-# Copyright 1998, 2005, 2007, 2008, 2009, 2010, 2011
-# Free Software Foundation, Inc.
+# Copyright 1998-2013 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
load_lib "trace-support.exp"
-set testfile "unavailable"
-set srcfile ${testfile}.cc
+standard_testfile unavailable.cc
set executable $testfile
-set binfile $objdir/$subdir/$executable
-if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
- executable {debug nowarnings c++}] != "" } {
- untested unavailable.exp
+if {[prepare_for_testing $testfile.exp $testfile $srcfile \
+ {debug nowarnings c++}]} {
return -1
}
set ws "\[\r\n\t \]+"
set cr "\[\r\n\]+"
-if [istarget "x86_64-*"] then {
+if [is_amd64_regs_target] {
set fpreg "rbp"
set spreg "rsp"
set pcreg "rip"
-} elseif [istarget "i?86-*"] then {
+} elseif [is_x86_like_target] {
set fpreg "ebp"
set spreg "esp"
set pcreg "eip"
"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_unavailable_registers_test { } {
+proc gdb_collect_args_test {} { with_test_prefix "unavailable arguments" {
+ global cr
+ global gdb_prompt
+
+ 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
+
+ # 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" \
+ " = \{memberc = <unavailable>, memberi = <unavailable>, memberf = <unavailable>, memberd = <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" " = \\(int \\*\\) <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 ""
+ set r "${r}argc = <unavailable>${cr}"
+ set r "${r}argi = <unavailable>${cr}"
+ set r "${r}argf = <unavailable>${cr}"
+ set r "${r}argd = <unavailable>${cr}"
+ set r "${r}argstruct = {memberc = <unavailable>, memberi = <unavailable>, memberf = <unavailable>, memberd = <unavailable>}${cr}"
+ set r "${r}argarray = <unavailable>${cr}"
+ gdb_test "info args" "$r" "info args"
+
+ test_maybe_regvar_display "argc"
+
+ gdb_test "tfind none" \
+ "#0 end .*" \
+ "cease trace debugging"
+}}
+
+proc gdb_collect_locals_test { func msg } { with_test_prefix "unavailable locals: $msg" {
+ global cr
+ global gdb_prompt
+
+ 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_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 "${r}locf = <unavailable>${cr}"
+ set r "${r}locd = <unavailable>${cr}"
+ set r "${r}locst = {memberc = <unavailable>, memberi = <unavailable>, memberf = <unavailable>, memberd = <unavailable>}${cr}"
+ set r "${r}locar = {<unavailable>, <unavailable>, <unavailable>, <unavailable>}${cr}"
+ set r "${r}i = <unavailable>${cr}"
+ if { $func == "local_test_func" } {
+ set r "${r}locdefst = {<No data fields>}${cr}"
+ }
+ set r "${r}locc = <unavailable>${cr}"
+ set r "${r}loci = <unavailable>${cr}"
+ gdb_test "info locals" "$r" "info locals"
+
+ test_maybe_regvar_display "loci"
+
+ gdb_test "tfind none" \
+ "#0 end .*" \
+ "cease trace debugging"
+}}
+
+proc gdb_unavailable_registers_test { } { with_test_prefix "unavailable registers" {
global gdb_prompt
global spreg
global pcreg
- global pf_prefix
-
- set old_pf_prefix $pf_prefix
- set pf_prefix "$pf_prefix unavailable registers:"
prepare_for_trace_test
# Test reading uncollected pseudo-registers. The set of which
# depends on target.
- if [istarget "x86_64-*"] then {
+ if [is_amd64_regs_target] {
# Check the raw register first.
test_register_unavailable "\$rax"
test_register_unavailable "\$eax"
test_register_unavailable "\$ax"
- } elseif [istarget "i?86-*"] then {
+ } elseif [is_x86_like_target] {
# Check the raw register first.
test_register_unavailable "\$eax"
test_register_unavailable "\$ax"
"info registers \$$spreg reports not available"
gdb_test "tfind none" "#0 end .*" "cease trace debugging"
+}}
+
+proc gdb_unavailable_floats { } {
+ global gdb_prompt
+
+ with_test_prefix "unavailable floats" {
+ 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"
- set pf_prefix $old_pf_prefix
+ # Collect nothing.
+
+ # Begin the test.
+ run_trace_experiment globals_test_func
+
+ # Necessarily target specific.
