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

# Copyright 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
# 2004, 2007 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/>.

# 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}] != "" } {
     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_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_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 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
    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 DJ	1	# Copyright 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
6aba47ca DJ	2	# 2004, 2007 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 SS	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}] != "" } {
b60f0898 JB	35	untested callfuncs.exp
b60f0898 JB	36	return -1
c906108c SS	37	}
	38
	39	# Create and source the file that provides information about the compiler
	40	# used to compile the test case.
	41
	42	if [get_compiler_info ${binfile}] {
	43	return -1;
	44	}
	45
085dd6e6 JM	46	if {$hp_aCC_compiler} {
	47	set prototypes 1
	48	} else {
	49	set prototypes 0
	50	}
	51
9fbfe2dc AC	52	# Some targets can't do function calls, so don't even bother with this
9fbfe2dc AC	53	# test.
c906108c SS	54	if [target_info exists gdb,cannot_call_functions] {
	55	setup_xfail "--*" 2416
	56	fail "This target can not call functions"
	57	continue
	58	}
	59
	60	# Set the current language to C. This counts as a test. If it
	61	# fails, then we skip the other tests.
	62
	63	proc set_lang_c {} {
	64	global gdb_prompt
	65
	66	send_gdb "set language c\n"
	67	gdb_expect {
	68	-re ".*$gdb_prompt $" {}
	69	timeout { fail "set language c (timeout)" ; return 0; }
	70	}
	71
	72	send_gdb "show language\n"
	73	gdb_expect {
	74	-re ".* source language is \"c\".*$gdb_prompt $" {
	75	pass "set language to \"c\""
	76	return 1
	77	}
	78	-re ".*$gdb_prompt $" {
	79	fail "setting language to \"c\""
	80	return 0
	81	}
	82	timeout {
	83	fail "can't show language (timeout)"
	84	return 0
	85	}
	86	}
	87	}
	88
	89	# FIXME: Before calling this proc, we should probably verify that
	90	# we can call inferior functions and get a valid integral value
	91	# returned.
	92	# Note that it is OK to check for 0 or 1 as the returned values, because C
	93	# specifies that the numeric value of a relational or logical expression
	94	# (computed in the inferior) is 1 for true and 0 for false.
	95
	96	proc do_function_calls {} {
	97	global prototypes
a0b3c4fd JM	98	global gdb_prompt
a0b3c4fd JM	99
c906108c SS	100	# We need to up this because this can be really slow on some boards.
	101	set timeout 60;
	102
	103	gdb_test "p t_char_values(0,0)" " = 0"
	104	gdb_test "p t_char_values('a','b')" " = 1"
	105	gdb_test "p t_char_values(char_val1,char_val2)" " = 1"
	106	gdb_test "p t_char_values('a',char_val2)" " = 1"
	107	gdb_test "p t_char_values(char_val1,'b')" " = 1"
	108
	109	gdb_test "p t_short_values(0,0)" " = 0"
	110	gdb_test "p t_short_values(10,-23)" " = 1"
	111	gdb_test "p t_short_values(short_val1,short_val2)" " = 1"
	112	gdb_test "p t_short_values(10,short_val2)" " = 1"
	113	gdb_test "p t_short_values(short_val1,-23)" " = 1"
	114
	115	gdb_test "p t_int_values(0,0)" " = 0"
	116	gdb_test "p t_int_values(87,-26)" " = 1"
	117	gdb_test "p t_int_values(int_val1,int_val2)" " = 1"
	118	gdb_test "p t_int_values(87,int_val2)" " = 1"
	119	gdb_test "p t_int_values(int_val1,-26)" " = 1"
	120
	121	gdb_test "p t_long_values(0,0)" " = 0"
	122	gdb_test "p t_long_values(789,-321)" " = 1"
	123	gdb_test "p t_long_values(long_val1,long_val2)" " = 1"
	124	gdb_test "p t_long_values(789,long_val2)" " = 1"
	125	gdb_test "p t_long_values(long_val1,-321)" " = 1"
	126
	127	if ![target_info exists gdb,skip_float_tests] {
	128	gdb_test "p t_float_values(0.0,0.0)" " = 0"
	129
	130	# These next four tests fail on the mn10300.
	131	# The first value is passed in regs, the other in memory.
