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1 | # Copyright 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001 |
2 | # Free Software Foundation, Inc. | |
c906108c SS |
3 | |
4 | # This program is free software; you can redistribute it and/or modify | |
5 | # it under the terms of the GNU General Public License as published by | |
6 | # the Free Software Foundation; either version 2 of the License, or | |
7 | # (at your option) any later version. | |
8 | # | |
9 | # This program is distributed in the hope that it will be useful, | |
10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | # GNU General Public License for more details. | |
13 | # | |
14 | # You should have received a copy of the GNU General Public License | |
15 | # along with this program; if not, write to the Free Software | |
16 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
17 | ||
18 | # Please email any bugs, comments, and/or additions to this file to: | |
19 | # bug-gdb@prep.ai.mit.edu | |
20 | ||
21 | # This file was written by Fred Fish. (fnf@cygnus.com) | |
22 | # and modified by Bob Manson. (manson@cygnus.com) | |
23 | ||
24 | if $tracelevel then { | |
25 | strace $tracelevel | |
26 | } | |
27 | ||
28 | set prms_id 0 | |
29 | set bug_id 0 | |
30 | ||
31 | set testfile "callfuncs" | |
32 | set srcfile ${testfile}.c | |
33 | set binfile ${objdir}/${subdir}/${testfile} | |
34 | ||
c906108c | 35 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { |
c906108c | 36 | gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." |
c906108c SS |
37 | } |
38 | ||
39 | # Create and source the file that provides information about the compiler | |
40 | # used to compile the test case. | |
41 | ||
42 | if [get_compiler_info ${binfile}] { | |
43 | return -1; | |
44 | } | |
45 | ||
085dd6e6 JM |
46 | if {$hp_aCC_compiler} { |
47 | set prototypes 1 | |
48 | } else { | |
49 | set prototypes 0 | |
50 | } | |
51 | ||
c906108c SS |
52 | # The a29k can't call functions, so don't even bother with this test. |
53 | if [target_info exists gdb,cannot_call_functions] { | |
54 | setup_xfail "*-*-*" 2416 | |
55 | fail "This target can not call functions" | |
56 | continue | |
57 | } | |
58 | ||
59 | # Set the current language to C. This counts as a test. If it | |
60 | # fails, then we skip the other tests. | |
61 | ||
62 | proc set_lang_c {} { | |
63 | global gdb_prompt | |
64 | ||
65 | send_gdb "set language c\n" | |
66 | gdb_expect { | |
67 | -re ".*$gdb_prompt $" {} | |
68 | timeout { fail "set language c (timeout)" ; return 0; } | |
69 | } | |
70 | ||
71 | send_gdb "show language\n" | |
72 | gdb_expect { | |
73 | -re ".* source language is \"c\".*$gdb_prompt $" { | |
74 | pass "set language to \"c\"" | |
75 | return 1 | |
76 | } | |
77 | -re ".*$gdb_prompt $" { | |
78 | fail "setting language to \"c\"" | |
79 | return 0 | |
80 | } | |
81 | timeout { | |
82 | fail "can't show language (timeout)" | |
83 | return 0 | |
84 | } | |
85 | } | |
86 | } | |
87 | ||
88 | # FIXME: Before calling this proc, we should probably verify that | |
89 | # we can call inferior functions and get a valid integral value | |
90 | # returned. | |
91 | # Note that it is OK to check for 0 or 1 as the returned values, because C | |
92 | # specifies that the numeric value of a relational or logical expression | |
93 | # (computed in the inferior) is 1 for true and 0 for false. | |
94 | ||
95 | proc do_function_calls {} { | |
96 | global prototypes | |
97 | global gcc_compiled | |
a0b3c4fd JM |
98 | global gdb_prompt |
99 | ||
c906108c SS |
100 | # We need to up this because this can be really slow on some boards. |
