gdb/testsuite/gdb.base/funcargs.exp

   1 # Copyright (C) 1992, 1994, 1995 Free Software Foundation, Inc.
   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
   5 # the Free Software Foundation; either version 2 of the License, or
   6 # (at your option) any later version.
   7 #
   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.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program; if not, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  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
  22 if $tracelevel {
  23     strace $tracelevel
  24 }
  25
  26 set prms_id 0
  27 set bug_id 0
  28
  29 set testfile "funcargs"
  30 set srcfile ${testfile}.c
  31 set binfile ${objdir}/${subdir}/${testfile}
  32 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  33     perror "Couldn't compile ${srcfile}"
  34     return -1
  35 }
  36
  37 # Create and source the file that provides information about the compiler
  38 # used to compile the test case.
  39 if [get_compiler_info ${binfile}] {
  40     return -1;
  41 }
  42
  43 #
  44 # Locate actual args; integral types.
  45 #
  46
  47 proc integral_args {} {
  48     global prompt
  49     global det_file
  50     global gcc_compiled
  51     global gdb_spawn_id
  52
  53     delete_breakpoints
  54
  55     gdb_breakpoint call0a
  56     gdb_breakpoint call0b
  57     gdb_breakpoint call0c
  58     gdb_breakpoint call0d
  59     gdb_breakpoint call0e
  60
  61     # Run; should stop at call0a and print actual arguments.
  62     # The a29k fails all of these tests, perhaps because the prologue
  63     # code is broken.
  64     setup_xfail "a29k-*-udi"
  65     if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
  66     gdb_run_cmd
  67     expect {
  68         -i $gdb_spawn_id -re ".* call0a \\(c=97 'a', s=1, i=2, l=3\\) .*$prompt $" {
  69             pass "run to call0a"
  70         }
  71         -i $gdb_spawn_id -re "$prompt $"  { fail "run to call0a" ; return }
  72         -i $gdb_spawn_id timeout { fail "(timeout) run to call0a" ; return }
  73     }
  74
  75     # Print each arg as a double check to see if we can print
  76     # them here as well as with backtrace.
  77     gdb_test "print c" ".* = 97 'a'" "print c after run to call0a"
  78     gdb_test "print s" ".* = 1" "print s after run to call0a"
  79     gdb_test "print i" ".* = 2" "print i after run to call0a"
  80     gdb_test "print l " ".* = 3" "print l after run to call0a"
  81
  82     # Continue; should stop at call0b and print actual arguments.
  83     if [gdb_test "cont" ".* call0b \\(s=1, i=2, l=3, c=97 'a'\\) .*" "continue to call0b"] {
  84         return
  85     }
  86
  87     # Continue; should stop at call0c and print actual arguments.
  88     if [gdb_test "cont" ".* call0c \\(i=2, l=3, c=97 'a', s=1\\) .*" "continue to call0c"] {
  89         return
  90     }
  91
  92     # Continue; should stop at call0d and print actual arguments.
  93     if [gdb_test "cont" ".* call0d \\(l=3, c=97 'a', s=1, i=2\\) .*" "continue to call0d";] {
  94         return
  95     }
  96
  97     # Continue; should stop at call0e and print actual arguments.
  98     if [gdb_test "cont" ".* call0e \\(c1=97 'a', l=3, c2=97 'a', i=2, c3=97 'a', s=1, c4=97 'a', c5=97 'a'\\) .*" "continue to call0e" ] {
  99         return
 100     }
 101 }
 102
 103 #
 104 # Locate actual args; unsigned integral types.
 105 #
 106
 107 proc unsigned_integral_args {} {
 108     global prompt
 109     global det_file
 110     global gcc_compiled
 111     global gdb_spawn_id
 112
 113     delete_breakpoints
 114
 115     gdb_breakpoint call1a;
 116     gdb_breakpoint call1b;
 117     gdb_breakpoint call1c;
 118     gdb_breakpoint call1d;
 119     gdb_breakpoint call1e;
 120
 121     # Run; should stop at call1a and print actual arguments.
 122     # The a29k fails all of these tests, perhaps because the prologue
 123     # code is broken.
 124     setup_xfail "a29k-*-udi"
 125     if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
 126     gdb_run_cmd
 127     expect {
 128         -i $gdb_spawn_id -re ".* call1a \\(uc=98 'b', us=6, ui=7, ul=8\\) .*$prompt $" {
 129             pass "run to call1a"
 130         }
 131         -i $gdb_spawn_id -re "$prompt $" { fail "run to call1a" ; return }
 132         -i $gdb_spawn_id timeout { fail "(timeout) run to call1a" ; return }
 133     }
 134
 135     # Print each arg as a double check to see if we can print
 136     # them here as well as with backtrace.
 137     gdb_test "print uc" ".* = 98 'b'"
 138     gdb_test "print us" ".* = 6"
 139     gdb_test "print ui" ".* = 7"
 140     gdb_test "print ul" ".* = 8"
 141
 142     # Continue; should stop at call1b and print actual arguments.
 143     if [gdb_test "cont" ".* call1b \\(us=6, ui=7, ul=8, uc=98 'b'\\) .*" "continue to call1b"] {
 144         return
 145     }
 146
 147     # Continue; should stop at call1c and print actual arguments.
 148     if [gdb_test "cont" ".* call1c \\(ui=7, ul=8, uc=98 'b', us=6\\) .*" "continue to call1c"] {
 149         return
 150     }
 151
 152     # Continue; should stop at call1d and print actual arguments.
