Commit | Line | Data |
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618f726f | 1 | # Copyright 1992-2016 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 | 28 | if [target_info exists gdb,cannot_call_functions] { |
bc6c7af4 | 29 | unsupported "this target can not call functions" |
c906108c SS |
30 | continue |
31 | } | |
32 | ||
27aba047 YQ |
33 | set skip_float_test [gdb_skip_float_test] |
34 | ||
c906108c SS |
35 | # FIXME: Before calling this proc, we should probably verify that |
36 | # we can call inferior functions and get a valid integral value | |
37 | # returned. | |
38 | # Note that it is OK to check for 0 or 1 as the returned values, because C | |
39 | # specifies that the numeric value of a relational or logical expression | |
40 | # (computed in the inferior) is 1 for true and 0 for false. | |
41 | ||
42 | proc do_function_calls {} { | |
27aba047 | 43 | global gdb_prompt skip_float_test |
a0b3c4fd | 44 | |
c906108c | 45 | # We need to up this because this can be really slow on some boards. |
4ec70201 | 46 | set timeout 60 |
c906108c | 47 | |
1aa99537 DE |
48 | # If any of these calls segv we don't want to affect subsequent tests. |
49 | # E.g., we want to ensure register values are restored. | |
50 | gdb_test_no_output "set unwindonsignal on" | |
51 | ||
c906108c SS |
52 | gdb_test "p t_char_values(0,0)" " = 0" |
53 | gdb_test "p t_char_values('a','b')" " = 1" | |
54 | gdb_test "p t_char_values(char_val1,char_val2)" " = 1" | |
55 | gdb_test "p t_char_values('a',char_val2)" " = 1" | |
56 | gdb_test "p t_char_values(char_val1,'b')" " = 1" | |
57 | ||
58 | gdb_test "p t_short_values(0,0)" " = 0" | |
59 | gdb_test "p t_short_values(10,-23)" " = 1" | |
60 | gdb_test "p t_short_values(short_val1,short_val2)" " = 1" | |
61 | gdb_test "p t_short_values(10,short_val2)" " = 1" | |
62 | gdb_test "p t_short_values(short_val1,-23)" " = 1" | |
63 | ||
64 | gdb_test "p t_int_values(0,0)" " = 0" | |
65 | gdb_test "p t_int_values(87,-26)" " = 1" | |
66 | gdb_test "p t_int_values(int_val1,int_val2)" " = 1" | |
67 | gdb_test "p t_int_values(87,int_val2)" " = 1" | |
68 | gdb_test "p t_int_values(int_val1,-26)" " = 1" | |
69 | ||
70 | gdb_test "p t_long_values(0,0)" " = 0" | |
71 | gdb_test "p t_long_values(789,-321)" " = 1" | |
72 | gdb_test "p t_long_values(long_val1,long_val2)" " = 1" | |
73 | gdb_test "p t_long_values(789,long_val2)" " = 1" | |
74 | gdb_test "p t_long_values(long_val1,-321)" " = 1" | |
75 | ||
27aba047 | 76 | if {!$skip_float_test} { |
c906108c SS |
77 | gdb_test "p t_float_values(0.0,0.0)" " = 0" |
78 | ||
79 | # These next four tests fail on the mn10300. | |
80 | # The first value is passed in regs, the other in memory. | |
81 | # Gcc emits different stabs for the two parameters; the first is | |
82 | # claimed to be a float, the second a double. | |
83 | # dbxout.c in gcc claims this is the desired behavior. | |
a6c727b2 DJ |
84 | # These tests also fail for RealView, because GDB can not tell that |
85 | # the function is unprototyped. | |
a0b3c4fd | 86 | setup_xfail "mn10300-*-*" |
a6c727b2 | 87 | if { [test_compiler_info "armcc-*"] } { setup_xfail "*-*-*" } |
c906108c | 88 | gdb_test "p t_float_values(3.14159,-2.3765)" " = 1" |
a0b3c4fd | 89 | setup_xfail "mn10300-*-*" |
a6c727b2 | 90 | if { [test_compiler_info "armcc-*"] } { setup_xfail "*-*-*" } |
