[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 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}] != "" } {
     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_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
	6	# the Free Software Foundation; either version 2 of the License, or
	7	# (at your option) any later version.
	8	#
	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.
	13	#
	14	# You should have received a copy of the GNU General Public License
	15	# along with this program; if not, write to the Free Software
	16	# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
	17
	18	# Please email any bugs, comments, and/or additions to this file to:
	19	# bug-gdb@prep.ai.mit.edu
	20
	21	# This file was written by Fred Fish. (fnf@cygnus.com)
	22	# and modified by Bob Manson. (manson@cygnus.com)
	23
	24	if $tracelevel then {
	25	strace $tracelevel
	26	}
	27
	28	set prms_id 0
	29	set bug_id 0
	30
	31	set testfile "callfuncs"
	32	set srcfile ${testfile}.c
	33	set binfile ${objdir}/${subdir}/${testfile}
	34
c906108c	35	if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
b60f0898 JB	36	untested callfuncs.exp
b60f0898 JB	37	return -1
c906108c SS	38	}
	39
	40	# Create and source the file that provides information about the compiler
	41	# used to compile the test case.
	42
	43	if [get_compiler_info ${binfile}] {
	44	return -1;
	45	}
	46
085dd6e6 JM	47	if {$hp_aCC_compiler} {
	48	set prototypes 1
	49	} else {
	50	set prototypes 0
	51	}
	52
9fbfe2dc AC	53	# Some targets can't do function calls, so don't even bother with this
9fbfe2dc AC	54	# test.
c906108c SS	55	if [target_info exists gdb,cannot_call_functions] {
	56	setup_xfail "--*" 2416
	57	fail "This target can not call functions"
	58	continue
	59	}
	60
	61	# Set the current language to C. This counts as a test. If it
	62	# fails, then we skip the other tests.
	63
	64	proc set_lang_c {} {
	65	global gdb_prompt
	66
	67	send_gdb "set language c\n"
	68	gdb_expect {
	69	-re ".*$gdb_prompt $" {}
	70	timeout { fail "set language c (timeout)" ; return 0; }
	71	}
	72
	73	send_gdb "show language\n"
	74	gdb_expect {
	75	-re ".* source language is \"c\".*$gdb_prompt $" {
	76	pass "set language to \"c\""
	77	return 1
	78	}
	79	-re ".*$gdb_prompt $" {
	80	fail "setting language to \"c\""
	81	return 0
	82	}
	83	timeout {
	84	fail "can't show language (timeout)"
	85	return 0
	86	}
	87	}
	88	}
	89
	90	# FIXME: Before calling this proc, we should probably verify that
	91	# we can call inferior functions and get a valid integral value
	92	# returned.
	93	# Note that it is OK to check for 0 or 1 as the returned values, because C
	94	# specifies that the numeric value of a relational or logical expression
	95	# (computed in the inferior) is 1 for true and 0 for false.
	96
	97	proc do_function_calls {} {
	98	global prototypes
a0b3c4fd JM	99	global gdb_prompt
a0b3c4fd JM	100
c906108c SS	101	# We need to up this because this can be really slow on some boards.
	102	set timeout 60;
	103
	104	gdb_test "p t_char_values(0,0)" " = 0"
	105	gdb_test "p t_char_values('a','b')" " = 1"
	106	gdb_test "p t_char_values(char_val1,char_val2)" " = 1"
	107	gdb_test "p t_char_values('a',char_val2)" " = 1"
	108	gdb_test "p t_char_values(char_val1,'b')" " = 1"
	109
	110	gdb_test "p t_short_values(0,0)" " = 0"
	111	gdb_test "p t_short_values(10,-23)" " = 1"
	112	gdb_test "p t_short_values(short_val1,short_val2)" " = 1"
	113	gdb_test "p t_short_values(10,short_val2)" " = 1"
	114	gdb_test "p t_short_values(short_val1,-23)" " = 1"
	115
	116	gdb_test "p t_int_values(0,0)" " = 0"
	117	gdb_test "p t_int_values(87,-26)" " = 1"
	118	gdb_test "p t_int_values(int_val1,int_val2)" " = 1"
	119	gdb_test "p t_int_values(87,int_val2)" " = 1"
	120	gdb_test "p t_int_values(int_val1,-26)" " = 1"
	121
	122	gdb_test "p t_long_values(0,0)" " = 0"
	123	gdb_test "p t_long_values(789,-321)" " = 1"
	124	gdb_test "p t_long_values(long_val1,long_val2)" " = 1"
	125	gdb_test "p t_long_values(789,long_val2)" " = 1"
	126	gdb_test "p t_long_values(long_val1,-321)" " = 1"
	127
	128	if ![target_info exists gdb,skip_float_tests] {
	129	gdb_test "p t_float_values(0.0,0.0)" " = 0"
	130
	131	# These next four tests fail on the mn10300.
