gdb/testsuite/gdb.base/jit-so.exp

   1 # Copyright 2011-2016 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 # The same tests as in jit.exp, but loading JITer itself from a shared
  17 # library.
  18
  19 if {[skip_shlib_tests]} {
  20     untested "skipping shared library tests"
  21     return -1
  22 }
  23
  24 if {[get_compiler_info]} {
  25     untested "could not get compiler info"
  26     return 1
  27 }
  28
  29 #
  30 # test running programs
  31 #
  32
  33 set testfile jit-dlmain
  34 set srcfile ${testfile}.c
  35 set binfile [standard_output_file ${testfile}]
  36 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug shlib_load}] != "" } {
  37     untested "failed to compile"
  38     return -1
  39 }
  40
  41 set testfile2 jit-main
  42 set srcfile2 ${testfile2}.c
  43 set binfile2 [standard_output_file ${testfile2}.so]
  44 set binfile2_dlopen [shlib_target_file ${testfile2}.so]
  45 if { [gdb_compile_shlib "${srcdir}/${subdir}/${srcfile2}" ${binfile2} {debug additional_flags="-DMAIN=jit_dl_main"}] != "" } {
  46     untested "failed to compile main shared library"
  47     return -1
  48 }
  49
  50 set solib_testfile "jit-solib"
  51 set solib_srcfile "${srcdir}/${subdir}/${solib_testfile}.c"
  52 set solib_binfile [standard_output_file ${solib_testfile}.so]
  53 set solib_binfile_test_msg "SHLIBDIR/${solib_testfile}.so"
  54
  55 # Note: compiling without debug info: the library goes through symbol
  56 # renaming by munging on its symbol table, and that wouldn't work for .debug
  57 # sections.  Also, output for "info function" changes when debug info is resent.
  58 if { [gdb_compile_shlib ${solib_srcfile} ${solib_binfile} {}] != "" } {
  59     untested "failed to compile jit shared library"
  60     return -1
  61 }
  62
  63 set solib_binfile_target [gdb_remote_download target ${solib_binfile}]
  64
  65 proc one_jit_test {count match_str} {
  66     with_test_prefix "one_jit_test-$count" {
  67         global verbose testfile srcfile2 binfile2 binfile2_dlopen solib_binfile_target solib_binfile_test_msg
  68
  69         clean_restart $testfile
  70         gdb_load_shlib $binfile2
  71
  72         # This is just to help debugging when things fail
  73         if {$verbose > 0} {
  74             gdb_test "set debug jit 1"
  75         }
  76
  77         if { ![runto_main] } {
  78             fail "can't run to main"
  79             return
  80         }
  81
  82         gdb_breakpoint [gdb_get_line_number "break here before-dlopen" ]
  83         gdb_continue_to_breakpoint "break here before-dlopen"
  84         # Poke desired values directly into inferior instead of using "set args"
  85         # because "set args" does not work under gdbserver.
  86         gdb_test_no_output "set var jit_libname = \"$binfile2_dlopen\""
  87
  88         gdb_breakpoint [gdb_get_line_number "break here after-dlopen" ]
  89         gdb_continue_to_breakpoint "break here after-dlopen"
  90
  91         gdb_breakpoint "$srcfile2:[gdb_get_line_number {break here 0} $srcfile2]"
  92         gdb_continue_to_breakpoint "break here 0"
  93
  94         gdb_test_no_output "set var argc = 2"
  95         gdb_test_no_output "set var libname = \"$solib_binfile_target\"" "set var libname = \"$solib_binfile_test_msg\""
  96         gdb_test_no_output "set var count = $count"
  97
  98         gdb_breakpoint "$srcfile2:[gdb_get_line_number {break here 1} $srcfile2]"
  99         gdb_continue_to_breakpoint "break here 1"
 100
 101         gdb_test "info function jit_function" "$match_str"
 102
 103         # This is just to help debugging when things fail
 104         if {$verbose > 0} {
 105             gdb_test "maintenance print objfiles"
 106             gdb_test "maintenance info break"
 107         }
 108
 109         gdb_breakpoint "$srcfile2:[gdb_get_line_number {break here 2} $srcfile2]"
 110         gdb_continue_to_breakpoint "break here 2"
 111         # All jit librares must have been unregistered
 112         gdb_test "info function jit_function" \
 113             "All functions matching regular expression \"jit_function\":"
 114     }
 115 }
 116
 117 one_jit_test 1 "${hex}  jit_function_0000"
 118 one_jit_test 2 "${hex}  jit_function_0000\[\r\n\]+${hex}  jit_function_0001"
 119
 120 # We don't intend to load the .so as a JIT debuginfo reader, but we
 121 # need some handy file name for a completion test.
 122 gdb_test \
 123     "complete jit-reader-load [standard_output_file ${solib_testfile}.s]" \
 124     "jit-reader-load $solib_binfile" \
 125     "test jit-reader-load filename completion"