binutils-gdb/gdb/testsuite/gdb.trace/pending.exp

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# Copyright 2011-2016 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"
if {[skip_shlib_tests]} {
return 0
}
standard_testfile
set libfile1 "pendshr1"
set libfile2 "pendshr2"
set executable $testfile
set libsrc1 $srcdir/$subdir/$libfile1.c
set libsrc2 $srcdir/$subdir/$libfile2.c
set lib_sl1 [standard_output_file $libfile1.sl]
set lib_sl2 [standard_output_file $libfile2.sl]
set lib_opts [gdb_target_symbol_prefix_flags]
if { [gdb_compile_shlib $libsrc1 $lib_sl1 $lib_opts] != ""
|| [gdb_compile_shlib $libsrc2 $lib_sl2 $lib_opts] != ""} {
untested "Could not compile either $libsrc1 or $libsrc2"
return -1
}
set exec_opts [list debug shlib=$lib_sl1 shlib_load]
if { [gdb_compile $srcdir/$subdir/$srcfile $binfile executable $exec_opts] != "" } {
untested "Failed to compile $srcfile"
return -1
}
clean_restart $executable
gdb_load_shlib $lib_sl1
gdb_load_shlib $lib_sl2
if ![runto_main] {
fail "Can't run to main to check for trace support"
return -1
}
if ![gdb_target_supports_trace] {
unsupported "Current target does not support trace"
return -1
}
# Verify pending tracepoint is resolved to running to main.
proc pending_tracepoint_resolved { trace_type } {
with_test_prefix "$trace_type resolved" {
global srcdir
global subdir
global binfile
global srcfile
global lib_sl1
# Start with a fresh gdb.
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_test_multiple "$trace_type set_point1" "set pending tracepoint" {
-re ".*Make \(fast |\)tracepoint pending.*y or \\\[n\\\]. $" {
gdb_test "y" "\(Fast t|T\)racepoint.*set_point1.*pending." \
"set pending tracepoint (without symbols)"
}
}
gdb_test "info trace" \
"Num Type\[ \]+Disp Enb Address\[ \]+What.*
\[0-9\]+\[\t \]+\(fast |\)tracepoint\[ \]+keep y.*PENDING.*set_point1.*" \
"single pending tracepoint info (without symbols)"
gdb_load ${binfile}
gdb_test "break main" "Breakpoint.*at.* file .*$srcfile, line.*" \
"breakpoint function"
gdb_run_cmd
gdb_test "" "Breakpoint 2, main.*"
# Run to main which should resolve a pending tracepoint
gdb_test "info trace" \
"Num Type\[ \]+Disp Enb Address\[ \]+What.*
\[0-9\]+\[\t \]+\(fast |\)tracepoint\[ \]+keep y.*pendfunc.*" \
"single tracepoint info"
}
}
# Verify pending tracepoint is resolved and works as expected.
proc pending_tracepoint_works { trace_type } {
with_test_prefix "$trace_type works" {
global executable
global srcfile
global lib_sl1
global gdb_prompt
# Restart with a fresh gdb.
clean_restart $executable
# Test setting and querying pending tracepoints
gdb_test_multiple "$trace_type set_point1" "set pending tracepoint" {
-re ".*Make \(fast |\)tracepoint pending.*y or \\\[n\\\]. $" {
gdb_test "y" \
"\(Fast t|T\)racepoint.*set_point1.*pending." \
"set pending tracepoint"
}
}
gdb_test "info trace" \
"Num Type\[ \]+Disp Enb Address\[ \]+What.*
\[0-9\]+\[\t \]+\(fast |\)tracepoint\[ \]+keep y.*PENDING.*set_point1.*" \
"single pending tracepoint info"
# Run to main which should resolve a pending tracepoint
gdb_test "break main" "Breakpoint.*at.* file .*$srcfile, line.*" \
"breakpoint function"
gdb_run_cmd
gdb_test "" "Breakpoint 2, main.*"
gdb_test "break marker" "Breakpoint.*at.* file .*$srcfile, line.*" \
"breakpoint on marker"
set test "start trace experiment"
