| # Copyright 1998-2024 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/>. |
| |
| load_lib "trace-support.exp" |
| |
| standard_testfile unavailable.cc |
| set executable $testfile |
| |
| if {[prepare_for_testing "failed to prepare" $testfile $srcfile \ |
| {debug nowarnings c++ nopie}]} { |
| return -1 |
| } |
| |
| set ws "\[\r\n\t \]+" |
| |
| # |
| # Utility procs |
| # |
| |
| proc test_register { reg } { |
| global gdb_prompt |
| global hex |
| |
| gdb_test_multiple "print /x $reg" "collected $reg" { |
| -re "\\$\[0-9\]+ = \[x0\]+\r\n$gdb_prompt $" { |
| fail "collected $reg (zero)" |
| } |
| -re "\\$\[0-9\]+ = $hex\r\n$gdb_prompt $" { |
| pass "collected $reg" |
| } |
| -re "\[Ee\]rror.*$gdb_prompt $" { |
| fail "collected $reg (error)" |
| } |
| } |
| } |
| |
| proc test_register_unavailable { reg } { |
| gdb_test "print /x $reg" \ |
| "<unavailable>" \ |
| "correctly report $reg as unavailable" |
| } |
| |
| proc prepare_for_trace_test {} { |
| global executable |
| |
| clean_restart $executable |
| |
| runto_main |
| |
| gdb_breakpoint "begin" qualified |
| gdb_breakpoint "end" qualified |
| } |
| |
| proc run_trace_experiment { test_func } { |
| global gdb_prompt |
| |
| gdb_test "continue" \ |
| ".*Breakpoint \[0-9\]+, begin .*" \ |
| "advance to begin" |
| |
| gdb_test_no_output "tstart" "start trace experiment" |
| |
| gdb_test "continue" \ |
| "Continuing.*Breakpoint \[0-9\]+, end.*" \ |
| "run trace experiment" |
| gdb_test_no_output "tstop" \ |
| "stop trace experiment" |
| gdb_test "tfind start" \ |
| "#0 $test_func .*" \ |
| "tfind test frame" |
| } |
| |
| # Test that "display VAR" works as expected, assuming VAR is wholly |
| # unavailable. |
| |
| proc test_maybe_regvar_display { var } { |
| global gdb_prompt |
| |
| # Evaluating VAR's location description may throw an internal |
| # "unavailable" exception, if for example, the value of a register |
| # necessary for computing VAR's location is unavailable. Such an |
| # exception is caught, and should not cause automatic disablement |
| # of the current display being printed. (GDB used to disable the |
| # current display whenever any exception was thrown.) |
| set test "display $var" |
| gdb_test_multiple "$test" "$test" { |
| -re "Disabling display ? to avoid infinite recursion.*$gdb_prompt $" { |
| fail "$test" |
| } |
| -re "display ${var}\r\n1: ${var} = <unavailable>\r\n$gdb_prompt $" { |
| pass "$test" |
| } |
| } |
| gdb_test "info display" ".*1:\[ \t\]+y\[ \t\]+${var}" "display ${var} is enabled" |
| |
| gdb_test "undisp" \ |
| "" \ |
| "delete $var display" \ |
| ".*Delete all auto-display expressions.*y or n. $" \ |
| "y" |
| } |
| |
| # |
| # Test procs |
| # |
| |
| proc gdb_collect_args_test_1 {} { |
| # Test printing the variables, and also their addresses. We |
| # haven't collected any stack, so there's no way GDB can figure |
| # out the latter. |
| |
| gdb_test "print argc" " = <unavailable>" |
| gdb_test "print &argc" \ |
| "Can't take address of \"argc\" which isn't an lvalue\." |
| |
| gdb_test "print argi" " = <unavailable>" |
| gdb_test "print &argi" \ |
| "Can't take address of \"argi\" which isn't an lvalue\." |
| |
| gdb_test "print argf" " = <unavailable>" |
| gdb_test "print &argf" \ |
| "Can't take address of \"argf\" which isn't an lvalue\." |
| |
| gdb_test "print argd" " = <unavailable>" |
| gdb_test "print &argd" \ |
| "Can't take address of \"argd\" which isn't an lvalue\." |
| |
| # struct arg as one of several args (near end of list) |
