| # Copyright (C) 2008-2020 Free Software Foundation, Inc. |
| |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 3 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| |
| # This file is part of the GDB testsuite. It tests the mechanism |
| # exposing values to Python. |
| |
| load_lib gdb-python.exp |
| |
| standard_testfile |
| |
| set has_argv0 [gdb_has_argv0] |
| |
| # Build inferior to language specification. |
| # LANG is one of "c" or "c++". |
| proc build_inferior {exefile lang} { |
| global srcdir subdir srcfile testfile hex |
| |
| # Use different names for .o files based on the language. |
| # For Fission, the debug info goes in foo.dwo and we don't want, |
| # for example, a C++ compile to clobber the dwo of a C compile. |
| # ref: http://gcc.gnu.org/wiki/DebugFission |
| switch ${lang} { |
| "c" { set filename ${testfile}.o } |
| "c++" { set filename ${testfile}-cxx.o } |
| } |
| set objfile [standard_output_file $filename] |
| |
| if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${objfile}" object "debug $lang"] != "" |
| || [gdb_compile "${objfile}" "${exefile}" executable "debug $lang"] != "" } { |
| untested "failed to compile in $lang mode" |
| return -1 |
| } |
| return 0 |
| } |
| |
| proc test_value_creation {} { |
| global gdb_prompt |
| global gdb_py_is_py3k |
| |
| gdb_py_test_silent_cmd "python i = gdb.Value (True)" "create boolean value" 1 |
| gdb_py_test_silent_cmd "python i = gdb.Value (5)" "create integer value" 1 |
| if { $gdb_py_is_py3k == 0 } { |
| gdb_py_test_silent_cmd "python i = gdb.Value (5L)" "create long value" 1 |
| } |
| |
| gdb_py_test_silent_cmd "python l = gdb.Value(0xffffffff12345678)" "create large unsigned 64-bit value" 1 |
| if { $gdb_py_is_py3k == 0 } { |
| gdb_test "python print long(l)" "18446744069720004216" "large unsigned 64-bit int conversion to python" |
| } else { |
| gdb_test "python print (int(l))" "18446744069720004216" "large unsigned 64-bit int conversion to python" |
| } |
| |
| gdb_py_test_silent_cmd "python f = gdb.Value (1.25)" "create double value" 1 |
| gdb_py_test_silent_cmd "python a = gdb.Value ('string test')" "create 8-bit string value" 1 |
| gdb_test "python print (a)" "\"string test\"" "print 8-bit string" |
| gdb_test "python print (a.__class__)" "<(type|class) 'gdb.Value'>" "verify type of 8-bit string" |
| |
| if { $gdb_py_is_py3k == 0 } { |
| gdb_py_test_silent_cmd "python a = gdb.Value (u'unicode test')" "create unicode value" 1 |
| gdb_test "python print (a)" "\"unicode test\"" "print Unicode string" |
| gdb_test "python print (a.__class__)" "<(type|class) 'gdb.Value'>" "verify type of unicode string" |
| } |
| |
| # Test address attribute is None in a non-addressable value |
| gdb_test "python print ('result = %s' % i.address)" "= None" "test address attribute in non-addressable value" |
| } |
| |
| proc test_value_numeric_ops {} { |
| global gdb_prompt |
| global gdb_py_is_py3k |
| |
| gdb_py_test_silent_cmd "python i = gdb.Value (5)" "create first integer value" 0 |
| gdb_py_test_silent_cmd "python j = gdb.Value (2)" "create second integer value" 0 |
| gdb_py_test_silent_cmd "python f = gdb.Value (1.25)" "create first double value" 0 |
| gdb_py_test_silent_cmd "python g = gdb.Value (2.5)" "create second double value" 0 |
| gdb_test "python print ('result = ' + str(i+j))" " = 7" "add two integer values" |
| gdb_test "python print ((i+j).__class__)" "<(type|class) 'gdb.Value'>" "verify type of integer add result" |
| |
