Commit | Line | Data |
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ecd75fc8 | 1 | # Copyright 1992-2014 Free Software Foundation, Inc. |
c906108c SS |
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 | |
e22f8b7c | 5 | # the Free Software Foundation; either version 3 of the License, or |
c906108c | 6 | # (at your option) any later version. |
e22f8b7c | 7 | # |
c906108c SS |
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. | |
e22f8b7c | 12 | # |
c906108c | 13 | # You should have received a copy of the GNU General Public License |
e22f8b7c | 14 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
c906108c | 15 | |
c906108c SS |
16 | # This file was written by Fred Fish. (fnf@cygnus.com) |
17 | # and modified by Bob Manson. (manson@cygnus.com) | |
18 | ||
f76495c8 | 19 | standard_testfile |
c906108c | 20 | |
0578b8d1 YQ |
21 | set compile_flags {debug} |
22 | if [support_complex_tests] { | |
23 | lappend compile_flags "additional_flags=-DTEST_COMPLEX" | |
24 | } | |
25 | ||
26 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable $compile_flags] != "" } { | |
b60f0898 JB |
27 | untested callfuncs.exp |
28 | return -1 | |
c906108c SS |
29 | } |
30 | ||
31 | # Create and source the file that provides information about the compiler | |
32 | # used to compile the test case. | |
33 | ||
4c93b1db | 34 | if [get_compiler_info] { |
ae59b1da | 35 | return -1 |
c906108c SS |
36 | } |
37 | ||
085dd6e6 JM |
38 | if {$hp_aCC_compiler} { |
39 | set prototypes 1 | |
40 | } else { | |
41 | set prototypes 0 | |
42 | } | |
43 | ||
9fbfe2dc AC |
44 | # Some targets can't do function calls, so don't even bother with this |
45 | # test. | |
c906108c SS |
46 | if [target_info exists gdb,cannot_call_functions] { |
47 | setup_xfail "*-*-*" 2416 | |
48 | fail "This target can not call functions" | |
49 | continue | |
50 | } | |
51 | ||
c906108c SS |
52 | # FIXME: Before calling this proc, we should probably verify that |
53 | # we can call inferior functions and get a valid integral value | |
54 | # returned. | |
55 | # Note that it is OK to check for 0 or 1 as the returned values, because C | |
56 | # specifies that the numeric value of a relational or logical expression | |
57 | # (computed in the inferior) is 1 for true and 0 for false. | |
58 | ||
59 | proc do_function_calls {} { | |
60 | global prototypes | |
a0b3c4fd JM |
61 | global gdb_prompt |
62 | ||
c906108c | 63 | # We need to up this because this can be really slow on some boards. |
4ec70201 | 64 | set timeout 60 |
c906108c | 65 | |
1aa99537 DE |
66 | # If any of these calls segv we don't want to affect subsequent tests. |
67 | # E.g., we want to ensure register values are restored. | |
68 | gdb_test_no_output "set unwindonsignal on" | |
69 | ||
c906108c SS |
70 | gdb_test "p t_char_values(0,0)" " = 0" |
71 | gdb_test "p t_char_values('a','b')" " = 1" | |
72 | gdb_test "p t_char_values(char_val1,char_val2)" " = 1" | |
73 | gdb_test "p t_char_values('a',char_val2)" " = 1" | |
74 | gdb_test "p t_char_values(char_val1,'b')" " = 1" | |
75 | ||
76 | gdb_test "p t_short_values(0,0)" " = 0" | |
77 | gdb_test "p t_short_values(10,-23)" " = 1" | |
78 | gdb_test "p t_short_values(short_val1,short_val2)" " = 1" | |
79 | gdb_test "p t_short_values(10,short_val2)" " = 1" | |
80 | gdb_test "p t_short_values(short_val1,-23)" " = 1" | |
