hotspot/src/os/solaris/vm/dtraceJSDT_solaris.cpp
changeset 29044 37c6512bd1df
parent 29043 1a9a6f8f71f6
parent 29042 7545059c977e
child 29046 c46ad26fb278
--- a/hotspot/src/os/solaris/vm/dtraceJSDT_solaris.cpp	Thu Feb 19 11:24:08 2015 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,655 +0,0 @@
-/*
- * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-#include "precompiled.hpp"
-#include "classfile/javaClasses.hpp"
-#include "code/codeBlob.hpp"
-#include "memory/allocation.hpp"
-#include "prims/jvm.h"
-#include "runtime/dtraceJSDT.hpp"
-#include "runtime/jniHandles.hpp"
-#include "runtime/os.hpp"
-#include "runtime/signature.hpp"
-#include "utilities/globalDefinitions.hpp"
-
-#ifdef HAVE_DTRACE_H
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <dtrace.h>
-
-static const char* devname    = "/dev/dtrace/helper";
-static const char* olddevname = "/devices/pseudo/dtrace@0:helper";
-
-static const char* string_sig = "uintptr_t";
-static const char* int_sig    = "long";
-static const char* long_sig   = "long long";
-
-static void printDOFHelper(dof_helper_t* helper);
-
-static int dofhelper_open() {
-  int fd;
-  if ((fd = open64(devname, O_RDWR)) < 0) {
-    // Optimize next calls
-    devname = olddevname;
-    if ((fd = open64(devname, O_RDWR)) < 0) {
-      return -1;
-    }
-  }
-  return fd;
-}
-
-static jint dof_register(jstring module, uint8_t* dof, void* modaddr) {
-  int probe;
-  dof_helper_t dh;
-  int fd;
-
-  memset(&dh, 0, sizeof(dh));
-
-  char* module_name = java_lang_String::as_utf8_string(
-        JNIHandles::resolve_non_null(module));
-  jio_snprintf(dh.dofhp_mod, sizeof(dh.dofhp_mod), "%s", module_name);
-  dh.dofhp_dof  = (uint64_t)dof;
-  dh.dofhp_addr = (uint64_t)modaddr;
-
-  fd = dofhelper_open();
-  if (fd < 0)
-    return -1;
-  probe = ioctl(fd, DTRACEHIOC_ADDDOF, &dh);
-  close(fd);
-  if (PrintDTraceDOF) {
-    printDOFHelper(&dh);
-    tty->print_cr("DOF helper id = %d", probe);
-  }
-  return probe;
-}
-
-int DTraceJSDT::pd_activate(
-    void* moduleBaseAddress, jstring module,
-    jint providers_count, JVM_DTraceProvider* providers) {
-
-  // We need sections:
-  //  (1) STRTAB
-  //  (
-  //    (2) PROVIDER
-  //    (3) PROBES
-  //    (4) PROBOFFS
-  //    (5) PROBARGS
-  //  ) * Number of Providers
-
-  // Type of sections we create
-  enum {
-    STRTAB = 0,
-    PROVIDERS = 1,
-    PROBES = 2,
-    PROBE_OFFSETS = 3,
-    ARG_OFFSETS = 4,
-    NUM_SECTIONS = 5
-  };
-
-  static int alignment_for[NUM_SECTIONS] = { 1, 4, 8, 4, 1 };
-
-  ResourceMark rm;
-
-  uint32_t num_sections = 1 + 4 * providers_count;
-  uint32_t offset = sizeof(dof_hdr_t) + (num_sections * sizeof(dof_sec_t));
-  uint32_t* secoffs = NEW_RESOURCE_ARRAY(uint32_t, num_sections);
-  uint32_t* secsize = NEW_RESOURCE_ARRAY(uint32_t, num_sections);
-
-  // Store offsets of all strings here in such order:
-  //  zero-string (always 0)
-  //  provider1-name
-  //    probe1-function
-  //    probe1-name
-  //    arg-1
-  //    arg-2
-  //    ...
