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Commit | Line | Data |
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32d0add0 | 1 | # Copyright 1992-2015 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 | ||
9fbfe2dc AC |
26 | # Some targets can't do function calls, so don't even bother with this |
27 | # test. | |
c906108c SS |
28 | if [target_info exists gdb,cannot_call_functions] { |
29 | setup_xfail "*-*-*" 2416 | |
30 | fail "This target can not call functions" | |
31 | continue | |
32 | } | |
33 | ||
c906108c SS |
34 | # FIXME: Before calling this proc, we should probably verify that |
35 | # we can call inferior functions and get a valid integral value | |
36 | # returned. | |
37 | # Note that it is OK to check for 0 or 1 as the returned values, because C | |
38 | # specifies that the numeric value of a relational or logical expression | |
39 | # (computed in the inferior) is 1 for true and 0 for false. | |
40 | ||
41 | proc do_function_calls {} { | |
a0b3c4fd JM |
42 | global gdb_prompt |
43 | ||
c906108c | 44 | # We need to up this because this can be really slow on some boards. |
4ec70201 | 45 | set timeout 60 |
c906108c | 46 | |
1aa99537 DE |
47 | # If any of these calls segv we don't want to affect subsequent tests. |
48 | # E.g., we want to ensure register values are restored. | |
49 | gdb_test_no_output "set unwindonsignal on" | |
50 | ||
c906108c SS |
51 | gdb_test "p t_char_values(0,0)" " = 0" |
52 | gdb_test "p t_char_values('a','b')" " = 1" | |
53 | gdb_test "p t_char_values(char_val1,char_val2)" " = 1" | |
54 | gdb_test "p t_char_values('a',char_val2)" " = 1" | |
55 | gdb_test "p t_char_values(char_val1,'b')" " = 1" | |
56 | ||
57 | gdb_test "p t_short_values(0,0)" " = 0" | |
58 | gdb_test "p t_short_values(10,-23)" " = 1" | |
59 | gdb_test "p t_short_values(short_val1,short_val2)" " = 1" | |
60 | gdb_test "p t_short_values(10,short_val2)" " = 1" | |
61 | gdb_test "p t_short_values(short_val1,-23)" " = 1" | |
62 | ||
63 | gdb_test "p t_int_values(0,0)" " = 0" | |
64 | gdb_test "p t_int_values(87,-26)" " = 1" | |
65 | gdb_test "p t_int_values(int_val1,int_val2)" " = 1" | |
66 | gdb_test "p t_int_values(87,int_val2)" " = 1" | |
67 | gdb_test "p t_int_values(int_val1,-26)" " = 1" | |
68 | ||
69 | gdb_test "p t_long_values(0,0)" " = 0" | |
70 | gdb_test "p t_long_values(789,-321)" " = 1" | |
71 | gdb_test "p t_long_values(long_val1,long_val2)" " = 1" | |
72 | gdb_test "p t_long_values(789,long_val2)" " = 1" | |
73 | gdb_test "p t_long_values(long_val1,-321)" " = 1" | |
74 | ||
75 | if ![target_info exists gdb,skip_float_tests] { | |
76 | gdb_test "p t_float_values(0.0,0.0)" " = 0" | |
77 | ||
78 | # These next four tests fail on the mn10300. | |
79 | # The first value is passed in regs, the other in memory. | |
80 | # Gcc emits different stabs for the two parameters; the first is | |
81 | # claimed to be a float, the second a double. | |
82 | # dbxout.c in gcc claims this is the desired behavior. | |
a6c727b2 DJ |
83 | # These tests also fail for RealView, because GDB can not tell that |
84 | # the function is unprototyped. | |
a0b3c4fd | 85 | setup_xfail "mn10300-*-*" |
a6c727b2 | 86 | if { [test_compiler_info "armcc-*"] } { setup_xfail "*-*-*" } |
c906108c | 87 | gdb_test "p t_float_values(3.14159,-2.3765)" " = 1" |
a0b3c4fd | 88 | setup_xfail "mn10300-*-*" |