81 | ||
82 | gdb_test "p t_int_values(0,0)" " = 0" | |
83 | gdb_test "p t_int_values(87,-26)" " = 1" | |
84 | gdb_test "p t_int_values(int_val1,int_val2)" " = 1" | |
85 | gdb_test "p t_int_values(87,int_val2)" " = 1" | |
86 | gdb_test "p t_int_values(int_val1,-26)" " = 1" | |
87 | ||
88 | gdb_test "p t_long_values(0,0)" " = 0" | |
89 | gdb_test "p t_long_values(789,-321)" " = 1" | |
90 | gdb_test "p t_long_values(long_val1,long_val2)" " = 1" | |
91 | gdb_test "p t_long_values(789,long_val2)" " = 1" | |
92 | gdb_test "p t_long_values(long_val1,-321)" " = 1" | |
93 | ||
94 | if ![target_info exists gdb,skip_float_tests] { | |
95 | gdb_test "p t_float_values(0.0,0.0)" " = 0" | |
96 | ||
97 | # These next four tests fail on the mn10300. | |
98 | # The first value is passed in regs, the other in memory. | |
99 | # Gcc emits different stabs for the two parameters; the first is | |
100 | # claimed to be a float, the second a double. | |
101 | # dbxout.c in gcc claims this is the desired behavior. | |
a6c727b2 DJ |
102 | # These tests also fail for RealView, because GDB can not tell that |
103 | # the function is unprototyped. | |
a0b3c4fd | 104 | setup_xfail "mn10300-*-*" |
a6c727b2 | 105 | if { [test_compiler_info "armcc-*"] } { setup_xfail "*-*-*" } |
c906108c | 106 | gdb_test "p t_float_values(3.14159,-2.3765)" " = 1" |
a0b3c4fd | 107 | setup_xfail "mn10300-*-*" |
a6c727b2 | 108 | if { [test_compiler_info "armcc-*"] } { setup_xfail "*-*-*" } |
c906108c | 109 | gdb_test "p t_float_values(float_val1,float_val2)" " = 1" |
a0b3c4fd | 110 | setup_xfail "mn10300-*-*" |
a6c727b2 | 111 | if { [test_compiler_info "armcc-*"] } { setup_xfail "*-*-*" } |
c906108c | 112 | gdb_test "p t_float_values(3.14159,float_val2)" " = 1" |
a0b3c4fd | 113 | setup_xfail "mn10300-*-*" |
a6c727b2 | 114 | if { [test_compiler_info "armcc-*"] } { setup_xfail "*-*-*" } |
c906108c SS |
115 | gdb_test "p t_float_values(float_val1,-2.3765)" " = 1" |
116 | ||
117 | # Test passing of arguments which might not be widened. | |
118 | gdb_test "p t_float_values2(0.0,0.0)" " = 0" | |
119 | ||
120 | # Although PR 5318 mentions SunOS specifically, this seems | |
121 | # to be a generic problem on quite a few platforms. | |
122 | if $prototypes then { | |
085dd6e6 | 123 | setup_xfail "sparc-*-*" "mips*-*-*" 5318 |
96457b64 | 124 | if { ! [test_compiler_info gcc-*-*] } then { |
32a8097b | 125 | setup_xfail "i*86-*-sysv4*" 5318 |
c906108c SS |
126 | } |
127 | } | |
0bc69509 | 128 | |
c906108c | 129 | gdb_test "p t_float_values2(3.14159,float_val2)" " = 1" |
0bc69509 | 130 | |
1a4ca44a TJB |
131 | gdb_test "p t_float_many_args (float_val1, float_val2, float_val3, float_val4, float_val5, float_val6, float_val7, float_val8, float_val9, float_val10, float_val11, float_val12, float_val13, float_val14, float_val15)" " = 1" "Call function with many float arguments." |
132 | ||
c906108c SS |
133 | gdb_test "p t_small_values(1,2,3,4,5,6,7,8,9,10)" " = 55" |
134 | ||
135 | gdb_test "p t_double_values(0.0,0.0)" " = 0" | |
136 | gdb_test "p t_double_values(45.654,-67.66)" " = 1" | |
137 | gdb_test "p t_double_values(double_val1,double_val2)" " = 1" | |
138 | gdb_test "p t_double_values(45.654,double_val2)" " = 1" | |
139 | gdb_test "p t_double_values(double_val1,-67.66)" " = 1" | |
8d26208a | 140 | |
1a4ca44a TJB |