gdb_test_multiple "tstart" $test {
-re "^tstart\r\n$gdb_prompt $" {
pass $test
}
-re "Target returns error code .* too far .*$gdb_prompt $" {
if [string equal $trace_type "ftrace"] {
# The target was unable to install the fast tracepoint
# (e.g., jump pad too far from tracepoint).
pass "$test (too far)"
# Skip the rest of the tests.
return
} else {
fail $test
}
}
}
gdb_test "continue" "Continuing.\r\n\r\n(Thread .* hit )?Breakpoint.*marker.*at.*$srcfile.*" \
"continue to marker"
gdb_test "tstop" "\[\r\n\]+" "stop trace experiment"
gdb_test "tfind start" "#0 .*" "tfind test frame 0"
gdb_test "tfind" "Found trace frame 1, tracepoint 1.*" \
"tfind test frame 1"
gdb_test "tfind" "Found trace frame 2, tracepoint 1.*" \
"tfind test frame 2"
gdb_test "tfind" \
"Target failed to find requested trace frame..*" \
"tfind test frame"
}
}
# Verify pending tracepoint is resolved during trace.
proc pending_tracepoint_resolved_during_trace { trace_type } \
{ with_test_prefix "$trace_type resolved_in_trace" \
{
global executable
global srcfile
global gdb_prompt
global lib_sl1
# Start with a fresh gdb.
clean_restart $executable
if ![runto_main] {
fail "Can't run to main"
return -1
}
gdb_test_multiple "$trace_type set_point2" "set pending tracepoint on set_point2" {
-re ".*Make \(fast |\)tracepoint pending.*y or \\\[n\\\]. $" {
gdb_test "y" "\(Fast t|T\)racepoint.*set_point2.*pending." \
"set pending tracepoint (without symbols)"
}
}
gdb_test "info trace" \
"Num Type\[ \]+Disp Enb Address\[ \]+What.*
\[0-9\]+\[\t \]+\(fast |\)tracepoint\[ \]+keep y.*PENDING.*set_point2.*" \
"single pending tracepoint on set_point2"
gdb_test "break marker" "Breakpoint.*at.* file .*$srcfile, line.*" \
"breakpoint on marker"
gdb_test_no_output "tstart" "start trace experiment"
gdb_test "continue" "Continuing.\r\n\r\n(Thread .* hit )?Breakpoint.*marker.*at.*pending.c.*" \
"continue to marker 1"
set test "continue to marker 2"
gdb_test_multiple "continue" $test {
-re "Target returns error code .* too far .*$gdb_prompt $" {
if [string equal $trace_type "ftrace"] {
# Expected if the target was unable to install the
# fast tracepoint (e.g., jump pad too far from
# tracepoint).
pass "$test (too far)"
# Skip the rest of the tests.
return
} else {
fail $test
}
}
-re "Continuing.\r\n(Reading .* from remote target...\r\n)?\r\n(Thread .* hit )?Breakpoint.*marker.*at.*$srcfile.*$gdb_prompt $" {
pass $test
}
}
gdb_test "tstop" "\[\r\n\]+" "stop trace experiment"
# tracepoint should be resolved.
gdb_test "info trace" \
"Num Type\[ \]+Disp Enb Address\[ \]+What.*
\[0-9\]+\[\t \]+\(fast |\)tracepoint\[ \]+keep y.*pendfunc2.*" \
"tracepoint is resolved"
gdb_test "tfind start" "#0 .*" "tfind test frame 0"
gdb_test "tfind" "Target failed to find requested trace frame..*" "tfind test frame"
}}
# Verify pending tracepoint is resolved and installed during trace.
proc pending_tracepoint_installed_during_trace { trace_type } \
{ with_test_prefix "$trace_type installed_in_trace" \
{
global executable
global srcfile
global lib_sl1
global gdb_prompt
global hex
# Start with a fresh gdb.
clean_restart $executable
if ![runto_main] {
fail "Can't run to main"
return -1
}
gdb_test "next" ".*"
gdb_test "trace main" "Tracepoint \[0-9\] at .*" "set tracepoint on main"
gdb_test "break marker" "Breakpoint.*at.* file .*$srcfile, line.*" \
"breakpoint on marker"
gdb_test_no_output "tstart" "start trace experiment"
gdb_test "continue" "Continuing.\r\n\r\n(Thread .* hit )?Breakpoint.*marker.*at.*${srcfile}.*" \
"continue to marker 1"
