gdb/testsuite/gdb.base/funcargs.exp

   1 # Copyright (C) 1992, 1994, 1995, 1997 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      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  34 }
  35
  36 # Create and source the file that provides information about the compiler
  37 # used to compile the test case.
  38 if [get_compiler_info ${binfile}] {
  39     return -1;
  40 }
  41
  42 #
  43 # Locate actual args; integral types.
  44 #
  45
  46 proc integral_args {} {
  47     global gdb_prompt
  48     global det_file
  49     global gcc_compiled
  50
  51     delete_breakpoints
  52
  53     gdb_breakpoint call0a
  54     gdb_breakpoint call0b
  55     gdb_breakpoint call0c
  56     gdb_breakpoint call0d
  57     gdb_breakpoint call0e
  58
  59     # Run; should stop at call0a and print actual arguments.
  60     # The a29k fails all of these tests, perhaps because the prologue
  61     # code is broken.
  62     setup_xfail "a29k-*-udi"
  63     if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
  64     gdb_run_cmd
  65     gdb_expect {
  66          -re ".* call0a \\(c=97 'a', s=1, i=2, l=3\\) .*$gdb_prompt $" {
  67             pass "run to call0a"
  68         }
  69          -re "$gdb_prompt $"  { fail "run to call0a" ; gdb_suppress_tests }
  70          timeout { fail "(timeout) run to call0a" ; gdb_suppress_tests }
  71     }
  72
  73     # Print each arg as a double check to see if we can print
  74     # them here as well as with backtrace.
  75     gdb_test "print c" ".* = 97 'a'" "print c after run to call0a"
  76     gdb_test "print s" ".* = 1" "print s after run to call0a"
  77     gdb_test "print i" ".* = 2" "print i after run to call0a"
  78     gdb_test "print l " ".* = 3" "print l after run to call0a"
  79
  80     # Continue; should stop at call0b and print actual arguments.
  81     if [gdb_test "cont" ".* call0b \\(s=1, i=2, l=3, c=97 'a'\\) .*" "continue to call0b"] {
  82         gdb_suppress_tests;
  83     }
  84
  85     # Continue; should stop at call0c and print actual arguments.
  86     if [gdb_test "cont" ".* call0c \\(i=2, l=3, c=97 'a', s=1\\) .*" "continue to call0c"] {
  87         gdb_suppress_tests;
  88     }
  89
  90     # Continue; should stop at call0d and print actual arguments.
  91     if [gdb_test "cont" ".* call0d \\(l=3, c=97 'a', s=1, i=2\\) .*" "continue to call0d";] {
  92         gdb_suppress_tests;
  93     }
  94
  95     # Continue; should stop at call0e and print actual arguments.
  96     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" ] {
  97         gdb_suppress_tests;
  98     }
  99     gdb_stop_suppressing_tests;
 100 }
 101
 102 #
 103 # Locate actual args; unsigned integral types.
 104 #
 105
 106 proc unsigned_integral_args {} {
 107     global gdb_prompt
 108     global det_file
 109     global gcc_compiled
 110
 111     delete_breakpoints
 112
 113     gdb_breakpoint call1a;
 114     gdb_breakpoint call1b;
 115     gdb_breakpoint call1c;
 116     gdb_breakpoint call1d;
 117     gdb_breakpoint call1e;
 118
 119     # Run; should stop at call1a and print actual arguments.
 120     # The a29k fails all of these tests, perhaps because the prologue
 121     # code is broken.
 122     setup_xfail "a29k-*-udi"
 123     if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
 124     gdb_run_cmd
 125     gdb_expect {
 126          -re ".* call1a \\(uc=98 'b', us=6, ui=7, ul=8\\) .*$gdb_prompt $" {
 127             pass "run to call1a"
 128         }
 129          -re "$gdb_prompt $" { fail "run to call1a" ; gdb_suppress_tests; }
 130          timeout { fail "(timeout) run to call1a" ; gdb_suppress_tests; }
 131     }
 132
 133     # Print each arg as a double check to see if we can print
 134     # them here as well as with backtrace.
 135     gdb_test "print uc" ".* = 98 'b'"
 136     gdb_test "print us" ".* = 6"
 137     gdb_test "print ui" ".* = 7"
 138     gdb_test "print ul" ".* = 8"
 139
 140     # Continue; should stop at call1b and print actual arguments.
 141     if [gdb_test "cont" ".* call1b \\(us=6, ui=7, ul=8, uc=98 'b'\\) .*" "continue to call1b"] {
 142         gdb_suppress_tests;
 143     }
 144
 145     # Continue; should stop at call1c and print actual arguments.
 146     if [gdb_test "cont" ".* call1c \\(ui=7, ul=8, uc=98 'b', us=6\\) .*" "continue to call1c"] {
 147         gdb_suppress_tests;
 148     }
 149
 150     # Continue; should stop at call1d and print actual arguments.
 151     if [gdb_test "cont" ".* call1d \\(ul=8, uc=98 'b', us=6, ui=7\\) .*" "continue to call1d"] {
 152         gdb_suppress_tests;
 153     }
 154
 155     # Continue; should stop at call1e and print actual arguments.
 156     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"] {
 157         gdb_suppress_tests;
 158     }
 159     gdb_stop_suppressing_tests;
 160 }
 161
 162 #
 163 # Locate actual args; integrals mixed with floating point.