141 | gdb_test "p t_double_many_args (double_val1, double_val2, double_val3, double_val4, double_val5, double_val6, double_val7, double_val8, double_val9, double_val10, double_val11, double_val12, double_val13, double_val14, double_val15)" " = 1" "Call function with many double arguments." |
142 | ||
8d26208a DJ |
143 | gdb_test "p t_double_int(99.0, 1)" " = 0" |
144 | gdb_test "p t_double_int(99.0, 99)" " = 1" | |
145 | gdb_test "p t_int_double(99, 1.0)" " = 0" | |
146 | gdb_test "p t_int_double(99, 99.0)" " = 1" | |
c906108c SS |
147 | } |
148 | ||
0578b8d1 | 149 | if [support_complex_tests] { |
0578b8d1 YQ |
150 | gdb_test "p t_float_complex_values(fc1, fc2)" " = 1" |
151 | gdb_test "p t_float_complex_values(fc3, fc4)" " = 0" | |
152 | ||
0578b8d1 YQ |
153 | gdb_test "p t_float_complex_many_args(fc1, fc2, fc3, fc4, fc1, fc2, fc3, fc4, fc1, fc2, fc3, fc4, fc1, fc2, fc3, fc4)" " = 1" |
154 | gdb_test "p t_float_complex_many_args(fc1, fc1, fc1, fc1, fc1, fc1, fc1, fc1, fc1, fc1, fc1, fc1, fc1, fc1, fc1, fc1)" " = 0" | |
155 | ||
0578b8d1 YQ |
156 | gdb_test "p t_double_complex_values(dc1, dc2)" " = 1" |
157 | gdb_test "p t_double_complex_values(dc3, dc4)" " = 0" | |
158 | ||
0578b8d1 YQ |
159 | gdb_test "p t_double_complex_many_args(dc1, dc2, dc3, dc4, dc1, dc2, dc3, dc4, dc1, dc2, dc3, dc4, dc1, dc2, dc3, dc4)" " = 1" |
160 | gdb_test "p t_double_complex_many_args(dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1)" " = 0" | |
161 | ||
162 | gdb_test "p t_long_double_complex_values(ldc1, ldc2)" " = 1" | |
163 | gdb_test "p t_long_double_complex_values(ldc3, ldc4)" " = 0" | |
164 | gdb_test "p t_long_double_complex_many_args(ldc1, ldc2, ldc3, ldc4, ldc1, ldc2, ldc3, ldc4, ldc1, ldc2, ldc3, ldc4, ldc1, ldc2, ldc3, ldc4)" " = 1" | |
165 | gdb_test "p t_long_double_complex_many_args(ldc1, ldc1, ldc1, ldc1, ldc1, ldc1, ldc1,ldc1, ldc1, ldc1, ldc1, ldc1, ldc1, ldc1, ldc1, ldc1)" " = 0" | |
166 | } | |
167 | ||
c906108c SS |
168 | gdb_test "p t_string_values(string_val2,string_val1)" " = 0" |
169 | gdb_test "p t_string_values(string_val1,string_val2)" " = 1" | |
170 | gdb_test "p t_string_values(\"string 1\",\"string 2\")" " = 1" | |
171 | gdb_test "p t_string_values(\"string 1\",string_val2)" " = 1" | |
172 | gdb_test "p t_string_values(string_val1,\"string 2\")" " = 1" | |
173 | ||
174 | gdb_test "p t_char_array_values(char_array_val2,char_array_val1)" " = 0" | |
175 | gdb_test "p t_char_array_values(char_array_val1,char_array_val2)" " = 1" | |
176 | gdb_test "p t_char_array_values(\"carray 1\",\"carray 2\")" " = 1" | |
177 | gdb_test "p t_char_array_values(\"carray 1\",char_array_val2)" " = 1" | |
178 | gdb_test "p t_char_array_values(char_array_val1,\"carray 2\")" " = 1" | |
179 | ||
180 | gdb_test "p doubleit(4)" " = 8" | |
181 | gdb_test "p add(4,5)" " = 9" | |
182 | gdb_test "p t_func_values(func_val2,func_val1)" " = 0" | |
183 | gdb_test "p t_func_values(func_val1,func_val2)" " = 1" | |
184 | ||
fa8de41e TT |
185 | gdb_test "p function_struct.func(5)" " = 10" |
186 | gdb_test "p function_struct_ptr->func(10)" " = 20" | |
187 | ||
eac98b22 AC |
188 | # GDB currently screws up the passing of function parameters for |
189 | # ABIs that use function descriptors. Instead of passing the | |
190 | # address of te function descriptor, GDB passes the address of the | |
191 | # function body. This results in the called function treating the | |
