Commit | Line | Data |
---|---|---|
b811d2c2 | 1 | # Copyright 1992-2020 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 | ||
54990598 | 42 | proc do_function_calls {prototypes} { |
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 {!$skip_float_test} { |
c906108c SS |
77 | gdb_test "p t_float_values(0.0,0.0)" " = 0" |
78 | ||
79 | # These next four tests fail on the mn10300. | |
80 | # The first value is passed in regs, the other in memory. | |
81 | # Gcc emits different stabs for the two parameters; the first is | |
82 | # claimed to be a float, the second a double. | |
83 | # dbxout.c in gcc claims this is the desired behavior. | |
a6c727b2 DJ |
84 | # These tests also fail for RealView, because GDB can not tell that |
85 | # the function is unprototyped. | |
a0b3c4fd | 86 | setup_xfail "mn10300-*-*" |
a6c727b2 | 87 | if { [test_compiler_info "armcc-*"] } { setup_xfail "*-*-*" } |
c906108c | 88 | gdb_test "p t_float_values(3.14159,-2.3765)" " = 1" |
a0b3c4fd | 89 | setup_xfail "mn10300-*-*" |
a6c727b2 | 90 | if { [test_compiler_info "armcc-*"] } { setup_xfail "*-*-*" } |
c906108c | 91 | gdb_test "p t_float_values(float_val1,float_val2)" " = 1" |
a0b3c4fd | 92 | setup_xfail "mn10300-*-*" |
a6c727b2 | 93 | if { [test_compiler_info "armcc-*"] } { setup_xfail "*-*-*" } |
c906108c | 94 | gdb_test "p t_float_values(3.14159,float_val2)" " = 1" |
a0b3c4fd | 95 | setup_xfail "mn10300-*-*" |
a6c727b2 | 96 | if { [test_compiler_info "armcc-*"] } { setup_xfail "*-*-*" } |
c906108c | 97 | gdb_test "p t_float_values(float_val1,-2.3765)" " = 1" |
54990598 PA |
98 | # Same, via unprototyped function pointer (t_float_values is |
99 | # always unprototyped). | |
100 | gdb_test "p ((int (*) ()) t_float_values)(float_val1,-2.3765)" " = 1" | |
c906108c SS |
101 | |
102 | # Test passing of arguments which might not be widened. | |
103 | gdb_test "p t_float_values2(0.0,0.0)" " = 0" | |
54990598 PA |
104 | # Same, via function pointer. |
105 | if {$prototypes} { | |
106 | gdb_test "p ((int (*) (float, float)) t_float_values2)(0.0,0.0)" " = 0" | |
107 | } else { | |
108 | gdb_test "p ((int (*) ()) t_float_values2)(0.0,0.0)" " = 0" | |
109 | } | |
c906108c | 110 | |
c906108c | 111 | gdb_test "p t_float_values2(3.14159,float_val2)" " = 1" |
54990598 PA |
112 | if {$prototypes} { |
113 | gdb_test "p ((int (*) (float, float)) t_float_values2)(3.14159,float_val2)" " = 1" | |
114 | } else { | |
115 | gdb_test "p ((int (*) ()) t_float_values2)(3.14159,float_val2)" " = 1" | |
116 | } | |
0bc69509 | 117 | |
cdc7edd7 | 118 | 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." |
1a4ca44a | 119 | |
c906108c SS |
120 | gdb_test "p t_small_values(1,2,3,4,5,6,7,8,9,10)" " = 55" |
121 | ||
122 | gdb_test "p t_double_values(0.0,0.0)" " = 0" | |
123 | gdb_test "p t_double_values(45.654,-67.66)" " = 1" | |
124 | gdb_test "p t_double_values(double_val1,double_val2)" " = 1" | |
125 | gdb_test "p t_double_values(45.654,double_val2)" " = 1" | |
126 | gdb_test "p t_double_values(double_val1,-67.66)" " = 1" | |
8d26208a | 127 | |
cdc7edd7 | 128 | 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." |
1a4ca44a | 129 | |
8d26208a DJ |
130 | gdb_test "p t_double_int(99.0, 1)" " = 0" |
131 | gdb_test "p t_double_int(99.0, 99)" " = 1" | |
132 | gdb_test "p t_int_double(99, 1.0)" " = 0" | |