 164 #
 165
 166 proc float_and_integral_args {} {
 167     global gdb_prompt
 168     global det_file
 169     global gcc_compiled
 170
 171     delete_breakpoints
 172
 173     gdb_breakpoint call2a
 174     gdb_breakpoint call2b
 175     gdb_breakpoint call2c
 176     gdb_breakpoint call2d
 177     gdb_breakpoint call2e
 178     gdb_breakpoint call2f
 179     gdb_breakpoint call2g
 180     gdb_breakpoint call2h
 181
 182     # Run; should stop at call2a and print actual arguments.
 183
 184     setup_xfail "i960-*-*" 1813
 185     # The a29k fails all of these tests, perhaps because the prologue
 186     # code is broken.
 187     setup_xfail "a29k-*-udi"
 188     if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" "mips-sgi-irix5*" }
 189     gdb_run_cmd
 190     gdb_expect {
 191          -re ".* call2a \\(c=97 'a', f1=4, s=1, d1=5, i=2, f2=4, l=3, d2=5\\) .*$gdb_prompt $" { pass "run to call2a" }
 192          -re "$gdb_prompt $" { fail "run to call2a" ; gdb_suppress_tests; }
 193          timeout { fail "(timeout) run to call2a" ; gdb_suppress_tests; }
 194     }
 195
 196     # Print each arg as a double check to see if we can print
 197     gdb_test "print c" ".* = 97 'a'" "print c after run to call2a"
 198     gdb_test "print f1" ".* = 4" "print f1 after run to call2a"
 199     gdb_test "print s" ".* = 1" "print s after run to call2a"
 200     gdb_test "print d1" ".* = 5" "print d1 after run to call2a"
 201     gdb_test "print i" ".* = 2" "print i after run to call2a"
 202     gdb_test "print f2" ".* = 4" "print f2 after run to call2a"
 203     gdb_test "print l" ".* = 3" "print l after run to call2a"
 204     gdb_test "print d2" ".* = 5" "print d2 after run to call2a"
 205
 206     setup_xfail "rs6000-*-*"
 207     if {!$gcc_compiled} then { setup_xfail "mips-sgi-irix*" }
 208     # Continue; should stop at call2b and print actual arguments.
 209     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"] {
 210         gdb_suppress_tests;
 211     }
 212
 213     # Continue; should stop at call2c and print actual arguments.
 214     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"] {
 215         gdb_suppress_tests;
 216     }
 217
 218     # Continue; should stop at call2d and print actual arguments.
 219     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"] {
 220         gdb_suppress_tests;
 221     }
 222
 223     # Continue; should stop at call2e and print actual arguments.
 224     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"] {
 225         gdb_suppress_tests;
 226     }
 227
 228     # Continue; should stop at call2f and print actual arguments.
 229     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"] {
 230         gdb_suppress_tests;
 231     }
 232
 233     # Continue; should stop at call2g and print actual arguments.
 234     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"] {
 235         gdb_suppress_tests;
 236     }
 237
 238     # Continue; should stop at call2h and print actual arguments.
 239     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"] {
 240         gdb_suppress_tests;
 241     }
 242
 243     # monitor only allows 8 breakpoints; w89k board allows 10, so
 244     # break them up into two groups.
 245     delete_breakpoints
 246     gdb_breakpoint call2i
 247
 248     # Continue; should stop at call2i and print actual arguments.
 249     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"] {
 250         gdb_suppress_tests;
 251     }
 252     gdb_stop_suppressing_tests;
 253 }
 254
 255 #
 256 # Locate actual args; dereference pointers to ints and floats.
 257 #
 258
 259 proc pointer_args {} {
 260     global gdb_prompt
 261     global hex
 262     global det_file
 263
 264     delete_breakpoints
 265
 266     gdb_breakpoint call3a
 267     gdb_breakpoint call3b
 268     gdb_breakpoint call3c
 269
 270     # Run; should stop at call3a and print actual arguments.
 271     # Try dereferencing the arguments.
 272
 273     # The a29k fails all of these tests, perhaps because the prologue
 274     # code is broken.
 275     setup_xfail "a29k-*-udi"
 276     gdb_run_cmd
 277     gdb_expect {
 278          -re ".* call3a \\(cp=$hex \"a\", sp=$hex, ip=$hex, lp=$hex\\) .*$gdb_prompt $" { pass "run to call3a" }
 279          -re "$gdb_prompt $" { fail "run to call3a" ; gdb_suppress_tests; }
 280          timeout { fail "(timeout) run to call3a" ; gdb_suppress_tests; }
 281     }
 282
 283     gdb_test "print *cp" ".* = 97 'a'"
 284     gdb_test "print *sp" ".* = 1"
 285     gdb_test "print *ip" ".* = 2"
 286     gdb_test "print *lp" ".* = 3"
 287
 288     # Continue; should stop at call3b and print actual arguments.
 289     # Try dereferencing the arguments.
 290     if [gdb_test "cont" ".* call3b \\(ucp=$hex \"b\", usp=$hex, uip=$hex, ulp=$hex\\) .*" "continue to call3b"] {
 291         gdb_suppress_tests;
 292     }
 293
 294     gdb_test "print *ucp" ".* = 98 'b'"
 295     gdb_test "print *usp" ".* = 6"
 296     gdb_test "print *uip" ".* = 7"
 297     gdb_test "print *ulp" ".* = 8"
 298
 299     # Continue; should stop at call3c and print actual arguments.
 300     # Try dereferencing the arguments.