-  //    probe2-function
-  //    probe2-name
-  //    arg-1
-  //    arg-2
-  //  provider2-name
-  //    ...
-
-  uint32_t strcount  = 0;
-  // Count the number of strings we'll need
-  for(int prvc = 0; prvc < providers_count; ++prvc) {
-    JVM_DTraceProvider* provider = &providers[prvc];
-    // Provider name
-    ++strcount;
-    for(int prbc = 0; prbc < provider->probe_count; ++prbc) {
-      JVM_DTraceProbe* p = &(provider->probes[prbc]);
-      Symbol* sig = Method::resolve_jmethod_id(p->method)->signature();
-      // function + name + one per argument
-      strcount += 2 + ArgumentCount(sig).size();
-    }
-  }
-
-  // Create place for string offsets
-  uint32_t* stroffs = NEW_RESOURCE_ARRAY(uint32_t, strcount + 1);
-  uint32_t string_index = 0;
-  uint32_t curstr = 0;
-
-  // First we need an empty string: ""
-  stroffs[curstr++] = string_index;
-  string_index += strlen("") + 1;
-
-  for(int prvc = 0; prvc < providers_count; ++prvc) {
-    JVM_DTraceProvider* provider = &providers[prvc];
-    char* provider_name = java_lang_String::as_utf8_string(
-        JNIHandles::resolve_non_null(provider->name));
-    stroffs[curstr++] = string_index;
-    string_index += strlen(provider_name) + 1;
-
-    // All probes
-    for(int prbc = 0; prbc < provider->probe_count; ++prbc) {
-      JVM_DTraceProbe* p = &(provider->probes[prbc]);
-
-      char* function = java_lang_String::as_utf8_string(
-          JNIHandles::resolve_non_null(p->function));
-      stroffs[curstr++] = string_index;
-      string_index += strlen(function) + 1;
-
-      char* name = java_lang_String::as_utf8_string(
-          JNIHandles::resolve_non_null(p->name));
-      stroffs[curstr++] = string_index;
-      string_index += strlen(name) + 1;
-
-      Symbol* sig = Method::resolve_jmethod_id(p->method)->signature();
-      SignatureStream ss(sig);
-      for ( ; !ss.at_return_type(); ss.next()) {
-        BasicType bt = ss.type();
-        const char* t = NULL;
-        if (bt == T_OBJECT &&
-            ss.as_symbol_or_null() == vmSymbols::java_lang_String()) {
-          t = string_sig;
-        } else if (bt == T_LONG) {
-          t = long_sig;
-        } else {
-          t = int_sig;
-        }
-        stroffs[curstr++] = string_index;
-        string_index += strlen(t) + 1;
-      }
-    }
-  }
-  secoffs[STRTAB] = offset;
-  secsize[STRTAB] = string_index;
-  offset += string_index;
-
-  // Calculate the size of the rest
-  for(int prvc = 0; prvc < providers_count; ++prvc) {
-    JVM_DTraceProvider* provider = &providers[prvc];
-    size_t provider_sec  = PROVIDERS     + prvc * 4;
-    size_t probe_sec     = PROBES        + prvc * 4;
-    size_t probeoffs_sec = PROBE_OFFSETS + prvc * 4;
-    size_t argoffs_sec   = ARG_OFFSETS   + prvc * 4;
-
-    // Allocate space for the provider data struction
-    secoffs[provider_sec] = align_size_up(offset, alignment_for[PROVIDERS]);
