gdb/testsuite/gdb.base/macscp.exp

   1 # Test macro scoping.
   2 # Copyright 2002, 2007, 2008, 2009, 2010 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 <http://www.gnu.org/licenses/>.
  16
  17 if $tracelevel then {
  18     strace $tracelevel
  19 }
  20
  21
  22 set srcfile macscp1.c
  23 set testfile "macscp"
  24 set objfile ${objdir}/${subdir}/${testfile}.o
  25 set binfile ${objdir}/${subdir}/${testfile}
  26
  27 set options { debug additional_flags=-DFROM_COMMANDLINE=ARG}
  28
  29 get_compiler_info ${binfile}
  30 if [test_compiler_info gcc*] {
  31     lappend options additional_flags=-g3
  32 }
  33
  34 # Generate the intermediate object file.  This is required by Darwin to
  35 # have access to the .debug_macinfo section.
  36 if  {[gdb_compile "${srcdir}/${subdir}/macscp1.c" "${objfile}" \
  37           object $options] != ""
  38      || [gdb_compile "${objfile}" "${binfile}" executable $options] != "" } {
  39     untested macscp.exp
  40     return -1
  41 }
  42
  43 gdb_exit
  44 gdb_start
  45 gdb_reinitialize_dir $srcdir/$subdir
  46 gdb_load ${binfile}
  47
  48
  49 # Ask GDB to show the current definition of MACRO, and return a list
  50 # describing the result.
  51 #
  52 # The return value has the form {FILE1 FILE2 ... DEF}, which means
  53 # that MACRO has the definition `DEF', and was defined in `FILE1',
  54 # which was included from `FILE2', included from ... .
  55 #
  56 # If GDB says that MACRO has no definition, return the string `undefined'.
  57 #
  58 # If GDB complains that it doesn't have any information about
  59 # preprocessor macro definitions, return the string `no-macro-info'.
  60 #
  61 # If expect times out waiting for GDB, we return the string `timeout'.
  62 #
  63 # If GDB's output doesn't otherwise match what we're expecting, we
  64 # return the empty string.
  65
  66 proc info_macro {macro} {
  67     global gdb_prompt
  68
  69     set filepat {macscp[0-9]+\.[ch]}
  70     set definition {}
  71     set location {}
  72
  73     # Line number zero is set for macros defined from the compiler command-line.
  74     # Such macros are not being tested by this function.
  75     set nonzero {[1-9][0-9]*}
  76
  77     send_gdb "info macro ${macro}\n"
  78
  79     set debug_me 0
  80
  81     if {$debug_me} {exp_internal 1}
  82     gdb_expect {
  83         -re "Defined at \[^\r\n\]*(${filepat}):${nonzero}\[\r\n\]" {
  84             # `location' and `definition' should be empty when we see
  85             # this message.
  86             if {[llength $location] == 0 && [llength $definition] == 0} {
  87                 set location $expect_out(1,string)
  88                 exp_continue
  89             } else {
  90                 # Exit this expect loop, with a result indicating failure.
  91                 set definition {}
  92             }
  93         }
  94         -re "The symbol `${macro}' has no definition as a C/C\\+\\+ preprocessor macro\[^\r\n\]*\[\r\n\]" {
  95             # `location' and `definition' should be empty when we see
  96             # this message.
  97             if {[llength $location] == 0 && [llength $definition] == 0} {
  98                 set definition undefined
  99                 exp_continue
 100             } else {
 101                 # Exit this expect loop, with a result indicating failure.
 102                 set definition {}
 103             }
 104         }
 105         -re "^\[\r\n\]*  included at \[^\r\n\]*(${filepat}):${nonzero}\[\r\n\]" {
 106             # `location' should *not* be empty when we see this
 107             # message.  It should have recorded at least the initial
 108             # `Defined at ' message (for definitions) or ` at' message
 109             # (for undefined symbols).
