| 1 | # Copyright 2011-2017 Free Software Foundation, Inc. |
| 2 | |
| 3 | # This program is free software; you can redistribute it and/or modify |
| 4 | # it under the terms of the GNU General Public License as published by |
| 5 | # the Free Software Foundation; either version 3 of the License, or |
| 6 | # (at your option) any later version. |
| 7 | # |
| 8 | # This program is distributed in the hope that it will be useful, |
| 9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | # GNU General Public License for more details. |
| 12 | # |
| 13 | # You should have received a copy of the GNU General Public License |
| 14 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 15 | |
| 16 | if {[skip_shlib_tests]} { |
| 17 | untested "skipping shared library tests" |
| 18 | return -1 |
| 19 | } |
| 20 | |
| 21 | if {[get_compiler_info]} { |
| 22 | untested "could not get compiler info" |
| 23 | return 1 |
| 24 | } |
| 25 | |
| 26 | # Compile the testcase program and library. BINSUFFIX is the suffix |
| 27 | # to append to the program and library filenames, to make them unique |
| 28 | # between invocations. OPTIONS is passed to gdb_compile when |
| 29 | # compiling the program. |
| 30 | |
| 31 | proc compile_jit_test {testname binsuffix options} { |
| 32 | global testfile srcfile binfile srcdir subdir |
| 33 | global solib_testfile solib_srcfile solib_binfile solib_binfile_test_msg |
| 34 | global solib_binfile_target |
| 35 | |
| 36 | set testfile jit-main |
| 37 | set srcfile ${testfile}.c |
| 38 | set binfile [standard_output_file $testfile$binsuffix] |
| 39 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" \ |
| 40 | executable [concat debug $options]] != "" } { |
| 41 | untested $testname |
| 42 | return -1 |
| 43 | } |
| 44 | |
| 45 | set solib_testfile "jit-solib" |
| 46 | set solib_srcfile "${srcdir}/${subdir}/${solib_testfile}.c" |
| 47 | set solib_binfile [standard_output_file ${solib_testfile}$binsuffix.so] |
| 48 | set solib_binfile_test_msg "SHLIBDIR/${solib_testfile}$binsuffix.so" |
| 49 | |
| 50 | # Note: compiling without debug info: the library goes through |
| 51 | # symbol renaming by munging on its symbol table, and that |
| 52 | # wouldn't work for .debug sections. Also, output for "info |
| 53 | # function" changes when debug info is present. |
| 54 | if { [gdb_compile_shlib ${solib_srcfile} ${solib_binfile} {-fPIC}] != "" } { |
| 55 | untested $testname |
| 56 | return -1 |
| 57 | } |
| 58 | |
| 59 | set solib_binfile_target [gdb_remote_download target ${solib_binfile}] |
| 60 | |
| 61 | return 0 |
| 62 | } |
| 63 | |
| 64 | # Detach, restart GDB, and re-attach to the program. |
| 65 | |
| 66 | proc clean_reattach {} { |
| 67 | global decimal gdb_prompt srcfile testfile |
| 68 | |
| 69 | # Get PID of test program. |
| 70 | set testpid -1 |
| 71 | set test "get inferior process ID" |
| 72 | gdb_test_multiple "p mypid" $test { |
| 73 | -re ".* = ($decimal).*$gdb_prompt $" { |
| 74 | set testpid $expect_out(1,string) |
| 75 | pass $test |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | gdb_test_no_output "set var wait_for_gdb = 1" |
| 80 | gdb_test "detach" "Detaching from .*" |
| 81 | |
| 82 | clean_restart $testfile |
| 83 | |
| 84 | set test "attach" |
| 85 | gdb_test_multiple "attach $testpid" "$test" { |
| 86 | -re "Attaching to program.*.*main.*at .*$srcfile:.*$gdb_prompt $" { |
| 87 | pass "$test" |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | gdb_test_no_output "set var wait_for_gdb = 0" |
| 92 | } |
| 93 | |
| 94 | # Continue to LOCATION in the program. If REATTACH, detach and |
| 95 | # re-attach to the program from scratch. |
| 96 | proc continue_to_test_location {location reattach} { |
| 97 | gdb_breakpoint [gdb_get_line_number $location] |
| 98 | gdb_continue_to_breakpoint $location |
| 99 | if {$reattach} { |
| 100 | with_test_prefix "$location" { |
| 101 | clean_reattach |
| 102 | } |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | proc one_jit_test {count match_str reattach} { |
| 107 | with_test_prefix "one_jit_test-$count" { |
| 108 | global verbose testfile solib_binfile_target solib_binfile_test_msg |
| 109 | |
| 110 | clean_restart $testfile |
| 111 | |
| 112 | # This is just to help debugging when things fail |
| 113 | if {$verbose > 0} { |
| 114 | gdb_test "set debug jit 1" |
| 115 | } |
| 116 | |
| 117 | if { ![runto_main] } { |
| 118 | fail "can't run to main" |
| 119 | return |
| 120 | } |
| 121 | |
| 122 | gdb_breakpoint [gdb_get_line_number "break here 0"] |
| 123 | gdb_continue_to_breakpoint "break here 0" |
| 124 | |
| 125 | # Poke desired values directly into inferior instead of using "set args" |
| 126 | # because "set args" does not work under gdbserver. |
| 127 | gdb_test_no_output "set var argc = 2" |
| 128 | gdb_test_no_output "set var libname = \"$solib_binfile_target\"" "set var libname = \"$solib_binfile_test_msg\"" |
| 129 | gdb_test_no_output "set var count = $count" |
| 130 | |
| 131 | continue_to_test_location "break here 1" $reattach |
| 132 | |
| 133 | gdb_test "info function ^jit_function" "$match_str" |
| 134 | |
| 135 | # This is just to help debugging when things fail |
| 136 | if {$verbose > 0} { |
| 137 | gdb_test "maintenance print objfiles" |
| 138 | gdb_test "maintenance info break" |
| 139 | } |
| 140 | |
| 141 | continue_to_test_location "break here 2" $reattach |
| 142 | |
| 143 | # All jit librares must have been unregistered |
| 144 | gdb_test "info function jit_function" \ |
| 145 | "All functions matching regular expression \"jit_function\":" |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | if {[compile_jit_test jit.exp "" {}] < 0} { |
| 150 | return |
| 151 | } |
| 152 | one_jit_test 1 "${hex} jit_function_0000" 0 |
| 153 | one_jit_test 2 "${hex} jit_function_0000\[\r\n\]+${hex} jit_function_0001" 0 |
| 154 | |
| 155 | # Test attaching to an inferior with some JIT libraries already |
| 156 | # registered. We reuse the normal test, and detach/reattach at |
| 157 | # specific interesting points. |
| 158 | if {[can_spawn_for_attach]} { |
| 159 | if {[compile_jit_test "jit.exp attach tests" \ |
| 160 | "-attach" {additional_flags=-DATTACH=1}] < 0} { |
| 161 | return |
| 162 | } |
| 163 | |
| 164 | with_test_prefix attach { |
| 165 | one_jit_test 2 "${hex} jit_function_0000\[\r\n\]+${hex} jit_function_0001" 1 |
| 166 | } |
| 167 | } |
| 168 | |
| 169 | with_test_prefix PIE { |
| 170 | if {[compile_jit_test "jit.exp PIE tests" \ |
| 171 | "-pie" {additional_flags=-fPIE ldflags=-pie}] < 0} { |
| 172 | return |
| 173 | } |
| 174 | |
| 175 | one_jit_test 1 "${hex} jit_function_0000" 0 |
| 176 | } |