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

# Copyright 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
# 2004, 2007, 2008, 2009 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 3 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, see <http://www.gnu.org/licenses/>.

# 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}] != "" } {
     untested callfuncs.exp
     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;
}

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

# Some targets can't do function calls, 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 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 { ! [test_compiler_info gcc-*-*] } 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_float_many_args (float_val1, float_val2, float_val3, float_val4, float_val5, float_val6, float_val7, float_val8, float_val9, float_val10, float_val11, float_val12, float_val13, float_val14, float_val15)" " = 1" "Call function with many float arguments."

	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_double_many_args (double_val1, double_val2, double_val3, double_val4, double_val5, double_val6, double_val7, double_val8, double_val9, double_val10, double_val11, double_val12, double_val13, double_val14, double_val15)" " = 1" "Call function with many double arguments."

	gdb_test "p t_double_int(99.0, 1)" " = 0"
	gdb_test "p t_double_int(99.0, 99)" " = 1"
	gdb_test "p t_int_double(99, 1.0)" " = 0"
	gdb_test "p t_int_double(99, 99.0)" " = 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"

    gdb_test "p function_struct.func(5)" " = 10"
    gdb_test "p function_struct_ptr->func(10)" " = 20"

    # GDB currently screws up the passing of function parameters for
    # ABIs that use function descriptors.  Instead of passing the
    # address of te function descriptor, GDB passes the address of the
    # function body.  This results in the called function treating the
    # first few instructions of the function proper as a descriptor
    # and attempting a jump through that (a totally random address).
    setup_kfail "rs6000*-*-aix*" gdb/1457
    setup_kfail "powerpc*-*-aix*" gdb/1457
    setup_kfail hppa*-*-hpux* gdb/1457
    gdb_test "p t_func_values(add,func_val2)" " = 1"
    setup_kfail "rs6000*-*-aix*" gdb/1457
    setup_kfail "powerpc*-*-aix*" gdb/1457
    setup_kfail hppa*-*-hpux* gdb/1457
    gdb_test "p t_func_values(func_val1,doubleit)" " = 1"
    setup_kfail "rs6000*-*-aix*" gdb/1457
    setup_kfail "powerpc*-*-aix*" gdb/1457
    setup_kfail hppa*-*-hpux* gdb/1457
    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.
proc fetch_all_registers {test} {
    global gdb_prompt

    set all_registers_lines {}
    set bad -1
    # Former trailing `\[\r\n\]+' may eat just \r leaving \n in the buffer
    # corrupting the next matches.
    if {[gdb_test_multiple "info all-registers" $test {
	-re "info all-registers\r\n" {
	    exp_continue
	}
	-ex "The program has no registers now" {
	    set bad 1
	    exp_continue
	}
	-re "^bspstore\[ \t\]+\[^\r\n\]+\r\n" {
	    if [istarget "ia64-*-*"] {
		# Filter out bspstore which is specially tied to bsp,
		# giving spurious differences.
	    } else {
		lappend all_registers_lines $expect_out(0,string)
	    }
	    exp_continue
	}
	-re "^\[^ \t\]+\[ \t\]+\[^\r\n\]+\r\n" {
	    lappend all_registers_lines $expect_out(0,string)
	    exp_continue
	}
	-re "$gdb_prompt $" {
	    incr bad
	}
	-re "^\[^\r\n\]+\r\n" {
	    if {!$bad} {
		warning "Unrecognized output: $expect_out(0,string)"
		set bad 1
	    }
	    exp_continue
	}
    }] != 0} {
	return {}
    }

    if {$bad} {
	fail $test
	return {}
    }

    pass $test
    return $all_registers_lines
}


# 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;
	}
    }
}

get_debug_format

# 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\\);.*" \
  "next to t_double_values"
gdb_test "next" "t_structs_c\\(struct_val1\\);.*" \
  "next to t_structs_c"

