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