# Copyright 2002-2013 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 Michael Snyder (msnyder@redhat.com) # This is a test for the gdb command "dump". standard_testfile set options {debug} set is64bitonly "no" set endian "auto" if [istarget "alpha*-*-*"] then { # SREC etc cannot handle 64-bit addresses. Force the test # program into the low 31 bits of the address space. lappend options "additional_flags=-Wl,-taso" } if {[istarget "spu*-*-*"]} then { # The internal address format used for the combined Cell/B.E. # debugger requires 64-bit. set is64bitonly "yes" } if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable ${options}] != "" } { untested dump.exp return -1 } # Start with a fresh gdb. gdb_exit gdb_start gdb_reinitialize_dir $srcdir/$subdir gdb_test "dump mem /dev/null 0x10 0x20" "Cannot access memory at address 0x10" \ "inaccessible memory is reported" gdb_load ${binfile} # Check the address of a variable. If it is bigger than 32-bit, # assume our target has 64-bit addresses that are not supported by SREC, # IHEX and TEKHEX. We skip those tests then. set max_32bit_address "0xffffffff" set data_address [get_hexadecimal_valueof "&intarray" 0x100000000] if {${data_address} > ${max_32bit_address}} then { set is64bitonly "yes" } # Clean up any stale output files from previous test runs set filenames {} set all_files { intarr1.bin intarr1b.bin intarr1.ihex intarr1.srec intarr1.tekhex intarr2.bin intarr2b.bin intarr2.ihex intarr2.srec intarr2.tekhex intstr1.bin intstr1b.bin intstr1.ihex intstr1.srec intstr1.tekhex intstr2.bin intstr2b.bin intstr2.ihex intstr2.srec intstr2.tekhex intarr3.srec } # This loop sets variables dynamically -- each name listed in # $ALL_FILES is both a file name and a variable name. foreach file $all_files { if {[is_remote host]} { set this_name $file } else { set this_name [standard_output_file $file] } lappend filenames [set ${file} $this_name] } remote_exec host "rm -f $filenames" # Test help (FIXME:) # Run target program until data structs are initialized. if { ! [ runto checkpoint1 ] } then { untested dump.exp return -1 } # Get the endianness for the later use with endianless formats. gdb_test_multiple "show endian" "show endian" { -re ".* (big|little) endian.*$gdb_prompt $" { set endian $expect_out(1,string) pass "endianness: $endian" } } # Now generate some dump files. proc make_dump_file { command msg } { global gdb_prompt gdb_test_multiple "${command}" "$msg" { -re ".*\[Ee\]rror.*$gdb_prompt $" { fail $msg } -re ".*\[Ww\]arning.*$gdb_prompt $" { fail $msg } -re ".*\[Uu\]ndefined .*$gdb_prompt $" { fail $msg } -re ".*$gdb_prompt $" { pass $msg } } } make_dump_file "dump val [set intarr1.bin] intarray" \ "dump array as value, default" make_dump_file "dump val [set intstr1.bin] intstruct" \ "dump struct as value, default" make_dump_file "dump bin val [set intarr1b.bin] intarray" \ "dump array as value, binary" make_dump_file "dump bin val [set intstr1b.bin] intstruct" \ "dump struct as value, binary" make_dump_file "dump srec val [set intarr1.srec] intarray" \ "dump array as value, srec" make_dump_file "dump srec val [set intstr1.srec] intstruct" \ "dump struct as value, srec" make_dump_file "dump ihex val [set intarr1.ihex] intarray" \ "dump array as value, intel hex" make_dump_file "dump ihex val [set intstr1.ihex] intstruct" \ "dump struct as value, intel hex" make_dump_file "dump tekhex val [set intarr1.tekhex] intarray" \ "dump array as value, tekhex" make_dump_file "dump tekhex val [set intstr1.tekhex] intstruct" \ "dump struct as value, tekhex" proc capture_value { expression args } { global gdb_prompt global expect_out set output_string "" if {[llength $args] > 0} { # Convert $args into a simple string and don't use EXPRESSION # in the test name. set test "[join $args]; capture" } { set test "capture $expression" } gdb_test_multiple "print ${expression}" "$test" { -re "\\$\[0-9\]+ = (\[^\r\n\]+).