 110             if {[llength $location] != 0} {
 111                 lappend location $expect_out(1,string)
 112                 exp_continue
 113             } else {
 114                 # Exit this expect loop, with a result indicating failure.
 115                 set definition {}
 116             }
 117         }
 118         -re "^\[\r\n\]*at \[^\r\n\]*(${filepat}):${nonzero}\[\r\n\]" {
 119             # This appears after a `has no definition' message.
 120             # `location' should be empty when we see it.
 121             if {[string compare $definition undefined] == 0 \
 122                     && [llength $location] == 0} {
 123                 set location $expect_out(1,string)
 124                 exp_continue
 125             } else {
 126                 # Exit this expect loop, with a result indicating failure.
 127                 set definition {}
 128             }
 129         }
 130         -re "#define ${macro} (\[^\r\n\]*)\[\r\n\]" {
 131             # `definition' should be empty when we see this message.
 132             if {[string compare $definition ""] == 0} {
 133                 set definition $expect_out(1,string)
 134                 exp_continue
 135             } else {
 136                 # Exit this expect loop, with a result indicating failure.
 137                 set definition {}
 138             }
 139         }
 140         -re "has no preprocessor macro information.*$gdb_prompt $" {
 141             set definition no-macro-info
 142         }
 143         -re "$gdb_prompt $" {
 144             # Exit the expect loop; let the existing value of `definition'
 145             # indicate failure or success.
 146         }
 147         timeout {
 148             set definition timeout
 149         }
 150     }
 151     if {$debug_me} {exp_internal 0}
 152
 153     switch -exact -- $definition {
 154         no-macro-info { return no-macro-info }
 155         timeout { return timeout }
 156         undefined { return undefined }
 157         default {
 158             if {[llength $location] >= 1} {
 159                 return [concat $location [list $definition]]
 160             } else {
 161                 return {}
 162             }
 163         }
 164     }
 165 }
 166
 167
 168 # Call info_macro to show the definition of MACRO.  Expect a result of
 169 # EXPECTED.  Use WHERE in pass/fail messages to identify the context.
 170 # Return non-zero if we should abort the entire test file, or zero if
 171 # we can continue.
 172 proc check_macro {macro expected where} {
 173     set func_def [info_macro $macro]
 174     if {[string compare $func_def $expected] == 0} {
 175         pass "info macro $macro $where"
 176     } else {
 177         switch -exact -- $func_def {
 178             no-macro-info {
 179                 xfail "executable includes no macro debugging information"
 180                 return 1
 181             }
 182             undefined {
 183                 fail "info macro $macro $where (undefined)"
 184                 return 1
 185             }
 186             timeout {
 187                 fail "info macro $macro $where (timeout)"
 188             }
 189             default {
 190                 fail "info macro $macro $where"
 191             }
 192         }
 193     }
 194     return 0
 195 }
 196
 197
 198 # List the function FUNC, and then show the definition of MACRO,
 199 # expecting the result EXPECTED.
 200 proc list_and_check_macro {func macro expected} {
 201     gdb_test "list $func" ".*${func}.*" "list $func for $macro"
 202     return [check_macro $macro $expected "after `list $func'"]
 203 }
 204
 205 gdb_test "list main" ".*main.*" "list main for support check"
 206 set macro_support "unknown"
 207 gdb_test_multiple "info source" "Test macro information"  {
 208     -re "Includes preprocessor macro info\..*$gdb_prompt $" {
 209         set macro_support 1
 210         verbose "Source has macro information"
 211     }
 212     -re "Does not include preprocessor macro info\..*$gdb_prompt $" {
 213         set macro_support 0
 214         verbose "Source has no macro information"
 215     }
 216     default {
 217         warning "couldn't check macro support (no valid response)."
 218     }
 219 }
 220 if {$macro_support == 0} {
 221     unsupported "Skipping test because debug information does not include macro information."