| gdb_test "python print ('result = ' + str(f+g))" " = 3.75" "add two double values" |
| gdb_test "python print ('result = ' + str(i-j))" " = 3" "subtract two integer values" |
| gdb_test "python print ('result = ' + str(f-g))" " = -1.25" "subtract two double values" |
| gdb_test "python print ('result = ' + str(i*j))" " = 10" "multiply two integer values" |
| gdb_test "python print ('result = ' + str(f*g))" " = 3.125" "multiply two double values" |
| gdb_test "python print ('result = ' + str(i/j))" " = 2" "divide two integer values" |
| gdb_test "python print ('result = ' + str(f/g))" " = 0.5" "divide two double values" |
| gdb_test "python print ('result = ' + str(i%j))" " = 1" "take remainder of two integer values" |
| # Remainder of float is implemented in Python but not in GDB's value system. |
| |
| gdb_test "python print ('result = ' + str(i**j))" " = 25" "integer value raised to the power of another integer value" |
| gdb_test "python print ('result = ' + str(g**j))" " = 6.25" "double value raised to the power of integer value" |
| |
| gdb_test "python print ('result = ' + str(-i))" " = -5" "negated integer value" |
| gdb_test "python print ('result = ' + str(+i))" " = 5" "positive integer value" |
| gdb_test "python print ('result = ' + str(-f))" " = -1.25" "negated double value" |
| gdb_test "python print ('result = ' + str(+f))" " = 1.25" "positive double value" |
| gdb_test "python print ('result = ' + str(abs(j-i)))" " = 3" "absolute of integer value" |
| gdb_test "python print ('result = ' + str(abs(f-g)))" " = 1.25" "absolute of double value" |
| |
| # Test gdb.Value mixed with Python types. |
| |
| gdb_test "python print ('result = ' + str(i-1))" " = 4" "subtract integer value from python integer" |
| gdb_test "python print ((i-1).__class__)" "<(type|class) 'gdb.Value'>" "verify type of mixed integer subtraction result" |
| gdb_test "python print ('result = ' + str(f+1.5))" " = 2.75" "add double value with python float" |
| |
| gdb_test "python print ('result = ' + str(1-i))" " = -4" "subtract python integer from integer value" |
| gdb_test "python print ('result = ' + str(1.5+f))" " = 2.75" "add python float with double value" |
| |
| # Conversion test. |
| gdb_test "print evalue" " = TWO" |
| gdb_test_no_output "python evalue = gdb.history (0)" |
| gdb_test "python print (int (evalue))" "2" |
| |
| # Test pointer arithmethic |
| |
| # First, obtain the pointers |
| gdb_test "print (void *) 2" ".*" "" |
| gdb_test_no_output "python a = gdb.history (0)" "" |
| gdb_test "print (void *) 5" ".*" "" |
| gdb_test_no_output "python b = gdb.history (0)" "" |
| |
| gdb_test "python print(int(b))" "5" "convert pointer to int" |
| if {!$gdb_py_is_py3k} { |
| gdb_test "python print(long(b))" "5" "convert pointer to long" |
| } |
| |
| gdb_test "python print ('result = ' + str(a+5))" " = 0x7( <.*>)?" "add pointer value with python integer" |
| gdb_test "python print ('result = ' + str(b-2))" " = 0x3( <.*>)?" "subtract python integer from pointer value" |
| gdb_test "python print ('result = ' + str(b-a))" " = 3" "subtract two pointer values" |
| |
| gdb_test "python print ('result = ' + 'result'\[gdb.Value(0)\])" \ |
| "result = r" "use value as string index" |
| gdb_test "python print ('result = ' + str((1,2,3)\[gdb.Value(0)\]))" \ |
| "result = 1" "use value as tuple index" |
| if {!$gdb_py_is_py3k} { |
| gdb_test "python print ('result = ' + str(\[1,2,3\]\[gdb.Value(0)\]))" \ |
| "result = 1" "use value as array index" |