c906108c | 91 | gdb_test "p t_float_values(float_val1,float_val2)" " = 1" |
a0b3c4fd | 92 | setup_xfail "mn10300-*-*" |
a6c727b2 | 93 | if { [test_compiler_info "armcc-*"] } { setup_xfail "*-*-*" } |
c906108c | 94 | gdb_test "p t_float_values(3.14159,float_val2)" " = 1" |
a0b3c4fd | 95 | setup_xfail "mn10300-*-*" |
a6c727b2 | 96 | if { [test_compiler_info "armcc-*"] } { setup_xfail "*-*-*" } |
c906108c SS |
97 | gdb_test "p t_float_values(float_val1,-2.3765)" " = 1" |
98 | ||
99 | # Test passing of arguments which might not be widened. | |
100 | gdb_test "p t_float_values2(0.0,0.0)" " = 0" | |
101 | ||
c906108c | 102 | gdb_test "p t_float_values2(3.14159,float_val2)" " = 1" |
0bc69509 | 103 | |
1a4ca44a TJB |
104 | 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." |
105 | ||
c906108c SS |
106 | gdb_test "p t_small_values(1,2,3,4,5,6,7,8,9,10)" " = 55" |
107 | ||
108 | gdb_test "p t_double_values(0.0,0.0)" " = 0" | |
109 | gdb_test "p t_double_values(45.654,-67.66)" " = 1" | |
110 | gdb_test "p t_double_values(double_val1,double_val2)" " = 1" | |
111 | gdb_test "p t_double_values(45.654,double_val2)" " = 1" | |
112 | gdb_test "p t_double_values(double_val1,-67.66)" " = 1" | |
8d26208a | 113 | |
1a4ca44a TJB |
114 | 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." |
115 | ||
8d26208a DJ |
116 | gdb_test "p t_double_int(99.0, 1)" " = 0" |
117 | gdb_test "p t_double_int(99.0, 99)" " = 1" | |
118 | gdb_test "p t_int_double(99, 1.0)" " = 0" | |
119 | gdb_test "p t_int_double(99, 99.0)" " = 1" | |
c906108c SS |
120 | } |
121 | ||
0578b8d1 | 122 | if [support_complex_tests] { |
0578b8d1 YQ |
123 | gdb_test "p t_float_complex_values(fc1, fc2)" " = 1" |
124 | gdb_test "p t_float_complex_values(fc3, fc4)" " = 0" | |
125 | ||
0578b8d1 YQ |
126 | 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" |
127 | 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" | |
128 | ||
0578b8d1 YQ |
129 | gdb_test "p t_double_complex_values(dc1, dc2)" " = 1" |
130 | gdb_test "p t_double_complex_values(dc3, dc4)" " = 0" | |
131 | ||
0578b8d1 YQ |
132 | 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" |
133 | 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" | |
134 | ||
135 | gdb_test "p t_long_double_complex_values(ldc1, ldc2)" " = 1" | |
136 | gdb_test "p t_long_double_complex_values(ldc3, ldc4)" " = 0" | |
137 | 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" | |
138 | 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" | |
139 | } | |
140 | ||
c906108c SS |
141 | gdb_test "p t_string_values(string_val2,string_val1)" " = 0" |
142 | gdb_test "p t_string_values(string_val1,string_val2)" " = 1" | |
143 | gdb_test "p t_string_values(\"string 1\",\"string 2\")" " = 1" | |
144 | gdb_test "p t_string_values(\"string 1\",string_val2)" " = 1" | |
145 | gdb_test "p t_string_values(string_val1,\"string 2\")" " = 1" | |
146 | ||
147 | gdb_test "p t_char_array_values(char_array_val2,char_array_val1)" " = 0" | |
148 | gdb_test "p t_char_array_values(char_array_val1,char_array_val2)" " = 1" | |
149 | gdb_test "p t_char_array_values(\"carray 1\",\"carray 2\")" " = 1" | |
150 | gdb_test "p t_char_array_values(\"carray 1\",char_array_val2)" " = 1" | |
151 | gdb_test "p t_char_array_values(char_array_val1,\"carray 2\")" " = 1" | |
152 | ||
153 | gdb_test "p doubleit(4)" " = 8" | |
154 | gdb_test "p add(4,5)" " = 9" | |
