[binutils.git] / gdb / testsuite / gdb.base / callfuncs.exp

# Copyright (C) 92, 96, 1997 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:
# [email protected]

# This file was written by Fred Fish. ([email protected])
# and modified by Bob Manson. ([email protected])

if $tracelevel then {
	strace $tracelevel
}

set prms_id 0
set bug_id 0

set testfile "callfuncs"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}

set prototypes 1
if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
    set prototypes 0;
    # built the second test case since we can't use prototypes
    warning "Prototypes not supported, rebuilding with -DNO_PROTOTYPES"
    if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DNO_PROTOTYPES}] != "" } {
     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
    }
}

# Create and source the file that provides information about the compiler
# used to compile the test case.

if [get_compiler_info ${binfile}] {
    return -1;
}

# The a29k can't call functions, so don't even bother with this test.
if [target_info exists gdb,cannot_call_functions] {
    setup_xfail "*-*-*" 2416
    fail "This target 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 gdb_prompt

    send_gdb "set language c\n"
    gdb_expect {
	-re ".*$gdb_prompt $" {}
	timeout { fail "set language c (timeout)" ; return 0; }
    }

    send_gdb "show language\n"
    gdb_expect {
	-re ".* source language is \"c\".*$gdb_prompt $" {
	    pass "set language to \"c\""
	    return 1
	}
	-re ".*$gdb_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
    global gcc_compiled
    # We need to up this because this can be really slow on some boards.
    set timeout 60;

    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"

    if ![target_info exists gdb,skip_float_tests] {
	gdb_test "p t_float_values(0.0,0.0)" " = 0"

	# These next four tests fail on the mn10300.
	# The first value is passed in regs, the other in memory.
	# Gcc emits different stabs for the two parameters; the first is
	# claimed to be a float, the second a double.
	# dbxout.c in gcc claims this is the desired behavior.
	setup_xfail "mn10300-*-*"
	gdb_test "p t_float_values(3.14159,-2.3765)" " = 1"
	setup_xfail "mn10300-*-*"
	gdb_test "p t_float_values(float_val1,float_val2)" " = 1"
	setup_xfail "mn10300-*-*"
	gdb_test "p t_float_values(3.14159,float_val2)" " = 1"
	setup_xfail "mn10300-*-*"
	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"

	# Although PR 5318 mentions SunOS specifically, this seems
	# to be a generic problem on quite a few platforms.
	if $prototypes then {
	    setup_xfail "hppa*-*-*" "sparc-*-*" "mips*-*-*" 5318
	    if {!$gcc_compiled} then {
		setup_xfail "alpha-dec-osf2*" "i*86-*-sysv4*" 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*-*-*"
    setup_xfail "powerpc*-*-*"
    if {!$gcc_compiled && [istarget hppa*-*-hpux*]} then {
	gdb_test "p t_func_values(add,func_val2)" "You cannot.*ignored.*"
    } else {
	gdb_test "p t_func_values(add,func_val2)" " = 1"
    }

    setup_xfail "rs6000*-*-*"
    setup_xfail "powerpc*-*-*"
    if {!$gcc_compiled && [istarget hppa*-*-hpux*]} then {
	gdb_test "p t_func_values(func_val1,doubleit)" "You cannot.*ignored.*"
    } else {
	gdb_test "p t_func_values(func_val1,doubleit)" " = 1"
    }

    gdb_test "p t_call_add(func_val1,3,4)" " = 7"

    setup_xfail "rs6000*-*-*"
    setup_xfail "powerpc*-*-*"
    if {!$gcc_compiled && [istarget hppa*-*-hpux*]} then {
	gdb_test "p t_call_add(add,3,4)" "You cannot.*ignored.*"
    } else {
	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 cmp10 (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)" " = 1"

    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)" "= (.unsigned char .. )?\"foo\"" \
    	"call inferior func with struct - returns char *"
}

# Start with a fresh gdb.

gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}

gdb_test "set print sevenbit-strings" ""
gdb_test "set print address off" ""
gdb_test "set width 0" ""

if { ![set_lang_c] } {
    gdb_suppress_tests;
} else {
    if { ![runto_main] } {
	gdb_suppress_tests;
    }
}

gdb_test "next" ".*"
do_function_calls

return 0
Commit	Line	Data
c906108c SS	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	# [email protected]
	19
	20	# This file was written by Fred Fish. ([email protected])
	21	# and modified by Bob Manson. ([email protected])
	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" "i86--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 "i86--*"
238	gdb_test "p t_structs_f(struct_val1)" "= 2.12.*" \
239	"call inferior func with struct - returns float"
240	setup_xfail "i86--*"
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