133 | gdb_test "p t_int_double(99, 99.0)" " = 1" | |
c906108c SS |
134 | } |
135 | ||
0578b8d1 | 136 | if [support_complex_tests] { |
0578b8d1 YQ |
137 | gdb_test "p t_float_complex_values(fc1, fc2)" " = 1" |
138 | gdb_test "p t_float_complex_values(fc3, fc4)" " = 0" | |
139 | ||
0578b8d1 YQ |
140 | 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" |
141 | 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" | |
142 | ||
0578b8d1 YQ |
143 | gdb_test "p t_double_complex_values(dc1, dc2)" " = 1" |
144 | gdb_test "p t_double_complex_values(dc3, dc4)" " = 0" | |
145 | ||
0578b8d1 YQ |
146 | 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" |
147 | 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" | |
148 | ||
149 | gdb_test "p t_long_double_complex_values(ldc1, ldc2)" " = 1" | |
150 | gdb_test "p t_long_double_complex_values(ldc3, ldc4)" " = 0" | |
151 | 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" | |
152 | 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" | |
153 | } | |
154 | ||
c906108c SS |
155 | gdb_test "p t_string_values(string_val2,string_val1)" " = 0" |
156 | gdb_test "p t_string_values(string_val1,string_val2)" " = 1" | |
157 | gdb_test "p t_string_values(\"string 1\",\"string 2\")" " = 1" | |
158 | gdb_test "p t_string_values(\"string 1\",string_val2)" " = 1" | |
159 | gdb_test "p t_string_values(string_val1,\"string 2\")" " = 1" | |
160 | ||
161 | gdb_test "p t_char_array_values(char_array_val2,char_array_val1)" " = 0" | |
162 | gdb_test "p t_char_array_values(char_array_val1,char_array_val2)" " = 1" | |
163 | gdb_test "p t_char_array_values(\"carray 1\",\"carray 2\")" " = 1" | |
164 | gdb_test "p t_char_array_values(\"carray 1\",char_array_val2)" " = 1" | |
165 | gdb_test "p t_char_array_values(char_array_val1,\"carray 2\")" " = 1" | |
166 | ||
167 | gdb_test "p doubleit(4)" " = 8" | |
168 | gdb_test "p add(4,5)" " = 9" | |
169 | gdb_test "p t_func_values(func_val2,func_val1)" " = 0" | |
170 | gdb_test "p t_func_values(func_val1,func_val2)" " = 1" | |
171 | ||
fa8de41e TT |
172 | gdb_test "p function_struct.func(5)" " = 10" |
173 | gdb_test "p function_struct_ptr->func(10)" " = 20" | |
174 | ||
eac98b22 AC |
175 | # GDB currently screws up the passing of function parameters for |
176 | # ABIs that use function descriptors. Instead of passing the | |
177 | # address of te function descriptor, GDB passes the address of the | |
178 | # function body. This results in the called function treating the | |
179 | # first few instructions of the function proper as a descriptor | |
180 | # and attempting a jump through that (a totally random address). | |
bbc8b958 TT |
181 | setup_kfail gdb/1457 "rs6000*-*-aix*" |
182 | setup_kfail gdb/1457 "powerpc*-*-aix*" | |
eac98b22 | 183 | gdb_test "p t_func_values(add,func_val2)" " = 1" |
bbc8b958 TT |
184 | setup_kfail gdb/1457 "rs6000*-*-aix*" |
185 | setup_kfail gdb/1457 "powerpc*-*-aix*" | |
eac98b22 | 186 | gdb_test "p t_func_values(func_val1,doubleit)" " = 1" |
bbc8b958 TT |
187 | setup_kfail gdb/1457 "rs6000*-*-aix*" |
188 | setup_kfail gdb/1457 "powerpc*-*-aix*" | |
eac98b22 | 189 | gdb_test "p t_call_add(add,3,4)" " = 7" |
a0b3c4fd | 190 | gdb_test "p t_call_add(func_val1,3,4)" " = 7" |
c906108c SS |
191 | |