a6c727b2 | 89 | if { [test_compiler_info "armcc-*"] } { setup_xfail "*-*-*" } |
c906108c | 90 | gdb_test "p t_float_values(float_val1,float_val2)" " = 1" |
a0b3c4fd | 91 | setup_xfail "mn10300-*-*" |
a6c727b2 | 92 | if { [test_compiler_info "armcc-*"] } { setup_xfail "*-*-*" } |
c906108c | 93 | gdb_test "p t_float_values(3.14159,float_val2)" " = 1" |
a0b3c4fd | 94 | setup_xfail "mn10300-*-*" |
a6c727b2 | 95 | if { [test_compiler_info "armcc-*"] } { setup_xfail "*-*-*" } |
c906108c SS |
96 | gdb_test "p t_float_values(float_val1,-2.3765)" " = 1" |
97 | ||
98 | # Test passing of arguments which might not be widened. | |
99 | gdb_test "p t_float_values2(0.0,0.0)" " = 0" | |
100 | ||
c906108c | 101 | gdb_test "p t_float_values2(3.14159,float_val2)" " = 1" |
0bc69509 | 102 | |
1a4ca44a TJB |
103 | 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." |
104 | ||
c906108c SS |
105 | gdb_test "p t_small_values(1,2,3,4,5,6,7,8,9,10)" " = 55" |
106 | ||
107 | gdb_test "p t_double_values(0.0,0.0)" " = 0" | |
108 | gdb_test "p t_double_values(45.654,-67.66)" " = 1" | |
109 | gdb_test "p t_double_values(double_val1,double_val2)" " = 1" | |
110 | gdb_test "p t_double_values(45.654,double_val2)" " = 1" | |
111 | gdb_test "p t_double_values(double_val1,-67.66)" " = 1" | |
8d26208a | 112 | |
1a4ca44a TJB |
113 | 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." |
114 | ||
8d26208a DJ |
115 | gdb_test "p t_double_int(99.0, 1)" " = 0" |
116 | gdb_test "p t_double_int(99.0, 99)" " = 1" | |
117 | gdb_test "p t_int_double(99, 1.0)" " = 0" | |
118 | gdb_test "p t_int_double(99, 99.0)" " = 1" | |
c906108c SS |
119 | } |
120 | ||
0578b8d1 | 121 | if [support_complex_tests] { |
0578b8d1 YQ |
122 | gdb_test "p t_float_complex_values(fc1, fc2)" " = 1" |
123 | gdb_test "p t_float_complex_values(fc3, fc4)" " = 0" | |
124 | ||
0578b8d1 YQ |
125 | 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" |
126 | 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" | |
127 | ||
0578b8d1 YQ |
128 | gdb_test "p t_double_complex_values(dc1, dc2)" " = 1" |
129 | gdb_test "p t_double_complex_values(dc3, dc4)" " = 0" | |
130 | ||
0578b8d1 YQ |
131 | 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" |
132 | 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" | |
133 | ||
134 | gdb_test "p t_long_double_complex_values(ldc1, ldc2)" " = 1" | |
135 | gdb_test "p t_long_double_complex_values(ldc3, ldc4)" " = 0" | |
136 | 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" | |
137 | 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" | |
138 | } | |
139 | ||
c906108c SS |
140 | gdb_test "p t_string_values(string_val2,string_val1)" " = 0" |
141 | gdb_test "p t_string_values(string_val1,string_val2)" " = 1" | |
142 | gdb_test "p t_string_values(\"string 1\",\"string 2\")" " = 1" | |
143 | gdb_test "p t_string_values(\"string 1\",string_val2)" " = 1" | |
144 | gdb_test "p t_string_values(string_val1,\"string 2\")" " = 1" | |
145 | ||
146 | gdb_test "p t_char_array_values(char_array_val2,char_array_val1)" " = 0" | |
147 | gdb_test "p t_char_array_values(char_array_val1,char_array_val2)" " = 1" | |
148 | gdb_test "p t_char_array_values(\"carray 1\",\"carray 2\")" " = 1" | |
149 | gdb_test "p t_char_array_values(\"carray 1\",char_array_val2)" " = 1" | |
150 | gdb_test "p t_char_array_values(char_array_val1,\"carray 2\")" " = 1" | |
151 | ||
152 | gdb_test "p doubleit(4)" " = 8" | |
