gdb: split out warnings helpers
[deliverable/binutils-gdb.git] / gdb / testsuite / gdb.python / py-value.exp
CommitLineData
618f726f 1# Copyright (C) 2008-2016 Free Software Foundation, Inc.
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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
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19load_lib gdb-python.exp
20
b4a58790 21standard_testfile
db8e4570 22
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23set has_argv0 [gdb_has_argv0]
24
db8e4570 25# Build inferior to language specification.
ac52f9a2 26# LANG is one of "c" or "c++".
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27proc build_inferior {exefile lang} {
28 global srcdir subdir srcfile testfile hex
29
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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"] != "" } {
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42 untested "Couldn't compile ${srcfile} in $lang mode"
43 return -1
44 }
ac52f9a2 45 return 0
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46}
47
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48proc test_value_creation {} {
49 global gdb_prompt
9325cb04 50 global gdb_py_is_py3k
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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
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54 if { $gdb_py_is_py3k == 0 } {
55 gdb_py_test_silent_cmd "python i = gdb.Value (5L)" "create long value" 1
56 }
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57 gdb_py_test_silent_cmd "python f = gdb.Value (1.25)" "create double value" 1
58 gdb_py_test_silent_cmd "python a = gdb.Value ('string test')" "create 8-bit string value" 1
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59 gdb_test "python print (a)" "\"string test\"" "print 8-bit string"
60 gdb_test "python print (a.__class__)" "<(type|class) 'gdb.Value'>" "verify type of 8-bit string"
61 if { $gdb_py_is_py3k == 0 } {
62 gdb_py_test_silent_cmd "python a = gdb.Value (u'unicode test')" "create unicode value" 1
63 gdb_test "python print (a)" "\"unicode test\"" "print Unicode string"
64 gdb_test "python print (a.__class__)" "<(type|class) 'gdb.Value'>" "verify type of unicode string"
65 }
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66
67 # Test address attribute is None in a non-addressable value
9325cb04 68 gdb_test "python print ('result = %s' % i.address)" "= None" "Test address attribute in non-addressable value"
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69}
70
71proc test_value_numeric_ops {} {
72 global gdb_prompt
73
74 gdb_py_test_silent_cmd "python i = gdb.Value (5)" "create first integer value" 0
75 gdb_py_test_silent_cmd "python j = gdb.Value (2)" "create second integer value" 0
76 gdb_py_test_silent_cmd "python f = gdb.Value (1.25)" "create first double value" 0
77 gdb_py_test_silent_cmd "python g = gdb.Value (2.5)" "create second double value" 0
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78 gdb_test "python print ('result = ' + str(i+j))" " = 7" "add two integer values"
79 gdb_test "python print ((i+j).__class__)" "<(type|class) 'gdb.Value'>" "verify type of integer add result"
80
81 gdb_test "python print ('result = ' + str(f+g))" " = 3.75" "add two double values"
82 gdb_test "python print ('result = ' + str(i-j))" " = 3" "subtract two integer values"
83 gdb_test "python print ('result = ' + str(f-g))" " = -1.25" "subtract two double values"
84 gdb_test "python print ('result = ' + str(i*j))" " = 10" "multiply two integer values"
85 gdb_test "python print ('result = ' + str(f*g))" " = 3.125" "multiply two double values"
86 gdb_test "python print ('result = ' + str(i/j))" " = 2" "divide two integer values"
87 gdb_test "python print ('result = ' + str(f/g))" " = 0.5" "divide two double values"
88 gdb_test "python print ('result = ' + str(i%j))" " = 1" "take remainder of two integer values"
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89 # Remainder of float is implemented in Python but not in GDB's value system.
