kamg@551: /* kamg@3992: * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved. kamg@551: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. kamg@551: * kamg@551: * This code is free software; you can redistribute it and/or modify it kamg@551: * under the terms of the GNU General Public License version 2 only, as kamg@551: * published by the Free Software Foundation. kamg@551: * kamg@551: * This code is distributed in the hope that it will be useful, but WITHOUT kamg@551: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or kamg@551: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License kamg@551: * version 2 for more details (a copy is included in the LICENSE file that kamg@551: * accompanied this code). kamg@551: * kamg@551: * You should have received a copy of the GNU General Public License version kamg@551: * 2 along with this work; if not, write to the Free Software Foundation, kamg@551: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. kamg@551: * trims@1907: * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA trims@1907: * or visit www.oracle.com if you need additional information or have any trims@1907: * questions. kamg@551: * kamg@551: */ kamg@551: stefank@2314: #include "precompiled.hpp" stefank@2314: #include "classfile/javaClasses.hpp" stefank@2314: #include "code/codeBlob.hpp" stefank@2314: #include "memory/allocation.hpp" stefank@2314: #include "prims/jvm.h" stefank@2314: #include "runtime/dtraceJSDT.hpp" stefank@2314: #include "runtime/jniHandles.hpp" stefank@2314: #include "runtime/os.hpp" stefank@2314: #include "runtime/signature.hpp" stefank@2314: #include "utilities/globalDefinitions.hpp" kamg@551: kamg@551: #ifdef HAVE_DTRACE_H kamg@551: kamg@551: #include kamg@551: #include kamg@551: #include kamg@551: #include kamg@551: #include kamg@551: kamg@551: static const char* devname = "/dev/dtrace/helper"; kamg@551: static const char* olddevname = "/devices/pseudo/dtrace@0:helper"; kamg@551: kamg@551: static const char* string_sig = "uintptr_t"; kamg@551: static const char* int_sig = "long"; kamg@551: static const char* long_sig = "long long"; kamg@551: kamg@551: static void printDOFHelper(dof_helper_t* helper); kamg@551: kamg@551: static int dofhelper_open() { kamg@551: int fd; kamg@551: if ((fd = open64(devname, O_RDWR)) < 0) { kamg@551: // Optimize next calls kamg@551: devname = olddevname; kamg@551: if ((fd = open64(devname, O_RDWR)) < 0) { kamg@551: return -1; kamg@551: } kamg@551: } kamg@551: return fd; kamg@551: } kamg@551: kamg@551: static jint dof_register(jstring module, uint8_t* dof, void* modaddr) { kamg@551: int probe; kamg@551: dof_helper_t dh; kamg@551: int fd; kamg@551: kamg@551: memset(&dh, 0, sizeof(dh)); kamg@551: kamg@551: char* module_name = java_lang_String::as_utf8_string( kamg@551: JNIHandles::resolve_non_null(module)); kamg@551: jio_snprintf(dh.dofhp_mod, sizeof(dh.dofhp_mod), "%s", module_name); kamg@551: dh.dofhp_dof = (uint64_t)dof; kamg@551: dh.dofhp_addr = (uint64_t)modaddr; kamg@551: kamg@551: fd = dofhelper_open(); kamg@551: if (fd < 0) kamg@551: return -1; kamg@551: probe = ioctl(fd, DTRACEHIOC_ADDDOF, &dh); kamg@551: close(fd); kamg@551: if (PrintDTraceDOF) { kamg@551: printDOFHelper(&dh); kamg@551: tty->print_cr("DOF helper id = %d", probe); kamg@551: } kamg@551: return probe; kamg@551: } kamg@551: kamg@551: int DTraceJSDT::pd_activate( kamg@551: void* moduleBaseAddress, jstring module, kamg@551: jint