 153     if [gdb_test "cont" ".* call1d \\(ul=8, uc=98 'b', us=6, ui=7\\) .*" "continue to call1d"] {
 154         return
 155     }
 156
 157     # Continue; should stop at call1e and print actual arguments.
 158     if [gdb_test "cont" ".* call1e \\(uc1=98 'b', ul=8, uc2=98 'b', ui=7, uc3=98 'b', us=6, uc4=98 'b', uc5=98 'b'\\) .*" "continue to call1e"] {
 159         return
 160     }
 161 }
 162
 163 #
 164 # Locate actual args; integrals mixed with floating point.
 165 #
 166
 167 proc float_and_integral_args {} {
 168     global prompt
 169     global det_file
 170     global gcc_compiled
 171     global gdb_spawn_id
 172
 173     delete_breakpoints
 174
 175     gdb_breakpoint call2a
 176     gdb_breakpoint call2b
 177     gdb_breakpoint call2c
 178     gdb_breakpoint call2d
 179     gdb_breakpoint call2e
 180     gdb_breakpoint call2f
 181     gdb_breakpoint call2g
 182     gdb_breakpoint call2h
 183
 184     # Run; should stop at call2a and print actual arguments.
 185
 186     setup_xfail "i960-*-*" 1813
 187     # The a29k fails all of these tests, perhaps because the prologue
 188     # code is broken.
 189     setup_xfail "a29k-*-udi"
 190     if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" "mips-sgi-irix5*" }
 191     gdb_run_cmd
 192     expect {
 193         -i $gdb_spawn_id -re ".* call2a \\(c=97 'a', f1=4, s=1, d1=5, i=2, f2=4, l=3, d2=5\\) .*$prompt $" { pass "run to call2a" }
 194         -i $gdb_spawn_id -re "$prompt $" { fail "run to call2a" ; return }
 195         -i $gdb_spawn_id timeout { fail "(timeout) run to call2a" ; return }
 196     }
 197
 198     # Print each arg as a double check to see if we can print
 199     gdb_test "print c" ".* = 97 'a'" "print c after run to call2a"
 200     gdb_test "print f1" ".* = 4" "print f1 after run to call2a"
 201     gdb_test "print s" ".* = 1" "print s after run to call2a"
 202     gdb_test "print d1" ".* = 5" "print d1 after run to call2a"
 203     gdb_test "print i" ".* = 2" "print i after run to call2a"
 204     gdb_test "print f2" ".* = 4" "print f2 after run to call2a"
 205     gdb_test "print l" ".* = 3" "print l after run to call2a"
 206     gdb_test "print d2" ".* = 5" "print d2 after run to call2a"
 207
 208     setup_xfail "rs6000-*-*"
 209     if {!$gcc_compiled} then { setup_xfail "mips-sgi-irix*" }
 210     # Continue; should stop at call2b and print actual arguments.
 211     if [gdb_test "cont" ".* call2b \\(f1=4, s=1, d1=5, i=2, f2=4, l=3, d2=5, c=97 'a'\\) .*" "continue to call2b"] {
 212         return
 213     }
 214
 215     # Continue; should stop at call2c and print actual arguments.
 216     if [gdb_test "cont" ".* call2c \\(s=1, d1=5, i=2, f2=4, l=3, d2=5, c=97 'a', f1=4\\) .*" "continue to call2c"] {
 217         return
 218     }
 219
 220     # Continue; should stop at call2d and print actual arguments.
 221     if [gdb_test "cont" ".* call2d \\(d1=5, i=2, f2=4, l=3, d2=5, c=97 'a', f1=4, s=1\\) .*" "continue to call2d"] {
 222         return
 223     }
 224
 225     # Continue; should stop at call2e and print actual arguments.
 226     if [gdb_test "cont" ".* call2e \\(i=2, f2=4, l=3, d2=5, c=97 'a', f1=4, s=1, d1=5\\) .*" "continue to call2e"] {
 227         return
 228     }
 229
 230     # Continue; should stop at call2f and print actual arguments.
 231     if [gdb_test "cont" ".* call2f \\(f2=4, l=3, d2=5, c=97 'a', f1=4, s=1, d1=5, i=2\\) .*" "continue to call2f"] {
 232         return
 233     }
 234
 235     # Continue; should stop at call2g and print actual arguments.
 236     if [gdb_test "cont" ".* call2g \\(l=3, d2=5, c=97 'a', f1=4, s=1, d1=5, i=2, f2=4\\) .*" "continue to call2g"] {
 237         return
 238     }
 239
 240     # Continue; should stop at call2h and print actual arguments.
 241     if [gdb_test "cont" ".* call2h \\(d2=5, c=97 'a', f1=4, s=1, d1=5, i=2, f2=4, l=3\\) .*" "continue to call2h"] {
 242         return
 243     }
 244
 245     # monitor only allows 8 breakpoints; w89k board allows 10, so
 246     # break them up into two groups.
 247     delete_breakpoints
 248     gdb_breakpoint call2i
 249
 250     # Continue; should stop at call2i and print actual arguments.
 251     if [gdb_test "cont" ".* call2i \\(c1=97 'a', f1=4, c2=97 'a', c3=97 'a', d1=5, c4=97 'a', c5=97 'a', c6=97 'a', f2=4, s=1, c7=97 'a', d2=5\\) .*" "continue to call2i"] {
 252         return
 253     }
 254 }
 255
 256 #
 257 # Locate actual args; dereference pointers to ints and floats.