 301     if [gdb_test "cont" ".* call3c \\(fp=$hex, dp=$hex\\) .*" "continue to call3c"] {
 302         gdb_suppress_tests;
 303     }
 304
 305     gdb_test "print *fp" ".* = 4"
 306     gdb_test "print *dp" ".* = 5"
 307
 308 #    pass "locate actual args, pointer types"
 309     gdb_stop_suppressing_tests;
 310 }
 311
 312 #
 313 # Locate actual args; structures and unions passed by reference.
 314 #
 315
 316 proc structs_by_reference {} {
 317     global gdb_prompt
 318     global hex
 319     global det_file
 320     global target_sizeof_int
 321     global target_sizeof_long
 322     global target_bigendian_p
 323
 324     delete_breakpoints
 325
 326     gdb_breakpoint call4a
 327     gdb_breakpoint call4b
 328
 329     # Run; should stop at call4a and print actual arguments.
 330     # Try dereferencing the arguments.
 331
 332     # The a29k fails all of these tests, perhaps because the prologue
 333     # code is broken.
 334     setup_xfail "a29k-*-udi"
 335     gdb_run_cmd
 336     gdb_expect {
 337          -re ".* call4a \\(stp=$hex\\) .*$gdb_prompt $" {
 338             pass "run to call4a"
 339         }
 340          -re "$gdb_prompt $" { fail "run to call4a" ; gdb_suppress_tests; }
 341          timeout { fail "(timeout) run to call4a" ; gdb_suppress_tests; }
 342     }
 343
 344     gdb_test "print *stp" ".* = \{s1 = 101, s2 = 102\}"
 345
 346     # Continue; should stop at call4b and print actual arguments.
 347
 348     gdb_test "cont" ".* call4b \\(unp=$hex\\) .*" "continue to call4b"
 349
 350     # Try dereferencing the arguments.
 351     if { $target_sizeof_long == $target_sizeof_int } {
 352         gdb_test "print *unp" ".* = \{u1 = 1, u2 = 1\}" \
 353                 "print *unp (sizeof long == sizeof int)"
 354     } elseif { ! $target_bigendian_p } {
 355         gdb_test "print *unp" ".* = \{u1 = 1, u2 = 1\}" \
 356                 "print *unp (little-endian, sizeof long != sizeof int)"
 357     } elseif { $target_sizeof_long == 8 && $target_sizeof_int == 4 } {
 358         gdb_test "print *unp" ".* = \{u1 = 1, u2 = 4294967296\}" \
 359                 "print *unp (big-endian, sizeof long == 8, sizeof int = 4)"
 360     } elseif { $target_sizeof_long == 4 && $target_sizeof_int == 2 } {
 361         gdb_test "print *unp" ".* = \{u1 = 1, u2 = 65536\}" \
 362                 "print *unp (big-endian, sizeof long == 4, sizeof int = 2)"
 363     } else {
 364         fail "print *unp (unknown case)"
 365     }
 366
 367     pass "locate actual args, structs/unions passed by reference"
 368     gdb_stop_suppressing_tests;
 369 }
 370
 371 #
 372 # Locate actual args; structures and unions passed by value.
 373 #
 374
 375 proc structs_by_value {} {
 376     global gdb_prompt
 377     global hex
 378     global det_file
 379     global target_sizeof_int
 380     global target_sizeof_long
 381     global target_bigendian_p
 382
 383     delete_breakpoints
 384
 385     gdb_breakpoint call5a
 386     gdb_breakpoint call5b
 387
 388     # Run; should stop at call5a and print actual arguments.
 389     # Try dereferencing the arguments.
 390
 391     # The a29k fails all of these tests, perhaps because the prologue
 392     # code is broken.
 393     setup_xfail "a29k-*-udi"
 394     gdb_run_cmd
 395     gdb_expect {
 396          -re ".* call5a \\(st=\{s1 = 101, s2 = 102\}\\) .*$gdb_prompt $" {
 397             pass "run to call5a"
 398         }
 399          -re "$gdb_prompt $" { fail "run to call5a" ; gdb_suppress_tests; }
 400          timeout { fail "(timeout) run to call5a" ; gdb_suppress_tests; }
 401     }
 402
 403     gdb_test "print st" ".* = \{s1 = 101, s2 = 102\}"
 404
 405     # Continue; should stop at call5b and print actual arguments.
 406     if { $target_sizeof_long == $target_sizeof_int } {
 407         gdb_test "cont" ".* call5b \\(un=\{u1 = 2, u2 = 2\}\\) .*" \
 408                 "continue to call5b (sizeof long == sizeof int)"
 409     } elseif { ! $target_bigendian_p } {
 410         gdb_test "cont" ".* call5b \\(un=\{u1 = 2, u2 = 2\}\\) .*" \
 411                 "continue to call5b (little-endian, sizeof long != sizeof int)"
 412     } elseif { $target_sizeof_long == 8 && $target_sizeof_int == 4 } {
 413         gdb_test "cont" ".* call5b \\(un=\{u1 = 2, u2 = 8589934592\}\\) .*" \
 414                 "continue to call5b (big-endian, sizeof long == 8, sizeof int = 4)"
 415     } elseif { $target_sizeof_long == 4 && $target_sizeof_int == 2 } {
 416         gdb_test "cont" ".* call5b \\(un=\{u1 = 2, u2 = 131072\}\\) .*" \
 417                 "continue to call5b (big-endian, sizeof long == 4, sizeof int = 2)"
 418     } else {
 419         fail "continue to call5b (unknown case)"
 420     }
 421
 422     # Try dereferencing the arguments.
