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