1 # Copyright 2015-2019 Free Software Foundation, Inc.
2 # This program is free software; you can redistribute it and/or modify
3 # it under the terms of the GNU General Public License as published by
4 # the Free Software Foundation; either version 3 of the License, or
5 # (at your option) any later version.
7 # This program is distributed in the hope that it will be useful,
8 # but WITHOUT ANY WARRANTY; without even the implied warranty of
9 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 # GNU General Public License for more details.
12 # You should have received a copy of the GNU General Public License
13 # along with this program. If not, see <http://www.gnu.org/licenses/>.
15 load_lib "trace-support.exp"
17 standard_testfile insn-reloc.c
18 set executable $testfile
19 set expfile $testfile.exp
21 # Some targets have leading underscores on assembly symbols.
22 set additional_flags [gdb_target_symbol_prefix_flags]
24 if [prepare_for_testing "failed to prepare" $executable $srcfile \
25 [list debug $additional_flags]] {
30 fail "can't run to main to check for trace support"
34 if ![gdb_target_supports_trace] {
35 unsupported "target does not support trace"
39 set libipa [get_in_proc_agent]
40 set remote_libipa [gdb_load_shlib $libipa]
42 # Can't use prepare_for_testing, because that splits compiling into
43 # building objects and then linking, and we'd fail with "linker input
44 # file unused because linking not done" when building the object.
46 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
47 executable [list debug $additional_flags shlib=$libipa] ] != "" } {
48 untested "failed to compile"
51 clean_restart ${executable}
54 fail "can't run to main for ftrace tests"
58 gdb_reinitialize_dir $srcdir/$subdir
60 if { [gdb_test "info sharedlibrary" ".*${remote_libipa}.*" "IPA loaded"] != 0 } {
61 untested "could not find IPA lib loaded"
65 # Read function name from testcases[N].
67 proc read_testcase { n } {
71 gdb_test_multiple "print testcases\[${n}\]" "read name of test case ${n}" {
72 -re "\[$\].*= .*<(.*)>.*$gdb_prompt $" {
73 set result $expect_out(1,string)
75 -re "$gdb_prompt $" { }
81 set n_testcases [gdb_readexpr "n_testcases"]
83 if { ${n_testcases} == 0 } {
84 untested "no instruction relocation to test"
88 # Set a fast tracepoint on each set_point${i} symbol. There is one for
90 for { set i 0 } { ${i} < ${n_testcases} } { incr i } {
91 set testcase [read_testcase $i]
93 gdb_test "ftrace *set_point$i" "Fast tracepoint .*" \
94 "fast tracepoint on ${testcase}"
97 gdb_test "break pass" ".*" ""
98 gdb_test "break fail" ".*" ""
100 gdb_test_no_output "tstart" "start trace experiment"
102 # Make sure we have hit the pass breakpoint for each testcase.
103 for { set i 0 } { ${i} < ${n_testcases} } { incr i } {
104 set testcase [read_testcase $i]
106 gdb_test "continue" \
107 ".*Breakpoint \[0-9\]+, pass \(\).*" \
108 "relocated instruction at ${testcase}"
111 gdb_test "tstatus" ".*Collected ${n_testcases} trace frames.*" "check on trace status"
113 gdb_test "tstop" "" ""