# Save all register contents.
set old_reg_content [fetch_all_registers "retrieve original register contents"]

# Perform function calls.
do_function_calls

# Check if all registers still have the same value.
set new_reg_content [fetch_all_registers \
		     "register contents after gdb function calls"]
if {$old_reg_content == $new_reg_content} then {
    pass "gdb function calls preserve register contents"
} else {
    set old_reg_content $new_reg_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.*" \
	"stop at breakpoint in call dummy function"
gdb_test "continue" "Continuing.*" "continue from call dummy breakpoint"
if ![gdb_test "bt 2" \
	      "#0  main.*" \
	      "bt after continuing from call dummy breakpoint"] then {
    set new_reg_content [fetch_all_registers \
			 "register contents after stop in call dummy"]
    if {$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.*" \
	"call function causing a breakpoint then do a finish"
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 {
    set new_reg_content [fetch_all_registers \
			 "register contents after finish in call dummy"]
    if {$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.*" \
	"call function causing a breakpoint and then do a return"
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 {
    set new_reg_content [fetch_all_registers \
                         "register contents after return in call dummy"]
    if {$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"
    }
}

# Call function (causing a breakpoint hit in the call dummy), and
# call another function from the call dummy frame (thereby setting up
# several nested call dummy frames).  Test that backtrace and finish
# work when several call dummies are nested.
gdb_breakpoint sum10
gdb_breakpoint t_small_values
gdb_test "print add(2,3)" "The program being debugged stopped while.*" \
	"stop at nested call level 1"
gdb_test "backtrace" \
	"\#0  add \\(a=2, b=3\\).*\#1  <function called from gdb>.*\#2  main.*" \
	"backtrace at nested call level 1"
gdb_test "print add(4,5)" "The program being debugged stopped while.*" \
	"stop at nested call level 2"
gdb_test "backtrace" \
	"\#0  add \\(a=4, b=5\\).*\#1  <function called from gdb>.*\#2  add \\(a=2, b=3\\).*\#3  <function called from gdb>.*\#4  main.*" \
	"backtrace at nested call level 2"
gdb_test "print sum10(2,4,6,8,10,12,14,16,18,20)" \
	"The program being debugged stopped while.*" \
	"stop at nested call level 3"
gdb_test "backtrace" \
	"\#0  sum10 \\(i0=2, i1=4, i2=6, i3=8, i4=10, i5=12, i6=14, i7=16, i8=18, i9=20\\).*\#1  <function called from gdb>.*\#2  add \\(a=4, b=5\\).*\#3  <function called from gdb>.*\#4  add \\(a=2, b=3\\).*\#5  <function called from gdb>.*\#6  main.*" \
	"backtrace at nested call level 3"
gdb_test "print t_small_values(1,3,5,7,9,11,13,15,17,19)" \
	"The program being debugged stopped while.*" \
	"stop at nested call level 4"
gdb_test "backtrace" \
	"\#0  t_small_values \\(arg1=1 '.001', arg2=3, arg3=5, arg4=7 '.a', arg5=9, arg6=11 '.v', arg7=13, arg8=15, arg9=17, arg10=19\\).*\#2  sum10 \\(i0=2, i1=4, i2=6, i3=8, i4=10, i5=12, i6=14, i7=16, i8=18, i9=20\\).*\#3  <function called from gdb>.*\#4  add \\(a=4, b=5\\).*\#5  <function called from gdb>.*\#6  add \\(a=2, b=3\\).*\#7  <function called from gdb>.*\#8  main.*" \
	"backtrace at nested call level 4"
gdb_test "finish" "Value returned is .* = 100" \
	"Finish from nested call level 4"
gdb_test "backtrace" \
	"\#0  sum10 \\(i0=2, i1=4, i2=6, i3=8, i4=10, i5=12, i6=14, i7=16, i8=18, i9=20\\).*\#1  <function called from gdb>.*\#2  add \\(a=4, b=5\\).*\#3  <function called from gdb>.*\#4  add \\(a=2, b=3\\).*\#5  <function called from gdb>.*\#6  main.*" \
	"backtrace after finish from nested call level 4"
gdb_test "finish" "Value returned is .* = 110" \
	"Finish from nested call level 3"
gdb_test "backtrace" \
	"\#0  add \\(a=4, b=5\\).*\#1  <function called from gdb>.*\#2  add \\(a=2, b=3\\).*\#3  <function called from gdb>.*\#4  main.*" \
	"backtrace after finish from nested call level 3"
gdb_test "finish" "Value returned is .* = 9" \
	"Finish from nested call level 2"
gdb_test "backtrace" \
	"\#0  add \\(a=2, b=3\\).*\#1  <function called from gdb>.*\#2  main.*" \
	"backtrace after finish from nested call level 2"
gdb_test "finish" "Value returned is .* = 5" \
	"Finish from nested call level 1"
gdb_test "backtrace" "\#0  main .*" \
	"backtrace after finish from nested call level 1"

