1# Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007 2# 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# 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 Elena Zannoni (ezannoni@cygnus.com) 21 22# this file tests command line calls with functions returning structures 23# corresponding source file: call_return_struct.c 24 25 26 27if $tracelevel then { 28 strace $tracelevel 29} 30 31set prms_id 0 32set bug_id 0 33 34set testfile "call-rt-st" 35set srcfile ${testfile}.c 36set binfile ${objdir}/${subdir}/${testfile} 37 38 39# Test depends on printf, which the sparclet stub doesn't support. 40if { [istarget "sparclet-*-*"] } { 41 return 0; 42} 43 44if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } { 45 untested "couldn't compile ${srcdir}/${subdir}/${srcfile}" 46 return -1 47} 48 49 50 51# Create and source the file that provides information about the compiler 52# used to compile the test case. 53 54if [get_compiler_info ${binfile}] { 55 return -1; 56} 57 58# Some targets can't do function calls, so don't even bother with this 59# test. 60if [target_info exists gdb,cannot_call_functions] { 61 setup_xfail "*-*-*" 2416 62 fail "This target can not call functions" 63 continue 64} 65 66# Set the current language to C. This counts as a test. If it 67# fails, then we skip the other tests. 68 69proc set_lang_c {} { 70 global gdb_prompt 71 72 send_gdb "set language c\n" 73 gdb_expect { 74 -re ".*$gdb_prompt $" {} 75 timeout { fail "set language c (timeout)" ; return 0; } 76 } 77 78 send_gdb "show language\n" 79 gdb_expect { 80 -re ".* source language is \"c\".*$gdb_prompt $" { 81 pass "set language to \"c\"" 82 return 1 83 } 84 -re ".*$gdb_prompt $" { 85 fail "setting language to \"c\"" 86 return 0 87 } 88 timeout { 89 fail "can't show language (timeout)" 90 return 0 91 } 92 } 93} 94 95# Start with a fresh gdb. 96 97gdb_exit 98gdb_start 99gdb_reinitialize_dir $srcdir/$subdir 100gdb_load ${binfile} 101send_gdb "set print sevenbit-strings\n" ; gdb_expect -re "$gdb_prompt $" 102send_gdb "set print address off\n" ; gdb_expect -re "$gdb_prompt $" 103send_gdb "set width 0\n" ; gdb_expect -re "$gdb_prompt $" 104 105 106if ![runto_main] then { 107 perror "couldn't run to breakpoint" 108 continue 109} 110 111 112gdb_test "break loop_count" \ 113 "Breakpoint.* file .*call-rt-st.c, line 128\\." \ 114 "breakpoint loop_count" 115 116 117send_gdb "continue\n" 118gdb_expect { 119 -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 $" { 120 pass "continue to loop_count"} 121 -re ".*$gdb_prompt $" { fail "continue to loop_count"} 122 timeout { fail "(timeout) continue to loop_count"} 123} 124 125send_gdb "finish\n" 126gdb_expect { 127 -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 $" { 128 pass "finish out from loop_count (line 777)" 129 } 130 -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 $" { 131 pass "finish out from loop_count (line 775)" 132 } 133 -re ".*$gdb_prompt $" { 134 fail "finish out from loop_count" 135 } 136 timeout { 137 fail "finish out from loop_count (timeout)" 138 } 139} 140 141# Ask GDB to print the value of EXPR, and expect to see the regexp 142# RESULT in the output. If we get back the error message "Function 143# return value unknown", call that an `unsupported' test; on some 144# architectures, it's impossible to find structs returned by value 145# reliably. 