gdb/testsuite/gdb.python/py-objfile.exp

   1 # Copyright (C) 2011-2018 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 # This file is part of the GDB testsuite.  It tests the program space
  17 # support in Python.
  18
  19 load_lib gdb-python.exp
  20
  21 standard_testfile
  22
  23 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
  24     return -1
  25 }
  26
  27 # Skip all tests if Python scripting is not enabled.
  28 if { [skip_python_tests] } { continue }
  29
  30 if ![runto_main] then {
  31     fail "can't run to main"
  32     return 0
  33 }
  34
  35 set python_error_text "Error while executing Python code\\."
  36
  37 gdb_py_test_silent_cmd "python sym = gdb.lookup_symbol(\"some_var\")" \
  38     "Find a symbol in objfile" 1
  39 gdb_py_test_silent_cmd "python objfile = sym\[0\].symtab.objfile" \
  40     "Get backing object file" 1
  41
  42 gdb_test "python print (objfile.filename)" "${testfile}" \
  43   "Get objfile file name"
  44
  45 gdb_test "python print (objfile.username)" "${testfile}" \
  46   "Get objfile user name"
  47
  48 gdb_test "python print (objfile)" \
  49     "<gdb.Objfile filename=[string_to_regexp ${binfile}]>"
  50
  51 gdb_test_no_output "python dir(objfile)"
  52
  53 gdb_test "python print (gdb.lookup_objfile (\"${testfile}\").filename)" \
  54     "${testfile}" "print lookup_objfile filename"
  55 gdb_test "python print (gdb.lookup_objfile (\"junk\"))" \
  56     "Objfile not found\\.\r\n${python_error_text}"
  57
  58 set binfile_build_id [get_build_id $binfile]
  59 if [string compare $binfile_build_id ""] {
  60     verbose -log "binfile_build_id = $binfile_build_id"
  61     gdb_test "python print (objfile.build_id)" "$binfile_build_id" \
  62     "Get objfile build id"
  63     gdb_test "python print (gdb.lookup_objfile (\"$binfile_build_id\", by_build_id=True).filename)" \
  64         "${testfile}" "print lookup_objfile filename by build-id"
  65 } else {
  66     unsupported "build-id is not supported by the compiler"
  67 }
  68
  69 # Other lookup_objfile_by_build_id tests we can do, even if compiler doesn't
  70 # support them.
  71 gdb_test "python print (gdb.lookup_objfile (\"foo\", by_build_id=True))" \
  72     "Not a valid build id\\.\r\n${python_error_text}" \
  73     "print invalid file lookup_objfile by build-id"
  74 gdb_test "python print (gdb.lookup_objfile (\"1234abcdef\", by_build_id=True))" \
  75     "Objfile not found\\.\r\n${python_error_text}" \
  76     "print invalid file lookup_objfile by build-id 2"
  77
  78 gdb_test "python print (objfile.progspace)" "<gdb\.Progspace object at .*>" \
  79   "Get objfile program space"
  80 gdb_test "python print (objfile.is_valid())" "True" \
  81   "Get objfile validity"
  82 gdb_unload
  83 gdb_test "python print (objfile.is_valid())" "False" \
  84   "Get objfile validity after unload"
  85
  86 gdb_py_test_silent_cmd "python objfile.random_attribute = 42" \
  87     "Set random attribute in objfile" 1
  88 gdb_test "python print (objfile.random_attribute)" "42" \
  89     "Verify set of random attribute in objfile"
  90
  91 # Verify invalid objfile handling.
  92
  93 if { [gdb_unload] < 0 } {
  94     fail "unload all files"
  95     return -1
  96 }
  97
  98 gdb_test "python print(objfile.filename)" "None" \
  99     "objfile.filename after objfile is unloaded"
 100 gdb_test "python print(objfile.username)" "None" \
 101     "objfile.username after objfile is unloaded"
 102
 103 # Now build another copy of the testcase, this time without debug info.
 104
 105 if { [prepare_for_testing "failed to prepare" ${testfile}2 ${srcfile} {nodebug ldflags=-Wl,--strip-debug}] } {
 106     return -1
 107 }
 108
 109 if ![runto_main] {
 110     fail "can't run to main"
 111     return 0
 112 }
 113
 114 gdb_py_test_silent_cmd "python objfile = gdb.objfiles()\[0\]" \
 115     "Get no-debug objfile file" 1
 116
 117 gdb_test "python print (objfile.owner)" "None" \
 118     "Test owner of real objfile."
 119
 120 gdb_test "p main" "= {<text variable, no debug info>} $hex <main>" \
 121     "print main without debug info"
 122
 123 gdb_py_test_silent_cmd "python objfile.add_separate_debug_file(\"${binfile}\")" \
 124     "Add separate debug file file" 1
 125
 126 gdb_py_test_silent_cmd "python sep_objfile = gdb.objfiles()\[0\]" \
 127     "Get separate debug info objfile" 1
 128
 129 gdb_test "python print (sep_objfile.owner.filename)" "${testfile}2" \
 130     "Test owner of separate debug file"
 131
 132 gdb_test "python print (sep_objfile.owner.username)" "${testfile}2" \
 133     "Test user-name of owner of separate debug file"
 134
 135 gdb_test "p main" "= {int \\(\\)} $hex <main>" \
 136     "print main with debug info"
 137
 138 # Separate debug files are not findable.
 139 if { [get_python_valueof "sep_objfile.build_id" "None"] != "None" } {
 140     gdb_test "python print (gdb.lookup_objfile (sep_objfile.build_id, by_build_id=True))" \
 141         "Objfile not found\\.\r\n${python_error_text}" \
 142         "print lookup_objfile of separate debug file"
 143 }
 144
 145 # An objfile that was a symlink to a differently named file is still
 146 # findable with its original name.
 147 set symlink_binary [standard_output_file "symlink-binary"]
 148 remote_exec host "rm -f ${symlink_binary}"
 149 remote_exec host "ln -sf ${testfile} ${symlink_binary}"
 150 if [remote_file host exists "${symlink_binary}"] {
 151     clean_restart "${symlink_binary}"
 152     gdb_test "python print (gdb.lookup_objfile (\"${symlink_binary}\").filename)" \
 153         "${testfile}" "gdb.lookup_objfile of symlinked binary"
 154 }
 155
 156 # Test printing an Objfile object that is no longer valid.
 157 gdb_py_test_silent_cmd "python objfile = gdb.objfiles()\[0\]" \
 158     "get first objfile" 1
 159 gdb_file_cmd ${binfile}
 160 gdb_test "python print(objfile)" "<gdb.Objfile \\\(invalid\\\)>"