Fixup gdb.python/py-value.exp for bare-metal aarch64-elf
[deliverable/binutils-gdb.git] / gdb / testsuite / gdb.python / py-value.exp
CommitLineData
618f726f 1# Copyright (C) 2008-2016 Free Software Foundation, Inc.
a08702d6
TJB
2
3# This program is free software; you can redistribute it and/or modify
4# it under the terms of the GNU General Public License as published by
5# the Free Software Foundation; either version 3 of the License, or
6# (at your option) any later version.
7#
8# This program is distributed in the hope that it will be useful,
9# but WITHOUT ANY WARRANTY; without even the implied warranty of
10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11# GNU General Public License for more details.
12#
13# You should have received a copy of the GNU General Public License
14# along with this program. If not, see <http://www.gnu.org/licenses/>.
15
16# This file is part of the GDB testsuite. It tests the mechanism
17# exposing values to Python.
18
a2c09bd0
DE
19load_lib gdb-python.exp
20
b4a58790 21standard_testfile
db8e4570 22
673dc4a0
YQ
23set has_argv0 [gdb_has_argv0]
24
db8e4570 25# Build inferior to language specification.
ac52f9a2 26# LANG is one of "c" or "c++".
db8e4570
UW
27proc build_inferior {exefile lang} {
28 global srcdir subdir srcfile testfile hex
29
ac52f9a2
DE
30 # Use different names for .o files based on the language.
31 # For Fission, the debug info goes in foo.dwo and we don't want,
32 # for example, a C++ compile to clobber the dwo of a C compile.
33 # ref: http://gcc.gnu.org/wiki/DebugFission
34 switch ${lang} {
35 "c" { set filename ${testfile}.o }
36 "c++" { set filename ${testfile}-cxx.o }
37 }
38 set objfile [standard_output_file $filename]
39
40 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${objfile}" object "debug $lang"] != ""
41 || [gdb_compile "${objfile}" "${exefile}" executable "debug $lang"] != "" } {
db8e4570
UW
42 untested "Couldn't compile ${srcfile} in $lang mode"
43 return -1
44 }
ac52f9a2 45 return 0
a08702d6
TJB
46}
47
a08702d6
TJB
48proc test_value_creation {} {
49 global gdb_prompt
9325cb04 50 global gdb_py_is_py3k
a08702d6
TJB
51
52 gdb_py_test_silent_cmd "python i = gdb.Value (True)" "create boolean value" 1
53 gdb_py_test_silent_cmd "python i = gdb.Value (5)" "create integer value" 1
9325cb04
PK
54 if { $gdb_py_is_py3k == 0 } {
55 gdb_py_test_silent_cmd "python i = gdb.Value (5L)" "create long value" 1
56 }
33fa2c6e
DE
57
58 gdb_py_test_silent_cmd "python l = gdb.Value(0xffffffff12345678)" "create large unsigned 64-bit value" 1
59 gdb_test "python print long(l)" "18446744069720004216" "large unsigned 64-bit int conversion to python"
60
a08702d6
TJB
61 gdb_py_test_silent_cmd "python f = gdb.Value (1.25)" "create double value" 1
62 gdb_py_test_silent_cmd "python a = gdb.Value ('string test')" "create 8-bit string value" 1
9325cb04
PK
63 gdb_test "python print (a)" "\"string test\"" "print 8-bit string"
64 gdb_test "python print (a.__class__)" "<(type|class) 'gdb.Value'>" "verify type of 8-bit string"
33fa2c6e 65
9325cb04
PK
66 if { $gdb_py_is_py3k == 0 } {
67 gdb_py_test_silent_cmd "python a = gdb.Value (u'unicode test')" "create unicode value" 1
68 gdb_test "python print (a)" "\"unicode test\"" "print Unicode string"
