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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 | ||
9fbfe2dc AC |
52 | # Some targets can't do function calls, so don't even bother with this |
53 | # test. | |
c906108c SS |
54 | if [target_info exists gdb,cannot_call_functions] { |
55 | setup_xfail "*-*-*" 2416 | |
56 | fail "This target can not call functions" | |
57 | continue | |
58 | } | |
59 | ||
60 | # Set the current language to C. This counts as a test. If it | |
61 | # fails, then we skip the other tests. | |
62 | ||
63 | proc set_lang_c {} { | |
64 | global gdb_prompt | |
65 | ||
66 | send_gdb "set language c\n" | |
67 | gdb_expect { | |
68 | -re ".*$gdb_prompt $" {} | |
69 | timeout { fail "set language c (timeout)" ; return 0; } | |
70 | } | |
71 | ||
72 | send_gdb "show language\n" | |
73 | gdb_expect { | |
74 | -re ".* source language is \"c\".*$gdb_prompt $" { | |
75 | pass "set language to \"c\"" | |
76 | return 1 | |
77 | } | |
78 | -re ".*$gdb_prompt $" { | |
79 | fail "setting language to \"c\"" | |
80 | return 0 | |
81 | } | |
82 | timeout { | |
83 | fail "can't show language (timeout)" | |
84 | return 0 | |
85 | } | |
86 | } | |
87 | } | |
88 | ||
89 | # FIXME: Before calling this proc, we should probably verify that | |
90 | # we can call inferior functions and get a valid integral value | |
91 | # returned. | |
92 | # Note that it is OK to check for 0 or 1 as the returned values, because C | |
93 | # specifies that the numeric value of a relational or logical expression | |
94 | # (computed in the inferior) is 1 for true and 0 for false. | |
95 | ||
96 | proc do_function_calls {} { | |
97 | global prototypes | |
98 | global gcc_compiled | |
a0b3c4fd JM |
99 | global gdb_prompt |
100 | ||
c906108c SS |
101 | # We need to up this because this can be really slow on some boards. |
102 | set timeout 60; | |
103 | ||
104 | gdb_test "p t_char_values(0,0)" " = 0" | |
105 | gdb_test "p t_char_values('a','b')" " = 1" | |
106 | gdb_test "p t_char_values(char_val1,char_val2)" " = 1" | |
107 | gdb_test "p t_char_values('a',char_val2)" " = 1" | |
108 | gdb_test "p t_char_values(char_val1,'b')" " = 1" | |
109 | ||
110 | gdb_test "p t_short_values(0,0)" " = 0" | |
111 | gdb_test "p t_short_values(10,-23)" " = 1" | |
112 | gdb_test "p t_short_values(short_val1,short_val2)" " = 1" | |
113 | gdb_test "p t_short_values(10,short_val2)" " = 1" | |
114 | gdb_test "p t_short_values(short_val1,-23)" " = 1" | |
115 | ||
116 | gdb_test "p t_int_values(0,0)" " = 0" | |
117 | gdb_test "p t_int_values(87,-26)" " = 1" | |
118 | gdb_test "p t_int_values(int_val1,int_val2)" " = 1" | |
119 | gdb_test "p t_int_values(87,int_val2)" " = 1" | |
120 | gdb_test "p t_int_values(int_val1,-26)" " = 1" | |
121 | ||
122 | gdb_test "p t_long_values(0,0)" " = 0" | |
123 | gdb_test "p t_long_values(789,-321)" " = 1" | |
124 | gdb_test "p t_long_values(long_val1,long_val2)" " = 1" | |
125 | gdb_test "p t_long_values(789,long_val2)" " = 1" | |
126 | gdb_test "p t_long_values(long_val1,-321)" " = 1" | |
127 | ||
128 | if ![target_info exists gdb,skip_float_tests] { | |
129 | gdb_test "p t_float_values(0.0,0.0)" " = 0" | |
130 | ||
131 | # These next four tests fail on the mn10300. | |
132 | # The first value is passed in regs, the other in memory. | |
133 | # Gcc emits different stabs for the two parameters; the first is | |
134 | # claimed to be a float, the second a double. | |
135 | # dbxout.c in gcc claims this is the desired behavior. | |
a0b3c4fd | 136 | setup_xfail "mn10300-*-*" |
c906108c | 137 | gdb_test "p t_float_values(3.14159,-2.3765)" " = 1" |
