115 lines
3.2 KiB
Text
115 lines
3.2 KiB
Text
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# Copyright 2015 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 insn-reloc.c
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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 additional_flags [gdb_target_symbol_prefix_flags]
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if [prepare_for_testing $expfile $executable $srcfile \
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[list debug $additional_flags]] {
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untested "failed to prepare for trace tests"
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return -1
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}
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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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set libipa [get_in_proc_agent]
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gdb_load_shlibs $libipa
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# Can't use prepare_for_testing, because that splits compiling into
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# building objects and then linking, and we'd fail with "linker input
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# file unused because linking not done" when building the object.
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if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
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executable [list debug $additional_flags shlib=$libipa] ] != "" } {
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untested "failed to compile ftrace tests"
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return -1
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}
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clean_restart ${executable}
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if ![runto_main] {
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fail "Can't run to main for ftrace tests"
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return 0
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}
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gdb_reinitialize_dir $srcdir/$subdir
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if { [gdb_test "info sharedlibrary" ".*${libipa}.*" "IPA loaded"] != 0 } {
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untested "Could not find IPA lib loaded"
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return 1
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}
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# Read function name from testcases[N].
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proc read_testcase { n } {
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global gdb_prompt
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set result -1
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gdb_test_multiple "print testcases\[${n}\]" "read name of test case ${n}" {
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-re "\[$\].*= .*<(.*)>.*$gdb_prompt $" {
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set result $expect_out(1,string)
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}
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-re "$gdb_prompt $" { }
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}
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return $result
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}
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set n_testcases [gdb_readexpr "n_testcases"]
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if { ${n_testcases} == 0 } {
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untested "No instruction relocation to test"
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return 1
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}
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# Set a fast tracepoint on each set_point${i} symbol. There is one for
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# each testcase.
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for { set i 0 } { ${i} < ${n_testcases} } { incr i } {
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set testcase [read_testcase $i]
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gdb_test "ftrace *set_point$i" "Fast tracepoint .*" \
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"fast tracepoint on ${testcase}"
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}
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gdb_test "break pass" ".*" ""
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gdb_test "break fail" ".*" ""
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gdb_test_no_output "tstart" "start trace experiment"
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# Make sure we have hit the pass breakpoint for each testcase.
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for { set i 0 } { ${i} < ${n_testcases} } { incr i } {
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set testcase [read_testcase $i]
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gdb_test "continue" \
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".*Breakpoint \[0-9\]+, pass \(\).*" \
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"relocated instruction at ${testcase}"
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}
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gdb_test "tstatus" ".*Collected ${n_testcases} trace frames.*" "check on trace status"
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gdb_test "tstop" "" ""
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