69 gdb_test "python print (a.__class__)" "<(type|class) 'gdb.Value'>" "verify type of unicode string"
70 }
c0c6f777
TJB
71
72 # Test address attribute is None in a non-addressable value
9325cb04 73 gdb_test "python print ('result = %s' % i.address)" "= None" "Test address attribute in non-addressable value"
a08702d6
TJB
74}
75
76proc test_value_numeric_ops {} {
77 global gdb_prompt
78
79 gdb_py_test_silent_cmd "python i = gdb.Value (5)" "create first integer value" 0
80 gdb_py_test_silent_cmd "python j = gdb.Value (2)" "create second integer value" 0
81 gdb_py_test_silent_cmd "python f = gdb.Value (1.25)" "create first double value" 0
82 gdb_py_test_silent_cmd "python g = gdb.Value (2.5)" "create second double value" 0
9325cb04
PK
83 gdb_test "python print ('result = ' + str(i+j))" " = 7" "add two integer values"
84 gdb_test "python print ((i+j).__class__)" "<(type|class) 'gdb.Value'>" "verify type of integer add result"
85
86 gdb_test "python print ('result = ' + str(f+g))" " = 3.75" "add two double values"
87 gdb_test "python print ('result = ' + str(i-j))" " = 3" "subtract two integer values"
88 gdb_test "python print ('result = ' + str(f-g))" " = -1.25" "subtract two double values"
89 gdb_test "python print ('result = ' + str(i*j))" " = 10" "multiply two integer values"
90 gdb_test "python print ('result = ' + str(f*g))" " = 3.125" "multiply two double values"
91 gdb_test "python print ('result = ' + str(i/j))" " = 2" "divide two integer values"
92 gdb_test "python print ('result = ' + str(f/g))" " = 0.5" "divide two double values"
93 gdb_test "python print ('result = ' + str(i%j))" " = 1" "take remainder of two integer values"
a08702d6
TJB
94 # Remainder of float is implemented in Python but not in GDB's value system.
95
9325cb04
PK
96 gdb_test "python print ('result = ' + str(i**j))" " = 25" "integer value raised to the power of another integer value"
97 gdb_test "python print ('result = ' + str(g**j))" " = 6.25" "double value raised to the power of integer value"
a08702d6 98
9325cb04
PK
99 gdb_test "python print ('result = ' + str(-i))" " = -5" "negated integer value"
100 gdb_test "python print ('result = ' + str(+i))" " = 5" "positive integer value"
101 gdb_test "python print ('result = ' + str(-f))" " = -1.25" "negated double value"
102 gdb_test "python print ('result = ' + str(+f))" " = 1.25" "positive double value"
103 gdb_test "python print ('result = ' + str(abs(j-i)))" " = 3" "absolute of integer value"
104 gdb_test "python print ('result = ' + str(abs(f-g)))" " = 1.25" "absolute of double value"
a08702d6
TJB
105
106 # Test gdb.Value mixed with Python types.
107
9325cb04
PK
108 gdb_test "python print ('result = ' + str(i-1))" " = 4" "subtract integer value from python integer"
109 gdb_test "python print ((i-1).__class__)" "<(type|class) 'gdb.Value'>" "verify type of mixed integer subtraction result"
110 gdb_test "python print ('result = ' + str(f+1.5))" " = 2.75" "add double value with python float"
a08702d6 111
9325cb04
PK
112 gdb_test "python print ('result = ' + str(1-i))" " = -4" "subtract python integer from integer value"
113 gdb_test "python print ('result = ' + str(1.5+f))" " = 2.75" "add python float with double value"
a08702d6 114
08c637de
TJB
115 # Conversion test.
