[deliverable/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}

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
     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;
}

if {$hp_aCC_compiler} {
    set prototypes 1
} else {
    set prototypes 0
}

# 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
    global gdb_prompt

    # 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 $prototypes then {
	    setup_xfail "sparc-*-*" "mips*-*-*" 5318
	    if {!$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 {![istarget hppa*-*-hpux*]} then {
	gdb_test "p t_func_values(add,func_val2)" " = 1"
    }

    setup_xfail "rs6000*-*-*"
    setup_xfail "powerpc*-*-*"
    if {![istarget hppa*-*-hpux*]} then {
	gdb_test "p t_func_values(func_val1,doubleit)" " = 1"
    }

    setup_xfail "rs6000*-*-*"
    setup_xfail "powerpc*-*-*"
    if {![istarget hppa*-*-hpux*]} then {
	gdb_test "p t_call_add(add,3,4)" " = 7"
    }
    gdb_test "p t_call_add(func_val1,3,4)" " = 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"
    gdb_test "p t_structs_f(struct_val1)" "= 2.12.*" \
       	"call inferior func with struct - returns float"
    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 *"
}

# Procedure to get current content of all registers.
global all_registers_content
set all_registers_content ""
proc do_get_all_registers { } {
    global gdb_prompt
    global expect_out
    global all_registers_content

    set all_registers_content ""
    send_gdb "info all-registers\n"
    gdb_expect {
	-re "info all-registers\r\n(.*)$gdb_prompt $" {
	    set all_registers_content $expect_out(1,string)
	}
	default {}
    }
}

# 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 { $hp_aCC_compiler } {
    # Do not set language explicitly to 'C'.  This will cause aCC
    # tests to fail because promotion rules are different.  Just let
    # the language be set to the default.

    if { ![runto_main] } {
	gdb_suppress_tests;
    }

    # However, turn off overload-resolution for aCC.  Having it on causes
    # a lot of failures.

    gdb_test "set overload-resolution 0" ".*"
} else {
    if { ![set_lang_c] } {
	gdb_suppress_tests;
    } else {
	if { ![runto_main] } {
	    gdb_suppress_tests;
	}
    }
}

# Make sure that malloc gets called and that the floating point unit
# is initialized via a call to t_double_values.
gdb_test "next" "t_double_values\\(double_val1, double_val2\\);.*"
gdb_test "next" "t_structs_c\\(struct_val1\\);.*"

# Save all register contents.
do_get_all_registers
set old_reg_content $all_registers_content

# Perform function calls.
do_function_calls

# Check if all registers still have the same value.
do_get_all_registers
set new_reg_content $all_registers_content
if ![string compare $old_reg_content $new_reg_content] then {
    pass "gdb function calls preserve register contents"
} else {
    set old_reg_content $all_registers_content
    fail "gdb function calls preserve register contents"
}

# Set breakpoint at a function we will call from gdb.
gdb_breakpoint add

# Call function (causing a breakpoint hit in the call dummy) and do a continue,
# make sure we are back at main and still have the same register contents.
gdb_test "print add(4,5)" "The program being debugged stopped while.*" ""
gdb_test "continue" "Continuing.*" "continue from call dummy breakpoint"
if ![gdb_test "bt 2" \
	      "#0  main.*" \
	      "bt after continuing from call dummy breakpoint"] then {
    do_get_all_registers
    set new_reg_content $all_registers_content
    if ![string compare $old_reg_content $new_reg_content] then {
	pass "continue after stop in call dummy preserves register contents"
    } else {
	fail "continue after stop in call dummy preserves register contents"
    }
}

# Call function (causing a breakpoint hit in the call dummy) and do a finish,
# make sure we are back at main and still have the same register contents.
gdb_test "print add(4,5)" "The program being debugged stopped while.*" ""
gdb_test "finish" \
	 "Value returned is.* = 9" \
	 "finish from call dummy breakpoint returns correct value"
if ![gdb_test "bt 2" \
	      "#0  main.*" \
	      "bt after finishing from call dummy breakpoint"] then {
    do_get_all_registers
    set new_reg_content $all_registers_content
    if ![string compare $old_reg_content $new_reg_content] then {
	pass "finish after stop in call dummy preserves register contents"
    } else {
	fail "finish after stop in call dummy preserves register contents"
    }
}

# Call function (causing a breakpoint hit in the call dummy) and do a return
# with a value, make sure we are back at main with the same register contents.
gdb_test "print add(4,5)" "The program being debugged stopped while.*" ""
if ![gdb_test "return 7" \
	      "#0  main.*" \
	      "back at main after return from call dummy breakpoint" \
	      "Make add return now. .y or n.*" \
	      "y"] then {
    do_get_all_registers
    set new_reg_content $all_registers_content
    if ![string compare $old_reg_content $new_reg_content] then {
	pass "return after stop in call dummy preserves register contents"
    } else {
	fail "return after stop in call dummy preserves register contents"
    }
}