| } |
| |
| gdb_test "python print('%x' % int(gdb.parse_and_eval('-1ull')))" \ |
| "f+" "int conversion respect type sign" |
| if {!$gdb_py_is_py3k} { |
| gdb_test "python print('%x' % long(gdb.parse_and_eval('-1ull')))" \ |
| "f+" "long conversion respect type sign" |
| } |
| |
| # Test some invalid operations. |
| |
| gdb_test_multiple "python print ('result = ' + str(i+'foo'))" "catch error in python type conversion" { |
| -re "Argument to arithmetic operation not a number or boolean.*$gdb_prompt $" {pass "catch error in python type conversion"} |
| -re "result = .*$gdb_prompt $" {fail "catch error in python type conversion"} |
| -re "$gdb_prompt $" {fail "catch error in python type conversion"} |
| } |
| |
| gdb_test_multiple "python print ('result = ' + str(i+gdb.Value('foo')))" "catch throw of GDB error" { |
| -re "Traceback.*$gdb_prompt $" {pass "catch throw of GDB error"} |
| -re "result = .*$gdb_prompt $" {fail "catch throw of GDB error"} |
| -re "$gdb_prompt $" {fail "catch throw of GDB error"} |
| } |
| } |
| |
| proc test_value_boolean {} { |
| # First, define a useful function to test booleans. |
| gdb_py_test_multiple "define function to test booleans" \ |
| "python" "" \ |
| "def test_bool (val):" "" \ |
| " if val:" "" \ |
| " print ('yay')" "" \ |
| " else:" "" \ |
| " print ('nay')" "" \ |
| "end" "" |
| |
| gdb_test "py test_bool (gdb.Value (True))" "yay" "check evaluation of true boolean value in expression" |
| |
| gdb_test "py test_bool (gdb.Value (False))" "nay" "check evaluation of false boolean value in expression" |
| |
| gdb_test "py test_bool (gdb.Value (5))" "yay" "check evaluation of true integer value in expression" |
| |
| gdb_test "py test_bool (gdb.Value (0))" "nay" "check evaluation of false integer value in expression" |
| |
| gdb_test "py test_bool (gdb.Value (5.2))" "yay" "check evaluation of true float value in expression" |
| |
| gdb_test "py test_bool (gdb.Value (0.0))" "nay" "check evaluation of false float value in expression" |
| } |
| |
| proc test_value_compare {} { |
| gdb_test "py print (gdb.Value (1) < gdb.Value (1))" "False" "less than, equal" |
| gdb_test "py print (gdb.Value (1) < gdb.Value (2))" "True" "less than, less" |
| gdb_test "py print (gdb.Value (2) < gdb.Value (1))" "False" "less than, greater" |
| gdb_test "py print (gdb.Value (2) < None)" "False" "less than, None" |
| |
| gdb_test "py print (gdb.Value (1) <= gdb.Value (1))" "True" "less or equal, equal" |
| gdb_test "py print (gdb.Value (1) <= gdb.Value (2))" "True" "less or equal, less" |
| gdb_test "py print (gdb.Value (2) <= gdb.Value (1))" "False" "less or equal, greater" |
| gdb_test "py print (gdb.Value (2) <= None)" "False" "less or equal, None" |
| |
| gdb_test "py print (gdb.Value (1) == gdb.Value (1))" "True" "equality of gdb.Values" |
| gdb_test "py print (gdb.Value (1) == gdb.Value (2))" "False" "inequality of gdb.Values" |
| gdb_test "py print (gdb.Value (1) == 1.0)" "True" "equality of gdb.Value with Python value" |
| gdb_test "py print (gdb.Value (1) == 2)" "False" "inequality of gdb.Value with Python value" |
| gdb_test "py print (gdb.Value (1) == None)" "False" "inequality of gdb.Value with None" |
| |
| gdb_test "py print (gdb.Value (1) != gdb.Value (1))" "False" "inequality, false" |
| gdb_test "py print (gdb.Value (1) != gdb.Value (2))" "True" "inequality, true" |
| gdb_test "py print (gdb.Value (1) != None)" "True" "inequality, None" |
| |