-    secsize[provider_sec] = sizeof(dof_provider_t);
-    offset = secoffs[provider_sec] + secsize[provider_sec];
-
-    // Allocate space for all the probes
-    secoffs[probe_sec] = align_size_up(offset, alignment_for[PROBES]);
-    secsize[probe_sec] = sizeof(dof_probe_t) * provider->probe_count;
-    offset = secoffs[probe_sec] + secsize[probe_sec];
-
-    // Allocate space for the probe offsets
-    secoffs[probeoffs_sec] = align_size_up(offset, alignment_for[PROBE_OFFSETS]);
-    secsize[probeoffs_sec] = sizeof(uint32_t) * provider->probe_count;
-    offset = secoffs[probeoffs_sec] + secsize[probeoffs_sec];
-
-    // We need number of arguments argoffs
-    uint32_t argscount = 0;
-    for(int prbc = 0; prbc < provider->probe_count; ++prbc) {
-       JVM_DTraceProbe* p = &(provider->probes[prbc]);
-       Symbol* sig = Method::resolve_jmethod_id(p->method)->signature();
-       argscount += ArgumentCount(sig).size();
-    }
-    secoffs[argoffs_sec] = align_size_up(offset, alignment_for[ARG_OFFSETS]);
-    secsize[argoffs_sec] = sizeof(uint8_t) * argscount;
-    offset = secoffs[argoffs_sec] + secsize[argoffs_sec];
-  }
-
-  uint32_t size = offset;
-
-  uint8_t* dof = NEW_RESOURCE_ARRAY(uint8_t, size);
-  if (!dof) {
-    return -1;
-  }
-  memset((void*)dof, 0, size);
-
-  // Fill memory with proper values
-  dof_hdr_t* hdr = (dof_hdr_t*)dof;
-  hdr->dofh_ident[DOF_ID_MAG0]     = DOF_MAG_MAG0;
-  hdr->dofh_ident[DOF_ID_MAG1]     = DOF_MAG_MAG1;
-  hdr->dofh_ident[DOF_ID_MAG2]     = DOF_MAG_MAG2;
-  hdr->dofh_ident[DOF_ID_MAG3]     = DOF_MAG_MAG3;
-  hdr->dofh_ident[DOF_ID_MODEL]    = DOF_MODEL_NATIVE;  // No variants
-  hdr->dofh_ident[DOF_ID_ENCODING] = DOF_ENCODE_NATIVE; // No variants
-  hdr->dofh_ident[DOF_ID_VERSION]  = DOF_VERSION_1;     // No variants
-  hdr->dofh_ident[DOF_ID_DIFVERS]  = DIF_VERSION_2;     // No variants
-  // all other fields of ident to zero
-
-  hdr->dofh_flags   = 0;
-  hdr->dofh_hdrsize = sizeof(dof_hdr_t);
-  hdr->dofh_secsize = sizeof(dof_sec_t);
-  hdr->dofh_secnum  = num_sections;
-  hdr->dofh_secoff  = sizeof(dof_hdr_t);
-  hdr->dofh_loadsz  = size;
-  hdr->dofh_filesz  = size;
-
-  // First section: STRTAB
-  dof_sec_t* sec = (dof_sec_t*)(dof + sizeof(dof_hdr_t));
-  sec->dofs_type    = DOF_SECT_STRTAB;
-  sec->dofs_align   = alignment_for[STRTAB];
-  sec->dofs_flags   = DOF_SECF_LOAD;
-  sec->dofs_entsize = 0;
-  sec->dofs_offset  = secoffs[STRTAB];
-  sec->dofs_size    = secsize[STRTAB];
-  // Make data for this section
-  char* str = (char*)(dof + sec->dofs_offset);
-
-  *str = 0; str += 1; // ""
-
-  // Run through all strings again
-  for(int prvc = 0; prvc < providers_count; ++prvc) {
-    JVM_DTraceProvider* provider = &providers[prvc];
-    char* provider_name = java_lang_String::as_utf8_string(
-        JNIHandles::resolve_non_null(provider->name));
-    strcpy(str, provider_name);
-    str += strlen(provider_name) + 1;
-
-    // All probes