153 | gdb_test "p add(4,5)" " = 9" | |
154 | gdb_test "p t_func_values(func_val2,func_val1)" " = 0" | |
155 | gdb_test "p t_func_values(func_val1,func_val2)" " = 1" | |
156 | ||
fa8de41e TT |
157 | gdb_test "p function_struct.func(5)" " = 10" |
158 | gdb_test "p function_struct_ptr->func(10)" " = 20" | |
159 | ||
eac98b22 AC |
160 | # GDB currently screws up the passing of function parameters for |
161 | # ABIs that use function descriptors. Instead of passing the | |
162 | # address of te function descriptor, GDB passes the address of the | |
163 | # function body. This results in the called function treating the | |
164 | # first few instructions of the function proper as a descriptor | |
165 | # and attempting a jump through that (a totally random address). | |
bbc8b958 TT |
166 | setup_kfail gdb/1457 "rs6000*-*-aix*" |
167 | setup_kfail gdb/1457 "powerpc*-*-aix*" | |
eac98b22 | 168 | gdb_test "p t_func_values(add,func_val2)" " = 1" |
bbc8b958 TT |
169 | setup_kfail gdb/1457 "rs6000*-*-aix*" |
170 | setup_kfail gdb/1457 "powerpc*-*-aix*" | |
eac98b22 | 171 | gdb_test "p t_func_values(func_val1,doubleit)" " = 1" |
bbc8b958 TT |
172 | setup_kfail gdb/1457 "rs6000*-*-aix*" |
173 | setup_kfail gdb/1457 "powerpc*-*-aix*" | |
eac98b22 | 174 | gdb_test "p t_call_add(add,3,4)" " = 7" |
a0b3c4fd | 175 | gdb_test "p t_call_add(func_val1,3,4)" " = 7" |
c906108c SS |
176 | |
177 | gdb_test "p t_enum_value1(enumval1)" " = 1" | |
178 | gdb_test "p t_enum_value1(enum_val1)" " = 1" | |
179 | gdb_test "p t_enum_value1(enum_val2)" " = 0" | |
180 | ||
181 | gdb_test "p t_enum_value2(enumval2)" " = 1" | |
182 | gdb_test "p t_enum_value2(enum_val2)" " = 1" | |
183 | gdb_test "p t_enum_value2(enum_val1)" " = 0" | |
184 | ||
185 | gdb_test "p sum_args(1,{2})" " = 2" | |
186 | gdb_test "p sum_args(2,{2,3})" " = 5" | |
187 | gdb_test "p sum_args(3,{2,3,4})" " = 9" | |
188 | gdb_test "p sum_args(4,{2,3,4,5})" " = 14" | |
189 | ||
190 | gdb_test "p sum10 (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)" " = 55" | |
191 | ||
192 | gdb_test "p cmp10 (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)" " = 1" | |
193 | ||
194 | gdb_test "p t_structs_c(struct_val1)" "= 120 'x'" \ | |
195 | "call inferior func with struct - returns char" | |
196 | gdb_test "p t_structs_s(struct_val1)" "= 87" \ | |
fd7832a6 | 197 | "call inferior func with struct - returns short" |
c906108c SS |
198 | gdb_test "p t_structs_i(struct_val1)" "= 76" \ |
199 | "call inferior func with struct - returns int" | |
200 | gdb_test "p t_structs_l(struct_val1)" "= 51" \ | |
201 | "call inferior func with struct - returns long" | |
d426f7b4 MS |
202 | |
203 | if ![target_info exists gdb,skip_float_tests] { | |
204 | gdb_test "p t_structs_f(struct_val1)" "= 2.12.*" \ | |
205 | "call inferior func with struct - returns float" | |
206 | gdb_test "p t_structs_d(struct_val1)" "= 9.87.*" \ | |
207 | "call inferior func with struct - returns double" | |
208 | } | |
209 | ||
0578b8d1 YQ |
210 | if [support_complex_tests] { |
211 | ||
0578b8d1 YQ |
212 | gdb_test "p t_structs_fc(struct_val1)" ".*= 3 \\+ 3 \\* I" \ |
213 | "call inferior func with struct - returns float _Complex" | |
214 | ||
0578b8d1 YQ |
215 | gdb_test "p t_structs_dc(struct_val1)" ".*= 4 \\+ 4 \\* I" \ |
216 | "call inferior func with struct - returns double _Complex" | |
217 | ||
0578b8d1 YQ |