155 | gdb_test "p t_func_values(func_val2,func_val1)" " = 0" | |
156 | gdb_test "p t_func_values(func_val1,func_val2)" " = 1" | |
157 | ||
fa8de41e TT |
158 | gdb_test "p function_struct.func(5)" " = 10" |
159 | gdb_test "p function_struct_ptr->func(10)" " = 20" | |
160 | ||
eac98b22 AC |
161 | # GDB currently screws up the passing of function parameters for |
162 | # ABIs that use function descriptors. Instead of passing the | |
163 | # address of te function descriptor, GDB passes the address of the | |
164 | # function body. This results in the called function treating the | |
165 | # first few instructions of the function proper as a descriptor | |
166 | # and attempting a jump through that (a totally random address). | |
bbc8b958 TT |
167 | setup_kfail gdb/1457 "rs6000*-*-aix*" |
168 | setup_kfail gdb/1457 "powerpc*-*-aix*" | |
eac98b22 | 169 | gdb_test "p t_func_values(add,func_val2)" " = 1" |
bbc8b958 TT |
170 | setup_kfail gdb/1457 "rs6000*-*-aix*" |
171 | setup_kfail gdb/1457 "powerpc*-*-aix*" | |
eac98b22 | 172 | gdb_test "p t_func_values(func_val1,doubleit)" " = 1" |
bbc8b958 TT |
173 | setup_kfail gdb/1457 "rs6000*-*-aix*" |
174 | setup_kfail gdb/1457 "powerpc*-*-aix*" | |
eac98b22 | 175 | gdb_test "p t_call_add(add,3,4)" " = 7" |
a0b3c4fd | 176 | gdb_test "p t_call_add(func_val1,3,4)" " = 7" |
c906108c SS |
177 | |
178 | gdb_test "p t_enum_value1(enumval1)" " = 1" | |
179 | gdb_test "p t_enum_value1(enum_val1)" " = 1" | |
180 | gdb_test "p t_enum_value1(enum_val2)" " = 0" | |
181 | ||
182 | gdb_test "p t_enum_value2(enumval2)" " = 1" | |
183 | gdb_test "p t_enum_value2(enum_val2)" " = 1" | |
184 | gdb_test "p t_enum_value2(enum_val1)" " = 0" | |
185 | ||
186 | gdb_test "p sum_args(1,{2})" " = 2" | |
187 | gdb_test "p sum_args(2,{2,3})" " = 5" | |
188 | gdb_test "p sum_args(3,{2,3,4})" " = 9" | |
189 | gdb_test "p sum_args(4,{2,3,4,5})" " = 14" | |
190 | ||
191 | gdb_test "p sum10 (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)" " = 55" | |
192 | ||
193 | gdb_test "p cmp10 (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)" " = 1" | |
194 | ||
195 | gdb_test "p t_structs_c(struct_val1)" "= 120 'x'" \ | |
196 | "call inferior func with struct - returns char" | |
197 | gdb_test "p t_structs_s(struct_val1)" "= 87" \ | |
fd7832a6 | 198 | "call inferior func with struct - returns short" |
c906108c SS |
199 | gdb_test "p t_structs_i(struct_val1)" "= 76" \ |
200 | "call inferior func with struct - returns int" | |
201 | gdb_test "p t_structs_l(struct_val1)" "= 51" \ | |
202 | "call inferior func with struct - returns long" | |
d426f7b4 | 203 | |
27aba047 | 204 | if {!$skip_float_test} { |
d426f7b4 MS |
205 | gdb_test "p t_structs_f(struct_val1)" "= 2.12.*" \ |
206 | "call inferior func with struct - returns float" | |
207 | gdb_test "p t_structs_d(struct_val1)" "= 9.87.*" \ | |
208 | "call inferior func with struct - returns double" | |
209 | } | |
210 | ||
0578b8d1 YQ |
211 | if [support_complex_tests] { |
212 | ||
0578b8d1 YQ |
213 | gdb_test "p t_structs_fc(struct_val1)" ".*= 3 \\+ 3 \\* I" \ |
214 | "call inferior func with struct - returns float _Complex" | |
215 | ||
0578b8d1 YQ |
216 | gdb_test "p t_structs_dc(struct_val1)" ".*= 4 \\+ 4 \\* I" \ |
217 | "call inferior func with struct - returns double _Complex" | |
218 | ||
0578b8d1 YQ |
219 | gdb_test "p t_structs_ldc(struct_val1)" "= 5 \\+ 5 \\* I" \ |
