# Copyright 1998 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 2 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# Please email any bugs, comments, and/or additions to this file to:
# bug-gdb@prep.ai.mit.edu
if [istarget "m68k-*-elf"] then {
pass "Test not supported on this target"
return;
}
load_lib "trace-support.exp"
if $tracelevel then {
strace $tracelevel
}
set prms_id 0
set bug_id 0
set testfile "limits"
set srcfile ${testfile}.c
set binfile $objdir/$subdir/$testfile
if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
executable {debug additional_flags=-w}] != "" } {
gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
}
# Tests:
# 1) Meet and exceed artificial limit on number of tracepoints
# 2) Meet and exceed artificial limit on number of memranges
# 3) Meet and exceed artificial limit on bytes of bytecode data
# [NOTE: number four is moved out into its own separate test module.]
# 4) Meet and exceed artificial limit on bytes of trace buffer storage
# (circular and non-circular modes). However note that a more
# thorough test of the circular mode can be made separately.
set cr "\[\r\n\]+"
proc gdb_tracepoint_limit_test { } {
global gdb_prompt
global cr
# Make sure we're in a sane starting state.
gdb_test "tstop" "" ""
gdb_test "tfind none" "" ""
gdb_delete_tracepoints
# Set three tracepoints
gdb_test "trace foo" \
"Tracepoint \[0-9\]+ at .*" \
"tracepoint limit test: set first tracepoint"
gdb_test "trace bar" \
"Tracepoint \[0-9\]+ at .*" \
"tracepoint limit test: set second tracepoint"
gdb_test "trace baz" \
"Tracepoint \[0-9\]+ at .*" \
"tracepoint limit test: set third tracepoint"
# Set secret artificial tracepoint limit to four
gdb_test "maint packet QTLimit:tp:4" \
"received: .OK." \
"tracepoint limit test: set limit to four"
# Now sending three tracepoints should succeed.
send_gdb "tstart\n"
gdb_expect {
-re "$cr$gdb_prompt" {
pass "tracepoint limit test: send fewer than limit"
}
default {
fail "tracepoint limit test: send fewer than limit"
}
}
# Set secret artificial tracepoint limit to three
gdb_test "maint packet QTLimit:tp:3" \
"received: .OK." \
"tracepoint limit test: set limit to three"
# Now sending three tracepoints should still succeed.
send_gdb "tstart\n"
gdb_expect {
-re "$cr$gdb_prompt" {
pass "tracepoint limit test: send equal to limit"
}
default {
fail "tracepoint limit test: send equal to limit"
}
}
# Set secret artificial tracepoint limit to two
gdb_test "maint packet QTLimit:tp:2" \
"received: .OK." \
"tracepoint limit test: set limit to two"
# Now sending three tracepoints should fail.
gdb_test "tstart" \
".*\[Ee\]rror.*" \
"tracepoint limit test: send more than limit"
# Clean up:
gdb_test "tstop" "" ""
gdb_test "maint packet QTLimit:tp:FFFFFFFF" "" ""
}
proc gdb_memrange_limit_test { } {
global gdb_prompt
global cr
# Make sure we're in a sane starting state.
gdb_test "tstop" "" ""
gdb_test "tfind none" "" ""
gdb_delete_tracepoints
# Set three tracepoints, and make 'em collect memranges
gdb_test "trace foo" \
"Tracepoint \[0-9\]+ at .*" \
"memrange limit test: set first tracepoint"
gdb_trace_setactions "memrange limit test: set first actions" \
"" \
"collect \$arg" "^$"
gdb_test "trace bar" \
"Tracepoint \[0-9\]+ at .*" \
"memrange limit test: set second tracepoint"
gdb_trace_setactions "memrange limit test: set second actions" \
"" \
"collect \$arg" "^$"
gdb_test "trace baz" \
"Tracepoint \[0-9\]+ at .*" \
"memrange limit test: set third tracepoint"
gdb_trace_setactions "memrange limit test: set third actions" \
"" \
"collect \$arg" "^$"
# Set secret artificial memrange limit to four
gdb_test "maint packet QTLimit:memrange:4" \
"received: .OK." \
"memrange limit test: set limit to four"
