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

   1 # Copyright (C) 2011-2022 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=.*${testfile}.*>"
  50
  51 gdb_test_no_output "python dir(objfile)"
  52
  53 gdb_test "python print (gdb.lookup_objfile (\"${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 gdb_test "python print (gdb.lookup_objfile (\"${testfile}\").lookup_global_symbol (\"global_var\").name)" \
  59     "global_var" "lookup_global_symbol finds a valid symbol"
  60 gdb_test "python print (gdb.lookup_objfile (\"${testfile}\").lookup_global_symbol (\"static_var\") is None)" \
  61     "True" "lookup_global_symbol does not find static symbol"
  62 gdb_test "python print (gdb.lookup_objfile (\"${testfile}\").lookup_global_symbol (\"stdout\"))" \
  63     "None" "lookup_global_symbol doesn't find symbol in other objfile"
  64
  65 gdb_test "python print (gdb.lookup_objfile (\"${testfile}\").lookup_static_symbol (\"static_var\").name)" \
  66     "static_var" "lookup_static_symbol finds a valid symbol"
  67 gdb_test "python print (gdb.lookup_objfile (\"${testfile}\").lookup_static_symbol (\"global_var\") is None)" \
  68     "True" "lookup_static_symbol does not find global symbol"
  69 gdb_test "python print (gdb.lookup_objfile (\"${testfile}\").lookup_static_symbol (\"nonexistent\"))" \
  70     "None" "lookup_static_symbol can handle nonexistent symbol"
  71
  72 set binfile_build_id [get_build_id $binfile]
  73 if [string compare $binfile_build_id ""] {
  74     verbose -log "binfile_build_id = $binfile_build_id"
  75     gdb_test "python print (objfile.build_id)" "$binfile_build_id" \
  76     "Get objfile build id"
  77     gdb_test "python print (gdb.lookup_objfile (\"$binfile_build_id\", by_build_id=True).filename)" \
  78         "${testfile}" "print lookup_objfile filename by build-id"
  79 } else {
  80     unsupported "build-id is not supported by the compiler"
  81 }
  82
  83 # Other lookup_objfile_by_build_id tests we can do, even if compiler doesn't
  84 # support them.
  85 gdb_test "python print (gdb.lookup_objfile (\"foo\", by_build_id=True))" \
  86     "Not a valid build id\\.\r\n${python_error_text}" \
  87     "print invalid file lookup_objfile by build-id"
  88 gdb_test "python print (gdb.lookup_objfile (\"1234abcdef\", by_build_id=True))" \
  89     "Objfile not found\\.\r\n${python_error_text}" \
  90     "print invalid file lookup_objfile by build-id 2"
  91
  92 gdb_test "python print (objfile.progspace)" "<gdb\.Progspace object at .*>" \
  93   "Get objfile program space"
  94 gdb_test "python print (objfile.is_valid())" "True" \
  95   "Get objfile validity"
  96 gdb_unload
  97 gdb_test "python print (objfile.is_valid())" "False" \
  98   "Get objfile validity after unload"
  99
 100 gdb_py_test_silent_cmd "python objfile.random_attribute = 42" \
 101     "Set random attribute in objfile" 1
 102 gdb_test "python print (objfile.random_attribute)" "42" \
 103     "Verify set of random attribute in objfile"
 104
 105 # Verify invalid objfile handling.
 106
 107 if { [gdb_unload] < 0 } {
 108     fail "unload all files"
 109     return -1
 110 }
 111
 112 gdb_test "python print(objfile.filename)" "None" \
 113     "objfile.filename after objfile is unloaded"
 114 gdb_test "python print(objfile.username)" "None" \
 115     "objfile.username after objfile is unloaded"
 116
 117 # Now build another copy of the testcase, this time without debug info.
 118
 119 if { [prepare_for_testing "failed to prepare" ${testfile}2 ${srcfile} {nodebug ldflags=-Wl,--strip-debug}] } {
 120     return -1
 121 }
 122
 123 if ![runto_main] {
 124     fail "can't run to main"
 125     return 0
 126 }
 127
 128 gdb_py_test_silent_cmd "python objfile = gdb.objfiles()\[0\]" \
 129     "Get no-debug objfile file" 1
 130
 131 gdb_test "python print (objfile.owner)" "None" \
 132     "Test owner of real objfile."
 133
 134 gdb_test "p main" "= {<text variable, no debug info>} $hex <main>" \
 135     "print main without debug info"
 136
 137 gdb_py_test_silent_cmd "python objfile.add_separate_debug_file(\"${binfile}\")" \
 138     "Add separate debug file file" 1
 139
 140 gdb_py_test_silent_cmd "python sep_objfile = gdb.objfiles()\[0\]" \
 141     "Get separate debug info objfile" 1
 142
 143 gdb_test "python print (sep_objfile.owner.filename)" "${testfile}2" \
 144     "Test owner of separate debug file"
 145
 146 gdb_test "python print (sep_objfile.owner.username)" "${testfile}2" \
 147     "Test user-name of owner of separate debug file"
 148
 149 gdb_test "p main" "= {int \\(\\)} $hex <main>" \
 150     "print main with debug info"
 151
 152 # Separate debug files are not findable.
 153 if { [get_python_valueof "sep_objfile.build_id" "None"] != "None" } {
 154     gdb_test "python print (gdb.lookup_objfile (sep_objfile.build_id, by_build_id=True))" \
 155         "Objfile not found\\.\r\n${python_error_text}" \
 156         "print lookup_objfile of separate debug file"
 157 }
 158
 159 # An objfile that was a symlink to a differently named file is still
 160 # findable with its original name.
 161 # On Windows we don't have proper symlinks, so skip this.
 162 if ![ishost *-*-mingw*] {
 163     set symlink_binary [standard_output_file "symlink-binary"]
 164     remote_exec host "rm -f ${symlink_binary}"
 165     remote_exec host "ln -sf ${testfile} ${symlink_binary}"
 166     if [remote_file host exists "${symlink_binary}"] {
 167         clean_restart "${symlink_binary}"
 168         gdb_test "python print (gdb.lookup_objfile (\"${symlink_binary}\").filename)" \
 169             "${testfile}" "gdb.lookup_objfile of symlinked binary"
 170     }
 171 }
 172
 173 # Test printing an Objfile object that is no longer valid.
 174 gdb_py_test_silent_cmd "python objfile = gdb.objfiles()\[0\]" \
 175     "get first objfile" 1
 176 gdb_file_cmd ${binfile}
 177 gdb_test "python print(objfile)" "<gdb.Objfile \\\(invalid\\\)>"