192 | # first few instructions of the function proper as a descriptor | |
193 | # and attempting a jump through that (a totally random address). | |
bbc8b958 TT |
194 | setup_kfail gdb/1457 "rs6000*-*-aix*" |
195 | setup_kfail gdb/1457 "powerpc*-*-aix*" | |
196 | setup_kfail gdb/1457 hppa*-*-hpux* | |
eac98b22 | 197 | gdb_test "p t_func_values(add,func_val2)" " = 1" |
bbc8b958 TT |
198 | setup_kfail gdb/1457 "rs6000*-*-aix*" |
199 | setup_kfail gdb/1457 "powerpc*-*-aix*" | |
200 | setup_kfail gdb/1457 hppa*-*-hpux* | |
eac98b22 | 201 | gdb_test "p t_func_values(func_val1,doubleit)" " = 1" |
bbc8b958 TT |
202 | setup_kfail gdb/1457 "rs6000*-*-aix*" |
203 | setup_kfail gdb/1457 "powerpc*-*-aix*" | |
204 | setup_kfail gdb/1457 hppa*-*-hpux* | |
eac98b22 | 205 | gdb_test "p t_call_add(add,3,4)" " = 7" |
a0b3c4fd | 206 | gdb_test "p t_call_add(func_val1,3,4)" " = 7" |
c906108c SS |
207 | |
208 | gdb_test "p t_enum_value1(enumval1)" " = 1" | |
209 | gdb_test "p t_enum_value1(enum_val1)" " = 1" | |
210 | gdb_test "p t_enum_value1(enum_val2)" " = 0" | |
211 | ||
212 | gdb_test "p t_enum_value2(enumval2)" " = 1" | |
213 | gdb_test "p t_enum_value2(enum_val2)" " = 1" | |
214 | gdb_test "p t_enum_value2(enum_val1)" " = 0" | |
215 | ||
216 | gdb_test "p sum_args(1,{2})" " = 2" | |
217 | gdb_test "p sum_args(2,{2,3})" " = 5" | |
218 | gdb_test "p sum_args(3,{2,3,4})" " = 9" | |
219 | gdb_test "p sum_args(4,{2,3,4,5})" " = 14" | |
220 | ||
221 | gdb_test "p sum10 (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)" " = 55" | |
222 | ||
223 | gdb_test "p cmp10 (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)" " = 1" | |
224 | ||
225 | gdb_test "p t_structs_c(struct_val1)" "= 120 'x'" \ | |
226 | "call inferior func with struct - returns char" | |
227 | gdb_test "p t_structs_s(struct_val1)" "= 87" \ | |
fd7832a6 | 228 | "call inferior func with struct - returns short" |
c906108c SS |
229 | gdb_test "p t_structs_i(struct_val1)" "= 76" \ |
230 | "call inferior func with struct - returns int" | |
231 | gdb_test "p t_structs_l(struct_val1)" "= 51" \ | |
232 | "call inferior func with struct - returns long" | |
d426f7b4 MS |
233 | |
234 | if ![target_info exists gdb,skip_float_tests] { | |
235 | gdb_test "p t_structs_f(struct_val1)" "= 2.12.*" \ | |
236 | "call inferior func with struct - returns float" | |
237 | gdb_test "p t_structs_d(struct_val1)" "= 9.87.*" \ | |
238 | "call inferior func with struct - returns double" | |
239 | } | |
240 | ||
0578b8d1 YQ |
241 | if [support_complex_tests] { |
242 | ||
0578b8d1 YQ |
243 | gdb_test "p t_structs_fc(struct_val1)" ".*= 3 \\+ 3 \\* I" \ |
244 | "call inferior func with struct - returns float _Complex" | |
245 | ||
0578b8d1 YQ |
246 | gdb_test "p t_structs_dc(struct_val1)" ".*= 4 \\+ 4 \\* I" \ |
247 | "call inferior func with struct - returns double _Complex" | |
248 | ||
0578b8d1 YQ |
249 | gdb_test "p t_structs_ldc(struct_val1)" "= 5 \\+ 5 \\* I" \ |
250 | "call inferior func with struct - returns long double _Complex" | |
251 | } | |
252 | ||
248537e3 | 253 | gdb_test "p t_structs_a(struct_val1)" "= (.unsigned char .. )?<buf.*> \"foo\"" \ |
c906108c | 254 | "call inferior func with struct - returns char *" |
1aa99537 DE |
255 | |
256 | # Restore default value. | |
257 | gdb_test_no_output "set unwindonsignal off" | |
c906108c SS |
