# Copyright (C) 2000 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 if $tracelevel { strace $tracelevel } # # test running programs # set prms_id 0 set bug_id 0 set testfile "sizeof" set srcfile ${testfile}.c set binfile ${objdir}/${subdir}/${testfile} if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." } if [get_compiler_info ${binfile}] { return -1; } gdb_exit gdb_start gdb_reinitialize_dir $srcdir/$subdir gdb_load ${binfile} # # set it up at a breakpoint so we can play with the variable values # if ![runto_main] then { perror "couldn't run to breakpoint" continue } # # Query GDB for the size of various types # proc get_sizeof { type default } { global gdb_prompt send_gdb "print/d sizeof (${type})\n" gdb_expect { -re "\\$\[0-9\]* = (\[0-9\]*).*$gdb_prompt $" { set size $expect_out(1,string) pass "get sizeof ${type} ($size)" } timeout { set size ${default} fail "get sizeof ${type} (timeout)" } } return ${size} } set sizeof_char [get_sizeof "char" 1] set sizeof_short [get_sizeof "short" 2] set sizeof_int [get_sizeof "int" 4] set sizeof_long [get_sizeof "long" 4] set sizeof_long_long [get_sizeof "long long" 8] set sizeof_data_ptr [get_sizeof "void *" 4] set sizeof_func_ptr [get_sizeof "void (*)(void)" 4] set sizeof_float [get_sizeof "float" 4] set sizeof_double [get_sizeof "double" 8] set sizeof_long_double [get_sizeof "long double" 8] # # Compare GDB's idea of types with the running program # proc check_sizeof { type size } { global gdb_prompt if [gdb_skip_stdio_test "check sizeof $type == $size"] { return; } set pat [string_to_regexp ${type}] send_gdb "next\n" gdb_expect { -re "sizeof \\(${pat}\\) == ${size}\[\r\n\].*$gdb_prompt $" { pass "check sizeof ${type} == ${size}" } -re ".*$gdb_prompt $" { fail "check sizeof ${type} == ${size}" } timeout { fail "check sizeof ${type} == ${size} (timeout)" } } } check_sizeof "char" ${sizeof_char} check_sizeof "short" ${sizeof_short} check_sizeof "int" ${sizeof_int} check_sizeof "long" ${sizeof_long} check_sizeof "long long" ${sizeof_long_long} check_sizeof "void *" ${sizeof_data_ptr} check_sizeof "void (*)(void)" ${sizeof_func_ptr} check_sizeof "float" ${sizeof_float} check_sizeof "double" ${sizeof_double} check_sizeof "long double" ${sizeof_long_double} # # For reference, dump out the entire architecture # # The output is very long so use a while loop to consume it send_gdb "maint print arch\n" set ok 1 while { $ok } { gdb_expect { -re ".*dump" { #pass "maint print arch $ok" #set ok [expr $ok + 1] } -re "$gdb_prompt $" { pass "maint print arch" set ok 0 } timeout { fail "maint print arch (timeout)" set ok 0 } } }