set new_reg_content [fetch_all_registers \
		     "register contents after nested call dummies"]
if {$old_reg_content == $new_reg_content} then {
    pass "nested call dummies preserve register contents"
} else {
    fail "nested call dummies preserve register contents"
}

return 0
Commit	Line	Data
6aba47ca	1	# Copyright 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
0fb0cc75	2	# 2004, 2007, 2008, 2009 Free Software Foundation, Inc.
c906108c SS	3
	4	# This program is free software; you can redistribute it and/or modify
	5	# it under the terms of the GNU General Public License as published by
e22f8b7c	6	# the Free Software Foundation; either version 3 of the License, or
c906108c	7	# (at your option) any later version.
e22f8b7c	8	#
c906108c SS	9	# This program is distributed in the hope that it will be useful,
	10	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	# GNU General Public License for more details.
e22f8b7c	13	#
c906108c	14	# You should have received a copy of the GNU General Public License
e22f8b7c	15	# along with this program. If not, see <http://www.gnu.org/licenses/>.
c906108c	16
c906108c SS	17	# This file was written by Fred Fish. (fnf@cygnus.com)
	18	# and modified by Bob Manson. (manson@cygnus.com)
	19
	20	if $tracelevel then {
	21	strace $tracelevel
	22	}
	23
	24	set prms_id 0
	25	set bug_id 0
	26
	27	set testfile "callfuncs"
	28	set srcfile ${testfile}.c
	29	set binfile ${objdir}/${subdir}/${testfile}
	30
c906108c	31	if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
b60f0898 JB	32	untested callfuncs.exp
b60f0898 JB	33	return -1
c906108c SS	34	}
	35
	36	# Create and source the file that provides information about the compiler
	37	# used to compile the test case.
	38
	39	if [get_compiler_info ${binfile}] {
	40	return -1;
	41	}
	42
085dd6e6 JM	43	if {$hp_aCC_compiler} {
	44	set prototypes 1
	45	} else {
	46	set prototypes 0
	47	}
	48
9fbfe2dc AC	49	# Some targets can't do function calls, so don't even bother with this
9fbfe2dc AC	50	# test.
c906108c SS	51	if [target_info exists gdb,cannot_call_functions] {
	52	setup_xfail "--*" 2416
	53	fail "This target can not call functions"
	54	continue
	55	}
	56
	57	# Set the current language to C. This counts as a test. If it
	58	# fails, then we skip the other tests.
	59
	60	proc set_lang_c {} {
	61	global gdb_prompt
	62
	63	send_gdb "set language c\n"
	64	gdb_expect {
	65	-re ".*$gdb_prompt $" {}
	66	timeout { fail "set language c (timeout)" ; return 0; }
	67	}
	68
	69	send_gdb "show language\n"
	70	gdb_expect {
	71	-re ".* source language is \"c\".*$gdb_prompt $" {
	72	pass "set language to \"c\""
	73	return 1
	74	}
	75	-re ".*$gdb_prompt $" {
	76	fail "setting language to \"c\""
	77	return 0
	78	}
	79	timeout {
	80	fail "can't show language (timeout)"
	81	return 0
	82	}
	83	}
	84	}
	85
	86	# FIXME: Before calling this proc, we should probably verify that
	87	# we can call inferior functions and get a valid integral value
	88	# returned.
	89	# Note that it is OK to check for 0 or 1 as the returned values, because C
	90	# specifies that the numeric value of a relational or logical expression