258 | } |
259 | ||
c7db355b | 260 | # Procedure to get current content of all registers. |
a2f1aeb4 | 261 | proc fetch_all_registers {test} { |
c7db355b | 262 | global gdb_prompt |
c7db355b | 263 | |
a2f1aeb4 UW |
264 | set all_registers_lines {} |
265 | set bad -1 | |
bcd5727b JK |
266 | # Former trailing `\[\r\n\]+' may eat just \r leaving \n in the buffer |
267 | # corrupting the next matches. | |
a2f1aeb4 | 268 | if {[gdb_test_multiple "info all-registers" $test { |
bcd5727b | 269 | -re "info all-registers\r\n" { |
a2f1aeb4 UW |
270 | exp_continue |
271 | } | |
272 | -ex "The program has no registers now" { | |
273 | set bad 1 | |
274 | exp_continue | |
275 | } | |
bcd5727b | 276 | -re "^bspstore\[ \t\]+\[^\r\n\]+\r\n" { |
783e3e2f AS |
277 | if [istarget "ia64-*-*"] { |
278 | # Filter out bspstore which is specially tied to bsp, | |
279 | # giving spurious differences. | |
a2f1aeb4 UW |
280 | } else { |
281 | lappend all_registers_lines $expect_out(0,string) | |
c642a434 UW |
282 | } |
283 | exp_continue | |
284 | } | |
285 | -re "^last_break\[ \t\]+\[^\r\n\]+\r\n" { | |
286 | if [istarget "s390*-*-*"] { | |
287 | # Filter out last_break which is read-only, | |
288 | # giving spurious differences. | |
289 | } else { | |
290 | lappend all_registers_lines $expect_out(0,string) | |
a2f1aeb4 UW |
291 | } |
292 | exp_continue | |
293 | } | |
bcd5727b | 294 | -re "^\[^ \t\]+\[ \t\]+\[^\r\n\]+\r\n" { |
a2f1aeb4 UW |
295 | lappend all_registers_lines $expect_out(0,string) |
296 | exp_continue | |
297 | } | |
bcd5727b | 298 | -re "$gdb_prompt $" { |
a2f1aeb4 UW |
299 | incr bad |
300 | } | |
bcd5727b | 301 | -re "^\[^\r\n\]+\r\n" { |
a2f1aeb4 UW |
302 | if {!$bad} { |
303 | warning "Unrecognized output: $expect_out(0,string)" | |
304 | set bad 1 | |
783e3e2f | 305 | } |
a2f1aeb4 | 306 | exp_continue |
c7db355b | 307 | } |
a2f1aeb4 UW |
308 | }] != 0} { |
309 | return {} | |
310 | } | |
311 | ||
312 | if {$bad} { | |
313 | fail $test | |
314 | return {} | |
c7db355b | 315 | } |
a2f1aeb4 UW |
316 | |
317 | pass $test | |
318 | return $all_registers_lines | |
c7db355b PS |
319 | } |
320 | ||
ff4d2c60 YQ |
321 | proc rerun_and_prepare {} { |
322 | global hp_aCC_compiler | |
323 | ||
324 | if { $hp_aCC_compiler } { | |
325 | # Do not set language explicitly to 'C'. This will cause aCC | |
326 | # tests to fail because promotion rules are different. Just let | |
327 | # the language be set to the default. | |
328 | ||
329 | if { ![runto_main] } { | |
4ec70201 | 330 | gdb_suppress_tests |
ff4d2c60 YQ |
331 | } |
332 | ||
333 | # However, turn off overload-resolution for aCC. Having it on causes | |
334 | # a lot of failures. | |
335 | ||
336 | gdb_test_no_output "set overload-resolution 0" | |
337 | } else { | |
ff4d2c60 | 338 | if { ![runto_main] } { |
4ec70201 | 339 | gdb_suppress_tests |
ff4d2c60 | 340 | } |
1cf0e11f | 341 | gdb_test_no_output "set language c" |
ff4d2c60 YQ |
342 | } |
343 | ||
344 | get_debug_format | |
345 | ||
346 | # Make sure that malloc gets called and that the floating point unit | |
347 | # is initialized via a call to t_double_values. | |
348 | gdb_test "next" "t_double_values\\(double_val1, double_val2\\);.*" \ | |
349 | "next to t_double_values" | |
350 | gdb_test "next" "t_structs_c\\(struct_val1\\);.*" \ | |
351 | "next to t_structs_c" | |
352 | } | |
353 | ||