90
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91 gdb_test "python print ('result = ' + str(i**j))" " = 25" "integer value raised to the power of another integer value"
92 gdb_test "python print ('result = ' + str(g**j))" " = 6.25" "double value raised to the power of integer value"
a08702d6 93
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94 gdb_test "python print ('result = ' + str(-i))" " = -5" "negated integer value"
95 gdb_test "python print ('result = ' + str(+i))" " = 5" "positive integer value"
96 gdb_test "python print ('result = ' + str(-f))" " = -1.25" "negated double value"
97 gdb_test "python print ('result = ' + str(+f))" " = 1.25" "positive double value"
98 gdb_test "python print ('result = ' + str(abs(j-i)))" " = 3" "absolute of integer value"
99 gdb_test "python print ('result = ' + str(abs(f-g)))" " = 1.25" "absolute of double value"
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100
101 # Test gdb.Value mixed with Python types.
102
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103 gdb_test "python print ('result = ' + str(i-1))" " = 4" "subtract integer value from python integer"
104 gdb_test "python print ((i-1).__class__)" "<(type|class) 'gdb.Value'>" "verify type of mixed integer subtraction result"
105 gdb_test "python print ('result = ' + str(f+1.5))" " = 2.75" "add double value with python float"
a08702d6 106
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107 gdb_test "python print ('result = ' + str(1-i))" " = -4" "subtract python integer from integer value"
108 gdb_test "python print ('result = ' + str(1.5+f))" " = 2.75" "add python float with double value"
a08702d6 109
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110 # Conversion test.
111 gdb_test "print evalue" " = TWO"
89493308 112 gdb_test_no_output "python evalue = gdb.history (0)"
9325cb04 113 gdb_test "python print (int (evalue))" "2"
08c637de 114
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115 # Test pointer arithmethic
116
117 # First, obtain the pointers
de7ff789 118 gdb_test "print (void *) 2" ".*" ""
35ec993f 119 gdb_test_no_output "python a = gdb.history (0)" ""
de7ff789 120 gdb_test "print (void *) 5" ".*" ""
35ec993f 121 gdb_test_no_output "python b = gdb.history (0)" ""
a08702d6 122
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123 gdb_test "python print ('result = ' + str(a+5))" " = 0x7( <.*>)?" "add pointer value with python integer"
124 gdb_test "python print ('result = ' + str(b-2))" " = 0x3( <.*>)?" "subtract python integer from pointer value"
125 gdb_test "python print ('result = ' + str(b-a))" " = 3" "subtract two pointer values"
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126
127 # Test some invalid operations.
128
9325cb04 129 gdb_test_multiple "python print ('result = ' + str(i+'foo'))" "catch error in python type conversion" {
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130 -re "Argument to arithmetic operation not a number or boolean.*$gdb_prompt $" {pass "catch error in python type conversion"}
131 -re "result = .*$gdb_prompt $" {fail "catch error in python type conversion"}
132 -re "$gdb_prompt $" {fail "catch error in python type conversion"}
133 }
134
9325cb04 135 gdb_test_multiple "python print ('result = ' + str(i+gdb.Value('foo')))" "catch throw of GDB error" {
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136 -re "Traceback.*$gdb_prompt $" {pass "catch throw of GDB error"}
137 -re "result = .*$gdb_prompt $" {fail "catch throw of GDB error"}
138 -re "$gdb_prompt $" {fail "catch throw of GDB error"}
139 }
140}
141
142proc test_value_boolean {} {
143 # First, define a useful function to test booleans.