116 gdb_test "print evalue" " = TWO"
89493308 117 gdb_test_no_output "python evalue = gdb.history (0)"
9325cb04 118 gdb_test "python print (int (evalue))" "2"
08c637de 119
a08702d6
TJB
120 # Test pointer arithmethic
121
122 # First, obtain the pointers
de7ff789 123 gdb_test "print (void *) 2" ".*" ""
35ec993f 124 gdb_test_no_output "python a = gdb.history (0)" ""
de7ff789 125 gdb_test "print (void *) 5" ".*" ""
35ec993f 126 gdb_test_no_output "python b = gdb.history (0)" ""
a08702d6 127
9325cb04
PK
128 gdb_test "python print ('result = ' + str(a+5))" " = 0x7( <.*>)?" "add pointer value with python integer"
129 gdb_test "python print ('result = ' + str(b-2))" " = 0x3( <.*>)?" "subtract python integer from pointer value"
130 gdb_test "python print ('result = ' + str(b-a))" " = 3" "subtract two pointer values"
a08702d6 131
ddae9462
TT
132 gdb_test "python print ('result = ' + 'result'\[gdb.Value(0)\])" \
133 "result = r" "use value as string index"
134 gdb_test "python print ('result = ' + str((1,2,3)\[gdb.Value(0)\]))" \
135 "result = 1" "use value as tuple index"
136 gdb_test "python print ('result = ' + str(\[1,2,3\]\[gdb.Value(0)\]))" \
137 "result = 1" "use value as array index"
138
a08702d6
TJB
139 # Test some invalid operations.
140
9325cb04 141 gdb_test_multiple "python print ('result = ' + str(i+'foo'))" "catch error in python type conversion" {
a08702d6
TJB
142 -re "Argument to arithmetic operation not a number or boolean.*$gdb_prompt $" {pass "catch error in python type conversion"}
143 -re "result = .*$gdb_prompt $" {fail "catch error in python type conversion"}
144 -re "$gdb_prompt $" {fail "catch error in python type conversion"}
145 }
146
9325cb04 147 gdb_test_multiple "python print ('result = ' + str(i+gdb.Value('foo')))" "catch throw of GDB error" {
a08702d6
TJB
148 -re "Traceback.*$gdb_prompt $" {pass "catch throw of GDB error"}
149 -re "result = .*$gdb_prompt $" {fail "catch throw of GDB error"}
150 -re "$gdb_prompt $" {fail "catch throw of GDB error"}
151 }
152}
153
154proc test_value_boolean {} {
155 # First, define a useful function to test booleans.
156 gdb_py_test_multiple "define function to test booleans" \
157 "python" "" \
158 "def test_bool (val):" "" \
159 " if val:" "" \
9325cb04 160 " print ('yay')" "" \
a08702d6 161 " else:" "" \
9325cb04 162 " print ('nay')" "" \
a08702d6
TJB
163 "end" ""
164
165 gdb_test "py test_bool (gdb.Value (True))" "yay" "check evaluation of true boolean value in expression"
166
167 gdb_test "py test_bool (gdb.Value (False))" "nay" "check evaluation of false boolean value in expression"
168
169 gdb_test "py test_bool (gdb.Value (5))" "yay" "check evaluation of true integer value in expression"
170
171 gdb_test "py test_bool (gdb.Value (0))" "nay" "check evaluation of false integer value in expression"
172
173 gdb_test "py test_bool (gdb.Value (5.2))" "yay" "check evaluation of true integer value in expression"
174
175 gdb_test "py test_bool (gdb.Value (0.0))" "nay" "check evaluation of false integer value in expression"
176}
177
178proc test_value_compare {} {
9325cb04
PK
179 gdb_test "py print (gdb.Value (1) < gdb.Value (1))" "False" "less than, equal"
180 gdb_test "py print (gdb.Value (1) < gdb.Value (2))" "True" "less than, less"
181 gdb_test "py print (gdb.Value (2) < gdb.Value (1))" "False" "less than, greater"
182 gdb_test "py print (gdb.Value (2) < None)" "False" "less than, None"
183
184 gdb_test "py print (gdb.Value (1) <= gdb.Value (1))" "True" "less or equal, equal"
185 gdb_test "py print (gdb.Value (1) <= gdb.Value (2))" "True" "less or equal, less"
186 gdb_test "py print (gdb.Value (2) <= gdb.Value (1))" "False" "less or equal, greater"
