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# Copyright 2011-2012 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
}
set testfile "strace"
set srcfile $testfile.c
set binfile $objdir/$subdir/$testfile
set executable $testfile
set libipa [get_in_proc_agent]
set lib_opts debug
if [get_compiler_info ${binfile}] {
return -1
}
set additional_flags [list debug shlib=$libipa shlib_load "additional_flags=-lust -lurcu-bp" ]
if { [gdb_compile $srcdir/$subdir/$srcfile $binfile executable $additional_flags] != ""} {
untested "UST library or headers are not installed"
return -1
}
proc strace_info_marker { } { with_test_prefix "info_marker" {
global executable
global gdb_prompt
# Restart with a fresh gdb.
clean_restart $executable
if ![runto_main] {
fail "Can't run to main"
return -1
}
# List the markers in program. They should be disabled.
gdb_test "info static-tracepoint-markers" \
".*ust/bar\[\t \]+n\[\t \]+.*ust/bar2\[\t \]+n\[\t \]+.*"
# List all the thread. It is expected to get three threads without
# any errors.
gdb_test_multiple "info threads 3 2 1" "info threads" {
-re "3\[ \t\]+Thread .*2\[ \t\]+Thread .*1\[ \t\]+Thread .*${gdb_prompt} $" {
pass "info threads"
}
}
}}
proc strace_probe_marker { } { with_test_prefix "probe_marker" {
global executable
global expect_out
global gdb_prompt
global hex
# Restart with a fresh gdb.
clean_restart $executable
if ![runto_main] {
fail "Can't run to main"
return -1
}
gdb_test "strace -m ust/bar" "Static tracepoint \[0-9\]+ at ${hex}: file.*"
gdb_test "strace -m ust/bar2" "Static tracepoint \[0-9\]+ at ${hex}: file.*"
# Two trace markers should be enabled.
gdb_test "info static-tracepoint-markers" "ust/bar\[\t \]+y\[\t \]+$hex .*ust/bar2\[\t \]+y\[\t \]+$hex.*"
gdb_test "break end" "Breakpoint \[0-9\]+ at.*"
gdb_test_no_output "tstart"
gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
gdb_test_no_output "tstop"
gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
gdb_test "tfind" "Found trace frame 1, tracepoint .*" "tfind frame 1"
gdb_test "tfind" "Target failed to find requested trace frame\\..*"
}}
proc strace_trace_on_same_addr { type } { with_test_prefix "trace_same_addr $type" {
global executable
global expect_out
global gdb_prompt
global hex
# Restart with a fresh gdb.
clean_restart $executable
if ![runto_main] {
fail "Can't run to main"
return -1
}
set marker_bar_addr ""
set marker_bar2_addr ""
# List the markers in program. They should be disabled.
gdb_test_multiple "info static-tracepoint-markers" "info static-tracepoint-markers 1" {
-re ".*ust/bar\[\t \]+n.*${gdb_prompt} $" {
set ignore ""
regexp "ust/bar\[\t \]+n\[\t \]+($hex) .*ust/bar2\[\t \]+n\[\t \]+($hex) " \
"$expect_out(0,string)" ignore marker_bar_addr marker_bar2_addr
pass "info static-tracepoint-markers 1"
}
-re ".*${gdb_prompt} $" {
fail "info static-tracepoint-markers 1"
}
}
gdb_test "strace -m ust/bar" "Static tracepoint \[0-9\]+ at ${hex}: file.*"
gdb_test "strace -m ust/bar2" "Static tracepoint \[0-9\]+ at ${hex}: file.*"
# Two trace markers should be enabled.
gdb_test "info static-tracepoint-markers" \
"ust/bar\[\t \]+y\[\t \]+$hex .*ust/bar2\[\t \]+y\[\t \]+$hex.*" \
"info static-tracepoint-markers 2"
# Set breapoints or tracepoints.
set test "${type} on marker bar"
gdb_test_multiple "${type} *${marker_bar_addr}" $test {
-re "\(Fast trace|Trace|Break\)point \[0-9\]+ at ${hex}: file.*\r\n$gdb_prompt $" {