 258 #
 259
 260 proc pointer_args {} {
 261     global prompt
 262     global hex
 263     global det_file
 264     global gdb_spawn_id
 265
 266     delete_breakpoints
 267
 268     gdb_breakpoint call3a
 269     gdb_breakpoint call3b
 270     gdb_breakpoint call3c
 271
 272     # Run; should stop at call3a and print actual arguments.
 273     # Try dereferencing the arguments.
 274
 275     # The a29k fails all of these tests, perhaps because the prologue
 276     # code is broken.
 277     setup_xfail "a29k-*-udi"
 278     gdb_run_cmd
 279     expect {
 280         -i $gdb_spawn_id -re ".* call3a \\(cp=$hex \"a\", sp=$hex, ip=$hex, lp=$hex\\) .*$prompt $" { pass "run to call3a" }
 281         -i $gdb_spawn_id -re "$prompt $" { fail "run to call3a" ; return }
 282         -i $gdb_spawn_id timeout { fail "(timeout) run to call3a" ; return }
 283     }
 284
 285     gdb_test "print *cp" ".* = 97 'a'"
 286     gdb_test "print *sp" ".* = 1"
 287     gdb_test "print *ip" ".* = 2"
 288     gdb_test "print *lp" ".* = 3"
 289
 290     # Continue; should stop at call3b and print actual arguments.
 291     # Try dereferencing the arguments.
 292     if [gdb_test "cont" ".* call3b \\(ucp=$hex \"b\", usp=$hex, uip=$hex, ulp=$hex\\) .*" "continue to call3b"] {
 293         return
 294     }
 295
 296     gdb_test "print *ucp" ".* = 98 'b'"
 297     gdb_test "print *usp" ".* = 6"
 298     gdb_test "print *uip" ".* = 7"
 299     gdb_test "print *ulp" ".* = 8"
 300
 301     # Continue; should stop at call3c and print actual arguments.
 302     # Try dereferencing the arguments.
 303     if [gdb_test "cont" ".* call3c \\(fp=$hex, dp=$hex\\) .*" "continue to call3c"] {
 304         return
 305     }
 306
 307     gdb_test "print *fp" ".* = 4"
 308     gdb_test "print *dp" ".* = 5"
 309
 310     pass "locate actual args, pointer types"
 311 }
 312
 313 #
 314 # Locate actual args; structures and unions passed by reference.
 315 #
 316
 317 proc structs_by_reference {} {
 318     global prompt
 319     global hex
 320     global det_file
 321     global gdb_spawn_id
 322
 323     delete_breakpoints
 324
 325     gdb_breakpoint call4a
 326     gdb_breakpoint call4b
 327
 328     # Run; should stop at call4a and print actual arguments.
 329     # Try dereferencing the arguments.
 330
 331     # The a29k fails all of these tests, perhaps because the prologue
 332     # code is broken.
 333     setup_xfail "a29k-*-udi"
 334     gdb_run_cmd
 335     expect {
 336         -i $gdb_spawn_id -re ".* call4a \\(stp=$hex\\) .*$prompt $" {
 337             pass "run to call4a"
 338         }
 339         -i $gdb_spawn_id -re "$prompt $" { fail "run to call4a" ; return }
 340         -i $gdb_spawn_id timeout { fail "(timeout) run to call4a" ; return }
 341     }
 342
 343     gdb_test "print *stp" ".* = \{s1 = 101, s2 = 102\}"
 344
 345     # Continue; should stop at call4b and print actual arguments.
 346     # Try dereferencing the arguments.
 347
 348     gdb_test "cont" ".* call4b \\(unp=$hex\\) .*" "continue to call4b"
 349
 350     # sizeof int != sizeof long on h8300
 351     setup_xfail "h8300*-*-*"
 352     gdb_test "print *unp" ".* = \{u1 = 1, u2 = 1\}"
 353
 354     pass "locate actual args, structs/unions passed by reference"
 355 }
 356
 357 #
 358 # Locate actual args; structures and unions passed by value.
 359 #
 360
 361 proc structs_by_value {} {
 362     global prompt
 363     global hex
 364     global det_file
 365     global gdb_spawn_id
 366
 367     delete_breakpoints
 368
 369     gdb_breakpoint call5a
 370     gdb_breakpoint call5b
 371
 372     # Run; should stop at call5a and print actual arguments.
 373     # Try dereferencing the arguments.
 374
 375     # The a29k fails all of these tests, perhaps because the prologue
 376     # code is broken.
 377     setup_xfail "a29k-*-udi"
 378     gdb_run_cmd
 379     expect {
 380         -i $gdb_spawn_id -re ".* call5a \\(st=\{s1 = 101, s2 = 102\}\\) .*$prompt $" {
 381             pass "run to call5a"
 382         }
 383         -i $gdb_spawn_id -re "$prompt $" { fail "run to call5a" ; return }
 384         -i $gdb_spawn_id timeout { fail "(timeout) run to call5a" ; return }
 385     }
 386
 387     gdb_test "print st" ".* = \{s1 = 101, s2 = 102\}"
 388
 389     # Continue; should stop at call5b and print actual arguments.
 390     # Try dereferencing the arguments.
