4474 DTrace Userland CTF Support
4475 DTrace userland Keyword
4476 DTrace tests should be better citizens
4479 pid provider types
4480 dof emulation missing checks
Reviewed by: Bryan Cantrill <bryan@joyent.com>

          --- old/usr/src/cmd/dtrace/test/tst/common/usdt/tst.dlclose3.ksh
          +++ new/usr/src/cmd/dtrace/test/tst/common/usdt/tst.dlclose3.ksh

   1    1  #!/bin/ksh -p
   2    2  #
   3    3  # CDDL HEADER START
   4    4  #
   5    5  # The contents of this file are subject to the terms of the
   6    6  # Common Development and Distribution License (the "License").
   7    7  # You may not use this file except in compliance with the License.
   8    8  #
   9    9  # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10   10  # or http://www.opensolaris.org/os/licensing.
  11   11  # See the License for the specific language governing permissions
  12   12  # and limitations under the License.
  13   13  #
  14   14  # When distributing Covered Code, include this CDDL HEADER in each
  15   15  # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16   16  # If applicable, add the following below this CDDL HEADER, with the
  17   17  # fields enclosed by brackets "[]" replaced with your own identifying
  18   18  # information: Portions Copyright [yyyy] [name of copyright owner]
  19   19  #
  20   20  # CDDL HEADER END
  21   21  #
  22   22  
  23   23  #
  24   24  # Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  25   25  # Use is subject to license terms.
  26   26  #
  27   27  
  28   28  #
  29   29  # This test verifies that performing a dlclose(3dl) on a library doesn't
  30   30  # cause existing pid provider probes to become invalid.
  31   31  #
  32   32  
  33   33  if [ $# != 1 ]; then
  34   34          echo expected one argument: '<'dtrace-path'>'
  35   35          exit 2
  36   36  fi
  37   37  

  38   38  dtrace=$1
  39   39  DIR=/var/tmp/dtest.$$
  40   40  
  41   41  mkdir $DIR
  42   42  cd $DIR
  43   43  
  44   44  cat > Makefile <<EOF
  45   45  all: main livelib.so deadlib.so
  46   46  
  47   47  main: main.o prov.o
  48      -        gcc -o main main.o
       48 +        gcc -m32 -o main main.o
  49   49  
  50   50  main.o: main.c
  51      -        gcc -c main.c
       51 +        gcc -m32 -c main.c
  52   52  
  53   53  
  54   54  livelib.so: livelib.o prov.o
  55      -        gcc -shared -o livelib.so livelib.o prov.o -lc
       55 +        gcc -m32 -shared -o livelib.so livelib.o prov.o -lc
  56   56  
  57   57  livelib.o: livelib.c prov.h
  58      -        gcc -c livelib.c
       58 +        gcc -m32 -fPIC -c livelib.c
  59   59  
  60   60  prov.o: livelib.o prov.d
  61   61          $dtrace -G -s prov.d livelib.o
  62   62  
  63   63  prov.h: prov.d
  64   64          $dtrace -h -s prov.d
  65   65  
  66   66  
  67   67  deadlib.so: deadlib.o
  68      -        gcc -shared -o deadlib.so deadlib.o -lc
       68 +        gcc -m32 -shared -o deadlib.so deadlib.o -lc
  69   69  
  70   70  deadlib.o: deadlib.c
  71      -        gcc -c deadlib.c
       71 +        gcc -m32 -fPIC -c deadlib.c
  72   72  
  73   73  clean:
  74   74          rm -f main.o livelib.o prov.o prov.h deadlib.o
  75   75  
  76   76  clobber: clean
  77   77          rm -f main livelib.so deadlib.so
  78   78  EOF
  79   79  
  80   80  cat > prov.d <<EOF
  81   81  provider test_prov {

  82   82          probe go();
  83   83  };
  84   84  EOF
  85   85  
  86   86  cat > livelib.c <<EOF
  87   87  #include "prov.h"
  88   88  
  89   89  void
  90   90  go(void)
  91   91  {
  92   92          TEST_PROV_GO();
  93   93  }
  94   94  EOF
  95   95  
  96   96  cat > deadlib.c <<EOF
  97   97  void
  98   98  go(void)
  99   99  {
 100  100  }
 101  101  EOF
 102  102  
 103  103  
 104  104  cat > main.c <<EOF
 105  105  #include <dlfcn.h>
 106  106  #include <unistd.h>
 107  107  #include <stdio.h>
 108  108  
 109  109  static void
 110  110  foo(void)
 111  111  {
 112  112          (void) close(-1);
 113  113  }
 114  114  
 115  115  int
 116  116  main(int argc, char **argv)
 117  117  {
 118  118          void *live;
 119  119  
 120  120          if ((live = dlopen("./livelib.so", RTLD_LAZY | RTLD_LOCAL)) == NULL) {
 121  121                  printf("dlopen of livelib.so failed: %s\n", dlerror());
 122  122                  return (1);
 123  123          }
 124  124  
 125  125          (void) dlclose(live);
 126  126  
 127  127          foo();
 128  128  
 129  129          return (0);
 130  130  }
 131  131  EOF
 132  132  
 133  133  make > /dev/null
 134  134  if [ $? -ne 0 ]; then
 135  135          print -u2 "failed to build"
 136  136          exit 1
 137  137  fi
 138  138  
 139  139  script() {
 140  140          $dtrace -c ./main -s /dev/stdin <<EOF
 141  141          pid\$target:a.out:foo:entry
 142  142          {
 143  143                  gotit = 1;
 144  144                  exit(0);
 145  145          }
 146  146  
 147  147          tick-1s
 148  148          /i++ == 5/
 149  149          {
 150  150                  printf("test timed out");
 151  151                  exit(1);
 152  152          }
 153  153  
 154  154          END
 155  155          /!gotit/
 156  156          {
 157  157                  printf("program ended without hitting probe");
 158  158                  exit(1);
 159  159          }
 160  160  EOF
 161  161  }
 162  162  
 163  163  script
 164  164  status=$?
 165  165  
 166  166  cd /
 167  167  /usr/bin/rm -rf $DIR
 168  168  
 169  169  exit $status

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