-    for(int prbc = 0; prbc < provider->probe_count; ++prbc) {
-      JVM_DTraceProbe* p = &(provider->probes[prbc]);
-
-      char* function = java_lang_String::as_utf8_string(
-          JNIHandles::resolve_non_null(p->function));
-      strcpy(str, function);
-      str += strlen(str) + 1;
-
-      char* name = java_lang_String::as_utf8_string(
-          JNIHandles::resolve_non_null(p->name));
-      strcpy(str, name);
-      str += strlen(name) + 1;
-
-      Symbol* sig = Method::resolve_jmethod_id(p->method)->signature();
-      SignatureStream ss(sig);
-      for ( ; !ss.at_return_type(); ss.next()) {
-        BasicType bt = ss.type();
-        const char* t;
-        if (bt == T_OBJECT &&
-            ss.as_symbol_or_null() == vmSymbols::java_lang_String()) {
-          t = string_sig;
-        } else if (bt == T_LONG) {
-          t = long_sig;
-        } else {
-          t = int_sig;
-        }
-        strcpy(str, t);
-        str += strlen(t) + 1;
-      }
-    }
-  }
-
-  curstr = 1;
-  for(int prvc = 0; prvc < providers_count; ++prvc) {
-    JVM_DTraceProvider* provider = &providers[prvc];
-    size_t provider_sec  = PROVIDERS     + prvc * 4;
-    size_t probe_sec     = PROBES        + prvc * 4;
-    size_t probeoffs_sec = PROBE_OFFSETS + prvc * 4;
-    size_t argoffs_sec   = ARG_OFFSETS   + prvc * 4;
-
-    // PROVIDER ///////////////////////////////////////////////////////////////
-    // Section header
-    sec = (dof_sec_t*)
-        (dof + sizeof(dof_hdr_t) + sizeof(dof_sec_t) * provider_sec);
-    sec->dofs_type    = DOF_SECT_PROVIDER;
-    sec->dofs_align   = alignment_for[PROVIDERS];
-    sec->dofs_flags   = DOF_SECF_LOAD;
-    sec->dofs_entsize = 0;
-    sec->dofs_offset  = secoffs[provider_sec];
-    sec->dofs_size    = secsize[provider_sec];
-    // Make provider decriiption
-    dof_provider_t* prv = (dof_provider_t*)(dof + sec->dofs_offset);
-    prv->dofpv_strtab   = STRTAB;
-    prv->dofpv_probes   = probe_sec;
-    prv->dofpv_prargs   = argoffs_sec;
-    prv->dofpv_proffs   = probeoffs_sec;
-    prv->dofpv_name     = stroffs[curstr++]; // Index in string table
-    prv->dofpv_provattr = DOF_ATTR(
-        provider->providerAttributes.nameStability,
-        provider->providerAttributes.dataStability,
-        provider->providerAttributes.dependencyClass);
-    prv->dofpv_modattr = DOF_ATTR(
-        provider->moduleAttributes.nameStability,
-        provider->moduleAttributes.dataStability,
-        provider->moduleAttributes.dependencyClass);
-    prv->dofpv_funcattr = DOF_ATTR(
-        provider->functionAttributes.nameStability,
-        provider->functionAttributes.dataStability,
-        provider->functionAttributes.dependencyClass);
-    prv->dofpv_nameattr = DOF_ATTR(
-        provider->nameAttributes.nameStability,
-        provider->nameAttributes.dataStability,
-        provider->nameAttributes.dependencyClass);
-    prv->dofpv_argsattr = DOF_ATTR(