101 | set timeout 60; | |
102 | ||
103 | gdb_test "p t_char_values(0,0)" " = 0" | |
104 | gdb_test "p t_char_values('a','b')" " = 1" | |
105 | gdb_test "p t_char_values(char_val1,char_val2)" " = 1" | |
106 | gdb_test "p t_char_values('a',char_val2)" " = 1" | |
107 | gdb_test "p t_char_values(char_val1,'b')" " = 1" | |
108 | ||
109 | gdb_test "p t_short_values(0,0)" " = 0" | |
110 | gdb_test "p t_short_values(10,-23)" " = 1" | |
111 | gdb_test "p t_short_values(short_val1,short_val2)" " = 1" | |
112 | gdb_test "p t_short_values(10,short_val2)" " = 1" | |
113 | gdb_test "p t_short_values(short_val1,-23)" " = 1" | |
114 | ||
115 | gdb_test "p t_int_values(0,0)" " = 0" | |
116 | gdb_test "p t_int_values(87,-26)" " = 1" | |
117 | gdb_test "p t_int_values(int_val1,int_val2)" " = 1" | |
118 | gdb_test "p t_int_values(87,int_val2)" " = 1" | |
119 | gdb_test "p t_int_values(int_val1,-26)" " = 1" | |
120 | ||
121 | gdb_test "p t_long_values(0,0)" " = 0" | |
122 | gdb_test "p t_long_values(789,-321)" " = 1" | |
123 | gdb_test "p t_long_values(long_val1,long_val2)" " = 1" | |
124 | gdb_test "p t_long_values(789,long_val2)" " = 1" | |
125 | gdb_test "p t_long_values(long_val1,-321)" " = 1" | |
126 | ||
127 | if ![target_info exists gdb,skip_float_tests] { | |
128 | gdb_test "p t_float_values(0.0,0.0)" " = 0" | |
129 | ||
130 | # These next four tests fail on the mn10300. | |
131 | # The first value is passed in regs, the other in memory. | |
132 | # Gcc emits different stabs for the two parameters; the first is | |
133 | # claimed to be a float, the second a double. | |
134 | # dbxout.c in gcc claims this is the desired behavior. | |
a0b3c4fd | 135 | setup_xfail "mn10300-*-*" |
c906108c | 136 | gdb_test "p t_float_values(3.14159,-2.3765)" " = 1" |
a0b3c4fd | 137 | setup_xfail "mn10300-*-*" |
c906108c | 138 | gdb_test "p t_float_values(float_val1,float_val2)" " = 1" |
a0b3c4fd | 139 | setup_xfail "mn10300-*-*" |
c906108c | 140 | gdb_test "p t_float_values(3.14159,float_val2)" " = 1" |
a0b3c4fd | 141 | setup_xfail "mn10300-*-*" |
c906108c SS |
142 | gdb_test "p t_float_values(float_val1,-2.3765)" " = 1" |
143 | ||
144 | # Test passing of arguments which might not be widened. | |
145 | gdb_test "p t_float_values2(0.0,0.0)" " = 0" | |
146 | ||
147 | # Although PR 5318 mentions SunOS specifically, this seems | |
148 | # to be a generic problem on quite a few platforms. | |
149 | if $prototypes then { | |
085dd6e6 | 150 | setup_xfail "sparc-*-*" "mips*-*-*" 5318 |
c906108c SS |
151 | if {!$gcc_compiled} then { |
152 | setup_xfail "alpha-dec-osf2*" "i*86-*-sysv4*" 5318 | |
153 | } | |
154 | } | |
155 | gdb_test "p t_float_values2(3.14159,float_val2)" " = 1" | |
156 | gdb_test "p t_small_values(1,2,3,4,5,6,7,8,9,10)" " = 55" | |
157 | ||
158 | gdb_test "p t_double_values(0.0,0.0)" " = 0" | |
159 | gdb_test "p t_double_values(45.654,-67.66)" " = 1" | |
160 | gdb_test "p t_double_values(double_val1,double_val2)" " = 1" | |
161 | gdb_test "p t_double_values(45.654,double_val2)" " = 1" | |
162 | gdb_test "p t_double_values(double_val1,-67.66)" " = 1" | |
163 | } | |
164 | ||
165 | gdb_test "p t_string_values(string_val2,string_val1)" " = 0" | |
166 | gdb_test "p t_string_values(string_val1,string_val2)" " = 1" | |
167 | gdb_test "p t_string_values(\"string 1\",\"string 2\")" " = 1" | |
168 | gdb_test "p t_string_values(\"string 1\",string_val2)" " = 1" | |
169 | gdb_test "p t_string_values(string_val1,\"string 2\")" " = 1" | |
170 | ||
171 | gdb_test "p t_char_array_values(char_array_val2,char_array_val1)" " = 0" | |
172 | gdb_test "p t_char_array_values(char_array_val1,char_array_val2)" " = 1" | |