a0b3c4fd | 138 | setup_xfail "mn10300-*-*" |
c906108c | 139 | gdb_test "p t_float_values(float_val1,float_val2)" " = 1" |
a0b3c4fd | 140 | setup_xfail "mn10300-*-*" |
c906108c | 141 | gdb_test "p t_float_values(3.14159,float_val2)" " = 1" |
a0b3c4fd | 142 | setup_xfail "mn10300-*-*" |
c906108c SS |
143 | gdb_test "p t_float_values(float_val1,-2.3765)" " = 1" |
144 | ||
145 | # Test passing of arguments which might not be widened. | |
0bc69509 JB |
146 | # Under stabs, GCC doesn't tell us whether the function was |
147 | # prototyped or not. | |
148 | if {$gcc_compiled} { setup_xfail_format "stabs" } | |
c906108c SS |
149 | gdb_test "p t_float_values2(0.0,0.0)" " = 0" |
150 | ||
151 | # Although PR 5318 mentions SunOS specifically, this seems | |
152 | # to be a generic problem on quite a few platforms. | |
153 | if $prototypes then { | |
085dd6e6 | 154 | setup_xfail "sparc-*-*" "mips*-*-*" 5318 |
c906108c SS |
155 | if {!$gcc_compiled} then { |
156 | setup_xfail "alpha-dec-osf2*" "i*86-*-sysv4*" 5318 | |
157 | } | |
158 | } | |
0bc69509 JB |
159 | |
160 | # Under stabs, GCC doesn't tell us whether the function was | |
161 | # prototyped or not. | |
162 | if {$gcc_compiled} { setup_xfail_format "stabs" } | |
c906108c | 163 | gdb_test "p t_float_values2(3.14159,float_val2)" " = 1" |
0bc69509 | 164 | |
c906108c SS |
165 | gdb_test "p t_small_values(1,2,3,4,5,6,7,8,9,10)" " = 55" |
166 | ||
167 | gdb_test "p t_double_values(0.0,0.0)" " = 0" | |
168 | gdb_test "p t_double_values(45.654,-67.66)" " = 1" | |
169 | gdb_test "p t_double_values(double_val1,double_val2)" " = 1" | |
170 | gdb_test "p t_double_values(45.654,double_val2)" " = 1" | |
171 | gdb_test "p t_double_values(double_val1,-67.66)" " = 1" | |
172 | } | |
173 | ||
174 | gdb_test "p t_string_values(string_val2,string_val1)" " = 0" | |
175 | gdb_test "p t_string_values(string_val1,string_val2)" " = 1" | |
176 | gdb_test "p t_string_values(\"string 1\",\"string 2\")" " = 1" | |
177 | gdb_test "p t_string_values(\"string 1\",string_val2)" " = 1" | |
178 | gdb_test "p t_string_values(string_val1,\"string 2\")" " = 1" | |
179 | ||
180 | gdb_test "p t_char_array_values(char_array_val2,char_array_val1)" " = 0" | |
181 | gdb_test "p t_char_array_values(char_array_val1,char_array_val2)" " = 1" | |
182 | gdb_test "p t_char_array_values(\"carray 1\",\"carray 2\")" " = 1" | |
183 | gdb_test "p t_char_array_values(\"carray 1\",char_array_val2)" " = 1" | |
184 | gdb_test "p t_char_array_values(char_array_val1,\"carray 2\")" " = 1" | |
185 | ||
186 | gdb_test "p doubleit(4)" " = 8" | |
187 | gdb_test "p add(4,5)" " = 9" | |
188 | gdb_test "p t_func_values(func_val2,func_val1)" " = 0" | |
189 | gdb_test "p t_func_values(func_val1,func_val2)" " = 1" | |
190 | ||
191 | # On the rs6000, we need to pass the address of the trampoline routine, | |
192 | # not the address of add itself. I don't know how to go from add to | |
193 | # the address of the trampoline. Similar problems exist on the HPPA, | |
194 | # and in fact can present an unsolvable problem as the stubs may not | |
195 | # even exist in the user's program. We've slightly recoded t_func_values | |
196 | # to avoid such problems in the common case. This may or may not help | |
197 | # the RS6000. | |
198 | setup_xfail "rs6000*-*-*" | |
199 | setup_xfail "powerpc*-*-*" | |
a0b3c4fd | 200 | if {![istarget hppa*-*-hpux*]} then { |
c906108c SS |
201 | gdb_test "p t_func_values(add,func_val2)" " = 1" |
202 | } | |
203 | ||
204 | setup_xfail "rs6000*-*-*" | |
205 | setup_xfail "powerpc*-*-*" | |
a0b3c4fd | 206 | if {![istarget hppa*-*-hpux*]} then { |
c906108c SS |