218 | gdb_test "p t_structs_ldc(struct_val1)" "= 5 \\+ 5 \\* I" \ |
219 | "call inferior func with struct - returns long double _Complex" | |
220 | } | |
221 | ||
b326e587 | 222 | gdb_test "p t_structs_a(struct_val1)" "= (.unsigned char .. )?<.*buf.*> \"foo\"" \ |
c906108c | 223 | "call inferior func with struct - returns char *" |
1aa99537 DE |
224 | |
225 | # Restore default value. | |
226 | gdb_test_no_output "set unwindonsignal off" | |
c906108c SS |
227 | } |
228 | ||
c7db355b | 229 | # Procedure to get current content of all registers. |
a2f1aeb4 | 230 | proc fetch_all_registers {test} { |
c7db355b | 231 | global gdb_prompt |
c7db355b | 232 | |
a2f1aeb4 UW |
233 | set all_registers_lines {} |
234 | set bad -1 | |
bcd5727b JK |
235 | # Former trailing `\[\r\n\]+' may eat just \r leaving \n in the buffer |
236 | # corrupting the next matches. | |
a2f1aeb4 | 237 | if {[gdb_test_multiple "info all-registers" $test { |
bcd5727b | 238 | -re "info all-registers\r\n" { |
a2f1aeb4 UW |
239 | exp_continue |
240 | } | |
241 | -ex "The program has no registers now" { | |
242 | set bad 1 | |
243 | exp_continue | |
244 | } | |
bcd5727b | 245 | -re "^bspstore\[ \t\]+\[^\r\n\]+\r\n" { |
783e3e2f AS |
246 | if [istarget "ia64-*-*"] { |
247 | # Filter out bspstore which is specially tied to bsp, | |
248 | # giving spurious differences. | |
a2f1aeb4 UW |
249 | } else { |
250 | lappend all_registers_lines $expect_out(0,string) | |
c642a434 UW |
251 | } |
252 | exp_continue | |
253 | } | |
bb097445 JM |
254 | -re "^pstate\[ \t\]+\[^\r\n\]+\r\n" { |
255 | if [istarget "sparc64-*-linux-gnu"] { | |
256 | # Filter out the pstate register, since in sparc64 | |
257 | # targets the Linux kernel disables pstate.PEF when | |
258 | # returning from traps, giving spurious differences. | |
259 | } else { | |
260 | lappend all_registers_lines $expect_out(0,string) | |
261 | } | |
262 | exp_continue | |
263 | } | |
c642a434 UW |
264 | -re "^last_break\[ \t\]+\[^\r\n\]+\r\n" { |
265 | if [istarget "s390*-*-*"] { | |
266 | # Filter out last_break which is read-only, | |
267 | # giving spurious differences. | |
268 | } else { | |
269 | lappend all_registers_lines $expect_out(0,string) | |
a2f1aeb4 UW |
270 | } |
271 | exp_continue | |
272 | } | |
bcd5727b | 273 | -re "^\[^ \t\]+\[ \t\]+\[^\r\n\]+\r\n" { |
a2f1aeb4 UW |
274 | lappend all_registers_lines $expect_out(0,string) |
275 | exp_continue | |
276 | } | |
bcd5727b | 277 | -re "$gdb_prompt $" { |
a2f1aeb4 UW |
278 | incr bad |
279 | } | |
bcd5727b | 280 | -re "^\[^\r\n\]+\r\n" { |
a2f1aeb4 UW |
281 | if {!$bad} { |
282 | warning "Unrecognized output: $expect_out(0,string)" | |
283 | set bad 1 | |
783e3e2f | 284 | } |
a2f1aeb4 | 285 | exp_continue |
c7db355b | 286 | } |
a2f1aeb4 UW |
287 | }] != 0} { |
288 | return {} | |
289 | } | |
290 | ||
291 | if {$bad} { | |
292 | fail $test | |
293 | return {} | |
c7db355b | 294 | } |
a2f1aeb4 UW |
295 | |
296 | pass $test | |
297 | return $all_registers_lines | |
c7db355b PS |
298 | } |
299 | ||
ff4d2c60 | 300 | proc rerun_and_prepare {} { |
a5a06887 AA |
301 | if { ![runto_main] } { |
302 | gdb_suppress_tests | |
303 | } | |
b6304613 SM |
304 | |
305 | gdb_test_no_output "set language c" | |
ff4d2c60 YQ |
306 | |
307 | get_debug_format | |
308 | ||
309 | # Make sure that malloc gets called and that the floating point unit | |