providers_count, JVM_DTraceProvider* providers) { kamg@551: kamg@551: // We need sections: kamg@551: // (1) STRTAB kamg@551: // ( kamg@551: // (2) PROVIDER kamg@551: // (3) PROBES kamg@551: // (4) PROBOFFS kamg@551: // (5) PROBARGS kamg@551: // ) * Number of Providers kamg@551: kamg@551: // Type of sections we create kamg@551: enum { kamg@551: STRTAB = 0, kamg@551: PROVIDERS = 1, kamg@551: PROBES = 2, kamg@551: PROBE_OFFSETS = 3, kamg@551: ARG_OFFSETS = 4, kamg@551: NUM_SECTIONS = 5 kamg@551: }; kamg@551: kamg@551: static int alignment_for[NUM_SECTIONS] = { 1, 4, 8, 4, 1 }; kamg@551: kamg@551: ResourceMark rm; kamg@551: kamg@551: uint32_t num_sections = 1 + 4 * providers_count; kamg@551: uint32_t offset = sizeof(dof_hdr_t) + (num_sections * sizeof(dof_sec_t)); kamg@551: uint32_t* secoffs = NEW_RESOURCE_ARRAY(uint32_t, num_sections); kamg@551: uint32_t* secsize = NEW_RESOURCE_ARRAY(uint32_t, num_sections); kamg@551: kamg@551: // Store offsets of all strings here in such order: kamg@551: // zero-string (always 0) kamg@551: // provider1-name kamg@551: // probe1-function kamg@551: // probe1-name kamg@551: // arg-1 kamg@551: // arg-2 kamg@551: // ... kamg@551: // probe2-function kamg@551: // probe2-name kamg@551: // arg-1 kamg@551: // arg-2 kamg@551: // provider2-name kamg@551: // ... kamg@551: kamg@551: uint32_t strcount = 0; kamg@551: // Count the number of strings we'll need kamg@551: for(int prvc = 0; prvc < providers_count; ++prvc) { kamg@551: JVM_DTraceProvider* provider = &providers[prvc]; kamg@551: // Provider name kamg@551: ++strcount; kamg@551: for(int prbc = 0; prbc < provider->probe_count; ++prbc) { kamg@551: JVM_DTraceProbe* p = &(provider->probes[prbc]); coleenp@4037: Symbol* sig = Method::resolve_jmethod_id(p->method)->signature(); kamg@551: // function + name + one per argument kamg@551: strcount += 2 + ArgumentCount(sig).size(); kamg@551: } kamg@551: } kamg@551: kamg@551: // Create place for string offsets kamg@551: uint32_t* stroffs = NEW_RESOURCE_ARRAY(uint32_t, strcount + 1); kamg@551: uint32_t string_index = 0; kamg@551: uint32_t curstr = 0; kamg@551: kamg@551: // First we need an empty string: "" kamg@551: stroffs[curstr++] = string_index; kamg@551: string_index += strlen("") + 1; kamg@551: kamg@551: for(int prvc = 0; prvc < providers_count; ++prvc) { kamg@551: JVM_DTraceProvider* provider = &providers[prvc]; kamg@551: char* provider_name = java_lang_String::as_utf8_string( kamg@551: JNIHandles::resolve_non_null(provider->name)); kamg@551: stroffs[curstr++] = string_index; kamg@551: string_index += strlen(provider_name) + 1; kamg@551: kamg@551: // All probes kamg@551: for(int prbc = 0; prbc < provider->probe_count; ++prbc) { kamg@551: JVM_DTraceProbe* p = &(provider->probes[prbc]); kamg@551: kamg@551: char* function = java_lang_String::as_utf8_string( kamg@551: JNIHandles::resolve_non_null(p->function)); kamg@551: stroffs[curstr++] = string_index; kamg@551: string_index += strlen(function) + 1; kamg@551: kamg@551: char* name = java_lang_String::as_utf8_string( kamg@551: JNIHandles::resolve_non_null(p->name)); kamg@551: stroffs[curstr++] = string_index; kamg@551: string_index += strlen(name) + 1; kamg@551: coleenp@4037: Symbol* sig = Method::resolve_jmethod_id(p->method)->signature(); kamg@551: SignatureStream ss(sig); kamg@551: for ( ; !ss.at_return_type(); ss.next()) { kamg@551: BasicType bt = ss.type(); kamg@551: const char* t = NULL; kamg@551: if (bt == T_OBJECT && kamg@551: ss.as_symbol_or_null() == vmSymbols::java_lang_String()) { kamg@551: t = string_sig; kamg@551: } else if (bt == T_LONG) { kamg@551: t = long_sig; kamg@551: } else { kamg@551: t = int_sig; kamg@551: } kamg@551: stroffs[curstr++] = string_index; kamg@551: string_index += strlen(t) + 1; kamg@551: } kamg@551: } kamg@551: } kamg@551: secoffs[STRTAB] = offset; kamg@551: secsize[STRTAB] = string_index; kamg@551: offset += string_index; kamg@551: kamg@551: // Calculate the size of the rest kamg@551: for(int prvc = 0; prvc < providers_count; ++prvc) { kamg@551: JVM_DTraceProvider* provider = &providers[prvc]; kamg@551: size_t provider_sec = PROVIDERS + prvc * 4; kamg@551: size_t probe_sec = PROBES + prvc * 4; kamg@551: size_t probeoffs_sec = PROBE_OFFSETS + prvc * 4; kamg@551: size_t argoffs_sec = ARG_OFFSETS + prvc * 4; kamg@551: kamg@551: // Allocate space for the provider data struction kamg@551: secoffs[provider_sec] = align_size_up(offset, alignment_for[PROVIDERS]); kamg@551: secsize[provider_sec] = sizeof(dof_provider_t); kamg@551: offset = secoffs[provider_sec] + secsize[provider_sec]; kamg@551: kamg@551: // Allocate space for all the probes kamg@551: secoffs[probe_sec] = align_size_up(offset, alignment_for[PROBES]); kamg@551: secsize[probe_sec] = sizeof(dof_probe_t) * provider->probe_count; kamg@551: offset = secoffs[probe_sec] + secsize[probe_sec]; kamg@551: kamg@551: // Allocate space for the probe offsets kamg@551: secoffs[probeoffs_sec] = align_size_up(offset, alignment_for[PROBE_OFFSETS]); kamg@551: secsize[probeoffs_sec] = sizeof(uint32_t) * provider->probe_count; kamg@551: offset = secoffs[probeoffs_sec] + secsize[probeoffs_sec]; kamg@551: kamg@551: // We need number of arguments argoffs kamg@551: uint32_t argscount = 0; kamg@551: for(int prbc = 0; prbc < provider->probe_count; ++prbc) { kamg@551: JVM_DTraceProbe* p = &(provider->probes[prbc]); coleenp@4037: Symbol* sig = Method::resolve_jmethod_id(p->method)->signature(); kamg@551: argscount += ArgumentCount(sig).size(); kamg@551: } kamg@551: secoffs[argoffs_sec] = align_size_up(offset, alignment_for[ARG_OFFSETS]); kamg@551: secsize[argoffs_sec] = sizeof(uint8_t) * argscount; kamg@551: offset = secoffs[argoffs_sec] + secsize[argoffs_sec]; kamg@551: } kamg@551: kamg@551: uint32_t size = offset; kamg@551: kamg@551: uint8_t* dof = NEW_RESOURCE_ARRAY(uint8_t, size); kamg@551: if (!dof) { kamg@551: return -1; kamg@551: } kamg@551: memset((void*)dof, 0, size); kamg@551: kamg@551: // Fill memory with proper values kamg@551: dof_hdr_t* hdr = (dof_hdr_t*)dof; kamg@551: hdr->dofh_ident[DOF_ID_MAG0] = DOF_MAG_MAG0; kamg@551: hdr->dofh_ident[DOF_ID_MAG1] = DOF_MAG_MAG1; kamg@551: hdr->dofh_ident[DOF_ID_MAG2] = DOF_MAG_MAG2; kamg@551: hdr->dofh_ident[DOF_ID_MAG3] = DOF_MAG_MAG3; kamg@551: hdr->dofh_ident[DOF_ID_MODEL] = DOF_MODEL_NATIVE; // No variants kamg@551: hdr->dofh_ident[DOF_ID_ENCODING] = DOF_ENCODE_NATIVE; // No variants kamg@551: hdr->dofh_ident[DOF_ID_VERSION] = DOF_VERSION_1; // No variants kamg@551: hdr->dofh_ident[DOF_ID_DIFVERS] = DIF_VERSION_2; // No variants kamg@551: // all other fields of ident to zero kamg@551: kamg@551: hdr->dofh_flags = 0; kamg@551: hdr->dofh_hdrsize = sizeof(dof_hdr_t); kamg@551: hdr->dofh_secsize = sizeof(dof_sec_t); kamg@551: hdr->dofh_secnum = num_sections; kamg@551: hdr->dofh_secoff = sizeof(dof_hdr_t); kamg@551: hdr->dofh_loadsz = size; kamg@551: hdr->dofh_filesz = size; kamg@551: kamg@551: // First section: STRTAB kamg@551: dof_sec_t* sec = (dof_sec_t*)(dof + sizeof(dof_hdr_t)); kamg@551: sec->dofs_type = DOF_SECT_STRTAB; kamg@551: sec->dofs_align = alignment_for[STRTAB]; kamg@551: sec->dofs_flags = DOF_SECF_LOAD; kamg@551: sec->dofs_entsize = 0; kamg@551: sec->dofs_offset = secoffs[STRTAB]; kamg@551: sec->dofs_size = secsize[STRTAB]; kamg@551: // Make data for this section kamg@551: char* str = (char*)(dof + sec->dofs_offset); kamg@551: kamg@551: *str = 0; str += 1; // "" kamg@551: kamg@551: // Run through all strings again kamg@551: for(int prvc = 0; prvc < providers_count; ++prvc) { kamg@551: JVM_DTraceProvider* provider = &providers[prvc]; kamg@551: char* provider_name = java_lang_String::as_utf8_string( kamg@551: JNIHandles::resolve_non_null(provider->name)); kamg@551: strcpy(str, provider_name); kamg@551: str += strlen(provider_name) + 1; kamg@551: kamg@551: // All probes kamg@551: for(int prbc = 0; prbc < provider->probe_count; ++prbc) { kamg@551: JVM_DTraceProbe* p = &(provider->probes[prbc]); kamg@551: kamg@551: char* function = java_lang_String::as_utf8_string( kamg@551: JNIHandles::resolve_non_null(p->function)); kamg@551: strcpy(str, function); kamg@551: str += strlen(str) + 1; kamg@551: kamg@551: char* name = java_lang_String::as_utf8_string( kamg@551: JNIHandles::resolve_non_null(p->name)); kamg@551: strcpy(str, name); kamg@551: str += strlen(name) + 1; kamg@551: coleenp@4037: Symbol* sig = Method::resolve_jmethod_id(p->method)->signature(); kamg@551: SignatureStream ss(sig); kamg@551: for ( ; !ss.at_return_type(); ss.next()) { kamg@551: BasicType bt = ss.type(); kamg@551: const char* t; kamg@551: if (bt == T_OBJECT && kamg@551: ss.as_symbol_or_null() == vmSymbols::java_lang_String()) { kamg@551: t = string_sig; kamg@551: } else if (bt == T_LONG) { kamg@551: t = long_sig; kamg@551: } else { kamg@551: t = int_sig; kamg@551: } kamg@551: strcpy(str, t); kamg@551: str += strlen(t) + 1; kamg@551: } kamg@551: } kamg@551: } kamg@551: kamg@551: curstr = 1; kamg@551: for(int prvc = 0; prvc < providers_count; ++prvc) { kamg@551: JVM_DTraceProvider* provider = &providers[prvc]; kamg@551: size_t provider_sec = PROVIDERS + prvc * 4; kamg@551: size_t probe_sec = PROBES + prvc * 4; kamg@551: size_t probeoffs_sec = PROBE_OFFSETS + prvc * 4; kamg@551: size_t argoffs_sec = ARG_OFFSETS + prvc * 4; kamg@551: kamg@551: // PROVIDER /////////////////////////////////////////////////////////////// kamg@551: // Section header kamg@551: sec = (dof_sec_t*) kamg@551: (dof + sizeof(dof_hdr_t) + sizeof(dof_sec_t) * provider_sec); kamg@551: sec->dofs_type = DOF_SECT_PROVIDER; kamg@551: sec->dofs_align = alignment_for[PROVIDERS]; kamg@551: sec->dofs_flags = DOF_SECF_LOAD; kamg@551: sec->dofs_entsize = 0; kamg@551: sec->dofs_offset = secoffs[provider_sec]; kamg@551: sec->dofs_size = secsize[provider_sec]; kamg@551: // Make provider decriiption kamg@551: dof_provider_t* prv = (dof_provider_t*)(dof + sec->dofs_offset); kamg@551: prv->dofpv_strtab = STRTAB; kamg@551: prv->dofpv_probes = probe_sec; kamg@551: prv->dofpv_prargs = argoffs_sec; kamg@551: prv->dofpv_proffs = probeoffs_sec; kamg@551: prv->dofpv_name = stroffs[curstr++]; // Index in string table kamg@551: prv->dofpv_provattr = DOF_ATTR( kamg@551: provider->providerAttributes.nameStability, kamg@551: provider->providerAttributes.dataStability, kamg@551: provider->providerAttributes.dependencyClass); kamg@551: prv->dofpv_modattr = DOF_ATTR( kamg@551: provider->moduleAttributes.nameStability, kamg@551: provider->moduleAttributes.dataStability, kamg@551: provider->moduleAttributes.dependencyClass); kamg@551: prv->dofpv_funcattr = DOF_ATTR( kamg@551: provider->functionAttributes.nameStability, kamg@551: provider->functionAttributes.dataStability, kamg@551: provider->functionAttributes.dependencyClass); kamg@551: prv->dofpv_nameattr = DOF_ATTR( kamg@551: provider->nameAttributes.nameStability, kamg@551: provider->nameAttributes.dataStability, kamg@551: provider->nameAttributes.dependencyClass); kamg@551: prv->dofpv_argsattr = DOF_ATTR( kamg@551: provider->argsAttributes.nameStability, kamg@551: provider->argsAttributes.dataStability, kamg@551: provider->argsAttributes.dependencyClass); kamg@551: kamg@551: // PROBES ///////////////////////////////////////////////////////////////// kamg@551: // Section header kamg@551: sec = (dof_sec_t*) kamg@551: (dof + sizeof(dof_hdr_t) + sizeof(dof_sec_t) * probe_sec); kamg@551: sec->dofs_type = DOF_SECT_PROBES; kamg@551: sec->dofs_align = alignment_for[PROBES]; kamg@551: sec->dofs_flags = DOF_SECF_LOAD; kamg@551: sec->dofs_entsize = sizeof(dof_probe_t); kamg@551: sec->dofs_offset = secoffs[probe_sec]; kamg@551: sec->dofs_size = secsize[probe_sec]; kamg@551: // Make probes descriptions kamg@551: uint32_t argsoffs = 0; kamg@551: for(int prbc = 0; prbc < provider->probe_count; ++prbc) { kamg@551: JVM_DTraceProbe* probe = &(provider->probes[prbc]); coleenp@4037: Method* m = Method::resolve_jmethod_id(probe->method); kamg@551: int arg_count = ArgumentCount(m->signature()).size(); kamg@551: assert(m->code() != NULL, "must have an nmethod"); kamg@551: kamg@551: dof_probe_t* prb = kamg@551: (dof_probe_t*)(dof + sec->dofs_offset + prbc * sizeof(dof_probe_t)); kamg@551: kamg@551: prb->dofpr_addr = (uint64_t)m->code()->entry_point(); kamg@551: prb->dofpr_func = stroffs[curstr++]; // Index in string table kamg@551: prb->dofpr_name = stroffs[curstr++]; // Index in string table kamg@551: prb->dofpr_nargv = stroffs[curstr ]; // Index in string table kamg@551: // We spent siglen strings here kamg@551: curstr += arg_count; kamg@551: prb->dofpr_xargv = prb->dofpr_nargv; // Same bunch of strings kamg@551: prb->dofpr_argidx = argsoffs; kamg@551: prb->dofpr_offidx = prbc; kamg@551: prb->dofpr_nargc = arg_count; kamg@551: prb->dofpr_xargc = arg_count; kamg@551: prb->dofpr_noffs = 1; // Number of offsets kamg@551: // Next bunch of offsets kamg@551: argsoffs += arg_count; kamg@551: } kamg@551: kamg@551: // PROFFS ///////////////////////////////////////////////////////////////// kamg@551: // Section header kamg@551: sec = (dof_sec_t*) kamg@551: (dof + sizeof(dof_hdr_t) + sizeof(dof_sec_t) * probeoffs_sec); kamg@551: sec->dofs_type = DOF_SECT_PROFFS; kamg@551: sec->dofs_align = alignment_for[PROBE_OFFSETS]; kamg@551: sec->dofs_flags = DOF_SECF_LOAD; kamg@551: sec->dofs_entsize = sizeof(uint32_t); kamg@551: sec->dofs_offset = secoffs[probeoffs_sec]; kamg@551: sec->dofs_size = secsize[probeoffs_sec]; kamg@551: // Make offsets kamg@551: for (int prbc = 0; prbc < provider->probe_count; ++prbc) { kamg@551: uint32_t* pof = kamg@551: (uint32_t*)(dof + sec->dofs_offset + sizeof(uint32_t) * prbc); kamg@551: JVM_DTraceProbe* probe = &(provider->probes[prbc]); coleenp@4037: Method* m = Method::resolve_jmethod_id(probe->method); kamg@551: *pof = m->code()->trap_offset(); kamg@551: } kamg@551: kamg@551: // PRARGS ///////////////////////////////////////////////////////////////// kamg@551: // Section header kamg@551: sec = (dof_sec_t*) kamg@551: (dof + sizeof(dof_hdr_t) + sizeof(dof_sec_t) * argoffs_sec); kamg@551: sec->dofs_type = DOF_SECT_PRARGS; kamg@551: sec->dofs_align = alignment_for[ARG_OFFSETS]; kamg@551: sec->dofs_flags = DOF_SECF_LOAD; kamg@551: sec->dofs_entsize = sizeof(uint8_t); kamg@551: sec->dofs_offset = secoffs[argoffs_sec]; kamg@551: sec->dofs_size = secsize[argoffs_sec]; kamg@551: // Make arguments kamg@551: uint8_t* par = (uint8_t*)(dof + sec->dofs_offset); kamg@551: for (int prbc = 0; prbc < provider->probe_count; ++prbc) { kamg@551: JVM_DTraceProbe* p = &(provider->probes[prbc]); coleenp@4037: Symbol* sig = Method::resolve_jmethod_id(p->method)->signature(); kamg@551: uint8_t count = (uint8_t)ArgumentCount(sig).size(); kamg@551: for (uint8_t i = 0; i < count; ++i) { kamg@551: *par++ = i; kamg@551: } kamg@551: } kamg@551: } kamg@551: kamg@551: // Register module kamg@551: return dof_register(module, dof, moduleBaseAddress); kamg@551: } kamg@551: kamg@551: kamg@551: void DTraceJSDT::pd_dispose(int handle) { kamg@551: int fd; kamg@551: if (handle == -1) { kamg@551: return; kamg@551: } kamg@551: fd = dofhelper_open(); kamg@551: if (fd < 0) kamg@551: return; kamg@551: ioctl(fd, DTRACEHIOC_REMOVE, handle); kamg@551: close(fd); kamg@551: } kamg@551: kamg@551: jboolean DTraceJSDT::pd_is_supported() { kamg@551: int fd = dofhelper_open(); kamg@551: if (fd < 0) { kamg@551: return false; kamg@551: } kamg@551: close(fd); kamg@551: return true; kamg@551: } kamg@551: kamg@551: static const char* dofSecTypeFor(uint32_t type) { kamg@551: switch (type) { kamg@551: case 0: return "DOF_SECT_NONE"; kamg@551: case 1: return "DOF_SECT_COMMENTS"; kamg@551: case 2: return "DOF_SECT_SOURCE"; kamg@551: case 3: return "DOF_SECT_ECBDESC"; kamg@551: case 4: return "DOF_SECT_PROBEDESC"; kamg@551: case 5: return "DOF_SECT_ACTDESC"; kamg@551: case 6: return "DOF_SECT_DIFOHDR"; kamg@551: case 7: return "DOF_SECT_DIF"; kamg@551: case 8: return "DOF_SECT_STRTAB"; kamg@551: case 9: return "DOF_SECT_VARTAB"; kamg@551: case 10: return "DOF_SECT_RELTAB"; kamg@551: case 11: return "DOF_SECT_TYPETAB"; kamg@551: case 12: return "DOF_SECT_URELHDR"; kamg@551: case 13: return "DOF_SECT_KRELHDR"; kamg@551: case 14: return "DOF_SECT_OPTDESC"; kamg@551: case 15: return "DOF_SECT_PROVIDER"; kamg@551: case 16: return "DOF_SECT_PROBES"; kamg@551: case 17: return "DOF_SECT_PRARGS"; kamg@551: case 18: return "DOF_SECT_PROFFS"; kamg@551: case 19: return "DOF_SECT_INTTAB"; kamg@551: case 20: return "DOF_SECT_UTSNAME"; kamg@551: case 21: return "DOF_SECT_XLTAB"; kamg@551: case 22: return "DOF_SECT_XLMEMBERS"; kamg@551: case 23: return "DOF_SECT_XLIMPORT"; kamg@551: case 24: return "DOF_SECT_XLEXPORT"; kamg@551: case 25: return "DOF_SECT_PREXPORT"; kamg@551: case 26: return "DOF_SECT_PRENOFFS"; kamg@551: default: return ""; kamg@551: } kamg@551: } kamg@551: kamg@551: static void printDOFStringTabSec(void* dof, dof_sec_t* sec) { kamg@551: size_t tab = sec->dofs_offset; kamg@551: size_t limit = sec->dofs_size; kamg@551: tty->print_cr("// String Table:"); kamg@551: for (size_t idx = 0; idx < limit; /*empty*/) { kamg@551: char* str = ((char*)dof) + tab + idx; kamg@551: tty->print_cr("// [0x%x + 0x%x] '%s'", tab, idx, str); kamg@551: idx += strlen(str) + 1; kamg@551: } kamg@551: } kamg@551: kamg@551: static void printDOFProviderSec(void* dof, dof_sec_t* sec) { kamg@551: dof_provider_t* prov = (dof_provider_t*)((char*)dof + sec->dofs_offset); kamg@551: tty->print_cr("// dof_provider_t {"); kamg@551: tty->print_cr("// dofpv_strtab = %d", prov->dofpv_strtab); kamg@551: tty->print_cr("// dofpv_probes = %d", prov->dofpv_probes); kamg@551: tty->print_cr("// dofpv_prargs = %d", prov->dofpv_prargs); kamg@551: tty->print_cr("// dofpv_proffs = %d", prov->dofpv_proffs); kamg@551: tty->print_cr("// dofpv_name = 0x%x", prov->dofpv_name); kamg@551: tty->print_cr("// dofpv_provattr = 0x%08x", prov->dofpv_provattr); kamg@551: tty->print_cr("// dofpv_modattr = 0x%08x", prov->dofpv_modattr); kamg@551: tty->print_cr("// dofpv_funcattr = 0x%08x", prov->dofpv_funcattr); kamg@551: tty->print_cr("// dofpv_nameattr = 0x%08x", prov->dofpv_nameattr); kamg@551: tty->print_cr("// dofpv_argsattr = 0x%08x", prov->dofpv_argsattr); kamg@551: tty->print_cr("// }"); kamg@551: } kamg@551: kamg@551: static void printDOFProbesSec(void* dof, dof_sec_t* sec) { kamg@551: size_t idx = sec->dofs_offset; kamg@551: size_t limit = idx + sec->dofs_size; kamg@551: for (size_t idx = sec->dofs_offset; idx < limit; idx += sec->dofs_entsize) { kamg@551: dof_probe_t* prb = (dof_probe_t*)((char*)dof + idx); kamg@551: tty->print_cr("// dof_probe_t {"); kamg@551: tty->print_cr("// dofpr_addr = 0x%016llx", prb->dofpr_addr); kamg@551: tty->print_cr("// dofpr_func = 0x%x", prb->dofpr_func); kamg@551: tty->print_cr("// dofpr_name = 0x%x", prb->dofpr_name); kamg@551: tty->print_cr("// dofpr_nargv = 0x%x", prb->dofpr_nargv); kamg@551: tty->print_cr("// dofpr_xargv = 0x%x", prb->dofpr_xargv); kamg@551: tty->print_cr("// dofpr_argidx = 0x%x", prb->dofpr_argidx); kamg@551: tty->print_cr("// dofpr_offidx = 0x%x", prb->dofpr_offidx); kamg@551: tty->print_cr("// dofpr_nargc = %d", prb->dofpr_nargc); kamg@551: tty->print_cr("// dofpr_xargc = %d", prb->dofpr_xargc); kamg@551: tty->print_cr("// dofpr_noffs = %d", prb->dofpr_noffs); kamg@551: tty->print_cr("// }"); kamg@551: } kamg@551: } kamg@551: kamg@551: static void printDOFOffsetsSec(void* dof, dof_sec_t* sec) { kamg@551: size_t tab = sec->dofs_offset; kamg@551: size_t limit = sec->dofs_size; kamg@551: tty->print_cr("// Offsets:"); kamg@551: for (size_t idx = 0; idx < limit; idx += sec->dofs_entsize) { kamg@551: uint32_t* off = (uint32_t*)((char*)dof + tab + idx); kamg@551: tty->print_cr("// [0x%x + 0x%x]: %d", tab, idx, *off); kamg@551: } kamg@551: } kamg@551: kamg@551: static void printDOFArgsSec(void* dof, dof_sec_t* sec) { kamg@551: size_t tab = sec->dofs_offset; kamg@551: size_t limit = sec->dofs_size; kamg@551: tty->print_cr("// Arguments:"); kamg@551: for (size_t idx = 0; idx < limit; idx += sec->dofs_entsize) { kamg@551: uint8_t* arg = (uint8_t*)((char*)dof + tab + idx); kamg@551: tty->print_cr("// [0x%x + 0x%x]: %d", tab, idx, *arg); kamg@551: } kamg@551: } kamg@551: kamg@551: static void printDOFSection(void* dof, dof_sec_t* sec) { kamg@551: tty->print_cr("// dof_sec_t {"); kamg@551: tty->print_cr("// dofs_type = 0x%x /* %s */", kamg@551: sec->dofs_type, dofSecTypeFor(sec->dofs_type)); kamg@551: tty->print_cr("// dofs_align = %d", sec->dofs_align); kamg@551: tty->print_cr("// dofs_flags = 0x%x", sec->dofs_flags); kamg@551: tty->print_cr("// dofs_entsize = %d", sec->dofs_entsize); kamg@551: tty->print_cr("// dofs_offset = 0x%llx", sec->dofs_offset); kamg@551: tty->print_cr("// dofs_size = %lld", sec->dofs_size); kamg@551: tty->print_cr("// }"); kamg@551: switch (sec->dofs_type) { kamg@551: case DOF_SECT_STRTAB: printDOFStringTabSec(dof, sec); break; kamg@551: case DOF_SECT_PROVIDER: printDOFProviderSec(dof, sec); break; kamg@551: case DOF_SECT_PROBES: printDOFProbesSec(dof, sec); break; kamg@551: case DOF_SECT_PROFFS: printDOFOffsetsSec(dof, sec); break; kamg@551: case DOF_SECT_PRARGS: printDOFArgsSec(dof, sec); break; kamg@551: default: tty->print_cr("//