173 | gdb_test "p t_char_array_values(\"carray 1\",\"carray 2\")" " = 1" | |
174 | gdb_test "p t_char_array_values(\"carray 1\",char_array_val2)" " = 1" | |
175 | gdb_test "p t_char_array_values(char_array_val1,\"carray 2\")" " = 1" | |
176 | ||
177 | gdb_test "p doubleit(4)" " = 8" | |
178 | gdb_test "p add(4,5)" " = 9" | |
179 | gdb_test "p t_func_values(func_val2,func_val1)" " = 0" | |
180 | gdb_test "p t_func_values(func_val1,func_val2)" " = 1" | |
181 | ||
182 | # On the rs6000, we need to pass the address of the trampoline routine, | |
183 | # not the address of add itself. I don't know how to go from add to | |
184 | # the address of the trampoline. Similar problems exist on the HPPA, | |
185 | # and in fact can present an unsolvable problem as the stubs may not | |
186 | # even exist in the user's program. We've slightly recoded t_func_values | |
187 | # to avoid such problems in the common case. This may or may not help | |
188 | # the RS6000. | |
189 | setup_xfail "rs6000*-*-*" | |
190 | setup_xfail "powerpc*-*-*" | |
a0b3c4fd | 191 | if {![istarget hppa*-*-hpux*]} then { |
c906108c SS |
192 | gdb_test "p t_func_values(add,func_val2)" " = 1" |
193 | } | |
194 | ||
195 | setup_xfail "rs6000*-*-*" | |
196 | setup_xfail "powerpc*-*-*" | |
a0b3c4fd | 197 | if {![istarget hppa*-*-hpux*]} then { |
c906108c SS |
198 | gdb_test "p t_func_values(func_val1,doubleit)" " = 1" |
199 | } | |
200 | ||
c906108c SS |
201 | setup_xfail "rs6000*-*-*" |
202 | setup_xfail "powerpc*-*-*" | |
a0b3c4fd | 203 | if {![istarget hppa*-*-hpux*]} then { |
c906108c SS |
204 | gdb_test "p t_call_add(add,3,4)" " = 7" |
205 | } | |
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" \ | |
228 | "call inferior func with struct - returns short" | |
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" | |
c906108c SS |
233 | gdb_test "p t_structs_f(struct_val1)" "= 2.12.*" \ |
234 | "call inferior func with struct - returns float" | |
c906108c SS |
235 | gdb_test "p t_structs_d(struct_val1)" "= 9.87.*" \ |
236 | "call inferior func with struct - returns double" | |
237 | gdb_test "p t_structs_a(struct_val1)" "= (.unsigned char .. )?\"foo\"" \ | |
238 | "call inferior func with struct - returns char *" | |
239 | } | |
240 | ||
c7db355b PS |
241 | # Procedure to get current content of all registers. |
242 | global all_registers_content | |
243 | set all_registers_content "" | |
244 | proc do_get_all_registers { } { | |
245 | global gdb_prompt | |
246 | global expect_out | |
247 | global all_registers_content | |
248 | ||
249 | set all_registers_content "" | |
250 | send_gdb "info all-registers\n" | |
251 | gdb_expect { | |
252 | -re "info all-registers\r\n(.*)$gdb_prompt $" { | |
253 | set all_registers_content $expect_out(1,string) | |
254 | } | |
255 | default {} | |
256 | } | |
257 | } | |
258 | ||
c906108c SS |
259 | # Start with a fresh gdb. |
260 | ||
261 | gdb_exit | |
262 | gdb_start | |
263 | gdb_reinitialize_dir $srcdir/$subdir | |
264 | gdb_load ${binfile} | |
265 | ||
266 | gdb_test "set print sevenbit-strings" "" | |
267 | gdb_test "set print address off" "" | |
268 | gdb_test "set width 0" "" | |
269 | ||
085dd6e6 JM |
270 | if { $hp_aCC_compiler } { |
271 | # Do not set language explicitly to 'C'. This will cause aCC | |
272 | # tests to fail because promotion rules are different. Just let | |
273 | # the language be set to the default. | |
274 | ||
c906108c SS |
275 | if { ![runto_main] } { |
276 | gdb_suppress_tests; | |
277 | } | |
085dd6e6 JM |
278 | |
279 | # However, turn off overload-resolution for aCC. Having it on causes | |
280 | # a lot of failures. | |