187 gdb_test "py print (gdb.Value (2) <= None)" "False" "less or equal, None"
188
189 gdb_test "py print (gdb.Value (1) == gdb.Value (1))" "True" "equality of gdb.Values"
190 gdb_test "py print (gdb.Value (1) == gdb.Value (2))" "False" "inequality of gdb.Values"
191 gdb_test "py print (gdb.Value (1) == 1.0)" "True" "equality of gdb.Value with Python value"
192 gdb_test "py print (gdb.Value (1) == 2)" "False" "inequality of gdb.Value with Python value"
193 gdb_test "py print (gdb.Value (1) == None)" "False" "inequality of gdb.Value with None"
194
195 gdb_test "py print (gdb.Value (1) != gdb.Value (1))" "False" "inequality, false"
196 gdb_test "py print (gdb.Value (1) != gdb.Value (2))" "True" "inequality, true"
197 gdb_test "py print (gdb.Value (1) != None)" "True" "inequality, None"
198
199 gdb_test "py print (gdb.Value (1) > gdb.Value (1))" "False" "greater than, equal"
200 gdb_test "py print (gdb.Value (1) > gdb.Value (2))" "False" "greater than, less"
201 gdb_test "py print (gdb.Value (2) > gdb.Value (1))" "True" "greater than, greater"
202 gdb_test "py print (gdb.Value (2) > None)" "True" "greater than, None"
203
204 gdb_test "py print (gdb.Value (1) >= gdb.Value (1))" "True" "greater or equal, equal"
205 gdb_test "py print (gdb.Value (1) >= gdb.Value (2))" "False" "greater or equal, less"
206 gdb_test "py print (gdb.Value (2) >= gdb.Value (1))" "True" "greater or equal, greater"
207 gdb_test "py print (gdb.Value (2) >= None)" "True" "greater or equal, None"
a08702d6
TJB
208}
209
210proc test_value_in_inferior {} {
211 global gdb_prompt
212 global testfile
9325cb04 213 global gdb_py_is_py3k
a08702d6
TJB
214
215 gdb_breakpoint [gdb_get_line_number "break to inspect struct and union"]
a08702d6
TJB
216
217 gdb_continue_to_breakpoint "break to inspect struct and union"
218
219 # Just get inferior variable s in the value history, available to python.
220 gdb_test "print s" " = {a = 3, b = 5}" ""
221
08c637de 222 gdb_py_test_silent_cmd "python s = gdb.history (0)" "get value from history" 1
a08702d6 223
9325cb04
PK
224 gdb_test "python print ('result = ' + str(s\['a'\]))" " = 3" "access element inside struct using 8-bit string name"
225 if { $gdb_py_is_py3k == 0 } {
226 gdb_test "python print ('result = ' + str(s\[u'a'\]))" " = 3" "access element inside struct using unicode name"
227 }
a08702d6
TJB
228
229 # Test dereferencing the argv pointer
230
231 # Just get inferior variable argv the value history, available to python.
232 gdb_test "print argv" " = \\(char \\*\\*\\) 0x.*" ""
233
08c637de 234 gdb_py_test_silent_cmd "python argv = gdb.history (0)" "" 0
a08702d6
TJB
235 gdb_py_test_silent_cmd "python arg0 = argv.dereference ()" "dereference value" 1
236
237 # Check that the dereferenced value is sane
673dc4a0
YQ
238 global has_argv0
239 set test "verify dereferenced value"
240 if { $has_argv0 } {
c0ecb95f
JK
241 gdb_test_no_output "set print elements unlimited" ""
242 gdb_test_no_output "set print repeats unlimited" ""
673dc4a0
YQ
243 gdb_test "python print (arg0)" "0x.*$testfile\"" $test
244 } else {
245 unsupported $test
70362913 246 }
def2b000
TJB
247
248 # Smoke-test is_optimized_out attribute
9325cb04 249 gdb_test "python print ('result = %s' % arg0.is_optimized_out)" "= False" "Test is_optimized_out attribute"
c0c6f777
TJB
250
251 # Test address attribute
9325cb04 252 gdb_test "python print ('result = %s' % arg0.address)" "= 0x\[\[:xdigit:\]\]+" "Test address attribute"
fbb8f299 253
46f886f1
JK
254 # Test displaying a variable that is temporarily at a bad address.
255 # But if we can examine what's at memory address 0, then we'll also be
256 # able to display it without error. Don't run the test in that case.