192 | gdb_test "p t_enum_value1(enumval1)" " = 1" | |
193 | gdb_test "p t_enum_value1(enum_val1)" " = 1" | |
194 | gdb_test "p t_enum_value1(enum_val2)" " = 0" | |
195 | ||
196 | gdb_test "p t_enum_value2(enumval2)" " = 1" | |
197 | gdb_test "p t_enum_value2(enum_val2)" " = 1" | |
198 | gdb_test "p t_enum_value2(enum_val1)" " = 0" | |
199 | ||
200 | gdb_test "p sum_args(1,{2})" " = 2" | |
201 | gdb_test "p sum_args(2,{2,3})" " = 5" | |
202 | gdb_test "p sum_args(3,{2,3,4})" " = 9" | |
203 | gdb_test "p sum_args(4,{2,3,4,5})" " = 14" | |
204 | ||
205 | gdb_test "p sum10 (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)" " = 55" | |
206 | ||
207 | gdb_test "p cmp10 (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)" " = 1" | |
208 | ||
209 | gdb_test "p t_structs_c(struct_val1)" "= 120 'x'" \ | |
210 | "call inferior func with struct - returns char" | |
211 | gdb_test "p t_structs_s(struct_val1)" "= 87" \ | |
fd7832a6 | 212 | "call inferior func with struct - returns short" |
c906108c SS |
213 | gdb_test "p t_structs_i(struct_val1)" "= 76" \ |
214 | "call inferior func with struct - returns int" | |
215 | gdb_test "p t_structs_l(struct_val1)" "= 51" \ | |
216 | "call inferior func with struct - returns long" | |
d426f7b4 | 217 | |
27aba047 | 218 | if {!$skip_float_test} { |
d426f7b4 MS |
219 | gdb_test "p t_structs_f(struct_val1)" "= 2.12.*" \ |
220 | "call inferior func with struct - returns float" | |
221 | gdb_test "p t_structs_d(struct_val1)" "= 9.87.*" \ | |
222 | "call inferior func with struct - returns double" | |
223 | } | |
224 | ||
0578b8d1 YQ |
225 | if [support_complex_tests] { |
226 | ||
981c08ce | 227 | gdb_test "p t_structs_fc(struct_val1)" ".*= 3 \\+ 3i" \ |
0578b8d1 YQ |
228 | "call inferior func with struct - returns float _Complex" |
229 | ||
981c08ce | 230 | gdb_test "p t_structs_dc(struct_val1)" ".*= 4 \\+ 4i" \ |
0578b8d1 YQ |
231 | "call inferior func with struct - returns double _Complex" |
232 | ||
981c08ce | 233 | gdb_test "p t_structs_ldc(struct_val1)" "= 5 \\+ 5i" \ |
0578b8d1 YQ |
234 | "call inferior func with struct - returns long double _Complex" |
235 | } | |
236 | ||
b326e587 | 237 | gdb_test "p t_structs_a(struct_val1)" "= (.unsigned char .. )?<.*buf.*> \"foo\"" \ |
c906108c | 238 | "call inferior func with struct - returns char *" |
1aa99537 DE |
239 | |
240 | # Restore default value. | |
241 | gdb_test_no_output "set unwindonsignal off" | |
c906108c SS |
242 | } |
243 | ||
c7db355b | 244 | # Procedure to get current content of all registers. |
a2f1aeb4 | 245 | proc fetch_all_registers {test} { |
c7db355b | 246 | global gdb_prompt |
c7db355b | 247 | |
a2f1aeb4 UW |
248 | set all_registers_lines {} |
249 | set bad -1 | |
bcd5727b JK |
250 | # Former trailing `\[\r\n\]+' may eat just \r leaving \n in the buffer |
251 | # corrupting the next matches. | |
a2f1aeb4 | 252 | if {[gdb_test_multiple "info all-registers" $test { |
bcd5727b | 253 | -re "info all-registers\r\n" { |
a2f1aeb4 UW |
254 | exp_continue |
255 | } | |
256 | -ex "The program has no registers now" { | |
257 | set bad 1 | |
258 | exp_continue | |
259 | } | |
bcd5727b | 260 | -re "^bspstore\[ \t\]+\[^\r\n\]+\r\n" { |
783e3e2f AS |
261 | if [istarget "ia64-*-*"] { |
262 | # Filter out bspstore which is specially tied to bsp, | |
263 | # giving spurious differences. | |