a2f1aeb4 | 354 | |
c906108c SS |
355 | # Start with a fresh gdb. |
356 | ||
357 | gdb_exit | |
358 | gdb_start | |
359 | gdb_reinitialize_dir $srcdir/$subdir | |
360 | gdb_load ${binfile} | |
361 | ||
27d3a1a2 MS |
362 | gdb_test_no_output "set print sevenbit-strings" |
363 | gdb_test_no_output "set print address off" | |
364 | gdb_test_no_output "set width 0" | |
c906108c | 365 | |
ff4d2c60 | 366 | rerun_and_prepare |
c7db355b PS |
367 | |
368 | # Save all register contents. | |
a2f1aeb4 | 369 | set old_reg_content [fetch_all_registers "retrieve original register contents"] |
c7db355b PS |
370 | |
371 | # Perform function calls. | |
c906108c SS |
372 | do_function_calls |
373 | ||
c7db355b | 374 | # Check if all registers still have the same value. |
a2f1aeb4 UW |
375 | set new_reg_content [fetch_all_registers \ |
376 | "register contents after gdb function calls"] | |
377 | if {$old_reg_content == $new_reg_content} then { | |
c7db355b PS |
378 | pass "gdb function calls preserve register contents" |
379 | } else { | |
a2f1aeb4 | 380 | set old_reg_content $new_reg_content |
c7db355b PS |
381 | fail "gdb function calls preserve register contents" |
382 | } | |
383 | ||
ff4d2c60 YQ |
384 | rerun_and_prepare |
385 | # Save all register contents. | |
386 | set old_reg_content [fetch_all_registers "retrieve original register contents"] | |
387 | ||
c7db355b PS |
388 | # Set breakpoint at a function we will call from gdb. |
389 | gdb_breakpoint add | |
390 | ||
391 | # Call function (causing a breakpoint hit in the call dummy) and do a continue, | |
392 | # make sure we are back at main and still have the same register contents. | |
db62520a MS |
393 | gdb_test "print add(4,5)" \ |
394 | "The program being debugged stopped while.*" \ | |
395 | "stop at breakpoint in call dummy function" | |
c7db355b PS |
396 | gdb_test "continue" "Continuing.*" "continue from call dummy breakpoint" |
397 | if ![gdb_test "bt 2" \ | |
398 | "#0 main.*" \ | |
399 | "bt after continuing from call dummy breakpoint"] then { | |
a2f1aeb4 UW |
400 | set new_reg_content [fetch_all_registers \ |
401 | "register contents after stop in call dummy"] | |
402 | if {$old_reg_content == $new_reg_content} then { | |
c7db355b PS |
403 | pass "continue after stop in call dummy preserves register contents" |
404 | } else { | |
405 | fail "continue after stop in call dummy preserves register contents" | |
406 | } | |
407 | } | |
408 | ||
ff4d2c60 YQ |
409 | rerun_and_prepare |
410 | # Set breakpoint at a function we will call from gdb. | |
411 | gdb_breakpoint add | |
412 | # Save all register contents. | |
413 | set old_reg_content [fetch_all_registers "retrieve original register contents"] | |
414 | ||
c7db355b PS |
415 | # Call function (causing a breakpoint hit in the call dummy) and do a finish, |
416 | # make sure we are back at main and still have the same register contents. | |
ed4c619a AC |
417 | gdb_test "print add(4,5)" "The program being debugged stopped while.*" \ |
418 | "call function causing a breakpoint then do a finish" | |
c7db355b | 419 | gdb_test "finish" \ |
9549d9c1 | 420 | "Value returned is .* = 9" \ |
c7db355b PS |
421 | "finish from call dummy breakpoint returns correct value" |
422 | if ![gdb_test "bt 2" \ | |
423 | "#0 main.*" \ | |
424 | "bt after finishing from call dummy breakpoint"] then { | |