	91	# (computed in the inferior) is 1 for true and 0 for false.
	92
	93	proc do_function_calls {} {
	94	global prototypes
a0b3c4fd JM	95	global gdb_prompt
a0b3c4fd JM	96
c906108c SS	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.
a0b3c4fd	132	setup_xfail "mn10300--"
c906108c	133	gdb_test "p t_float_values(3.14159,-2.3765)" " = 1"
a0b3c4fd	134	setup_xfail "mn10300--"
c906108c	135	gdb_test "p t_float_values(float_val1,float_val2)" " = 1"
a0b3c4fd	136	setup_xfail "mn10300--"
c906108c	137	gdb_test "p t_float_values(3.14159,float_val2)" " = 1"
a0b3c4fd	138	setup_xfail "mn10300--"
c906108c SS	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 {
085dd6e6	147	setup_xfail "sparc--" "mips--*" 5318
96457b64	148	if { ! [test_compiler_info gcc--] } then {
c906108c SS	149	setup_xfail "alpha-dec-osf2" "i86--sysv4" 5318
	150	}
	151	}
0bc69509	152
c906108c	153	gdb_test "p t_float_values2(3.14159,float_val2)" " = 1"
0bc69509	154
1a4ca44a TJB	155	gdb_test "p t_float_many_args (float_val1, float_val2, float_val3, float_val4, float_val5, float_val6, float_val7, float_val8, float_val9, float_val10, float_val11, float_val12, float_val13, float_val14, float_val15)" " = 1" "Call function with many float arguments."
1a4ca44a TJB	156
c906108c SS	157	gdb_test "p t_small_values(1,2,3,4,5,6,7,8,9,10)" " = 55"
	158
	159	gdb_test "p t_double_values(0.0,0.0)" " = 0"
	160	gdb_test "p t_double_values(45.654,-67.66)" " = 1"
	161	gdb_test "p t_double_values(double_val1,double_val2)" " = 1"
	162	gdb_test "p t_double_values(45.654,double_val2)" " = 1"
	163	gdb_test "p t_double_values(double_val1,-67.66)" " = 1"
8d26208a	164
1a4ca44a TJB	165	gdb_test "p t_double_many_args (double_val1, double_val2, double_val3, double_val4, double_val5, double_val6, double_val7, double_val8, double_val9, double_val10, double_val11, double_val12, double_val13, double_val14, double_val15)" " = 1" "Call function with many double arguments."
1a4ca44a TJB	166
8d26208a DJ	167	gdb_test "p t_double_int(99.0, 1)" " = 0"
	168	gdb_test "p t_double_int(99.0, 99)" " = 1"
	169	gdb_test "p t_int_double(99, 1.0)" " = 0"
	170	gdb_test "p t_int_double(99, 99.0)" " = 1"
c906108c SS	171	}
	172
	173	gdb_test "p t_string_values(string_val2,string_val1)" " = 0"
	174	gdb_test "p t_string_values(string_val1,string_val2)" " = 1"
	175	gdb_test "p t_string_values(\"string 1\",\"string 2\")" " = 1"
	176	gdb_test "p t_string_values(\"string 1\",string_val2)" " = 1"
	177	gdb_test "p t_string_values(string_val1,\"string 2\")" " = 1"
	178
	179	gdb_test "p t_char_array_values(char_array_val2,char_array_val1)" " = 0"
	180	gdb_test "p t_char_array_values(char_array_val1,char_array_val2)" " = 1"
	181	gdb_test "p t_char_array_values(\"carray 1\",\"carray 2\")" " = 1"
	182	gdb_test "p t_char_array_values(\"carray 1\",char_array_val2)" " = 1"
	183	gdb_test "p t_char_array_values(char_array_val1,\"carray 2\")" " = 1"
	184
	185	gdb_test "p doubleit(4)" " = 8"
	186	gdb_test "p add(4,5)" " = 9"
	187	gdb_test "p t_func_values(func_val2,func_val1)" " = 0"
	188	gdb_test "p t_func_values(func_val1,func_val2)" " = 1"
	189
fa8de41e TT	190	gdb_test "p function_struct.func(5)" " = 10"