| gdb_test "py print (gdb.Value (1) > gdb.Value (1))" "False" "greater than, equal" |
| gdb_test "py print (gdb.Value (1) > gdb.Value (2))" "False" "greater than, less" |
| gdb_test "py print (gdb.Value (2) > gdb.Value (1))" "True" "greater than, greater" |
| gdb_test "py print (gdb.Value (2) > None)" "True" "greater than, None" |
| |
| gdb_test "py print (gdb.Value (1) >= gdb.Value (1))" "True" "greater or equal, equal" |
| gdb_test "py print (gdb.Value (1) >= gdb.Value (2))" "False" "greater or equal, less" |
| gdb_test "py print (gdb.Value (2) >= gdb.Value (1))" "True" "greater or equal, greater" |
| gdb_test "py print (gdb.Value (2) >= None)" "True" "greater or equal, None" |
| } |
| |
| proc test_value_in_inferior {} { |
| global gdb_prompt |
| global testfile |
| global gdb_py_is_py3k |
| |
| gdb_breakpoint [gdb_get_line_number "break to inspect struct and union"] |
| gdb_continue_to_breakpoint "break to inspect struct and union" |
| |
| # Just get inferior variable s in the value history, available to python. |
| gdb_test "print s" " = {a = 3, b = 5}" "" |
| |
| gdb_py_test_silent_cmd "python s = gdb.history (0)" "get value s from history" 1 |
| |
| gdb_test "python print ('result = ' + str(s\['a'\]))" " = 3" "access element inside struct using 8-bit string name" |
| if { $gdb_py_is_py3k == 0 } { |
| gdb_test "python print ('result = ' + str(s\[u'a'\]))" " = 3" "access element inside struct using unicode name" |
| } |
| |
| # Test dereferencing the argv pointer |
| |
| # Just get inferior variable argv the value history, available to python. |
| gdb_test "print argv" " = \\(char \\*\\*\\) 0x.*" "" |
| |
| gdb_py_test_silent_cmd "python argv = gdb.history (0)" "" 0 |
| gdb_py_test_silent_cmd "python arg0 = argv.dereference ()" "dereference value" 1 |
| |
| # Check that the dereferenced value is sane |
| global has_argv0 |
| set test "verify dereferenced value" |
| if { $has_argv0 } { |
| gdb_test_no_output "set print elements unlimited" "" |
| gdb_test_no_output "set print repeats unlimited" "" |
| gdb_test "python print (arg0)" "0x.*$testfile\"" $test |
| } else { |
| unsupported $test |
| } |
| |
| # Smoke-test is_optimized_out attribute |
| gdb_test "python print ('result = %s' % arg0.is_optimized_out)" "= False" "test is_optimized_out attribute" |
| |
| # Test address attribute |
| gdb_test "python print ('result = %s' % arg0.address)" "= 0x\[\[:xdigit:\]\]+" "test address attribute" |
| |
| # Test displaying a variable that is temporarily at a bad address. |
| # But if we can examine what's at memory address 0, then we'll also be |
| # able to display it without error. Don't run the test in that case. |
| set can_read_0 [is_address_zero_readable] |
| |
| # Test memory error. |
| set test "parse_and_eval with memory error" |
| if {$can_read_0} { |
| untested $test |
| } else { |
| gdb_test "python print (gdb.parse_and_eval('*(int*)0'))" "gdb.MemoryError: Cannot access memory at address 0x0.*" $test |
| } |
| |
| # Test Python lazy value handling |
| set test "memory error and lazy values" |
| if {$can_read_0} { |
| untested $test |
| } else { |
| gdb_test "python inval = gdb.parse_and_eval('*(int*)0')" |
| gdb_test "python print (inval.is_lazy)" "True" |
| gdb_test "python inval2 = inval+1" \ |
| "gdb.MemoryError: Cannot access memory at address 0x0.*" \ |
| "$test, first test" |
| gdb_test "python inval.fetch_lazy ()" \ |
| "gdb.MemoryError: Cannot access memory at address 0x0.*" \ |
| "$test, second test" |
| } |
| set argc_value [get_integer_valueof "argc" 0] |
