1 # Copyright 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
2 # Free Software Foundation, Inc.
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.
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.
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.
18 # Please email any bugs, comments, and/or additions to this file to:
19 # bug-gdb@prep.ai.mit.edu
21 # This file was written by Fred Fish. (fnf@cygnus.com)
22 # and modified by Bob Manson. (manson@cygnus.com)
31 set testfile "callfuncs"
32 set srcfile ${testfile}.c
33 set binfile ${objdir}/${subdir}/${testfile}
35 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
36 gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
39 # Create and source the file that provides information about the compiler
40 # used to compile the test case.
42 if [get_compiler_info ${binfile}] {
46 if {$hp_aCC_compiler} {
52 # Some targets can't do function calls, so don't even bother with this
54 if [target_info exists gdb,cannot_call_functions] {
55 setup_xfail "*-*-*" 2416
56 fail "This target can not call functions"
60 # Set the current language to C. This counts as a test. If it
61 # fails, then we skip the other tests.
66 send_gdb "set language c\n"
68 -re ".*$gdb_prompt $" {}
69 timeout { fail "set language c (timeout)" ; return 0; }
72 send_gdb "show language\n"
74 -re ".* source language is \"c\".*$gdb_prompt $" {
75 pass "set language to \"c\""
78 -re ".*$gdb_prompt $" {
79 fail "setting language to \"c\""
83 fail "can't show language (timeout)"
89 # FIXME: Before calling this proc, we should probably verify that
90 # we can call inferior functions and get a valid integral value
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.
96 proc do_function_calls {} {
100 # We need to up this because this can be really slow on some boards.
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"
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"
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"
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"
127 if ![target_info exists gdb,skip_float_tests] {
128 gdb_test "p t_float_values(0.0,0.0)" " = 0"
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.
135 setup_xfail "mn10300-*-*"
136 gdb_test "p t_float_values(3.14159,-2.3765)" " = 1"
137 setup_xfail "mn10300-*-*"
138 gdb_test "p t_float_values(float_val1,float_val2)" " = 1"
139 setup_xfail "mn10300-*-*"
140 gdb_test "p t_float_values(3.14159,float_val2)" " = 1"
141 setup_xfail "mn10300-*-*"
142 gdb_test "p t_float_values(float_val1,-2.3765)" " = 1"
144 # Test passing of arguments which might not be widened.
145 gdb_test "p t_float_values2(0.0,0.0)" " = 0"
147 # Although PR 5318 mentions SunOS specifically, this seems
148 # to be a generic problem on quite a few platforms.
149 if $prototypes then {
150 setup_xfail "sparc-*-*" "mips*-*-*" 5318
151 if { ! [test_compiler_info gcc-*-*] } then {
152 setup_xfail "alpha-dec-osf2*" "i*86-*-sysv4*" 5318
156 gdb_test "p t_float_values2(3.14159,float_val2)" " = 1"
158 gdb_test "p t_small_values(1,2,3,4,5,6,7,8,9,10)" " = 55"
160 gdb_test "p t_double_values(0.0,0.0)" " = 0"
161 gdb_test "p t_double_values(45.654,-67.66)" " = 1"
162 gdb_test "p t_double_values(double_val1,double_val2)" " = 1"
163 gdb_test "p t_double_values(45.654,double_val2)" " = 1"
164 gdb_test "p t_double_values(double_val1,-67.66)" " = 1"
167 gdb_test "p t_string_values(string_val2,string_val1)" " = 0"
168 gdb_test "p t_string_values(string_val1,string_val2)" " = 1"
169 gdb_test "p t_string_values(\"string 1\",\"string 2\")" " = 1"
170 gdb_test "p t_string_values(\"string 1\",string_val2)" " = 1"
171 gdb_test "p t_string_values(string_val1,\"string 2\")" " = 1"
173 gdb_test "p t_char_array_values(char_array_val2,char_array_val1)" " = 0"
174 gdb_test "p t_char_array_values(char_array_val1,char_array_val2)" " = 1"
175 gdb_test "p t_char_array_values(\"carray 1\",\"carray 2\")" " = 1"
176 gdb_test "p t_char_array_values(\"carray 1\",char_array_val2)" " = 1"
177 gdb_test "p t_char_array_values(char_array_val1,\"carray 2\")" " = 1"
179 gdb_test "p doubleit(4)" " = 8"
180 gdb_test "p add(4,5)" " = 9"
181 gdb_test "p t_func_values(func_val2,func_val1)" " = 0"
182 gdb_test "p t_func_values(func_val1,func_val2)" " = 1"
184 # GDB currently screws up the passing of function parameters for
185 # ABIs that use function descriptors. Instead of passing the
186 # address of te function descriptor, GDB passes the address of the
187 # function body. This results in the called function treating the
188 # first few instructions of the function proper as a descriptor
189 # and attempting a jump through that (a totally random address).