	191	gdb_test "p function_struct_ptr->func(10)" " = 20"
	192
eac98b22 AC	193	# GDB currently screws up the passing of function parameters for
	194	# ABIs that use function descriptors. Instead of passing the
	195	# address of te function descriptor, GDB passes the address of the
	196	# function body. This results in the called function treating the
	197	# first few instructions of the function proper as a descriptor
	198	# and attempting a jump through that (a totally random address).
	199	setup_kfail "rs6000--aix*" gdb/1457
	200	setup_kfail "powerpc--aix*" gdb/1457
eac98b22 AC	201	setup_kfail hppa--hpux* gdb/1457
	202	gdb_test "p t_func_values(add,func_val2)" " = 1"
	203	setup_kfail "rs6000--aix*" gdb/1457
	204	setup_kfail "powerpc--aix*" gdb/1457
eac98b22 AC	205	setup_kfail hppa--hpux* gdb/1457
	206	gdb_test "p t_func_values(func_val1,doubleit)" " = 1"
	207	setup_kfail "rs6000--aix*" gdb/1457
	208	setup_kfail "powerpc--aix*" gdb/1457
eac98b22 AC	209	setup_kfail hppa--hpux* gdb/1457
eac98b22 AC	210	gdb_test "p t_call_add(add,3,4)" " = 7"
a0b3c4fd	211	gdb_test "p t_call_add(func_val1,3,4)" " = 7"
c906108c SS	212
	213	gdb_test "p t_enum_value1(enumval1)" " = 1"
	214	gdb_test "p t_enum_value1(enum_val1)" " = 1"
	215	gdb_test "p t_enum_value1(enum_val2)" " = 0"
	216
	217	gdb_test "p t_enum_value2(enumval2)" " = 1"
	218	gdb_test "p t_enum_value2(enum_val2)" " = 1"
	219	gdb_test "p t_enum_value2(enum_val1)" " = 0"
	220
	221	gdb_test "p sum_args(1,{2})" " = 2"
	222	gdb_test "p sum_args(2,{2,3})" " = 5"
	223	gdb_test "p sum_args(3,{2,3,4})" " = 9"
	224	gdb_test "p sum_args(4,{2,3,4,5})" " = 14"
	225
	226	gdb_test "p sum10 (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)" " = 55"
	227
	228	gdb_test "p cmp10 (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)" " = 1"
	229
	230	gdb_test "p t_structs_c(struct_val1)" "= 120 'x'" \
	231	"call inferior func with struct - returns char"
	232	gdb_test "p t_structs_s(struct_val1)" "= 87" \
fd7832a6	233	"call inferior func with struct - returns short"
c906108c SS	234	gdb_test "p t_structs_i(struct_val1)" "= 76" \
	235	"call inferior func with struct - returns int"
	236	gdb_test "p t_structs_l(struct_val1)" "= 51" \
	237	"call inferior func with struct - returns long"
c906108c SS	238	gdb_test "p t_structs_f(struct_val1)" "= 2.12.*" \
c906108c SS	239	"call inferior func with struct - returns float"
c906108c SS	240	gdb_test "p t_structs_d(struct_val1)" "= 9.87.*" \
	241	"call inferior func with struct - returns double"
	242	gdb_test "p t_structs_a(struct_val1)" "= (.unsigned char .. )?\"foo\"" \
	243	"call inferior func with struct - returns char *"
	244	}
	245
c7db355b	246	# Procedure to get current content of all registers.
a2f1aeb4	247	proc fetch_all_registers {test} {
c7db355b	248	global gdb_prompt
c7db355b	249
a2f1aeb4 UW	250	set all_registers_lines {}
a2f1aeb4 UW	251	set bad -1
bcd5727b JK	252	# Former trailing `\[\r\n\]+' may eat just \r leaving \n in the buffer
bcd5727b JK	253	# corrupting the next matches.
a2f1aeb4	254	if {[gdb_test_multiple "info all-registers" $test {
