OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-old/] [gdb-6.8/] [gdb/] [testsuite/] [gdb.base/] [callfuncs.exp] - Blame information for rev 840

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 24 jeremybenn
# Copyright 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
2
# 2004, 2007, 2008 Free Software Foundation, Inc.
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 3 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, see .
16
 
17
# Please email any bugs, comments, and/or additions to this file to:
18
# bug-gdb@prep.ai.mit.edu
19
 
20
# This file was written by Fred Fish. (fnf@cygnus.com)
21
# and modified by Bob Manson. (manson@cygnus.com)
22
 
23
if $tracelevel then {
24
        strace $tracelevel
25
}
26
 
27
set prms_id 0
28
set bug_id 0
29
 
30
set testfile "callfuncs"
31
set srcfile ${testfile}.c
32
set binfile ${objdir}/${subdir}/${testfile}
33
 
34
if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
35
     untested callfuncs.exp
36
     return -1
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
 
46
if {$hp_aCC_compiler} {
47
    set prototypes 1
48
} else {
49
    set prototypes 0
50
}
51
 
52
# Some targets can't do function calls, so don't even bother with this
53
# test.
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 gdb_prompt
99
 
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.
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"
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 {
150
            setup_xfail "sparc-*-*" "mips*-*-*" 5318
151
            if { ! [test_compiler_info gcc-*-*] } then {
152
                setup_xfail "alpha-dec-osf2*" "i*86-*-sysv4*" 5318
153
            }
154
        }
155
 
156
        gdb_test "p t_float_values2(3.14159,float_val2)" " = 1"
157
 
158
        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."
159
 
160
        gdb_test "p t_small_values(1,2,3,4,5,6,7,8,9,10)" " = 55"
161
 
162
        gdb_test "p t_double_values(0.0,0.0)" " = 0"
163
        gdb_test "p t_double_values(45.654,-67.66)" " = 1"
164
        gdb_test "p t_double_values(double_val1,double_val2)" " = 1"
165
        gdb_test "p t_double_values(45.654,double_val2)" " = 1"
166
        gdb_test "p t_double_values(double_val1,-67.66)" " = 1"
167
 
168
        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."
169
 
170
        gdb_test "p t_double_int(99.0, 1)" " = 0"
171
        gdb_test "p t_double_int(99.0, 99)" " = 1"
172
        gdb_test "p t_int_double(99, 1.0)" " = 0"
173
        gdb_test "p t_int_double(99, 99.0)" " = 1"
174
    }
175
 
176
    gdb_test "p t_string_values(string_val2,string_val1)" " = 0"
177
    gdb_test "p t_string_values(string_val1,string_val2)" " = 1"
178
    gdb_test "p t_string_values(\"string 1\",\"string 2\")" " = 1"
179
    gdb_test "p t_string_values(\"string 1\",string_val2)" " = 1"
180
    gdb_test "p t_string_values(string_val1,\"string 2\")" " = 1"
181
 
182
    gdb_test "p t_char_array_values(char_array_val2,char_array_val1)" " = 0"
183
    gdb_test "p t_char_array_values(char_array_val1,char_array_val2)" " = 1"
184
    gdb_test "p t_char_array_values(\"carray 1\",\"carray 2\")" " = 1"
185
    gdb_test "p t_char_array_values(\"carray 1\",char_array_val2)" " = 1"
186
    gdb_test "p t_char_array_values(char_array_val1,\"carray 2\")" " = 1"
187
 
188
    gdb_test "p doubleit(4)" " = 8"
189
    gdb_test "p add(4,5)" " = 9"
190
    gdb_test "p t_func_values(func_val2,func_val1)" " = 0"
191
    gdb_test "p t_func_values(func_val1,func_val2)" " = 1"
192
 