| gdb_test "python argc_lazy = gdb.parse_and_eval('argc')" |
| gdb_test "python argc_notlazy = gdb.parse_and_eval('argc')" |
| gdb_test "python argc_notlazy.fetch_lazy()" |
| gdb_test "python print (argc_lazy.is_lazy)" "True" \ |
| "python print (argc_lazy.is_lazy) the first time" |
| gdb_test "python print (argc_notlazy.is_lazy)" "False" |
| gdb_test "print argc" " = $argc_value" "sanity check argc" |
| gdb_test "python print (argc_lazy.is_lazy)" "\r\nTrue" \ |
| "python print (argc_lazy.is_lazy) the second time" |
| gdb_test_no_output "set argc=[expr $argc_value + 1]" "change argc" |
| gdb_test "python print (argc_notlazy)" "\r\n$argc_value" |
| gdb_test "python print (argc_lazy)" "\r\n[expr $argc_value + 1]" |
| gdb_test "python print (argc_lazy.is_lazy)" "False" |
| |
| # Test string fetches, both partial and whole. |
| gdb_test "print st" "\"divide et impera\"" |
| gdb_py_test_silent_cmd "python st = gdb.history (0)" "get value st from history" 1 |
| gdb_test "python print (st.string ())" "divide et impera" "Test string with no length" |
| gdb_test "python print (st.string (length = -1))" "divide et impera" "test string (length = -1) is all of the string" |
| gdb_test "python print (st.string (length = 6))" "divide" |
| gdb_test "python print (\"---\"+st.string (length = 0)+\"---\")" "------" "test string (length = 0) is empty" |
| gdb_test "python print (len(st.string (length = 0)))" "0" "test length is 0" |
| |
| # We choose Ada here to test a language where c_style_arrays is |
| # false. |
| gdb_test "set lang ada" \ |
| "Warning: the current language does not match this frame." |
| gdb_test "python print (st.string ())" "divide et impera" \ |
| "Test string with no length in ada" |
| gdb_test_no_output "set lang auto" |
| |
| # Fetch a string that has embedded nulls. |
| gdb_test "print nullst" "\"divide\\\\000et\\\\000impera\".*" |
| gdb_py_test_silent_cmd "python nullst = gdb.history (0)" "get value nullst from history" 1 |
| gdb_test "python print (nullst.string ())" "divide" "test string to first null" |
| # Python cannot print strings that contain the null (\0) character. |
| # For the purposes of this test, use repr() |
| gdb_py_test_silent_cmd "python nullst = nullst.string (length = 9)" "get string beyond null" 1 |
| gdb_test "python print (repr(nullst))" "u?'divide\\\\x00et'" |
| |
| # Test fetching a string longer than its declared (in C) size. |
| # PR 16286 |
| gdb_py_test_silent_cmd "python xstr = gdb.parse_and_eval('xstr')" "get xstr" 1 |
| gdb_test "python print(xstr\['text'\].string (length = xstr\['length'\]))" "x{100}" \ |
| "read string beyond declared size" |
| |
| # However it shouldn't be possible to fetch past the end of a |
| # non-memory value. |
| gdb_py_test_silent_cmd "python str = '\"str\"'" "set up str variable" 1 |
| gdb_test "python print (gdb.parse_and_eval (str).string (length = 10))" \ |
| "gdb.error: Attempt to take address of value not located in memory.\r\nError while executing Python code." |
| } |
| |
| proc test_inferior_function_call {} { |
| global gdb_prompt hex decimal |
| |
| # Correct inferior call without arguments. |
| gdb_test "p/x fp1" " = $hex.*" |
| gdb_py_test_silent_cmd "python fp1 = gdb.history (0)" "get value fp1 from history" 1 |
| gdb_test "python fp1 = fp1.dereference()" "" |
| gdb_test "python result = fp1()" "" |
| gdb_test "python print (result)" "void" |
| |
| # Correct inferior call with arguments. |
| gdb_test "p/x fp2" " = $hex.*" \ |
