303 lines
12 KiB
Text
303 lines
12 KiB
Text
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# Copyright (C) 2010-2022 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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standard_testfile py-symbol.c py-symbol-2.c
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set opts { debug additional_flags=-DUSE_TWO_FILES }
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if {[prepare_for_testing "failed to prepare" $testfile \
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[list $srcfile $srcfile2] $opts]} {
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return -1
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}
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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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set readnow_p [readnow]
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# Check that we find all static symbols before the inferior has
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# started, at which point some of the symtabs might not have been
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# expanded.
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gdb_test "python print (len (gdb.lookup_static_symbols ('rr')))" \
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"2" "print (len (gdb.lookup_static_symbols ('rr')))"
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# Restart so we don't have expanded symtabs after the previous test.
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clean_restart ${binfile}
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# Test looking up a global symbol before we runto_main as this is the
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# point where we don't have a current frame, and we don't want to
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# require one.
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gdb_py_test_silent_cmd "python main_func = gdb.lookup_global_symbol(\"main\")" "Lookup main" 1
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gdb_test "python print (main_func.is_function)" "True" "test main_func.is_function"
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gdb_test "python print (gdb.lookup_global_symbol(\"junk\"))" "None" "test lookup_global_symbol(\"junk\")"
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gdb_test "python print (gdb.lookup_global_symbol('main').value())" "$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_global_symbol('qq').line)" "$qq_line" \
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"print line number of qq"
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gdb_test "python print (gdb.lookup_global_symbol('qq').value())" "72" \
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"print value of qq"
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gdb_test "python print (gdb.lookup_global_symbol('qq').needs_frame)" \
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"False" \
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"print whether qq needs a frame"
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# Similarly, test looking up a static symbol before we runto_main.
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set rr_line [gdb_get_line_number "line of rr"]
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set rr_line_alt [gdb_get_line_number "line of other rr" py-symbol-2.c]
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gdb_test "python print (gdb.lookup_global_symbol ('rr') is None)" "True" \
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"lookup_global_symbol for static var"
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set cmd "python print (gdb.lookup_static_symbol ('rr').line)"
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gdb_test_multiple $cmd "print line number of rr" {
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-re -wrap "$rr_line" {
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pass $gdb_test_name
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}
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-re -wrap "$rr_line_alt" {
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if { $readnow_p } {
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setup_kfail "symtab/25857" *-*-*
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}
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fail $gdb_test_name
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}
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}
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set cmd "python print (gdb.lookup_static_symbol ('rr').value ())"
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gdb_test_multiple $cmd "print value of rr" {
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-re -wrap "42" {
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pass $gdb_test_name
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}
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-re -wrap "99" {
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if { $readnow_p } {
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setup_kfail "symtab/25857" *-*-*
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}
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fail $gdb_test_name
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}
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}
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gdb_test "python print (gdb.lookup_static_symbol ('rr').needs_frame)" \
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"False" \
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"print whether rr needs a frame"
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gdb_test "python print (gdb.lookup_static_symbol ('nonexistent') is None)" \
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"True" "lookup_static_symbol for nonexistent var"
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gdb_test "python print (gdb.lookup_static_symbol ('qq') is None)" \
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"True" "lookup_static_symbol for global var"
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if ![runto_main] then {
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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 arg" 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 = block.function" "Get block function" 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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# Test attributes of func.
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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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# Stop in a second file and ensure we find its local static symbol.
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gdb_breakpoint "function_in_other_file"
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gdb_continue_to_breakpoint "function_in_other_file"
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gdb_test "python print (gdb.lookup_static_symbol ('rr').value ())" "99" \
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"print value of rr from other file"
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gdb_test "python print (gdb.lookup_static_symbols ('rr')\[0\].value ())" "99" \
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"print value of gdb.lookup_static_symbols ('rr')\[0\], from the other file"
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gdb_test "python print (gdb.lookup_static_symbols ('rr')\[1\].value ())" "42" \
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"print value of gdb.lookup_static_symbols ('rr')\[1\], from the other file"
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# Now continue back to the first source file.
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set linenum [gdb_get_line_number "Break at end."]
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gdb_breakpoint "$srcfile:$linenum"
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gdb_continue_to_breakpoint "Break at end for variable a" ".*Break at end.*"
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gdb_py_test_silent_cmd "python frame = gdb.selected_frame()" "Get Frame" 0
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# Check that we find the static sybol local to this file over the
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# static symbol from the second source file.
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gdb_test "python print (gdb.lookup_static_symbol ('rr').value ())" "42" \
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"print value of rr from main file"
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gdb_test "python print (gdb.lookup_static_symbols ('rr')\[0\].value ())" "99" \
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"print value of gdb.lookup_static_symbols ('rr')\[0\], from the main file"
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gdb_test "python print (gdb.lookup_static_symbols ('rr')\[1\].value ())" "42" \
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"print value of gdb.lookup_static_symbols ('rr')\[1\], from the main file"
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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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# Test attributes of a.
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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 constant t" 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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# Test attributes of t.
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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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if { [is_remote host] } {
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set py_symbol_c [string_to_regexp $srcfile]
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} else {
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set py_symbol_c [string_to_regexp ${srcdir}/${subdir}/${srcfile}]
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}
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gdb_test "python print (t\[0\].symtab)" "${py_symbol_c}" "get symtab"
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# C++ tests
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# Recompile binary.
