-# Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
+# Copyright (C) 2008-2016 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
# This file is part of the GDB testsuite. It tests the mechanism
# exposing values to Python.
-if $tracelevel then {
- strace $tracelevel
-}
+load_lib gdb-python.exp
-set testfile "py-value"
-set srcfile ${testfile}.c
-set binfile ${objdir}/${subdir}/${testfile}
-if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
- untested "Couldn't compile ${srcfile}"
- return -1
-}
+standard_testfile
-# Usage: gdb_py_test_multiple NAME INPUT RESULT {INPUT RESULT}...
-# Run a test named NAME, consisting of multiple lines of input.
-# After each input line INPUT, search for result line RESULT.
-# Succeed if all results are seen; fail otherwise.
-proc gdb_py_test_multiple {name args} {
- global gdb_prompt
- foreach {input result} $args {
- if {[gdb_test_multiple $input "$name - $input" {
- -re "\[\r\n\]*($result)\[\r\n\]+($gdb_prompt | *>)$" {
- pass "$name - $input"
- }
- }]} {
- return 1
- }
- }
- return 0
-}
+set has_argv0 [gdb_has_argv0]
-# Run a command in GDB, and report a failure if a Python exception is thrown.
-# If report_pass is true, report a pass if no exception is thrown.
-proc gdb_py_test_silent_cmd {cmd name report_pass} {
- global gdb_prompt
+# Build inferior to language specification.
+# LANG is one of "c" or "c++".
+proc build_inferior {exefile lang} {
+ global srcdir subdir srcfile testfile hex
- gdb_test_multiple $cmd $name {
- -re "Traceback.*$gdb_prompt $" { fail $name }
- -re "$gdb_prompt $" { if $report_pass { pass $name } }
+ # 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 "couldn't compile ${srcfile} 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
- gdb_py_test_silent_cmd "python i = gdb.Value (5L)" "create long 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 'gdb.Value'>" "verify type of 8-bit string"
- 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 'gdb.Value'>" "verify type of unicode string"
+ 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 =', i.address" "= None" "Test address attribute in non-addressable value"
+ gdb_test "python print ('result = %s' % i.address)" "= None" "Test address attribute in non-addressable value"
}
proc test_value_numeric_ops {} {
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 '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"
+ 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**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"
+ 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 '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(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"
+ 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 "python evalue = gdb.history (0)" ""
- gdb_test "python print int (evalue)" "2"
+ 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 "python a = gdb.history (0)" "" ""
- gdb_test "print (void *) 5" "" ""
- gdb_test "python b = gdb.history (0)" "" ""
-
- 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 "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 ('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"
+ gdb_test "python print ('result = ' + str(\[1,2,3\]\[gdb.Value(0)\]))" \
+ "result = 1" "use value as array index"
# Test some invalid operations.
- gdb_test_multiple "python print 'result = ' + str(i+'foo')" "catch error in python type conversion" {
+ 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 $" {fail "catch error in python type conversion"}
}
- gdb_test_multiple "python print 'result = ' + str(i+gdb.Value('foo'))" "catch throw of GDB error" {
+ gdb_test_multiple "python print ('result = ' + str(i+gdb.Value('foo')))" "catch throw of GDB error" {
-re "Traceback.*$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"}
"python" "" \
"def test_bool (val):" "" \
" if val:" "" \
- " print 'yay'" "" \
+ " print ('yay')" "" \
" else:" "" \
- " print 'nay'" "" \
+ " print ('nay')" "" \
"end" ""
gdb_test "py test_bool (gdb.Value (True))" "yay" "check evaluation of true boolean 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"
+ 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_py_test_silent_cmd "python s = gdb.history (0)" "get value from history" 1
- gdb_test "python print 'result = ' + str(s\['a'\])" " = 3" "access element inside struct using 8-bit string name"
- gdb_test "python print 'result = ' + str(s\[u'a'\])" " = 3" "access element inside struct using unicode name"
+ 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
gdb_py_test_silent_cmd "python arg0 = argv.dereference ()" "dereference value" 1
# Check that the dereferenced value is sane
- if { ! [target_info exists noargs] } {
- gdb_test "python print arg0" "0x.*$testfile\"" "verify dereferenced value"
+ 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 =', arg0.is_optimized_out" "= False" "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 =', arg0.address" "= 0x\[\[:xdigit:\]\]+" "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
+ gdb_test "python inval.fetch_lazy ()" "gdb.MemoryError: Cannot access memory at address 0x0.*" $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"
+ 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"
+ 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 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"
+ 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"
# 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 from history" 1
- gdb_test "python print nullst.string ()" "divide" "Test string to first null"
+ 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'"
+ 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"
}
proc test_lazy_strings {} {
gdb_py_test_silent_cmd "python sptr = gdb.history (0)" "Get value from history" 1
gdb_py_test_silent_cmd "python lstr = sptr.lazy_string()" "Aquire lazy string" 1
- gdb_test "python print lstr.type" "const char \*." "Test type name equality"
- gdb_test "python print sptr.type" "const char \*." "Test type name equality"
+ gdb_test "python print (lstr.type)" "const char \*." "Test lazy-string type name equality"
+ gdb_test "python print (sptr.type)" "const char \*." "Test string type name equality"
+
+ # Prevent symbol on address 0x0 being printed.