-        provider->argsAttributes.nameStability,
-        provider->argsAttributes.dataStability,
-        provider->argsAttributes.dependencyClass);
-
-    // PROBES /////////////////////////////////////////////////////////////////
-    // Section header
-    sec = (dof_sec_t*)
-        (dof + sizeof(dof_hdr_t) + sizeof(dof_sec_t) * probe_sec);
-    sec->dofs_type    = DOF_SECT_PROBES;
-    sec->dofs_align   = alignment_for[PROBES];
-    sec->dofs_flags   = DOF_SECF_LOAD;
-    sec->dofs_entsize = sizeof(dof_probe_t);
-    sec->dofs_offset  = secoffs[probe_sec];
-    sec->dofs_size    = secsize[probe_sec];
-    // Make probes descriptions
-    uint32_t argsoffs = 0;
-    for(int prbc = 0; prbc < provider->probe_count; ++prbc) {
-      JVM_DTraceProbe* probe = &(provider->probes[prbc]);
-      Method* m = Method::resolve_jmethod_id(probe->method);
-      int arg_count = ArgumentCount(m->signature()).size();
-      assert(m->code() != NULL, "must have an nmethod");
-
-      dof_probe_t* prb =
-         (dof_probe_t*)(dof + sec->dofs_offset + prbc * sizeof(dof_probe_t));
-
-      prb->dofpr_addr   = (uint64_t)m->code()->entry_point();
-      prb->dofpr_func   = stroffs[curstr++]; // Index in string table
-      prb->dofpr_name   = stroffs[curstr++]; // Index in string table
-      prb->dofpr_nargv  = stroffs[curstr  ]; // Index in string table
-      // We spent siglen strings here
-      curstr += arg_count;
-      prb->dofpr_xargv  = prb->dofpr_nargv;  // Same bunch of strings
-      prb->dofpr_argidx = argsoffs;
-      prb->dofpr_offidx = prbc;
-      prb->dofpr_nargc  = arg_count;
-      prb->dofpr_xargc  = arg_count;
-      prb->dofpr_noffs  = 1; // Number of offsets
-      // Next bunch of offsets
-      argsoffs += arg_count;
-    }
-
-    // PROFFS /////////////////////////////////////////////////////////////////
-    // Section header
-    sec = (dof_sec_t*)
-        (dof + sizeof(dof_hdr_t) + sizeof(dof_sec_t) * probeoffs_sec);
-    sec->dofs_type    = DOF_SECT_PROFFS;
-    sec->dofs_align   = alignment_for[PROBE_OFFSETS];
-    sec->dofs_flags   = DOF_SECF_LOAD;
-    sec->dofs_entsize = sizeof(uint32_t);
-    sec->dofs_offset  = secoffs[probeoffs_sec];
-    sec->dofs_size    = secsize[probeoffs_sec];
-    // Make offsets
-    for (int prbc = 0; prbc < provider->probe_count; ++prbc) {
-      uint32_t* pof =
-          (uint32_t*)(dof + sec->dofs_offset + sizeof(uint32_t) * prbc);
-      JVM_DTraceProbe* probe = &(provider->probes[prbc]);
-      Method* m = Method::resolve_jmethod_id(probe->method);
-      *pof = m->code()->trap_offset();
-    }
-
-    // PRARGS /////////////////////////////////////////////////////////////////
-    // Section header
-    sec = (dof_sec_t*)
-        (dof + sizeof(dof_hdr_t) + sizeof(dof_sec_t) * argoffs_sec);
-    sec->dofs_type    = DOF_SECT_PRARGS;
-    sec->dofs_align   = alignment_for[ARG_OFFSETS];
-    sec->dofs_flags   = DOF_SECF_LOAD;