	132	# The first value is passed in regs, the other in memory.
	133	# Gcc emits different stabs for the two parameters; the first is
	134	# claimed to be a float, the second a double.
	135	# dbxout.c in gcc claims this is the desired behavior.
a0b3c4fd	136	setup_xfail "mn10300--"
c906108c	137	gdb_test "p t_float_values(3.14159,-2.3765)" " = 1"
a0b3c4fd	138	setup_xfail "mn10300--"
c906108c	139	gdb_test "p t_float_values(float_val1,float_val2)" " = 1"
a0b3c4fd	140	setup_xfail "mn10300--"
c906108c	141	gdb_test "p t_float_values(3.14159,float_val2)" " = 1"
a0b3c4fd	142	setup_xfail "mn10300--"
c906108c SS	143	gdb_test "p t_float_values(float_val1,-2.3765)" " = 1"
	144
	145	# Test passing of arguments which might not be widened.
	146	gdb_test "p t_float_values2(0.0,0.0)" " = 0"
	147
	148	# Although PR 5318 mentions SunOS specifically, this seems
	149	# to be a generic problem on quite a few platforms.
	150	if $prototypes then {
085dd6e6	151	setup_xfail "sparc--" "mips--*" 5318
96457b64	152	if { ! [test_compiler_info gcc--] } then {
c906108c SS	153	setup_xfail "alpha-dec-osf2" "i86--sysv4" 5318
	154	}
	155	}
0bc69509	156
c906108c	157	gdb_test "p t_float_values2(3.14159,float_val2)" " = 1"
0bc69509	158
c906108c SS	159	gdb_test "p t_small_values(1,2,3,4,5,6,7,8,9,10)" " = 55"
	160
	161	gdb_test "p t_double_values(0.0,0.0)" " = 0"
	162	gdb_test "p t_double_values(45.654,-67.66)" " = 1"
	163	gdb_test "p t_double_values(double_val1,double_val2)" " = 1"
	164	gdb_test "p t_double_values(45.654,double_val2)" " = 1"
	165	gdb_test "p t_double_values(double_val1,-67.66)" " = 1"
	166	}
	167
	168	gdb_test "p t_string_values(string_val2,string_val1)" " = 0"
	169	gdb_test "p t_string_values(string_val1,string_val2)" " = 1"
	170	gdb_test "p t_string_values(\"string 1\",\"string 2\")" " = 1"
	171	gdb_test "p t_string_values(\"string 1\",string_val2)" " = 1"
	172	gdb_test "p t_string_values(string_val1,\"string 2\")" " = 1"
	173
	174	gdb_test "p t_char_array_values(char_array_val2,char_array_val1)" " = 0"
	175	gdb_test "p t_char_array_values(char_array_val1,char_array_val2)" " = 1"
	176	gdb_test "p t_char_array_values(\"carray 1\",\"carray 2\")" " = 1"
	177	gdb_test "p t_char_array_values(\"carray 1\",char_array_val2)" " = 1"
	178	gdb_test "p t_char_array_values(char_array_val1,\"carray 2\")" " = 1"
	179
	180	gdb_test "p doubleit(4)" " = 8"
	181	gdb_test "p add(4,5)" " = 9"
	182	gdb_test "p t_func_values(func_val2,func_val1)" " = 0"
	183	gdb_test "p t_func_values(func_val1,func_val2)" " = 1"
	184
eac98b22 AC	185	# GDB currently screws up the passing of function parameters for
	186	# ABIs that use function descriptors. Instead of passing the
	187	# address of te function descriptor, GDB passes the address of the
	188	# function body. This results in the called function treating the
	189	# first few instructions of the function proper as a descriptor
	190	# and attempting a jump through that (a totally random address).