	132	# Gcc emits different stabs for the two parameters; the first is
	133	# claimed to be a float, the second a double.
	134	# dbxout.c in gcc claims this is the desired behavior.
a0b3c4fd	135	setup_xfail "mn10300--"
c906108c	136	gdb_test "p t_float_values(3.14159,-2.3765)" " = 1"
a0b3c4fd	137	setup_xfail "mn10300--"
c906108c	138	gdb_test "p t_float_values(float_val1,float_val2)" " = 1"
a0b3c4fd	139	setup_xfail "mn10300--"
c906108c	140	gdb_test "p t_float_values(3.14159,float_val2)" " = 1"
a0b3c4fd	141	setup_xfail "mn10300--"
c906108c SS	142	gdb_test "p t_float_values(float_val1,-2.3765)" " = 1"
	143
	144	# Test passing of arguments which might not be widened.
	145	gdb_test "p t_float_values2(0.0,0.0)" " = 0"
	146
	147	# Although PR 5318 mentions SunOS specifically, this seems
	148	# to be a generic problem on quite a few platforms.
	149	if $prototypes then {
085dd6e6	150	setup_xfail "sparc--" "mips--*" 5318
96457b64	151	if { ! [test_compiler_info gcc--] } then {
c906108c SS	152	setup_xfail "alpha-dec-osf2" "i86--sysv4" 5318
	153	}
	154	}
0bc69509	155
c906108c	156	gdb_test "p t_float_values2(3.14159,float_val2)" " = 1"
0bc69509	157
c906108c SS	158	gdb_test "p t_small_values(1,2,3,4,5,6,7,8,9,10)" " = 55"
	159
	160	gdb_test "p t_double_values(0.0,0.0)" " = 0"
	161	gdb_test "p t_double_values(45.654,-67.66)" " = 1"
	162	gdb_test "p t_double_values(double_val1,double_val2)" " = 1"
	163	gdb_test "p t_double_values(45.654,double_val2)" " = 1"
	164	gdb_test "p t_double_values(double_val1,-67.66)" " = 1"
8d26208a DJ	165
	166	gdb_test "p t_double_int(99.0, 1)" " = 0"
	167	gdb_test "p t_double_int(99.0, 99)" " = 1"
	168	gdb_test "p t_int_double(99, 1.0)" " = 0"
	169	gdb_test "p t_int_double(99, 99.0)" " = 1"
c906108c SS	170	}
	171
	172	gdb_test "p t_string_values(string_val2,string_val1)" " = 0"
	173	gdb_test "p t_string_values(string_val1,string_val2)" " = 1"
	174	gdb_test "p t_string_values(\"string 1\",\"string 2\")" " = 1"
	175	gdb_test "p t_string_values(\"string 1\",string_val2)" " = 1"
	176	gdb_test "p t_string_values(string_val1,\"string 2\")" " = 1"
	177
	178	gdb_test "p t_char_array_values(char_array_val2,char_array_val1)" " = 0"
	179	gdb_test "p t_char_array_values(char_array_val1,char_array_val2)" " = 1"
	180	gdb_test "p t_char_array_values(\"carray 1\",\"carray 2\")" " = 1"
	181	gdb_test "p t_char_array_values(\"carray 1\",char_array_val2)" " = 1"
	182	gdb_test "p t_char_array_values(char_array_val1,\"carray 2\")" " = 1"
	183
	184	gdb_test "p doubleit(4)" " = 8"
	185	gdb_test "p add(4,5)" " = 9"
	186	gdb_test "p t_func_values(func_val2,func_val1)" " = 0"
	187	gdb_test "p t_func_values(func_val1,func_val2)" " = 1"
	188
eac98b22 AC	189	# GDB currently screws up the passing of function parameters for
	190	# ABIs that use function descriptors. Instead of passing the
	191	# address of te function descriptor, GDB passes the address of the
	192	# function body. This results in the called function treating the
	193	# first few instructions of the function proper as a descriptor
	194	# and attempting a jump through that (a totally random address).