| |
| gdb_test "print argstruct" " = <unavailable>" |
| |
| gdb_test "print argstruct.memberc" " = <unavailable>" |
| gdb_test "print argstruct.memberi" " = <unavailable>" |
| gdb_test "print argstruct.memberf" " = <unavailable>" |
| gdb_test "print argstruct.memberd" " = <unavailable>" |
| |
| gdb_test "print argarray" " = <unavailable>" |
| |
| gdb_test "print &argarray" \ |
| "Can't take address of \"argarray\" which isn't an lvalue\." |
| |
| gdb_test "print argarray\[0\]" "value is not available" |
| |
| # Test "info args" |
| set r [multi_line \ |
| "argc = <unavailable>" \ |
| "argi = <unavailable>" \ |
| "argf = <unavailable>" \ |
| "argd = <unavailable>" \ |
| "argstruct = <unavailable>" \ |
| "argarray = <unavailable>"] |
| gdb_test "info args" "$r" "info args" |
| |
| test_maybe_regvar_display "argc" |
| } |
| |
| proc gdb_collect_args_test {} { |
| with_test_prefix "unavailable arguments" { |
| global gdb_prompt |
| global testfile srcdir subdir binfile |
| global trace_file_targets |
| |
| prepare_for_trace_test |
| |
| gdb_test "trace args_test_func" \ |
| "Tracepoint \[0-9\]+ at .*" \ |
| "set tracepoint" |
| |
| # Begin the test. |
| run_trace_experiment args_test_func |
| |
| gdb_collect_args_test_1 |
| |
| gdb_test "tfind none" \ |
| "#0 end .*" \ |
| "cease trace debugging" |
| |
| set tracefile [standard_output_file ${testfile}] |
| gdb_test "tsave ${tracefile}.args.tfile" \ |
| "Trace data saved to file '${tracefile}.args.tfile'\\." \ |
| "tsave ${testfile}.args.tfile" |
| gdb_test "tsave -ctf ${tracefile}.args.ctf" \ |
| "Trace data saved to directory '${tracefile}.args.ctf'\\." \ |
| "save ctf trace file" |
| |
| foreach target_name ${trace_file_targets} { |
| # Restart GDB and read the trace data in ${TARGET_NAME} target. |
| clean_restart |
| gdb_file_cmd $binfile |
| gdb_test "target ${target_name} ${tracefile}.args.${target_name}" ".*" \ |
| "change to ${target_name} target" |
| |
| with_test_prefix "${target_name}" { |
| gdb_test "tfind start" "#0 args_test_func .*" \ |
| "tfind test frame" |
| gdb_collect_args_test_1 |
| } |
| } |
| } |
| } |
| |
| proc gdb_collect_locals_test_1 { func } { |
| gdb_test "print locc" " = <unavailable>" |
| gdb_test "print loci" " = <unavailable>" |
| gdb_test "print locf" " = <unavailable>" |
| gdb_test "print locd" " = <unavailable>" |
| |
| gdb_test "print locst.memberc" " = <unavailable>" |
| gdb_test "print locst.memberi" " = <unavailable>" |
| gdb_test "print locst.memberf" " = <unavailable>" |
| gdb_test "print locst.memberd" " = <unavailable>" |
| |
| gdb_test "print locar\[0\]" " = <unavailable>" |
| gdb_test "print locar\[1\]" " = <unavailable>" |
| gdb_test "print locar\[2\]" " = <unavailable>" |
| gdb_test "print locar\[3\]" " = <unavailable>" |
| |
| # Test "info locals" |
| set r "" |
| set r "${r}locf = <unavailable>" |
| set r "${r}locd = <unavailable>" |
| set r "${r}locst = <unavailable>" |
| set r "${r}locar = <unavailable>" |
| set r "${r}i = <unavailable>" |
| if { $func == "local_test_func" } { |
| set r "${r}locdefst = <unavailable>" |
| } |
| set r "${r}locc = <unavailable>" |
| set r "${r}loci = <unavailable>" |
| gdb_test "info locals" "$r" "info locals" |
| |
| test_maybe_regvar_display "loci" |
| } |
| |
| proc gdb_collect_locals_test { func msg } { |
| with_test_prefix "unavailable locals: $msg" { |
| global gdb_prompt |
| global testfile srcdir subdir binfile |
| global trace_file_targets |
| |
| prepare_for_trace_test |
| |