281 | ||
282 | gdb_test "set overload-resolution 0" ".*" | |
283 | } else { | |
284 | if { ![set_lang_c] } { | |
285 | gdb_suppress_tests; | |
286 | } else { | |
287 | if { ![runto_main] } { | |
288 | gdb_suppress_tests; | |
289 | } | |
290 | } | |
c906108c SS |
291 | } |
292 | ||
c7db355b PS |
293 | # Make sure that malloc gets called and that the floating point unit |
294 | # is initialized via a call to t_double_values. | |
7dbd117d MC |
295 | gdb_test "next" "t_double_values\\(double_val1, double_val2\\);.*" \ |
296 | "next to t_double_values" | |
297 | gdb_test "next" "t_structs_c\\(struct_val1\\);.*" \ | |
298 | "next to t_structs_c" | |
c7db355b PS |
299 | |
300 | # Save all register contents. | |
301 | do_get_all_registers | |
302 | set old_reg_content $all_registers_content | |
303 | ||
304 | # Perform function calls. | |
c906108c SS |
305 | do_function_calls |
306 | ||
c7db355b PS |
307 | # Check if all registers still have the same value. |
308 | do_get_all_registers | |
309 | set new_reg_content $all_registers_content | |
310 | if ![string compare $old_reg_content $new_reg_content] then { | |
311 | pass "gdb function calls preserve register contents" | |
312 | } else { | |
313 | set old_reg_content $all_registers_content | |
314 | fail "gdb function calls preserve register contents" | |
315 | } | |
316 | ||
317 | # Set breakpoint at a function we will call from gdb. | |
318 | gdb_breakpoint add | |
319 | ||
320 | # Call function (causing a breakpoint hit in the call dummy) and do a continue, | |
321 | # make sure we are back at main and still have the same register contents. | |
db62520a MS |
322 | gdb_test "print add(4,5)" \ |
323 | "The program being debugged stopped while.*" \ | |
324 | "stop at breakpoint in call dummy function" | |
c7db355b PS |
325 | gdb_test "continue" "Continuing.*" "continue from call dummy breakpoint" |
326 | if ![gdb_test "bt 2" \ | |
327 | "#0 main.*" \ | |
328 | "bt after continuing from call dummy breakpoint"] then { | |
329 | do_get_all_registers | |
330 | set new_reg_content $all_registers_content | |
331 | if ![string compare $old_reg_content $new_reg_content] then { | |
332 | pass "continue after stop in call dummy preserves register contents" | |
333 | } else { | |
334 | fail "continue after stop in call dummy preserves register contents" | |
335 | } | |
336 | } | |
337 | ||
338 | # Call function (causing a breakpoint hit in the call dummy) and do a finish, | |
339 | # make sure we are back at main and still have the same register contents. | |
340 | gdb_test "print add(4,5)" "The program being debugged stopped while.*" "" | |
341 | gdb_test "finish" \ | |
9549d9c1 | 342 | "Value returned is .* = 9" \ |
c7db355b PS |
343 | "finish from call dummy breakpoint returns correct value" |
344 | if ![gdb_test "bt 2" \ | |
345 | "#0 main.*" \ | |
346 | "bt after finishing from call dummy breakpoint"] then { | |
347 | do_get_all_registers | |
348 | set new_reg_content $all_registers_content | |
349 | if ![string compare $old_reg_content $new_reg_content] then { | |
350 | pass "finish after stop in call dummy preserves register contents" | |
351 | } else { | |
352 | fail "finish after stop in call dummy preserves register contents" | |
353 | } | |
354 | } | |
355 | ||
356 | # Call function (causing a breakpoint hit in the call dummy) and do a return | |
357 | # with a value, make sure we are back at main with the same register contents. | |
358 | gdb_test "print add(4,5)" "The program being debugged stopped while.*" "" | |
359 | if ![gdb_test "return 7" \ | |
360 | "#0 main.*" \ | |
361 | "back at main after return from call dummy breakpoint" \ | |