pass $test
}
-re ".*\r\n$gdb_prompt $" {
if [string equal $type "ftrace"] {
# The instruction may be not long enough to set a fast tracepoint.
# Skip the rest of this test.
return -1;
} else {
fail $test
}
}
}
set test "${type} on marker bar2"
gdb_test_multiple "${type} *${marker_bar2_addr}" $test {
-re "\(Fast trace|Trace|Break\)point \[0-9\]+ at ${hex}: file.*" {
pass $test
}
-re ".*\r\n$gdb_prompt $" {
if [string equal $type "ftrace"] {
# The instruction may be not long enough to set a fast tracepoint.
# Skip the rest of this test.
return -1;
} else {
fail $test
}
}
}
gdb_test "break end" "Breakpoint \[0-9\]+ at.*"
if [string equal $type "break"] {
gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to bar"
gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to bar2"
gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
} else {
gdb_test_no_output "tstart"
gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
gdb_test_no_output "tstop"
gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
gdb_test "tfind" "Found trace frame 1, tracepoint .*" "tfind frame 1"
gdb_test "tfind" "Found trace frame 2, tracepoint .*" "tfind frame 2"
gdb_test "tfind" "Found trace frame 3, tracepoint .*" "tfind frame 3"
gdb_test "tfind" "Target failed to find requested trace frame\\..*"
}
}}
proc strace_trace_on_diff_addr { } { with_test_prefix "trace_diff_addr" {
global executable
global expect_out
global gdb_prompt
global hex
# Restart with a fresh gdb.
clean_restart $executable
if ![runto_main] {
fail "Can't run to main"
return -1
}
set marker_bar_addr ""
set marker_bar2_addr ""
# List the markers in program. They should be disabled.
gdb_test_multiple "info static-tracepoint-markers" "info static-tracepoint-markers 1" {
-re ".*ust/bar\[\t \]+n.*${gdb_prompt} $" {
set ignore ""
regexp "ust/bar\[\t \]+n\[\t \]+($hex) .*ust/bar2\[\t \]+n\[\t \]+($hex) " \
"$expect_out(0,string)" ignore marker_bar_addr marker_bar2_addr
pass "info static-tracepoint-markers 1"
}
-re ".*${gdb_prompt} $" {
fail "info static-tracepoint-markers 1"
}
}
gdb_test "strace -m ust/bar" "Static tracepoint \[0-9\]+ at ${hex}: file.*"
gdb_test "info static-tracepoint-markers" \
"ust/bar\[\t \]+y\[\t \]+$hex .*ust/bar2\[\t \]+n\[\t \]+$hex.*" \
"info static-tracepoint-markers 2"
# Set common tracepoint.
gdb_test "trace *${marker_bar2_addr}" "Tracepoint \[0-9\]+ at ${hex}: file.*"
gdb_test "break end" "Breakpoint \[0-9\]+ at.*"
gdb_test_no_output "tstart"
gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
gdb_test_no_output "tstop"
gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
gdb_test "tfind" "Found trace frame 1, tracepoint .*" "tfind frame 1"
gdb_test "tfind" "Target failed to find requested trace frame\\..*"
}}
clean_restart $executable
if ![runto_main] {
fail "Can't run to main to check for trace support"
return -1
}
# Run it on native x86/x86_64 linux.
if { ![is_remote target]
&& ([istarget "x86_64-*-linux*"] || [istarget "i\[34567\]86-*-linux*"]) } {
strace_info_marker
return
}
if { ![gdb_target_supports_trace] } then {
unsupported "Current target does not support trace"
return -1;
}
gdb_load_shlibs $libipa
strace_info_marker
strace_probe_marker
strace_trace_on_same_addr "trace"
strace_trace_on_same_addr "ftrace"
strace_trace_on_same_addr "break"
strace_trace_on_diff_addr
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