20c6f1e1 257 set can_read_0 [is_address_zero_readable]
46f886f1 258
621c8364 259 # Test memory error.
46f886f1
JK
260 set test "parse_and_eval with memory error"
261 if {$can_read_0} {
262 untested $test
263 } else {
9325cb04 264 gdb_test "python print (gdb.parse_and_eval('*(int*)0'))" "gdb.MemoryError: Cannot access memory at address 0x0.*" $test
46f886f1 265 }
621c8364 266
54d8a644
PK
267 # Test Python lazy value handling
268 set test "memory error and lazy values"
aa2071bd
PK
269 if {$can_read_0} {
270 untested $test
271 } else {
54d8a644 272 gdb_test "python inval = gdb.parse_and_eval('*(int*)0')"
9325cb04 273 gdb_test "python print (inval.is_lazy)" "True"
54d8a644
PK
274 gdb_test "python inval2 = inval+1" "gdb.MemoryError: Cannot access memory at address 0x0.*" $test
275 gdb_test "python inval.fetch_lazy ()" "gdb.MemoryError: Cannot access memory at address 0x0.*" $test
aa2071bd 276 }
4dac951e 277 set argc_value [get_integer_valueof "argc" 0]
aa2071bd 278 gdb_test "python argc_lazy = gdb.parse_and_eval('argc')"
54d8a644
PK
279 gdb_test "python argc_notlazy = gdb.parse_and_eval('argc')"
280 gdb_test "python argc_notlazy.fetch_lazy()"
9325cb04
PK
281 gdb_test "python print (argc_lazy.is_lazy)" "True"
282 gdb_test "python print (argc_notlazy.is_lazy)" "False"
4dac951e 283 gdb_test "print argc" " = $argc_value" "sanity check argc"
9325cb04 284 gdb_test "python print (argc_lazy.is_lazy)" "\r\nTrue"
4dac951e
LM
285 gdb_test_no_output "set argc=[expr $argc_value + 1]" "change argc"
286 gdb_test "python print (argc_notlazy)" "\r\n$argc_value"
287 gdb_test "python print (argc_lazy)" "\r\n[expr $argc_value + 1]"
9325cb04 288 gdb_test "python print (argc_lazy.is_lazy)" "False"
aa2071bd 289
fbb8f299
PM
290 # Test string fetches, both partial and whole.
291 gdb_test "print st" "\"divide et impera\""
292 gdb_py_test_silent_cmd "python st = gdb.history (0)" "get value from history" 1
9325cb04
PK
293 gdb_test "python print (st.string ())" "divide et impera" "Test string with no length"
294 gdb_test "python print (st.string (length = -1))" "divide et impera" "Test string (length = -1) is all of the string"
295 gdb_test "python print (st.string (length = 6))" "divide"
296 gdb_test "python print (\"---\"+st.string (length = 0)+\"---\")" "------" "Test string (length = 0) is empty"
297 gdb_test "python print (len(st.string (length = 0)))" "0" "Test length is 0"
fbb8f299
PM
298
299
300 # Fetch a string that has embedded nulls.
301 gdb_test "print nullst" "\"divide\\\\000et\\\\000impera\".*"
302 gdb_py_test_silent_cmd "python nullst = gdb.history (0)" "get value from history" 1
9325cb04 303 gdb_test "python print (nullst.string ())" "divide" "Test string to first null"
fbb8f299
PM
304 # Python cannot print strings that contain the null (\0) character.
305 # For the purposes of this test, use repr()
306 gdb_py_test_silent_cmd "python nullst = nullst.string (length = 9)" "get string beyond null" 1
9325cb04 307 gdb_test "python print (repr(nullst))" "u?'divide\\\\x00et'"
0987cf35
DE
308
309 # Test fetching a string longer than its declared (in C) size.