 391     # sizeof int != sizeof long on h8300
 392     setup_xfail "h8300*-*-*"
 393     gdb_test "cont" ".* call5b \\(un=\{u1 = 2, u2 = 2\}\\) .*" \
 394         "continue to call5b"
 395
 396     # sizeof int != sizeof long on h8300
 397     setup_xfail "h8300*-*-*"
 398     gdb_test "print un" ".* = \{u1 = 2, u2 = 2\}"
 399 }
 400
 401 #
 402 # Locate actual args; discard, shuffle, and call
 403 #
 404
 405 proc discard_and_shuffle {} {
 406     global prompt
 407     global hex
 408     global decimal
 409     global det_file
 410     global gcc_compiled
 411     global gdb_spawn_id
 412
 413     delete_breakpoints
 414
 415     gdb_breakpoint call6a
 416     gdb_breakpoint call6b
 417     gdb_breakpoint call6c
 418     gdb_breakpoint call6d
 419     gdb_breakpoint call6e
 420     gdb_breakpoint call6f
 421     gdb_breakpoint call6g
 422     gdb_breakpoint call6h
 423
 424     # Run; should stop at call6a and print actual arguments.
 425     # Print backtrace.
 426
 427     # The a29k fails all of these tests, perhaps because the prologue
 428     # code is broken.
 429     setup_xfail "a29k-*-udi"
 430     gdb_run_cmd
 431     expect {
 432         -i $gdb_spawn_id -re ".*Breakpoint $decimal, call6a .*$prompt $" { pass "run to call6a" }
 433         -i $gdb_spawn_id -re "$prompt $" { fail "run to call6a" ; return }
 434         -i $gdb_spawn_id timeout { fail "(timeout) run to call6a" ; return }
 435     }
 436
 437     setup_xfail "rs6000-*-*"
 438
 439     if {!$gcc_compiled} {
 440         setup_xfail "mips-sgi-irix5*"
 441     }
 442
 443     if [gdb_test "backtrace 100" ".* call6a \\(c=97 'a', s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* main \\(.*\\) .*\[\r\n\]" "backtrace from call6a"] {
 444         return;
 445     }
 446
 447     # Continue; should stop at call6b and print actual arguments.
 448     # Print backtrace.
 449
 450     gdb_continue call6b
 451
 452     if [gdb_test "backtrace 100" ".* call6b \\(s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\]*.* call6a \\(c=97 'a', s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* main \\(.*\\) .*\[\r\n\]" "backtrace from call6b"] {
 453         return;
 454     }
 455
 456     # Continue; should stop at call6c and print actual arguments.
 457     # Print backtrace.
 458
 459     gdb_continue call6c
 460
 461     if [gdb_test "backtrace 100" ".* call6c \\(i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6b \\(s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6a \\(c=97 'a', s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n].* main \\(.*\\) .*" "backtrace from call6c"] {
 462         return;
 463     }
 464     # Continue; should stop at call6d and print actual arguments.
 465     # Print backtrace.
 466
 467     gdb_continue call6d
 468
 469     if [gdb_test "backtrace 100" ".* call6d \\(l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6c \\(i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6b \\(s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6a \\(c=97 'a', s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n].* main \\(.*\\) .*" "backtrace from call6d"] {
 470         return;
 471     }
 472
 473     # Continue; should stop at call6e and print actual arguments.
 474     # Print backtrace.
 475
 476     gdb_continue call6e
 477
 478     if [gdb_test "backtrace 100" ".* call6e \\(f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6d \\(l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6c \\(i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6b \\(s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6a \\(c=97 'a', s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n].* main \\(.*\\) .*" "backtrace from call6e"] {
 479         return;
 480     }
 481
 482     # Continue; should stop at call6f and print actual arguments.
 483     # Print backtrace.
 484
 485     gdb_continue call6f
 486
 487     if [gdb_test "backtrace 100" ".* call6f \\(d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6e \\(f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6d \\(l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6c \\(i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6b \\(s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6a \\(c=97 'a', s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n].* main \\(.*\\) .*" "backtrace from call6f"] {
 488         return;
 489     }
 490
 491     # Continue; should stop at call6g and print actual arguments.
 492     # Print backtrace.
 493
 494     gdb_continue call6g
 495
 496     if [gdb_test "backtrace 100" ".* call6g \\(uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6f \\(d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6e \\(f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6d \\(l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6c \\(i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6b \\(s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6a \\(c=97 'a', s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n].* main \\(.*\\) .*" "backtrace from call6g"] {
 497         return;
 498     }
 499
 500     # Continue; should stop at call6h and print actual arguments.
 501     # Print backtrace.
 502
 503     gdb_continue call6h
 504
 505     if [gdb_test "backtrace 100" ".* call6h \\(us=6, ui=7, ul=8\\) .*\[\r\n\].* call6g \\(uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6f \\(d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6e \\(f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6d \\(l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6c \\(i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6b \\(s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6a \\(c=97 'a', s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n].* main \\(.*\\) .*" "backtrace from call6h"] {
 506         return;
 507     }
 508
 509     # monitor only allows 8 breakpoints; w89k board allows 10, so
 510     # break them up into two groups.
 511     delete_breakpoints
 512     gdb_breakpoint call6i
 513     gdb_breakpoint call6j
 514     gdb_breakpoint call6k
 515
 516     # Continue; should stop at call6i and print actual arguments.
 517     # Print backtrace.