310 | # is initialized via a call to t_double_values. | |
311 | gdb_test "next" "t_double_values\\(double_val1, double_val2\\);.*" \ | |
312 | "next to t_double_values" | |
313 | gdb_test "next" "t_structs_c\\(struct_val1\\);.*" \ | |
314 | "next to t_structs_c" | |
315 | } | |
316 | ||
a5a06887 | 317 | proc perform_all_tests {} { |
8008f2a7 AA |
318 | gdb_test_no_output "set print sevenbit-strings" |
319 | gdb_test_no_output "set print address off" | |
320 | gdb_test_no_output "set width 0" | |
ff4d2c60 | 321 | |
8008f2a7 | 322 | rerun_and_prepare |
c7db355b | 323 | |
8008f2a7 AA |
324 | # Save all register contents. |
325 | set old_reg_content [fetch_all_registers "retrieve original register contents"] | |
c7db355b | 326 | |
8008f2a7 AA |
327 | # Perform function calls. |
328 | do_function_calls | |
ff4d2c60 | 329 | |
8008f2a7 | 330 | # Check if all registers still have the same value. |
a2f1aeb4 | 331 | set new_reg_content [fetch_all_registers \ |
8008f2a7 | 332 | "register contents after gdb function calls"] |
a2f1aeb4 | 333 | if {$old_reg_content == $new_reg_content} then { |
8008f2a7 | 334 | pass "gdb function calls preserve register contents" |
c7db355b | 335 | } else { |
8008f2a7 AA |
336 | set old_reg_content $new_reg_content |
337 | fail "gdb function calls preserve register contents" | |
c7db355b | 338 | } |
c7db355b | 339 | |
8008f2a7 AA |
340 | rerun_and_prepare |
341 | # Save all register contents. | |
342 | set old_reg_content [fetch_all_registers "retrieve original register contents"] | |
ff4d2c60 | 343 | |
8008f2a7 AA |
344 | # Set breakpoint at a function we will call from gdb. |
345 | gdb_breakpoint add | |
c7db355b | 346 | |
8008f2a7 AA |
347 | # Call function (causing a breakpoint hit in the call dummy) and do a continue, |
348 | # make sure we are back at main and still have the same register contents. | |
349 | gdb_test "print add(4,5)" \ | |
350 | "The program being debugged stopped while.*" \ | |
351 | "stop at breakpoint in call dummy function" | |
352 | gdb_test "continue" "Continuing.*" "continue from call dummy breakpoint" | |
353 | if ![gdb_test "bt 2" \ | |
354 | "#0 main.*" \ | |
355 | "bt after continuing from call dummy breakpoint"] then { | |
356 | set new_reg_content [fetch_all_registers \ | |
357 | "register contents after stop in call dummy"] | |
358 | if {$old_reg_content == $new_reg_content} then { | |
359 | pass "continue after stop in call dummy preserves register contents" | |
360 | } else { | |
361 | fail "continue after stop in call dummy preserves register contents" | |
362 | } | |
363 | } | |
364 | ||
365 | rerun_and_prepare | |
366 | # Set breakpoint at a function we will call from gdb. | |
367 | gdb_breakpoint add | |
368 | # Save all register contents. | |
369 | set old_reg_content [fetch_all_registers "retrieve original register contents"] | |
370 | ||
371 | # Call function (causing a breakpoint hit in the call dummy) and do a finish, | |
372 | # make sure we are back at main and still have the same register contents. | |
373 | gdb_test "print add(4,5)" "The program being debugged stopped while.*" \ | |
374 | "call function causing a breakpoint then do a finish" | |
375 | gdb_test "finish" \ | |
376 | "Value returned is .* = 9" \ | |
377 | "finish from call dummy breakpoint returns correct value" | |
378 | if ![gdb_test "bt 2" \ | |
379 | "#0 main.*" \ | |