310 # PR 16286
311 gdb_py_test_silent_cmd "python xstr = gdb.parse_and_eval('xstr')" "get xstr" 1
d7fc3181 312 gdb_test "python print(xstr\['text'\].string (length = xstr\['length'\]))" "x{100}" \
0987cf35 313 "read string beyond declared size"
a08702d6
TJB
314}
315
be759fcf
PM
316proc test_lazy_strings {} {
317
318 global hex
319
320 gdb_test "print sptr" "\"pointer\""
321 gdb_py_test_silent_cmd "python sptr = gdb.history (0)" "Get value from history" 1
322
323 gdb_py_test_silent_cmd "python lstr = sptr.lazy_string()" "Aquire lazy string" 1
35720eaa
DE
324 gdb_test "python print (lstr.type)" "const char \*." "Test lazy-string type name equality"
325 gdb_test "python print (sptr.type)" "const char \*." "Test string type name equality"
3881fb67
YQ
326
327 # Prevent symbol on address 0x0 being printed.
328 gdb_test_no_output "set print symbol off"
fff5cc64 329 gdb_test "print sn" "0x0"
3881fb67 330
fff5cc64
PM
331 gdb_py_test_silent_cmd "python snptr = gdb.history (0)" "Get value from history" 1
332 gdb_test "python snstr = snptr.lazy_string(length=5)" ".*Cannot create a lazy string with address.*" "Test lazy string"
333 gdb_py_test_silent_cmd "python snstr = snptr.lazy_string(length=0)" "Succesfully create a lazy string" 1
9325cb04
PK
334 gdb_test "python print (snstr.length)" "0" "Test lazy string length"
335 gdb_test "python print (snstr.address)" "0" "Test lazy string address"
be759fcf
PM
336}
337
338
5374244e
PM
339proc test_inferior_function_call {} {
340 global gdb_prompt hex decimal
341
342 # Correct inferior call without arguments.
343 gdb_test "p/x fp1" " = $hex.*"
344 gdb_py_test_silent_cmd "python fp1 = gdb.history (0)" "get value from history" 1
345 gdb_test "python fp1 = fp1.dereference()" ""
346 gdb_test "python result = fp1()" ""
9325cb04 347 gdb_test "python print (result)" "void"
5374244e
PM
348
349 # Correct inferior call with arguments.
350 gdb_test "p/x fp2" " = $hex.*"
351 gdb_py_test_silent_cmd "python fp2 = gdb.history (0)" "get value from history" 1
352 gdb_test "python fp2 = fp2.dereference()" ""
353 gdb_test "python result2 = fp2(10,20)" ""
9325cb04 354 gdb_test "python print (result2)" "30"
5374244e
PM
355
356 # Incorrect to call an int value.
357 gdb_test "p i" " = $decimal.*"
358 gdb_py_test_silent_cmd "python i = gdb.history (0)" "get value from history" 1
359 gdb_test "python result3 = i()" ".*Value is not callable.*"
360
361 # Incorrect number of arguments.
362 gdb_test "p/x fp2" " = $hex.*"
363 gdb_py_test_silent_cmd "python fp3 = gdb.history (0)" "get value from history" 1
364 gdb_test "python fp3 = fp3.dereference()" ""
365 gdb_test "python result2 = fp3(10)" ".*Too few arguments in function call.*"
366}
367
89c73ade
TT
368# A few objfile tests.
369proc test_objfiles {} {
9325cb04 370 gdb_test "python\nok=False\nfor file in gdb.objfiles():\n if 'py-value' in file.filename:\n ok=True\nprint (ok)\nend" "True" \
90556b8c 371 "py-value in file.filename"
89c73ade 372
9325cb04 373 gdb_test "python print (gdb.objfiles()\[0\].pretty_printers)" "\\\[\\\]"
89c73ade
TT
374
375 gdb_test "python gdb.objfiles()\[0\].pretty_printers = 0" \
376 "pretty_printers attribute must be a list.*Error while executing Python code."
377}
a08702d6 378
2c74e833
TT
379proc test_value_after_death {} {
380 # Construct a type while the inferior is still running.
381 gdb_py_test_silent_cmd "python ptrtype = gdb.lookup_type('PTR')" \
382 "create PTR type" 1
383
384 # Kill the inferior and remove the symbols.