+ if {[istarget "x86_64-*-*"] || [istarget i?86-*]} {
+ send_gdb "info float\n"
+ gdb_expect_list "info float" ".*$gdb_prompt $" {
+ "Status Word: <unavailable>"
+ "Control Word: <unavailable>"
+ "Tag Word: <unavailable>"
+ "Instruction Pointer: <unavailable>:<unavailable>"
+ "Operand Pointer: <unavailable>:<unavailable>"
+ "Opcode: <unavailable>"
+ }
+ }
+
+ gdb_test "tfind none" "#0 end .*" "cease trace debugging"
+ }
}
-proc gdb_collect_globals_test { } {
+proc gdb_collect_globals_test { } { with_test_prefix "collect globals" {
global ws
global cr
global gdb_prompt
global hex
- global pf_prefix
-
- set old_pf_prefix $pf_prefix
- set pf_prefix "$pf_prefix collect globals:"
prepare_for_trace_test
"non collected const string is still printable"
gdb_test "print g_string_p" \
- " = $hex \"hello world\"" \
+ " = $hex <g_const_string> \"hello world\"" \
"printing constant string through collected pointer"
gdb_test "print g_string_unavail" \
gdb_test_no_output "set print object on"
- set old_pf_prefix_2 $pf_prefix
- set pf_prefix "$pf_prefix 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" " = \\(Virtual \\*\\) <unavailable>"
- # 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" " = \\(Virtual \\*\\) <unavailable>"
+ # no vtable pointer available
+ gdb_test "print derived_unavail" \
+ " = {<Middle> = <unavailable>, _vptr.Derived = <unavailable>, z = <unavailable>}"
- # no vtable pointer available
- gdb_test "print derived_unavail" \
- " = {<Middle> = <unavailable>, _vptr.Derived = <unavailable>, z = <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>}"
- # vtable pointer available, but nothing else
- gdb_test "print derived_partial" \
- " = \\(Derived\\) {<Middle> = {<Base> = <unavailable>, _vptr.Middle = <unavailable>, y = <unavailable>}, _vptr.Derived = $hex, z = <unavailable>}"
-
- # whole object available
- gdb_test "print derived_whole" \
- " = \\(Derived\\) {<Middle> = {<Base> = {x = 2}, _vptr.Middle = $hex, y = 3}, _vptr.Derived = $hex, z = 4}"
-
- set pf_prefix $old_pf_prefix_2
+ # whole object available
+ gdb_test "print derived_whole" \
+ " = \\(Derived\\) {<Middle> = {<Base> = {x = 2}, _vptr.Middle = $hex, y = 3}, _vptr.Derived = $hex <vtable for Derived.*>, z = 4}"
+ }
gdb_test_no_output "set print object off"
- set pf_prefix "$pf_prefix print object off:"
-
- gdb_test "print virtualp" " = \\(Virtual \\*\\) <unavailable>"
-
- # no vtable pointer available
- gdb_test "print derived_unavail" \
- " = {<Middle> = <unavailable>, _vptr.Derived = <unavailable>, z = <unavailable>}"
+ with_test_prefix "print object off" {
+ gdb_test "print virtualp" " = \\(Virtual \\*\\) <unavailable>"
- # vtable pointer available, but nothing else
- gdb_test "print derived_partial" \
- " = {<Middle> = {<Base> = <unavailable>, _vptr.Middle = <unavailable>, y = <unavailable>}, _vptr.Derived = $hex, z = <unavailable>}"
+ # no vtable pointer available
+ gdb_test "print derived_unavail" \
+ " = {<Middle> = <unavailable>, _vptr.Derived = <unavailable>, z = <unavailable>}"
- # whole object available
- gdb_test "print derived_whole" \
- " = {<Middle> = {<Base> = {x = 2}, _vptr.Middle = $hex, y = 3}, _vptr.Derived = $hex, z = 4}"
+ # 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>}"
- set pf_prefix $old_pf_prefix_2
+ # 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 "tfind none" \
"#0 end .*" \
"cease trace debugging"
-
- set pf_prefix $old_pf_prefix
-}
+}}
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"
}
-clean_restart $executable
runto_main
-# We generously give ourselves one "pass" if we successfully
-# detect that this test cannot be run on this target!
if { ![gdb_target_supports_trace] } then {
- pass "Current target does not support trace"
+ unsupported "Current target does not support trace"
return 1;
}
projects / thirdparty / binutils-gdb.git / blobdiff