1# Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008, 2009, 2010, 2# 2011 Free Software Foundation, Inc. 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 3 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, see <http://www.gnu.org/licenses/>. 16 17# This file was written by Elena Zannoni (ezannoni@cygnus.com) 18 19# this file tests command line calls with functions returning structures 20# corresponding source file: call_return_struct.c 21 22 23 24if $tracelevel then { 25 strace $tracelevel 26} 27 28 29set testfile "call-rt-st" 30set srcfile ${testfile}.c 31set binfile ${objdir}/${subdir}/${testfile} 32 33 34# Test depends on printf, which the sparclet stub doesn't support. 35if { [istarget "sparclet-*-*"] } { 36 return 0; 37} 38 39if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } { 40 untested "couldn't compile ${srcdir}/${subdir}/${srcfile}" 41 return -1 42} 43 44 45 46# Create and source the file that provides information about the compiler 47# used to compile the test case. 48 49if [get_compiler_info ${binfile}] { 50 return -1; 51} 52 53# Some targets can't do function calls, so don't even bother with this 54# test. 55if [target_info exists gdb,cannot_call_functions] { 56 setup_xfail "*-*-*" 2416 57 fail "This target can not call functions" 58 continue 59} 60 61# Start with a fresh gdb. 62 63gdb_exit 64gdb_start 65gdb_reinitialize_dir $srcdir/$subdir 66gdb_load ${binfile} 67gdb_test_no_output "set print sevenbit-strings" 68gdb_test_no_output "set print address off" 69gdb_test_no_output "set width 0" 70 71 72if ![runto_main] then { 73 perror "couldn't run to breakpoint" 74 continue 75} 76 77 78gdb_test "break loop_count" \ 79 "Breakpoint.* file .*call-rt-st.c, line 128\\." \ 80 "breakpoint loop_count" 81 82gdb_test "continue" \ 83 "Continuing\\..*Breakpoint.*loop_count \\(\\) at.*call-rt-st.c:128\[ \t\r\n\]+128\[\t \]+for \\(index=0; index.4; index..\\);\[\r\n \]+" \ 84 "continue to loop_count" 85 86gdb_test_multiple "finish" "finish out from loop count" { 87 -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 $" { 88 pass "finish out from loop_count (line 777)" 89 } 90 -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 $" { 91 pass "finish out from loop_count (line 775)" 92 } 93} 94 95# Ask GDB to print the value of EXPR, and expect to see the regexp 96# RESULT in the output. If we get back the error message "Function 97# return value unknown", call that an `unsupported' test; on some 98# architectures, it's impossible to find structs returned by value 99# reliably. 100proc print_struct_call { expr result } { 101 global gdb_prompt 102 103 set command "print $expr" 104 gdb_test_multiple "${command}" "${command}" { 105 -re "$result\[\r\n\]+$gdb_prompt $" { 106 pass "$command" 107 } 108 -re "Function return value unknown.\[\r\n\]+$gdb_prompt $" { 109 unsupported "$command" 110 } 111 } 112} 113 114 115if ![gdb_skip_stdio_test "print print_struct_rep(*struct1)"] { 116 print_struct_call "print_struct_rep(*struct1)" \ 117 ".*Contents of struct1:\[ \t\n\r\]+22\[ \t\]+0\[ \t\n\r\]+.\[0-9\]+ = \\{value = 5, head = 0\\}" 118} 119 120if ![gdb_skip_stdio_test "print print_one_large_struct(...)"] { 121 print_struct_call "print_one_large_struct(*list1)" \ 122 ".*\[ \t\]+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\\}" 123} 124 125if {![gdb_skip_float_test "print print_one_double(*d1)"] && \ 126 ![gdb_skip_stdio_test "print print_one_double(*d1)"] } { 127 print_struct_call "print_one_double(*d1)" \ 128 ".*Contents of one_double_t:\[ \r\n\]+1\\.111110\[ \r\n\]+.\[0-9\]+ = \\{double1 = 1\\.111\[0-9\]*\\}" 129} 130 131if {![gdb_skip_float_test "print print_two_floats(*f3)"] && \ 132 ![gdb_skip_stdio_test "print print_two_floats(*f3)"] } { 133 print_struct_call "print_two_floats(*f3)" \ 134 ".*Contents of two_floats_t:\[ \r\n\]+-2\\.345000\[ \t]+1\\.000000\[ \r\n\]+.\[0-9\]+ = \\{float1 = -2\\.34500003, float2 = 1\\}" 135} 136 137if ![gdb_skip_stdio_test "print print_bit_flags_char(*cflags)"] { 138 print_struct_call "print_bit_flags_char(*cflags)" \ 139 ".*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'\\}" 140} 141 142if ![gdb_skip_stdio_test "print print_bit_flags_short(*sflags)"] { 143 print_struct_call "print_bit_flags_short(*sflags)" \ 144 ".*alpha\[ \r\n\]+gamma\[ \r\n\]+epsilon\[ \r\n\]+.\[0-9\]+ = \\{alpha = 1, beta = 0, gamma = 1, delta = 0, epsilon = 1, omega = 0\\}" 145} 146 147if ![gdb_skip_stdio_test "print print_bit_flags(*flags)"] { 148 print_struct_call "print_bit_flags(*flags)" \ 149 ".*alpha\[ \r\n\]+gamma\[ \r\n\]+epsilon\[ \r\n\]+.\[0-9\]+ = \\{alpha = 1, beta = 0, gamma = 1, delta = 0, epsilon = 1, omega = 0\\}" 150} 151 152if ![gdb_skip_stdio_test "print print_bit_flags_combo(*flags_combo)"] { 153 print_struct_call "print_bit_flags_combo(*flags_combo)" \ 154 ".*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\\}" 155} 156 157if ![gdb_skip_stdio_test "print print_three_chars(*three_chars)"] { 158 print_struct_call "print_three_chars(*three_char)" \ 159 ".*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'\\}" 160} 161 162if ![gdb_skip_stdio_test "print print_five_chars(*five_chars)"] { 163 print_struct_call "print_five_chars(*five_char)" \ 164 ".*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'\\}" 165} 166 167if ![gdb_skip_stdio_test "print print_int_char_combo(*int_char_combo)"] { 168 print_struct_call "print_int_char_combo(*int_char_combo)" \ 169 ".*Contents of int_char_combo_t:\[ \r\n\]+13\[ \t\]+!\[ \r\n\]+.\[0-9\]+ = \\{int1 = 13, ch1 = 33 '!'\\}" 170} 171 172return 173