190 setup_kfail "rs6000*-*-aix*" gdb/1457
191 setup_kfail "powerpc*-*-aix*" gdb/1457
192 setup_kfail "powerpc64*-*-*" gdb/1457
193 setup_kfail hppa*-*-hpux* gdb/1457
194 gdb_test "p t_func_values(add,func_val2)" " = 1"
195 setup_kfail "rs6000*-*-aix*" gdb/1457
196 setup_kfail "powerpc*-*-aix*" gdb/1457
197 setup_kfail "powerpc64*-*-*" gdb/1457
198 setup_kfail hppa*-*-hpux* gdb/1457
199 gdb_test "p t_func_values(func_val1,doubleit)" " = 1"
200 setup_kfail "rs6000*-*-aix*" gdb/1457
201 setup_kfail "powerpc*-*-aix*" gdb/1457
202 setup_kfail "powerpc64*-*-*" gdb/1457
203 setup_kfail hppa*-*-hpux* gdb/1457
204 gdb_test "p t_call_add(add,3,4)" " = 7"
205 gdb_test "p t_call_add(func_val1,3,4)" " = 7"
207 gdb_test "p t_enum_value1(enumval1)" " = 1"
208 gdb_test "p t_enum_value1(enum_val1)" " = 1"
209 gdb_test "p t_enum_value1(enum_val2)" " = 0"
211 gdb_test "p t_enum_value2(enumval2)" " = 1"
212 gdb_test "p t_enum_value2(enum_val2)" " = 1"
213 gdb_test "p t_enum_value2(enum_val1)" " = 0"
215 gdb_test "p sum_args(1,{2})" " = 2"
216 gdb_test "p sum_args(2,{2,3})" " = 5"
217 gdb_test "p sum_args(3,{2,3,4})" " = 9"
218 gdb_test "p sum_args(4,{2,3,4,5})" " = 14"
220 gdb_test "p sum10 (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)" " = 55"
222 gdb_test "p cmp10 (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)" " = 1"
224 gdb_test "p t_structs_c(struct_val1)" "= 120 'x'" \
225 "call inferior func with struct - returns char"
226 gdb_test "p t_structs_s(struct_val1)" "= 87" \
227 "call inferior func with struct - returns short"
228 gdb_test "p t_structs_i(struct_val1)" "= 76" \
229 "call inferior func with struct - returns int"
230 gdb_test "p t_structs_l(struct_val1)" "= 51" \
231 "call inferior func with struct - returns long"
232 gdb_test "p t_structs_f(struct_val1)" "= 2.12.*" \
233 "call inferior func with struct - returns float"
234 gdb_test "p t_structs_d(struct_val1)" "= 9.87.*" \
235 "call inferior func with struct - returns double"
236 gdb_test "p t_structs_a(struct_val1)" "= (.unsigned char .. )?\"foo\"" \
237 "call inferior func with struct - returns char *"
240 # Procedure to get current content of all registers.
241 global all_registers_content
242 set all_registers_content ""
243 proc do_get_all_registers { } {
246 global all_registers_content
248 set all_registers_content ""
249 send_gdb "info all-registers\n"
251 -re "info all-registers\r\n(.*)$gdb_prompt $" {
252 set all_registers_content $expect_out(1,string)
258 # Start with a fresh gdb.
262 gdb_reinitialize_dir $srcdir/$subdir
265 gdb_test "set print sevenbit-strings" ""
266 gdb_test "set print address off" ""
267 gdb_test "set width 0" ""
269 if { $hp_aCC_compiler } {
270 # Do not set language explicitly to 'C'. This will cause aCC
271 # tests to fail because promotion rules are different. Just let
272 # the language be set to the default.
274 if { ![runto_main] } {
278 # However, turn off overload-resolution for aCC. Having it on causes
281 gdb_test "set overload-resolution 0" ".*"
283 if { ![set_lang_c] } {
286 if { ![runto_main] } {
294 # Make sure that malloc gets called and that the floating point unit
295 # is initialized via a call to t_double_values.
296 gdb_test "next" "t_double_values\\(double_val1, double_val2\\);.*" \
297 "next to t_double_values"
298 gdb_test "next" "t_structs_c\\(struct_val1\\);.*" \
299 "next to t_structs_c"
301 # Save all register contents.
303 set old_reg_content $all_registers_content
305 # Perform function calls.
308 # Check if all registers still have the same value.
310 set new_reg_content $all_registers_content
311 if ![string compare $old_reg_content $new_reg_content] then {
312 pass "gdb function calls preserve register contents"
314 set old_reg_content $all_registers_content
315 fail "gdb function calls preserve register contents"
318 # Set breakpoint at a function we will call from gdb.