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lappend opts c++
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if {[prepare_for_testing "failed to prepare" "${binfile}-cxx" \
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[list $srcfile $srcfile2] $opts]} {
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return -1
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}
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gdb_test "python print (gdb.lookup_global_symbol ('(anonymous namespace)::anon') is None)" \
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"True" "anon is None"
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gdb_test "python print (gdb.lookup_static_symbol ('(anonymous namespace)::anon').value ())" \
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"10" "print value of anon"
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if ![runto_main] then {
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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 at class" 0
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gdb_py_test_silent_cmd "python cplusfunc = cplusframe.block().function" "Get function at class" 0
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gdb_test "python print (cplusfunc.is_variable)" \
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"False" "Test cplusfunc.is_variable"
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gdb_test "python print (cplusfunc.is_constant)" \
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"False" "Test cplusfunc.is_constant"
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gdb_test "python print (cplusfunc.is_argument)" \
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"False" "Test cplusfunc.is_argument"
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gdb_test "python print (cplusfunc.is_function)" \
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"True" "Test cplusfunc.is_function"
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gdb_test "python print (cplusfunc.name)" "SimpleClass::valueofi().*" "test method.name"
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gdb_test "python print (cplusfunc.print_name)" "SimpleClass::valueofi().*" "test method.print_name"
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gdb_test "python print (cplusfunc.linkage_name)" "_ZN11SimpleClass8valueofiEv.*" "test method.linkage_name"
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gdb_test "python print (cplusfunc.addr_class == gdb.SYMBOL_LOC_BLOCK)" "True" "test method.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 ${binfile}
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if ![runto_main] then {
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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 for symbol validity" ".*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 non-validity"
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gdb_test_no_output "python a = None" "test symbol destructor"
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# Test gdb.Symbol domain categories
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gdb_test "python print (gdb.SYMBOL_UNDEF_DOMAIN)" \
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"0" "test gdb.SYMBOL_UNDEF_DOMAIN"
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gdb_test "python print (gdb.SYMBOL_VAR_DOMAIN)" \
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"1" "test gdb.SYMBOL_VAR_DOMAIN"
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gdb_test "python print (gdb.SYMBOL_STRUCT_DOMAIN)" \
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"2" "test gdb.SYMBOL_STRUCT_DOMAIN"
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gdb_test "python print (gdb.SYMBOL_MODULE_DOMAIN)" \
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"3" "test gdb.SYMBOL_MODULE_DOMAIN"
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gdb_test "python print (gdb.SYMBOL_LABEL_DOMAIN)" \
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"4" "test gdb.SYMBOL_LABEL_DOMAIN"
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gdb_test "python print (gdb.SYMBOL_COMMON_BLOCK_DOMAIN)" \
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"5" "test gdb.SYMBOL_COMMON_BLOCK_DOMAIN"
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# Test gdb.Symbol address class categories
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gdb_test "python print (gdb.SYMBOL_LOC_UNDEF)" \
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"0" "test gdb.SYMBOL_LOC_UNDEF"
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gdb_test "python print (gdb.SYMBOL_LOC_CONST)" \
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"1" "test gdb.SYMBOL_LOC_CONST"
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gdb_test "python print (gdb.SYMBOL_LOC_STATIC)" \
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"2" "test gdb.SYMBOL_LOC_STATIC"
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gdb_test "python print (gdb.SYMBOL_LOC_REGISTER)" \
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"3" "test gdb.SYMBOL_LOC_REGISTER"
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gdb_test "python print (gdb.SYMBOL_LOC_ARG)" \
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"4" "test gdb.SYMBOL_LOC_ARG"
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gdb_test "python print (gdb.SYMBOL_LOC_REF_ARG)" \
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"5" "test gdb.SYMBOL_LOC_REF_ARG"
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gdb_test "python print (gdb.SYMBOL_LOC_REGPARM_ADDR)" \
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"6" "test gdb.SYMBOL_LOC_REGPARM_ADDR"
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gdb_test "python print (gdb.SYMBOL_LOC_LOCAL)" \
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"7" "test gdb.SYMBOL_LOC_LOCAL"
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gdb_test "python print (gdb.SYMBOL_LOC_TYPEDEF)" \
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"8" "test gdb.SYMBOL_LOC_TYPEDEF"
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gdb_test "python print (gdb.SYMBOL_LOC_LABEL)" \
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"9" "test gdb.SYMBOL_LOC_LABEL"
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gdb_test "python print (gdb.SYMBOL_LOC_BLOCK)" \
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"10" "test gdb.SYMBOL_LOC_BLOCK"
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gdb_test "python print (gdb.SYMBOL_LOC_CONST_BYTES)" \
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"11" "test gdb.SYMBOL_LOC_CONST_BYTES"
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gdb_test "python print (gdb.SYMBOL_LOC_UNRESOLVED)" \
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"12" "test gdb.SYMBOL_LOC_UNRESOLVED"
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gdb_test "python print (gdb.SYMBOL_LOC_OPTIMIZED_OUT)" \
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"13" "test gdb.SYMBOL_LOC_OPTIMIZED_OUT"
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gdb_test "python print (gdb.SYMBOL_LOC_COMPUTED)" \
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"14" "test gdb.SYMBOL_LOC_COMPUTED"
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gdb_test "python print (gdb.SYMBOL_LOC_COMMON_BLOCK)" \
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"15" "test gdb.SYMBOL_LOC_COMMON_BLOCK"
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