 518
 519     gdb_continue call6i
 520
 521     if [gdb_test "backtrace 100" ".* call6i \\(ui=7, ul=8\\) .*\[\r\n\].* call6h \\(us=6, ui=7, ul=8\\) .*\[\r\n\].* call6g \\(uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6f \\(d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6e \\(f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6d \\(l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6c \\(i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6b \\(s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6a \\(c=97 'a', s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n].* main \\(.*\\) .*" "backtrace from call6i"] {
 522         return;
 523     }
 524
 525     # Continue; should stop at call6j and print actual arguments.
 526     # Print backtrace.
 527
 528     gdb_continue call6j
 529
 530     if [gdb_test "backtrace 100" ".* call6j \\(ul=8\\) .*\[\r\n\].* call6i \\(ui=7, ul=8\\) .*\[\r\n\].* call6h \\(us=6, ui=7, ul=8\\) .*\[\r\n\].* call6g \\(uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6f \\(d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6e \\(f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6d \\(l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6c \\(i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6b \\(s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6a \\(c=97 'a', s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n].* main \\(.*\\) .*" "backtrace from call6j"] {
 531         return;
 532     }
 533
 534     # Continue; should stop at call6k and print actual arguments.
 535     # Print backtrace.
 536     # This fails on i960-*-vxworks because gdb gets confused by
 537     # breakpoints on adjacent instructions.
 538     setup_xfail "i960-*-vxworks" 1786
 539     gdb_continue call6k
 540
 541     if [gdb_test "backtrace 100" ".* call6k \\(\\) .*\[\r\n\].* call6j \\(ul=8\\) .*\[\r\n\].* call6i \\(ui=7, ul=8\\) .*\[\r\n\].* call6h \\(us=6, ui=7, ul=8\\) .*\[\r\n\].* call6g \\(uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6f \\(d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6e \\(f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6d \\(l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6c \\(i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6b \\(s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n\].* call6a \\(c=97 'a', s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\) .*\[\r\n].* main \\(.*\\) .*" "backtrace from call6k"] {
 542         return;
 543     }
 544 }
 545
 546 #
 547 # Locate actual args; shuffle round robin and call
 548 #
 549
 550 proc shuffle_round_robin {} {
 551     global prompt
 552     global hex
 553     global decimal
 554     global det_file
 555     global gcc_compiled
 556     global gdb_spawn_id
 557
 558     delete_breakpoints
 559
 560     gdb_breakpoint call7a
 561     gdb_breakpoint call7b
 562     gdb_breakpoint call7c
 563     gdb_breakpoint call7d
 564     gdb_breakpoint call7e
 565     gdb_breakpoint call7f
 566     gdb_breakpoint call7g
 567     gdb_breakpoint call7h
 568
 569     # Run; should stop at call7a and print actual arguments.
 570     # Print backtrace.
 571
 572     # The a29k fails all of these tests, perhaps because the prologue
 573     # code is broken.
 574     setup_xfail "a29k-*-udi"
 575     gdb_run_cmd
 576     expect {
 577         -i $gdb_spawn_id -re ".*Breakpoint $decimal, call7a .*$prompt $" {
 578             pass "run to call7a"
 579         }
 580         -i $gdb_spawn_id -re "$prompt $" { fail "run to call7a" ; return }
 581         -i $gdb_spawn_id timeout { fail "(timeout) run to call7a" ; return }
 582     }
 583
 584     setup_xfail "i960-*-*" 1813
 585     if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" "mips-sgi-irix5*" }
 586     gdb_test "backtrace 100" ".* call7a \\(c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7\\) .*\[\r\n\].* main \\(.*\\) .*\[\r\n\].*" "backtrace from call7a"
 587
 588     # Continue; should stop at call7b and print actual arguments.
 589     # Print backtrace.
 590
 591     gdb_continue call7b
 592
 593     if {$gcc_compiled} then { setup_xfail "rs6000-*-*" }
 594
 595     gdb_test "backtrace 100" ".* call7b \\(i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a'\\) .*\[\r\n\].* call7a \\(c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7\\) .*\[\r\n\].* main \\(.*\\) .*\[\r\n\].*" "backtrace from call7b"
 596
 597     # Continue; should stop at call7c and print actual arguments.
 598     # Print backtrace.
 599
 600     gdb_continue call7c
 601
 602     gdb_test "backtrace 100" ".* call7c \\(s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2\\) .*\[\r\n\].* call7b \\(i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a'\\) .*\[\r\n\].* call7a \\(c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7\\) .*\[\r\n\].* main \\(.*\\) .*\[\r\n\].*" "backtrace from call7c"
 603
 604     # Continue; should stop at call7d and print actual arguments.
 605     # Print backtrace.
 606
 607     gdb_continue call7d
 608
 609     gdb_test "backtrace 100" ".* call7d \\(l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1\\) .*\[\r\n\].* call7c \\(s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2\\) .*\[\r\n\].* call7b \\(i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a'\\) .*\[\r\n\].* call7a \\(c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7\\) .*\[\r\n\].* main \\(.*\\) .*\[\r\n\].*" "backtrace from call7d"
 610
 611     gdb_continue call7e
 612
 613     gdb_test "backtrace 100" ".* call7e \\(f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3\\) .*\[\r\n\].* call7d \\(l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1\\) .*\[\r\n\].* call7c \\(s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2\\) .*\[\r\n\].* call7b \\(i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a'\\) .*\[\r\n\].* call7a \\(c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7\\) .*\[\r\n\].* main \\(.*\\) .*\[\r\n\].*" "backtrace from call7e"
 614
 615     # Continue; should stop at call7f and print actual arguments.
