f0823d2ce8
* python/python-internal.h (frame_object_type): Declare. * python/py-symbol.c (sympy_needs_frame): New function. (sympy_value): New function. (symbol_object_getset): Add "needs_frame". (symbol_object_methods): Add "value". * python/py-frame.c (frame_object_type): No longer static. gdb/doc * gdb.texinfo (Symbols In Python): Document Symbol.needs_frame and Symbol.value. gdb/testsuite * gdb.python/py-symbol.exp: Test Symbol.needs_frame and Symbol.value. * gdb.python/py-symbol.c (qq): Set default value.
169 lines
7 KiB
Text
169 lines
7 KiB
Text
# Copyright (C) 2010-2012 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# This file is part of the GDB testsuite. It tests the mechanism
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# exposing values to Python.
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load_lib gdb-python.exp
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set testfile "py-symbol"
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
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untested "Couldn't compile ${srcfile}"
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return -1
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}
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# Start with a fresh gdb.
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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# Skip all tests if Python scripting is not enabled.
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if { [skip_python_tests] } { continue }
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# Test looking up a global symbol before we runto_main as this is the
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# point where we don't have a current frame, and we don't want to
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# require one.
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gdb_py_test_silent_cmd "python main_func = gdb.lookup_global_symbol(\"main\")" "Lookup main" 1
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gdb_test "python print main_func.is_function" "True" "Test main_func.is_function"
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gdb_test "python print gdb.lookup_global_symbol(\"junk\")" "None" "Test lookup_global_symbol(\"junk\")"
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gdb_test "python print gdb.lookup_symbol('main')\[0\].value()" "$hex .main." \
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"print value of main"
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set qq_line [gdb_get_line_number "line of qq"]
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gdb_test "python print gdb.lookup_symbol('qq')\[0\].line" "$qq_line" \
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"print line number of qq"
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gdb_test "python print gdb.lookup_symbol('qq')\[0\].value()" "72" \
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"print value of qq"
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gdb_test "python print gdb.lookup_symbol('qq')\[0\].needs_frame" "False" \
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"print whether qq needs a frame"
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if ![runto_main] then {
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fail "Can't run to main"
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return 0
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}
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global hex decimal
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gdb_breakpoint [gdb_get_line_number "Block break here."]
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gdb_continue_to_breakpoint "Block break here."
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gdb_py_test_silent_cmd "python frame = gdb.selected_frame()" "Get Frame" 0
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gdb_py_test_silent_cmd "python block = frame.block()" "Get block" 0
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# Test is_argument attribute.
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gdb_py_test_silent_cmd "python arg = gdb.lookup_symbol(\"arg\")" "Get variable a" 0
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gdb_test "python print arg\[0\].is_variable" "False" "Test arg.is_variable"
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gdb_test "python print arg\[0\].is_constant" "False" "Test arg.is_constant"
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gdb_test "python print arg\[0\].is_argument" "True" "Test arg.is_argument"
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gdb_test "python print arg\[0\].is_function" "False" "Test arg.is_function"
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# Test is_function attribute.
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gdb_py_test_silent_cmd "python func = frame.block().function" "Get block" 0
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gdb_test "python print func.is_variable" "False" "Test func.is_variable"
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gdb_test "python print func.is_constant" "False" "Test func.is_constant"
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gdb_test "python print func.is_argument" "False" "Test func.is_argument"
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gdb_test "python print func.is_function" "True" "Test func.is_function"
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gdb_test "python print func.name" "func" "Test func.name"
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gdb_test "python print func.print_name" "func" "Test func.print_name"
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gdb_test "python print func.linkage_name" "func" "Test func.linkage_name"
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gdb_test "python print func.addr_class == gdb.SYMBOL_LOC_BLOCK" "True" "Test func.addr_class"
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gdb_breakpoint [gdb_get_line_number "Break at end."]
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gdb_continue_to_breakpoint "Break at end."
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gdb_py_test_silent_cmd "python frame = gdb.selected_frame()" "Get Frame" 0
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# Test is_variable attribute.