385 gdb_test "kill" "" "kill the inferior" \
386 "Kill the program being debugged. .y or n. $" \
387 "y"
388 gdb_test "file" "" "Discard the symbols" \
389 "Discard symbol table from.*y or n. $" \
390 "y"
391
392 # Now create a value using that type. Relies on arg0, created by
393 # test_value_in_inferior.
394 gdb_py_test_silent_cmd "python castval = arg0.cast(ptrtype.pointer())" \
395 "cast arg0 to PTR" 1
396
397 # Make sure the type is deleted.
398 gdb_py_test_silent_cmd "python ptrtype = None" \
399 "delete PTR type" 1
400
401 # Now see if the value's type is still valid.
9325cb04 402 gdb_test "python print (castval.type)" "PTR ." \
2c74e833
TT
403 "print value's type"
404}
405
2e4d963f
PM
406# Regression test for invalid subscript operations. The bug was that
407# the type of the value was not being checked before allowing a
408# subscript operation to proceed.
409
db8e4570 410proc test_subscript_regression {exefile lang} {
2e4d963f 411 # Start with a fresh gdb.
d54b30bb 412 clean_restart ${exefile}
2e4d963f
PM
413
414 if ![runto_main ] then {
415 perror "couldn't run to breakpoint"
416 return
417 }
418
419 if {$lang == "c++"} {
420 gdb_breakpoint [gdb_get_line_number "break to inspect pointer by reference"]
421 gdb_continue_to_breakpoint "break to inspect pointer by reference"
422
423 gdb_py_test_silent_cmd "print rptr_int" \
424 "Obtain address" 1
425 gdb_py_test_silent_cmd "python rptr = gdb.history(0)" \
426 "Obtains value from GDB" 1
9325cb04 427 gdb_test "python print (rptr\[0\])" "2" "Check pointer passed as reference"
f9ffd4bb
TT
428
429 # Just the most basic test of dynamic_cast -- it is checked in
430 # the C++ tests.
9325cb04 431 gdb_test "python print (bool(gdb.parse_and_eval('base').dynamic_cast(gdb.lookup_type('Derived').pointer())))" \
f9ffd4bb 432 True
03f17ccf
TT
433
434 # Likewise.
9325cb04 435 gdb_test "python print (gdb.parse_and_eval('base').dynamic_type)" \
03f17ccf 436 "Derived \[*\]"
7af389b8
SC
437 gdb_test "python print (gdb.parse_and_eval('base_ref').dynamic_type)" \
438 "Derived \[&\]"
03f17ccf 439 # A static type case.
9325cb04 440 gdb_test "python print (gdb.parse_and_eval('5').dynamic_type)" \
03f17ccf 441 "int"
2e4d963f
PM
442 }
443
444 gdb_breakpoint [gdb_get_line_number "break to inspect struct and union"]
445 gdb_continue_to_breakpoint "break to inspect struct and union"
446
447 gdb_py_test_silent_cmd "python intv = gdb.Value(1)" \
448 "Create a value for subscript test" 1
449 gdb_py_test_silent_cmd "python stringv = gdb.Value(\"foo\")" \
450 "Create a value for subscript test" 1
451
452 # Try to access an int with a subscript. This should fail.
35720eaa 453 gdb_test "python print (intv)" "1" "Baseline print of an int Python value"
9325cb04 454 gdb_test "python print (intv\[0\])" "gdb.error: Cannot subscript requested type.*" \
2e4d963f
PM
455 "Attempt to access an integer with a subscript"
456
457 # Try to access a string with a subscript. This should pass.
35720eaa 458 gdb_test "python print (stringv)" "foo." "Baseline print of a string Python value"
9325cb04 459 gdb_test "python print (stringv\[0\])" "f." "Attempt to access a string with a subscript"
2e4d963f
PM
460
461 # Try to access an int array via a pointer with a subscript. This should pass.
