usr/src/cmd/dtrace/test/tst/sparc/usdt/tst.tailcall.ksh

   1 #
   2 # CDDL HEADER START
   3 #
   4 # The contents of this file are subject to the terms of the
   5 # Common Development and Distribution License (the "License").
   6 # You may not use this file except in compliance with the License.
   7 #
   8 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9 # or http://www.opensolaris.org/os/licensing.
  10 # See the License for the specific language governing permissions
  11 # and limitations under the License.
  12 #
  13 # When distributing Covered Code, include this CDDL HEADER in each
  14 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15 # If applicable, add the following below this CDDL HEADER, with the
  16 # fields enclosed by brackets "[]" replaced with your own identifying
  17 # information: Portions Copyright [yyyy] [name of copyright owner]
  18 #
  19 # CDDL HEADER END
  20 #
  21
  22 #
  23 # Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  24 # Use is subject to license terms.
  25 #
  26
  27 #
  28 # ASSERTION: Make sure USDT probes work as tail-calls on SPARC.
  29 #
  30
  31 if [ $# != 1 ]; then
  32         echo expected one argument: '<'dtrace-path'>'
  33         exit 2
  34 fi
  35
  36 dtrace=$1
  37 DIR=/var/tmp/dtest.$$
  38
  39 mkdir $DIR
  40 cd $DIR
  41
  42 cat > test.s <<EOF
  43 #include <sys/asm_linkage.h>
  44
  45         DGDEF(__fsr_init_value)
  46         .word 0
  47
  48         ENTRY(test)
  49         save    %sp, -SA(MINFRAME + 4), %sp
  50         mov     9, %i0
  51         mov     19, %i1
  52         mov     2006, %i2
  53         call    __dtrace_test___fire
  54         restore
  55         SET_SIZE(test)
  56
  57         ENTRY(main)
  58         save    %sp, -SA(MINFRAME + 4), %sp
  59
  60 1:
  61         call    test
  62         nop
  63
  64         ba      1b
  65         nop
  66
  67         ret
  68         restore %g0, %g0, %o0
  69         SET_SIZE(main)
  70 EOF
  71
  72 cat > prov.d <<EOF
  73 provider test {
  74         probe fire(int, int, int);
  75 };
  76 EOF
  77
  78 /usr/ccs/bin/as -xregsym=no -P -D_ASM -o test.o test.s
  79 if [ $? -ne 0 ]; then
  80         print -u2 "failed to compile test.s"
  81         exit 1
  82 fi
  83
  84 $dtrace -G -32 -s prov.d test.o
  85 if [ $? -ne 0 ]; then
  86         print -u2 "failed to create DOF"
  87         exit 1
  88 fi
  89
  90 gcc -o test test.o prov.o
  91 if [ $? -ne 0 ]; then
  92         print -u2 "failed to link final executable"
  93         exit 1
  94 fi
  95
  96 $dtrace -c ./test -s /dev/stdin <<EOF
  97 test\$target:::fire
  98 /arg0 == 9 && arg1 == 19 && arg2 == 2006/
  99 {
 100         printf("%d/%d/%d", arg0, arg1, arg2);
 101         exit(0);
 102 }
 103
 104 test\$target:::fire
 105 {
 106         printf("%d/%d/%d", arg0, arg1, arg2);
 107         exit(1);
 108 }
 109
 110 BEGIN
 111 {
 112         /*
 113          * Let's just do this for 5 seconds.
 114          */
 115         timeout = timestamp + 5000000000;
 116 }
 117
 118 profile:::tick-4
 119 /timestamp > timeout/
 120 {
 121         trace("test timed out");
 122         exit(1);
 123 }
 124 EOF
 125
 126 status=$?
 127
 128 cd /
 129 /usr/bin/rm -rf $DIR
 130
 131 exit $status