146proc print_struct_call { expr result } { 147 global gdb_prompt 148 149 set command "print $expr" 150 send_gdb "${command}\n" 151 gdb_expect { 152 -re "$result\[\r\n\]+$gdb_prompt $" { 153 pass "$command" 154 } 155 -re "Function return value unknown.\[\r\n\]+$gdb_prompt $" { 156 unsupported "$command" 157 } 158 -re "$gdb_prompt $" { 159 fail "$command" 160 } 161 timeout { 162 fail "$command (timeout)" 163 } 164 } 165} 166 167 168if ![gdb_skip_stdio_test "print print_struct_rep(*struct1)"] { 169 print_struct_call "print_struct_rep(*struct1)" \ 170 ".*Contents of struct1:\[ \t\n\r\]+22\[ \t\]+0\[ \t\n\r\]+.\[0-9\]+ = \\{value = 5, head = 0\\}" 171} 172 173if ![gdb_skip_stdio_test "print print_one_large_struct(...)"] { 174 print_struct_call "print_one_large_struct(*list1)" \ 175 ".*\[ \t\]+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\\}" 176} 177 178if {![gdb_skip_float_test "print print_one_double(*d1)"] && \ 179 ![gdb_skip_stdio_test "print print_one_double(*d1)"] } { 180 print_struct_call "print_one_double(*d1)" \ 181 ".*Contents of one_double_t:\[ \r\n\]+1\\.111110\[ \r\n\]+.\[0-9\]+ = \\{double1 = 1\\.111\[0-9\]*\\}" 182} 183 184if {![gdb_skip_float_test "print print_two_floats(*f3)"] && \ 185 ![gdb_skip_stdio_test "print print_two_floats(*f3)"] } { 186 print_struct_call "print_two_floats(*f3)" \ 187 ".*Contents of two_floats_t:\[ \r\n\]+-2\\.345000\[ \t]+1\\.000000\[ \r\n\]+.\[0-9\]+ = \\{float1 = -2\\.34500003, float2 = 1\\}" 188} 189 190if ![gdb_skip_stdio_test "print print_bit_flags_char(*cflags)"] { 191 print_struct_call "print_bit_flags_char(*cflags)" \ 192 ".*alpha\[ \r\n\]+gamma\[ \r\n\]+epsilon\[ \r\n\]+.\[0-9\]+ = \\{alpha = 1 '\\\\001', beta = 0 '\\\\0', gamma = 1 '\\\\001', delta = 0 '\\\\0', epsilon = 1 '\\\\001', omega = 0 '\\\\0'\\}" 193} 194 195if ![gdb_skip_stdio_test "print print_bit_flags_short(*sflags)"] { 196 print_struct_call "print_bit_flags_short(*sflags)" \ 197 ".*alpha\[ \r\n\]+gamma\[ \r\n\]+epsilon\[ \r\n\]+.\[0-9\]+ = \\{alpha = 1, beta = 0, gamma = 1, delta = 0, epsilon = 1, omega = 0\\}" 198} 199 200if ![gdb_skip_stdio_test "print print_bit_flags(*flags)"] { 201 print_struct_call "print_bit_flags(*flags)" \ 202 ".*alpha\[ \r\n\]+gamma\[ \r\n\]+epsilon\[ \r\n\]+.\[0-9\]+ = \\{alpha = 1, beta = 0, gamma = 1, delta = 0, epsilon = 1, omega = 0\\}" 203} 204 205if ![gdb_skip_stdio_test "print print_bit_flags_combo(*flags_combo)"] { 206 print_struct_call "print_bit_flags_combo(*flags_combo)" \ 207 ".*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\\}" 208} 209 210if ![gdb_skip_stdio_test "print print_three_chars(*three_chars)"] { 211 print_struct_call "print_three_chars(*three_char)" \ 212 ".*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'\\}" 213} 214 215if ![gdb_skip_stdio_test "print print_five_chars(*five_chars)"] { 216 print_struct_call "print_five_chars(*five_char)" \ 217 ".*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'\\}" 218} 219 220if ![gdb_skip_stdio_test "print print_int_char_combo(*int_char_combo)"] { 221 print_struct_call "print_int_char_combo(*int_char_combo)" \ 222 ".*Contents of int_char_combo_t:\[ \r\n\]+13\[ \t\]+!\[ \r\n\]+.\[0-9\]+ = \\{int1 = 13, ch1 = 33 '!'\\}" 223} 224 225return 226