220 | "call inferior func with struct - returns long double _Complex" | |
221 | } | |
222 | ||
b326e587 | 223 | gdb_test "p t_structs_a(struct_val1)" "= (.unsigned char .. )?<.*buf.*> \"foo\"" \ |
c906108c | 224 | "call inferior func with struct - returns char *" |
1aa99537 DE |
225 | |
226 | # Restore default value. | |
227 | gdb_test_no_output "set unwindonsignal off" | |
c906108c SS |
228 | } |
229 | ||
c7db355b | 230 | # Procedure to get current content of all registers. |
a2f1aeb4 | 231 | proc fetch_all_registers {test} { |
c7db355b | 232 | global gdb_prompt |
c7db355b | 233 | |
a2f1aeb4 UW |
234 | set all_registers_lines {} |
235 | set bad -1 | |
bcd5727b JK |
236 | # Former trailing `\[\r\n\]+' may eat just \r leaving \n in the buffer |
237 | # corrupting the next matches. | |
a2f1aeb4 | 238 | if {[gdb_test_multiple "info all-registers" $test { |
bcd5727b | 239 | -re "info all-registers\r\n" { |
a2f1aeb4 UW |
240 | exp_continue |
241 | } | |
242 | -ex "The program has no registers now" { | |
243 | set bad 1 | |
244 | exp_continue | |
245 | } | |
bcd5727b | 246 | -re "^bspstore\[ \t\]+\[^\r\n\]+\r\n" { |
783e3e2f AS |
247 | if [istarget "ia64-*-*"] { |
248 | # Filter out bspstore which is specially tied to bsp, | |
249 | # giving spurious differences. | |
a2f1aeb4 UW |
250 | } else { |
251 | lappend all_registers_lines $expect_out(0,string) | |
c642a434 UW |
252 | } |
253 | exp_continue | |
254 | } | |
bb097445 JM |
255 | -re "^pstate\[ \t\]+\[^\r\n\]+\r\n" { |
256 | if [istarget "sparc64-*-linux-gnu"] { | |
257 | # Filter out the pstate register, since in sparc64 | |
258 | # targets the Linux kernel disables pstate.PEF when | |
259 | # returning from traps, giving spurious differences. | |
260 | } else { | |
261 | lappend all_registers_lines $expect_out(0,string) | |
262 | } | |
263 | exp_continue | |
264 | } | |
c642a434 UW |
265 | -re "^last_break\[ \t\]+\[^\r\n\]+\r\n" { |
266 | if [istarget "s390*-*-*"] { | |
267 | # Filter out last_break which is read-only, | |
268 | # giving spurious differences. | |
269 | } else { | |
270 | lappend all_registers_lines $expect_out(0,string) | |
a2f1aeb4 UW |
271 | } |
272 | exp_continue | |
273 | } | |
bcd5727b | 274 | -re "^\[^ \t\]+\[ \t\]+\[^\r\n\]+\r\n" { |
a2f1aeb4 UW |
275 | lappend all_registers_lines $expect_out(0,string) |
276 | exp_continue | |
277 | } | |
bcd5727b | 278 | -re "$gdb_prompt $" { |
a2f1aeb4 UW |
279 | incr bad |
280 | } | |
bcd5727b | 281 | -re "^\[^\r\n\]+\r\n" { |
a2f1aeb4 UW |
282 | if {!$bad} { |
283 | warning "Unrecognized output: $expect_out(0,string)" | |
284 | set bad 1 | |
783e3e2f | 285 | } |
a2f1aeb4 | 286 | exp_continue |
c7db355b | 287 | } |
a2f1aeb4 UW |
288 | }] != 0} { |
289 | return {} | |
290 | } | |
291 | ||
292 | if {$bad} { | |
293 | fail $test | |
294 | return {} | |
c7db355b | 295 | } |
a2f1aeb4 UW |
296 | |
297 | pass $test | |
298 | return $all_registers_lines | |
c7db355b PS |
299 | } |
300 | ||
ff4d2c60 | 301 | proc rerun_and_prepare {} { |
a5a06887 AA |
302 | if { ![runto_main] } { |
303 | gdb_suppress_tests | |
304 | } | |
b6304613 SM |
305 | |
306 | gdb_test_no_output "set language c" | |
ff4d2c60 YQ |
307 | |
308 | get_debug_format | |
309 | ||
310 | # Make sure that malloc gets called and that the floating point unit | |
311 | # is initialized via a call to t_double_values. | |