144 gdb_py_test_multiple "define function to test booleans" \
145 "python" "" \
146 "def test_bool (val):" "" \
147 " if val:" "" \
9325cb04 148 " print ('yay')" "" \
a08702d6 149 " else:" "" \
9325cb04 150 " print ('nay')" "" \
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151 "end" ""
152
153 gdb_test "py test_bool (gdb.Value (True))" "yay" "check evaluation of true boolean value in expression"
154
155 gdb_test "py test_bool (gdb.Value (False))" "nay" "check evaluation of false boolean value in expression"
156
157 gdb_test "py test_bool (gdb.Value (5))" "yay" "check evaluation of true integer value in expression"
158
159 gdb_test "py test_bool (gdb.Value (0))" "nay" "check evaluation of false integer value in expression"
160
161 gdb_test "py test_bool (gdb.Value (5.2))" "yay" "check evaluation of true integer value in expression"
162
163 gdb_test "py test_bool (gdb.Value (0.0))" "nay" "check evaluation of false integer value in expression"
164}
165
166proc test_value_compare {} {
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167 gdb_test "py print (gdb.Value (1) < gdb.Value (1))" "False" "less than, equal"
168 gdb_test "py print (gdb.Value (1) < gdb.Value (2))" "True" "less than, less"
169 gdb_test "py print (gdb.Value (2) < gdb.Value (1))" "False" "less than, greater"
170 gdb_test "py print (gdb.Value (2) < None)" "False" "less than, None"
171
172 gdb_test "py print (gdb.Value (1) <= gdb.Value (1))" "True" "less or equal, equal"
173 gdb_test "py print (gdb.Value (1) <= gdb.Value (2))" "True" "less or equal, less"
174 gdb_test "py print (gdb.Value (2) <= gdb.Value (1))" "False" "less or equal, greater"
175 gdb_test "py print (gdb.Value (2) <= None)" "False" "less or equal, None"
176
177 gdb_test "py print (gdb.Value (1) == gdb.Value (1))" "True" "equality of gdb.Values"
178 gdb_test "py print (gdb.Value (1) == gdb.Value (2))" "False" "inequality of gdb.Values"
179 gdb_test "py print (gdb.Value (1) == 1.0)" "True" "equality of gdb.Value with Python value"
180 gdb_test "py print (gdb.Value (1) == 2)" "False" "inequality of gdb.Value with Python value"
181 gdb_test "py print (gdb.Value (1) == None)" "False" "inequality of gdb.Value with None"
182
183 gdb_test "py print (gdb.Value (1) != gdb.Value (1))" "False" "inequality, false"
184 gdb_test "py print (gdb.Value (1) != gdb.Value (2))" "True" "inequality, true"
185 gdb_test "py print (gdb.Value (1) != None)" "True" "inequality, None"
186
187 gdb_test "py print (gdb.Value (1) > gdb.Value (1))" "False" "greater than, equal"
188 gdb_test "py print (gdb.Value (1) > gdb.Value (2))" "False" "greater than, less"
189 gdb_test "py print (gdb.Value (2) > gdb.Value (1))" "True" "greater than, greater"
190 gdb_test "py print (gdb.Value (2) > None)" "True" "greater than, None"
191
192 gdb_test "py print (gdb.Value (1) >= gdb.Value (1))" "True" "greater or equal, equal"
193 gdb_test "py print (gdb.Value (1) >= gdb.Value (2))" "False" "greater or equal, less"
194 gdb_test "py print (gdb.Value (2) >= gdb.Value (1))" "True" "greater or equal, greater"
195 gdb_test "py print (gdb.Value (2) >= None)" "True" "greater or equal, None"
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196}
197
198proc test_value_in_inferior {} {
199 global gdb_prompt
200 global testfile
9325cb04 201 global gdb_py_is_py3k
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202
203 gdb_breakpoint [gdb_get_line_number "break to inspect struct and union"]
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204
205 gdb_continue_to_breakpoint "break to inspect struct and union"
206
207 # Just get inferior variable s in the value history, available to python.
208 gdb_test "print s" " = {a = 3, b = 5}" ""
209
08c637de 210 gdb_py_test_silent_cmd "python s = gdb.history (0)" "get value from history" 1
a08702d6 211
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212 gdb_test "python print ('result = ' + str(s\['a'\]))" " = 3" "access element inside struct using 8-bit string name"
213 if { $gdb_py_is_py3k == 0 } {
214 gdb_test "python print ('result = ' + str(s\[u'a'\]))" " = 3" "access element inside struct using unicode name"
215 }
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216
217 # Test dereferencing the argv pointer
218
219 # Just get inferior variable argv the value history, available to python.