	191	setup_kfail "rs6000--aix*" gdb/1457
	192	setup_kfail "powerpc--aix*" gdb/1457
eac98b22 AC	193	setup_kfail hppa--hpux* gdb/1457
	194	gdb_test "p t_func_values(add,func_val2)" " = 1"
	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(func_val1,doubleit)" " = 1"
	199	setup_kfail "rs6000--aix*" gdb/1457
	200	setup_kfail "powerpc--aix*" gdb/1457
eac98b22 AC	201	setup_kfail hppa--hpux* gdb/1457
eac98b22 AC	202	gdb_test "p t_call_add(add,3,4)" " = 7"
a0b3c4fd	203	gdb_test "p t_call_add(func_val1,3,4)" " = 7"
c906108c SS	204
	205	gdb_test "p t_enum_value1(enumval1)" " = 1"
	206	gdb_test "p t_enum_value1(enum_val1)" " = 1"
	207	gdb_test "p t_enum_value1(enum_val2)" " = 0"
	208
	209	gdb_test "p t_enum_value2(enumval2)" " = 1"
	210	gdb_test "p t_enum_value2(enum_val2)" " = 1"
	211	gdb_test "p t_enum_value2(enum_val1)" " = 0"
	212
	213	gdb_test "p sum_args(1,{2})" " = 2"
	214	gdb_test "p sum_args(2,{2,3})" " = 5"
	215	gdb_test "p sum_args(3,{2,3,4})" " = 9"
	216	gdb_test "p sum_args(4,{2,3,4,5})" " = 14"
	217
	218	gdb_test "p sum10 (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)" " = 55"
	219
	220	gdb_test "p cmp10 (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)" " = 1"
	221
	222	gdb_test "p t_structs_c(struct_val1)" "= 120 'x'" \
	223	"call inferior func with struct - returns char"
	224	gdb_test "p t_structs_s(struct_val1)" "= 87" \
fd7832a6	225	"call inferior func with struct - returns short"
c906108c SS	226	gdb_test "p t_structs_i(struct_val1)" "= 76" \
	227	"call inferior func with struct - returns int"
	228	gdb_test "p t_structs_l(struct_val1)" "= 51" \
	229	"call inferior func with struct - returns long"
c906108c SS	230	gdb_test "p t_structs_f(struct_val1)" "= 2.12.*" \
c906108c SS	231	"call inferior func with struct - returns float"
c906108c SS	232	gdb_test "p t_structs_d(struct_val1)" "= 9.87.*" \
	233	"call inferior func with struct - returns double"
	234	gdb_test "p t_structs_a(struct_val1)" "= (.unsigned char .. )?\"foo\"" \
	235	"call inferior func with struct - returns char *"
	236	}
	237
c7db355b	238	# Procedure to get current content of all registers.
a2f1aeb4	239	proc fetch_all_registers {test} {
c7db355b	240	global gdb_prompt
c7db355b	241
a2f1aeb4 UW	242	set all_registers_lines {}
	243	set bad -1
	244	if {[gdb_test_multiple "info all-registers" $test {
	245	-re "info all-registers\[\r\n\]+" {
	246	exp_continue
	247	}
	248	-ex "The program has no registers now" {
	249	set bad 1
	250	exp_continue
	251	}
	252	-re "^bspstore\[ \t\]+\[^\r\n\]+\[\r\n\]+" {
783e3e2f AS	253	if [istarget "ia64--"] {
	254	# Filter out bspstore which is specially tied to bsp,
	255	# giving spurious differences.
a2f1aeb4 UW	256	} else {
	257	lappend all_registers_lines $expect_out(0,string)
	258	}
	259	exp_continue
	260	}
	261	-re "^\[^ \t\]+\[ \t\]+\[^\r\n\]+\[\r\n\]+" {
	262	lappend all_registers_lines $expect_out(0,string)
	263	exp_continue
	264	}
	265	-re ".*$gdb_prompt $" {
	266	incr bad
	267	}
	268	-re "^\[^\r\n\]+\[\r\n\]+" {
	269	if {!$bad} {
	270	warning "Unrecognized output: $expect_out(0,string)"
	271	set bad 1
783e3e2f	272	}
a2f1aeb4	273	exp_continue
c7db355b	274	}
a2f1aeb4 UW	275	}] != 0} {
	276	return {}
	277	}
	278
	279	if {$bad} {
	280	fail $test
	281	return {}
c7db355b	282	}
a2f1aeb4 UW	283
	284	pass $test
	285	return $all_registers_lines
c7db355b PS	286	}
c7db355b PS	287
a2f1aeb4	288
c906108c SS	289	# Start with a fresh gdb.