312 | gdb_test "next" "t_double_values\\(double_val1, double_val2\\);.*" \ | |
313 | "next to t_double_values" | |
314 | gdb_test "next" "t_structs_c\\(struct_val1\\);.*" \ | |
315 | "next to t_structs_c" | |
316 | } | |
317 | ||
a5a06887 | 318 | proc perform_all_tests {} { |
8008f2a7 AA |
319 | gdb_test_no_output "set print sevenbit-strings" |
320 | gdb_test_no_output "set print address off" | |
321 | gdb_test_no_output "set width 0" | |
ff4d2c60 | 322 | |
8008f2a7 | 323 | rerun_and_prepare |
c7db355b | 324 | |
8008f2a7 AA |
325 | # Save all register contents. |
326 | set old_reg_content [fetch_all_registers "retrieve original register contents"] | |
c7db355b | 327 | |
8008f2a7 AA |
328 | # Perform function calls. |
329 | do_function_calls | |
ff4d2c60 | 330 | |
8008f2a7 | 331 | # Check if all registers still have the same value. |
a2f1aeb4 | 332 | set new_reg_content [fetch_all_registers \ |
8008f2a7 | 333 | "register contents after gdb function calls"] |
a2f1aeb4 | 334 | if {$old_reg_content == $new_reg_content} then { |
8008f2a7 | 335 | pass "gdb function calls preserve register contents" |
c7db355b | 336 | } else { |
8008f2a7 AA |
337 | set old_reg_content $new_reg_content |
338 | fail "gdb function calls preserve register contents" | |
c7db355b | 339 | } |
c7db355b | 340 | |
8008f2a7 AA |
341 | rerun_and_prepare |
342 | # Save all register contents. | |
343 | set old_reg_content [fetch_all_registers "retrieve original register contents"] | |
ff4d2c60 | 344 | |
8008f2a7 AA |
345 | # Set breakpoint at a function we will call from gdb. |
346 | gdb_breakpoint add | |
c7db355b | 347 | |
8008f2a7 AA |
348 | # Call function (causing a breakpoint hit in the call dummy) and do a continue, |
349 | # make sure we are back at main and still have the same register contents. | |
350 | gdb_test "print add(4,5)" \ | |
351 | "The program being debugged stopped while.*" \ | |
352 | "stop at breakpoint in call dummy function" | |
353 | gdb_test "continue" "Continuing.*" "continue from call dummy breakpoint" | |
354 | if ![gdb_test "bt 2" \ | |
355 | "#0 main.*" \ | |
356 | "bt after continuing from call dummy breakpoint"] then { | |
357 | set new_reg_content [fetch_all_registers \ | |
358 | "register contents after stop in call dummy"] | |
359 | if {$old_reg_content == $new_reg_content} then { | |
360 | pass "continue after stop in call dummy preserves register contents" | |
361 | } else { | |
362 | fail "continue after stop in call dummy preserves register contents" | |
363 | } | |
364 | } | |
365 | ||
366 | rerun_and_prepare | |
367 | # Set breakpoint at a function we will call from gdb. | |
368 | gdb_breakpoint add | |
369 | # Save all register contents. | |
370 | set old_reg_content [fetch_all_registers "retrieve original register contents"] | |
371 | ||
372 | # Call function (causing a breakpoint hit in the call dummy) and do a finish, | |
373 | # make sure we are back at main and still have the same register contents. | |
374 | gdb_test "print add(4,5)" "The program being debugged stopped while.*" \ | |
375 | "call function causing a breakpoint then do a finish" | |
376 | gdb_test "finish" \ | |
377 | "Value returned is .* = 9" \ | |
378 | "finish from call dummy breakpoint returns correct value" | |
379 | if ![gdb_test "bt 2" \ | |
380 | "#0 main.*" \ | |
381 | "bt after finishing from call dummy breakpoint"] then { | |