 222     return 0
 223 }
 224
 225 list_and_check_macro main WHERE {macscp1.c {before macscp1_3}}
 226 list_and_check_macro macscp2_2 WHERE {macscp2.h macscp1.c {before macscp2_2}}
 227 list_and_check_macro macscp3_2 WHERE {macscp3.h macscp1.c {before macscp3_2}}
 228
 229
 230 # Assuming the current position inside program by `list' from above.
 231 gdb_test "info macro FROM_COMMANDLINE" \
 232          "Defined at \[^\r\n\]*:0\r\n-DFROM_COMMANDLINE=ARG"
 233
 234
 235 # Although GDB's macro table structures distinguish between multiple
 236 # #inclusions of the same file, GDB's other structures don't.  So the
 237 # `list' command here doesn't reliably select one #inclusion or the
 238 # other, even though it could.  It would be nice to eventually change
 239 # GDB's structures to handle this correctly.
 240 gdb_test "list macscp4_2_from_macscp2" ".*macscp4_2_, MACSCP4_INCLUSION.*"
 241 switch -exact -- [info_macro WHERE] {
 242     {macscp4.h macscp2.h macscp1.c {before macscp4_2_..., from macscp2.h}} {
 243         pass "info macro WHERE after `list macscp_4_2_from_macscp2'"
 244     }
 245     {macscp4.h macscp3.h macscp1.c {before macscp4_2_..., from macscp3.h}} {
 246         setup_kfail "gdb/555" *-*-*
 247         fail "info macro WHERE after `list macscp_4_2_from_macscp2' (gdb/555)"
 248     }
 249     timeout {
 250         fail "info macro WHERE after `list macscp_4_2_from_macscp2' (timeout)"
 251     }
 252     default { fail "info macro WHERE after `list macscp_4_2_from_macscp2'" }
 253 }
 254
 255 gdb_test "list macscp4_2_from_macscp3" ".*macscp4_2_, MACSCP4_INCLUSION.*"
 256 switch -exact -- [info_macro WHERE] {
 257     {macscp4.h macscp3.h macscp1.c {before macscp4_2_..., from macscp3.h}} {
 258         pass "info macro WHERE after `list macscp_4_2_from_macscp3'"
 259     }
 260     {macscp4.h macscp2.h macscp1.c {before macscp4_2_..., from macscp2.h}} {
 261         setup_kfail "gdb/555" *-*-*
 262         fail "info macro WHERE after `list macscp_4_2_from_macscp3' (gdb/555)"
 263     }
 264     timeout {
 265         fail "info macro WHERE after `list macscp_4_2_from_macscp3' (timeout)"
 266     }
 267     default { fail "info macro WHERE after `list macscp_4_2_from_macscp3'" }
 268 }
 269
 270
 271 #### Test the selection of the macro scope by the current frame.
 272
 273 ### A table of functions, in the order they will be reached, which is
 274 ### also the order they appear in the preprocessed output.  Each entry
 275 ### has the form {FUNCNAME WHERE KFAILWHERE}, where:
 276 ### - FUNCNAME is the name of the function,
 277 ### - WHERE is the definition we expect to see for the macro `WHERE', as
 278 ###   returned by `info_macro', and
 279 ### - KFAILWHERE is an alternate definition which should be reported
 280 ###   as a `known failure', due to GDB's inability to distinguish multiple
 281 ###   #inclusions of the same file.
 282 ### KFAILWHERE may be omitted.
