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# Copyright (C) 1992 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
# Please email any bugs, comments, and/or additions to this file to:
# bug-gdb@prep.ai.mit.edu
# This file was written by Fred Fish. (fnf@cygnus.com)
if $tracelevel then {
strace $tracelevel
}
set prms_id 0
set bug_id 0
set binfile "callfuncs"
set srcfile $binfile.c
if ![file exists $objdir/$subdir/$binfile] then {
perror "$objdir/$subdir/$binfile does not exist"
return 0
}
# The a29k can't call functions, so don't even bother with this test.
if [istarget "a29k-*-udi"] then {
setup_xfail "a29k-*-udi" 2416
fail "a29k-*-udi can not call functions"
continue
}
# Set the current language to C. This counts as a test. If it
# fails, then we skip the other tests.
proc set_lang_c {} {
global prompt
send "set language c\n"
expect {
-re ".*$prompt $" {}
timeout { fail "set language c (timeout)" ; return 0 }
}
send "show language\n"
expect {
-re ".* source language is \"c\".*$prompt $" {
pass "set language to \"c\""
return 1
}
-re ".*$prompt $" {
fail "setting language to \"c\""
return 0
}
timeout {
fail "can't show language (timeout)"
return 0
}
}
}
# FIXME: Before calling this proc, we should probably verify that
# we can call inferior functions and get a valid integral value
# returned.
# Note that it is OK to check for 0 or 1 as the returned values, because C
# specifies that the numeric value of a relational or logical expression
# (computed in the inferior) is 1 for true and 0 for false.
proc do_function_calls {} {
global prototypes
gdb_test "p t_char_values(0,0)" " = 0"
gdb_test "p t_char_values('a','b')" " = 1"
gdb_test "p t_char_values(char_val1,char_val2)" " = 1"
gdb_test "p t_char_values('a',char_val2)" " = 1"
gdb_test "p t_char_values(char_val1,'b')" " = 1"
gdb_test "p t_short_values(0,0)" " = 0"
gdb_test "p t_short_values(10,-23)" " = 1"
gdb_test "p t_short_values(short_val1,short_val2)" " = 1"
gdb_test "p t_short_values(10,short_val2)" " = 1"
gdb_test "p t_short_values(short_val1,-23)" " = 1"
gdb_test "p t_int_values(0,0)" " = 0"
gdb_test "p t_int_values(87,-26)" " = 1"
gdb_test "p t_int_values(int_val1,int_val2)" " = 1"
gdb_test "p t_int_values(87,int_val2)" " = 1"
gdb_test "p t_int_values(int_val1,-26)" " = 1"
gdb_test "p t_long_values(0,0)" " = 0"
gdb_test "p t_long_values(789,-321)" " = 1"
gdb_test "p t_long_values(long_val1,long_val2)" " = 1"
gdb_test "p t_long_values(789,long_val2)" " = 1"
gdb_test "p t_long_values(long_val1,-321)" " = 1"
gdb_test "p t_float_values(0.0,0.0)" " = 0"
gdb_test "p t_float_values(3.14159,-2.3765)" " = 1"
gdb_test "p t_float_values(float_val1,float_val2)" " = 1"
gdb_test "p t_float_values(3.14159,float_val2)" " = 1"
gdb_test "p t_float_values(float_val1,-2.3765)" " = 1"