382 | set new_reg_content [fetch_all_registers \ | |
383 | "register contents after finish in call dummy"] | |
384 | if {$old_reg_content == $new_reg_content} then { | |
385 | pass "finish after stop in call dummy preserves register contents" | |
386 | } else { | |
387 | fail "finish after stop in call dummy preserves register contents" | |
388 | } | |
389 | } | |
390 | ||
391 | rerun_and_prepare | |
392 | # Set breakpoint at a function we will call from gdb. | |
393 | gdb_breakpoint add | |
394 | # Save all register contents. | |
395 | set old_reg_content [fetch_all_registers "retrieve original register contents"] | |
396 | ||
397 | # Call function (causing a breakpoint hit in the call dummy) and do a return | |
398 | # with a value, make sure we are back at main with the same register contents. | |
399 | gdb_test "print add(4,5)" "The program being debugged stopped while.*" \ | |
400 | "call function causing a breakpoint and then do a return" | |
401 | if ![gdb_test "return 7" \ | |
402 | "#0 main.*" \ | |
403 | "back at main after return from call dummy breakpoint" \ | |
404 | "Make add return now. .y or n.*" \ | |
405 | "y"] then { | |
406 | set new_reg_content [fetch_all_registers \ | |
407 | "register contents after return in call dummy"] | |
408 | if {$old_reg_content == $new_reg_content} then { | |
409 | pass "return after stop in call dummy preserves register contents" | |
410 | } else { | |
411 | fail "return after stop in call dummy preserves register contents" | |
412 | } | |
413 | } | |
414 | ||
415 | rerun_and_prepare | |
416 | # Set breakpoint at a function we will call from gdb. | |
417 | gdb_breakpoint add | |
418 | set old_reg_content [fetch_all_registers "retrieve original register contents"] | |
419 | ||
420 | # Call function (causing a breakpoint hit in the call dummy), and | |
421 | # call another function from the call dummy frame (thereby setting up | |
422 | # several nested call dummy frames). Test that backtrace and finish | |
423 | # work when several call dummies are nested. | |
424 | gdb_breakpoint sum10 | |
425 | gdb_breakpoint t_small_values | |
426 | gdb_test "print add(2,3)" "The program being debugged stopped while.*" \ | |
db62520a | 427 | "stop at nested call level 1" |
8008f2a7 | 428 | gdb_test "backtrace" \ |
db62520a MS |
429 | "\#0 add \\(a=2, b=3\\).*\#1 <function called from gdb>.*\#2 main.*" \ |
430 | "backtrace at nested call level 1" | |
8008f2a7 | 431 | gdb_test "print add(4,5)" "The program being debugged stopped while.*" \ |
db62520a | 432 | "stop at nested call level 2" |
8008f2a7 | 433 | gdb_test "backtrace" \ |
db62520a MS |
434 | "\#0 add \\(a=4, b=5\\).*\#1 <function called from gdb>.*\#2 add \\(a=2, b=3\\).*\#3 <function called from gdb>.*\#4 main.*" \ |
435 | "backtrace at nested call level 2" | |
8008f2a7 | 436 | gdb_test "print sum10(2,4,6,8,10,12,14,16,18,20)" \ |
db62520a MS |
437 | "The program being debugged stopped while.*" \ |
438 | "stop at nested call level 3" | |
8008f2a7 | 439 | gdb_test "backtrace" \ |
db62520a MS |
440 | "\#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.*" \ |
441 | "backtrace at nested call level 3" | |
8008f2a7 | 442 | gdb_test "print t_small_values(1,3,5,7,9,11,13,15,17,19)" \ |
db62520a MS |
443 | "The program being debugged stopped while.*" \ |
444 | "stop at nested call level 4" | |