 283
 284 set funcs {
 285     {
 286         macscp1_1
 287         {macscp1.c {before macscp1_1}}
 288     }
 289     {
 290         macscp2_1
 291         {macscp2.h macscp1.c {before macscp2_1}}
 292     }
 293     {
 294         macscp4_1_from_macscp2
 295         {macscp4.h macscp2.h macscp1.c {before macscp4_1_..., from macscp2.h}}
 296         {macscp4.h macscp3.h macscp1.c {before macscp4_1_..., from macscp3.h}}
 297     }
 298     {
 299         macscp4_2_from_macscp2
 300         {macscp4.h macscp2.h macscp1.c {before macscp4_2_..., from macscp2.h}}
 301         {macscp4.h macscp3.h macscp1.c {before macscp4_2_..., from macscp3.h}}
 302     }
 303     {
 304         macscp2_2
 305         {macscp2.h macscp1.c {before macscp2_2}}
 306     }
 307     {
 308         macscp1_2
 309         {macscp1.c {before macscp1_2}}
 310     }
 311     {
 312         macscp3_1
 313         {macscp3.h macscp1.c {before macscp3_1}}
 314     }
 315     {
 316         macscp4_1_from_macscp3
 317         {macscp4.h macscp3.h macscp1.c {before macscp4_1_..., from macscp3.h}}
 318         {macscp4.h macscp2.h macscp1.c {before macscp4_1_..., from macscp2.h}}
 319     }
 320     {
 321         macscp4_2_from_macscp3
 322         {macscp4.h macscp3.h macscp1.c {before macscp4_2_..., from macscp3.h}}
 323         {macscp4.h macscp2.h macscp1.c {before macscp4_2_..., from macscp2.h}}
 324     }
 325     {
 326         macscp3_2
 327         {macscp3.h macscp1.c {before macscp3_2}}
 328     }
 329     {
 330         macscp1_3
 331         {macscp1.c {before macscp1_3}}
 332     }
 333 }
 334
 335 proc maybe_kfail { func test_name } {
 336     # We can't get the right scope info when we're stopped in
 337     # the macro4_ functions.
 338     if {[string match macscp4_* $func]} {
 339         kfail gdb/555 "$test_name"
 340     } else {
 341         fail "$test_name"
 342     }
 343 }
 344
 345 # Start the program running.
 346 if {! [runto_main]} {
 347     fail "macro tests suppressed: couldn't run to main"
 348     return 0
 349 }
 350
 351 # Set a breakpoint on each of the functions.
 352 foreach func_entry $funcs {
 353     set func [lindex $func_entry 0]
 354     gdb_test "break $func" "Breakpoint.*"
 355 }
 356
 357 # Run to each of the breakpoints and check the definition (or lack
 358 # thereof) of each macro.
 359 for {set i 0} {$i < [llength $funcs]} {incr i} {
 360     set func_entry [lindex $funcs $i]
 361     set func [lindex $func_entry 0]
 362     set expected [lindex $func_entry 1]
 363     set kfail_expected [lindex $func_entry 2]
 364
 365     # Run to the breakpoint for $func.
 366     gdb_test "continue" "Breakpoint $decimal, $func .*" "continue to $func"
 367
 368     # Check the macro WHERE.
 369     set result [info_macro WHERE]
 370     if {[string compare $result $expected] == 0} {
 371         pass "info macro WHERE stopped in $func"
 372     } elseif {[string compare $result $kfail_expected] == 0} {
 373         setup_kfail "gdb/555" *-*-*
 374         fail "info macro WHERE stopped in $func (gdb/555)"
 375     } elseif {[string compare $result timeout] == 0} {
 376         fail "info macro WHERE stopped in $func (timeout)"
 377     } else {
 378         fail "info macro WHERE stopped in $func"
 379     }
 380
 381     # Check that the BEFORE_<func> macros for all prior functions are
 382     # #defined, and that those for all subsequent functions are not.