# Now sending three memranges should still succeed.
send_gdb "tstart\n"
gdb_expect {
-re "$cr$gdb_prompt" {
pass "memrange limit test: send fewer than limit"
}
default {
fail "memrange limit test: send fewer than limit"
}
}
# Set secret artificial memrange limit to three
gdb_test "maint packet QTLimit:memrange:3" \
"received: .OK." \
"memrange limit test: set limit to three"
# Now sending three memranges should still succeed.
send_gdb "tstart\n"
gdb_expect {
-re "$cr$gdb_prompt" {
pass "memrange limit test: send equal to limit"
}
default {
fail "memrange limit test: send equal to limit"
}
}
# Set secret artificial memrange limit to two
gdb_test "maint packet QTLimit:memrange:2" \
"received: .OK." \
"memrange limit test: set limit to two"
# Now sending three memranges should fail.
gdb_test "tstart" \
".*\[Ee\]rror.*" \
"memrange limit test: send more than limit"
# Clean up:
gdb_test "tstop" "" ""
gdb_test "maint packet QTLimit:memrange:FFFFFFFF" "" ""
}
proc gdb_bytecode_limit_test { } {
global gdb_prompt
global cr
# Make sure we're in a sane starting state.
gdb_test "tstop" "" ""
gdb_test "tfind none" "" ""
gdb_delete_tracepoints
# Set three tracepoints
gdb_test "trace foo" \
"Tracepoint \[0-9\]+ at .*" \
"bytecode limit test: set first tracepoint"
gdb_trace_setactions "bytecode limit test: set first actions" \
"" \
"collect x + n" "^$"
gdb_test "trace bar" \
"Tracepoint \[0-9\]+ at .*" \
"bytecode limit test: set second tracepoint"
gdb_trace_setactions "bytecode limit test: set second actions" \
"" \
"collect y + n" "^$"
gdb_test "trace baz" \
"Tracepoint \[0-9\]+ at .*" \
"bytecode limit test: set third tracepoint"
gdb_trace_setactions "bytecode limit test: set third actions" \
"" \
"collect z + n" "^$"
# Set secret artificial bytecode limit to a large number
gdb_test "maint packet QTLimit:bytecode:400" \
"received: .OK." \
"bytecode limit test: set limit to large"
# Now sending three bytecodes should still succeed.
send_gdb "tstart\n"
gdb_expect {
-re "$cr$gdb_prompt" {
pass "bytecode limit test: send fewer than limit"
}
default {
fail "bytecode limit test: send fewer than limit"
}
}
# Set secret artificial bytecode limit to a small number
gdb_test "maint packet QTLimit:bytecode:40" \
"received: .OK." \
"bytecode limit test: set limit to small"
# Now sending three bytecodes should fail.
gdb_test "tstart" \
".*\[Ee\]rror.*" \
"bytecode limit test: send more than limit"
# Clean up:
gdb_test "tstop" "" ""
gdb_test "maint packet QTLimit:bytecode:FFFFFFFF" "" ""
}
proc gdb_trace_limits_tests { } {
global gdb_prompt
# 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 supporst trace"
return 1;
}
if [gdb_test "maint packet QTLimit:tp:ffffffff" \
"received: .OK." ""] then {
pass "This test cannot be run on this target"
return 1;
}
if [gdb_test "maint packet QTLimit:memrange:ffffffff" \
"received: .OK." ""] then {
pass "This test cannot be run on this target"
return 1;
}
if [gdb_test "maint packet QTLimit:bytecode:ffffffff" \
"received: .OK." ""] then {
pass "This test cannot be run on this target"
return;
}
gdb_tracepoint_limit_test
gdb_memrange_limit_test
gdb_bytecode_limit_test
}
# Start with a fresh gdb.
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load $binfile
if [target_info exists gdb_stub] {
gdb_step_for_stub;
}
# Body of test encased in a proc so we can return prematurely.
gdb_trace_limits_tests