	195	setup_kfail "rs6000--aix*" gdb/1457
	196	setup_kfail "powerpc--aix*" gdb/1457
eac98b22 AC	197	setup_kfail hppa--hpux* gdb/1457
	198	gdb_test "p t_func_values(add,func_val2)" " = 1"
	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(func_val1,doubleit)" " = 1"
	203	setup_kfail "rs6000--aix*" gdb/1457
	204	setup_kfail "powerpc--aix*" gdb/1457
eac98b22 AC	205	setup_kfail hppa--hpux* gdb/1457
eac98b22 AC	206	gdb_test "p t_call_add(add,3,4)" " = 7"
a0b3c4fd	207	gdb_test "p t_call_add(func_val1,3,4)" " = 7"
c906108c SS	208
	209	gdb_test "p t_enum_value1(enumval1)" " = 1"
	210	gdb_test "p t_enum_value1(enum_val1)" " = 1"
	211	gdb_test "p t_enum_value1(enum_val2)" " = 0"
	212
	213	gdb_test "p t_enum_value2(enumval2)" " = 1"
	214	gdb_test "p t_enum_value2(enum_val2)" " = 1"
	215	gdb_test "p t_enum_value2(enum_val1)" " = 0"
	216
	217	gdb_test "p sum_args(1,{2})" " = 2"
	218	gdb_test "p sum_args(2,{2,3})" " = 5"
	219	gdb_test "p sum_args(3,{2,3,4})" " = 9"
	220	gdb_test "p sum_args(4,{2,3,4,5})" " = 14"
	221
	222	gdb_test "p sum10 (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)" " = 55"
	223
	224	gdb_test "p cmp10 (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)" " = 1"
	225
	226	gdb_test "p t_structs_c(struct_val1)" "= 120 'x'" \
	227	"call inferior func with struct - returns char"
	228	gdb_test "p t_structs_s(struct_val1)" "= 87" \
fd7832a6	229	"call inferior func with struct - returns short"
c906108c SS	230	gdb_test "p t_structs_i(struct_val1)" "= 76" \
	231	"call inferior func with struct - returns int"
	232	gdb_test "p t_structs_l(struct_val1)" "= 51" \
	233	"call inferior func with struct - returns long"
c906108c SS	234	gdb_test "p t_structs_f(struct_val1)" "= 2.12.*" \
c906108c SS	235	"call inferior func with struct - returns float"
c906108c SS	236	gdb_test "p t_structs_d(struct_val1)" "= 9.87.*" \
	237	"call inferior func with struct - returns double"
	238	gdb_test "p t_structs_a(struct_val1)" "= (.unsigned char .. )?\"foo\"" \
	239	"call inferior func with struct - returns char *"
	240	}
	241
c7db355b	242	# Procedure to get current content of all registers.
a2f1aeb4	243	proc fetch_all_registers {test} {
c7db355b	244	global gdb_prompt
c7db355b	245
a2f1aeb4 UW	246	set all_registers_lines {}
	247	set bad -1
	248	if {[gdb_test_multiple "info all-registers" $test {
	249	-re "info all-registers\[\r\n\]+" {
	250	exp_continue
	251	}
	252	-ex "The program has no registers now" {
	253	set bad 1
	254	exp_continue
	255	}
	256	-re "^bspstore\[ \t\]+\[^\r\n\]+\[\r\n\]+" {
783e3e2f AS	257	if [istarget "ia64--"] {
	258	# Filter out bspstore which is specially tied to bsp,
	259	# giving spurious differences.
a2f1aeb4 UW	260	} else {
	261	lappend all_registers_lines $expect_out(0,string)
	262	}
	263	exp_continue
	264	}
	265	-re "^\[^ \t\]+\[ \t\]+\[^\r\n\]+\[\r\n\]+" {
	266	lappend all_registers_lines $expect_out(0,string)
	267	exp_continue
	268	}
	269	-re ".*$gdb_prompt $" {
	270	incr bad
	271	}
	272	-re "^\[^\r\n\]+\[\r\n\]+" {
	273	if {!$bad} {
	274	warning "Unrecognized output: $expect_out(0,string)"
	275	set bad 1
783e3e2f	276	}
a2f1aeb4	277	exp_continue
c7db355b	278	}
a2f1aeb4 UW	279	}] != 0} {
	280	return {}
	281	}
	282
	283	if {$bad} {
	284	fail $test
	285	return {}
c7db355b	286	}
a2f1aeb4 UW	287
	288	pass $test
	289	return $all_registers_lines
c7db355b PS	290	}
c7db355b PS	291
a2f1aeb4	292
c906108c SS	293	# Start with a fresh gdb.
