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# Copyright 2002-2015 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 <http://www.gnu.org/licenses/>.
# 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 intarr1.verilog
intarr2.bin intarr2b.bin intarr2.ihex
intarr2.srec intarr2.tekhex intarr2.verilog
intstr1.bin intstr1b.bin intstr1.ihex
intstr1.srec intstr1.tekhex intstr1.verilog
intstr2.bin intstr2b.bin intstr2.ihex
intstr2.srec intstr2.tekhex intstr2.verilog
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"
make_dump_file "dump verilog val [set intarr1.verilog] intarray" \
"dump array as value, intel hex"
make_dump_file "dump verilog val [set intstr1.verilog] intstruct" \
"dump struct as value, intel hex"
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"
make_dump_file "dump verilog mem [set intarr2.verilog] $array_start $array_end" \
"dump array as memory, verilog"
make_dump_file "dump verilog mem [set intstr2.verilog] $struct_start $struct_end" \
"dump struct as memory, verilog"
# 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"
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