a2f1aeb4 UW |
425 | set new_reg_content [fetch_all_registers \ |
426 | "register contents after finish in call dummy"] | |
427 | if {$old_reg_content == $new_reg_content} then { | |
c7db355b PS |
428 | pass "finish after stop in call dummy preserves register contents" |
429 | } else { | |
430 | fail "finish after stop in call dummy preserves register contents" | |
431 | } | |
432 | } | |
433 | ||
ff4d2c60 YQ |
434 | rerun_and_prepare |
435 | # Set breakpoint at a function we will call from gdb. | |
436 | gdb_breakpoint add | |
437 | # Save all register contents. | |
438 | set old_reg_content [fetch_all_registers "retrieve original register contents"] | |
439 | ||
c7db355b PS |
440 | # Call function (causing a breakpoint hit in the call dummy) and do a return |
441 | # with a value, make sure we are back at main with the same register contents. | |
ed4c619a AC |
442 | gdb_test "print add(4,5)" "The program being debugged stopped while.*" \ |
443 | "call function causing a breakpoint and then do a return" | |
c7db355b PS |
444 | if ![gdb_test "return 7" \ |
445 | "#0 main.*" \ | |
446 | "back at main after return from call dummy breakpoint" \ | |
447 | "Make add return now. .y or n.*" \ | |
448 | "y"] then { | |
a2f1aeb4 UW |
449 | set new_reg_content [fetch_all_registers \ |
450 | "register contents after return in call dummy"] | |
451 | if {$old_reg_content == $new_reg_content} then { | |
c7db355b PS |
452 | pass "return after stop in call dummy preserves register contents" |
453 | } else { | |
454 | fail "return after stop in call dummy preserves register contents" | |
455 | } | |
456 | } | |
457 | ||
ff4d2c60 YQ |
458 | rerun_and_prepare |
459 | # Set breakpoint at a function we will call from gdb. | |
460 | gdb_breakpoint add | |
461 | set old_reg_content [fetch_all_registers "retrieve original register contents"] | |
462 | ||
db62520a MS |
463 | # Call function (causing a breakpoint hit in the call dummy), and |
464 | # call another function from the call dummy frame (thereby setting up | |
465 | # several nested call dummy frames). Test that backtrace and finish | |
466 | # work when several call dummies are nested. | |
467 | gdb_breakpoint sum10 | |
468 | gdb_breakpoint t_small_values | |
469 | gdb_test "print add(2,3)" "The program being debugged stopped while.*" \ | |
470 | "stop at nested call level 1" | |
471 | gdb_test "backtrace" \ | |
472 | "\#0 add \\(a=2, b=3\\).*\#1 <function called from gdb>.*\#2 main.*" \ | |
473 | "backtrace at nested call level 1" | |
474 | gdb_test "print add(4,5)" "The program being debugged stopped while.*" \ | |
475 | "stop at nested call level 2" | |
476 | gdb_test "backtrace" \ | |
477 | "\#0 add \\(a=4, b=5\\).*\#1 <function called from gdb>.*\#2 add \\(a=2, b=3\\).*\#3 <function called from gdb>.*\#4 main.*" \ | |
478 | "backtrace at nested call level 2" | |
479 | gdb_test "print sum10(2,4,6,8,10,12,14,16,18,20)" \ | |
480 | "The program being debugged stopped while.*" \ | |
481 | "stop at nested call level 3" | |
482 | gdb_test "backtrace" \ | |
483 | "\#0 sum10 \\(i0=2, i1=4, i2=6, i3=8, i4=10, i5=12, i6=14, i7=16, i8=18, i9=20\\).*\#1 <function called from gdb>.*\#2 add \\(a=4, b=5\\).*\#3 <function called from gdb>.*\#4 add \\(a=2, b=3\\).*\#5 <function called from gdb>.*\#6 main.*" \ | |
484 | "backtrace at nested call level 3" | |