	290
	291	gdb_exit
	292	gdb_start
	293	gdb_reinitialize_dir $srcdir/$subdir
	294	gdb_load ${binfile}
	295
	296	gdb_test "set print sevenbit-strings" ""
	297	gdb_test "set print address off" ""
	298	gdb_test "set width 0" ""
	299
085dd6e6 JM	300	if { $hp_aCC_compiler } {
	301	# Do not set language explicitly to 'C'. This will cause aCC
	302	# tests to fail because promotion rules are different. Just let
	303	# the language be set to the default.
	304
c906108c SS	305	if { ![runto_main] } {
	306	gdb_suppress_tests;
	307	}
085dd6e6 JM	308
	309	# However, turn off overload-resolution for aCC. Having it on causes
	310	# a lot of failures.
	311
	312	gdb_test "set overload-resolution 0" ".*"
	313	} else {
	314	if { ![set_lang_c] } {
	315	gdb_suppress_tests;
	316	} else {
	317	if { ![runto_main] } {
	318	gdb_suppress_tests;
	319	}
	320	}
c906108c SS	321	}
c906108c SS	322
0bc69509 JB	323	get_debug_format
0bc69509 JB	324
c7db355b PS	325	# Make sure that malloc gets called and that the floating point unit
c7db355b PS	326	# is initialized via a call to t_double_values.
7dbd117d MC	327	gdb_test "next" "t_double_values\\(double_val1, double_val2\\);.*" \
	328	"next to t_double_values"
	329	gdb_test "next" "t_structs_c\\(struct_val1\\);.*" \
	330	"next to t_structs_c"
c7db355b PS	331
c7db355b PS	332	# Save all register contents.
a2f1aeb4	333	set old_reg_content [fetch_all_registers "retrieve original register contents"]
c7db355b PS	334
c7db355b PS	335	# Perform function calls.
c906108c SS	336	do_function_calls
c906108c SS	337
c7db355b	338	# Check if all registers still have the same value.
a2f1aeb4 UW	339	set new_reg_content [fetch_all_registers \
	340	"register contents after gdb function calls"]
	341	if {$old_reg_content == $new_reg_content} then {
c7db355b PS	342	pass "gdb function calls preserve register contents"
c7db355b PS	343	} else {
a2f1aeb4	344	set old_reg_content $new_reg_content
c7db355b PS	345	fail "gdb function calls preserve register contents"
	346	}
	347
	348	# Set breakpoint at a function we will call from gdb.
	349	gdb_breakpoint add
	350
	351	# Call function (causing a breakpoint hit in the call dummy) and do a continue,
	352	# make sure we are back at main and still have the same register contents.
db62520a MS	353	gdb_test "print add(4,5)" \
	354	"The program being debugged stopped while.*" \
	355	"stop at breakpoint in call dummy function"
c7db355b PS	356	gdb_test "continue" "Continuing.*" "continue from call dummy breakpoint"
	357	if ![gdb_test "bt 2" \
	358	"#0 main.*" \
	359	"bt after continuing from call dummy breakpoint"] then {
a2f1aeb4 UW	360	set new_reg_content [fetch_all_registers \
	361	"register contents after stop in call dummy"]
	362	if {$old_reg_content == $new_reg_content} then {
c7db355b PS	363	pass "continue after stop in call dummy preserves register contents"
	364	} else {
	365	fail "continue after stop in call dummy preserves register contents"
	366	}
	367	}
	368
	369	# Call function (causing a breakpoint hit in the call dummy) and do a finish,
	370	# make sure we are back at main and still have the same register contents.
ed4c619a AC	371	gdb_test "print add(4,5)" "The program being debugged stopped while.*" \
ed4c619a AC	372	"call function causing a breakpoint then do a finish"
c7db355b	373	gdb_test "finish" \
9549d9c1	374	"Value returned is .* = 9" \
c7db355b PS	375	"finish from call dummy breakpoint returns correct value"
	376	if ![gdb_test "bt 2" \
	377	"#0 main.*" \
	378	"bt after finishing from call dummy breakpoint"] then {
a2f1aeb4 UW	379	set new_reg_content [fetch_all_registers \
	380	"register contents after finish in call dummy"]
	381	if {$old_reg_content == $new_reg_content} then {
c7db355b PS	382	pass "finish after stop in call dummy preserves register contents"
	383	} else {
	384	fail "finish after stop in call dummy preserves register contents"
	385	}
	386	}
	387
	388	# Call function (causing a breakpoint hit in the call dummy) and do a return
	389	# with a value, make sure we are back at main with the same register contents.