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	# 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}/${testfile}
	33
c906108c	34	if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
c906108c	35	gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
c906108c SS	36	}
	37
	38	# Create and source the file that provides information about the compiler
	39	# used to compile the test case.
	40
	41	if [get_compiler_info ${binfile}] {
	42	return -1;
	43	}
	44
085dd6e6 JM	45	if {$hp_aCC_compiler} {
	46	set prototypes 1
	47	} else {
	48	set prototypes 0
	49	}
	50
c906108c SS	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
a0b3c4fd JM	97	global gdb_prompt
a0b3c4fd JM	98
c906108c SS	99	# We need to up this because this can be really slow on some boards.
	100	set timeout 60;
	101
	102	gdb_test "p t_char_values(0,0)" " = 0"
	103	gdb_test "p t_char_values('a','b')" " = 1"
	104	gdb_test "p t_char_values(char_val1,char_val2)" " = 1"
	105	gdb_test "p t_char_values('a',char_val2)" " = 1"
	106	gdb_test "p t_char_values(char_val1,'b')" " = 1"
	107
	108	gdb_test "p t_short_values(0,0)" " = 0"
	109	gdb_test "p t_short_values(10,-23)" " = 1"
	110	gdb_test "p t_short_values(short_val1,short_val2)" " = 1"
	111	gdb_test "p t_short_values(10,short_val2)" " = 1"
	112	gdb_test "p t_short_values(short_val1,-23)" " = 1"
	113
	114	gdb_test "p t_int_values(0,0)" " = 0"
	115	gdb_test "p t_int_values(87,-26)" " = 1"
	116	gdb_test "p t_int_values(int_val1,int_val2)" " = 1"
	117	gdb_test "p t_int_values(87,int_val2)" " = 1"
	118	gdb_test "p t_int_values(int_val1,-26)" " = 1"
	119
	120	gdb_test "p t_long_values(0,0)" " = 0"
	121	gdb_test "p t_long_values(789,-321)" " = 1"
	122	gdb_test "p t_long_values(long_val1,long_val2)" " = 1"
	123	gdb_test "p t_long_values(789,long_val2)" " = 1"
	124	gdb_test "p t_long_values(long_val1,-321)" " = 1"
	125
	126	if ![target_info exists gdb,skip_float_tests] {
	127	gdb_test "p t_float_values(0.0,0.0)" " = 0"
	128
	129	# These next four tests fail on the mn10300.
	130	# The first value is passed in regs, the other in memory.
	131	# Gcc emits different stabs for the two parameters; the first is
	132	# claimed to be a float, the second a double.
	133	# dbxout.c in gcc claims this is the desired behavior.
a0b3c4fd	134	setup_xfail "mn10300--"
c906108c	135	gdb_test "p t_float_values(3.14159,-2.3765)" " = 1"
a0b3c4fd	136	setup_xfail "mn10300--"
c906108c	137	gdb_test "p t_float_values(float_val1,float_val2)" " = 1"
a0b3c4fd	138	setup_xfail "mn10300--"
c906108c	139	gdb_test "p t_float_values(3.14159,float_val2)" " = 1"
a0b3c4fd	140	setup_xfail "mn10300--"
c906108c SS	141	gdb_test "p t_float_values(float_val1,-2.3765)" " = 1"
	142
	143	# Test passing of arguments which might not be widened.
	144	gdb_test "p t_float_values2(0.0,0.0)" " = 0"
	145
	146	# Although PR 5318 mentions SunOS specifically, this seems
	147	# to be a generic problem on quite a few platforms.
	148	if $prototypes then {
085dd6e6	149	setup_xfail "sparc--" "mips--*" 5318
c906108c SS	150	if {!$gcc_compiled} then {
	151	setup_xfail "alpha-dec-osf2" "i86--sysv4" 5318
	152	}
	153	}
	154	gdb_test "p t_float_values2(3.14159,float_val2)" " = 1"
	155	gdb_test "p t_small_values(1,2,3,4,5,6,7,8,9,10)" " = 55"
	156
	157	gdb_test "p t_double_values(0.0,0.0)" " = 0"
	158	gdb_test "p t_double_values(45.654,-67.66)" " = 1"
	159	gdb_test "p t_double_values(double_val1,double_val2)" " = 1"
	160	gdb_test "p t_double_values(45.654,double_val2)" " = 1"
	161	gdb_test "p t_double_values(double_val1,-67.66)" " = 1"
	162	}
	163
	164	gdb_test "p t_string_values(string_val2,string_val1)" " = 0"
	165	gdb_test "p t_string_values(string_val1,string_val2)" " = 1"
	166	gdb_test "p t_string_values(\"string 1\",\"string 2\")" " = 1"
	167	gdb_test "p t_string_values(\"string 1\",string_val2)" " = 1"
	168	gdb_test "p t_string_values(string_val1,\"string 2\")" " = 1"
	169
	170	gdb_test "p t_char_array_values(char_array_val2,char_array_val1)" " = 0"