 383     for {set j 0} {$j < [llength $funcs]} {incr j} {
 384         if {$j != $i} {
 385             set func_j_entry [lindex $funcs $j]
 386             set func_j [lindex $func_j_entry 0]
 387
 388             set before_macro "BEFORE_[string toupper $func_j]"
 389             set test_name \
 390                     "$before_macro defined/undefined when stopped at $func"
 391             set result [info_macro $before_macro]
 392
 393             if {$j < $i} {
 394                 if {[llength $result] >= 2 && \
 395                         [string compare [lindex $result end] {}] == 0} {
 396                     pass $test_name
 397                 } elseif {[string compare $result timeout] == 0} {
 398                     fail "$test_name (timeout)"
 399                 } else {
 400                     maybe_kfail $func "$test_name"
 401                 }
 402             } elseif {$j > $i} {
 403                 switch -- [lindex $result end] {
 404                     undefined { pass $test_name }
 405                     timeout { fail "$test_name (timeout)" }
 406                     default {
 407                         maybe_kfail $func "$test_name"
 408                     }
 409                 }
 410             }
 411
 412             set until_macro "UNTIL_[string toupper $func_j]"
 413             set test_name \
 414                     "$until_macro defined/undefined when stopped at $func"
 415             set result [info_macro $until_macro]
 416
 417             if {$j <= $i} {
 418                 switch -- [lindex $result end] {
 419                     undefined { pass $test_name }
 420                     timeout { fail "$test_name (timeout)" }
 421                     default {
 422                         maybe_kfail $func "$test_name"
 423                     }
 424                 }
 425             } elseif {$j > $i} {
 426                 if {[llength $result] >= 2 && \
 427                         [string compare [lindex $result end] {}] == 0} {
 428                     pass $test_name
 429                 } elseif {[string compare $result timeout] == 0} {
 430                     fail "$test_name (timeout)"
 431                 } else {
 432                     maybe_kfail $func "$test_name"
 433                 }
 434             }
 435         }
 436     }
 437 }
 438
 439 gdb_test "break [gdb_get_line_number "set breakpoint here"]" \
 440     "Breakpoint.*at.* file .*, line.*" \
 441     "breakpoint macscp_expr"
 442
 443 gdb_test "continue" "foo = 0;.*" "continue to macsp_expr"
 444
 445 gdb_test "print address.addr" \
 446   " = 0" \
 447   "print address.addr"
 448
 449 gdb_test "print MACRO_TO_EXPAND" \
 450     "No symbol \"MACRO_TO_EXPAND\" in current context\." \
 451     "print expression with macro before define."
 452
 453 gdb_test "next" "foo = 1;" "next to definition 1"
 454
 455 gdb_test "print MACRO_TO_EXPAND" \
 456     " = 0" \
 457     "print expression with macro in scope."
 458
 459 gdb_test_no_output "macro define MACRO_TO_EXPAND 72" \
 460   "user macro override"
 461
 462 gdb_test "print MACRO_TO_EXPAND" \
 463   " = 72" \
 464   "choose user macro"
 465
 466 gdb_test_no_output "macro undef MACRO_TO_EXPAND" \
 467   "remove user override"
 468
 469 gdb_test "print MACRO_TO_EXPAND" \
 470     " = 0" \
 471     "print expression with macro after removing override"
 472
 473 gdb_test "next" "foo = 2;" "next to definition 2"
 474
 475 gdb_test "print MACRO_TO_EXPAND" \
 476     "No symbol \"MACRO_TO_EXPAND\" in current context\." \
 477     "print expression with macro after undef."
 478
 479 gdb_test_no_output "macro define MACRO_TO_EXPAND 5" \
 480   "basic macro define"
 481
 482 gdb_test "print MACRO_TO_EXPAND" \
 483   " = 5" \
 484   "expansion of defined macro"
 485
 486 gdb_test "macro list" \
 487   "macro define MACRO_TO_EXPAND 5" \
 488   "basic macro list"
 489
 490 gdb_test_no_output "macro define MACRO_TO_EXPAND(x) x" \
 491   "basic redefine, macro with args"
 492
 493 gdb_test "print MACRO_TO_EXPAND (7)" \
 494   " = 7" \
 495   "expansion of macro with arguments"
 496
 497 gdb_test_no_output "macro undef MACRO_TO_EXPAND" \
 498   "basic macro undef"
 499
 500 gdb_test "print MACRO_TO_EXPAND" \
 501     "No symbol \"MACRO_TO_EXPAND\" in current context\." \
 502     "print expression with macro after user undef."
