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# Copyright 1998, 2005, 2007, 2008, 2009, 2010, 2011
# 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"
set testfile "unavailable"
set srcfile ${testfile}.cc
set executable $testfile
set binfile $objdir/$subdir/$executable
if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
executable {debug nowarnings c++}] != "" } {
untested unavailable.exp
return -1
}
set ws "\[\r\n\t \]+"
set cr "\[\r\n\]+"
#
# Utility procs
#
proc prepare_for_trace_test {} {
global executable
clean_restart $executable
runto_main
gdb_test "break begin" ".*" ""
gdb_test "break end" ".*" ""
}
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 "tstop" \
"\[\r\n\]+" \
"stop trace experiment"
gdb_test "tfind start" \
"#0 $test_func .*" \
"tfind test frame"
}
#
# Test procs
#
proc gdb_collect_globals_test { } {
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
set testline [gdb_get_line_number "set globals_test_func tracepoint here"]
gdb_test "trace $testline" \
"Tracepoint \[0-9\]+ at .*" \
"set tracepoint"
gdb_trace_setactions "define actions" \
"" \
"collect struct_b.struct_a.array\[2\]" "^$" \
"collect struct_b.struct_a.array\[100\]" "^$" \
\
"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\[2\]" "^$" \
\
"collect g_structref_p" "^$" \
# Begin the test.
run_trace_experiment globals_test_func
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" \
" = {memberc = <unavailable>, memberi = <unavailable>, memberf = <unavailable>, memberd = <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 <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" \
" = {a = <unavailable>, b = <unavailable>, array = {<unavailable> <repeats 10000 times>}, ptr = <unavailable>, bitfield = <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>$cr" \
"referenced integer was not collected (taking address of reference)"
gdb_test "print *g_structref_p" \
" = {d = <unavailable>, ref = <unavailable>}"
# Strings
# Const string is always available, even when not collected.
gdb_test "print g_const_string" \
" = \"hello world\"$cr" \
"non collected const string is still printable"
gdb_test "print g_string_p" \
" = $hex \"hello world\"" \
"printing constant string through collected pointer"
gdb_test "print g_string_unavail" \
" = \{<unavailable> <repeats 12 times>\}" \
"printing non collected string"
# Incomplete strings print as an array.
gdb_test "print g_string_partial" \
"\\$\[0-9\]+ = \{<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>${ws}<unavailable>$cr$hex <struct_b\\+16>:${ws}<unavailable>${ws}<unavailable>${ws}0xaaaaaaaa${ws}<unavailable>$cr$hex <struct_b\\+32>:${ws}<unavailable>${ws}<unavailable>$cr$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" " = \\{member = <unavailable>\\}"
gdb_test "print \$.member" " = <unavailable>"
# Cast to baseclass, checking the unavailable-ness is propagated.
gdb_test "print (small_struct) g_smallstruct_b" " = \\{member = <unavailable>\\}"
# Same cast, but starting from a non-lazy, value.
gdb_test "print g_smallstruct_b" " = \\{<small_struct> = \\{member = <unavailable>\\}, <No data fields>\\}"
gdb_test "print (small_struct) \$" " = \\{member = <unavailable>\\}"
gdb_test "tfind none" \
"#0 end .*" \
"cease trace debugging"
set pf_prefix $old_pf_prefix
}
proc gdb_trace_collection_test {} {
gdb_collect_globals_test
}
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"
return 1;
}
# Body of test encased in a proc so we can return prematurely.
gdb_trace_collection_test
# Finished!
gdb_test "tfind none" ".*" ""
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