a2f1aeb4 UW |
264 | } else { |
265 | lappend all_registers_lines $expect_out(0,string) | |
c642a434 UW |
266 | } |
267 | exp_continue | |
268 | } | |
bb097445 JM |
269 | -re "^pstate\[ \t\]+\[^\r\n\]+\r\n" { |
270 | if [istarget "sparc64-*-linux-gnu"] { | |
271 | # Filter out the pstate register, since in sparc64 | |
272 | # targets the Linux kernel disables pstate.PEF when | |
273 | # returning from traps, giving spurious differences. | |
274 | } else { | |
275 | lappend all_registers_lines $expect_out(0,string) | |
276 | } | |
277 | exp_continue | |
278 | } | |
c642a434 UW |
279 | -re "^last_break\[ \t\]+\[^\r\n\]+\r\n" { |
280 | if [istarget "s390*-*-*"] { | |
281 | # Filter out last_break which is read-only, | |
282 | # giving spurious differences. | |
283 | } else { | |
284 | lappend all_registers_lines $expect_out(0,string) | |
a2f1aeb4 UW |
285 | } |
286 | exp_continue | |
287 | } | |
9b0797e2 AB |
288 | -re "^\(?:cycle\|instret\)\[ \t\]+\[^\r\n\]+\r\n" { |
289 | if [istarget "riscv*-*-*"] { | |
290 | # Filter out the cycle counter and instructions | |
291 | # retired counter CSRs which are read-only, giving | |
292 | # spurious differences. | |
293 | } else { | |
294 | lappend all_registers_lines $expect_out(0,string) | |
295 | } | |
296 | exp_continue | |
297 | } | |
bcd5727b | 298 | -re "^\[^ \t\]+\[ \t\]+\[^\r\n\]+\r\n" { |
a2f1aeb4 UW |
299 | lappend all_registers_lines $expect_out(0,string) |
300 | exp_continue | |
301 | } | |
bcd5727b | 302 | -re "$gdb_prompt $" { |
a2f1aeb4 UW |
303 | incr bad |
304 | } | |
bcd5727b | 305 | -re "^\[^\r\n\]+\r\n" { |
a2f1aeb4 UW |
306 | if {!$bad} { |
307 | warning "Unrecognized output: $expect_out(0,string)" | |
308 | set bad 1 | |
783e3e2f | 309 | } |
a2f1aeb4 | 310 | exp_continue |
c7db355b | 311 | } |
a2f1aeb4 UW |
312 | }] != 0} { |
313 | return {} | |
314 | } | |
315 | ||
316 | if {$bad} { | |
317 | fail $test | |
318 | return {} | |
c7db355b | 319 | } |
a2f1aeb4 UW |
320 | |
321 | pass $test | |
322 | return $all_registers_lines | |
c7db355b PS |
323 | } |
324 | ||
2b74ba5a AB |
325 | # Global used by RERUN_AND_PREPARE to make test names unique. |
326 | set rerun_count 0 | |
327 | ||
ff4d2c60 | 328 | proc rerun_and_prepare {} { |
2b74ba5a AB |
329 | global rerun_count |
330 | ||
331 | incr rerun_count | |
332 | with_test_prefix "rerun number ${rerun_count}" { | |
b6304613 | 333 | |
2b74ba5a AB |
334 | if { ![runto_main] } { |
335 | gdb_suppress_tests | |
336 | } | |
337 | ||
338 | gdb_test_no_output "set language c" | |
ff4d2c60 | 339 | |
2b74ba5a | 340 | get_debug_format |
ff4d2c60 | 341 | |
2b74ba5a AB |
342 | # Make sure that malloc gets called and that the floating |
343 | # point unit is initialized via a call to t_double_values. | |
344 | gdb_test "next" \ | |
345 | "t_double_values\\(double_val1, double_val2\\);.*" \ | |
346 | "next to t_double_values" | |
347 | gdb_test "next" "t_structs_c\\(struct_val1\\);.*" \ | |
348 | "next to t_structs_c" | |
349 | } | |
ff4d2c60 YQ |
350 | } |
351 | ||
54990598 | 352 | proc perform_all_tests {prototypes} { |
8008f2a7 AA |
353 | gdb_test_no_output "set print sevenbit-strings" |
354 | gdb_test_no_output "set print address off" | |
355 | gdb_test_no_output "set width 0" | |
ff4d2c60 | 356 | |
8008f2a7 | 357 | rerun_and_prepare |