 503
 504 # Regression test; this used to crash.
 505 gdb_test "macro define" \
 506     "usage: macro define.*" \
 507     "macro define with no arguments"
 508
 509 # Regression test; this used to crash.
 510 gdb_test "macro undef" \
 511     "usage: macro undef.*" \
 512     "macro undef with no arguments"
 513
 514 # Completion tests.
 515
 516 # The macro FIFTY_SEVEN is in scope at this point.
 517 send_gdb "p FIFTY_\t"
 518 gdb_expect  {
 519         -re "^p FIFTY_SEVEN $"\
 520             { send_gdb "\n"
 521               gdb_expect {
 522                       -re "^.* = 57.*$gdb_prompt $"\
 523                                         { pass "complete 'p FIFTY_SEVEN'"}
 524                       -re ".*$gdb_prompt $" { fail "complete 'p FIFTY_SEVEN'"}
 525                       timeout           {fail "(timeout) complete 'p FIFTY_SEVEN'"}
 526                      }
 527             }
 528         -re ".*$gdb_prompt $"       { fail "complete 'p FIFTY_SEVEN'" }
 529         timeout         { fail "(timeout) complete 'p FIFTY_SEVEN' 2" }
 530         }
 531
 532 # The macro TWENTY_THREE is not in scope.
 533 send_gdb "p TWENTY_\t"
 534 gdb_expect  {
 535         -re "^p TWENTY_\\\x07$"\
 536             { send_gdb "\n"
 537               gdb_expect {
 538                       -re "No symbol \"TWENTY_\" in current context\\..*$gdb_prompt $"\
 539                                         { pass "complete 'p TWENTY_'"}
 540                       -re ".*$gdb_prompt $" { fail "complete 'p TWENTY_'"}
 541                       timeout           {fail "(timeout) complete 'p TWENTY_'"}
 542                      }
 543             }
 544         -re ".*$gdb_prompt $"       { fail "complete 'p TWENTY_'" }
 545         timeout         { fail "(timeout) complete 'p TWENTY_' 2" }
 546         }
 547
 548 # The macro FORTY_EIGHT was undefined and thus is not in scope.
 549 send_gdb "p FORTY_\t"
 550 gdb_expect  {
 551         -re "^p FORTY_\\\x07$"\
 552             { send_gdb "\n"
 553               gdb_expect {
 554                       -re "No symbol \"FORTY_\" in current context\\..*$gdb_prompt $"\
 555                                         { pass "complete 'p FORTY_'"}
 556                       -re ".*$gdb_prompt $" { fail "complete 'p FORTY_'"}
 557                       timeout           {fail "(timeout) complete 'p FORTY_'"}
 558                      }
 559             }
 560         -re ".*$gdb_prompt $"       { fail "complete 'p FORTY_'" }
 561         timeout         { fail "(timeout) complete 'p FORTY_' 2" }
 562         }
 563
 564 gdb_test_no_output "macro define TWENTY_THREE 25" \
 565   "defining TWENTY_THREE"
 566
 567 # User-defined macros are always in scope.
 568 send_gdb "p TWENTY_\t"
 569 gdb_expect  {
 570         -re "^p TWENTY_THREE $"\
 571             { send_gdb "\n"
 572               gdb_expect {
 573                       -re "^.* = 25.*$gdb_prompt $"\
 574                                         { pass "complete 'p TWENTY_THREE'"}
 575                       -re ".*$gdb_prompt $" { fail "complete 'p TWENTY_THREE'"}
 576                       timeout           {fail "(timeout) complete 'p TWENTY_THREE'"}
 577                      }
 578             }
 579         -re ".*$gdb_prompt $"       { fail "complete 'p TWENTY_THREE'" }
 580         timeout         { fail "(timeout) complete 'p TWENTY_THREE' 2" }
 581         }
 582
 583 # Splicing tests.