*$gdb_prompt $" { set output_string "$expect_out(1,string)" pass "$test" } -re "(Cannot access memory at address \[^\r\n\]+).*$gdb_prompt $" { # Even a failed value is valid set output_string "$expect_out(1,string)" pass "$test" } } return $output_string } # POINTER is a pointer and this proc captures the value of POINTER along # with POINTER's type. For example, POINTER is "&intarray", this proc will # call "p &intarray", capture "(int (*)[32]) 0x804a0e0", and return this # string. proc capture_pointer_with_type { pointer } { global gdb_prompt global expect_out set test "capture type of pointer $pointer" set output_string "" gdb_test_multiple "p ${pointer}" $test { -re "\\$\[0-9\]+ = .*$gdb_prompt $" { # Expected output of "p ${pointer}" is like "$7 = (int (*)[32]) 0x804a0e0", # and we want to extract "(int (*)[32]) 0x804a0e0" from it via # following regexp. if [regexp " \\(.*\\).* 0x\[0-9a-fA-F\]+" $expect_out(0,string) output_string] { # OUTPUT_STRING is expected to be like "(int (*)[32]) 0x804a0e0". pass "$test" } else { fail "$test" } } } return $output_string } set array_start [capture_value "/x &intarray\[0\]"] set array_end [capture_value "/x &intarray\[32\]"] set struct_start [capture_value "/x &intstruct"] set struct_end [capture_value "/x &intstruct + 1"] set array_val [capture_value "intarray"] set struct_val [capture_value "intstruct"] set array_ptr_type [capture_pointer_with_type "&intarray"] set struct_ptr_type [capture_pointer_with_type "&intstruct"] make_dump_file "dump mem [set intarr2.bin] $array_start $array_end" \ "dump array as memory, default" make_dump_file "dump mem [set intstr2.bin] $struct_start $struct_end" \ "dump struct as memory, default" make_dump_file "dump bin mem [set intarr2b.bin] $array_start $array_end" \ "dump array as memory, binary" make_dump_file "dump bin mem [set intstr2b.bin] $struct_start $struct_end" \ "dump struct as memory, binary" make_dump_file "dump srec mem [set intarr2.srec] $array_start $array_end" \ "dump array as memory, srec" make_dump_file "dump srec mem [set intstr2.srec] $struct_start $struct_end" \ "dump struct as memory, srec" make_dump_file "dump ihex mem [set intarr2.ihex] $array_start $array_end" \ "dump array as memory, ihex" make_dump_file "dump ihex mem [set intstr2.ihex] $struct_start $struct_end" \ "dump struct as memory, ihex" make_dump_file "dump tekhex mem [set intarr2.tekhex] $array_start $array_end" \ "dump array as memory, tekhex" make_dump_file "dump tekhex mem [set intstr2.tekhex] $struct_start $struct_end" \ "dump struct as memory, tekhex" # test complex expressions make_dump_file \ "dump srec mem [set intarr3.srec] &intarray \(char *\) &intarray + sizeof intarray" \ "dump array as mem, srec, expressions" proc test_restore_saved_value { restore_args msg oldval newval } { global gdb_prompt gdb_test "restore $restore_args" \ "Restoring .*" \ "$msg; file restored ok" if { ![string compare $oldval \ [capture_value $newval "$msg"]] } then { pass "$msg; value restored ok" } else { fail "$msg; value restored ok" } } if ![string compare $is64bitonly "no"] then { gdb_test "print zero_all ()" ".*" test_restore_saved_value "[set intarr1.srec]" "array as value, srec" \ $array_val "intarray" test_restore_saved_value "[set intstr1.srec]" "struct as value, srec" \ $struct_val "intstruct" gdb_test "print zero_all ()" "void" "zero all" test_restore_saved_value "[set intarr2.srec]" "array as memory, srec" \ $array_val "intarray" test_restore_saved_value "[set intstr2.srec]" "struct as memory, srec" \ $struct_val "intstruct" gdb_test "print zero_all ()" ".