c7db355b | 358 | |
8008f2a7 | 359 | # Save all register contents. |
2b74ba5a AB |
360 | set old_reg_content \ |
361 | [fetch_all_registers "retrieve original register contents 1"] | |
c7db355b | 362 | |
8008f2a7 | 363 | # Perform function calls. |
54990598 | 364 | do_function_calls $prototypes |
ff4d2c60 | 365 | |
8008f2a7 | 366 | # Check if all registers still have the same value. |
a2f1aeb4 | 367 | set new_reg_content [fetch_all_registers \ |
8008f2a7 | 368 | "register contents after gdb function calls"] |
a2f1aeb4 | 369 | if {$old_reg_content == $new_reg_content} then { |
8008f2a7 | 370 | pass "gdb function calls preserve register contents" |
c7db355b | 371 | } else { |
8008f2a7 AA |
372 | set old_reg_content $new_reg_content |
373 | fail "gdb function calls preserve register contents" | |
c7db355b | 374 | } |
c7db355b | 375 | |
8008f2a7 AA |
376 | rerun_and_prepare |
377 | # Save all register contents. | |
2b74ba5a AB |
378 | set old_reg_content \ |
379 | [fetch_all_registers "retrieve original register contents 2"] | |
ff4d2c60 | 380 | |
8008f2a7 AA |
381 | # Set breakpoint at a function we will call from gdb. |
382 | gdb_breakpoint add | |
c7db355b | 383 | |
8008f2a7 AA |
384 | # Call function (causing a breakpoint hit in the call dummy) and do a continue, |
385 | # make sure we are back at main and still have the same register contents. | |
386 | gdb_test "print add(4,5)" \ | |
387 | "The program being debugged stopped while.*" \ | |
388 | "stop at breakpoint in call dummy function" | |
389 | gdb_test "continue" "Continuing.*" "continue from call dummy breakpoint" | |
390 | if ![gdb_test "bt 2" \ | |
391 | "#0 main.*" \ | |
392 | "bt after continuing from call dummy breakpoint"] then { | |
393 | set new_reg_content [fetch_all_registers \ | |
394 | "register contents after stop in call dummy"] | |
395 | if {$old_reg_content == $new_reg_content} then { | |
396 | pass "continue after stop in call dummy preserves register contents" | |
397 | } else { | |
398 | fail "continue after stop in call dummy preserves register contents" | |
399 | } | |
400 | } | |
401 | ||
402 | rerun_and_prepare | |
403 | # Set breakpoint at a function we will call from gdb. | |
404 | gdb_breakpoint add | |
405 | # Save all register contents. | |
2b74ba5a AB |
406 | set old_reg_content \ |
407 | [fetch_all_registers "retrieve original register contents 3"] | |
8008f2a7 AA |
408 | |
409 | # Call function (causing a breakpoint hit in the call dummy) and do a finish, | |
410 | # make sure we are back at main and still have the same register contents. | |
411 | gdb_test "print add(4,5)" "The program being debugged stopped while.*" \ | |
412 | "call function causing a breakpoint then do a finish" | |
413 | gdb_test "finish" \ | |
414 | "Value returned is .* = 9" \ | |
415 | "finish from call dummy breakpoint returns correct value" | |
416 | if ![gdb_test "bt 2" \ | |
417 | "#0 main.*" \ | |
418 | "bt after finishing from call dummy breakpoint"] then { | |
419 | set new_reg_content [fetch_all_registers \ | |
420 | "register contents after finish in call dummy"] | |
421 | if {$old_reg_content == $new_reg_content} then { | |
422 | pass "finish after stop in call dummy preserves register contents" | |
423 | } else { | |
424 | fail "finish after stop in call dummy preserves register contents" | |