 423     if { $target_sizeof_long == $target_sizeof_int } {
 424         gdb_test "print un" ".* = \{u1 = 2, u2 = 2\}" \
 425                 "print un (sizeof long == sizeof int)"
 426     } elseif { ! $target_bigendian_p } {
 427         gdb_test "print un" ".* = \{u1 = 2, u2 = 2\}" \
 428                 "print un (little-endian, sizeof long != sizeof int)"
 429     } elseif { $target_sizeof_long == 8 && $target_sizeof_int == 4 } {
 430         gdb_test "print un" ".* = \{u1 = 2, u2 = 8589934592\}" \
 431                 "print un (big-endian, sizeof long == 8, sizeof int = 4)"
 432     } elseif { $target_sizeof_long == 4 && $target_sizeof_int == 2 } {
 433         gdb_test "print un" ".* = \{u1 = 2, u2 = 131072\}" \
 434                 "print un (big-endian, sizeof long == 4, sizeof int = 2)"
 435     } else {
 436         fail "print un (unknown case)"
 437     }
 438
 439     gdb_stop_suppressing_tests;
 440 }
 441
 442 #
 443 # Locate actual args; discard, shuffle, and call
 444 #
 445
 446 proc discard_and_shuffle {} {
 447     global gdb_prompt
 448     global hex
 449     global decimal
 450     global det_file
 451     global gcc_compiled
 452
 453     delete_breakpoints
 454
 455     gdb_breakpoint call6a
 456     gdb_breakpoint call6b
 457     gdb_breakpoint call6c
 458     gdb_breakpoint call6d
 459     gdb_breakpoint call6e
 460     gdb_breakpoint call6f
 461     gdb_breakpoint call6g
 462     gdb_breakpoint call6h
 463
 464     # Run; should stop at call6a and print actual arguments.
 465     # Print backtrace.
 466
 467     # The a29k fails all of these tests, perhaps because the prologue
 468     # code is broken.
 469     setup_xfail "a29k-*-udi"
 470     gdb_run_cmd
 471     gdb_expect {
 472          -re ".*Breakpoint $decimal, call6a .*$gdb_prompt $" { pass "run to call6a" }
 473          -re "$gdb_prompt $" { fail "run to call6a" ; gdb_suppress_tests; }
 474          timeout { fail "(timeout) run to call6a" ; gdb_suppress_tests; }
 475     }
 476
 477     setup_xfail "rs6000-*-*"
 478
 479     if {!$gcc_compiled} {
 480         setup_xfail "mips-sgi-irix5*"
 481     }
 482
 483     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\\).* main \\(.*\\).*" "backtrace from call6a"] {
 484         gdb_suppress_tests;
 485     }
 486
 487     # Continue; should stop at call6b and print actual arguments.
 488     # Print backtrace.
 489
 490     gdb_continue call6b
 491
 492     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\\).* call6a \\(c=97 'a', s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* main \\(.*\\).*" "backtrace from call6b"] {
 493         gdb_suppress_tests;
 494     }
 495
 496     # Continue; should stop at call6c and print actual arguments.
 497     # Print backtrace.
 498
 499     gdb_continue call6c
 500
 501     if [gdb_test "backtrace 100" " call6c \\(i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6b \\(s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6a \\(c=97 'a', s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* main \\(.*\\).*" "backtrace from call6c"] {
 502         gdb_suppress_tests;
 503     }
 504     # Continue; should stop at call6d and print actual arguments.
 505     # Print backtrace.
 506
 507     gdb_continue call6d
 508
 509     if [gdb_test "backtrace 100" " call6d \\(l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6c \\(i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6b \\(s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6a \\(c=97 'a', s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* main \\(.*\\).*" "backtrace from call6d"] {
 510         gdb_suppress_tests;
 511     }
 512
 513     # Continue; should stop at call6e and print actual arguments.
 514     # Print backtrace.
 515
 516     gdb_continue call6e
 517
 518     if [gdb_test "backtrace 100" " call6e \\(f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6d \\(l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6c \\(i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6b \\(s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6a \\(c=97 'a', s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* main \\(.*\\).*" "backtrace from call6e"] {
 519         gdb_suppress_tests;
 520     }
 521
 522     # Continue; should stop at call6f and print actual arguments.
 523     # Print backtrace.
 524
 525     gdb_continue call6f
 526
 527     if [gdb_test "backtrace 100" " call6f \\(d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6e \\(f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6d \\(l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6c \\(i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6b \\(s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6a \\(c=97 'a', s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* main \\(.*\\).*" "backtrace from call6f"] {
 528         gdb_suppress_tests;
 529     }
 530
 531     # Continue; should stop at call6g and print actual arguments.
 532     # Print backtrace.
 533
 534     gdb_continue call6g
 535
 536     if [gdb_test "backtrace 100" " call6g \\(uc=98 'b', us=6, ui=7, ul=8\\).* call6f \\(d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6e \\(f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6d \\(l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6c \\(i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6b \\(s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6a \\(c=97 'a', s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* main \\(.*\\).*" "backtrace from call6g"] {
 537         gdb_suppress_tests;
 538     }
 539
 540     # Continue; should stop at call6h and print actual arguments.
 541     # Print backtrace.