# Set a pending tracepoint during a tracing experiment.
gdb_test_multiple "$trace_type set_point2" "set pending tracepoint on set_point2" {
-re ".*Make \(fast |\)tracepoint pending.*y or \\\[n\\\]. $" {
gdb_test "y" "\(Fast t|T\)racepoint.*set_point2.*pending." \
"set pending tracepoint"
}
}
gdb_test "info trace" \
"Num Type\[ \]+Disp Enb Address\[ \]+What.*
\[0-9\]+\[\t \]+\(fast |\)tracepoint\[ \t\]+keep y.*PENDING.*set_point2.*" \
"single pending tracepoint on set_point2"
set test "continue to marker 2"
gdb_test_multiple "continue" $test {
-re "Target returns error code .* too far .*$gdb_prompt $" {
if [string equal $trace_type "ftrace"] {
# Expected if the target was unable to install the
# fast tracepoint (e.g., jump pad too far from
# tracepoint).
pass "$test (too far)"
# Skip the rest of the tests.
return
} else {
fail $test
}
}
-re "Continuing.\r\n(Reading .* from remote target...\r\n)?\r\n(Thread .* hit )?Breakpoint.*marker.*at.*$srcfile.*$gdb_prompt $" {
pass $test
}
}
gdb_test "tstop" "\[\r\n\]+" "stop trace experiment"
# tracepoint should be resolved.
gdb_test "info trace" \
"Num Type\[ \]+Disp Enb Address\[ \]+What.*
\[0-9\]+\[\t \]+\(fast |\)tracepoint\[ \]+keep y.*pendfunc2.*" \
"tracepoint is resolved"
# powerpc64 shows "in .pendfunc2" here.
gdb_test "tfind start" "#0 $hex in .?pendfunc2 .*" "tfind test frame 0"
gdb_test "tfind" "Target failed to find requested trace frame..*" "tfind test frame"
}}
# Verify pending tracepoint will no longer work if we disconnect during tracing.
proc pending_tracepoint_disconnect_during_trace { trace_type } \
{ with_test_prefix "$trace_type disconn" \
{
global executable
global srcfile
global lib_sl1
global gdb_prompt
# Start with a fresh gdb.
clean_restart $executable
if ![runto_main] {
fail "Can't run to main"
return -1
}
gdb_test_multiple "trace pendfunc3" "set pending tracepoint on set_point2" {
-re ".*Make \(fast |\)tracepoint pending.*y or \\\[n\\\]. $" {
gdb_test "y" "\(Fast t|T\)racepoint.*pendfunc3.*pending." \
"set pending tracepoint on pendfun3"
}
}
gdb_test "break marker" "Breakpoint.*at.* file .*$srcfile, line.*" \
"breakpoint on marker"
gdb_test_no_output "tstart" "start trace experiment"
gdb_test "continue" "Continuing.\r\n\r\n(Thread .* hit )?Breakpoint.*marker.*at.*pending.c.*" \
"continue to marker"
set test "disconnect with pending tracepoint"
gdb_test_multiple "disconnect" $test {
-re "warning: Pending tracepoints will not be resolved while GDB is disconnected.*Trace is running but will stop on detach; detach anyway\\? \\(y or n\\) $" {
pass $test
set test "disconnected"
gdb_test_multiple "y" $test {
-re "$gdb_prompt $" {
pass "$test"
}
}
}
}
}}
# Verify disconnect after pending tracepoint has been resolved.
proc pending_tracepoint_disconnect_after_resolved { trace_type } \
{ with_test_prefix "$trace_type disconn_resolved" \
{
global executable
global srcfile
global lib_sl1
global gdb_prompt
# Start with a fresh gdb.
clean_restart $executable
if ![runto_main] {
fail "Can't run to main"
return -1
}
gdb_test_multiple "trace set_point2" "set pending tracepoint on set_point2" {
-re ".*Make \(fast |\)tracepoint pending.*y or \\\[n\\\]. $" {
gdb_test "y" "\(Fast t|T\)racepoint.*set_point2.*pending." \
"set pending tracepoint on pendfun2"
}
}
gdb_test "break marker" "Breakpoint.*at.* file .*$srcfile, line.*" \
"breakpoint on marker"
gdb_test_no_output "tstart" "start trace experiment"
gdb_test "continue" "Continuing.\r\n\r\n(Thread .* hit )?Breakpoint.*marker.*at.*pending.c.*" \
"continue to marker 1"
gdb_test "continue" "Continuing.\r\n(Reading .* from remote target...\r\n)?\r\n(Thread .* hit )?Breakpoint.*marker.*at.*pending.c.*" \
"continue to marker 2"
