# 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 .
load_lib "trace-support.exp"
if {[skip_shlib_tests]} {
return 0
}
standard_testfile
set libfile1 "change-loc-1"
set libfile2 "change-loc-2"
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 $libfile2.sl]
set lib_opts debug
if [get_compiler_info] {
return -1
}
# Some targets have leading underscores on assembly symbols.
set additional_flags [list debug shlib=$lib_sl1 shlib_load [gdb_target_symbol_prefix_flags]]
if { [gdb_compile_shlib $libsrc1 $lib_sl1 $lib_opts] != ""
|| [gdb_compile_shlib $libsrc2 $lib_sl2 $lib_opts] != ""
|| [gdb_compile $srcdir/$subdir/$srcfile $binfile executable $additional_flags] != ""} {
untested "Could not compile either $libsrc1 or $srcdir/$subdir/$srcfile."
return -1
}
clean_restart $executable
gdb_load_shlibs $lib_sl1
gdb_load_shlibs $lib_sl2
if ![runto_main] {
fail "Can't run to main to check for trace support"
return -1
}
if { ![gdb_target_supports_trace] } then {
unsupported "Current target does not support trace"
return -1
}
# Set tracepoint during tracing experiment.
proc tracepoint_change_loc_1 { trace_type } {
with_test_prefix "1 $trace_type" {
global testfile
global srcfile
global pcreg
global gdb_prompt
clean_restart ${testfile}
if ![runto_main] {
fail "Can't run to main"
return -1
}
gdb_test_no_output "delete break 1"
# Set a tracepoint we'll never meet. Just to avoid the
# complain after type `tstart' later.
gdb_test "next" ".*"
gdb_test "trace main" \
"Tracepoint \[0-9\] at.* file .*$srcfile, line.*" \
"set tracepoint on main"
gdb_test "break marker" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"breakpoint on marker"
gdb_test_no_output "tstart"
gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
"continue to marker 1"
# Set a tracepoint during tracing.
set test "set tracepoint on set_tracepoint"
gdb_test_multiple "${trace_type} set_tracepoint" $test {
-re "Target returns error code .* too far .*$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)"
} else {
fail $test
}
}
-re "\r\n$gdb_prompt $" {
pass $test
}
}
gdb_trace_setactions "set action for tracepoint" "" \
"collect \$$pcreg" "^$"
# tracepoint has two locations after shlib change-loc-1 is loaded.
gdb_test "info trace" \
"Num Type\[ \]+Disp Enb Address\[ \]+What.*
\[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\.*4\.1.* in func4.*4\.2.* in func4.*" \
"tracepoint with two locations"
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 "continue to marker 2"
fail $test
}
}
-re ".*Breakpoint.*marker.*at.*$srcfile.*$gdb_prompt $" {
pass "continue to marker 2"
}
}
# tracepoint has three locations after shlib change-loc-2 is
# loaded.
gdb_test "info trace" \
"Num Type\[ \]+Disp Enb Address\[ \]+What.*
\[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\.*4\.1.* in func4.*4\.2.* in func4.*4\.3.* in func4 .*" \
"tracepoint with three locations"
gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
"continue to marker 3"
# shlib is unloaded, there are still three locations, but one
# is pending.
gdb_test "info trace" \
"Num Type\[ \]+Disp Enb Address\[ \]+What.*
\[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\.*
4\.1.* in func4.*\tinstalled on target\r\n(4\.2.* in func4.*\tinstalled on target\r\n4\.3.* \\[\t \]+set_tracepoint|4\.2.* \\[\t \]+set_tracepoint.*4\.3.* in func4.*\tinstalled on target).*" \
"tracepoint with two locations (unload)"
gdb_test_no_output "tstop"
gdb_test "tfind" "Found trace frame 0, tracepoint 4.*" \
"tfind frame 0"
gdb_test "tfind" \
"Target failed to find requested trace frame\\..*"
}
}
# Set pending tracepoint.
proc tracepoint_change_loc_2 { trace_type } {
with_test_prefix "2 $trace_type" {
global srcdir
global srcfile
global subdir
global pcreg
global binfile
global gdb_prompt
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_test_multiple "${trace_type} set_tracepoint" "set pending tracepoint" {
-re ".*Make \(|fast \)tracepoint pending.*y or \\\[n\\\]. $" {
gdb_test "y" "\(Fast t|T\)racepoint.*set_tracepoint.*pending." "set pending tracepoint"
}
}
gdb_trace_setactions "set action for tracepoint" "" \
"collect \$$pcreg" "^$"
# tracepoint has no location information now. Make sure nothing
# else is displayed.
gdb_test "info trace" \
"Num Type\[ \]+Disp Enb Address\[ \]+What.*
\[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*PENDING.*set_tracepoint\r\n\[\t \]+collect \\$$pcreg\r" \
"single pending tracepoint info (without symbols)"
