 119     gdb_test "p t_int_values(87,int_val2)" " = 1"
 120     gdb_test "p t_int_values(int_val1,-26)" " = 1"
 121
 122     gdb_test "p t_long_values(0,0)" " = 0"
 123     gdb_test "p t_long_values(789,-321)" " = 1"
 124     gdb_test "p t_long_values(long_val1,long_val2)" " = 1"
 125     gdb_test "p t_long_values(789,long_val2)" " = 1"
 126     gdb_test "p t_long_values(long_val1,-321)" " = 1"
 127
 128     if ![target_info exists gdb,skip_float_tests] {
 129         gdb_test "p t_float_values(0.0,0.0)" " = 0"
 130
 131         # These next four tests fail on the mn10300.
 132         # The first value is passed in regs, the other in memory.
 133         # Gcc emits different stabs for the two parameters; the first is
 134         # claimed to be a float, the second a double.
 135         # dbxout.c in gcc claims this is the desired behavior.
 136         setup_xfail "mn10300-*-*" "hppa*-*-*11*"
 137         gdb_test "p t_float_values(3.14159,-2.3765)" " = 1"
 138         setup_xfail "mn10300-*-*" "hppa*-*-*11*"
 139         gdb_test "p t_float_values(float_val1,float_val2)" " = 1"
 140         setup_xfail "mn10300-*-*" "hppa*-*-*11*"
 141         gdb_test "p t_float_values(3.14159,float_val2)" " = 1"
 142         setup_xfail "mn10300-*-*" "hppa*-*-*11*"
 143         gdb_test "p t_float_values(float_val1,-2.3765)" " = 1"
 144
 145         # Test passing of arguments which might not be widened.
 146         gdb_test "p t_float_values2(0.0,0.0)" " = 0"
 147
 148         # Although PR 5318 mentions SunOS specifically, this seems
 149         # to be a generic problem on quite a few platforms.
 150         if $prototypes then {
 151             setup_xfail "sparc-*-*" "mips*-*-*" 5318
 152             if {!$gcc_compiled} then {
 153                 setup_xfail "alpha-dec-osf2*" "i*86-*-sysv4*" 5318
 154             }
 155         }
 156         gdb_test "p t_float_values2(3.14159,float_val2)" " = 1"
 157         gdb_test "p t_small_values(1,2,3,4,5,6,7,8,9,10)" " = 55"
 158
 159         gdb_test "p t_double_values(0.0,0.0)" " = 0"
 160         gdb_test "p t_double_values(45.654,-67.66)" " = 1"
 161         gdb_test "p t_double_values(double_val1,double_val2)" " = 1"
 162         gdb_test "p t_double_values(45.654,double_val2)" " = 1"
 163         gdb_test "p t_double_values(double_val1,-67.66)" " = 1"
 164
 165     }
 166
 167     gdb_test "p t_string_values(string_val2,string_val1)" " = 0"
 168     gdb_test "p t_string_values(string_val1,string_val2)" " = 1"
 169     gdb_test "p t_string_values(\"string 1\",\"string 2\")" " = 1"
 170     gdb_test "p t_string_values(\"string 1\",string_val2)" " = 1"
 171     gdb_test "p t_string_values(string_val1,\"string 2\")" " = 1"
 172
 173     gdb_test "p t_char_array_values(char_array_val2,char_array_val1)" " = 0"
 174     gdb_test "p t_char_array_values(char_array_val1,char_array_val2)" " = 1"
 175     gdb_test "p t_char_array_values(\"carray 1\",\"carray 2\")" " = 1"
 176     gdb_test "p t_char_array_values(\"carray 1\",char_array_val2)" " = 1"
 177     gdb_test "p t_char_array_values(char_array_val1,\"carray 2\")" " = 1"
 178
 179     gdb_test "p doubleit(4)" " = 8"
 180     gdb_test "p add(4,5)" " = 9"
 181     gdb_test "p t_func_values(func_val2,func_val1)" " = 0"
 182     gdb_test "p t_func_values(func_val1,func_val2)" " = 1"
 183
 184     # On the rs6000, we need to pass the address of the trampoline routine,
 185     # not the address of add itself.  I don't know how to go from add to
 186     # the address of the trampoline.  Similar problems exist on the HPPA,
 187     # and in fact can present an unsolvable problem as the stubs may not
 188     # even exist in the user's program.  We've slightly recoded t_func_values
 189     # to avoid such problems in the common case.  This may or may not help
 190     # the RS6000.