ed4c619a AC	390	gdb_test "print add(4,5)" "The program being debugged stopped while.*" \
ed4c619a AC	391	"call function causing a breakpoint and then do a return"
c7db355b PS	392	if ![gdb_test "return 7" \
	393	"#0 main.*" \
	394	"back at main after return from call dummy breakpoint" \
	395	"Make add return now. .y or n.*" \
	396	"y"] then {
a2f1aeb4 UW	397	set new_reg_content [fetch_all_registers \
	398	"register contents after return in call dummy"]
	399	if {$old_reg_content == $new_reg_content} then {
c7db355b PS	400	pass "return after stop in call dummy preserves register contents"
	401	} else {
	402	fail "return after stop in call dummy preserves register contents"
	403	}
	404	}
	405
db62520a MS	406	# Call function (causing a breakpoint hit in the call dummy), and
	407	# call another function from the call dummy frame (thereby setting up
	408	# several nested call dummy frames). Test that backtrace and finish
	409	# work when several call dummies are nested.
	410	gdb_breakpoint sum10
	411	gdb_breakpoint t_small_values
	412	gdb_test "print add(2,3)" "The program being debugged stopped while.*" \
	413	"stop at nested call level 1"
	414	gdb_test "backtrace" \
	415	"\#0 add \\(a=2, b=3\\).\#1 <function called from gdb>.\#2 main.*" \
	416	"backtrace at nested call level 1"
	417	gdb_test "print add(4,5)" "The program being debugged stopped while.*" \
	418	"stop at nested call level 2"
	419	gdb_test "backtrace" \
	420	"\#0 add \\(a=4, b=5\\).\#1 <function called from gdb>.\#2 add \\(a=2, b=3\\).\#3 <function called from gdb>.\#4 main.*" \
	421	"backtrace at nested call level 2"
	422	gdb_test "print sum10(2,4,6,8,10,12,14,16,18,20)" \
	423	"The program being debugged stopped while.*" \
	424	"stop at nested call level 3"
	425	gdb_test "backtrace" \
	426	"\#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.*" \
	427	"backtrace at nested call level 3"
	428	gdb_test "print t_small_values(1,3,5,7,9,11,13,15,17,19)" \
	429	"The program being debugged stopped while.*" \
	430	"stop at nested call level 4"
	431	gdb_test "backtrace" \
99ebe9ac	432	"\#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	433	"backtrace at nested call level 4"
	434	gdb_test "finish" "Value returned is .* = 100" \
	435	"Finish from nested call level 4"
	436	gdb_test "backtrace" \
	437	"\#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.*" \
	438	"backtrace after finish from nested call level 4"
	439	gdb_test "finish" "Value returned is .* = 110" \
	440	"Finish from nested call level 3"
	441	gdb_test "backtrace" \
	442	"\#0 add \\(a=4, b=5\\).\#1 <function called from gdb>.\#2 add \\(a=2, b=3\\).\#3 <function called from gdb>.\#4 main.*" \
	443	"backtrace after finish from nested call level 3"
	444	gdb_test "finish" "Value returned is .* = 9" \
	445	"Finish from nested call level 2"
	446	gdb_test "backtrace" \
	447	"\#0 add \\(a=2, b=3\\).\#1 <function called from gdb>.\#2 main.*" \
	448	"backtrace after finish from nested call level 2"
	449	gdb_test "finish" "Value returned is .* = 5" \
	450	"Finish from nested call level 1"
	451	gdb_test "backtrace" "\#0 main .*" \
	452	"backtrace after finish from nested call level 1"
	453
a2f1aeb4 UW	454	set new_reg_content [fetch_all_registers \
	455	"register contents after nested call dummies"]
	456	if {$old_reg_content == $new_reg_content} then {
db62520a MS	457	pass "nested call dummies preserve register contents"
	458	} else {
	459	fail "nested call dummies preserve register contents"
	460	}
	461
c906108c	462	return 0
db62520a	463