321 # Call function (causing a breakpoint hit in the call dummy) and do a continue,
322 # make sure we are back at main and still have the same register contents.
323 gdb_test "print add(4,5)" \
324 "The program being debugged stopped while.*" \
325 "stop at breakpoint in call dummy function"
326 gdb_test "continue" "Continuing.*" "continue from call dummy breakpoint"
327 if ![gdb_test "bt 2" \
329 "bt after continuing from call dummy breakpoint"] then {
331 set new_reg_content $all_registers_content
332 if ![string compare $old_reg_content $new_reg_content] then {
333 pass "continue after stop in call dummy preserves register contents"
335 fail "continue after stop in call dummy preserves register contents"
339 # Call function (causing a breakpoint hit in the call dummy) and do a finish,
340 # make sure we are back at main and still have the same register contents.
341 gdb_test "print add(4,5)" "The program being debugged stopped while.*" \
342 "call function causing a breakpoint then do a finish"
344 "Value returned is .* = 9" \
345 "finish from call dummy breakpoint returns correct value"
346 if ![gdb_test "bt 2" \
348 "bt after finishing from call dummy breakpoint"] then {
350 set new_reg_content $all_registers_content
351 if ![string compare $old_reg_content $new_reg_content] then {
352 pass "finish after stop in call dummy preserves register contents"
354 fail "finish after stop in call dummy preserves register contents"
358 # Call function (causing a breakpoint hit in the call dummy) and do a return
359 # with a value, make sure we are back at main with the same register contents.
360 gdb_test "print add(4,5)" "The program being debugged stopped while.*" \
361 "call function causing a breakpoint and then do a return"
362 if ![gdb_test "return 7" \
364 "back at main after return from call dummy breakpoint" \
365 "Make add return now. .y or n.*" \
368 set new_reg_content $all_registers_content
369 if ![string compare $old_reg_content $new_reg_content] then {
370 pass "return after stop in call dummy preserves register contents"
372 fail "return after stop in call dummy preserves register contents"
376 # Call function (causing a breakpoint hit in the call dummy), and
377 # call another function from the call dummy frame (thereby setting up
378 # several nested call dummy frames). Test that backtrace and finish
379 # work when several call dummies are nested.
381 gdb_breakpoint t_small_values
382 gdb_test "print add(2,3)" "The program being debugged stopped while.*" \
383 "stop at nested call level 1"
384 gdb_test "backtrace" \
385 "\#0 add \\(a=2, b=3\\).*\#1 <function called from gdb>.*\#2 main.*" \
386 "backtrace at nested call level 1"
387 gdb_test "print add(4,5)" "The program being debugged stopped while.*" \
388 "stop at nested call level 2"
389 gdb_test "backtrace" \
390 "\#0 add \\(a=4, b=5\\).*\#1 <function called from gdb>.*\#2 add \\(a=2, b=3\\).*\#3 <function called from gdb>.*\#4 main.*" \
391 "backtrace at nested call level 2"
392 gdb_test "print sum10(2,4,6,8,10,12,14,16,18,20)" \
393 "The program being debugged stopped while.*" \
394 "stop at nested call level 3"
395 gdb_test "backtrace" \
396 "\#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.*" \
397 "backtrace at nested call level 3"
398 gdb_test "print t_small_values(1,3,5,7,9,11,13,15,17,19)" \
399 "The program being debugged stopped while.*" \
400 "stop at nested call level 4"
401 gdb_test "backtrace" \
402 "\#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.*" \
403 "backtrace at nested call level 4"
404 gdb_test "finish" "Value returned is .* = 100" \
405 "Finish from nested call level 4"
406 gdb_test "backtrace" \
407 "\#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.*" \
408 "backtrace after finish from nested call level 4"
409 gdb_test "finish" "Value returned is .* = 110" \
410 "Finish from nested call level 3"
411 gdb_test "backtrace" \
412 "\#0 add \\(a=4, b=5\\).*\#1 <function called from gdb>.*\#2 add \\(a=2, b=3\\).*\#3 <function called from gdb>.*\#4 main.*" \
413 "backtrace after finish from nested call level 3"
414 gdb_test "finish" "Value returned is .* = 9" \
415 "Finish from nested call level 2"
416 gdb_test "backtrace" \
417 "\#0 add \\(a=2, b=3\\).*\#1 <function called from gdb>.*\#2 main.*" \
418 "backtrace after finish from nested call level 2"
419 gdb_test "finish" "Value returned is .* = 5" \
420 "Finish from nested call level 1"
421 gdb_test "backtrace" "\#0 main .*" \
422 "backtrace after finish from nested call level 1"
425 set new_reg_content $all_registers_content
426 if ![string compare $old_reg_content $new_reg_content] then {
427 pass "nested call dummies preserve register contents"
429 fail "nested call dummies preserve register contents"