193
    # GDB currently screws up the passing of function parameters for
194
    # ABIs that use function descriptors.  Instead of passing the
195
    # address of te function descriptor, GDB passes the address of the
196
    # function body.  This results in the called function treating the
197
    # first few instructions of the function proper as a descriptor
198
    # and attempting a jump through that (a totally random address).
199
    setup_kfail "rs6000*-*-aix*" gdb/1457
200
    setup_kfail "powerpc*-*-aix*" gdb/1457
201
    setup_kfail hppa*-*-hpux* gdb/1457
202
    gdb_test "p t_func_values(add,func_val2)" " = 1"
203
    setup_kfail "rs6000*-*-aix*" gdb/1457
204
    setup_kfail "powerpc*-*-aix*" gdb/1457
205
    setup_kfail hppa*-*-hpux* gdb/1457
206
    gdb_test "p t_func_values(func_val1,doubleit)" " = 1"
207
    setup_kfail "rs6000*-*-aix*" gdb/1457
208
    setup_kfail "powerpc*-*-aix*" gdb/1457
209
    setup_kfail hppa*-*-hpux* gdb/1457
210
    gdb_test "p t_call_add(add,3,4)" " = 7"
211
    gdb_test "p t_call_add(func_val1,3,4)" " = 7"
212
 
213
    gdb_test "p t_enum_value1(enumval1)" " = 1"
214
    gdb_test "p t_enum_value1(enum_val1)" " = 1"
215
    gdb_test "p t_enum_value1(enum_val2)" " = 0"
216
 
217
    gdb_test "p t_enum_value2(enumval2)" " = 1"
218
    gdb_test "p t_enum_value2(enum_val2)" " = 1"
219
    gdb_test "p t_enum_value2(enum_val1)" " = 0"
220
 
221
    gdb_test "p sum_args(1,{2})" " = 2"
222
    gdb_test "p sum_args(2,{2,3})" " = 5"
223
    gdb_test "p sum_args(3,{2,3,4})" " = 9"
224
    gdb_test "p sum_args(4,{2,3,4,5})" " = 14"
225
 
226
    gdb_test "p sum10 (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)" " = 55"
227
 
228
    gdb_test "p cmp10 (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)" " = 1"
229
 
230
    gdb_test "p t_structs_c(struct_val1)" "= 120 'x'" \
231
        "call inferior func with struct - returns char"
232
    gdb_test "p t_structs_s(struct_val1)" "= 87" \
233
        "call inferior func with struct - returns short"
234
    gdb_test "p t_structs_i(struct_val1)" "= 76" \
235
        "call inferior func with struct - returns int"
236
    gdb_test "p t_structs_l(struct_val1)" "= 51" \
237
        "call inferior func with struct - returns long"
238
    gdb_test "p t_structs_f(struct_val1)" "= 2.12.*" \
239
        "call inferior func with struct - returns float"
240
    gdb_test "p t_structs_d(struct_val1)" "= 9.87.*" \
241
        "call inferior func with struct - returns double"
242
    gdb_test "p t_structs_a(struct_val1)" "= (.unsigned char .. )?\"foo\"" \
243
        "call inferior func with struct - returns char *"
244
}
245
 
246
# Procedure to get current content of all registers.
247
proc fetch_all_registers {test} {
248
    global gdb_prompt
249
 
250
    set all_registers_lines {}
251
    set bad -1
252
    if {[gdb_test_multiple "info all-registers" $test {
253
        -re "info all-registers\[\r\n\]+" {
254
            exp_continue
255
        }
256
        -ex "The program has no registers now" {
257
            set bad 1
258
            exp_continue
259
        }
260
        -re "^bspstore\[ \t\]+\[^\r\n\]+\[\r\n\]+" {
261
            if [istarget "ia64-*-*"] {
262
                # Filter out bspstore which is specially tied to bsp,
263
                # giving spurious differences.
264
            } else {
265
                lappend all_registers_lines $expect_out(0,string)
266
            }
267
            exp_continue
268
        }
269
        -re "^\[^ \t\]+\[ \t\]+\[^\r\n\]+\[\r\n\]+" {
270
            lappend all_registers_lines $expect_out(0,string)
271
            exp_continue
272
        }
273
        -re ".*$gdb_prompt $" {
274
            incr bad
275
        }
276
        -re "^\[^\r\n\]+\[\r\n\]+" {
277
            if {!$bad} {
278
                warning "Unrecognized output: $expect_out(0,string)"
279
                set bad 1
280
            }
281
            exp_continue
282
        }
283
    }] != 0} {
284
        return {}
285
    }
286
 