# There should be no pending tracepoint, so no warning should be emitted.
set test "disconnect with resolved tracepoint"
gdb_test_multiple "disconnect" $test {
-re "warning: Pending tracepoints will not be resolved while GDB is disconnected.*Trace is running but will stop on detach; detach anyway\\? \\(y or n\\) $" {
fail $test
}
-re "Trace is running but will stop on detach; detach anyway\\? \\(y or n\\) $" {
pass $test
}
}
set test "disconnected"
gdb_test_multiple "y" $test {
-re "$gdb_prompt $" {
pass "$test"
}
}
}}
# Verify action works properly in resolved tracepoint.
proc pending_tracepoint_with_action_resolved { trace_type } \
{ with_test_prefix "$trace_type action_resolved" \
{
global executable
global srcfile
global lib_sl1
global gdb_prompt
global pcreg
# Start with a fresh gdb.
clean_restart $executable
if ![runto_main] {
fail "Can't run to main"
return -1
}
gdb_test_multiple "$trace_type set_point2" "set pending tracepoint on set_point2" {
-re ".*Make \(fast |\)tracepoint pending.*y or \\\[n\\\]. $" {
gdb_test "y" "\(Fast t|T\)racepoint.*set_point2.*pending." \
"set pending tracepoint (without symbols)"
}
}
gdb_trace_setactions "set action for pending tracepoint" "" \
"collect \$$pcreg" "^$"
gdb_test "info trace" \
"Num Type\[ \]+Disp Enb Address\[ \]+What.*
\[0-9\]+\[\t \]+\(fast |\)tracepoint\[ \]+keep y.*PENDING.*set_point2.*" \
"single pending tracepoint on set_point2"
gdb_test "break marker" "Breakpoint.*at.* file .*$srcfile, line.*" \
"breakpoint on marker"
gdb_test_no_output "tstart" "start trace experiment"
gdb_test "continue" "Continuing.\r\n\r\n(Thread .* hit )?Breakpoint.*marker.*at.*pending.c.*" \
"continue to marker 1"
set test "continue to marker 2"
gdb_test_multiple "continue" $test {
-re "Target returns error code .* too far .*$gdb_prompt $" {
if [string equal $trace_type "ftrace"] {
# Expected if the target was unable to install the
# fast tracepoint (e.g., jump pad too far from
# tracepoint).
pass "$test (too far)"
# Skip the rest of the tests.
return
} else {
fail $test
}
}
-re "Continuing.\r\n(Reading .* from remote target...\r\n)?\r\n(Thread .* hit )?Breakpoint.*marker.*at.*$srcfile.*$gdb_prompt $" {
pass "continue to marker 2"
}
}
gdb_test "tstop" "\[\r\n\]+" "stop trace experiment"
# tracepoint should be resolved.
gdb_test "info trace" \
"Num Type\[ \]+Disp Enb Address\[ \]+What.*
\[0-9\]+\[\t \]+\(fast |\)tracepoint\[ \]+keep y.*pendfunc2.*" \
"tracepoint is resolved"
gdb_test "tfind start" "#0 .*" "tfind test frame 0"
gdb_test "tdump" "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${pcreg} = .*"
gdb_test "tfind" "Target failed to find requested trace frame..*" "tfind test frame"
}}
pending_tracepoint_resolved "trace"
pending_tracepoint_works "trace"
pending_tracepoint_resolved_during_trace "trace"
pending_tracepoint_disconnect_during_trace "trace"
pending_tracepoint_disconnect_after_resolved "trace"
pending_tracepoint_with_action_resolved "trace"
pending_tracepoint_installed_during_trace "trace"
# Re-compile test case with IPA.
set libipa [get_in_proc_agent]
gdb_load_shlib $libipa
lappend exec_opts "shlib=$libipa"
if { [gdb_compile $srcdir/$subdir/$srcfile $binfile executable $exec_opts] != "" } {
untested "Failed to compile $srcfile"
return -1
}
pending_tracepoint_resolved "ftrace"
pending_tracepoint_works "ftrace"
pending_tracepoint_resolved_during_trace "ftrace"
pending_tracepoint_disconnect_during_trace "ftrace"
pending_tracepoint_disconnect_after_resolved "ftrace"
pending_tracepoint_with_action_resolved "ftrace"
pending_tracepoint_installed_during_trace "ftrace"