 542
 543     gdb_continue call6h
 544
 545     if [gdb_test "backtrace 100" " call6h \\(us=6, ui=7, ul=8\\).* call6g \\(uc=98 'b', us=6, ui=7, ul=8\\).* call6f \\(d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6e \\(f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6d \\(l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6c \\(i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6b \\(s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6a \\(c=97 'a', s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* main \\(.*\\).*" "backtrace from call6h"] {
 546         gdb_suppress_tests;
 547     }
 548
 549     # monitor only allows 8 breakpoints; w89k board allows 10, so
 550     # break them up into two groups.
 551     delete_breakpoints
 552     gdb_breakpoint call6i
 553     gdb_breakpoint call6j
 554     gdb_breakpoint call6k
 555
 556     # Continue; should stop at call6i and print actual arguments.
 557     # Print backtrace.
 558
 559     gdb_continue call6i
 560
 561     if [gdb_test "backtrace 100" " call6i \\(ui=7, ul=8\\).* call6h \\(us=6, ui=7, ul=8\\).* call6g \\(uc=98 'b', us=6, ui=7, ul=8\\).* call6f \\(d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6e \\(f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6d \\(l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6c \\(i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6b \\(s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6a \\(c=97 'a', s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* main \\(.*\\).*" "backtrace from call6i"] {
 562         gdb_suppress_tests;
 563     }
 564
 565     # Continue; should stop at call6j and print actual arguments.
 566     # Print backtrace.
 567
 568     gdb_continue call6j
 569
 570     if [gdb_test "backtrace 100" " call6j \\(ul=8\\).* call6i \\(ui=7, ul=8\\).* call6h \\(us=6, ui=7, ul=8\\).* call6g \\(uc=98 'b', us=6, ui=7, ul=8\\).* call6f \\(d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6e \\(f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6d \\(l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6c \\(i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6b \\(s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6a \\(c=97 'a', s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* main \\(.*\\).*" "backtrace from call6j"] {
 571         gdb_suppress_tests;
 572     }
 573
 574     # Continue; should stop at call6k and print actual arguments.
 575     # Print backtrace.
 576     # This fails on i960-*-vxworks because gdb gets confused by
 577     # breakpoints on adjacent instructions.
 578     setup_xfail "i960-*-vxworks" 1786
 579     gdb_continue call6k
 580
 581     if [gdb_test "backtrace 100" " call6k \\(\\).* call6j \\(ul=8\\).* call6i \\(ui=7, ul=8\\).* call6h \\(us=6, ui=7, ul=8\\).* call6g \\(uc=98 'b', us=6, ui=7, ul=8\\).* call6f \\(d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6e \\(f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6d \\(l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6c \\(i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6b \\(s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* call6a \\(c=97 'a', s=1, i=2, l=3, f=4, d=5, uc=98 'b', us=6, ui=7, ul=8\\).* main \\(.*\\).*" "backtrace from call6k"] {
 582         gdb_suppress_tests;
 583     }
 584     gdb_stop_suppressing_tests;
 585 }
 586
 587
 588 #
 589 # Locate actual args; shuffle round robin and call
 590 #
 591
 592 proc shuffle_round_robin {} {
 593     global gdb_prompt
 594     global hex
 595     global decimal
 596     global det_file
 597     global gcc_compiled
 598
 599     delete_breakpoints
 600
 601     gdb_breakpoint call7a
 602     gdb_breakpoint call7b
 603     gdb_breakpoint call7c
 604     gdb_breakpoint call7d
 605     gdb_breakpoint call7e
 606     gdb_breakpoint call7f
 607     gdb_breakpoint call7g
 608     gdb_breakpoint call7h
 609
 610     # Run; should stop at call7a and print actual arguments.
 611     # Print backtrace.
 612
 613     # The a29k fails all of these tests, perhaps because the prologue
 614     # code is broken.
 615     setup_xfail "a29k-*-udi"
 616     gdb_run_cmd
 617     gdb_expect {
 618          -re ".*Breakpoint $decimal, call7a .*$gdb_prompt $" {
 619             pass "run to call7a"
 620         }
 621          -re "$gdb_prompt $" { fail "run to call7a" ; gdb_suppress_tests; }
 622          timeout { fail "(timeout) run to call7a" ; gdb_suppress_tests; }
 623     }
 624
 625     setup_xfail "i960-*-*" 1813
 626     if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" "mips-sgi-irix5*" }
 627     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\\).* main \\(.*\\).*" "backtrace from call7a"
 628
 629     # Continue; should stop at call7b and print actual arguments.
 630     # Print backtrace.
 631
 632     gdb_continue call7b
 633
 634     if {$gcc_compiled} then { setup_xfail "rs6000-*-*" }
 635
 636     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'\\).* call7a \\(c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7\\).* main \\(.*\\).*" "backtrace from call7b"
 637
 638     # Continue; should stop at call7c and print actual arguments.
 639     # Print backtrace.
 640
 641     gdb_continue call7c
 642
 643     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\\).* call7b \\(i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a'\\).* call7a \\(c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7\\).* main \\(.*\\).*" "backtrace from call7c"
 644
 645     # Continue; should stop at call7d and print actual arguments.
 646     # Print backtrace.
 647
 648     gdb_continue call7d
 649
 650     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\\).* call7c \\(s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2\\).* call7b \\(i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a'\\).* call7a \\(c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7\\).* main \\(.*\\).*" "backtrace from call7d"
 651
 652     gdb_continue call7e
 653
 654     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\\).* call7d \\(l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1\\).* call7c \\(s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2\\).* call7b \\(i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a'\\).* call7a \\(c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7\\).* main \\(.*\\).*" "backtrace from call7e"
 655
 656     # Continue; should stop at call7f and print actual arguments.