| set testline [gdb_get_line_number "set $func tracepoint here"] |
| |
| gdb_test "trace $testline" \ |
| "Tracepoint \[0-9\]+ at .*" \ |
| "set tracepoint" |
| |
| # Begin the test. |
| run_trace_experiment $func |
| |
| gdb_collect_locals_test_1 $func |
| |
| gdb_test "tfind none" \ |
| "#0 end .*" \ |
| "cease trace debugging" |
| |
| set tracefile [standard_output_file ${testfile}] |
| gdb_test "tsave ${tracefile}.locals.tfile" \ |
| "Trace data saved to file '${tracefile}.locals.tfile'\\." \ |
| "tsave ${testfile}.locals.tfile" |
| gdb_test "tsave -ctf ${tracefile}.locals.ctf" \ |
| "Trace data saved to directory '${tracefile}.locals.ctf'\\." \ |
| "save ctf trace file" |
| |
| foreach target_name ${trace_file_targets} { |
| # Restart GDB and read the trace data in ${TARGET_NAME} target. |
| clean_restart |
| gdb_file_cmd $binfile |
| gdb_test "target ${target_name} ${tracefile}.locals.${target_name}" ".*" \ |
| "change to ${target_name} target" |
| |
| with_test_prefix "${target_name}" { |
| gdb_test "tfind start" "#0 $func .*" \ |
| "tfind test frame" |
| gdb_collect_locals_test_1 $func |
| } |
| } |
| } |
| } |
| |
| proc gdb_unavailable_registers_test_1 { } { |
| global spreg |
| global pcreg |
| |
| # On some archs, the $sp/$pc are a real raw registers. On others, |
| # like x86, they're user registers. Test both variants. |
| test_register_unavailable "\$$spreg" |
| test_register_unavailable "\$sp" |
| |
| # Test reading uncollected pseudo-registers. The set of which |
| # depends on target. |
| if [is_amd64_regs_target] { |
| # Check the raw register first. |
| test_register_unavailable "\$rax" |
| test_register_unavailable "\$eax" |
| test_register_unavailable "\$ax" |
| } elseif [is_x86_like_target] { |
| # Check the raw register first. |
| test_register_unavailable "\$eax" |
| test_register_unavailable "\$ax" |
| } |
| |
| # GDBserver always provides the PC value of regular tracepoint |
| # hits, since it's the same as the tracepoint's address. |
| test_register "\$$pcreg" |
| test_register "\$pc" |
| |
| gdb_test "info registers" \ |
| ".*<unavailable>.*<unavailable>.*" \ |
| "info registers, multiple registers not available" |
| |
| gdb_test "info registers \$$spreg" \ |
| "<unavailable>" \ |
| "info registers \$$spreg reports not available" |
| } |
| |
| proc gdb_unavailable_registers_test { } { |
| with_test_prefix "unavailable registers" { |
| global testfile srcdir subdir binfile |
| global trace_file_targets |
| |
| prepare_for_trace_test |
| |
| # We'll simply re-use the globals_test_function for this test |
| gdb_test "trace globals_test_func" \ |
| "Tracepoint \[0-9\]+ at .*" \ |
| "set tracepoint" |
| |
| # Collect nothing. |
| |
| # Begin the test. |
| run_trace_experiment globals_test_func |
| |
| gdb_unavailable_registers_test_1 |
| |
| gdb_test "tfind none" "#0 end .*" "cease trace debugging" |
| |
| set tracefile [standard_output_file ${testfile}] |
| gdb_test "tsave ${tracefile}.registers.tfile" \ |
| "Trace data saved to file '${tracefile}.registers.tfile'\\." \ |
| "tsave ${testfile}.registers.tfile" |
| gdb_test "tsave -ctf ${tracefile}.registers.ctf" \ |
| "Trace data saved to directory '${tracefile}.registers.ctf'\\." \ |
| "save ctf trace file" |
| |
| foreach target_name ${trace_file_targets} { |
| # Restart GDB and read the trace data in ${TARGET_NAME} target. |
| clean_restart |
| gdb_file_cmd $binfile |
| gdb_test "target ${target_name} ${tracefile}.registers.${target_name}" ".*" \ |