| "print fp2 to place it into history" |
| gdb_py_test_silent_cmd "python fp2 = gdb.history (0)" "get value fp2 from history" 1 |
| gdb_test "python fp2 = fp2.dereference()" "" |
| gdb_test "python result2 = fp2(10,20)" "" |
| gdb_test "python print (result2)" "30" |
| |
| # Incorrect to call an int value. |
| gdb_test "p i" " = $decimal.*" |
| gdb_py_test_silent_cmd "python i = gdb.history (0)" "get value i from history" 1 |
| gdb_test "python result3 = i()" ".*Value is not callable.*" |
| |
| # Incorrect number of arguments. |
| gdb_test "p/x fp2" " = $hex.*" \ |
| "print fp2 again to place it into history" |
| gdb_py_test_silent_cmd "python fp3 = gdb.history (0)" "get value fp3 from history" 1 |
| gdb_test "python fp3 = fp3.dereference()" "" |
| gdb_test "python result2 = fp3(10)" ".*Too few arguments in function call.*" |
| } |
| |
| # A few objfile tests. |
| proc test_objfiles {} { |
| gdb_test "python\nok=False\nfor file in gdb.objfiles():\n if 'py-value' in file.filename:\n ok=True\nprint (ok)\nend" "True" \ |
| "py-value in file.filename" |
| |
| gdb_test "python print (gdb.objfiles()\[0\].pretty_printers)" "\\\[\\\]" |
| |
| gdb_test "python gdb.objfiles()\[0\].pretty_printers = 0" \ |
| "pretty_printers attribute must be a list.*Error while executing Python code." |
| } |
| |
| proc test_value_after_death {} { |
| # Construct a type while the inferior is still running. |
| gdb_py_test_silent_cmd "python ptrtype = gdb.lookup_type('PTR')" \ |
| "create PTR type" 1 |
| |
| # Kill the inferior and remove the symbols. |
| gdb_test "kill" "" "kill the inferior" \ |
| "Kill the program being debugged. .y or n. $" \ |
| "y" |
| gdb_test "file" "" "discard the symbols" \ |
| "Discard symbol table from.*y or n. $" \ |
| "y" |
| |
| # Now create a value using that type. Relies on arg0, created by |
| # test_value_in_inferior. |
| gdb_py_test_silent_cmd "python castval = arg0.cast(ptrtype.pointer())" \ |
| "cast arg0 to PTR" 1 |
| |
| # Make sure the type is deleted. |
| gdb_py_test_silent_cmd "python ptrtype = None" \ |
| "delete PTR type" 1 |
| |
| # Now see if the value's type is still valid. |
| gdb_test "python print (castval.type)" "PTR ." \ |
| "print value's type" |
| } |
| |
| # Regression test for invalid subscript operations. The bug was that |
| # the type of the value was not being checked before allowing a |
| # subscript operation to proceed. |
| |
| proc test_subscript_regression {exefile lang} { |
| # Start with a fresh gdb. |
| clean_restart ${exefile} |
| |
| if ![runto_main ] then { |
| perror "couldn't run to breakpoint" |
| return |
| } |
| |
| if {$lang == "c++"} { |
| gdb_breakpoint [gdb_get_line_number "break to inspect pointer by reference"] |
| gdb_continue_to_breakpoint "break to inspect pointer by reference" |
| |
| gdb_py_test_silent_cmd "print rptr_int" \ |
| "Obtain address" 1 |
| gdb_py_test_silent_cmd "python rptr = gdb.history(0)" \ |
| "Obtains value from GDB" 1 |
| gdb_test "python print (rptr\[0\])" "2" "check pointer passed as reference" |
| |
| # Just the most basic test of dynamic_cast -- it is checked in |
| # the C++ tests. |
| gdb_test "python print (bool(gdb.parse_and_eval('base').dynamic_cast(gdb.lookup_type('Derived').pointer())))" \ |
| True |
| |
| # Likewise. |
| gdb_test "python print (gdb.parse_and_eval('base').dynamic_type)" \ |
| "Derived \[*\]" |
| gdb_test "python print (gdb.parse_and_eval('base_ref').dynamic_type)" \ |
| "Derived \[&\]" |