485 | gdb_test "print t_small_values(1,3,5,7,9,11,13,15,17,19)" \ | |
486 | "The program being debugged stopped while.*" \ | |
487 | "stop at nested call level 4" | |
488 | gdb_test "backtrace" \ | |
30b66ecc | 489 | "\#0 t_small_values \\(arg1=1 '.001', arg2=3, arg3=5, arg4=7 '.a', arg5=9, arg6=11 '.v', arg7=13, arg8=15, arg9=17, arg10=19\\).*\#2 sum10 \\(i0=2, i1=4, i2=6, i3=8, i4=10, i5=12, i6=14, i7=16, i8=18, i9=20\\).*\#3 <function called from gdb>.*\#4 add \\(a=4, b=5\\).*\#5 <function called from gdb>.*\#6 add \\(a=2, b=3\\).*\#7 <function called from gdb>.*\#8 main.*" \ |
db62520a MS |
490 | "backtrace at nested call level 4" |
491 | gdb_test "finish" "Value returned is .* = 100" \ | |
492 | "Finish from nested call level 4" | |
493 | gdb_test "backtrace" \ | |
494 | "\#0 sum10 \\(i0=2, i1=4, i2=6, i3=8, i4=10, i5=12, i6=14, i7=16, i8=18, i9=20\\).*\#1 <function called from gdb>.*\#2 add \\(a=4, b=5\\).*\#3 <function called from gdb>.*\#4 add \\(a=2, b=3\\).*\#5 <function called from gdb>.*\#6 main.*" \ | |
495 | "backtrace after finish from nested call level 4" | |
496 | gdb_test "finish" "Value returned is .* = 110" \ | |
497 | "Finish from nested call level 3" | |
498 | gdb_test "backtrace" \ | |
499 | "\#0 add \\(a=4, b=5\\).*\#1 <function called from gdb>.*\#2 add \\(a=2, b=3\\).*\#3 <function called from gdb>.*\#4 main.*" \ | |
500 | "backtrace after finish from nested call level 3" | |
501 | gdb_test "finish" "Value returned is .* = 9" \ | |
502 | "Finish from nested call level 2" | |
503 | gdb_test "backtrace" \ | |
504 | "\#0 add \\(a=2, b=3\\).*\#1 <function called from gdb>.*\#2 main.*" \ | |
505 | "backtrace after finish from nested call level 2" | |
506 | gdb_test "finish" "Value returned is .* = 5" \ | |
507 | "Finish from nested call level 1" | |
508 | gdb_test "backtrace" "\#0 main .*" \ | |
509 | "backtrace after finish from nested call level 1" | |
510 | ||
a2f1aeb4 UW |
511 | set new_reg_content [fetch_all_registers \ |
512 | "register contents after nested call dummies"] | |
513 | if {$old_reg_content == $new_reg_content} then { | |
db62520a MS |
514 | pass "nested call dummies preserve register contents" |
515 | } else { | |
516 | fail "nested call dummies preserve register contents" | |
517 | } | |
518 | ||
0e095b7e JK |
519 | # GDB should not crash by internal error on $sp underflow during the inferior |
520 | # call. It is OK it will stop on some: Cannot access memory at address 0x$hex. | |
db62520a | 521 | |
0e095b7e JK |
522 | if {![target_info exists gdb,nosignals] && ![istarget "*-*-uclinux*"]} { |
523 | gdb_test {set $old_sp = $sp} | |
524 | ||
525 | gdb_test {set $sp = 0} | |
f6978de9 | 526 | gdb_test "call doubleit (1)" ".*" "sp == 0: call doubleit (1)" |
0e095b7e JK |
527 | |
528 | gdb_test {set $sp = -1} | |
f6978de9 | 529 | gdb_test "call doubleit (1)" ".*" "sp == -1: call doubleit (1)" |
0e095b7e JK |
530 | |
531 | gdb_test {set $sp = $old_sp} | |
532 | } | |
90359a16 JK |
533 | |
534 | # Test function descriptor resolution - the separate debug info .opd section | |
535 | # handling vs. local labels `.L'... as `Lcallfunc' starts with `L'. | |
536 | ||
537 | gdb_test "print callfunc (Lcallfunc, 5)" " = 12" | |
e314d629 TT |
538 | |
539 | # Regression test for function pointer cast. | |
540 | gdb_test "print *((int *(*) (void)) voidfunc)()" " = 23" |