 191     setup_xfail "rs6000*-*-*"
 192     setup_xfail "powerpc*-*-*"
 193
 194     if {!$gcc_compiled && [istarget hppa*-*-hpux*]} then {
 195         send_gdb "p t_func_values(add,func_val2)\n"
 196         gdb_expect {
 197           -re "You cannot.*ignored.*" {pass "p t_func_values(add,func_val2)"}
 198           -re "Program received signal SIGBUS, Bus error.*" {
 199             if [istarget hppa*-*-hpux*] {
 200                 pass "p t_func_values(add,func_val2)"
 201             } else {
 202                 fail "p t_func_values(add,func_val2)"
 203             }
 204           }
 205         }
 206     } else {
 207         gdb_test "p t_func_values(add,func_val2)" " = 1"
 208     }
 209
 210     setup_xfail "rs6000*-*-*"
 211     setup_xfail "powerpc*-*-*"
 212
 213     if {!$gcc_compiled && [istarget hppa*-*-hpux*]} then {
 214         send_gdb "p t_func_values(func_val1,doubleit)\n"
 215         gdb_expect {
 216           -re "You cannot.*ignored.*" {pass "p t_func_values(func_val1,doubleit)"}
 217           -re "Program received signal SIGBUS, Bus error.*" {
 218             if [istarget hppa*-*-hpux*] {
 219                 pass "p t_func_values(func_val1,doubleit)"
 220             } else {
 221                 fail "p t_func_values(func_val1,doubleit)"
 222             }
 223           }
 224         }
 225     } else {
 226         gdb_test "p t_func_values(func_val1,doubleit)" " = 1"
 227     }
 228
 229     gdb_test "p t_call_add(func_val1,3,4)" " = 7"
 230
 231     setup_xfail "rs6000*-*-*"
 232     setup_xfail "powerpc*-*-*"
 233
 234     if {!$gcc_compiled && [istarget hppa*-*-hpux*]} then {
 235         send_gdb "p t_call_add(add,3,4)\n"
 236         gdb_expect {
 237           -re "You cannot.*ignored.*" {pass "p t_call_add(add,3,4)"}
 238           -re "Program received signal SIGBUS, Bus error.*" {
 239             if [istarget hppa*-*-hpux*] {
 240                 pass "p t_call_add(add,3,4)"
 241             } else {
 242                 fail "p t_call_add(add,3,4)"
 243             }
 244           }
 245         }
 246     } else {
 247         gdb_test "p t_call_add(add,3,4)" " = 7"
 248     }
 249
 250     gdb_test "p t_enum_value1(enumval1)" " = 1"
 251     gdb_test "p t_enum_value1(enum_val1)" " = 1"
 252     gdb_test "p t_enum_value1(enum_val2)" " = 0"
 253
 254     gdb_test "p t_enum_value2(enumval2)" " = 1"
 255     gdb_test "p t_enum_value2(enum_val2)" " = 1"
 256     gdb_test "p t_enum_value2(enum_val1)" " = 0"
 257
 258     gdb_test "p sum_args(1,{2})" " = 2"
 259     gdb_test "p sum_args(2,{2,3})" " = 5"
 260     gdb_test "p sum_args(3,{2,3,4})" " = 9"
 261     gdb_test "p sum_args(4,{2,3,4,5})" " = 14"
 262     gdb_test "p sum10 (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)" " = 55"
 263
 264     gdb_test "p t_structs_c(struct_val1)" "= 120 'x'" \
 265         "call inferior func with struct - returns char"
 266     gdb_test "p t_structs_s(struct_val1)" "= 87" \
 267         "call inferior func with struct -  returns short"
 268     gdb_test "p t_structs_i(struct_val1)" "= 76" \
 269         "call inferior func with struct - returns int"
 270     gdb_test "p t_structs_l(struct_val1)" "= 51" \
 271         "call inferior func with struct - returns long"
 272     setup_xfail "i*86-*-*"
 273     gdb_test "p t_structs_f(struct_val1)" "= 2.12.*" \
 274         "call inferior func with struct - returns float"
 275     setup_xfail "i*86-*-*"
 276     gdb_test "p t_structs_d(struct_val1)" "= 9.87.*" \
 277         "call inferior func with struct - returns double"
 278     gdb_test "p t_structs_a(struct_val1)" "= (.unsigned char .. )?\"foo\"" \
 279         "call inferior func with struct - returns char *"
 280
 281 }
 282
 283 # Start with a fresh gdb.
 284
 285 gdb_exit
 286 gdb_start
 287 gdb_reinitialize_dir $srcdir/$subdir
 288 gdb_load ${binfile}
 289
 290 gdb_test "set print sevenbit-strings" ""
 291 gdb_test "set print address off" ""
 292 gdb_test "set width 0" ""
 293
 294 if { $hp_aCC_compiler } {
 295     # Do not set language explicitly to 'C'.  This will cause aCC
 296     # tests to fail because promotion rules are different.  Just let
 297     # the language be set to the default.
 298
 299     if { ![runto_main] } {
 300         gdb_suppress_tests;
 301     }
 302
 303     gdb_test "set overload-resolution 0" ".*"
 304 } else {
 305     if { ![set_lang_c] } {
 306         gdb_suppress_tests;
 307     } else {
 308         if { ![runto_main] } {
 309             gdb_suppress_tests;
 310         }
 311     }
 312 }
 313
 314 gdb_test "next" ".*"
 315 do_function_calls
 316
 317 return 0