 657     # Print backtrace.
 658
 659     gdb_continue call7f
 660
 661     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\\).* call7e \\(f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3\\).* call7d \\(l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1\\).* call7c \\(s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2\\).* call7b \\(i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a'\\).* call7a \\(c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7\\).* main \\(.*\\).*" "backtrace from call7f"
 662
 663     # Continue; should stop at call7g and print actual arguments.
 664     # Print backtrace.
 665
 666     gdb_continue call7g
 667
 668     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'\\).* call7f \\(uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4\\).* call7e \\(f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3\\).* call7d \\(l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1\\).* call7c \\(s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2\\).* call7b \\(i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a'\\).* call7a \\(c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7\\).* main \\(.*\\).*" "backtrace from call7g"
 669
 670     gdb_continue call7h
 671
 672     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\\).* call7g \\(d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b'\\).* call7f \\(uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4\\).* call7e \\(f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3\\).* call7d \\(l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1\\).* call7c \\(s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2\\).* call7b \\(i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a'\\).* call7a \\(c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7\\).* main \\(.*\\).*" "backtrace from call7h"
 673
 674     # monitor only allows 8 breakpoints; w89k board allows 10, so
 675     # break them up into two groups.
 676     delete_breakpoints
 677     gdb_breakpoint call7i
 678     gdb_breakpoint call7j
 679     gdb_breakpoint call7k
 680
 681     # Continue; should stop at call7i and print actual arguments.
 682     # Print backtrace.
 683
 684     gdb_continue call7i
 685
 686     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\\).* call7h \\(us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5\\).* call7g \\(d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b'\\).* call7f \\(uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4\\).* call7e \\(f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3\\).* call7d \\(l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1\\).* call7c \\(s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2\\).* call7b \\(i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a'\\).* call7a \\(c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7\\).* main \\(.*\\).*" "backtrace from call7i"
 687
 688     # Continue; should stop at call7j and print actual arguments.
 689     # Print backtrace.
 690
 691     gdb_continue call7j
 692
 693     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\\).* call7i \\(ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6\\).* call7h \\(us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5\\).* call7g \\(d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b'\\).* call7f \\(uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4\\).* call7e \\(f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3\\).* call7d \\(l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1\\).* call7c \\(s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2\\).* call7b \\(i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a'\\).* call7a \\(c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7\\).* main \\(.*\\).*" "backtrace from call7j"
 694
 695     # Continue; should stop at call7k and print actual arguments.
 696     # Print backtrace.
 697
 698     gdb_continue call7k
 699
 700     if {!$gcc_compiled} then { setup_xfail "mips-sgi-irix*" }
 701     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\\).* call7j \\(ui=7, c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8\\).* call7i \\(ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6\\).* call7h \\(us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5\\).* call7g \\(d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b'\\).* call7f \\(uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3, f=4\\).* call7e \\(f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1, l=3\\).* call7d \\(l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2, s=1\\).* call7c \\(s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a', i=2\\).* call7b \\(i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7, c=97 'a'\\).* call7a \\(c=97 'a', i=2, s=1, l=3, f=4, uc=98 'b', d=5, us=6, ul=8, ui=7\\).* main \\(.*\\).*" "backtrace from call7k"
 702     gdb_stop_suppressing_tests;
 703 }
 704
 705 #
 706 # Locate actual args; recursive passing of structs by value
 707 #
 708
 709 proc recursive_structs_by_value {} {
 710     global gdb_prompt
 711     global hex
 712     global decimal
 713     global det_file
 714
 715     delete_breakpoints
 716
 717     gdb_breakpoint hitbottom
 718
 719     # Run; should stop at hitbottom and print actual arguments.
 720     # Print backtrace.
 721     gdb_run_cmd
 722     gdb_expect {
 723          -re ".*Breakpoint $decimal, hitbottom .*$gdb_prompt $" { pass "run to hitbottom" }
 724          -re "$gdb_prompt $" { fail "run to hitbottom" ; gdb_suppress_tests; }
 725          timeout { fail "(timeout) run to hitbottom" ; gdb_suppress_tests; }
 726     }
 727
 728     if ![istarget sparclet-*-*] {
 729     # The a29k fails all of these tests, perhaps because the prologue
 730     # code is broken.
 731         setup_xfail "a29k-*-udi"
 732         gdb_test "backtrace 100" " hitbottom \\(\\).* recurse \\(a=\{s = 0, i = 0, l = 0\}, depth=0\\).* recurse \\(a=\{s = 1, i = 1, l = 1\}, depth=1\\).* recurse \\(a=\{s = 2, i = 2, l = 2\}, depth=2\\).* recurse \\(a=\{s = 3, i = 3, l = 3\}, depth=3\\).* recurse \\(a=\{s = 4, i = 4, l = 4\}, depth=4\\).* test_struct_args \\(\\).* main \\(.*\\).*" "recursive passing of structs by value"
 733     } else {
 734         fail "recursive passing of structs by value (sparclet)"
 735     }
 736     gdb_stop_suppressing_tests;
 737 }
 738
 739 proc funcargs_reload { } {
 740     global objdir
 741     global subdir
 742     global binfile
 743     global srcdir
 744
 745     if [istarget "mips-idt-*"] {
 746         # Restart because IDT/SIM runs out of file descriptors.