	294
	295	gdb_exit
	296	gdb_start
	297	gdb_reinitialize_dir $srcdir/$subdir
	298	gdb_load ${binfile}
	299
	300	gdb_test "set print sevenbit-strings" ""
	301	gdb_test "set print address off" ""
	302	gdb_test "set width 0" ""
	303
085dd6e6 JM	304	if { $hp_aCC_compiler } {
	305	# Do not set language explicitly to 'C'. This will cause aCC
	306	# tests to fail because promotion rules are different. Just let
	307	# the language be set to the default.
	308
c906108c SS	309	if { ![runto_main] } {
	310	gdb_suppress_tests;
	311	}
085dd6e6 JM	312
	313	# However, turn off overload-resolution for aCC. Having it on causes
	314	# a lot of failures.
	315
	316	gdb_test "set overload-resolution 0" ".*"
	317	} else {
	318	if { ![set_lang_c] } {
	319	gdb_suppress_tests;
	320	} else {
	321	if { ![runto_main] } {
	322	gdb_suppress_tests;
	323	}
	324	}
c906108c SS	325	}
c906108c SS	326
0bc69509 JB	327	get_debug_format
0bc69509 JB	328
c7db355b PS	329	# Make sure that malloc gets called and that the floating point unit
c7db355b PS	330	# is initialized via a call to t_double_values.
7dbd117d MC	331	gdb_test "next" "t_double_values\\(double_val1, double_val2\\);.*" \
	332	"next to t_double_values"
	333	gdb_test "next" "t_structs_c\\(struct_val1\\);.*" \
	334	"next to t_structs_c"
c7db355b PS	335
c7db355b PS	336	# Save all register contents.
a2f1aeb4	337	set old_reg_content [fetch_all_registers "retrieve original register contents"]
c7db355b PS	338
c7db355b PS	339	# Perform function calls.
c906108c SS	340	do_function_calls
c906108c SS	341
c7db355b	342	# Check if all registers still have the same value.
a2f1aeb4 UW	343	set new_reg_content [fetch_all_registers \
	344	"register contents after gdb function calls"]
	345	if {$old_reg_content == $new_reg_content} then {
c7db355b PS	346	pass "gdb function calls preserve register contents"
c7db355b PS	347	} else {
a2f1aeb4	348	set old_reg_content $new_reg_content
c7db355b PS	349	fail "gdb function calls preserve register contents"
	350	}
	351
	352	# Set breakpoint at a function we will call from gdb.
	353	gdb_breakpoint add
	354
	355	# Call function (causing a breakpoint hit in the call dummy) and do a continue,
	356	# make sure we are back at main and still have the same register contents.
db62520a MS	357	gdb_test "print add(4,5)" \
	358	"The program being debugged stopped while.*" \
	359	"stop at breakpoint in call dummy function"
c7db355b PS	360	gdb_test "continue" "Continuing.*" "continue from call dummy breakpoint"
	361	if ![gdb_test "bt 2" \
	362	"#0 main.*" \
	363	"bt after continuing from call dummy breakpoint"] then {
a2f1aeb4 UW	364	set new_reg_content [fetch_all_registers \
	365	"register contents after stop in call dummy"]
	366	if {$old_reg_content == $new_reg_content} then {
c7db355b PS	367	pass "continue after stop in call dummy preserves register contents"
	368	} else {
	369	fail "continue after stop in call dummy preserves register contents"
	370	}
	371	}
	372
	373	# Call function (causing a breakpoint hit in the call dummy) and do a finish,
	374	# make sure we are back at main and still have the same register contents.
ed4c619a AC	375	gdb_test "print add(4,5)" "The program being debugged stopped while.*" \
ed4c619a AC	376	"call function causing a breakpoint then do a finish"
c7db355b	377	gdb_test "finish" \
9549d9c1	378	"Value returned is .* = 9" \
c7db355b PS	379	"finish from call dummy breakpoint returns correct value"
	380	if ![gdb_test "bt 2" \
	381	"#0 main.*" \
	382	"bt after finishing from call dummy breakpoint"] then {
a2f1aeb4 UW	383	set new_reg_content [fetch_all_registers \
	384	"register contents after finish in call dummy"]
	385	if {$old_reg_content == $new_reg_content} then {
c7db355b PS	386	pass "finish after stop in call dummy preserves register contents"
	387	} else {
	388	fail "finish after stop in call dummy preserves register contents"
	389	}
	390	}
	391
	392	# Call function (causing a breakpoint hit in the call dummy) and do a return
	393	# with a value, make sure we are back at main with the same register contents.