"); kamg@551: } kamg@551: } kamg@551: kamg@551: static void printDOFHeader(dof_hdr_t* hdr) { kamg@551: tty->print_cr("// dof_hdr_t {"); kamg@551: tty->print_cr("// dofh_ident[DOF_ID_MAG0] = 0x%x", kamg@551: hdr->dofh_ident[DOF_ID_MAG0]); kamg@551: tty->print_cr("// dofh_ident[DOF_ID_MAG1] = 0x%x", kamg@551: hdr->dofh_ident[DOF_ID_MAG1]); kamg@551: tty->print_cr("// dofh_ident[DOF_ID_MAG2] = 0x%x", kamg@551: hdr->dofh_ident[DOF_ID_MAG2]); kamg@551: tty->print_cr("// dofh_ident[DOF_ID_MAG3] = 0x%x", kamg@551: hdr->dofh_ident[DOF_ID_MAG3]); kamg@551: tty->print_cr("// dofh_ident[DOF_ID_MODEL] = 0x%x", kamg@551: hdr->dofh_ident[DOF_ID_MODEL]); kamg@551: tty->print_cr("// dofh_ident[DOF_ID_ENCODING] = 0x%x", kamg@551: hdr->dofh_ident[DOF_ID_ENCODING]); kamg@551: tty->print_cr("// dofh_ident[DOF_ID_VERSION] = 0x%x", kamg@551: hdr->dofh_ident[DOF_ID_VERSION]); kamg@551: tty->print_cr("// dofh_ident[DOF_ID_DIFVERS] = 0x%x", kamg@551: hdr->dofh_ident[DOF_ID_DIFVERS]); kamg@551: tty->print_cr("// dofh_flags = 0x%x", hdr->dofh_flags); kamg@551: tty->print_cr("// dofh_hdrsize = %d", hdr->dofh_hdrsize); kamg@551: tty->print_cr("// dofh_secsize = %d", hdr->dofh_secsize); kamg@551: tty->print_cr("// dofh_secnum = %d", hdr->dofh_secnum); kamg@551: tty->print_cr("// dofh_secoff = %lld", hdr->dofh_secoff); kamg@551: tty->print_cr("// dofh_loadsz = %lld", hdr->dofh_loadsz); kamg@551: tty->print_cr("// dofh_filesz = %lld", hdr->dofh_filesz); kamg@551: tty->print_cr("// }"); kamg@551: } kamg@551: kamg@551: static void printDOF(void* dof) { kamg@551: dof_hdr_t* hdr = (dof_hdr_t*)dof; kamg@551: printDOFHeader(hdr); kamg@551: for (int i = 0; i < hdr->dofh_secnum; ++i) { kamg@551: dof_sec_t* sec = kamg@551: (dof_sec_t*)((char*)dof + sizeof(dof_hdr_t) + i * sizeof(dof_sec_t)); kamg@551: tty->print_cr("// [Section #%d]", i); kamg@551: printDOFSection(dof, sec); kamg@551: } kamg@551: } kamg@551: kamg@551: static void printDOFHelper(dof_helper_t* helper) { kamg@551: tty->print_cr("// dof_helper_t {"); kamg@551: tty->print_cr("// dofhp_mod = \"%s\"", helper->dofhp_mod); kamg@551: tty->print_cr("// dofhp_addr = 0x%016llx", helper->dofhp_addr); kamg@551: tty->print_cr("// dofhp_dof = 0x%016llx", helper->dofhp_dof); kamg@551: printDOF((void*)helper->dofhp_dof); kamg@551: tty->print_cr("// }"); kamg@3992: size_t len = ((dof_hdr_t*)helper)->dofh_loadsz; kamg@3992: tty->print_data((void*)helper->dofhp_dof, len, true); kamg@551: } kamg@551: kamg@551: #else // ndef HAVE_DTRACE_H kamg@551: kamg@551: // Get here if we're not building on at least Solaris 10 kamg@551: int DTraceJSDT::pd_activate( kamg@551: void* baseAddress, jstring module, kamg@551: jint provider_count, JVM_DTraceProvider* providers) { kamg@551: return -1; kamg@551: } kamg@551: kamg@551: void DTraceJSDT::pd_dispose(int handle) { kamg@551: } kamg@551: kamg@551: jboolean DTraceJSDT::pd_is_supported() { kamg@551: return false; kamg@551: } kamg@551: #endif