bcd5727b	255	-re "info all-registers\r\n" {
a2f1aeb4 UW	256	exp_continue
	257	}
	258	-ex "The program has no registers now" {
	259	set bad 1
	260	exp_continue
	261	}
bcd5727b	262	-re "^bspstore\[ \t\]+\[^\r\n\]+\r\n" {
783e3e2f AS	263	if [istarget "ia64--"] {
	264	# Filter out bspstore which is specially tied to bsp,
	265	# giving spurious differences.
a2f1aeb4 UW	266	} else {
	267	lappend all_registers_lines $expect_out(0,string)
	268	}
	269	exp_continue
	270	}
bcd5727b	271	-re "^\[^ \t\]+\[ \t\]+\[^\r\n\]+\r\n" {
a2f1aeb4 UW	272	lappend all_registers_lines $expect_out(0,string)
	273	exp_continue
	274	}
bcd5727b	275	-re "$gdb_prompt $" {
a2f1aeb4 UW	276	incr bad
a2f1aeb4 UW	277	}
bcd5727b	278	-re "^\[^\r\n\]+\r\n" {
a2f1aeb4 UW	279	if {!$bad} {
	280	warning "Unrecognized output: $expect_out(0,string)"
	281	set bad 1
783e3e2f	282	}
a2f1aeb4	283	exp_continue
c7db355b	284	}
a2f1aeb4 UW	285	}] != 0} {
	286	return {}
	287	}
	288
	289	if {$bad} {
	290	fail $test
	291	return {}
c7db355b	292	}
a2f1aeb4 UW	293
	294	pass $test
	295	return $all_registers_lines
c7db355b PS	296	}
c7db355b PS	297
a2f1aeb4	298
c906108c SS	299	# Start with a fresh gdb.
	300
	301	gdb_exit
	302	gdb_start
	303	gdb_reinitialize_dir $srcdir/$subdir
	304	gdb_load ${binfile}
	305
	306	gdb_test "set print sevenbit-strings" ""
	307	gdb_test "set print address off" ""
	308	gdb_test "set width 0" ""
	309
085dd6e6 JM	310	if { $hp_aCC_compiler } {
	311	# Do not set language explicitly to 'C'. This will cause aCC
	312	# tests to fail because promotion rules are different. Just let
	313	# the language be set to the default.
	314
c906108c SS	315	if { ![runto_main] } {
	316	gdb_suppress_tests;
	317	}
085dd6e6 JM	318
	319	# However, turn off overload-resolution for aCC. Having it on causes
	320	# a lot of failures.
	321
	322	gdb_test "set overload-resolution 0" ".*"
	323	} else {
	324	if { ![set_lang_c] } {
	325	gdb_suppress_tests;
	326	} else {
	327	if { ![runto_main] } {
	328	gdb_suppress_tests;
	329	}
	330	}
c906108c SS	331	}
c906108c SS	332
0bc69509 JB	333	get_debug_format
0bc69509 JB	334
c7db355b PS	335	# Make sure that malloc gets called and that the floating point unit
c7db355b PS	336	# is initialized via a call to t_double_values.
7dbd117d MC	337	gdb_test "next" "t_double_values\\(double_val1, double_val2\\);.*" \
	338	"next to t_double_values"
	339	gdb_test "next" "t_structs_c\\(struct_val1\\);.*" \
	340	"next to t_structs_c"
c7db355b PS	341
c7db355b PS	342	# Save all register contents.
a2f1aeb4	343	set old_reg_content [fetch_all_registers "retrieve original register contents"]
c7db355b PS	344
c7db355b PS	345	# Perform function calls.
c906108c SS	346	do_function_calls
c906108c SS	347
c7db355b	348	# Check if all registers still have the same value.
a2f1aeb4 UW	349	set new_reg_content [fetch_all_registers \
	350	"register contents after gdb function calls"]
	351	if {$old_reg_content == $new_reg_content} then {
c7db355b PS	352	pass "gdb function calls preserve register contents"
c7db355b PS	353	} else {
a2f1aeb4	354	set old_reg_content $new_reg_content
c7db355b PS	355	fail "gdb function calls preserve register contents"