 747         gdb_exit
 748         gdb_start
 749         gdb_reinitialize_dir $srcdir/$subdir
 750         gdb_load ${binfile}
 751     }
 752 }
 753
 754 #
 755 # Test for accessing local stack variables in functions which call alloca
 756 #
 757 proc localvars_after_alloca { } {
 758     global gdb_prompt
 759     global hex
 760     global decimal
 761     global gcc_compiled
 762
 763     if { ! [ runto localvars_after_alloca ] } then { gdb_suppress_tests; }
 764
 765     # Print each arg as a double check to see if we can print
 766     # them here as well as with backtrace.
 767
 768     if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
 769     gdb_test "print c" " = 97 'a'" "print c after runto localvars_after_alloca"
 770     if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
 771     gdb_test "print s" " = 1" "print s after runto localvars_after_alloca"
 772     gdb_test "print i" " = 2" "print i after runto localvars_after_alloca"
 773     gdb_test "print l" " = 3" "print l after runto localvars_after_alloca"
 774
 775     # Lame regexp.
 776     gdb_test "next" ".*" "next in localvars_after_alloca()"
 777
 778     # Print each arg as a double check to see if we can print
 779     # them here as well as with backtrace.
 780
 781     gdb_test "print c" " = 97 'a'" "print c in localvars_after_alloca"
 782     gdb_test "print s" " = 1" "print s in localvars_after_alloca"
 783     gdb_test "print i" " = 2" "print i in localvars_after_alloca"
 784     gdb_test "print l" " = 3" "print l in localvars_after_alloca"
 785
 786     gdb_test "backtrace 8" "#0.*localvars_after_alloca \\(c=97 'a', s=1, i=2, l=3\\).*#1.*main.*" "backtrace after alloca"
 787     gdb_stop_suppressing_tests;
 788 }
 789
 790 proc call_after_alloca { } {
 791     global gdb_prompt
 792     global hex
 793     global decimal
 794     global gcc_compiled
 795
 796     if { ! [ runto call_after_alloca_subr ] } then { gdb_suppress_tests; }
 797
 798     # Print each arg as a double check to see if we can print
 799     # them here as well as with backtrace.
 800
 801     if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
 802     gdb_test "print c" " = 97 'a'" "print c in call_after_alloca"
 803     if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
 804     gdb_test "print s" " = 1" "print s in call_after_alloca"
 805     gdb_test "print i" " = 2" "print i in call_after_alloca"
 806     gdb_test "print l" " = 3" "print l in call_after_alloca"
 807
 808     if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
 809     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"
 810     gdb_stop_suppressing_tests;
 811 }
 812
 813 #
 814 # Test for accessing local stack variables, backtraces, finish,
 815 # and finally stepping into indirect calls.  The point is that on the PA
 816 # these use a funky `dyncall' mechanism which GDB needs to know about.
 817 #
 818 proc localvars_in_indirect_call { } {
 819     global gdb_prompt
 820     global hex
 821     global decimal
 822     global gcc_compiled
 823
 824     # Can not use "runto call0a" as call0a is called several times
 825     # during single run.  Instead stop in a marker function and
 826     # take control from there.
 827     if { ! [ runto marker_indirect_call ] } then { gdb_suppress_tests; }
 828
 829     # break on the next call to call0a, then delete all the breakpoints
 830     # and start testing.
 831     gdb_breakpoint call0a
 832     gdb_continue call0a
 833     delete_breakpoints
 834
 835     # Print each arg as a double check to see if we can print
 836     # them here as well as with backtrace.
 837
 838     if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
 839     gdb_test "print c" " = 97 'a'" "print c in localvars_in_indirect_call"
 840     if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
 841     gdb_test "print s" " = 1" "print s in localvars_in_indirect_call"
 842     gdb_test "print i" " = 2" "print i in localvars_in_indirect_call"
 843     gdb_test "print l" " = 3" "print l in localvars_in_indirect_call"
 844
 845     if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
 846     gdb_test "backtrace 8" \
 847         "#0.*call0a \\(c=97 'a', s=1, i=2, l=3\\).*#1.*main.*" \
 848         "backtrace in indirectly called function"
 849
 850     #
 851     # "finish" brings us back to main.  We then will try to step through
 852     # the second indirect call.
 853     # On some targets (e.g. m68k) gdb will stop from the finish in midline
 854     # of the first indirect call. This is due to stack adjustment instructions
 855     # after the indirect call. In these cases we will step till we hit the
 856     # second indirect call.
 857     #
 858
 859     send_gdb "finish\n"
 860     gdb_expect {
 861          -re "\\(\\*pointer_to_call0a\\) \\(c, s, i, l\\);.*First.*$gdb_prompt $" {
 862             send_gdb "step\n"
 863             exp_continue
 864         }
 865          -re "\\(\\*pointer_to_call0a\\) \\(c, s, i, l\\);.*Second.*$gdb_prompt $" {
 866             pass "finish from indirectly called function"
 867         }
 868          -re ".*$gdb_prompt $" {
 869             fail "finish from indirectly called function"
 870             gdb_suppress_tests;
 871         }
 872          default { fail "finish from indirectly called function" ; gdb_suppress_tests; }
 873     }
 874
 875     if {!$gcc_compiled} then { setup_xfail "rs6000-*-*" }
 876     gdb_test "step" "call0a \\(c=97 'a', s=1, i=2, l=3\\).*" \
 877         "stepping into indirectly called function"
 878     gdb_stop_suppressing_tests;
 879 }
 880
 881 #
 882 # Test for stepping into indirect calls which may have trampolines (possibly
 883 # cascaded) on both the call path and the gdb_suppress_tests; path.