 616     # Print backtrace.
 617
 618     gdb_continue call7f
 619
 620     gdb_test "backtrace 100" ".* call7f \\(uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4\\) .*\[\r\n\].* call7e \\(f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3\\) .*\[\r\n\].* call7d \\(l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1\\) .*\[\r\n\].* call7c \\(s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2\\) .*\[\r\n\].* call7b \\(i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a'\\) .*\[\r\n\].* call7a \\(c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7\\) .*\[\r\n\].* main \\(.*\\) .*\[\r\n\].*" "backtrace from call7f"
 621
 622     # Continue; should stop at call7g and print actual arguments.
 623     # Print backtrace.
 624
 625     gdb_continue call7g
 626
 627     gdb_test "backtrace 100" ".* call7g \\(d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b'\\) .*\[\r\n\].* call7f \\(uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4\\) .*\[\r\n\].* call7e \\(f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3\\) .*\[\r\n\].* call7d \\(l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1\\) .*\[\r\n\].* call7c \\(s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2\\) .*\[\r\n\].* call7b \\(i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a'\\) .*\[\r\n\].* call7a \\(c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7\\) .*\[\r\n\].* main \\(.*\\) .*\[\r\n\].*" "backtrace from call7g"
 628
 629     gdb_continue call7h
 630
 631     gdb_test "backtrace 100" ".* call7h \\(us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5\\) .*\[\r\n\].* call7g \\(d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b'\\) .*\[\r\n\].* call7f \\(uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4\\) .*\[\r\n\].* call7e \\(f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3\\) .*\[\r\n\].* call7d \\(l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1\\) .*\[\r\n\].* call7c \\(s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2\\) .*\[\r\n\].* call7b \\(i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a'\\) .*\[\r\n\].* call7a \\(c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7\\) .*\[\r\n\].* main \\(.*\\) .*\[\r\n\].*" "backtrace from call7h"
 632
 633     # monitor only allows 8 breakpoints; w89k board allows 10, so
 634     # break them up into two groups.
 635     delete_breakpoints
 636     gdb_breakpoint call7i
 637     gdb_breakpoint call7j
 638     gdb_breakpoint call7k
 639
 640     # Continue; should stop at call7i and print actual arguments.
 641     # Print backtrace.
 642
 643     gdb_continue call7i
 644
 645     gdb_test "backtrace 100" ".* call7i \\(ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6\\) .*\[\r\n\].* call7h \\(us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5\\) .*\[\r\n\].* call7g \\(d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b'\\) .*\[\r\n\].* call7f \\(uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4\\) .*\[\r\n\].* call7e \\(f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3\\) .*\[\r\n\].* call7d \\(l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1\\) .*\[\r\n\].* call7c \\(s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2\\) .*\[\r\n\].* call7b \\(i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a'\\) .*\[\r\n\].* call7a \\(c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7\\) .*\[\r\n\].* main \\(.*\\) .*\[\r\n\].*" "backtrace from call7i"
 646
 647     # Continue; should stop at call7j and print actual arguments.
 648     # Print backtrace.
 649
 650     gdb_continue call7j
 651
 652     gdb_test "backtrace 100" ".* call7j \\(ui=7, c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8\\) .*\[\r\n\].* call7i \\(ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6\\) .*\[\r\n\].* call7h \\(us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5\\) .*\[\r\n\].* call7g \\(d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b'\\) .*\[\r\n\].* call7f \\(uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4\\) .*\[\r\n\].* call7e \\(f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3\\) .*\[\r\n\].* call7d \\(l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1\\) .*\[\r\n\].* call7c \\(s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2\\) .*\[\r\n\].* call7b \\(i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a'\\) .*\[\r\n\].* call7a \\(c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7\\) .*\[\r\n\].* main \\(.*\\) .*\[\r\n\].*" "backtrace from call7j"
 653
 654     # Continue; should stop at call7k and print actual arguments.
 655     # Print backtrace.
 656
 657     gdb_continue call7k
 658
 659     if {!$gcc_compiled} then { setup_xfail "mips-sgi-irix*" }
 660     gdb_test "backtrace 100" ".* call7k \\(c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7\\) .*\[\r\n\].* call7j \\(ui=7, c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8\\) .*\[\r\n\].* call7i \\(ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6\\) .*\[\r\n\].* call7h \\(us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5\\) .*\[\r\n\].* call7g \\(d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b'\\) .*\[\r\n\].* call7f \\(uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4\\) .*\[\r\n\].* call7e \\(f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3\\) .*\[\r\n\].* call7d \\(l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1\\) .*\[\r\n\].* call7c \\(s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2\\) .*\[\r\n\].* call7b \\(i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a'\\) .*\[\r\n\].* call7a \\(c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7\\) .*\[\r\n\].* main \\(.*\\) .*\[\r\n\].*" "backtrace from call7k"
 661 }
 662
 663 #
 664 # Locate actual args; recursive passing of structs by value
 665 #
 666
 667 proc recursive_structs_by_value {} {
 668     global prompt
 669     global hex
 670     global decimal
 671     global det_file
 672     global gdb_spawn_id
 673
 674     delete_breakpoints
 675
 676     gdb_breakpoint hitbottom
 677
 678     # Run; should stop at hitbottom and print actual arguments.
 679     # Print backtrace.