8008f2a7 | 445 | gdb_test "backtrace" \ |
30b66ecc | 446 | "\#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 | 447 | "backtrace at nested call level 4" |
8008f2a7 | 448 | gdb_test "finish" "Value returned is .* = 100" \ |
db62520a | 449 | "Finish from nested call level 4" |
8008f2a7 | 450 | gdb_test "backtrace" \ |
db62520a MS |
451 | "\#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.*" \ |
452 | "backtrace after finish from nested call level 4" | |
8008f2a7 | 453 | gdb_test "finish" "Value returned is .* = 110" \ |
db62520a | 454 | "Finish from nested call level 3" |
8008f2a7 | 455 | gdb_test "backtrace" \ |
db62520a MS |
456 | "\#0 add \\(a=4, b=5\\).*\#1 <function called from gdb>.*\#2 add \\(a=2, b=3\\).*\#3 <function called from gdb>.*\#4 main.*" \ |
457 | "backtrace after finish from nested call level 3" | |
8008f2a7 | 458 | gdb_test "finish" "Value returned is .* = 9" \ |
db62520a | 459 | "Finish from nested call level 2" |
8008f2a7 | 460 | gdb_test "backtrace" \ |
db62520a MS |
461 | "\#0 add \\(a=2, b=3\\).*\#1 <function called from gdb>.*\#2 main.*" \ |
462 | "backtrace after finish from nested call level 2" | |
8008f2a7 | 463 | gdb_test "finish" "Value returned is .* = 5" \ |
db62520a | 464 | "Finish from nested call level 1" |
8008f2a7 | 465 | gdb_test "backtrace" "\#0 main .*" \ |
db62520a MS |
466 | "backtrace after finish from nested call level 1" |
467 | ||
8008f2a7 AA |
468 | set new_reg_content [fetch_all_registers \ |
469 | "register contents after nested call dummies"] | |
470 | if {$old_reg_content == $new_reg_content} then { | |
471 | pass "nested call dummies preserve register contents" | |
472 | } else { | |
473 | fail "nested call dummies preserve register contents" | |
474 | } | |
db62520a | 475 | |
8008f2a7 AA |
476 | # GDB should not crash by internal error on $sp underflow during the inferior |
477 | # call. It is OK it will stop on some: Cannot access memory at address 0x$hex. | |
db62520a | 478 | |
8008f2a7 AA |
479 | if {![target_info exists gdb,nosignals] && ![istarget "*-*-uclinux*"]} { |
480 | gdb_test {set $old_sp = $sp} | |
0e095b7e | 481 | |
8008f2a7 AA |
482 | gdb_test {set $sp = 0} |
483 | gdb_test "call doubleit (1)" ".*" "sp == 0: call doubleit (1)" | |
0e095b7e | 484 | |
8008f2a7 AA |
485 | gdb_test {set $sp = -1} |
486 | gdb_test "call doubleit (1)" ".*" "sp == -1: call doubleit (1)" | |
0e095b7e | 487 | |
8008f2a7 AA |
488 | gdb_test {set $sp = $old_sp} |
489 | } | |
90359a16 | 490 | |
8008f2a7 AA |
491 | # Test function descriptor resolution - the separate debug info .opd section |
492 | # handling vs. local labels `.L'... as `Lcallfunc' starts with `L'. | |
90359a16 | 493 | |
8008f2a7 | 494 | gdb_test "print callfunc (Lcallfunc, 5)" " = 12" |
e314d629 | 495 | |
8008f2a7 AA |
496 | # Regression test for function pointer cast. |
497 | gdb_test "print *((int *(*) (void)) voidfunc)()" " = 23" | |
a5a06887 AA |
498 | } |
499 | ||
500 | # Perform all tests with and without function prototypes. | |
501 | ||
502 | if { ![prepare_for_testing ${testfile}.exp $testfile $srcfile "$compile_flags additional_flags=-DPROTOTYPES"] } { | |
503 | perform_all_tests | |
504 | } | |
505 | ||
506 | if { ![prepare_for_testing ${testfile}.exp $testfile $srcfile "$compile_flags additional_flags=-DNO_PROTOTYPES"] } { | |
507 | with_test_prefix "noproto" perform_all_tests | |
508 | } |