380 | "bt after finishing from call dummy breakpoint"] then { | |
381 | set new_reg_content [fetch_all_registers \ | |
382 | "register contents after finish in call dummy"] | |
383 | if {$old_reg_content == $new_reg_content} then { | |
384 | pass "finish after stop in call dummy preserves register contents" | |
385 | } else { | |
386 | fail "finish after stop in call dummy preserves register contents" | |
387 | } | |
388 | } | |
389 | ||
390 | rerun_and_prepare | |
391 | # Set breakpoint at a function we will call from gdb. | |
392 | gdb_breakpoint add | |
393 | # Save all register contents. | |
394 | set old_reg_content [fetch_all_registers "retrieve original register contents"] | |
395 | ||
396 | # Call function (causing a breakpoint hit in the call dummy) and do a return | |
397 | # with a value, make sure we are back at main with the same register contents. | |
398 | gdb_test "print add(4,5)" "The program being debugged stopped while.*" \ | |
399 | "call function causing a breakpoint and then do a return" | |
400 | if ![gdb_test "return 7" \ | |
401 | "#0 main.*" \ | |
402 | "back at main after return from call dummy breakpoint" \ | |
403 | "Make add return now. .y or n.*" \ | |
404 | "y"] then { | |
405 | set new_reg_content [fetch_all_registers \ | |
406 | "register contents after return in call dummy"] | |
407 | if {$old_reg_content == $new_reg_content} then { | |
408 | pass "return after stop in call dummy preserves register contents" | |
409 | } else { | |
410 | fail "return after stop in call dummy preserves register contents" | |
411 | } | |
412 | } | |
413 | ||
414 | rerun_and_prepare | |
415 | # Set breakpoint at a function we will call from gdb. | |
416 | gdb_breakpoint add | |
417 | set old_reg_content [fetch_all_registers "retrieve original register contents"] | |
418 | ||
419 | # Call function (causing a breakpoint hit in the call dummy), and | |
420 | # call another function from the call dummy frame (thereby setting up | |
421 | # several nested call dummy frames). Test that backtrace and finish | |
422 | # work when several call dummies are nested. | |
423 | gdb_breakpoint sum10 | |
424 | gdb_breakpoint t_small_values | |
425 | gdb_test "print add(2,3)" "The program being debugged stopped while.*" \ | |
db62520a | 426 | "stop at nested call level 1" |
8008f2a7 | 427 | gdb_test "backtrace" \ |
db62520a MS |
428 | "\#0 add \\(a=2, b=3\\).*\#1 <function called from gdb>.*\#2 main.*" \ |
429 | "backtrace at nested call level 1" | |
8008f2a7 | 430 | gdb_test "print add(4,5)" "The program being debugged stopped while.*" \ |
db62520a | 431 | "stop at nested call level 2" |
8008f2a7 | 432 | gdb_test "backtrace" \ |
db62520a MS |
433 | "\#0 add \\(a=4, b=5\\).*\#1 <function called from gdb>.*\#2 add \\(a=2, b=3\\).*\#3 <function called from gdb>.*\#4 main.*" \ |
434 | "backtrace at nested call level 2" | |
8008f2a7 | 435 | gdb_test "print sum10(2,4,6,8,10,12,14,16,18,20)" \ |
db62520a MS |
436 | "The program being debugged stopped while.*" \ |
437 | "stop at nested call level 3" | |
8008f2a7 | 438 | gdb_test "backtrace" \ |
db62520a MS |
439 | "\#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.*" \ |
440 | "backtrace at nested call level 3" | |
8008f2a7 | 441 | gdb_test "print t_small_values(1,3,5,7,9,11,13,15,17,19)" \ |
db62520a MS |
442 | "The program being debugged stopped while.*" \ |
443 | "stop at nested call level 4" | |