# Test passing of arguments which might not be widened.
gdb_test "p t_float_values2(0.0,0.0)" " = 0"
if $prototypes then {setup_xfail "*-*-*" 5318}
gdb_test "p t_float_values2(3.14159,float_val2)" " = 1"
gdb_test "p t_small_values(1,2,3,4,5,6,7,8,9,10)" " = 55"
gdb_test "p t_double_values(0.0,0.0)" " = 0"
gdb_test "p t_double_values(45.654,-67.66)" " = 1"
gdb_test "p t_double_values(double_val1,double_val2)" " = 1"
gdb_test "p t_double_values(45.654,double_val2)" " = 1"
gdb_test "p t_double_values(double_val1,-67.66)" " = 1"
gdb_test "p t_string_values(string_val2,string_val1)" " = 0"
gdb_test "p t_string_values(string_val1,string_val2)" " = 1"
gdb_test "p t_string_values(\"string 1\",\"string 2\")" " = 1"
gdb_test "p t_string_values(\"string 1\",string_val2)" " = 1"
gdb_test "p t_string_values(string_val1,\"string 2\")" " = 1"
gdb_test "p t_char_array_values(char_array_val2,char_array_val1)" " = 0"
gdb_test "p t_char_array_values(char_array_val1,char_array_val2)" " = 1"
gdb_test "p t_char_array_values(\"carray 1\",\"carray 2\")" " = 1"
gdb_test "p t_char_array_values(\"carray 1\",char_array_val2)" " = 1"
gdb_test "p t_char_array_values(char_array_val1,\"carray 2\")" " = 1"
gdb_test "p doubleit(4)" " = 8"
gdb_test "p add(4,5)" " = 9"
gdb_test "p t_func_values(func_val2,func_val1)" " = 0"
gdb_test "p t_func_values(func_val1,func_val2)" " = 1"
# On the rs6000, we need to pass the address of the trampoline routine,
# not the address of add itself. I don't know how to go from add to
# the address of the trampoline. Similar problems exist on the HPPA,
# and in fact can present an unsolvable problem as the stubs may not
# even exist in the user's program. We've slightly recoded t_func_values
# to avoid such problems in the common case. This may or may not help
# the RS6000.
setup_xfail "rs6000*-*-*"
gdb_test "p t_func_values(add,func_val2)" " = 1"
setup_xfail "rs6000*-*-*"
gdb_test "p t_func_values(func_val1,doubleit)" " = 1"
gdb_test "p t_call_add(func_val1,3,4)" " = 7"
setup_xfail "rs6000*-*-*"
gdb_test "p t_call_add(add,3,4)" " = 7"
gdb_test "p t_enum_value1(enumval1)" " = 1"
gdb_test "p t_enum_value1(enum_val1)" " = 1"
gdb_test "p t_enum_value1(enum_val2)" " = 0"
gdb_test "p t_enum_value2(enumval2)" " = 1"
gdb_test "p t_enum_value2(enum_val2)" " = 1"
gdb_test "p t_enum_value2(enum_val1)" " = 0"
gdb_test "p sum_args(1,{2})" " = 2"
gdb_test "p sum_args(2,{2,3})" " = 5"
gdb_test "p sum_args(3,{2,3,4})" " = 9"
gdb_test "p sum_args(4,{2,3,4,5})" " = 14"
gdb_test "p sum10 (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)" " = 55"
gdb_test "p t_structs_c(struct_val1)" "= 120 'x'" \
"call inferior func with struct - returns char"
gdb_test "p t_structs_s(struct_val1)" "= 87" \
"call inferior func with struct - returns short"
gdb_test "p t_structs_i(struct_val1)" "= 76" \
"call inferior func with struct - returns int"
gdb_test "p t_structs_l(struct_val1)" "= 51" \
"call inferior func with struct - returns long"
setup_xfail "i*86-*-*"
gdb_test "p t_structs_f(struct_val1)" "= 2.12.*" \
"call inferior func with struct - returns float"
setup_xfail "i*86-*-*"
gdb_test "p t_structs_d(struct_val1)" "= 9.87.*" \
"call inferior func with struct - returns double"
gdb_test "p t_structs_a(struct_val1)" "= \"foo\"" \
"call inferior func with struct - returns char *"
}
# Start with a fresh gdb.
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load $objdir/$subdir/$binfile
source gdb.base/callf-info.exp
send "set print sevenbit-strings\n" ; expect -re "$prompt $"
send "set print address off\n" ; expect -re "$prompt $"
send "set width 0\n" ; expect -re "$prompt $"
if [set_lang_c] then {
if [runto_main] then {
do_function_calls
} else {
fail "C function calling tests suppressed"
}
} else {
fail "C function calling tests suppressed"
}
return 0
|
