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# Copyright 2011-2018 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/>.
if {[skip_shlib_tests]} {
untested "skipping shared library tests"
return -1
}
if {[get_compiler_info]} {
untested "could not get compiler info"
return 1
}
# Compile the testcase program and library. BINSUFFIX is the suffix
# to append to the program and library filenames, to make them unique
# between invocations. OPTIONS is passed to gdb_compile when
# compiling the program.
proc compile_jit_test {testname binsuffix options} {
global testfile srcfile binfile srcdir subdir
global solib_testfile solib_srcfile solib_binfile solib_binfile_test_msg
global solib_binfile_target
set testfile jit-main
set srcfile ${testfile}.c
set binfile [standard_output_file $testfile$binsuffix]
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" \
executable [concat debug $options]] != "" } {
untested $testname
return -1
}
set solib_testfile "jit-solib"
set solib_srcfile "${srcdir}/${subdir}/${solib_testfile}.c"
set solib_binfile [standard_output_file ${solib_testfile}$binsuffix.so]
set solib_binfile_test_msg "SHLIBDIR/${solib_testfile}$binsuffix.so"
# Note: compiling without debug info: the library goes through
# symbol renaming by munging on its symbol table, and that
# wouldn't work for .debug sections. Also, output for "info
# function" changes when debug info is present.
if { [gdb_compile_shlib ${solib_srcfile} ${solib_binfile} {-fPIC}] != "" } {
untested $testname
return -1
}
set solib_binfile_target [gdb_remote_download target ${solib_binfile}]
return 0
}
# Detach, restart GDB, and re-attach to the program.
proc clean_reattach {} {
global decimal gdb_prompt srcfile testfile
# Get PID of test program.
set testpid -1
set test "get inferior process ID"
gdb_test_multiple "p mypid" $test {
-re ".* = ($decimal).*$gdb_prompt $" {
set testpid $expect_out(1,string)
pass $test
}
}
gdb_test_no_output "set var wait_for_gdb = 1"
gdb_test "detach" "Detaching from .*"
clean_restart $testfile
set test "attach"
gdb_test_multiple "attach $testpid" "$test" {
-re "Attaching to program.*.*main.*at .*$srcfile:.*$gdb_prompt $" {
pass "$test"
}
}
gdb_test_no_output "set var wait_for_gdb = 0"
}
# Continue to LOCATION in the program. If REATTACH, detach and
# re-attach to the program from scratch.
proc continue_to_test_location {location reattach} {
gdb_breakpoint [gdb_get_line_number $location]
gdb_continue_to_breakpoint $location
if {$reattach} {
with_test_prefix "$location" {
clean_reattach
}
}
}
proc one_jit_test {count match_str reattach} {
with_test_prefix "one_jit_test-$count" {
global verbose testfile solib_binfile_target solib_binfile_test_msg
clean_restart $testfile
# This is just to help debugging when things fail
if {$verbose > 0} {
gdb_test "set debug jit 1"
}
if { ![runto_main] } {
fail "can't run to main"
return
}
gdb_breakpoint [gdb_get_line_number "break here 0"]
gdb_continue_to_breakpoint "break here 0"
# Poke desired values directly into inferior instead of using "set args"
# because "set args" does not work under gdbserver.
gdb_test_no_output "set var argc = 2"
gdb_test_no_output "set var libname = \"$solib_binfile_target\"" "set var libname = \"$solib_binfile_test_msg\""
gdb_test_no_output "set var count = $count"
continue_to_test_location "break here 1" $reattach
gdb_test "info function ^jit_function" "$match_str"
# This is just to help debugging when things fail
if {$verbose > 0} {
gdb_test "maintenance print objfiles"
gdb_test "maintenance info break"
}
continue_to_test_location "break here 2" $reattach
# All jit librares must have been unregistered
gdb_test "info function jit_function" \
"All functions matching regular expression \"jit_function\":"
}
}
if {[compile_jit_test jit.exp "" {}] < 0} {
return
}
one_jit_test 1 "${hex} jit_function_0000" 0
one_jit_test 2 "${hex} jit_function_0000\[\r\n\]+${hex} jit_function_0001" 0
# Test attaching to an inferior with some JIT libraries already
# registered. We reuse the normal test, and detach/reattach at
# specific interesting points.
if {[can_spawn_for_attach]} {
if {[compile_jit_test "jit.exp attach tests" \
"-attach" {additional_flags=-DATTACH=1}] < 0} {
return
}
with_test_prefix attach {
one_jit_test 2 "${hex} jit_function_0000\[\r\n\]+${hex} jit_function_0001" 1
}
}
with_test_prefix PIE {
if {[compile_jit_test "jit.exp PIE tests" \
"-pie" {additional_flags=-fPIE ldflags=-pie}] < 0} {
return
}
one_jit_test 1 "${hex} jit_function_0000" 0
}
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