	356	}
	357
	358	# Set breakpoint at a function we will call from gdb.
	359	gdb_breakpoint add
	360
	361	# Call function (causing a breakpoint hit in the call dummy) and do a continue,
	362	# make sure we are back at main and still have the same register contents.
db62520a MS	363	gdb_test "print add(4,5)" \
	364	"The program being debugged stopped while.*" \
	365	"stop at breakpoint in call dummy function"
c7db355b PS	366	gdb_test "continue" "Continuing.*" "continue from call dummy breakpoint"
	367	if ![gdb_test "bt 2" \
	368	"#0 main.*" \
	369	"bt after continuing from call dummy breakpoint"] then {
a2f1aeb4 UW	370	set new_reg_content [fetch_all_registers \
	371	"register contents after stop in call dummy"]
	372	if {$old_reg_content == $new_reg_content} then {
c7db355b PS	373	pass "continue after stop in call dummy preserves register contents"
	374	} else {
	375	fail "continue after stop in call dummy preserves register contents"
	376	}
	377	}
	378
	379	# Call function (causing a breakpoint hit in the call dummy) and do a finish,
	380	# make sure we are back at main and still have the same register contents.
ed4c619a AC	381	gdb_test "print add(4,5)" "The program being debugged stopped while.*" \
ed4c619a AC	382	"call function causing a breakpoint then do a finish"
c7db355b	383	gdb_test "finish" \
9549d9c1	384	"Value returned is .* = 9" \
c7db355b PS	385	"finish from call dummy breakpoint returns correct value"
	386	if ![gdb_test "bt 2" \
	387	"#0 main.*" \
	388	"bt after finishing from call dummy breakpoint"] then {
a2f1aeb4 UW	389	set new_reg_content [fetch_all_registers \
	390	"register contents after finish in call dummy"]
	391	if {$old_reg_content == $new_reg_content} then {
c7db355b PS	392	pass "finish after stop in call dummy preserves register contents"
	393	} else {
	394	fail "finish after stop in call dummy preserves register contents"
	395	}
	396	}
	397
	398	# Call function (causing a breakpoint hit in the call dummy) and do a return
	399	# with a value, make sure we are back at main with the same register contents.
ed4c619a AC	400	gdb_test "print add(4,5)" "The program being debugged stopped while.*" \
ed4c619a AC	401	"call function causing a breakpoint and then do a return"
c7db355b PS	402	if ![gdb_test "return 7" \
	403	"#0 main.*" \
	404	"back at main after return from call dummy breakpoint" \
	405	"Make add return now. .y or n.*" \
	406	"y"] then {
a2f1aeb4 UW	407	set new_reg_content [fetch_all_registers \
	408	"register contents after return in call dummy"]
	409	if {$old_reg_content == $new_reg_content} then {
c7db355b PS	410	pass "return after stop in call dummy preserves register contents"
	411	} else {
	412	fail "return after stop in call dummy preserves register contents"
	413	}
	414	}
	415
db62520a MS	416	# Call function (causing a breakpoint hit in the call dummy), and
	417	# call another function from the call dummy frame (thereby setting up
	418	# several nested call dummy frames). Test that backtrace and finish
	419	# work when several call dummies are nested.
	420	gdb_breakpoint sum10
	421	gdb_breakpoint t_small_values