220 gdb_test "print argv" " = \\(char \\*\\*\\) 0x.*" ""
221
08c637de 222 gdb_py_test_silent_cmd "python argv = gdb.history (0)" "" 0
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223 gdb_py_test_silent_cmd "python arg0 = argv.dereference ()" "dereference value" 1
224
225 # Check that the dereferenced value is sane
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226 global has_argv0
227 set test "verify dereferenced value"
228 if { $has_argv0 } {
229 gdb_test "python print (arg0)" "0x.*$testfile\"" $test
230 } else {
231 unsupported $test
70362913 232 }
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233
234 # Smoke-test is_optimized_out attribute
9325cb04 235 gdb_test "python print ('result = %s' % arg0.is_optimized_out)" "= False" "Test is_optimized_out attribute"
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236
237 # Test address attribute
9325cb04 238 gdb_test "python print ('result = %s' % arg0.address)" "= 0x\[\[:xdigit:\]\]+" "Test address attribute"
fbb8f299 239
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240 # Test displaying a variable that is temporarily at a bad address.
241 # But if we can examine what's at memory address 0, then we'll also be
242 # able to display it without error. Don't run the test in that case.
20c6f1e1 243 set can_read_0 [is_address_zero_readable]
46f886f1 244
621c8364 245 # Test memory error.
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246 set test "parse_and_eval with memory error"
247 if {$can_read_0} {
248 untested $test
249 } else {
9325cb04 250 gdb_test "python print (gdb.parse_and_eval('*(int*)0'))" "gdb.MemoryError: Cannot access memory at address 0x0.*" $test
46f886f1 251 }
621c8364 252
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253 # Test Python lazy value handling
254 set test "memory error and lazy values"
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255 if {$can_read_0} {
256 untested $test
257 } else {
54d8a644 258 gdb_test "python inval = gdb.parse_and_eval('*(int*)0')"
9325cb04 259 gdb_test "python print (inval.is_lazy)" "True"
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260 gdb_test "python inval2 = inval+1" "gdb.MemoryError: Cannot access memory at address 0x0.*" $test
261 gdb_test "python inval.fetch_lazy ()" "gdb.MemoryError: Cannot access memory at address 0x0.*" $test
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262 }
263 gdb_test "python argc_lazy = gdb.parse_and_eval('argc')"
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264 gdb_test "python argc_notlazy = gdb.parse_and_eval('argc')"
265 gdb_test "python argc_notlazy.fetch_lazy()"
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266 gdb_test "python print (argc_lazy.is_lazy)" "True"
267 gdb_test "python print (argc_notlazy.is_lazy)" "False"
aa2071bd 268 gdb_test "print argc" " = 1" "sanity check argc"
9325cb04 269 gdb_test "python print (argc_lazy.is_lazy)" "\r\nTrue"
aa2071bd 270 gdb_test_no_output "set argc=2"
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271 gdb_test "python print (argc_notlazy)" "\r\n1"
272 gdb_test "python print (argc_lazy)" "\r\n2"
273 gdb_test "python print (argc_lazy.is_lazy)" "False"
aa2071bd 274
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275 # Test string fetches, both partial and whole.
276 gdb_test "print st" "\"divide et impera\""
277 gdb_py_test_silent_cmd "python st = gdb.history (0)" "get value from history" 1
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278 gdb_test "python print (st.string ())" "divide et impera" "Test string with no length"
279 gdb_test "python print (st.string (length = -1))" "divide et impera" "Test string (length = -1) is all of the string"
280 gdb_test "python print (st.string (length = 6))" "divide"
281 gdb_test "python print (\"---\"+st.string (length = 0)+\"---\")" "------" "Test string (length = 0) is empty"
282 gdb_test "python print (len(st.string (length = 0)))" "0" "Test length is 0"
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283
284
285 # Fetch a string that has embedded nulls.