462 gdb_py_test_silent_cmd "print p" "Build pointer to array" 1
463 gdb_py_test_silent_cmd "python pointer = gdb.history(0)" "" 1
9325cb04
PK
464 gdb_test "python print (pointer\[0\])" "1" "Access array via pointer with int subscript"
465 gdb_test "python print (pointer\[intv\])" "2" "Access array via pointer with value subscript"
2e4d963f
PM
466
467 # Try to access a single dimension array with a subscript to the
468 # result. This should fail.
9325cb04 469 gdb_test "python print (pointer\[intv\]\[0\])" "gdb.error: Cannot subscript requested type.*" \
2e4d963f
PM
470 "Attempt to access an integer with a subscript"
471
472 # Lastly, test subscript access to an array with multiple
473 # dimensions. This should pass.
474 gdb_py_test_silent_cmd "print {\"fu \",\"foo\",\"bar\"}" "Build array" 1
475 gdb_py_test_silent_cmd "python marray = gdb.history(0)" "" 1
9325cb04 476 gdb_test "python print (marray\[1\]\[2\])" "o." "Test multiple subscript"
2e4d963f
PM
477}
478
57a1d736
TT
479# A few tests of gdb.parse_and_eval.
480proc test_parse_and_eval {} {
9325cb04 481 gdb_test "python print (gdb.parse_and_eval ('23'))" "23" \
57a1d736 482 "parse_and_eval constant test"
9325cb04 483 gdb_test "python print (gdb.parse_and_eval ('5 + 7'))" "12" \
57a1d736 484 "parse_and_eval simple expression test"
9325cb04
PK
485 gdb_test "python print (type(gdb.parse_and_eval ('5 + 7')))" \
486 ".(type|class) 'gdb.Value'."\
57a1d736
TT
487 "parse_and_eval type test"
488}
489
88d4aea7
PM
490# Test that values are hashable.
491proc test_value_hash {} {
492 gdb_py_test_multiple "Simple Python value dictionary" \
493 "python" "" \
494 "one = gdb.Value(1)" "" \
495 "two = gdb.Value(2)" "" \
496 "three = gdb.Value(3)" "" \
497 "vdict = {one:\"one str\",two:\"two str\",three:\"three str\"}" "" \
498 "end"
9325cb04
PK
499 gdb_test "python print (vdict\[one\])" "one str" "Test dictionary hash"
500 gdb_test "python print (vdict\[two\])" "two str" "Test dictionary hash"
501 gdb_test "python print (vdict\[three\])" "three str" "Test dictionary hash"
502 gdb_test "python print (one.__hash__() == hash(one))" "True" "Test inbuilt hash"
88d4aea7
PM
503}
504
ac52f9a2
DE
505# Build C version of executable. C++ is built later.
506if { [build_inferior "${binfile}" "c"] < 0 } {
507 return -1
508}
88d4aea7 509
a08702d6 510# Start with a fresh gdb.
d54b30bb 511clean_restart ${binfile}
a08702d6 512
f6bbabf0
PM
513# Skip all tests if Python scripting is not enabled.
514if { [skip_python_tests] } { continue }
a08702d6
TJB
515
516test_value_creation
517test_value_numeric_ops
518test_value_boolean
519test_value_compare
89c73ade 520test_objfiles
57a1d736 521test_parse_and_eval
88d4aea7 522test_value_hash
adc13a14
PA
523
524# The following tests require execution.
525
526if ![runto_main] then {
527 fail "Can't run to main"
528 return 0
529}
530
a08702d6 531test_value_in_inferior
5374244e 532test_inferior_function_call
be759fcf 533test_lazy_strings
2c74e833 534test_value_after_death
2e4d963f 535
db8e4570 536# Test either C or C++ values.
ac52f9a2 537
db8e4570 538test_subscript_regression "${binfile}" "c"
ac52f9a2
DE
539
540if ![skip_cplus_tests] {
541 if { [build_inferior "${binfile}-cxx" "c++"] < 0 } {
542 return -1
543 }
35720eaa
DE
544 with_test_prefix "c++" {
545 test_subscript_regression "${binfile}-cxx" "c++"
546 }
ac52f9a2 547}
This page took 0.919116 seconds and 4 git commands to generate.