*" test_restore_saved_value "[set intarr1.ihex]" "array as value, ihex" \ $array_val "intarray" test_restore_saved_value "[set intstr1.ihex]" "struct as value, ihex" \ $struct_val "intstruct" gdb_test "print zero_all ()" ".*" test_restore_saved_value "[set intarr2.ihex]" "array as memory, ihex" \ $array_val "intarray" test_restore_saved_value "[set intstr2.ihex]" "struct as memory, ihex" \ $struct_val "intstruct" gdb_test "print zero_all ()" ".*" test_restore_saved_value "[set intarr1.tekhex]" "array as value, tekhex" \ $array_val "intarray" test_restore_saved_value "[set intstr1.tekhex]" "struct as value, tekhex" \ $struct_val "intstruct" gdb_test "print zero_all ()" ".*" test_restore_saved_value "[set intarr2.tekhex]" "array as memory, tekhex" \ $array_val "intarray" test_restore_saved_value "[set intstr2.tekhex]" "struct as memory, tekhex" \ $struct_val "intstruct" } gdb_test "print zero_all ()" ".*" test_restore_saved_value "[set intarr1.bin] binary $array_start" \ "array as value, binary" \ $array_val "intarray" test_restore_saved_value "[set intstr1.bin] binary $struct_start" \ "struct as value, binary" \ $struct_val "intstruct" gdb_test "print zero_all ()" ".*" test_restore_saved_value "[set intarr2.bin] binary $array_start" \ "array as memory, binary" \ $array_val "intarray" test_restore_saved_value "[set intstr2.bin] binary $struct_start" \ "struct as memory, binary" \ $struct_val "intstruct" # test restore with offset. set array2_start [capture_value "/x &intarray2\[0\]"] set struct2_start [capture_value "/x &intstruct2"] set array2_offset \ [capture_value "(char *) &intarray2 - (char *) &intarray"] set struct2_offset \ [capture_value "(char *) &intstruct2 - (char *) &intstruct"] gdb_test "print zero_all ()" ".*" if ![string compare $is64bitonly "no"] then { test_restore_saved_value "[set intarr1.srec] $array2_offset" \ "array copy, srec" \ $array_val "intarray2" test_restore_saved_value "[set intstr1.srec] $struct2_offset" \ "struct copy, srec" \ $struct_val "intstruct2" gdb_test "print zero_all ()" ".*" test_restore_saved_value "[set intarr1.ihex] $array2_offset" \ "array copy, ihex" \ $array_val "intarray2" test_restore_saved_value "[set intstr1.ihex] $struct2_offset" \ "struct copy, ihex" \ $struct_val "intstruct2" gdb_test "print zero_all ()" ".*" test_restore_saved_value "[set intarr1.tekhex] $array2_offset" \ "array copy, tekhex" \ $array_val "intarray2" test_restore_saved_value "[set intstr1.tekhex] $struct2_offset" \ "struct copy, tekhex" \ $struct_val "intstruct2" } gdb_test "print zero_all ()" ".*" test_restore_saved_value "[set intarr1.bin] binary $array2_start" \ "array copy, binary" \ $array_val "intarray2" test_restore_saved_value "[set intstr1.bin] binary $struct2_start" \ "struct copy, binary" \ $struct_val "intstruct2" # # test restore with start/stop addresses. # # For this purpose, we will restore just the third element of the array, # and check to see that adjacent elements are not modified. # # We will need the address and offset of the third and fourth elements. # set element3_start [capture_value "/x &intarray\[3\]"] set element4_start [capture_value "/x &intarray\[4\]"] set element3_offset \ [capture_value "/x (char *) &intarray\[3\] - (char *) &intarray\[0\]"] set element4_offset \ [capture_value "/x (char *) &intarray\[4\] - (char *) &intarray\[0\]"] if ![string compare $is64bitonly "no"] then { gdb_test "print zero_all ()" ".*" test_restore_saved_value "[set intarr1.srec] 0 $element3_start $element4_start" \ "array partial, srec" 4 "intarray\[3\]" gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 1" gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 1" gdb_test "print zero_all ()" ".*" test_restore_saved_value "[set intarr1.ihex] 0 $element3_start $element4_start" \ "array partial, ihex" 4 "intarray\[3\]" gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 2" gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 2" gdb_test "print zero_all ()" ".