287
    if {$bad} {
288
        fail $test
289
        return {}
290
    }
291
 
292
    pass $test
293
    return $all_registers_lines
294
}
295
 
296
 
297
# Start with a fresh gdb.
298
 
299
gdb_exit
300
gdb_start
301
gdb_reinitialize_dir $srcdir/$subdir
302
gdb_load ${binfile}
303
 
304
gdb_test "set print sevenbit-strings" ""
305
gdb_test "set print address off" ""
306
gdb_test "set width 0" ""
307
 
308
if { $hp_aCC_compiler } {
309
    # Do not set language explicitly to 'C'.  This will cause aCC
310
    # tests to fail because promotion rules are different.  Just let
311
    # the language be set to the default.
312
 
313
    if { ![runto_main] } {
314
        gdb_suppress_tests;
315
    }
316
 
317
    # However, turn off overload-resolution for aCC.  Having it on causes
318
    # a lot of failures.
319
 
320
    gdb_test "set overload-resolution 0" ".*"
321
} else {
322
    if { ![set_lang_c] } {
323
        gdb_suppress_tests;
324
    } else {
325
        if { ![runto_main] } {
326
            gdb_suppress_tests;
327
        }
328
    }
329
}
330
 
331
get_debug_format
332
 
333
# Make sure that malloc gets called and that the floating point unit
334
# is initialized via a call to t_double_values.
335
gdb_test "next" "t_double_values\\(double_val1, double_val2\\);.*" \
336
  "next to t_double_values"
337
gdb_test "next" "t_structs_c\\(struct_val1\\);.*" \
338
  "next to t_structs_c"
339
 
340
# Save all register contents.
341
set old_reg_content [fetch_all_registers "retrieve original register contents"]
342
 
343
# Perform function calls.
344
do_function_calls
345
 
346
# Check if all registers still have the same value.
347
set new_reg_content [fetch_all_registers \
348
                     "register contents after gdb function calls"]
349
if {$old_reg_content == $new_reg_content} then {
350
    pass "gdb function calls preserve register contents"
351
} else {
352
    set old_reg_content $new_reg_content
353
    fail "gdb function calls preserve register contents"
354
}
355
 
356
# Set breakpoint at a function we will call from gdb.
357
gdb_breakpoint add
358
 
359
# Call function (causing a breakpoint hit in the call dummy) and do a continue,
360
# make sure we are back at main and still have the same register contents.
361
gdb_test "print add(4,5)" \
362
        "The program being debugged stopped while.*" \
363
        "stop at breakpoint in call dummy function"
364
gdb_test "continue" "Continuing.*" "continue from call dummy breakpoint"
365
if ![gdb_test "bt 2" \
366
              "#0  main.*" \
367
              "bt after continuing from call dummy breakpoint"] then {
368
    set new_reg_content [fetch_all_registers \
369
                         "register contents after stop in call dummy"]
370
    if {$old_reg_content == $new_reg_content} then {
371
        pass "continue after stop in call dummy preserves register contents"
372
    } else {
373
        fail "continue after stop in call dummy preserves register contents"
374
    }
375
}
376
 
377
# Call function (causing a breakpoint hit in the call dummy) and do a finish,
378
# make sure we are back at main and still have the same register contents.
379
gdb_test "print add(4,5)" "The program being debugged stopped while.*" \
380
        "call function causing a breakpoint then do a finish"
381
gdb_test "finish" \
382
         "Value returned is .* = 9" \
383
         "finish from call dummy breakpoint returns correct value"
384
if ![gdb_test "bt 2" \
385
              "#0  main.*" \
386
              "bt after finishing from call dummy breakpoint"] then {
387
    set new_reg_content [fetch_all_registers \
388
                         "register contents after finish in call dummy"]
389
    if {$old_reg_content == $new_reg_content} then {
390
        pass "finish after stop in call dummy preserves register contents"
391
    } else {
392
        fail "finish after stop in call dummy preserves register contents"
393
    }
394
}
395
 
