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# Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008, 2009, 2010

# 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 .

# This file was written by Elena Zannoni (ezannoni@cygnus.com)

# this file tests command line calls with functions returning structures

# corresponding source file: call_return_struct.c

if $tracelevel then {

        strace $tracelevel

}

set prms_id 0

set bug_id 0

set testfile "call-rt-st"

set srcfile ${testfile}.c

set binfile ${objdir}/${subdir}/${testfile}

# Test depends on printf, which the sparclet stub doesn't support.

if { [istarget "sparclet-*-*"] } {

    return 0;

}

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

    untested "couldn't compile ${srcdir}/${subdir}/${srcfile}"

    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;

}

# 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

        }

    }

}

# Start with a fresh gdb.

gdb_exit

gdb_start

gdb_reinitialize_dir $srcdir/$subdir

gdb_load ${binfile}

send_gdb "set print sevenbit-strings\n" ; gdb_expect -re "$gdb_prompt $"

send_gdb "set print address off\n" ; gdb_expect -re "$gdb_prompt $"

send_gdb "set width 0\n" ; gdb_expect -re "$gdb_prompt $"

if ![runto_main] then {

    perror "couldn't run to breakpoint"

    continue

}

gdb_test "break loop_count" \

    "Breakpoint.* file .*call-rt-st.c, line 128\\." \

    "breakpoint loop_count"

send_gdb "continue\n"

gdb_expect {

 -re  "Continuing\\..*Breakpoint.*loop_count \\(\\) at.*call-rt-st.c:128\[ \t\r\n\]+128\[\t \]+for \\(index=0; index.4; index..\\);\[\r\n \]+$gdb_prompt $" {

                 pass "continue to loop_count"}

      -re ".*$gdb_prompt $" { fail "continue to loop_count"}

      timeout           { fail "(timeout) continue to loop_count"}

}

send_gdb "finish\n"

gdb_expect {

    -re  "Run till exit from .0  loop_count \\(\\) at.*call-rt-st.c:128\[ \t\r\n\]+main \\(\\) at.*call-rt-st.c:777\[ \t\r\n\]+777\[\t \]+return 0;.*$gdb_prompt $" {

        pass "finish out from loop_count (line 777)"

    }

    -re  "Run till exit from .0  loop_count \\(\\) at.*call-rt-st.c:128\[ \t\r\n\]+main \\(\\) at.*call-rt-st.c:775\[ \t\r\n\]+775\[\t \]+loop_count.*$gdb_prompt $" {

        pass "finish out from loop_count (line 775)"

    }

    -re ".*$gdb_prompt $" {

        fail "finish out from loop_count"

    }

    timeout {

        fail "finish out from loop_count (timeout)"

    }

}

# Ask GDB to print the value of EXPR, and expect to see the regexp

# RESULT in the output.  If we get back the error message "Function

# return value unknown", call that an `unsupported' test; on some

# architectures, it's impossible to find structs returned by value

# reliably.

proc print_struct_call { expr result } {

    global gdb_prompt

    set command "print $expr"

    send_gdb "${command}\n"

    gdb_expect {

        -re "$result\[\r\n\]+$gdb_prompt $" {

            pass "$command"

        }

        -re "Function return value unknown.\[\r\n\]+$gdb_prompt $" {

            unsupported "$command"

        }

        -re "$gdb_prompt $" {

            fail "$command"

        }

        timeout {

            fail "$command (timeout)"

        }

    }

}

if ![gdb_skip_stdio_test "print print_struct_rep(*struct1)"] {

    print_struct_call "print_struct_rep(*struct1)" \

            ".*Contents of struct1:\[ \t\n\r\]+22\[ \t\]+0\[ \t\n\r\]+.\[0-9\]+ = \\{value = 5, head = 0\\}"

}

if ![gdb_skip_stdio_test "print print_one_large_struct(...)"] {

    print_struct_call "print_one_large_struct(*list1)" \

            ".*\[ \t\]+4\[ \t\]+1\[ \r\n\]+.\[0-9\]+ = \\{next_index = \\{1, 2, 3, 4, 5, 6, 7, 8, 9, 10\\}, values = \\{4, 6, 8, 10, 12, 14, 16, 18, 20, 22\\}, head = 0\\}"