*" test_restore_saved_value "[set intarr1.tekhex] 0 $element3_start $element4_start" \ "array partial, tekhex" 4 "intarray\[3\]" gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 3" gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 3" } gdb_test "print zero_all ()" ".*" test_restore_saved_value \ "[set intarr1.bin] binary $array_start $element3_offset $element4_offset" \ "array partial, binary" 4 "intarray\[3\]" gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 4" gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 4" if ![string compare $is64bitonly "no"] then { gdb_test "print zero_all ()" ".*" "" # restore with expressions test_restore_saved_value \ "[set intarr3.srec] (char*)${array2_start}-(char*)${array_start} &intarray\[3\] &intarray\[4\]" \ "array partial with expressions" 4 "intarray2\[3\]" gdb_test "print intarray2\[2\] == 0" " = 1" "element 2 not changed, == 4" gdb_test "print intarray2\[4\] == 0" " = 1" "element 4 not changed, == 4" } # Now start a fresh gdb session, and reload the saved value files. gdb_exit gdb_start gdb_file_cmd ${binfile} # Now fix the endianness at the correct state. gdb_test_multiple "set endian $endian" "set endianness" { -re ".* (big|little) endian.*$gdb_prompt $" { pass "setting $endian endianness" } } # Reload saved values one by one, and compare. if { ![string compare $array_val \ [capture_value "intarray" "file binfile; intarray"]] } then { fail "start with intarray un-initialized" } else { pass "start with intarray un-initialized" } if { ![string compare $struct_val \ [capture_value "intstruct" "file binfile; intstruct"]] } then { fail "start with intstruct un-initialized" } else { pass "start with intstruct un-initialized" } proc test_reload_saved_value { filename msg oldval newval } { global gdb_prompt gdb_file_cmd $filename if { ![string compare $oldval \ [capture_value $newval "$msg"]] } then { pass "$msg; value restored ok" } else { fail "$msg; value restored ok" } } # srec format can not be loaded for 64-bit-only platforms if ![string compare $is64bitonly "no"] then { test_reload_saved_value "[set intarr1.srec]" "reload array as value, srec" \ $array_val "\*$array_ptr_type" test_reload_saved_value "[set intstr1.srec]" "reload struct as value, srec" \ $struct_val "\*$struct_ptr_type" test_reload_saved_value "[set intarr2.srec]" "reload array as memory, srec" \ $array_val "\*$array_ptr_type" test_reload_saved_value "[set intstr2.srec]" "reload struct as memory, srec" \ $struct_val "\*$struct_ptr_type" } # ihex format can not be loaded for 64-bit-only platforms if ![string compare $is64bitonly "no"] then { test_reload_saved_value "[set intarr1.ihex]" \ "reload array as value, intel hex" \ $array_val "\*$array_ptr_type" test_reload_saved_value "[set intstr1.ihex]" \ "reload struct as value, intel hex" \ $struct_val "\*$struct_ptr_type" test_reload_saved_value "[set intarr2.ihex]" \ "reload array as memory, intel hex" \ $array_val "\*$array_ptr_type" test_reload_saved_value "[set intstr2.ihex]" \ "reload struct as memory, intel hex" \ $struct_val "\*$struct_ptr_type" } # tekhex format can not be loaded for 64-bit-only platforms if ![string compare $is64bitonly "no"] then { test_reload_saved_value "[set intarr1.tekhex]" \ "reload array as value, tekhex" \ $array_val "\*$array_ptr_type" test_reload_saved_value "[set intstr1.tekhex]" \ "reload struct as value, tekhex" \ $struct_val "\*$struct_ptr_type" test_reload_saved_value "[set intarr2.tekhex]" \ "reload array as memory, tekhex" \ $array_val "\*$array_ptr_type" test_reload_saved_value "[set intstr2.tekhex]" \ "reload struct as memory, tekhex" \ $struct_val "\*$struct_ptr_type" } # clean up files remote_exec host "rm -f $filenames"