Merge GDB 7.5.1

gdb/testsuite/gdb.trace/strace.exp

+# 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
+}
+
+standard_testfile
+set executable $testfile
+
+set libipa [get_in_proc_agent]
+
+set lib_opts debug
+
+if [get_compiler_info] {
+    return -1
+}
+
+set additional_flags [list quiet debug shlib=$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