}

if {![gdb_skip_float_test "print print_one_double(*d1)"] && \

        ![gdb_skip_stdio_test "print print_one_double(*d1)"] } {

    print_struct_call "print_one_double(*d1)" \

            ".*Contents of one_double_t:\[ \r\n\]+1\\.111110\[ \r\n\]+.\[0-9\]+ = \\{double1 = 1\\.111\[0-9\]*\\}"

}

if {![gdb_skip_float_test "print print_two_floats(*f3)"] && \

        ![gdb_skip_stdio_test "print print_two_floats(*f3)"] } {

    print_struct_call "print_two_floats(*f3)" \

            ".*Contents of two_floats_t:\[ \r\n\]+-2\\.345000\[ \t]+1\\.000000\[ \r\n\]+.\[0-9\]+ = \\{float1 = -2\\.34500003, float2 = 1\\}"

}

if ![gdb_skip_stdio_test "print print_bit_flags_char(*cflags)"] {

    print_struct_call "print_bit_flags_char(*cflags)" \

            ".*alpha\[ \r\n\]+gamma\[ \r\n\]+epsilon\[ \r\n\]+.\[0-9\]+ = \\{alpha = 1 '\\\\001', beta = 0 '\\\\000', gamma = 1 '\\\\001', delta = 0 '\\\\000', epsilon = 1 '\\\\001', omega = 0 '\\\\000'\\}"

}

if ![gdb_skip_stdio_test "print print_bit_flags_short(*sflags)"] {

    print_struct_call "print_bit_flags_short(*sflags)" \

            ".*alpha\[ \r\n\]+gamma\[ \r\n\]+epsilon\[ \r\n\]+.\[0-9\]+ = \\{alpha = 1, beta = 0, gamma = 1, delta = 0, epsilon = 1, omega = 0\\}"

}

if ![gdb_skip_stdio_test "print print_bit_flags(*flags)"] {

    print_struct_call "print_bit_flags(*flags)" \

            ".*alpha\[ \r\n\]+gamma\[ \r\n\]+epsilon\[ \r\n\]+.\[0-9\]+ = \\{alpha = 1, beta = 0, gamma = 1, delta = 0, epsilon = 1, omega = 0\\}"

}

if ![gdb_skip_stdio_test "print print_bit_flags_combo(*flags_combo)"] {

    print_struct_call "print_bit_flags_combo(*flags_combo)" \

            ".*alpha\[ \r\n\]+gamma\[ \r\n\]+epsilon\[ \r\n\]+ch1: y\[ \t\]+ch2: n\[ \r\n\]+.\[0-9\]+ = \\{alpha = 1, beta = 0, ch1 = 121 'y', gamma = 1, delta = 0, ch2 = 110 'n', epsilon = 1, omega = 0\\}"

}

if ![gdb_skip_stdio_test "print print_three_chars(*three_chars)"] {

    print_struct_call "print_three_chars(*three_char)" \

            ".*Contents of three_char_t:\[ \r\n\]+x\[ \t\]+y\[ \t\]+z\[ \r\n\]+.\[0-9\]+ = \\{ch1 = 120 'x', ch2 = 121 'y', ch3 = 122 'z'\\}"

}

if ![gdb_skip_stdio_test "print print_five_chars(*five_chars)"] {

    print_struct_call "print_five_chars(*five_char)" \

            ".*Contents of five_char_t:\[ \r\n\]+h\[ \t\]+e\[ \t\]+l\[ \t\]+l\[ \t\]+o\[ \r\n\]+.\[0-9\]+ = \\{ch1 = 104 'h', ch2 = 101 'e', ch3 = 108 'l', ch4 = 108 'l', ch5 = 111 'o'\\}"

}

if ![gdb_skip_stdio_test "print print_int_char_combo(*int_char_combo)"] {

    print_struct_call "print_int_char_combo(*int_char_combo)" \

            ".*Contents of int_char_combo_t:\[ \r\n\]+13\[ \t\]+!\[ \r\n\]+.\[0-9\]+ = \\{int1 = 13, ch1 = 33 '!'\\}"

}

return