| "change to ${target_name} target" |
| |
| with_test_prefix "${target_name}" { |
| gdb_test "tfind start" "#0 globals_test_func .*" \ |
| "tfind test frame" |
| gdb_unavailable_registers_test_1 |
| } |
| } |
| } |
| } |
| |
| proc gdb_unavailable_floats_1 { } { |
| global gdb_prompt |
| |
| # Necessarily target specific. |
| if {[istarget "x86_64-*-*"] || [istarget i?86-*]} { |
| send_gdb "info float\n" |
| gdb_expect_list "info float" ".*$gdb_prompt $" { |
| "Status Word: <unavailable>" |
| "Control Word: <unavailable>" |
| "Tag Word: <unavailable>" |
| "Instruction Pointer: <unavailable>:<unavailable>" |
| "Operand Pointer: <unavailable>:<unavailable>" |
| "Opcode: <unavailable>" |
| } |
| } |
| } |
| |
| proc gdb_unavailable_floats { } { |
| with_test_prefix "unavailable floats" { |
| global testfile srcdir subdir binfile |
| global trace_file_targets |
| |
| prepare_for_trace_test |
| |
| # We'll simply re-use the globals_test_function for this test |
| gdb_test "trace globals_test_func" \ |
| "Tracepoint \[0-9\]+ at .*" \ |
| "set tracepoint" |
| |
| # Collect nothing. |
| |
| # Begin the test. |
| run_trace_experiment globals_test_func |
| |
| gdb_unavailable_floats_1 |
| |
| gdb_test "tfind none" "#0 end .*" "cease trace debugging" |
| |
| set tracefile [standard_output_file ${testfile}] |
| gdb_test "tsave ${tracefile}.floats.tfile" \ |
| "Trace data saved to file '${tracefile}.floats.tfile'\\." \ |
| "tsave ${testfile}.floats.tfile" |
| gdb_test "tsave -ctf ${tracefile}.floats.ctf" \ |
| "Trace data saved to directory '${tracefile}.floats.ctf'\\." \ |
| "save ctf trace file" |
| |
| foreach target_name ${trace_file_targets} { |
| # Restart GDB and read the trace data in ${TARGET_NAME} target. |
| clean_restart |
| gdb_file_cmd $binfile |
| gdb_test "target ${target_name} ${tracefile}.floats.${target_name}" ".*" \ |
| "change to ${target_name} target" |
| |
| with_test_prefix "${target_name}" { |
| gdb_test "tfind start" "#0 globals_test_func .*" \ |
| "tfind test frame" |
| gdb_unavailable_floats_1 |
| } |
| } |
| } |
| } |
| |
| proc gdb_collect_globals_test_1 { } { |
| global ws |
| global gdb_prompt |
| global hex |
| |
| gdb_test "print globalc" " = <unavailable>" |
| gdb_test "print globali" " = <unavailable>" |
| gdb_test "print globalf" " = <unavailable>" |
| gdb_test "print globald" " = <unavailable>" |
| |
| gdb_test "print globalstruct.memberc" " = <unavailable>" |
| gdb_test "print globalstruct.memberi" " = <unavailable>" |
| gdb_test "print globalstruct.memberf" " = <unavailable>" |
| gdb_test "print globalstruct.memberd" " = <unavailable>" |
| |
| gdb_test "print globalstruct" " = <unavailable>" |
| |
| gdb_test "print globalp == &globalstruct" \ |
| "value is not available" \ |
| "can't compare using non collected global pointer" |
| |
| gdb_test "print globalarr\[1\]" " = <unavailable>" |
| gdb_test "print globalarr\[2\]" " = <unavailable>" |
| gdb_test "print globalarr\[3\]" " = <unavailable>" |
| |
| gdb_test "print struct_b" \ |
| " = {d = <unavailable>, ef = <unavailable>, struct_a = {a = <unavailable>, b = <unavailable>, array = {<unavailable>, <unavailable>, -1431655766, <unavailable> <repeats 97 times>, -1431655766, <unavailable> <repeats 9899 times>}, ptr = <unavailable>, bitfield = <unavailable>}, s = <unavailable>, static static_struct_a = {a = <unavailable>, b = <unavailable>, array = {<unavailable> <repeats 10000 times>}, ptr = <unavailable>, bitfield = <unavailable>}, string = <unavailable>}" |
| |
