[thirdparty/binutils-gdb.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:
# bug-gdb@prep.ai.mit.edu

# This file was written by Fred Fish. (fnf@cygnus.com)
# and modified by Bob Manson. (manson@cygnus.com)

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}] != "" } {
	perror "Couldn't compile ${testfile}.c"
	return -1
    }
}

# 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 prompt

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

    send_gdb "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
    global gcc_compiled

    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"

    # 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*-*-*"
    gdb_test "p t_func_values(add,func_val2)" " = 1"

    setup_xfail "rs6000*-*-*"
    setup_xfail "powerpc*-*-*"
    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*-*-*"
    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)" "= (.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] then {
    if [runto_main] then {
	gdb_test "next" ".*"
	do_function_calls
    } else {
	fail "C function calling tests suppressed"
    }
} else {
    fail "C function calling tests suppressed"
}
return 0
Commit	Line	Data
787f6220	1	# Copyright (C) 92, 96, 1997 Free Software Foundation, Inc.
eed4066f FF	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
787f6220	15	# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
eed4066f FF	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)
787f6220	21	# and modified by Bob Manson. (manson@cygnus.com)
eed4066f FF	22
	23	if $tracelevel then {
	24	strace $tracelevel
	25	}
	26
	27	set prms_id 0
	28	set bug_id 0
	29
782445c7	30	set testfile "callfuncs"
04d5f3d6	31	set srcfile ${testfile}.c
782445c7 FF	32	set binfile ${objdir}/${subdir}/${testfile}
782445c7 FF	33
787f6220 BM	34	set prototypes 1
	35	if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
	36	set prototypes 0;
782445c7 FF	37	# built the second test case since we can't use prototypes
782445c7 FF	38	warning "Prototypes not supported, rebuilding with -DNO_PROTOTYPES"
787f6220	39	if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DNO_PROTOTYPES}] != "" } {
782445c7 FF	40	perror "Couldn't compile ${testfile}.c"
	41	return -1
	42	}
	43	}
eed4066f	44
04d5f3d6 FF	45	# Create and source the file that provides information about the compiler
04d5f3d6 FF	46	# used to compile the test case.
787f6220 BM	47
	48	if [get_compiler_info ${binfile}] {
	49	return -1;
eed4066f	50	}
782445c7	51
eed4066f	52	# The a29k can't call functions, so don't even bother with this test.
787f6220 BM	53	if [target_info exists gdb,cannot_call_functions] {
	54	setup_xfail "--*" 2416
	55	fail "This target can not call functions"
eed4066f FF	56	continue
	57	}
	58
	59	# Set the current language to C. This counts as a test. If it
	60	# fails, then we skip the other tests.
	61
	62	proc set_lang_c {} {
	63	global prompt
	64
787f6220	65	send_gdb "set language c\n"
eed4066f FF	66	expect {
	67	-re ".*$prompt $" {}
	68	timeout { fail "set language c (timeout)" ; return 0 }
	69	}
	70
787f6220	71	send_gdb "show language\n"
eed4066f FF	72	expect {
	73	-re ".* source language is \"c\".*$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
ce102e96	97	global gcc_compiled
eed4066f FF	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"
ce102e96 FF	131
ce102e96 FF	132	# Although PR 5318 mentions SunOS specifically, this seems
218f9f03	133	# to be a generic problem on quite a few platforms.
ce102e96	134	if $prototypes then {
04d5f3d6 FF	135	setup_xfail "hppa--" "sparc--" "mips--" 5318
	136	if {!$gcc_compiled} then {
	137	setup_xfail "alpha-dec-osf2" "i86--sysv4" 5318
	138	}
ce102e96	139	}
eed4066f FF	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--*"
5c6f833b	174	setup_xfail "powerpc--*"
eed4066f FF	175	gdb_test "p t_func_values(add,func_val2)" " = 1"
	176
	177	setup_xfail "rs6000--*"
5c6f833b	178	setup_xfail "powerpc--*"
eed4066f FF	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--*"
5c6f833b	184	setup_xfail "powerpc--*"
eed4066f FF	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"
06c87bef	209	setup_xfail "i86--*"
eed4066f FF	210	gdb_test "p t_structs_f(struct_val1)" "= 2.12.*" \
eed4066f FF	211	"call inferior func with struct - returns float"
06c87bef	212	setup_xfail "i86--*"
eed4066f FF	213	gdb_test "p t_structs_d(struct_val1)" "= 9.87.*" \
eed4066f FF	214	"call inferior func with struct - returns double"
218f9f03	215	gdb_test "p t_structs_a(struct_val1)" "= (.unsigned char .. )?\"foo\"" \
eed4066f FF	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
782445c7	225	gdb_load ${binfile}
eed4066f	226
787f6220 BM	227	gdb_test "set print sevenbit-strings" ""
	228	gdb_test "set print address off" ""
	229	gdb_test "set width 0" ""
eed4066f FF	230
	231	if [set_lang_c] then {
	232	if [runto_main] then {
787f6220	233	gdb_test "next" ".*"
eed4066f FF	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