 884 # to handle trampolines.
 885 #
 886 proc test_stepping_over_trampolines { } {
 887     global gdb_prompt
 888     global hex
 889     global decimal
 890
 891     # Stop in a marker function and take control from there.
 892     if { ! [ runto marker_call_with_trampolines ] } then { gdb_suppress_tests; }
 893
 894     # Cater for gdb stopping in midline, see comment for finish above.
 895     send_gdb "finish\n"
 896     gdb_expect {
 897          -re "marker_call_with_trampolines ..;.*$gdb_prompt $" {
 898             send_gdb "step\n"
 899             exp_continue
 900         }
 901          -re "pointer_to_call_with_trampolines.*$gdb_prompt $" {
 902             pass "finish from marker_call_with_trampolines"
 903         }
 904          -re ".*$gdb_prompt $" {
 905             fail "finish from marker_call_with_trampolines"
 906         }
 907          default { fail "finish from marker_call_with_trampolines" ; gdb_suppress_tests; }
 908     }
 909
 910     # Try to step into the target function.
 911     gdb_test "step" "call_with_trampolines \\(d1=5\\).*" \
 912         "stepping into function called with trampolines"
 913
 914     # Make we can backtrace and the argument looks correct.  */
 915     gdb_test "backtrace 8" "#0.*call_with_trampolines \\(d1=5\\).*1.*main.*" \
 916         "backtrace through call with trampolines"
 917
 918     # Make sure we can get back to main.
 919     # Stepping back to main might stop again after the gdb_suppress_tests; statement
 920     # or immediately transfer control back to main if optimizations
 921     # are performed.
 922     send_gdb "step\n"
 923     gdb_expect {
 924          -re "main .* at.*$gdb_prompt $" {
 925             pass "stepping back to main from function called with trampolines" ;
 926         }
 927          -re "\}.*End of call_with_trampolines.*$gdb_prompt $" {
 928             send_gdb "step\n"
 929             exp_continue
 930         }
 931          -re ".*$gdb_prompt $" {
 932             fail "stepping back to main from function called with trampolines"
 933         }
 934          default { fail "stepping back to main from function called with trampolines" ; gdb_suppress_tests; }
 935     }
 936     gdb_stop_suppressing_tests;
 937 }
 938
 939 # Start with a fresh gdb.
 940
 941 gdb_exit
 942 gdb_start
 943 gdb_reinitialize_dir $srcdir/$subdir
 944 gdb_load ${binfile}
 945
 946 if [istarget "mips*tx39-*"] {
 947     set timeout 300
 948 } elseif [istarget "hppa*-hp-hpux*"] then {
 949     set timeout 240
 950 } else {
 951     set timeout 60
 952 }
 953
 954 # Determine expected output for unsigned long variables,
 955 # the output varies with sizeof (unsigned long).
 956
 957 set target_sizeof_long 4
 958 send_gdb "print sizeof (long)\n"
 959 gdb_expect {
 960     -re ".\[0-9\]* = 4.*$gdb_prompt $" { }
 961     -re ".\[0-9\]* = 8.*$gdb_prompt $" { set target_sizeof_long 8 }
 962     -re ".*$gdb_prompt $" {
 963          fail "getting sizeof long"
 964     }
 965     default     { fail "(timeout) getting sizeof long" }
 966 }
 967
 968 set target_sizeof_int 4
 969 send_gdb "print sizeof (int)\n"
 970 gdb_expect {
 971     -re ".\[0-9\]* = 2.*$gdb_prompt $" { set target_sizeof_int 2 }
 972     -re ".\[0-9\]* = 4.*$gdb_prompt $" { }
 973     -re ".\[0-9\]* = 8.*$gdb_prompt $" { set target_sizeof_int 8 }
 974     -re ".*$gdb_prompt $" {
 975          fail "getting sizeof unsigned long"
 976     }
 977     default     { fail "(timeout) getting sizeof int" }
 978 }
 979
 980 set target_bigendian_p 1
 981 send_gdb "show endian\n"
 982 gdb_expect {
 983     -re ".*little endian.*$gdb_prompt $" { set target_bigendian_p 0 }
 984     -re ".*big endian.*$gdb_prompt $" { }
 985     -re ".*$gdb_prompt $" {
 986          fail "getting target endian"
 987     }
 988     default     { fail "(timeout) getting target endian" }
 989 }
 990
 991 # Perform tests
 992
 993 integral_args
 994 funcargs_reload
 995 unsigned_integral_args
 996 funcargs_reload
 997 float_and_integral_args
 998 funcargs_reload
 999 pointer_args
1000 funcargs_reload
1001 structs_by_reference
1002 funcargs_reload
1003 structs_by_value
1004 funcargs_reload
1005 discard_and_shuffle
1006 funcargs_reload
1007 shuffle_round_robin
1008 funcargs_reload
1009 recursive_structs_by_value
1010 funcargs_reload
1011 localvars_after_alloca
1012 funcargs_reload
1013 call_after_alloca
1014 funcargs_reload
1015 localvars_in_indirect_call
1016 funcargs_reload
1017 test_stepping_over_trampolines