207 | gdb_test "p t_func_values(func_val1,doubleit)" " = 1" |
208 | } | |
209 | ||
c906108c SS |
210 | setup_xfail "rs6000*-*-*" |
211 | setup_xfail "powerpc*-*-*" | |
a0b3c4fd | 212 | if {![istarget hppa*-*-hpux*]} then { |
c906108c SS |
213 | gdb_test "p t_call_add(add,3,4)" " = 7" |
214 | } | |
a0b3c4fd | 215 | gdb_test "p t_call_add(func_val1,3,4)" " = 7" |
c906108c SS |
216 | |
217 | gdb_test "p t_enum_value1(enumval1)" " = 1" | |
218 | gdb_test "p t_enum_value1(enum_val1)" " = 1" | |
219 | gdb_test "p t_enum_value1(enum_val2)" " = 0" | |
220 | ||
221 | gdb_test "p t_enum_value2(enumval2)" " = 1" | |
222 | gdb_test "p t_enum_value2(enum_val2)" " = 1" | |
223 | gdb_test "p t_enum_value2(enum_val1)" " = 0" | |
224 | ||
225 | gdb_test "p sum_args(1,{2})" " = 2" | |
226 | gdb_test "p sum_args(2,{2,3})" " = 5" | |
227 | gdb_test "p sum_args(3,{2,3,4})" " = 9" | |
228 | gdb_test "p sum_args(4,{2,3,4,5})" " = 14" | |
229 | ||
230 | gdb_test "p sum10 (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)" " = 55" | |
231 | ||
232 | gdb_test "p cmp10 (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)" " = 1" | |
233 | ||
234 | gdb_test "p t_structs_c(struct_val1)" "= 120 'x'" \ | |
235 | "call inferior func with struct - returns char" | |
236 | gdb_test "p t_structs_s(struct_val1)" "= 87" \ | |
237 | "call inferior func with struct - returns short" | |
238 | gdb_test "p t_structs_i(struct_val1)" "= 76" \ | |
239 | "call inferior func with struct - returns int" | |
240 | gdb_test "p t_structs_l(struct_val1)" "= 51" \ | |
241 | "call inferior func with struct - returns long" | |
c906108c SS |
242 | gdb_test "p t_structs_f(struct_val1)" "= 2.12.*" \ |
243 | "call inferior func with struct - returns float" | |
c906108c SS |
244 | gdb_test "p t_structs_d(struct_val1)" "= 9.87.*" \ |
245 | "call inferior func with struct - returns double" | |
246 | gdb_test "p t_structs_a(struct_val1)" "= (.unsigned char .. )?\"foo\"" \ | |
247 | "call inferior func with struct - returns char *" | |
248 | } | |
249 | ||
c7db355b PS |
250 | # Procedure to get current content of all registers. |
251 | global all_registers_content | |
252 | set all_registers_content "" | |
253 | proc do_get_all_registers { } { | |
254 | global gdb_prompt | |
255 | global expect_out | |
256 | global all_registers_content | |
257 | ||
258 | set all_registers_content "" | |
259 | send_gdb "info all-registers\n" | |
260 | gdb_expect { | |
261 | -re "info all-registers\r\n(.*)$gdb_prompt $" { | |
262 | set all_registers_content $expect_out(1,string) | |
263 | } | |
264 | default {} | |
265 | } | |
266 | } | |
267 | ||
c906108c SS |
268 | # Start with a fresh gdb. |
269 | ||
270 | gdb_exit | |
271 | gdb_start | |
272 | gdb_reinitialize_dir $srcdir/$subdir | |
273 | gdb_load ${binfile} | |
274 | ||
275 | gdb_test "set print sevenbit-strings" "" | |
276 | gdb_test "set print address off" "" | |
277 | gdb_test "set width 0" "" | |
278 | ||
085dd6e6 JM |
279 | if { $hp_aCC_compiler } { |
280 | # Do not set language explicitly to 'C'. This will cause aCC | |
281 | # tests to fail because promotion rules are different. Just let | |
282 | # the language be set to the default. | |
283 | ||
c906108c SS |
284 | if { ![runto_main] } { |
285 | gdb_suppress_tests; | |
286 | } | |
085dd6e6 JM |
287 | |
288 | # However, turn off overload-resolution for aCC. Having it on causes | |
289 | # a lot of failures. | |
290 | ||
291 | gdb_test "set overload-resolution 0" ".*" | |
292 | } else { | |
293 | if { ![set_lang_c] } { | |
294 | gdb_suppress_tests; | |
295 | } else { | |
296 | if { ![runto_main] } { | |
297 | gdb_suppress_tests; | |
