--- /dev/null
+/* This testcase is part of GDB, the GNU debugger.
+
+ Copyright 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/>. */
+
+#include <pthread.h>
+
+#ifdef SYMBOL_PREFIX
+#define SYMBOL(str) SYMBOL_PREFIX #str
+#else
+#define SYMBOL(str) #str
+#endif
+/* Called from asm. */
+static void __attribute__((used))
+func (void)
+{}
+
+static void *
+thread_function(void *arg)
+{
+ /* `set_point1' is the label at which to set a fast tracepoint. The
+ insn at the label must be large enough to fit a fast tracepoint
+ jump. */
+ asm (" .global " SYMBOL(set_point1) "\n"
+ SYMBOL(set_point1) ":\n"
+#if (defined __x86_64__ || defined __i386__)
+ " call " SYMBOL(func) "\n"
+#endif
+ );
+}
+
+static void
+end (void)
+{}
+
+int
+main (int argc, char *argv[], char *envp[])
+{
+ pthread_t threads[2];
+ int i;
+
+ for (i = 0; i < 2; i++)
+ pthread_create (&threads[i], NULL, thread_function, NULL);
+
+ for (i = 0; i < 2; i++)
+ pthread_join (threads[i], NULL);
+
+ end ();
+
+ return 0;
+}
--- /dev/null
+# Copyright 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";
+
+set testfile "trace-mt"
+set executable $testfile
+set srcfile $testfile.c
+set binfile $objdir/$subdir/$testfile
+set expfile $testfile.exp
+
+# Some targets have leading underscores on assembly symbols.
+set additional_flags [gdb_target_symbol_prefix_flags]
+
+if { [gdb_compile_pthreads "$srcdir/$subdir/$srcfile" $binfile \
+ executable [list debug $additional_flags] ] != "" } {
+ untested "Couldn't compile test program"
+ return -1
+}
+
+clean_restart ${testfile}
+
+if ![runto_main] {
+ fail "Can't run to main to check for trace support"
+ return -1
+}
+
+if ![gdb_target_supports_trace] {
+ unsupported "target does not support trace"
+ return -1
+}
+
+proc step_over_tracepoint { trace_type } \
+{with_test_prefix "step over $trace_type" \
+{
+ global executable
+ global hex
+
+ # Start with a fresh gdb.
+ clean_restart ${executable}
+ # Make sure inferior is running in all-stop mode.
+ gdb_test_no_output "set non-stop 0"
+ if ![runto_main] {
+ fail "Can't run to main"
+ return -1
+ }
+
+ gdb_test "break set_point1" "Breakpoint \[0-9\] at $hex: file.*"
+ gdb_test "continue" "Continuing\\.\[ \r\n\]+.*Breakpoint.*" "continue to set_point1"
+
+ gdb_test "${trace_type} *\$pc" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*"
+ gdb_test_no_output "tstart"
+
+ gdb_test "stepi" ".*"
+ gdb_test_no_output "tstop"
+}}
+
+# Set breakpoint and tracepoint at the same address.
+
+proc break_trace_same_addr { trace_type option } \
+{with_test_prefix "$trace_type $option" \
+{
+ global executable
+ global hex
+
+ # Start with a fresh gdb.
+ clean_restart ${executable}
+ if ![runto_main] {
+ fail "Can't run to main"
+ return -1
+ }
+
+ gdb_test_no_output "set breakpoint always-inserted ${option}"
+
+ gdb_test "break end" "Breakpoint \[0-9\] at $hex: file.*"
+
+ gdb_test "break set_point1" "Breakpoint \[0-9\] at $hex: file.*"
+ gdb_test "${trace_type} set_point1" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*"
+
+ gdb_test_no_output "tstart"
+
+ gdb_test "continue" "Continuing\\.\[ \r\n\]+.*Breakpoint.*" "continue to set_point1 1"
+ gdb_test "continue" "Continuing\\.\[ \r\n\]+.*Breakpoint.*" "continue to set_point1 2"
+
+ 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\\..*"
+}}
+
+foreach break_always_inserted { "on" "off" } {
+ break_trace_same_addr "trace" ${break_always_inserted}
+}
+
+step_over_tracepoint "trace"
+
+set libipa $objdir/../gdbserver/libinproctrace.so
+gdb_load_shlibs $libipa
+
+# Compile test case again with IPA.
+if { [gdb_compile_pthreads "$srcdir/$subdir/$srcfile" $binfile \
+ executable [list debug $additional_flags shlib=$libipa] ] != "" } {
+ untested "failed to compile ftrace tests"
+ return -1
+}
+clean_restart ${executable}
+
+if ![runto_main] {
+ fail "Can't run to main for ftrace tests"
+ return 0
+}
+
+gdb_reinitialize_dir $srcdir/$subdir
+if { [gdb_test "info sharedlibrary" ".*libinproctrace\.so.*" "IPA loaded"] != 0 } {
+ untested "Could not find IPA lib loaded"
+} else {
+ foreach break_always_inserted { "on" "off" } {
+ break_trace_same_addr "ftrace" ${break_always_inserted}
+ }
+
+ step_over_tracepoint "ftrace"
+}
projects / binutils-gdb.git / commitdiff