| # A static type case. |
| gdb_test "python print (gdb.parse_and_eval('5').dynamic_type)" \ |
| "int" |
| } |
| |
| gdb_breakpoint [gdb_get_line_number "break to inspect struct and union"] |
| gdb_continue_to_breakpoint \ |
| "break to inspect struct and union for subscript regression test" |
| |
| gdb_py_test_silent_cmd "python intv = gdb.Value(1)" \ |
| "Create value intv for subscript test" 1 |
| gdb_py_test_silent_cmd "python stringv = gdb.Value(\"foo\")" \ |
| "Create value stringv for subscript test" 1 |
| |
| # Try to access an int with a subscript. This should fail. |
| gdb_test "python print (intv)" "1" "baseline print of an int Python value" |
| gdb_test "python print (intv\[0\])" "gdb.error: Cannot subscript requested type.*" \ |
| "Attempt to access an integer with a subscript" |
| |
| # Try to access a string with a subscript. This should pass. |
| gdb_test "python print (stringv)" "foo." "baseline print of a string Python value" |
| gdb_test "python print (stringv\[0\])" "f." "attempt to access a string with a subscript" |
| |
| # Try to access an int array via a pointer with a subscript. This should pass. |
| gdb_py_test_silent_cmd "print p" "Build pointer to array" 1 |
| gdb_py_test_silent_cmd "python pointer = gdb.history(0)" "fetch pointer" 0 |
| gdb_test "python print (pointer\[0\])" "1" "access array via pointer with int subscript" |
| gdb_test "python print (pointer\[intv\])" "2" "access array via pointer with value subscript" |
| |
| # Try to access a single dimension array with a subscript to the |
| # result. This should fail. |
| gdb_test "python print (pointer\[intv\]\[0\])" "gdb.error: Cannot subscript requested type.*" \ |
| "Attempt to access a single dimension array with a two subscripts" |
| |
| # Lastly, test subscript access to an array with multiple |
| # dimensions. This should pass. |
| gdb_py_test_silent_cmd "print {\"fu \",\"foo\",\"bar\"}" "Build array" 1 |
| gdb_py_test_silent_cmd "python marray = gdb.history(0)" "fetch marray" 0 |
| gdb_test "python print (marray\[1\]\[2\])" "o." "test multiple subscript" |
| } |
| |
| # A few tests of gdb.parse_and_eval. |
| proc test_parse_and_eval {} { |
| gdb_test "python print (gdb.parse_and_eval ('23'))" "23" \ |
| "parse_and_eval constant test" |
| gdb_test "python print (gdb.parse_and_eval ('5 + 7'))" "12" \ |
| "parse_and_eval simple expression test" |
| gdb_test "python print (type(gdb.parse_and_eval ('5 + 7')))" \ |
| ".(type|class) 'gdb.Value'."\ |
| "parse_and_eval type test" |
| } |
| |
| # Test that values are hashable. |
| proc test_value_hash {} { |
| gdb_py_test_multiple "Simple Python value dictionary" \ |
| "python" "" \ |
| "one = gdb.Value(1)" "" \ |
| "two = gdb.Value(2)" "" \ |
| "three = gdb.Value(3)" "" \ |
| "vdict = {one:\"one str\",two:\"two str\",three:\"three str\"}" "" \ |
| "end" |
| gdb_test "python print (vdict\[one\])" "one str" "test dictionary hash for one" |
| gdb_test "python print (vdict\[two\])" "two str" "test dictionary hash for two" |
| gdb_test "python print (vdict\[three\])" "three str" "test dictionary hash for three" |
| gdb_test "python print (one.__hash__() == hash(one))" "True" "test inbuilt hash" |
| } |
| |
| proc test_float_conversion {} { |
| global gdb_py_is_py3k |
| gdb_test "python print(int(gdb.Value(0)))" "0" |
| gdb_test "python print(int(gdb.Value(2.5)))" "2" |
| if {!$gdb_py_is_py3k} { |
| gdb_test "python print(long(gdb.Value(0)))" "0" |
| gdb_test "python print(long(gdb.Value(2.5)))" "2" |