298 | } | |
299 | } | |
c906108c SS |
300 | } |
301 | ||
0bc69509 JB |
302 | get_debug_format |
303 | ||
c7db355b PS |
304 | # Make sure that malloc gets called and that the floating point unit |
305 | # is initialized via a call to t_double_values. | |
7dbd117d MC |
306 | gdb_test "next" "t_double_values\\(double_val1, double_val2\\);.*" \ |
307 | "next to t_double_values" | |
308 | gdb_test "next" "t_structs_c\\(struct_val1\\);.*" \ | |
309 | "next to t_structs_c" | |
c7db355b PS |
310 | |
311 | # Save all register contents. | |
312 | do_get_all_registers | |
313 | set old_reg_content $all_registers_content | |
314 | ||
315 | # Perform function calls. | |
c906108c SS |
316 | do_function_calls |
317 | ||
c7db355b PS |
318 | # Check if all registers still have the same value. |
319 | do_get_all_registers | |
320 | set new_reg_content $all_registers_content | |
321 | if ![string compare $old_reg_content $new_reg_content] then { | |
322 | pass "gdb function calls preserve register contents" | |
323 | } else { | |
324 | set old_reg_content $all_registers_content | |
325 | fail "gdb function calls preserve register contents" | |
326 | } | |
327 | ||
328 | # Set breakpoint at a function we will call from gdb. | |
329 | gdb_breakpoint add | |
330 | ||
331 | # Call function (causing a breakpoint hit in the call dummy) and do a continue, | |
332 | # make sure we are back at main and still have the same register contents. | |
db62520a MS |
333 | gdb_test "print add(4,5)" \ |
334 | "The program being debugged stopped while.*" \ | |
335 | "stop at breakpoint in call dummy function" | |
c7db355b PS |
336 | gdb_test "continue" "Continuing.*" "continue from call dummy breakpoint" |
337 | if ![gdb_test "bt 2" \ | |
338 | "#0 main.*" \ | |
339 | "bt after continuing from call dummy breakpoint"] then { | |
340 | do_get_all_registers | |
341 | set new_reg_content $all_registers_content | |
342 | if ![string compare $old_reg_content $new_reg_content] then { | |
343 | pass "continue after stop in call dummy preserves register contents" | |
344 | } else { | |
345 | fail "continue after stop in call dummy preserves register contents" | |
346 | } | |
347 | } | |
348 | ||
349 | # Call function (causing a breakpoint hit in the call dummy) and do a finish, | |
350 | # make sure we are back at main and still have the same register contents. | |
351 | gdb_test "print add(4,5)" "The program being debugged stopped while.*" "" | |
352 | gdb_test "finish" \ | |
9549d9c1 | 353 | "Value returned is .* = 9" \ |
c7db355b PS |
354 | "finish from call dummy breakpoint returns correct value" |
355 | if ![gdb_test "bt 2" \ | |
356 | "#0 main.*" \ | |
357 | "bt after finishing from call dummy breakpoint"] then { | |
358 | do_get_all_registers | |
359 | set new_reg_content $all_registers_content | |
360 | if ![string compare $old_reg_content $new_reg_content] then { | |
361 | pass "finish after stop in call dummy preserves register contents" | |
362 | } else { | |
363 | fail "finish after stop in call dummy preserves register contents" | |
364 | } | |
365 | } | |
366 | ||
367 | # Call function (causing a breakpoint hit in the call dummy) and do a return | |
368 | # with a value, make sure we are back at main with the same register contents. | |
369 | gdb_test "print add(4,5)" "The program being debugged stopped while.*" "" | |
370 | if ![gdb_test "return 7" \ | |
371 | "#0 main.*" \ | |
372 | "back at main after return from call dummy breakpoint" \ | |
373 | "Make add return now. .y or n.*" \ | |
374 | "y"] then { | |
375 | do_get_all_registers | |
376 | set new_reg_content $all_registers_content | |