396
# Call function (causing a breakpoint hit in the call dummy) and do a return
397
# with a value, make sure we are back at main with the same register contents.
398
gdb_test "print add(4,5)" "The program being debugged stopped while.*" \
399
        "call function causing a breakpoint and then do a return"
400
if ![gdb_test "return 7" \
401
              "#0  main.*" \
402
              "back at main after return from call dummy breakpoint" \
403
              "Make add return now. .y or n.*" \
404
              "y"] then {
405
    set new_reg_content [fetch_all_registers \
406
                         "register contents after return in call dummy"]
407
    if {$old_reg_content == $new_reg_content} then {
408
        pass "return after stop in call dummy preserves register contents"
409
    } else {
410
        fail "return after stop in call dummy preserves register contents"
411
    }
412
}
413
 
414
# Call function (causing a breakpoint hit in the call dummy), and
415
# call another function from the call dummy frame (thereby setting up
416
# several nested call dummy frames).  Test that backtrace and finish
417
# work when several call dummies are nested.
418
gdb_breakpoint sum10
419
gdb_breakpoint t_small_values
420
gdb_test "print add(2,3)" "The program being debugged stopped while.*" \
421
        "stop at nested call level 1"
422
gdb_test "backtrace" \
423
        "\#0  add \\(a=2, b=3\\).*\#1  .*\#2  main.*" \
424
        "backtrace at nested call level 1"
425
gdb_test "print add(4,5)" "The program being debugged stopped while.*" \
426
        "stop at nested call level 2"
427
gdb_test "backtrace" \
428
        "\#0  add \\(a=4, b=5\\).*\#1  .*\#2  add \\(a=2, b=3\\).*\#3  .*\#4  main.*" \
429
        "backtrace at nested call level 2"
430
gdb_test "print sum10(2,4,6,8,10,12,14,16,18,20)" \
431
        "The program being debugged stopped while.*" \
432
        "stop at nested call level 3"
433
gdb_test "backtrace" \
434
        "\#0  sum10 \\(i0=2, i1=4, i2=6, i3=8, i4=10, i5=12, i6=14, i7=16, i8=18, i9=20\\).*\#1  .*\#2  add \\(a=4, b=5\\).*\#3  .*\#4  add \\(a=2, b=3\\).*\#5  .*\#6  main.*" \
435
        "backtrace at nested call level 3"
436
gdb_test "print t_small_values(1,3,5,7,9,11,13,15,17,19)" \
437
        "The program being debugged stopped while.*" \
438
        "stop at nested call level 4"
439
gdb_test "backtrace" \
440
        "\#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  .*\#4  add \\(a=4, b=5\\).*\#5  .*\#6  add \\(a=2, b=3\\).*\#7  .*\#8  main.*" \
441
        "backtrace at nested call level 4"
442
gdb_test "finish" "Value returned is .* = 100" \
443
        "Finish from nested call level 4"
444
gdb_test "backtrace" \
445
        "\#0  sum10 \\(i0=2, i1=4, i2=6, i3=8, i4=10, i5=12, i6=14, i7=16, i8=18, i9=20\\).*\#1  .*\#2  add \\(a=4, b=5\\).*\#3  .*\#4  add \\(a=2, b=3\\).*\#5  .*\#6  main.*" \
446
        "backtrace after finish from nested call level 4"
447
gdb_test "finish" "Value returned is .* = 110" \
448
        "Finish from nested call level 3"
449
gdb_test "backtrace" \
450
        "\#0  add \\(a=4, b=5\\).*\#1  .*\#2  add \\(a=2, b=3\\).*\#3  .*\#4  main.*" \
451
        "backtrace after finish from nested call level 3"
452
gdb_test "finish" "Value returned is .* = 9" \
453
        "Finish from nested call level 2"
454
gdb_test "backtrace" \
455
        "\#0  add \\(a=2, b=3\\).*\#1  .*\#2  main.*" \
456
        "backtrace after finish from nested call level 2"
457
gdb_test "finish" "Value returned is .* = 5" \
458
        "Finish from nested call level 1"
459
gdb_test "backtrace" "\#0  main .*" \
460
        "backtrace after finish from nested call level 1"
461
 
462
set new_reg_content [fetch_all_registers \
463
                     "register contents after nested call dummies"]
464
if {$old_reg_content == $new_reg_content} then {
465
    pass "nested call dummies preserve register contents"
466
} else {
467
    fail "nested call dummies preserve register contents"
468
}
469
 
470
return 0
471
 

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.