425 | } | |
426 | } | |
427 | ||
428 | rerun_and_prepare | |
429 | # Set breakpoint at a function we will call from gdb. | |
430 | gdb_breakpoint add | |
431 | # Save all register contents. | |
2b74ba5a AB |
432 | set old_reg_content \ |
433 | [fetch_all_registers "retrieve original register contents 4"] | |
8008f2a7 AA |
434 | |
435 | # Call function (causing a breakpoint hit in the call dummy) and do a return | |
436 | # with a value, make sure we are back at main with the same register contents. | |
437 | gdb_test "print add(4,5)" "The program being debugged stopped while.*" \ | |
438 | "call function causing a breakpoint and then do a return" | |
439 | if ![gdb_test "return 7" \ | |
440 | "#0 main.*" \ | |
441 | "back at main after return from call dummy breakpoint" \ | |
442 | "Make add return now. .y or n.*" \ | |
443 | "y"] then { | |
444 | set new_reg_content [fetch_all_registers \ | |
445 | "register contents after return in call dummy"] | |
446 | if {$old_reg_content == $new_reg_content} then { | |
447 | pass "return after stop in call dummy preserves register contents" | |
448 | } else { | |
449 | fail "return after stop in call dummy preserves register contents" | |
450 | } | |
451 | } | |
452 | ||
453 | rerun_and_prepare | |
454 | # Set breakpoint at a function we will call from gdb. | |
455 | gdb_breakpoint add | |
2b74ba5a AB |
456 | set old_reg_content \ |
457 | [fetch_all_registers "retrieve original register contents 5"] | |
8008f2a7 AA |
458 | |
459 | # Call function (causing a breakpoint hit in the call dummy), and | |
460 | # call another function from the call dummy frame (thereby setting up | |
461 | # several nested call dummy frames). Test that backtrace and finish | |
462 | # work when several call dummies are nested. | |
463 | gdb_breakpoint sum10 | |
464 | gdb_breakpoint t_small_values | |
465 | gdb_test "print add(2,3)" "The program being debugged stopped while.*" \ | |
db62520a | 466 | "stop at nested call level 1" |
8008f2a7 | 467 | gdb_test "backtrace" \ |
db62520a MS |
468 | "\#0 add \\(a=2, b=3\\).*\#1 <function called from gdb>.*\#2 main.*" \ |
469 | "backtrace at nested call level 1" | |
8008f2a7 | 470 | gdb_test "print add(4,5)" "The program being debugged stopped while.*" \ |
db62520a | 471 | "stop at nested call level 2" |
8008f2a7 | 472 | gdb_test "backtrace" \ |
db62520a MS |
473 | "\#0 add \\(a=4, b=5\\).*\#1 <function called from gdb>.*\#2 add \\(a=2, b=3\\).*\#3 <function called from gdb>.*\#4 main.*" \ |
474 | "backtrace at nested call level 2" | |
8008f2a7 | 475 | gdb_test "print sum10(2,4,6,8,10,12,14,16,18,20)" \ |
db62520a MS |
476 | "The program being debugged stopped while.*" \ |
477 | "stop at nested call level 3" | |
8008f2a7 | 478 | gdb_test "backtrace" \ |
db62520a MS |
479 | "\#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.*" \ |
480 | "backtrace at nested call level 3" | |
8008f2a7 | 481 | gdb_test "print t_small_values(1,3,5,7,9,11,13,15,17,19)" \ |
db62520a MS |
482 | "The program being debugged stopped while.*" \ |
483 | "stop at nested call level 4" | |
8008f2a7 | 484 | gdb_test "backtrace" \ |
30b66ecc | 485 | "\#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 | 486 | "backtrace at nested call level 4" |