377 | if ![string compare $old_reg_content $new_reg_content] then { | |
378 | pass "return after stop in call dummy preserves register contents" | |
379 | } else { | |
380 | fail "return after stop in call dummy preserves register contents" | |
381 | } | |
382 | } | |
383 | ||
db62520a MS |
384 | # Call function (causing a breakpoint hit in the call dummy), and |
385 | # call another function from the call dummy frame (thereby setting up | |
386 | # several nested call dummy frames). Test that backtrace and finish | |
387 | # work when several call dummies are nested. | |
388 | gdb_breakpoint sum10 | |
389 | gdb_breakpoint t_small_values | |
390 | gdb_test "print add(2,3)" "The program being debugged stopped while.*" \ | |
391 | "stop at nested call level 1" | |
392 | gdb_test "backtrace" \ | |
393 | "\#0 add \\(a=2, b=3\\).*\#1 <function called from gdb>.*\#2 main.*" \ | |
394 | "backtrace at nested call level 1" | |
395 | gdb_test "print add(4,5)" "The program being debugged stopped while.*" \ | |
396 | "stop at nested call level 2" | |
397 | gdb_test "backtrace" \ | |
398 | "\#0 add \\(a=4, b=5\\).*\#1 <function called from gdb>.*\#2 add \\(a=2, b=3\\).*\#3 <function called from gdb>.*\#4 main.*" \ | |
399 | "backtrace at nested call level 2" | |
400 | gdb_test "print sum10(2,4,6,8,10,12,14,16,18,20)" \ | |
401 | "The program being debugged stopped while.*" \ | |
402 | "stop at nested call level 3" | |
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 at nested call level 3" | |
406 | gdb_test "print t_small_values(1,3,5,7,9,11,13,15,17,19)" \ | |
407 | "The program being debugged stopped while.*" \ | |
408 | "stop at nested call level 4" | |
409 | gdb_test "backtrace" \ | |
99ebe9ac | 410 | "\#0 t_small_values \\(arg1=1 '.001', arg2=3, arg3=5, arg4=7 '.a', arg5=9, arg6=11 '.v', arg7=13, arg8=15, arg9=17, arg10=19\\).*\#2 sum10 \\(i0=2, i1=4, i2=6, i3=8, i4=10, i5=12, i6=14, i7=16, i8=18, i9=20\\).*\#3 <function called from gdb>.*\#4 add \\(a=4, b=5\\).*\#5 <function called from gdb>.*\#6 add \\(a=2, b=3\\).*\#7 <function called from gdb>.*\#8 main.*" \ |
db62520a MS |
411 | "backtrace at nested call level 4" |
412 | gdb_test "finish" "Value returned is .* = 100" \ | |
413 | "Finish from nested call level 4" | |
414 | gdb_test "backtrace" \ | |
415 | "\#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.*" \ | |
416 | "backtrace after finish from nested call level 4" | |
417 | gdb_test "finish" "Value returned is .* = 110" \ | |
418 | "Finish from nested call level 3" | |
419 | gdb_test "backtrace" \ | |
420 | "\#0 add \\(a=4, b=5\\).*\#1 <function called from gdb>.*\#2 add \\(a=2, b=3\\).*\#3 <function called from gdb>.*\#4 main.*" \ | |
421 | "backtrace after finish from nested call level 3" | |
422 | gdb_test "finish" "Value returned is .* = 9" \ | |
423 | "Finish from nested call level 2" | |
424 | gdb_test "backtrace" \ | |
425 | "\#0 add \\(a=2, b=3\\).*\#1 <function called from gdb>.*\#2 main.*" \ | |
426 | "backtrace after finish from nested call level 2" | |
427 | gdb_test "finish" "Value returned is .* = 5" \ | |
428 | "Finish from nested call level 1" | |
429 | gdb_test "backtrace" "\#0 main .*" \ | |
430 | "backtrace after finish from nested call level 1" | |
431 | ||
432 | do_get_all_registers | |
433 | set new_reg_content $all_registers_content | |
434 | if ![string compare $old_reg_content $new_reg_content] then { | |
435 | pass "nested call dummies preserve register contents" | |
436 | } else { | |
437 | fail "nested call dummies preserve register contents" | |
438 | } | |
439 | ||
c906108c | 440 | return 0 |
db62520a | 441 |