 584
 585 gdb_test "macro expand SPLICE(x, y)" \
 586   "expands to: xy" \
 587   "basic macro splicing"
 588
 589 gdb_test_no_output "macro define robotinvasion 2010" \
 590   "define splice helper"
 591
 592 gdb_test "macro expand SPLICE(robot, invasion)" \
 593   "expands to: *2010" \
 594   "splicing plus expansion"
 595
 596 # Varargs tests.
 597
 598 gdb_test_no_output "macro define va_c99(...) varfunc (fixedarg, __VA_ARGS__)" \
 599   "define first varargs helper"
 600
 601 gdb_test_no_output "macro define va2_c99(x, y, ...) varfunc (fixedarg, x, y, __VA_ARGS__)" \
 602   "define second varargs helper"
 603
 604 gdb_test_no_output "macro define va_gnu(args...) varfunc (fixedarg, args)" \
 605   "define third varargs helper"
 606
 607 gdb_test_no_output "macro define va2_gnu(args...) varfunc (fixedarg, ## args)" \
 608   "define fourth varargs helper"
 609
 610 gdb_test "macro expand va_c99(one, two, three)" \
 611   "expands to: *varfunc \\(fixedarg, *one, two, three\\)" \
 612   "c99 varargs expansion"
 613
 614 gdb_test "macro expand va_c99()" \
 615   "expands to: *varfunc \\(fixedarg, *\\)" \
 616   "c99 varargs expansion without an argument"
 617
 618 gdb_test "macro expand va2_c99(one, two, three, four)" \
 619   "expands to: *varfunc \\(fixedarg, *one, two, three, four\\)" \
 620   "c99 varargs expansion, multiple formal arguments"
 621
 622 gdb_test "macro expand va_gnu(one, two, three, four)" \
 623   "expands to: *varfunc \\(fixedarg, *one, two, three, four\\)" \
 624   "gnu varargs expansion"
 625
 626 gdb_test "macro expand va_gnu()" \
 627   "expands to: *varfunc \\(fixedarg, *\\)" \
 628   "gnu varargs expansion without an argument"
 629
 630 gdb_test "macro expand va2_gnu()" \
 631   "expands to: *varfunc \\(fixedarg\\)" \
 632   "gnu varargs expansion special splicing without an argument"
 633
 634 # Stringification tests.
 635
 636 gdb_test_no_output "macro define str(x) #x" \
 637   "define stringification macro"
 638
 639 gdb_test_no_output "macro define maude 5" \
 640   "define first stringification helper"
 641
 642 gdb_test_no_output "macro define xstr(x) str(x)" \
 643   "define second stringification helper"
 644
 645 gdb_test "print str(5)" \
 646   " = \"5\"" \
 647   "simple stringify"
 648
 649 gdb_test "print str(hi bob)" \
 650   " = \"hi bob\"" \
 651   "stringify with one space"
 652
 653 gdb_test "print str(  hi  bob  )" \
 654   " = \"hi bob\"" \
 655   "stringify with many spaces"
 656
 657 gdb_test "print str(hi \"bob\")" \
 658   " = \"hi \\\\\"bob\\\\\"\"" \
 659   "stringify with quotes"
 660
 661 gdb_test "print str(hi \\bob\\)" \
 662   " = \"hi \\\\\\\\bob\\\\\\\\\"" \
 663   "stringify with backslashes"
 664
 665 gdb_test "print str(maude)" \
 666   " = \"maude\"" \
 667   "stringify without substitution"
 668
 669 gdb_test "print xstr(maude)" \
 670   " = \"5\"" \
 671   "stringify with substitution"
 672
 673 # Regression test for pp-number bug.
 674 gdb_test_no_output "macro define si_addr fields.fault.si_addr" \
 675   "define si_addr macro"
 676
 677 gdb_test "macro expand siginfo.si_addr" \
 678   "expands to: siginfo.fields.fault.si_addr" \
 679   "macro expand siginfo.si_addr"