gdb_load ${binfile}
# tracepoint has one location after executable is loaded.
gdb_test "info trace" \
"Num Type\[ \]+Disp Enb Address\[ \]+What.*
\[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*func4.*" \
"tracepoint with one location"
set main_bp 0
gdb_test_multiple "break main" "set breakpoint on main" {
-re "Breakpoint (\[0-9\]*) at .*, line.*$gdb_prompt $" {
set main_bp $expect_out(1,string)
}
}
gdb_run_cmd
gdb_test "" \
".*Breakpoint.*main.*at.*$srcfile.*" \
"run to main"
gdb_test_no_output "delete break $main_bp"
# tracepoint has two locations after shlib change-loc-1 is loaded.
gdb_test "info trace" \
"Num Type\[ \]+Disp Enb Address\[ \]+What.*
\[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\.*1\.1.* in func4.*1\.2.* in func4.*" \
"tracepoint with two locations"
gdb_test "break marker" "Breakpoint.*at.* file .*$srcfile, line.*" \
"breakpoint on marker"
# tracepoint with two locations will be downloaded and installed.
set test "tstart"
gdb_test_multiple "tstart" $test {
-re "^tstart\r\n$gdb_prompt $" {
pass "tstart"
}
-re "Target returns error code .* too far .*$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 $test
}
}
}
gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
"continue to marker 1"
gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
"continue to marker 2"
# tracepoint has three locations after shlib change-loc-2 is loaded.
gdb_test "info trace" \
"Num Type\[ \]+Disp Enb Address\[ \]+What.*
\[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\.*1\.1.* in func4.*1\.2.* in func4.*1\.3.* in func4 .*" \
"tracepoint with three locations"
gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
"continue to marker 3"
# shlib is unloaded, there are still three locations, but one is pending.
gdb_test "info trace" \
"Num Type\[ \]+Disp Enb Address\[ \]+What.*
\[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\.*
1\.1.* in func4.*\tinstalled on target\r\n(1\.2.* in func4.*\tinstalled on target\r\n1\.3.* \\[\t \]+set_tracepoint|1\.2.* \\[\t \]+set_tracepoint\r\n1\.3.* in func4.*\tinstalled on target).*" \
"tracepoint with two locations (unload)"
gdb_test_no_output "tstop"
gdb_test "tfind" "Found trace frame 0, tracepoint 1.*" "tfind frame 0"
gdb_test "tfind" "Found trace frame 1, tracepoint 1.*" "tfind frame 1"
gdb_test "tfind" "Found trace frame 2, tracepoint 1.*" "tfind frame 2"
gdb_test "tfind" "Target failed to find requested trace frame\\..*"
}
}
# Test that setting a tracepoint while the trace experiment is ongoing
# doesn't work when we force-disable the InstallInTrace RSP feature.
proc tracepoint_install_in_trace_disabled { trace_type } {
with_test_prefix "InstallInTrace disabled: $trace_type" {
global testfile
global srcfile
global pcreg
global gdb_prompt
clean_restart ${testfile}
if ![runto_main] {
fail "Can't run to main"
return -1
}
# This test only makes sense with the remote target.
if ![gdb_is_target_remote] {
return
}
gdb_test_no_output "delete break 1"
# Set a tracepoint we'll never meet. Just to avoid the
# complain after `tstart' later.
gdb_test "next" ".*"
gdb_test "trace main" \
"Tracepoint \[0-9\] at.* file .*$srcfile, line.*" \
"set tracepoint on main"
gdb_test "break marker" "Breakpoint.*at.* file .*$srcfile, line.*" \
"breakpoint on marker"
gdb_test_no_output "tstart"
# Force-disable the InstallInTrace RSP feature.
gdb_test_no_output "set remote install-in-trace-packet off"
# Set a tracepoint while a trace experiment is ongoing.
gdb_test "${trace_type} set_tracepoint" \
"racepoint .* at .* set_tracepoint.*" \
"set tracepoint on set_tracepoint"
gdb_trace_setactions "set action for tracepoint" "" \
"collect \$$pcreg" "^$"
# Make sure the tracepoint is _not_ installed on the target.
gdb_test "info trace" \
"Num Type\[ \]+Disp Enb Address\[ \]+What.*
\[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*installed on target.*\.*4\.1.* in func4.*not installed on target.*4\.2.* in func4.*not installed on target.*" \
"tracepoint is not installed"
gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
"continue to marker"
gdb_test_no_output "tstop"
# Nothing should have been collected.
gdb_test "tfind" "Target failed to find requested trace frame\\..*"
}
}
tracepoint_change_loc_1 "trace"
tracepoint_change_loc_2 "trace"
tracepoint_install_in_trace_disabled "trace"
# Re-compile test case with IPA.
set libipa [get_in_proc_agent]
gdb_load_shlibs $libipa
if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile executable \
[list debug nowarnings shlib=$libipa shlib=$lib_sl1 shlib_load] ] != "" } {
untested change-loc.exp
return -1
}
tracepoint_change_loc_1 "ftrace"
tracepoint_change_loc_2 "ftrace"
tracepoint_install_in_trace_disabled "ftrace"