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# Copyright 2011-2020 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
# 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 <>.
# The same tests as in jit.exp, but loading JITer itself from a shared
# library.
if {[skip_shlib_tests]} {
untested "skipping shared library tests"
return -1
if {[get_compiler_info]} {
untested "could not get compiler info"
return 1
# test running programs
set testfile jit-dlmain
set srcfile ${testfile}.c
set binfile [standard_output_file ${testfile}]
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug shlib_load}] != "" } {
untested "failed to compile"
return -1
set testfile2 jit-main
set srcfile2 ${testfile2}.c
set binfile2 [standard_output_file ${testfile2}.so]
set binfile2_dlopen [shlib_target_file ${testfile2}.so]
if { [gdb_compile_shlib "${srcdir}/${subdir}/${srcfile2}" ${binfile2} {debug additional_flags="-DMAIN=jit_dl_main"}] != "" } {
untested "failed to compile main shared library"
return -1
set solib_testfile "jit-solib"
set solib_srcfile "${srcdir}/${subdir}/${solib_testfile}.c"
set solib_binfile [standard_output_file ${solib_testfile}.so]
set solib_binfile_test_msg "SHLIBDIR/${solib_testfile}.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 resent.
if { [gdb_compile_shlib ${solib_srcfile} ${solib_binfile} {}] != "" } {
untested "failed to compile jit shared library"
return -1
set solib_binfile_target [gdb_remote_download target ${solib_binfile}]
proc one_jit_test {count match_str} {
with_test_prefix "one_jit_test-$count" {
global verbose testfile srcfile2 binfile2 binfile2_dlopen solib_binfile_target solib_binfile_test_msg
clean_restart $testfile
gdb_load_shlib $binfile2
# This is just to help debugging when things fail
if {$verbose > 0} {
gdb_test "set debug jit 1"
if { ![runto_main] } {
fail "can't run to main"
gdb_breakpoint [gdb_get_line_number "break here before-dlopen" ]
gdb_continue_to_breakpoint "break here before-dlopen"
# 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 jit_libname = \"$binfile2_dlopen\""
gdb_breakpoint [gdb_get_line_number "break here after-dlopen" ]
gdb_continue_to_breakpoint "break here after-dlopen"
gdb_breakpoint "$srcfile2:[gdb_get_line_number {break here 0} $srcfile2]"
gdb_continue_to_breakpoint "break here 0"
gdb_test_no_output "set var argc = 2"
gdb_test_no_output "set var libname = \"$solib_binfile_target\"" "set var libname = \"$solib_binfile_test_msg\""
gdb_test_no_output "set var count = $count"
gdb_breakpoint "$srcfile2:[gdb_get_line_number {break here 1} $srcfile2]"
gdb_continue_to_breakpoint "break here 1"
gdb_test "info function jit_function" "$match_str"
# This is just to help debugging when things fail
if {$verbose > 0} {
gdb_test "maintenance print objfiles"
gdb_test "maintenance info break"
gdb_breakpoint "$srcfile2:[gdb_get_line_number {break here 2} $srcfile2]"
gdb_continue_to_breakpoint "break here 2"
# All jit librares must have been unregistered
gdb_test "info function jit_function" \
"All functions matching regular expression \"jit_function\":"
one_jit_test 1 "${hex} jit_function_0000"
one_jit_test 2 "${hex} jit_function_0000\[\r\n\]+${hex} jit_function_0001"
# We don't intend to load the .so as a JIT debuginfo reader, but we
# need some handy file name for a completion test.
gdb_test \
"complete jit-reader-load [standard_output_file ${solib_testfile}.s]" \
"jit-reader-load $solib_binfile" \
"test jit-reader-load filename completion"