8008f2a7 | 444 | gdb_test "backtrace" \ |
30b66ecc | 445 | "\#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 | 446 | "backtrace at nested call level 4" |
8008f2a7 | 447 | gdb_test "finish" "Value returned is .* = 100" \ |
db62520a | 448 | "Finish from nested call level 4" |
8008f2a7 | 449 | gdb_test "backtrace" \ |
db62520a MS |
450 | "\#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.*" \ |
451 | "backtrace after finish from nested call level 4" | |
8008f2a7 | 452 | gdb_test "finish" "Value returned is .* = 110" \ |
db62520a | 453 | "Finish from nested call level 3" |
8008f2a7 | 454 | gdb_test "backtrace" \ |
db62520a MS |
455 | "\#0 add \\(a=4, b=5\\).*\#1 <function called from gdb>.*\#2 add \\(a=2, b=3\\).*\#3 <function called from gdb>.*\#4 main.*" \ |
456 | "backtrace after finish from nested call level 3" | |
8008f2a7 | 457 | gdb_test "finish" "Value returned is .* = 9" \ |
db62520a | 458 | "Finish from nested call level 2" |
8008f2a7 | 459 | gdb_test "backtrace" \ |
db62520a MS |
460 | "\#0 add \\(a=2, b=3\\).*\#1 <function called from gdb>.*\#2 main.*" \ |
461 | "backtrace after finish from nested call level 2" | |
8008f2a7 | 462 | gdb_test "finish" "Value returned is .* = 5" \ |
db62520a | 463 | "Finish from nested call level 1" |
8008f2a7 | 464 | gdb_test "backtrace" "\#0 main .*" \ |
db62520a MS |
465 | "backtrace after finish from nested call level 1" |
466 | ||
8008f2a7 AA |
467 | set new_reg_content [fetch_all_registers \ |
468 | "register contents after nested call dummies"] | |
469 | if {$old_reg_content == $new_reg_content} then { | |
470 | pass "nested call dummies preserve register contents" | |
471 | } else { | |
472 | fail "nested call dummies preserve register contents" | |
473 | } | |
db62520a | 474 | |
8008f2a7 AA |
475 | # GDB should not crash by internal error on $sp underflow during the inferior |
476 | # call. It is OK it will stop on some: Cannot access memory at address 0x$hex. | |
db62520a | 477 | |
8008f2a7 AA |
478 | if {![target_info exists gdb,nosignals] && ![istarget "*-*-uclinux*"]} { |
479 | gdb_test {set $old_sp = $sp} | |
0e095b7e | 480 | |
8008f2a7 AA |
481 | gdb_test {set $sp = 0} |
482 | gdb_test "call doubleit (1)" ".*" "sp == 0: call doubleit (1)" | |
0e095b7e | 483 | |
8008f2a7 AA |
484 | gdb_test {set $sp = -1} |
485 | gdb_test "call doubleit (1)" ".*" "sp == -1: call doubleit (1)" | |
0e095b7e | 486 | |
8008f2a7 AA |
487 | gdb_test {set $sp = $old_sp} |
488 | } | |
90359a16 | 489 | |
8008f2a7 AA |
490 | # Test function descriptor resolution - the separate debug info .opd section |
491 | # handling vs. local labels `.L'... as `Lcallfunc' starts with `L'. | |
90359a16 | 492 | |
8008f2a7 | 493 | gdb_test "print callfunc (Lcallfunc, 5)" " = 12" |
e314d629 | 494 | |
8008f2a7 AA |
495 | # Regression test for function pointer cast. |
496 | gdb_test "print *((int *(*) (void)) voidfunc)()" " = 23" | |
a5a06887 AA |
497 | } |
498 | ||
499 | # Perform all tests with and without function prototypes. | |
500 | ||
501 | if { ![prepare_for_testing ${testfile}.exp $testfile $srcfile "$compile_flags additional_flags=-DPROTOTYPES"] } { | |
502 | perform_all_tests | |
503 | } | |
504 | ||
505 | if { ![prepare_for_testing ${testfile}.exp $testfile $srcfile "$compile_flags additional_flags=-DNO_PROTOTYPES"] } { | |
506 | with_test_prefix "noproto" perform_all_tests | |
507 | } |