| gdb_test "print /x struct_b" \ |
| " = {d = <unavailable>, ef = <unavailable>, struct_a = {a = <unavailable>, b = <unavailable>, array = {<unavailable>, <unavailable>, 0xaaaaaaaa, <unavailable> <repeats 97 times>, 0xaaaaaaaa, <unavailable> <repeats 9899 times>}, ptr = <unavailable>, bitfield = <unavailable>}, s = <unavailable>, static static_struct_a = {a = <unavailable>, b = <unavailable>, array = {<unavailable> <repeats 10000 times>}, ptr = <unavailable>, bitfield = <unavailable>}, string = <unavailable>}" |
| |
| gdb_test "print /x struct_b.struct_a" \ |
| " = {a = <unavailable>, b = <unavailable>, array = {<unavailable>, <unavailable>, 0xaaaaaaaa, <unavailable> <repeats 97 times>, 0xaaaaaaaa, <unavailable> <repeats 9899 times>}, ptr = <unavailable>, bitfield = <unavailable>}" |
| |
| gdb_test "print /x struct_b.struct_a.array" \ |
| " = {<unavailable>, <unavailable>, 0xaaaaaaaa, <unavailable> <repeats 97 times>, 0xaaaaaaaa, <unavailable> <repeats 9899 times>}" |
| |
| gdb_test "print /x struct_b.struct_a.array\[0\]" " = <unavailable>" |
| |
| gdb_test "print /x struct_b.struct_a.array\[2\]" " = 0xaaaaaaaa" |
| |
| # Check the target doesn't overcollect. GDB used to merge memory |
| # ranges to collect if they were close enough (collecting the hole |
| # as well), but does not do that anymore. It's plausible that a |
| # target may do this on its end, but as of this writing, no known |
| # target does it. |
| gdb_test "print {a, b, c}" \ |
| " = \\{1, <unavailable>, 3\\}" \ |
| "No overcollect of almost but not quite adjacent memory ranges" |
| |
| # Check <unavailable> isn't confused with 0 in array element repetitions |
| |
| gdb_test_no_output "set print repeat 1" |
| |
| gdb_test "print /x tarray" \ |
| " = \{\{a = 0x0, b = <unavailable>\} <repeats 2 times>, \{a = <unavailable>, b = <unavailable>\}, \{a = 0x0, b = 0x0\}, \{a = <unavailable>, b = 0x0\} <repeats 2 times>, \{a = <unavailable>, b = <unavailable>\} <repeats 2 times>\}" \ |
| "<unavailable> is not the same as 0 in array element repetitions" |
| |
| gdb_test_no_output "set print repeat 10" |
| |
| # Check that value repeat handles unavailable-ness. |
| gdb_test "print *tarray@3" " = \\{\\{a = 0, b = <unavailable>\\}, \\{a = 0, b = <unavailable>\\}, \\{a = <unavailable>, b = <unavailable>\\}\\}" |
| |
| # Static fields |
| |
| gdb_test "print struct_b.static_struct_a" " = <unavailable>" |
| |
| # Bitfields |
| |
| gdb_test "print struct_b.struct_a.bitfield" " = <unavailable>" |
| |
| # References |
| |
| gdb_test "print g_int" " = <unavailable>" |
| |
| gdb_test "print g_ref" \ |
| "\\(int &\\) @$hex: <unavailable>" \ |
| "global reference shows address but not value" |
| |
| gdb_test "print *&g_ref" \ |
| "\\$\[0-9\]+ = <unavailable>" \ |
| "referenced integer was not collected (taking address of reference)" |
| |
| gdb_test "print *g_structref_p" " = <unavailable>" |
| |
| # Strings |
| |
| # Const string is always available, even when not collected. |
| gdb_test "print g_const_string" \ |
| " = \"hello world\"" \ |
| "non collected const string is still printable" |
| |
| gdb_test "print g_string_p" \ |
| " = $hex <g_const_string> \"hello world\"" \ |
| "printing constant string through collected pointer" |
| |
| gdb_test "print g_string_unavail" \ |
| " = <unavailable>" \ |
| "printing non collected string" |
| |
| # Incomplete strings print as an array. |
| gdb_test "print g_string_partial" \ |