362 | "Make add return now. .y or n.*" \ | |
363 | "y"] then { | |
364 | do_get_all_registers | |
365 | set new_reg_content $all_registers_content | |
366 | if ![string compare $old_reg_content $new_reg_content] then { | |
367 | pass "return after stop in call dummy preserves register contents" | |
368 | } else { | |
369 | fail "return after stop in call dummy preserves register contents" | |
370 | } | |
371 | } | |
372 | ||
db62520a MS |
373 | # Call function (causing a breakpoint hit in the call dummy), and |
374 | # call another function from the call dummy frame (thereby setting up | |
375 | # several nested call dummy frames). Test that backtrace and finish | |
376 | # work when several call dummies are nested. | |
377 | gdb_breakpoint sum10 | |
378 | gdb_breakpoint t_small_values | |
379 | gdb_test "print add(2,3)" "The program being debugged stopped while.*" \ | |
380 | "stop at nested call level 1" | |
381 | gdb_test "backtrace" \ | |
382 | "\#0 add \\(a=2, b=3\\).*\#1 <function called from gdb>.*\#2 main.*" \ | |
383 | "backtrace at nested call level 1" | |
384 | gdb_test "print add(4,5)" "The program being debugged stopped while.*" \ | |
385 | "stop at nested call level 2" | |
386 | gdb_test "backtrace" \ | |
387 | "\#0 add \\(a=4, b=5\\).*\#1 <function called from gdb>.*\#2 add \\(a=2, b=3\\).*\#3 <function called from gdb>.*\#4 main.*" \ | |
388 | "backtrace at nested call level 2" | |
389 | gdb_test "print sum10(2,4,6,8,10,12,14,16,18,20)" \ | |
390 | "The program being debugged stopped while.*" \ | |
391 | "stop at nested call level 3" | |
392 | gdb_test "backtrace" \ | |
393 | "\#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.*" \ | |
394 | "backtrace at nested call level 3" | |
395 | gdb_test "print t_small_values(1,3,5,7,9,11,13,15,17,19)" \ | |
396 | "The program being debugged stopped while.*" \ | |
397 | "stop at nested call level 4" | |
398 | gdb_test "backtrace" \ | |
399 | "\#0 t_small_values \\(arg1=1 '.001', arg2=3, arg3=5, arg4=7 '.a', arg5=9, arg6=11 '.013', 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.*" \ | |
400 | "backtrace at nested call level 4" | |
401 | gdb_test "finish" "Value returned is .* = 100" \ | |
402 | "Finish from nested call level 4" | |
403 | gdb_test "backtrace" \ | |
404 | "\#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.*" \ | |
405 | "backtrace after finish from nested call level 4" | |
406 | gdb_test "finish" "Value returned is .* = 110" \ | |
407 | "Finish from nested call level 3" | |
408 | gdb_test "backtrace" \ | |
409 | "\#0 add \\(a=4, b=5\\).*\#1 <function called from gdb>.*\#2 add \\(a=2, b=3\\).*\#3 <function called from gdb>.*\#4 main.*" \ | |
410 | "backtrace after finish from nested call level 3" | |
411 | gdb_test "finish" "Value returned is .* = 9" \ | |
412 | "Finish from nested call level 2" | |
413 | gdb_test "backtrace" \ | |
414 | "\#0 add \\(a=2, b=3\\).*\#1 <function called from gdb>.*\#2 main.*" \ | |
415 | "backtrace after finish from nested call level 2" | |
416 | gdb_test "finish" "Value returned is .* = 5" \ | |
417 | "Finish from nested call level 1" | |
418 | gdb_test "backtrace" "\#0 main .*" \ | |
419 | "backtrace after finish from nested call level 1" | |
420 | ||
421 | do_get_all_registers | |
422 | set new_reg_content $all_registers_content | |
423 | if ![string compare $old_reg_content $new_reg_content] then { | |
424 | pass "nested call dummies preserve register contents" | |
425 | } else { | |
426 | fail "nested call dummies preserve register contents" | |
427 | } | |
428 | ||
c906108c | 429 | return 0 |
db62520a | 430 |