| } |
| gdb_test "python print(float(gdb.Value(2.5)))" "2\\.5" |
| gdb_test "python print(float(gdb.Value(0)))" "0\\.0" |
| } |
| |
| proc test_value_from_buffer {} { |
| global gdb_prompt |
| global gdb_py_is_py3k |
| |
| gdb_py_test_silent_cmd "python tp=gdb.lookup_type('int')" "look up int type" 0 |
| gdb_py_test_silent_cmd "python size_a=gdb.parse_and_eval('sizeof(a)')" \ |
| "find size of a" 0 |
| gdb_py_test_silent_cmd "python size_a0=gdb.parse_and_eval('sizeof(a\[0\])')" \ |
| "find size of element of a" 0 |
| gdb_py_test_silent_cmd "python addr=gdb.parse_and_eval('&a')" \ |
| "find address of a" 0 |
| gdb_py_test_silent_cmd "python b=gdb.selected_inferior().read_memory(addr,size_a)" \ |
| "read buffer from memory" 1 |
| gdb_test "python v=gdb.Value(b,tp); print(v)" "1" \ |
| "construct value from buffer" |
| gdb_test "python v=gdb.Value(b\[size_a0:\],tp); print(v)" "2" \ |
| "convert 2nd elem of buffer to value" |
| gdb_test "python v=gdb.Value(b\[2*size_a0:\],tp); print(v)" "3" \ |
| "convert 3rd elem of buffer to value" |
| gdb_test "python v=gdb.Value(b\[2*size_a0+1:\],tp); print(v)" \ |
| "ValueError: Size of type is larger than that of buffer object\..*" \ |
| "attempt to convert smaller buffer than size of type" |
| gdb_py_test_silent_cmd "python atp=tp.array(2) ; print(atp)" \ |
| "make array type" 0 |
| gdb_py_test_silent_cmd "python va=gdb.Value(b,atp)" \ |
| "construct array value from buffer" 0 |
| gdb_test "python print(va)" "\\{1, 2, 3\\}" "print array value" |
| gdb_test "python print(va\[0\])" "1" "print first array element" |
| gdb_test "python print(va\[1\])" "2" "print second array element" |
| gdb_test "python print(va\[2\])" "3" "print third array element" |
| gdb_test "python print(va\[3\])" "gdb\.error: no such vector element.*" \ |
| "print out of bounds array element" |
| gdb_py_test_silent_cmd "python atpbig=tp.array(3)" "make bigger array type" 0 |
| gdb_test "python vabig=gdb.Value(b,atpbig)" \ |
| "ValueError: Size of type is larger than that of buffer object\..*" \ |
| "attempt to construct large value with small buffer" |
| gdb_test "python v=gdb.Value(2048,tp)" \ |
| "TypeError: Object must support the python buffer protocol\..*" \ |
| "attempt to construct value from buffer with non-buffer object" |
| gdb_test "python v=gdb.Value(b,'int'); print(v)" \ |
| "TypeError: type argument must be a gdb\.Type\..*" \ |
| "attempt to construct value with string as type" |
| } |
| |
| # Build C version of executable. C++ is built later. |
| if { [build_inferior "${binfile}" "c"] < 0 } { |
| return -1 |
| } |
| |
| # Start with a fresh gdb. |
| clean_restart ${binfile} |
| |
| # Skip all tests if Python scripting is not enabled. |
| if { [skip_python_tests] } { continue } |
| |
| test_value_creation |
| test_value_numeric_ops |
| test_value_boolean |
| test_value_compare |
| test_objfiles |
| test_parse_and_eval |
| test_value_hash |
| test_float_conversion |
| |
| # The following tests require execution. |
| |
| if ![runto_main] then { |
| fail "can't run to main" |
| return 0 |
| } |
| |
| test_value_in_inferior |
| test_value_from_buffer |
| test_inferior_function_call |
| test_value_after_death |
| |
| # Test either C or C++ values. |
| |
| test_subscript_regression "${binfile}" "c" |
| |
| if ![skip_cplus_tests] { |
| if { [build_inferior "${binfile}-cxx" "c++"] < 0 } { |
| return -1 |
| } |
| with_test_prefix "c++" { |
| test_subscript_regression "${binfile}-cxx" "c++" |
| } |
| } |