| "\\$\[0-9\]+ = \{<unavailable>, 101 'e', 108 'l', <unavailable>, <unavailable>, <unavailable>, <unavailable>, <unavailable>, <unavailable>, <unavailable>, <unavailable>, <unavailable>\}" \ |
| "printing partially collected string" |
| |
| # It is important for this test that the last examined value is |
| # <unavailable>, to exercise the case of the $__ convenience |
| # variable being set to <unavailable> without error. |
| set msg "examining partially collected object" |
| gdb_test_multiple "x /10x &struct_b" "$msg" { |
| -re "$hex <struct_b>:${ws}<unavailable>${ws}<unavailable>${ws}<unavailable>${ws}<unavailable>\r\n$hex <struct_b\\+16>:${ws}<unavailable>${ws}<unavailable>${ws}0xaaaaaaaa${ws}<unavailable>\r\n$hex <struct_b\\+32>:${ws}<unavailable>${ws}<unavailable>\r\n$gdb_prompt $" { |
| pass "$msg" |
| } |
| -re "value is not available" { |
| fail "$msg" |
| } |
| } |
| |
| gdb_test "p \$__" " = <unavailable>" "last examined value was <unavailable>" |
| |
| # This tests that building the array does not require accessing |
| # g_int's contents. |
| gdb_test "print { 1, g_int, 3 }" \ |
| " = \\{1, <unavailable>, 3\\}" \ |
| "build array from unavailable value" |
| |
| # Note, depends on previous test. |
| gdb_test "print \$\[1\]" \ |
| " = <unavailable>" \ |
| "subscript a non-memory rvalue array, accessing an unvailable element" |
| |
| # Access a field of a non-lazy value, making sure the |
| # unavailable-ness is propagated. History values are easy |
| # non-lazy values, so use those. The first test just sets up for |
| # the second. |
| gdb_test "print g_smallstruct" " = <unavailable>" |
| gdb_test "print \$.member" " = <unavailable>" |
| |
| # Cast to baseclass, checking the unavailable-ness is propagated. |
| gdb_test "print (small_struct) g_smallstruct_b" " = <unavailable>" |
| |
| # Same cast, but starting from a non-lazy, value. |
| gdb_test "print g_smallstruct_b" " = <unavailable>" |
| gdb_test "print (small_struct) \$" " = <unavailable>" |
| |
| gdb_test_no_output "set print object on" |
| |
| with_test_prefix "print object on" { |
| # With print object on, printing a pointer may need to fetch |
| # the pointed-to object, to check its run-time type. Make |
| # sure that fails gracefully and transparently when the |
| # pointer itself is unavailable. |
| gdb_test "print virtualp" " = <unavailable>" |
| |
| # no vtable pointer available |
| gdb_test "print derived_unavail" " = <unavailable>" |
| |
| # vtable pointer available, but nothing else |
| gdb_test "print derived_partial" \ |
| " = \\(Derived\\) {<Middle> = {<Base> = <unavailable>, _vptr.Middle = <unavailable>, y = <unavailable>}, _vptr.Derived = $hex <vtable for Derived.*>, z = <unavailable>}" |
| |
| # whole object available |
| gdb_test "print derived_whole" \ |
| " = \\(Derived\\) {<Middle> = {<Base> = {x = 2}, _vptr.Middle = ${hex}( <\[^>]*>)?, y = 3}, _vptr.Derived = $hex <vtable for Derived.*>, z = 4}" |
| } |
| |
| gdb_test_no_output "set print object off" |
| |
| with_test_prefix "print object off" { |
| gdb_test "print virtualp" " = <unavailable>" |
| |
| # no vtable pointer available |
| gdb_test "print derived_unavail" \ |
| " = <unavailable>" |
| |
| # vtable pointer available, but nothing else |
| gdb_test "print derived_partial" \ |
| " = {<Middle> = {<Base> = <unavailable>, _vptr.Middle = <unavailable>, y = <unavailable>}, _vptr.Derived = $hex <vtable for Derived.*>, z = <unavailable>}" |
| |
| # whole object available |
| gdb_test "print derived_whole" \ |
