| # Copyright 2000, 2002 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 ${binfile} |
| |
| # |
| # set it up at a breakpoint so we can play with the variable values |
| # |
| |
| if ![runto_main] then { |
| perror "couldn't run to breakpoint" |
| continue |
| } |
| |
| # |
| # Query GDB for the size of various types |
| # |
| |
| proc get_valueof { fmt exp default } { |
| global gdb_prompt |
| send_gdb "print${fmt} ${exp}\n" |
| gdb_expect { |
| -re "\\$\[0-9\]* = (\[-\]*\[0-9\]*).*$gdb_prompt $" { |
| set val $expect_out(1,string) |
| pass "get value of ${exp} ($val)" |
| } |
| timeout { |
| set size ${default} |
| fail "get value of ${exp} (timeout)" |
| } |
| } |
| return ${val} |
| } |
| |
| proc get_sizeof { type default } { |
| return [get_valueof "/d" "sizeof (${type})" $default] |
| } |
| |
| gdb_test "next" |
| |
| 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 == $size"] { |
| return; |
| } |
| |
| set pat [string_to_regexp "sizeof (${type}) == ${size}"] |
| send_gdb "next\n" |
| gdb_expect { |
| -re "${pat}\[\r\n\].*$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} |
| |
| proc check_valueof { exp val } { |
| global gdb_prompt |
| |
| if [gdb_skip_stdio_test "check valueof $exp == $val"] { |
| return; |
| } |
| |
| set pat [string_to_regexp "valueof (${exp}) == ${val}"] |
| send_gdb "next\n" |
| gdb_expect { |
| -re "${pat}\[\r\n\].*$gdb_prompt $" { |
| pass "check valueof ${exp} == ${val}" |
| } |
| -re ".*$gdb_prompt $" { |
| fail "check valueof ${exp} == ${val}" |
| } |
| timeout { |
| fail "check valueof ${exp} == ${val} (timeout)" |
| } |
| } |
| } |
| |
| # Check that GDB and the target agree over the sign of a character. |
| |
| set signof_char [get_valueof "/d" "(int) (char) -1" -1] |
| set signof_signed_char [get_valueof "/d" "(int) (signed char) -1" -1] |
| set signof_unsigned_char [get_valueof "/d" "(int) (unsigned char) -1" -1] |
| |
| check_valueof "(int) (char) -1" ${signof_char} |
| check_valueof "(int) (signed char) -1" ${signof_signed_char} |
| check_valueof "(int) (unsigned char) -1" ${signof_unsigned_char} |
| |
| proc check_padding { fmt type val } { |
| global gdb_prompt |
| gdb_test "set padding_${type}.v = ${val}" |
| gdb_test "print padding_${type}.p1" "= \"The quick brown \"" |
| gdb_test "print${fmt} padding_${type}.v" "= ${val}" |
| gdb_test "print padding_${type}.p2" "\"The quick brown \".*" |
| } |
| |
| # Check that GDB is managing to store a value in a struct field |
| # without corrupting the fields immediately adjacent to it. |
| |
| check_padding "/d" "char" 1 |
| check_padding "/d" "short" 2 |
| check_padding "/d" "int" 4 |
| check_padding "/d" "long" 4 |
| check_padding "/d" "long_long" 8 |
| |
| # use multiples of two which can be represented exactly |
| check_padding "/f" "float" 1 |
| check_padding "/f" "double" 2 |
| check_padding "/f" "long_double" 4 |
| |
| # |
| # 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 |
| } |
| } |
| } |