+ gdb_test_no_output "set print symbol off"
+ gdb_test "print sn" "0x0"
+
+ gdb_py_test_silent_cmd "python snptr = gdb.history (0)" "Get value from history" 1
+ gdb_test "python snstr = snptr.lazy_string(length=5)" ".*Cannot create a lazy string with address.*" "Test lazy string"
+ gdb_py_test_silent_cmd "python snstr = snptr.lazy_string(length=0)" "Succesfully create a lazy string" 1
+ gdb_test "python print (snstr.length)" "0" "Test lazy string length"
+ gdb_test "python print (snstr.address)" "0" "Test lazy string address"
}
+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 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.*"
+ gdb_py_test_silent_cmd "python fp2 = gdb.history (0)" "get value 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 from history" 1
+ gdb_test "python result3 = i()" ".*Value is not callable.*"
+
+ # Incorrect number of arguments.
+ gdb_test "p/x fp2" " = $hex.*"
+ gdb_py_test_silent_cmd "python fp3 = gdb.history (0)" "get value 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"
+ 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 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."
"delete PTR type" 1
# Now see if the value's type is still valid.
- gdb_test "python print castval.type" "PTR ." \
+ gdb_test "python print (castval.type)" "PTR ." \
"print value's type"
}
# the type of the value was not being checked before allowing a
# subscript operation to proceed.
-proc test_subscript_regression {lang} {
-
- global srcdir subdir srcfile binfile testfile hex
- if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable "debug $lang"] != "" } {
- untested "Couldn't compile ${srcfile} in $lang mode"
- return -1
- }
-
+proc test_subscript_regression {exefile lang} {
# Start with a fresh gdb.
- gdb_exit
- gdb_start
- gdb_reinitialize_dir $srcdir/$subdir
- gdb_load ${binfile}
+ clean_restart ${exefile}
if ![runto_main ] then {
perror "couldn't run to breakpoint"
"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"
+ 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"]
"Create a value for subscript test" 1
# Try to access an int with a subscript. This should fail.
- gdb_test "python print intv" "1" "Baseline print of a Python value"
- gdb_test "python print intv\[0\]" "RuntimeError: Cannot subscript requested type.*" \
+ 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 Python value"
- gdb_test "python print stringv\[0\]" "f." "Attempt to access a string with a subscript"
+ 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)" "" 1
- 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"
+ 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\[intv\]\[0\]" "RuntimeError: Cannot subscript requested type.*" \
+ gdb_test "python print (pointer\[intv\]\[0\])" "gdb.error: Cannot subscript requested type.*" \
"Attempt to access an integer with a subscript"
# 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)" "" 1
- gdb_test "python print marray\[1\]\[2\]" "o." "Test multiple subscript"
+ 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" \
+ 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" \
+ 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 'gdb.Value'."\
+ gdb_test "python print (type(gdb.parse_and_eval ('5 + 7')))" \
+ ".(type|class) 'gdb.Value'."\
"parse_and_eval type test"
}
-# Start with a fresh gdb.
+# 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"
+ gdb_test "python print (vdict\[two\])" "two str" "Test dictionary hash"
+ gdb_test "python print (vdict\[three\])" "three str" "Test dictionary hash"
+ gdb_test "python print (one.__hash__() == hash(one))" "True" "Test inbuilt hash"
+}
-gdb_exit
-gdb_start
-gdb_reinitialize_dir $srcdir/$subdir
-gdb_load ${binfile}
+# Build C version of executable. C++ is built later.
+if { [build_inferior "${binfile}" "c"] < 0 } {
+ return -1
+}
+
+# Start with a fresh gdb.
+clean_restart ${binfile}
# Skip all tests if Python scripting is not enabled.
if { [skip_python_tests] } { continue }
test_value_compare
test_objfiles
test_parse_and_eval
+test_value_hash
# The following tests require execution.
if ![runto_main] then {
- fail "Can't run to main"
+ fail "can't run to main"
return 0
}
test_value_in_inferior
+test_inferior_function_call
test_lazy_strings
test_value_after_death
-# The following test recompiles the binary to test either C or C++
-# values.
-test_subscript_regression "c++"
-test_subscript_regression "c"
+# Test either C or C++ values.
+
+test_subscript_regression "${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++"
+ }
+}
projects / deliverable / binutils-gdb.git / blobdiff