8008f2a7 | 487 | gdb_test "finish" "Value returned is .* = 100" \ |
db62520a | 488 | "Finish from nested call level 4" |
8008f2a7 | 489 | gdb_test "backtrace" \ |
db62520a MS |
490 | "\#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.*" \ |
491 | "backtrace after finish from nested call level 4" | |
8008f2a7 | 492 | gdb_test "finish" "Value returned is .* = 110" \ |
db62520a | 493 | "Finish from nested call level 3" |
8008f2a7 | 494 | gdb_test "backtrace" \ |
db62520a MS |
495 | "\#0 add \\(a=4, b=5\\).*\#1 <function called from gdb>.*\#2 add \\(a=2, b=3\\).*\#3 <function called from gdb>.*\#4 main.*" \ |
496 | "backtrace after finish from nested call level 3" | |
8008f2a7 | 497 | gdb_test "finish" "Value returned is .* = 9" \ |
db62520a | 498 | "Finish from nested call level 2" |
8008f2a7 | 499 | gdb_test "backtrace" \ |
db62520a MS |
500 | "\#0 add \\(a=2, b=3\\).*\#1 <function called from gdb>.*\#2 main.*" \ |
501 | "backtrace after finish from nested call level 2" | |
8008f2a7 | 502 | gdb_test "finish" "Value returned is .* = 5" \ |
db62520a | 503 | "Finish from nested call level 1" |
8008f2a7 | 504 | gdb_test "backtrace" "\#0 main .*" \ |
db62520a MS |
505 | "backtrace after finish from nested call level 1" |
506 | ||
8008f2a7 AA |
507 | set new_reg_content [fetch_all_registers \ |
508 | "register contents after nested call dummies"] | |
509 | if {$old_reg_content == $new_reg_content} then { | |
510 | pass "nested call dummies preserve register contents" | |
511 | } else { | |
512 | fail "nested call dummies preserve register contents" | |
513 | } | |
db62520a | 514 | |
8008f2a7 AA |
515 | # GDB should not crash by internal error on $sp underflow during the inferior |
516 | # call. It is OK it will stop on some: Cannot access memory at address 0x$hex. | |
db62520a | 517 | |
8008f2a7 AA |
518 | if {![target_info exists gdb,nosignals] && ![istarget "*-*-uclinux*"]} { |
519 | gdb_test {set $old_sp = $sp} | |
0e095b7e | 520 | |
8008f2a7 AA |
521 | gdb_test {set $sp = 0} |
522 | gdb_test "call doubleit (1)" ".*" "sp == 0: call doubleit (1)" | |
0e095b7e | 523 | |
8008f2a7 AA |
524 | gdb_test {set $sp = -1} |
525 | gdb_test "call doubleit (1)" ".*" "sp == -1: call doubleit (1)" | |
0e095b7e | 526 | |
8008f2a7 AA |
527 | gdb_test {set $sp = $old_sp} |
528 | } | |
90359a16 | 529 | |
8008f2a7 AA |
530 | # Test function descriptor resolution - the separate debug info .opd section |
531 | # handling vs. local labels `.L'... as `Lcallfunc' starts with `L'. | |
90359a16 | 532 | |
8008f2a7 | 533 | gdb_test "print callfunc (Lcallfunc, 5)" " = 12" |
e314d629 | 534 | |
8008f2a7 AA |
535 | # Regression test for function pointer cast. |
536 | gdb_test "print *((int *(*) (void)) voidfunc)()" " = 23" | |
a5a06887 AA |
537 | } |
538 | ||
539 | # Perform all tests with and without function prototypes. | |
540 | ||
5b362f04 | 541 | if { ![prepare_for_testing "failed to prepare" $testfile $srcfile "$compile_flags additional_flags=-DPROTOTYPES"] } { |
54990598 | 542 | perform_all_tests 1 |
a5a06887 AA |
543 | } |
544 | ||
5b362f04 | 545 | if { ![prepare_for_testing "failed to prepare" $testfile $srcfile "$compile_flags additional_flags=-DNO_PROTOTYPES"] } { |
54990598 PA |
546 | with_test_prefix "noproto" { |
547 | perform_all_tests 0 | |
548 | } | |
a5a06887 | 549 | } |