	171	gdb_test "p t_char_array_values(char_array_val1,char_array_val2)" " = 1"
	172	gdb_test "p t_char_array_values(\"carray 1\",\"carray 2\")" " = 1"
	173	gdb_test "p t_char_array_values(\"carray 1\",char_array_val2)" " = 1"
	174	gdb_test "p t_char_array_values(char_array_val1,\"carray 2\")" " = 1"
	175
	176	gdb_test "p doubleit(4)" " = 8"
	177	gdb_test "p add(4,5)" " = 9"
	178	gdb_test "p t_func_values(func_val2,func_val1)" " = 0"
	179	gdb_test "p t_func_values(func_val1,func_val2)" " = 1"
	180
	181	# On the rs6000, we need to pass the address of the trampoline routine,
	182	# not the address of add itself. I don't know how to go from add to
	183	# the address of the trampoline. Similar problems exist on the HPPA,
	184	# and in fact can present an unsolvable problem as the stubs may not
	185	# even exist in the user's program. We've slightly recoded t_func_values
	186	# to avoid such problems in the common case. This may or may not help
	187	# the RS6000.
	188	setup_xfail "rs6000--*"
	189	setup_xfail "powerpc--*"
a0b3c4fd	190	if {![istarget hppa--hpux*]} then {
c906108c SS	191	gdb_test "p t_func_values(add,func_val2)" " = 1"
	192	}
	193
	194	setup_xfail "rs6000--*"
	195	setup_xfail "powerpc--*"
a0b3c4fd	196	if {![istarget hppa--hpux*]} then {
c906108c SS	197	gdb_test "p t_func_values(func_val1,doubleit)" " = 1"
	198	}
	199
c906108c SS	200	setup_xfail "rs6000--*"
c906108c SS	201	setup_xfail "powerpc--*"
a0b3c4fd	202	if {![istarget hppa--hpux*]} then {
c906108c SS	203	gdb_test "p t_call_add(add,3,4)" " = 7"
c906108c SS	204	}
a0b3c4fd	205	gdb_test "p t_call_add(func_val1,3,4)" " = 7"
c906108c SS	206
	207	gdb_test "p t_enum_value1(enumval1)" " = 1"
	208	gdb_test "p t_enum_value1(enum_val1)" " = 1"
	209	gdb_test "p t_enum_value1(enum_val2)" " = 0"
	210
	211	gdb_test "p t_enum_value2(enumval2)" " = 1"
	212	gdb_test "p t_enum_value2(enum_val2)" " = 1"
	213	gdb_test "p t_enum_value2(enum_val1)" " = 0"
	214
	215	gdb_test "p sum_args(1,{2})" " = 2"
	216	gdb_test "p sum_args(2,{2,3})" " = 5"
	217	gdb_test "p sum_args(3,{2,3,4})" " = 9"
	218	gdb_test "p sum_args(4,{2,3,4,5})" " = 14"
	219
	220	gdb_test "p sum10 (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)" " = 55"
	221
	222	gdb_test "p cmp10 (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)" " = 1"
	223
	224	gdb_test "p t_structs_c(struct_val1)" "= 120 'x'" \
	225	"call inferior func with struct - returns char"
	226	gdb_test "p t_structs_s(struct_val1)" "= 87" \
	227	"call inferior func with struct - returns short"
	228	gdb_test "p t_structs_i(struct_val1)" "= 76" \
	229	"call inferior func with struct - returns int"
	230	gdb_test "p t_structs_l(struct_val1)" "= 51" \
	231	"call inferior func with struct - returns long"
c906108c SS	232	gdb_test "p t_structs_f(struct_val1)" "= 2.12.*" \
c906108c SS	233	"call inferior func with struct - returns float"
c906108c SS	234	gdb_test "p t_structs_d(struct_val1)" "= 9.87.*" \
	235	"call inferior func with struct - returns double"
	236	gdb_test "p t_structs_a(struct_val1)" "= (.unsigned char .. )?\"foo\"" \
	237	"call inferior func with struct - returns char *"
	238	}
	239
c7db355b PS	240	# Procedure to get current content of all registers.
	241	global all_registers_content
	242	set all_registers_content ""
	243	proc do_get_all_registers { } {
	244	global gdb_prompt
	245	global expect_out
	246	global all_registers_content
	247
	248	set all_registers_content ""
	249	send_gdb "info all-registers\n"
	250	gdb_expect {
	251	-re "info all-registers\r\n(.*)$gdb_prompt $" {
	252	set all_registers_content $expect_out(1,string)
	253	}
	254	default {}
	255	}
	256	}
	257
c906108c SS	258	# Start with a fresh gdb.
	259
	260	gdb_exit
	261	gdb_start
	262	gdb_reinitialize_dir $srcdir/$subdir
	263	gdb_load ${binfile}
	264
	265	gdb_test "set print sevenbit-strings" ""
	266	gdb_test "set print address off" ""
	267	gdb_test "set width 0" ""