286 gdb_test "print nullst" "\"divide\\\\000et\\\\000impera\".*"
287 gdb_py_test_silent_cmd "python nullst = gdb.history (0)" "get value from history" 1
9325cb04 288 gdb_test "python print (nullst.string ())" "divide" "Test string to first null"
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289 # Python cannot print strings that contain the null (\0) character.
290 # For the purposes of this test, use repr()
291 gdb_py_test_silent_cmd "python nullst = nullst.string (length = 9)" "get string beyond null" 1
9325cb04 292 gdb_test "python print (repr(nullst))" "u?'divide\\\\x00et'"
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293
294 # Test fetching a string longer than its declared (in C) size.
295 # PR 16286
296 gdb_py_test_silent_cmd "python xstr = gdb.parse_and_eval('xstr')" "get xstr" 1
d7fc3181 297 gdb_test "python print(xstr\['text'\].string (length = xstr\['length'\]))" "x{100}" \
0987cf35 298 "read string beyond declared size"
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299}
300
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301proc test_lazy_strings {} {
302
303 global hex
304
305 gdb_test "print sptr" "\"pointer\""
306 gdb_py_test_silent_cmd "python sptr = gdb.history (0)" "Get value from history" 1
307
308 gdb_py_test_silent_cmd "python lstr = sptr.lazy_string()" "Aquire lazy string" 1
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309 gdb_test "python print (lstr.type)" "const char \*." "Test lazy-string type name equality"
310 gdb_test "python print (sptr.type)" "const char \*." "Test string type name equality"
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311
312 # Prevent symbol on address 0x0 being printed.
313 gdb_test_no_output "set print symbol off"
fff5cc64 314 gdb_test "print sn" "0x0"
3881fb67 315
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316 gdb_py_test_silent_cmd "python snptr = gdb.history (0)" "Get value from history" 1
317 gdb_test "python snstr = snptr.lazy_string(length=5)" ".*Cannot create a lazy string with address.*" "Test lazy string"
318 gdb_py_test_silent_cmd "python snstr = snptr.lazy_string(length=0)" "Succesfully create a lazy string" 1
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319 gdb_test "python print (snstr.length)" "0" "Test lazy string length"
320 gdb_test "python print (snstr.address)" "0" "Test lazy string address"
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321}
322
323
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324proc test_inferior_function_call {} {
325 global gdb_prompt hex decimal
326
327 # Correct inferior call without arguments.
328 gdb_test "p/x fp1" " = $hex.*"
329 gdb_py_test_silent_cmd "python fp1 = gdb.history (0)" "get value from history" 1
330 gdb_test "python fp1 = fp1.dereference()" ""
331 gdb_test "python result = fp1()" ""
9325cb04 332 gdb_test "python print (result)" "void"
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333
334 # Correct inferior call with arguments.
335 gdb_test "p/x fp2" " = $hex.*"
336 gdb_py_test_silent_cmd "python fp2 = gdb.history (0)" "get value from history" 1
337 gdb_test "python fp2 = fp2.dereference()" ""
338 gdb_test "python result2 = fp2(10,20)" ""
9325cb04 339 gdb_test "python print (result2)" "30"
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340
341 # Incorrect to call an int value.
342 gdb_test "p i" " = $decimal.*"
343 gdb_py_test_silent_cmd "python i = gdb.history (0)" "get value from history" 1
344 gdb_test "python result3 = i()" ".*Value is not callable.*"
345
346 # Incorrect number of arguments.
347 gdb_test "p/x fp2" " = $hex.*"
348 gdb_py_test_silent_cmd "python fp3 = gdb.history (0)" "get value from history" 1
349 gdb_test "python fp3 = fp3.dereference()" ""
350 gdb_test "python result2 = fp3(10)" ".*Too few arguments in function call.*"
351}
352
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353# A few objfile tests.
354proc test_objfiles {} {
9325cb04 355 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 356 "py-value in file.filename"
89c73ade 357
9325cb04 358 gdb_test "python print (gdb.objfiles()\[0\].pretty_printers)" "\\\[\\\]"
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359
360 gdb_test "python gdb.objfiles()\[0\].pretty_printers = 0" \
361 "pretty_printers attribute must be a list.*Error while executing Python code."