| " = {<Middle> = {<Base> = {x = 2}, _vptr.Middle = ${hex}( <\[^>]*>)?, y = 3}, _vptr.Derived = $hex <vtable for Derived.*>, z = 4}" |
| } |
| |
| # An instance of a virtual class where we collected everything but |
| # the vptr. |
| gdb_test "print virtual_partial" \ |
| " = {_vptr.Virtual = <unavailable>, z = 0}" |
| } |
| |
| proc gdb_collect_globals_test { } { |
| with_test_prefix "collect globals" { |
| global testfile binfile srcdir subdir |
| global trace_file_targets |
| |
| prepare_for_trace_test |
| |
| set testline [gdb_get_line_number "set globals_test_func tracepoint here"] |
| |
| gdb_test "trace $testline" \ |
| "Tracepoint \[0-9\]+ at .*" \ |
| "set tracepoint" |
| |
| # We collect the initial sizeof(pointer) bytes of derived_partial |
| # in an attempt of collecting the vptr. Not portable, but should |
| # work everywhere we need to care. |
| gdb_trace_setactions "define actions" \ |
| "" \ |
| "collect struct_b.struct_a.array\[2\]" "^$" \ |
| "collect struct_b.struct_a.array\[100\]" "^$" \ |
| \ |
| "collect a" "^$" \ |
| "collect c" "^$" \ |
| \ |
| "collect tarray\[0\].a" "^$" \ |
| "collect tarray\[1\].a" "^$" \ |
| "collect tarray\[3\].a" "^$" \ |
| "collect tarray\[3\].b" "^$" \ |
| "collect tarray\[4\].b" "^$" \ |
| "collect tarray\[5\].b" "^$" \ |
| \ |
| "collect g_string_p" "^$" \ |
| "collect g_string_partial\[1\]" "^$" \ |
| "collect g_string_partial\[2\]" "^$" \ |
| \ |
| "collect g_structref_p" "^$" \ |
| \ |
| "collect *((char *)&derived_partial)@sizeof\(void *\)" "^$" \ |
| "collect derived_whole" "^$" \ |
| \ |
| "collect virtual_partial.z" "^$" |
| |
| # Begin the test. |
| run_trace_experiment globals_test_func |
| |
| gdb_collect_globals_test_1 |
| |
| gdb_test "tfind none" \ |
| "#0 end .*" \ |
| "cease trace debugging" |
| |
| set tracefile [standard_output_file ${testfile}] |
| gdb_test "tsave ${tracefile}.globals.tfile" \ |
| "Trace data saved to file '${tracefile}.globals.tfile'\\." \ |
| "tsave ${testfile}.globals.tfile" |
| gdb_test "tsave -ctf ${tracefile}.globals.ctf" \ |
| "Trace data saved to directory '${tracefile}.globals.ctf'\\." \ |
| "save ctf trace file" |
| |
| foreach target_name ${trace_file_targets} { |
| # Restart GDB and read the trace data in ${TARGET_NAME} target. |
| clean_restart |
| gdb_file_cmd $binfile |
| gdb_test "target ${target_name} ${tracefile}.globals.${target_name}" ".*" \ |
| "change to ${target_name} target" |
| |
| with_test_prefix "${target_name}" { |
| gdb_test "tfind start" "#0 globals_test_func .*" \ |
| "tfind test frame" |
| gdb_collect_globals_test_1 |
| } |
| } |
| |
| } |
| } |
| |
| proc gdb_trace_collection_test {} { |
| gdb_collect_globals_test |
| gdb_unavailable_registers_test |
| gdb_unavailable_floats |
| |
| gdb_collect_args_test |
| gdb_collect_locals_test local_test_func "auto locals" |
| gdb_collect_locals_test reglocal_test_func "register locals" |
| gdb_collect_locals_test statlocal_test_func "static locals" |
| } |
| |
| runto_main |
| |
| if {![gdb_target_supports_trace]} { |
| unsupported "current target does not support trace" |
| return 1 |
| } |
| |
| set trace_file_targets [list "tfile"] |
| gdb_test_multiple "target ctf" "" { |
| -re "Undefined target command: \"ctf\"\. Try \"help target\"\.\r\n$gdb_prompt $" { |
| } |
| -re "No CTF directory specified.*\r\n$gdb_prompt $" { |
| lappend trace_file_targets "ctf" |
| } |
| } |
| |
| # Body of test encased in a proc so we can return prematurely. |
| gdb_trace_collection_test |
| |
| # Finished! |
| gdb_test "tfind none" ".*" "" |