ed4c619a AC	394	gdb_test "print add(4,5)" "The program being debugged stopped while.*" \
ed4c619a AC	395	"call function causing a breakpoint and then do a return"
c7db355b PS	396	if ![gdb_test "return 7" \
	397	"#0 main.*" \
	398	"back at main after return from call dummy breakpoint" \
	399	"Make add return now. .y or n.*" \
	400	"y"] then {
a2f1aeb4 UW	401	set new_reg_content [fetch_all_registers \
	402	"register contents after return in call dummy"]
	403	if {$old_reg_content == $new_reg_content} then {
c7db355b PS	404	pass "return after stop in call dummy preserves register contents"
	405	} else {
	406	fail "return after stop in call dummy preserves register contents"
	407	}
	408	}
	409
db62520a MS	410	# Call function (causing a breakpoint hit in the call dummy), and
	411	# call another function from the call dummy frame (thereby setting up
	412	# several nested call dummy frames). Test that backtrace and finish
	413	# work when several call dummies are nested.
	414	gdb_breakpoint sum10
	415	gdb_breakpoint t_small_values
	416	gdb_test "print add(2,3)" "The program being debugged stopped while.*" \
	417	"stop at nested call level 1"
	418	gdb_test "backtrace" \
	419	"\#0 add \\(a=2, b=3\\).\#1 <function called from gdb>.\#2 main.*" \
	420	"backtrace at nested call level 1"
	421	gdb_test "print add(4,5)" "The program being debugged stopped while.*" \
	422	"stop at nested call level 2"
	423	gdb_test "backtrace" \
	424	"\#0 add \\(a=4, b=5\\).\#1 <function called from gdb>.\#2 add \\(a=2, b=3\\).\#3 <function called from gdb>.\#4 main.*" \
	425	"backtrace at nested call level 2"
	426	gdb_test "print sum10(2,4,6,8,10,12,14,16,18,20)" \
	427	"The program being debugged stopped while.*" \
	428	"stop at nested call level 3"
	429	gdb_test "backtrace" \
	430	"\#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.*" \
	431	"backtrace at nested call level 3"
	432	gdb_test "print t_small_values(1,3,5,7,9,11,13,15,17,19)" \
	433	"The program being debugged stopped while.*" \
	434	"stop at nested call level 4"
	435	gdb_test "backtrace" \
99ebe9ac	436	"\#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	437	"backtrace at nested call level 4"
	438	gdb_test "finish" "Value returned is .* = 100" \
	439	"Finish from nested call level 4"
	440	gdb_test "backtrace" \
	441	"\#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.*" \
	442	"backtrace after finish from nested call level 4"
	443	gdb_test "finish" "Value returned is .* = 110" \
	444	"Finish from nested call level 3"
	445	gdb_test "backtrace" \
	446	"\#0 add \\(a=4, b=5\\).\#1 <function called from gdb>.\#2 add \\(a=2, b=3\\).\#3 <function called from gdb>.\#4 main.*" \
	447	"backtrace after finish from nested call level 3"
	448	gdb_test "finish" "Value returned is .* = 9" \
	449	"Finish from nested call level 2"
	450	gdb_test "backtrace" \
	451	"\#0 add \\(a=2, b=3\\).\#1 <function called from gdb>.\#2 main.*" \
	452	"backtrace after finish from nested call level 2"
	453	gdb_test "finish" "Value returned is .* = 5" \
	454	"Finish from nested call level 1"
	455	gdb_test "backtrace" "\#0 main .*" \
	456	"backtrace after finish from nested call level 1"
	457
a2f1aeb4 UW	458	set new_reg_content [fetch_all_registers \
	459	"register contents after nested call dummies"]
	460	if {$old_reg_content == $new_reg_content} then {
db62520a MS	461	pass "nested call dummies preserve register contents"
	462	} else {
	463	fail "nested call dummies preserve register contents"
	464	}
	465
c906108c	466	return 0
db62520a	467