	422	gdb_test "print add(2,3)" "The program being debugged stopped while.*" \
	423	"stop at nested call level 1"
	424	gdb_test "backtrace" \
	425	"\#0 add \\(a=2, b=3\\).\#1 <function called from gdb>.\#2 main.*" \
	426	"backtrace at nested call level 1"
	427	gdb_test "print add(4,5)" "The program being debugged stopped while.*" \
	428	"stop at nested call level 2"
	429	gdb_test "backtrace" \
	430	"\#0 add \\(a=4, b=5\\).\#1 <function called from gdb>.\#2 add \\(a=2, b=3\\).\#3 <function called from gdb>.\#4 main.*" \
	431	"backtrace at nested call level 2"
	432	gdb_test "print sum10(2,4,6,8,10,12,14,16,18,20)" \
	433	"The program being debugged stopped while.*" \
	434	"stop at nested call level 3"
	435	gdb_test "backtrace" \
	436	"\#0 sum10 \\(i0=2, i1=4, i2=6, i3=8, i4=10, i5=12, i6=14, i7=16, i8=18, i9=20\\).\#1 <function called from gdb>.\#2 add \\(a=4, b=5\\).\#3 <function called from gdb>.\#4 add \\(a=2, b=3\\).\#5 <function called from gdb>.\#6 main.*" \
	437	"backtrace at nested call level 3"
	438	gdb_test "print t_small_values(1,3,5,7,9,11,13,15,17,19)" \
	439	"The program being debugged stopped while.*" \
	440	"stop at nested call level 4"
	441	gdb_test "backtrace" \
30b66ecc	442	"\#0 t_small_values \\(arg1=1 '.001', arg2=3, arg3=5, arg4=7 '.a', arg5=9, arg6=11 '.v', arg7=13, arg8=15, arg9=17, arg10=19\\).\#2 sum10 \\(i0=2, i1=4, i2=6, i3=8, i4=10, i5=12, i6=14, i7=16, i8=18, i9=20\\).\#3 <function called from gdb>.\#4 add \\(a=4, b=5\\).\#5 <function called from gdb>.\#6 add \\(a=2, b=3\\).\#7 <function called from gdb>.\#8 main." \
db62520a MS	443	"backtrace at nested call level 4"
	444	gdb_test "finish" "Value returned is .* = 100" \
	445	"Finish from nested call level 4"
	446	gdb_test "backtrace" \
	447	"\#0 sum10 \\(i0=2, i1=4, i2=6, i3=8, i4=10, i5=12, i6=14, i7=16, i8=18, i9=20\\).\#1 <function called from gdb>.\#2 add \\(a=4, b=5\\).\#3 <function called from gdb>.\#4 add \\(a=2, b=3\\).\#5 <function called from gdb>.\#6 main.*" \
	448	"backtrace after finish from nested call level 4"
	449	gdb_test "finish" "Value returned is .* = 110" \
	450	"Finish from nested call level 3"
	451	gdb_test "backtrace" \
	452	"\#0 add \\(a=4, b=5\\).\#1 <function called from gdb>.\#2 add \\(a=2, b=3\\).\#3 <function called from gdb>.\#4 main.*" \
	453	"backtrace after finish from nested call level 3"
	454	gdb_test "finish" "Value returned is .* = 9" \
	455	"Finish from nested call level 2"
	456	gdb_test "backtrace" \
	457	"\#0 add \\(a=2, b=3\\).\#1 <function called from gdb>.\#2 main.*" \
	458	"backtrace after finish from nested call level 2"
	459	gdb_test "finish" "Value returned is .* = 5" \
	460	"Finish from nested call level 1"
	461	gdb_test "backtrace" "\#0 main .*" \
	462	"backtrace after finish from nested call level 1"
	463
a2f1aeb4 UW	464	set new_reg_content [fetch_all_registers \
	465	"register contents after nested call dummies"]
	466	if {$old_reg_content == $new_reg_content} then {
db62520a MS	467	pass "nested call dummies preserve register contents"
	468	} else {
	469	fail "nested call dummies preserve register contents"
	470	}
	471
c906108c	472	return 0
db62520a	473