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https://sourceware.org/git/binutils-gdb.git
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129 lines
3.7 KiB
Plaintext
129 lines
3.7 KiB
Plaintext
# Copyright 2015-2018 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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load_lib "trace-support.exp"
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standard_testfile
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set executable $testfile
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set expfile $testfile.exp
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# Some targets have leading underscores on assembly symbols.
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set options [list debug [gdb_target_symbol_prefix_flags]]
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# Check that the target supports trace.
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if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile executable $options] != "" } {
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untested "failed to compile"
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return -1
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}
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clean_restart ${testfile}
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if ![runto_main] {
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fail "can't run to main to check for trace support"
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return -1
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}
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if ![gdb_target_supports_trace] {
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unsupported "target does not support trace"
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return -1
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}
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# Compile the test case with the in-process agent library.
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set libipa [get_in_proc_agent]
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gdb_load_shlib $libipa
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lappend options shlib=$libipa
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if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile executable $options] != "" } {
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untested "failed to compile with in-process agent library"
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return -1
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}
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# This test makes sure that disabling and enabling tracepoints works
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# correctly. TRACEPOINT_CMD is the command used to set tracepoints
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# (e.g. trace or ftrace).
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proc test_tracepoint_enable_disable { tracepoint_cmd } {
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with_test_prefix "test_tracepoint_enable_disable $tracepoint_cmd" {
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global executable
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clean_restart ${executable}
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set expected 0
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if ![runto_main] {
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fail "can't run to main."
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return -1
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}
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gdb_test "$tracepoint_cmd point_a" "(Tracepoint|Fast tracepoint) 2.*"
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gdb_test "$tracepoint_cmd point_b" "(Tracepoint|Fast tracepoint) 3.*"
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gdb_breakpoint "break_here"
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gdb_test_no_output "tstart"
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# Test that tracepoints start enabled
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with_test_prefix "start" {
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gdb_continue "break_here"
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incr expected 2
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gdb_test "tstatus" "Collected $expected trace frames.*"
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}
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# Test that disabling works
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with_test_prefix "disable #1" {
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gdb_test_no_output "disable 2"
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gdb_continue "break_here"
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incr expected 1
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gdb_test "tstatus" "Collected $expected trace frames.*"
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}
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with_test_prefix "disable #2" {
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gdb_test_no_output "disable 3"
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gdb_continue "break_here"
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gdb_test "tstatus" "Collected $expected trace frames.*"
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}
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# Test that disabling an already disabled tracepoint works
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with_test_prefix "disable #3" {
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gdb_test_no_output "disable 2"
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gdb_continue "break_here"
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gdb_test "tstatus" "Collected $expected trace frames.*"
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}
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# Test that enabling works
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with_test_prefix "enable #1" {
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gdb_test_no_output "enable 2"
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gdb_continue "break_here"
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incr expected 1
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gdb_test "tstatus" "Collected $expected trace frames.*"
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}
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with_test_prefix "enable #2" {
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gdb_test_no_output "enable 3"
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gdb_continue "break_here"
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incr expected 2
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gdb_test "tstatus" "Collected $expected trace frames.*"
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}
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# Test that enabling an already enabled tracepoint works
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with_test_prefix "enable #3" {
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gdb_test_no_output "enable 3"
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gdb_continue "break_here"
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incr expected 2
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gdb_test "tstatus" "Collected $expected trace frames.*"
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}
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}
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}
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test_tracepoint_enable_disable trace
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test_tracepoint_enable_disable ftrace
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