-    sec->dofs_entsize = sizeof(uint8_t);
-    sec->dofs_offset  = secoffs[argoffs_sec];
-    sec->dofs_size    = secsize[argoffs_sec];
-    // Make arguments
-    uint8_t* par = (uint8_t*)(dof + sec->dofs_offset);
-    for (int prbc = 0; prbc < provider->probe_count; ++prbc) {
-      JVM_DTraceProbe* p = &(provider->probes[prbc]);
-      Symbol* sig = Method::resolve_jmethod_id(p->method)->signature();
-      uint8_t count = (uint8_t)ArgumentCount(sig).size();
-      for (uint8_t i = 0; i < count; ++i) {
-        *par++ = i;
-      }
-    }
-  }
-
-  // Register module
-  return dof_register(module, dof, moduleBaseAddress);
-}
-
-
-void DTraceJSDT::pd_dispose(int handle) {
-  int fd;
-  if (handle == -1) {
-    return;
-  }
-  fd = dofhelper_open();
-  if (fd < 0)
-    return;
-  ioctl(fd, DTRACEHIOC_REMOVE, handle);
-  close(fd);
-}
-
-jboolean DTraceJSDT::pd_is_supported() {
-  int fd = dofhelper_open();
-  if (fd < 0) {
-    return false;
-  }
-  close(fd);
-  return true;
-}
-
-static const char* dofSecTypeFor(uint32_t type) {
-  switch (type) {
-    case 0:  return "DOF_SECT_NONE";
-    case 1:  return "DOF_SECT_COMMENTS";
-    case 2:  return "DOF_SECT_SOURCE";
-    case 3:  return "DOF_SECT_ECBDESC";
-    case 4:  return "DOF_SECT_PROBEDESC";
-    case 5:  return "DOF_SECT_ACTDESC";
-    case 6:  return "DOF_SECT_DIFOHDR";
-    case 7:  return "DOF_SECT_DIF";
-    case 8:  return "DOF_SECT_STRTAB";
-    case 9:  return "DOF_SECT_VARTAB";
-    case 10: return "DOF_SECT_RELTAB";
-    case 11: return "DOF_SECT_TYPETAB";
-    case 12: return "DOF_SECT_URELHDR";
-    case 13: return "DOF_SECT_KRELHDR";
-    case 14: return "DOF_SECT_OPTDESC";
-    case 15: return "DOF_SECT_PROVIDER";
-    case 16: return "DOF_SECT_PROBES";
-    case 17: return "DOF_SECT_PRARGS";
-    case 18: return "DOF_SECT_PROFFS";
-    case 19: return "DOF_SECT_INTTAB";
-    case 20: return "DOF_SECT_UTSNAME";
-    case 21: return "DOF_SECT_XLTAB";
-    case 22: return "DOF_SECT_XLMEMBERS";
-    case 23: return "DOF_SECT_XLIMPORT";
-    case 24: return "DOF_SECT_XLEXPORT";
-    case 25: return "DOF_SECT_PREXPORT";
-    case 26: return "DOF_SECT_PRENOFFS";
-    default: return "<unknown>";
-  }
-}
-
-static void printDOFStringTabSec(void* dof, dof_sec_t* sec) {
-  size_t tab = sec->dofs_offset;
-  size_t limit = sec->dofs_size;
-  tty->print_cr("//   String Table:");
-  for (size_t idx = 0; idx < limit; /*empty*/) {
-    char* str = ((char*)dof) + tab + idx;
-    tty->print_cr("//   [0x%x + 0x%x] '%s'", tab, idx, str);
-    idx += strlen(str) + 1;
-  }
-}
-
-static void printDOFProviderSec(void* dof, dof_sec_t* sec) {
-  dof_provider_t* prov = (dof_provider_t*)((char*)dof + sec->dofs_offset);
-  tty->print_cr("//   dof_provider_t {");
-  tty->print_cr("//     dofpv_strtab = %d", prov->dofpv_strtab);
-  tty->print_cr("//     dofpv_probes = %d", prov->dofpv_probes);
-  tty->print_cr("//     dofpv_prargs = %d", prov->dofpv_prargs);