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gdb_py_test_silent_cmd "python a = gdb.lookup_symbol(\'a\')" "Get variable a" 0
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gdb_test "python print a\[0\].is_variable" "True" "Test a.is_variable"
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gdb_test "python print a\[0\].is_constant" "False" "Test a.is_constant"
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gdb_test "python print a\[0\].is_argument" "False" "Test a.is_argument"
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gdb_test "python print a\[0\].is_function" "False" "Test a.is_function"
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gdb_test "python print a\[0\].addr_class == gdb.SYMBOL_LOC_COMPUTED" "True" "Test a.addr_class"
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gdb_test "python print a\[0\].value()" \
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"symbol requires a frame to compute its value.*"\
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"try to print value of a without a frame"
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gdb_test "python print a\[0\].value(frame)" "0" \
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"print value of a"
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gdb_test "python print a\[0\].needs_frame" "True" \
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"print whether a needs a frame"
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# Test is_constant attribute
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gdb_py_test_silent_cmd "python t = gdb.lookup_symbol(\"one\")" "Get variable a" 0
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gdb_test "python print t\[0\].is_variable" "False" "Test t.is_variable"
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gdb_test "python print t\[0\].is_constant" "True" "Test t.is_constant"
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gdb_test "python print t\[0\].is_argument" "False" "Test t.is_argument"
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gdb_test "python print t\[0\].is_function" "False" "Test t.is_function"
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gdb_test "python print t\[0\].addr_class == gdb.SYMBOL_LOC_CONST" "True" "Test t.addr_class"
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# Test type attribute.
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gdb_test "python print t\[0\].type" "enum tag" "Get type"
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# Test symtab attribute.
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gdb_test "python print t\[0\].symtab" "gdb.python/py-symbol.c.*" "Get symtab"
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# C++ tests
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# Recompile binary.
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}-cxx" executable "debug c++"] != "" } {
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untested "Couldn't compile ${srcfile} in c++ mode"
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return -1
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}
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# Start with a fresh gdb.
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}-cxx
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if ![runto_main] then {
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fail "Can't run to main"
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return 0
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}
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gdb_breakpoint [gdb_get_line_number "Break in class."]
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gdb_continue_to_breakpoint "Break in class."
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gdb_py_test_silent_cmd "python cplusframe = gdb.selected_frame()" "Get Frame" 0
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gdb_py_test_silent_cmd "python cplusfunc = cplusframe.block().function" "Get block" 0
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gdb_test "python print cplusfunc.is_variable" "False" "Test func.is_variable"
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gdb_test "python print cplusfunc.is_constant" "False" "Test func.is_constant"
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gdb_test "python print cplusfunc.is_argument" "False" "Test func.is_argument"
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gdb_test "python print cplusfunc.is_function" "True" "Test func.is_function"
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gdb_test "python print cplusfunc.name" "SimpleClass::valueofi().*" "Test func.name"
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gdb_test "python print cplusfunc.print_name" "SimpleClass::valueofi().*" "Test func.print_name"
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gdb_test "python print cplusfunc.linkage_name" "SimpleClass::valueofi().*" "Test func.linkage_name"
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gdb_test "python print cplusfunc.addr_class == gdb.SYMBOL_LOC_BLOCK" "True" "Test func.addr_class"
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# Test is_valid when the objfile is unloaded. This must be the last
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# test as it unloads the object file in GDB.
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# Start with a fresh gdb.
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clean_restart ${testfile}
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if ![runto_main] then {
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fail "Cannot run to main."
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return 0
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}
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gdb_breakpoint [gdb_get_line_number "Break at end."]
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gdb_continue_to_breakpoint "Break at end."
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gdb_py_test_silent_cmd "python a = gdb.lookup_symbol(\'a\')" "Get variable a" 0
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gdb_test "python print a\[0\].is_valid()" "True" "Test symbol validity"
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delete_breakpoints
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gdb_unload
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gdb_test "python print a\[0\].is_valid()" "False" "Test symbol validity"
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