	268
085dd6e6 JM	269	if { $hp_aCC_compiler } {
	270	# Do not set language explicitly to 'C'. This will cause aCC
	271	# tests to fail because promotion rules are different. Just let
	272	# the language be set to the default.
	273
c906108c SS	274	if { ![runto_main] } {
	275	gdb_suppress_tests;
	276	}
085dd6e6 JM	277
	278	# However, turn off overload-resolution for aCC. Having it on causes
	279	# a lot of failures.
	280
	281	gdb_test "set overload-resolution 0" ".*"
	282	} else {
	283	if { ![set_lang_c] } {
	284	gdb_suppress_tests;
	285	} else {
	286	if { ![runto_main] } {
	287	gdb_suppress_tests;
	288	}
	289	}
c906108c SS	290	}
c906108c SS	291
c7db355b PS	292	# Make sure that malloc gets called and that the floating point unit
	293	# is initialized via a call to t_double_values.
	294	gdb_test "next" "t_double_values\\(double_val1, double_val2\\);.*"
c3f6f71d	295	gdb_test "next" "t_structs_c\\(struct_val1\\);.*"
c7db355b PS	296
	297	# Save all register contents.
	298	do_get_all_registers
	299	set old_reg_content $all_registers_content
	300
	301	# Perform function calls.
c906108c SS	302	do_function_calls
c906108c SS	303
c7db355b PS	304	# Check if all registers still have the same value.
	305	do_get_all_registers
	306	set new_reg_content $all_registers_content
	307	if ![string compare $old_reg_content $new_reg_content] then {
	308	pass "gdb function calls preserve register contents"
	309	} else {
	310	set old_reg_content $all_registers_content
	311	fail "gdb function calls preserve register contents"
	312	}
	313
	314	# Set breakpoint at a function we will call from gdb.
	315	gdb_breakpoint add
	316
	317	# Call function (causing a breakpoint hit in the call dummy) and do a continue,
	318	# make sure we are back at main and still have the same register contents.
	319	gdb_test "print add(4,5)" "The program being debugged stopped while.*" ""
	320	gdb_test "continue" "Continuing.*" "continue from call dummy breakpoint"
	321	if ![gdb_test "bt 2" \
	322	"#0 main.*" \
	323	"bt after continuing from call dummy breakpoint"] then {
	324	do_get_all_registers
	325	set new_reg_content $all_registers_content
	326	if ![string compare $old_reg_content $new_reg_content] then {
	327	pass "continue after stop in call dummy preserves register contents"
	328	} else {
	329	fail "continue after stop in call dummy preserves register contents"
	330	}
	331	}
	332
	333	# Call function (causing a breakpoint hit in the call dummy) and do a finish,
	334	# make sure we are back at main and still have the same register contents.
	335	gdb_test "print add(4,5)" "The program being debugged stopped while.*" ""
	336	gdb_test "finish" \
	337	"Value returned is.* = 9" \
	338	"finish from call dummy breakpoint returns correct value"
	339	if ![gdb_test "bt 2" \
	340	"#0 main.*" \
	341	"bt after finishing from call dummy breakpoint"] then {
	342	do_get_all_registers
	343	set new_reg_content $all_registers_content
	344	if ![string compare $old_reg_content $new_reg_content] then {
	345	pass "finish after stop in call dummy preserves register contents"
	346	} else {
	347	fail "finish after stop in call dummy preserves register contents"
	348	}
	349	}
	350
	351	# Call function (causing a breakpoint hit in the call dummy) and do a return
	352	# with a value, make sure we are back at main with the same register contents.
	353	gdb_test "print add(4,5)" "The program being debugged stopped while.*" ""
	354	if ![gdb_test "return 7" \
	355	"#0 main.*" \
	356	"back at main after return from call dummy breakpoint" \
	357	"Make add return now. .y or n.*" \
	358	"y"] then {
	359	do_get_all_registers
	360	set new_reg_content $all_registers_content
	361	if ![string compare $old_reg_content $new_reg_content] then {
	362	pass "return after stop in call dummy preserves register contents"
	363	} else {
	364	fail "return after stop in call dummy preserves register contents"
	365	}
	366	}
	367
c906108c	368	return 0