362}
a08702d6 363
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364proc test_value_after_death {} {
365 # Construct a type while the inferior is still running.
366 gdb_py_test_silent_cmd "python ptrtype = gdb.lookup_type('PTR')" \
367 "create PTR type" 1
368
369 # Kill the inferior and remove the symbols.
370 gdb_test "kill" "" "kill the inferior" \
371 "Kill the program being debugged. .y or n. $" \
372 "y"
373 gdb_test "file" "" "Discard the symbols" \
374 "Discard symbol table from.*y or n. $" \
375 "y"
376
377 # Now create a value using that type. Relies on arg0, created by
378 # test_value_in_inferior.
379 gdb_py_test_silent_cmd "python castval = arg0.cast(ptrtype.pointer())" \
380 "cast arg0 to PTR" 1
381
382 # Make sure the type is deleted.
383 gdb_py_test_silent_cmd "python ptrtype = None" \
384 "delete PTR type" 1
385
386 # Now see if the value's type is still valid.
9325cb04 387 gdb_test "python print (castval.type)" "PTR ." \
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388 "print value's type"
389}
390
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391# Regression test for invalid subscript operations. The bug was that
392# the type of the value was not being checked before allowing a
393# subscript operation to proceed.
394
db8e4570 395proc test_subscript_regression {exefile lang} {
2e4d963f 396 # Start with a fresh gdb.
d54b30bb 397 clean_restart ${exefile}
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398
399 if ![runto_main ] then {
400 perror "couldn't run to breakpoint"
401 return
402 }
403
404 if {$lang == "c++"} {
405 gdb_breakpoint [gdb_get_line_number "break to inspect pointer by reference"]
406 gdb_continue_to_breakpoint "break to inspect pointer by reference"
407
408 gdb_py_test_silent_cmd "print rptr_int" \
409 "Obtain address" 1
410 gdb_py_test_silent_cmd "python rptr = gdb.history(0)" \
411 "Obtains value from GDB" 1
9325cb04 412 gdb_test "python print (rptr\[0\])" "2" "Check pointer passed as reference"
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413
414 # Just the most basic test of dynamic_cast -- it is checked in
415 # the C++ tests.
9325cb04 416 gdb_test "python print (bool(gdb.parse_and_eval('base').dynamic_cast(gdb.lookup_type('Derived').pointer())))" \
f9ffd4bb 417 True
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418
419 # Likewise.
9325cb04 420 gdb_test "python print (gdb.parse_and_eval('base').dynamic_type)" \
03f17ccf 421 "Derived \[*\]"
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422 gdb_test "python print (gdb.parse_and_eval('base_ref').dynamic_type)" \
423 "Derived \[&\]"
03f17ccf 424 # A static type case.
9325cb04 425 gdb_test "python print (gdb.parse_and_eval('5').dynamic_type)" \
03f17ccf 426 "int"
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427 }
428
429 gdb_breakpoint [gdb_get_line_number "break to inspect struct and union"]
430 gdb_continue_to_breakpoint "break to inspect struct and union"
431
432 gdb_py_test_silent_cmd "python intv = gdb.Value(1)" \
433 "Create a value for subscript test" 1
434 gdb_py_test_silent_cmd "python stringv = gdb.Value(\"foo\")" \
435 "Create a value for subscript test" 1
436
437 # Try to access an int with a subscript. This should fail.
35720eaa 438 gdb_test "python print (intv)" "1" "Baseline print of an int Python value"
9325cb04 439 gdb_test "python print (intv\[0\])" "gdb.error: Cannot subscript requested type.*" \
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440 "Attempt to access an integer with a subscript"
441
442 # Try to access a string with a subscript. This should pass.
35720eaa 443 gdb_test "python print (stringv)" "foo." "Baseline print of a string Python value"
9325cb04 444 gdb_test "python print (stringv\[0\])" "f." "Attempt to access a string with a subscript"
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445
446 # Try to access an int array via a pointer with a subscript. This should pass.