-  tty->print_cr("//     dofpv_proffs = %d", prov->dofpv_proffs);
-  tty->print_cr("//     dofpv_name = 0x%x", prov->dofpv_name);
-  tty->print_cr("//     dofpv_provattr = 0x%08x", prov->dofpv_provattr);
-  tty->print_cr("//     dofpv_modattr = 0x%08x", prov->dofpv_modattr);
-  tty->print_cr("//     dofpv_funcattr = 0x%08x", prov->dofpv_funcattr);
-  tty->print_cr("//     dofpv_nameattr = 0x%08x", prov->dofpv_nameattr);
-  tty->print_cr("//     dofpv_argsattr = 0x%08x", prov->dofpv_argsattr);
-  tty->print_cr("//   }");
-}
-
-static void printDOFProbesSec(void* dof, dof_sec_t* sec) {
-  size_t idx = sec->dofs_offset;
-  size_t limit = idx + sec->dofs_size;
-  for (size_t idx = sec->dofs_offset; idx < limit; idx += sec->dofs_entsize) {
-    dof_probe_t* prb = (dof_probe_t*)((char*)dof + idx);
-    tty->print_cr("//   dof_probe_t {");
-    tty->print_cr("//     dofpr_addr = 0x%016llx", prb->dofpr_addr);
-    tty->print_cr("//     dofpr_func = 0x%x", prb->dofpr_func);
-    tty->print_cr("//     dofpr_name = 0x%x", prb->dofpr_name);
-    tty->print_cr("//     dofpr_nargv = 0x%x", prb->dofpr_nargv);
-    tty->print_cr("//     dofpr_xargv = 0x%x", prb->dofpr_xargv);
-    tty->print_cr("//     dofpr_argidx = 0x%x", prb->dofpr_argidx);
-    tty->print_cr("//     dofpr_offidx = 0x%x", prb->dofpr_offidx);
-    tty->print_cr("//     dofpr_nargc = %d", prb->dofpr_nargc);
-    tty->print_cr("//     dofpr_xargc = %d", prb->dofpr_xargc);
-    tty->print_cr("//     dofpr_noffs = %d", prb->dofpr_noffs);
-    tty->print_cr("//   }");
-  }
-}
-
-static void printDOFOffsetsSec(void* dof, dof_sec_t* sec) {
-  size_t tab = sec->dofs_offset;
-  size_t limit = sec->dofs_size;
-  tty->print_cr("//   Offsets:");
-  for (size_t idx = 0; idx < limit; idx += sec->dofs_entsize) {
-    uint32_t* off = (uint32_t*)((char*)dof + tab + idx);
-    tty->print_cr("//   [0x%x + 0x%x]: %d", tab, idx, *off);
-  }
-}
-
-static void printDOFArgsSec(void* dof, dof_sec_t* sec) {
-  size_t tab = sec->dofs_offset;
-  size_t limit = sec->dofs_size;
-  tty->print_cr("//   Arguments:");
-  for (size_t idx = 0; idx < limit; idx += sec->dofs_entsize) {
-    uint8_t* arg = (uint8_t*)((char*)dof + tab + idx);
-    tty->print_cr("//   [0x%x + 0x%x]: %d", tab, idx, *arg);
-  }
-}
-
-static void printDOFSection(void* dof, dof_sec_t* sec) {
-  tty->print_cr("//   dof_sec_t {");
-  tty->print_cr("//     dofs_type = 0x%x /* %s */",
-                sec->dofs_type, dofSecTypeFor(sec->dofs_type));
-  tty->print_cr("//     dofs_align = %d", sec->dofs_align);
-  tty->print_cr("//     dofs_flags = 0x%x", sec->dofs_flags);
-  tty->print_cr("//     dofs_entsize = %d", sec->dofs_entsize);
-  tty->print_cr("//     dofs_offset = 0x%llx", sec->dofs_offset);
-  tty->print_cr("//     dofs_size = %lld", sec->dofs_size);
-  tty->print_cr("//   }");
-  switch (sec->dofs_type) {
-    case DOF_SECT_STRTAB:    printDOFStringTabSec(dof, sec); break;