 680     gdb_run_cmd
 681     expect {
 682         -i $gdb_spawn_id -re ".*Breakpoint $decimal, hitbottom .*$prompt $" { pass "run to hitbottom" }
 683         -i $gdb_spawn_id -re "$prompt $" { fail "run to hitbottom" ; return }
 684         -i $gdb_spawn_id timeout { fail "(timeout) run to hitbottom" ; return }
 685     }
 686
 687     if ![istarget sparclet-*-*] {
 688     # The a29k fails all of these tests, perhaps because the prologue
 689     # code is broken.
 690         setup_xfail "a29k-*-udi"
 691         gdb_test "backtrace 100" ".* hitbottom \\(\\) .*\[\r\n\].* recurse \\(a=\{s = 0, i = 0, l = 0\}, depth=0\\) .*\[\r\n\].* recurse \\(a=\{s = 1, i = 1, l = 1\}, depth=1\\) .*\[\r\n\].* recurse \\(a=\{s = 2, i = 2, l = 2\}, depth=2\\) .*\[\r\n\].* recurse \\(a=\{s = 3, i = 3, l = 3\}, depth=3\\) .*\[\r\n\].* recurse \\(a=\{s = 4, i = 4, l = 4\}, depth=4\\) .*\[\r\n\].* test_struct_args \\(\\) .*\[\r\n\].* main \\(.*\\) .*\[\r\n\]" "recursive passing of structs by value"
 692     } else {
 693         fail "recursive passing of structs by value (sparclet)"
 694     }
 695 }
 696
 697 proc funcargs_reload { } {
 698     global objdir
 699     global subdir
 700     global binfile
 701     global srcdir
 702
 703     if [istarget "mips-idt-*"] {
 704         # Restart because IDT/SIM runs out of file descriptors.
 705         gdb_exit
 706         gdb_start
 707         gdb_reinitialize_dir $srcdir/$subdir
 708         gdb_load ${binfile}
 709     }
 710 }
 711
 712 #
 713 # Test for accessing local stack variables in functions which call alloca
 714 #
 715 proc localvars_after_alloca { } {
 716     global prompt
 717     global hex
 718     global decimal
 719     global gcc_compiled
 720
 721     if { ! [ runto localvars_after_alloca ] } then { return 0 }
 722
 723     # Print each arg as a double check to see if we can print
 724     # them here as well as with backtrace.
 725
 726     if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
 727     gdb_test "print c" " = 97 'a'" "print c after runto localvars_after_alloca"
 728     if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
 729     gdb_test "print s" " = 1" "print s after runto localvars_after_alloca"
 730     gdb_test "print i" " = 2" "print i after runto localvars_after_alloca"
 731     gdb_test "print l" " = 3" "print l after runto localvars_after_alloca"
 732
 733     # Lame regexp.
 734     gdb_test "next" ".*" "next in localvars_after_alloca()"
 735
 736     # Print each arg as a double check to see if we can print
 737     # them here as well as with backtrace.
 738
 739     gdb_test "print c" " = 97 'a'" "print c in localvars_after_alloca"
 740     gdb_test "print s" " = 1" "print s in localvars_after_alloca"
 741     gdb_test "print i" " = 2" "print i in localvars_after_alloca"
 742     gdb_test "print l" " = 3" "print l in localvars_after_alloca"
 743
 744     gdb_test "backtrace 8" "#0.*localvars_after_alloca \\(c=97 'a', s=1, i=2, l=3\\).*#1.*main.*" "backtrace after alloca"
 745 }
 746
 747 proc call_after_alloca { } {
 748     global prompt
 749     global hex
 750     global decimal
 751     global gcc_compiled
 752
 753     if { ! [ runto call_after_alloca_subr ] } then { return 0 }
 754
 755     # Print each arg as a double check to see if we can print
 756     # them here as well as with backtrace.
 757
 758     if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
 759     gdb_test "print c" " = 97 'a'" "print c in call_after_alloca"
 760     if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
 761     gdb_test "print s" " = 1" "print s in call_after_alloca"
 762     gdb_test "print i" " = 2" "print i in call_after_alloca"
 763     gdb_test "print l" " = 3" "print l in call_after_alloca"
 764
 765     if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
 766     gdb_test "backtrace 8" "#0.*call_after_alloca_subr \\(c=97 'a', s=1, i=2, l=3, uc=98 'b', us=11, ui=12, ul=13\\).*#1.*call_after_alloca \\(c=97 'a', s=1, i=2, l=3\\).*#2.*main.*" "backtrace from call_after_alloca_subr"
 767 }
 768
 769 #
 770 # Test for accessing local stack variables, backtraces, finish,
 771 # and finally stepping into indirect calls.  The point is that on the PA
 772 # these use a funky `dyncall' mechanism which GDB needs to know about.
 773 #
 774 proc localvars_in_indirect_call { } {
 775     global prompt
 776     global hex
 777     global decimal
 778     global gcc_compiled
 779     global gdb_spawn_id
 780
 781     # Can not use "runto call0a" as call0a is called several times
 782     # during single run.  Instead stop in a marker function and
 783     # take control from there.
 784     if { ! [ runto marker_indirect_call ] } then { return 0 }
 785
 786     # break on the next call to call0a, then delete all the breakpoints
 787     # and start testing.
 788     gdb_breakpoint call0a
 789     gdb_continue call0a
 790     delete_breakpoints
 791
 792     # Print each arg as a double check to see if we can print
 793     # them here as well as with backtrace.