447 gdb_py_test_silent_cmd "print p" "Build pointer to array" 1
448 gdb_py_test_silent_cmd "python pointer = gdb.history(0)" "" 1
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449 gdb_test "python print (pointer\[0\])" "1" "Access array via pointer with int subscript"
450 gdb_test "python print (pointer\[intv\])" "2" "Access array via pointer with value subscript"
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451
452 # Try to access a single dimension array with a subscript to the
453 # result. This should fail.
9325cb04 454 gdb_test "python print (pointer\[intv\]\[0\])" "gdb.error: Cannot subscript requested type.*" \
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455 "Attempt to access an integer with a subscript"
456
457 # Lastly, test subscript access to an array with multiple
458 # dimensions. This should pass.
459 gdb_py_test_silent_cmd "print {\"fu \",\"foo\",\"bar\"}" "Build array" 1
460 gdb_py_test_silent_cmd "python marray = gdb.history(0)" "" 1
9325cb04 461 gdb_test "python print (marray\[1\]\[2\])" "o." "Test multiple subscript"
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462}
463
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464# A few tests of gdb.parse_and_eval.
465proc test_parse_and_eval {} {
9325cb04 466 gdb_test "python print (gdb.parse_and_eval ('23'))" "23" \
57a1d736 467 "parse_and_eval constant test"
9325cb04 468 gdb_test "python print (gdb.parse_and_eval ('5 + 7'))" "12" \
57a1d736 469 "parse_and_eval simple expression test"
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470 gdb_test "python print (type(gdb.parse_and_eval ('5 + 7')))" \
471 ".(type|class) 'gdb.Value'."\
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472 "parse_and_eval type test"
473}
474
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475# Test that values are hashable.
476proc test_value_hash {} {
477 gdb_py_test_multiple "Simple Python value dictionary" \
478 "python" "" \
479 "one = gdb.Value(1)" "" \
480 "two = gdb.Value(2)" "" \
481 "three = gdb.Value(3)" "" \
482 "vdict = {one:\"one str\",two:\"two str\",three:\"three str\"}" "" \
483 "end"
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484 gdb_test "python print (vdict\[one\])" "one str" "Test dictionary hash"
485 gdb_test "python print (vdict\[two\])" "two str" "Test dictionary hash"
486 gdb_test "python print (vdict\[three\])" "three str" "Test dictionary hash"
487 gdb_test "python print (one.__hash__() == hash(one))" "True" "Test inbuilt hash"
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488}
489
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490# Build C version of executable. C++ is built later.
491if { [build_inferior "${binfile}" "c"] < 0 } {
492 return -1
493}
88d4aea7 494
a08702d6 495# Start with a fresh gdb.
d54b30bb 496clean_restart ${binfile}
a08702d6 497
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498# Skip all tests if Python scripting is not enabled.
499if { [skip_python_tests] } { continue }
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500
501test_value_creation
502test_value_numeric_ops
503test_value_boolean
504test_value_compare
89c73ade 505test_objfiles
57a1d736 506test_parse_and_eval
88d4aea7 507test_value_hash
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508
509# The following tests require execution.
510
511if ![runto_main] then {
512 fail "Can't run to main"
513 return 0
514}
515
a08702d6 516test_value_in_inferior
5374244e 517test_inferior_function_call
be759fcf 518test_lazy_strings
2c74e833 519test_value_after_death
2e4d963f 520
db8e4570 521# Test either C or C++ values.
ac52f9a2 522
db8e4570 523test_subscript_regression "${binfile}" "c"
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524
525if ![skip_cplus_tests] {
526 if { [build_inferior "${binfile}-cxx" "c++"] < 0 } {
527 return -1
528 }
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529 with_test_prefix "c++" {
530 test_subscript_regression "${binfile}-cxx" "c++"
531 }
ac52f9a2 532}
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