177 lines
5.3 KiB
Plaintext
177 lines
5.3 KiB
Plaintext
# Copyright 2011-2016 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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if {[skip_shlib_tests]} {
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untested "skipping shared library tests"
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return -1
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}
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if {[get_compiler_info]} {
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untested "could not get compiler info"
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return 1
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}
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# Compile the testcase program and library. BINSUFFIX is the suffix
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# to append to the program and library filenames, to make them unique
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# between invocations. OPTIONS is passed to gdb_compile when
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# compiling the program.
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proc compile_jit_test {testname binsuffix options} {
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global testfile srcfile binfile srcdir subdir
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global solib_testfile solib_srcfile solib_binfile solib_binfile_test_msg
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global solib_binfile_target
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set testfile jit-main
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set srcfile ${testfile}.c
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set binfile [standard_output_file $testfile$binsuffix]
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" \
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executable [concat debug $options]] != "" } {
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untested $testname
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return -1
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}
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set solib_testfile "jit-solib"
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set solib_srcfile "${srcdir}/${subdir}/${solib_testfile}.c"
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set solib_binfile [standard_output_file ${solib_testfile}$binsuffix.so]
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set solib_binfile_test_msg "SHLIBDIR/${solib_testfile}$binsuffix.so"
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# Note: compiling without debug info: the library goes through
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# symbol renaming by munging on its symbol table, and that
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# wouldn't work for .debug sections. Also, output for "info
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# function" changes when debug info is present.
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if { [gdb_compile_shlib ${solib_srcfile} ${solib_binfile} {-fPIC}] != "" } {
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untested $testname
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return -1
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}
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set solib_binfile_target [gdb_remote_download target ${solib_binfile}]
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return 0
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}
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# Detach, restart GDB, and re-attach to the program.
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proc clean_reattach {} {
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global decimal gdb_prompt srcfile testfile
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# Get PID of test program.
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set testpid -1
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set test "get inferior process ID"
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gdb_test_multiple "p mypid" $test {
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-re ".* = ($decimal).*$gdb_prompt $" {
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set testpid $expect_out(1,string)
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pass $test
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}
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}
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gdb_test_no_output "set var wait_for_gdb = 1"
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gdb_test "detach" "Detaching from .*"
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clean_restart $testfile
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set test "attach"
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gdb_test_multiple "attach $testpid" "$test" {
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-re "Attaching to program.*.*main.*at .*$srcfile:.*$gdb_prompt $" {
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pass "$test"
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}
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}
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gdb_test_no_output "set var wait_for_gdb = 0"
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}
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# Continue to LOCATION in the program. If REATTACH, detach and
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# re-attach to the program from scratch.
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proc continue_to_test_location {location reattach} {
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gdb_breakpoint [gdb_get_line_number $location]
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gdb_continue_to_breakpoint $location
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if {$reattach} {
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with_test_prefix "$location" {
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clean_reattach
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}
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}
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}
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proc one_jit_test {count match_str reattach} {
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with_test_prefix "one_jit_test-$count" {
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global verbose testfile solib_binfile_target solib_binfile_test_msg
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clean_restart $testfile
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# This is just to help debugging when things fail
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if {$verbose > 0} {
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gdb_test "set debug jit 1"
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}
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if { ![runto_main] } {
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fail "can't run to main"
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return
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}
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gdb_breakpoint [gdb_get_line_number "break here 0"]
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gdb_continue_to_breakpoint "break here 0"
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# Poke desired values directly into inferior instead of using "set args"
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# because "set args" does not work under gdbserver.
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gdb_test_no_output "set var argc = 2"
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gdb_test_no_output "set var libname = \"$solib_binfile_target\"" "set var libname = \"$solib_binfile_test_msg\""
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gdb_test_no_output "set var count = $count"
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continue_to_test_location "break here 1" $reattach
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gdb_test "info function ^jit_function" "$match_str"
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# This is just to help debugging when things fail
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if {$verbose > 0} {
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gdb_test "maintenance print objfiles"
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gdb_test "maintenance info break"
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}
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continue_to_test_location "break here 2" $reattach
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# All jit librares must have been unregistered
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gdb_test "info function jit_function" \
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"All functions matching regular expression \"jit_function\":"
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}
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}
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if {[compile_jit_test jit.exp "" {}] < 0} {
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return
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}
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one_jit_test 1 "${hex} jit_function_0000" 0
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one_jit_test 2 "${hex} jit_function_0000\[\r\n\]+${hex} jit_function_0001" 0
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# Test attaching to an inferior with some JIT libraries already
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# registered. We reuse the normal test, and detach/reattach at
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# specific interesting points.
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if {[can_spawn_for_attach]} {
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if {[compile_jit_test "jit.exp attach tests" \
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"-attach" {additional_flags=-DATTACH=1}] < 0} {
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return
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}
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with_test_prefix attach {
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one_jit_test 2 "${hex} jit_function_0000\[\r\n\]+${hex} jit_function_0001" 1
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}
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}
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with_test_prefix PIE {
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if {[compile_jit_test "jit.exp PIE tests" \
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"-pie" {additional_flags=-fPIE ldflags=-pie}] < 0} {
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return
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}
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one_jit_test 1 "${hex} jit_function_0000" 0
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}
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