 794
 795     if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
 796     gdb_test "print c" " = 97 'a'" "print c in localvars_in_indirect_call"
 797     if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
 798     gdb_test "print s" " = 1" "print s in localvars_in_indirect_call"
 799     gdb_test "print i" " = 2" "print i in localvars_in_indirect_call"
 800     gdb_test "print l" " = 3" "print l in localvars_in_indirect_call"
 801
 802     if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
 803     gdb_test "backtrace 8" \
 804         "#0.*call0a \\(c=97 'a', s=1, i=2, l=3\\).*#1.*main.*" \
 805         "backtrace in indirectly called function"
 806
 807     #
 808     # "finish" brings us back to main.  We then will try to step through
 809     # the second indirect call.
 810     # On some targets (e.g. m68k) gdb will stop from the finish in midline
 811     # of the first indirect call. This is due to stack adjustment instructions
 812     # after the indirect call. In these cases we will step till we hit the
 813     # second indirect call.
 814     #
 815
 816     send_gdb "finish\n"
 817     expect {
 818         -i $gdb_spawn_id -re "\\(\\*pointer_to_call0a\\) \\(c, s, i, l\\);.*First.*$prompt $" {
 819             send_gdb "step\n"
 820             exp_continue
 821         }
 822         -i $gdb_spawn_id -re "\\(\\*pointer_to_call0a\\) \\(c, s, i, l\\);.*Second.*$prompt $" {
 823             pass "finish from indirectly called function"
 824         }
 825         -i $gdb_spawn_id -re ".*$prompt $" {
 826             fail "finish from indirectly called function"
 827             return
 828         }
 829         -i $gdb_spawn_id default { fail "finish from indirectly called function" ; return }
 830     }
 831
 832     if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
 833     gdb_test "step" "call0a \\(c=97 'a', s=1, i=2, l=3\\).*" \
 834         "stepping into indirectly called function"
 835 }
 836
 837 # Start with a fresh gdb.
 838 #
 839 # Test for stepping into indirect calls which may have trampolines (possibly
 840 # cascaded) on both the call path and the return path.
 841 # to handle trampolines.
 842 #
 843 proc test_stepping_over_trampolines { } {
 844     global prompt
 845     global hex
 846     global decimal
 847     global gdb_spawn_id
 848
 849     # Stop in a marker function and take control from there.
 850     if { ! [ runto marker_call_with_trampolines ] } then { return 0 }
 851
 852     # Cater for gdb stopping in midline, see comment for finish above.
 853     send_gdb "finish\n"
 854     expect {
 855         -i $gdb_spawn_id -re "marker_call_with_trampolines ..;.*$prompt $" {
 856             send_gdb "step\n"
 857             exp_continue
 858         }
 859         -i $gdb_spawn_id -re "pointer_to_call_with_trampolines.*$prompt $" {
 860             pass "finish from marker_call_with_trampolines"
 861         }
 862         -i $gdb_spawn_id -re ".*$prompt $" {
 863             fail "finish from marker_call_with_trampolines"
 864         }
 865         -i $gdb_spawn_id default { fail "finish from marker_call_with_trampolines" ; return 0 }
 866     }
 867
 868     # Try to step into the target function.
 869     gdb_test "step" "call_with_trampolines \\(d1=5\\).*" \
 870         "stepping into function called with trampolines"
 871
 872     # Make we can backtrace and the argument looks correct.  */
 873     gdb_test "backtrace 8" "#0.*call_with_trampolines \\(d1=5\\).*1.*main.*" \
 874         "backtrace through call with trampolines"
 875
 876     # Make sure we can get back to main.
 877     # Stepping back to main might stop again after the return statement
 878     # or immediately transfer control back to main if optimizations
 879     # are performed.
 880     send_gdb "step\n"
 881     expect {
 882         -i $gdb_spawn_id -re "main .* at.*$prompt $" {
 883             pass "stepping back to main from function called with trampolines" ;
 884             return 1
 885         }
 886         -i $gdb_spawn_id -re "\}.*End of call_with_trampolines.*$prompt $" {
 887             send_gdb "step\n"
 888             exp_continue
 889         }
 890         -i $gdb_spawn_id -re ".*$prompt $" {
 891             fail "stepping back to main from function called with trampolines"
 892         }
 893         -i $gdb_spawn_id default { fail "stepping back to main from function called with trampolines" ; return 0 }
 894     }
 895 }
 896
 897 # Start with a fresh gdb.
 898
 899 gdb_exit
 900 gdb_start
 901 gdb_reinitialize_dir $srcdir/$subdir
 902 gdb_load ${binfile}
 903
 904 set timeout 60
 905
 906 integral_args
 907 funcargs_reload
 908 unsigned_integral_args
 909 funcargs_reload
 910 float_and_integral_args
 911 funcargs_reload
 912 pointer_args
 913 funcargs_reload
 914 structs_by_reference
 915 funcargs_reload
 916 structs_by_value
 917 funcargs_reload
 918 discard_and_shuffle
 919 funcargs_reload
 920 shuffle_round_robin
 921 funcargs_reload
 922 recursive_structs_by_value
 923 funcargs_reload
 924 localvars_after_alloca
 925 funcargs_reload
 926 call_after_alloca
 927 funcargs_reload
 928 localvars_in_indirect_call
 929 funcargs_reload
 930 test_stepping_over_trampolines