-    case DOF_SECT_PROVIDER:  printDOFProviderSec(dof, sec);  break;
-    case DOF_SECT_PROBES:    printDOFProbesSec(dof, sec);    break;
-    case DOF_SECT_PROFFS:    printDOFOffsetsSec(dof, sec);   break;
-    case DOF_SECT_PRARGS:    printDOFArgsSec(dof, sec);      break;
-    default: tty->print_cr("//   <section type not recognized>");
-  }
-}
-
-static void printDOFHeader(dof_hdr_t* hdr) {
-  tty->print_cr("//   dof_hdr_t {");
-  tty->print_cr("//     dofh_ident[DOF_ID_MAG0] = 0x%x",
-                hdr->dofh_ident[DOF_ID_MAG0]);
-  tty->print_cr("//     dofh_ident[DOF_ID_MAG1] = 0x%x",
-                hdr->dofh_ident[DOF_ID_MAG1]);
-  tty->print_cr("//     dofh_ident[DOF_ID_MAG2] = 0x%x",
-                hdr->dofh_ident[DOF_ID_MAG2]);
-  tty->print_cr("//     dofh_ident[DOF_ID_MAG3] = 0x%x",
-                hdr->dofh_ident[DOF_ID_MAG3]);
-  tty->print_cr("//     dofh_ident[DOF_ID_MODEL] = 0x%x",
-                hdr->dofh_ident[DOF_ID_MODEL]);
-  tty->print_cr("//     dofh_ident[DOF_ID_ENCODING] = 0x%x",
-                hdr->dofh_ident[DOF_ID_ENCODING]);
-  tty->print_cr("//     dofh_ident[DOF_ID_VERSION] = 0x%x",
-                hdr->dofh_ident[DOF_ID_VERSION]);
-  tty->print_cr("//     dofh_ident[DOF_ID_DIFVERS] = 0x%x",
-                hdr->dofh_ident[DOF_ID_DIFVERS]);
-  tty->print_cr("//     dofh_flags = 0x%x", hdr->dofh_flags);
-  tty->print_cr("//     dofh_hdrsize = %d", hdr->dofh_hdrsize);
-  tty->print_cr("//     dofh_secsize = %d", hdr->dofh_secsize);
-  tty->print_cr("//     dofh_secnum = %d", hdr->dofh_secnum);
-  tty->print_cr("//     dofh_secoff = %lld", hdr->dofh_secoff);
-  tty->print_cr("//     dofh_loadsz = %lld", hdr->dofh_loadsz);
-  tty->print_cr("//     dofh_filesz = %lld", hdr->dofh_filesz);
-  tty->print_cr("//   }");
-}
-
-static void printDOF(void* dof) {
-  dof_hdr_t* hdr = (dof_hdr_t*)dof;
-  printDOFHeader(hdr);
-  for (int i = 0; i < hdr->dofh_secnum; ++i) {
-    dof_sec_t* sec =
-      (dof_sec_t*)((char*)dof + sizeof(dof_hdr_t) + i * sizeof(dof_sec_t));
-    tty->print_cr("//   [Section #%d]", i);
-    printDOFSection(dof, sec);
-  }
-}
-
-static void printDOFHelper(dof_helper_t* helper) {
-  tty->print_cr("// dof_helper_t {");
-  tty->print_cr("//   dofhp_mod = \"%s\"", helper->dofhp_mod);
-  tty->print_cr("//   dofhp_addr = 0x%016llx", helper->dofhp_addr);
-  tty->print_cr("//   dofhp_dof = 0x%016llx", helper->dofhp_dof);
-  printDOF((void*)helper->dofhp_dof);
-  tty->print_cr("// }");
-  size_t len = ((dof_hdr_t*)helper)->dofh_loadsz;
-  tty->print_data((void*)helper->dofhp_dof, len, true);
-}
-
-#else // ndef HAVE_DTRACE_H
-
-// Get here if we're not building on at least Solaris 10
-int DTraceJSDT::pd_activate(
-  void* baseAddress, jstring module,
-  jint provider_count, JVM_DTraceProvider* providers) {
-  return -1;
-}
-
-void DTraceJSDT::pd_dispose(int handle) {
-}
-
-jboolean DTraceJSDT::pd_is_supported() {
-  return false;
-}
-#endif