aoqi@0: /*
aoqi@0: * Copyright (c) 2002, 2014, Oracle and/or its affiliates. All rights reserved.
aoqi@0: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0: *
aoqi@0: * This code is free software; you can redistribute it and/or modify it
aoqi@0: * under the terms of the GNU General Public License version 2 only, as
aoqi@0: * published by the Free Software Foundation.
aoqi@0: *
aoqi@0: * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0: * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0: * accompanied this code).
aoqi@0: *
aoqi@0: * You should have received a copy of the GNU General Public License version
aoqi@0: * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0: *
aoqi@0: * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0: * or visit www.oracle.com if you need additional information or have any
aoqi@0: * questions.
aoqi@0: *
aoqi@0: */
aoqi@0:
aoqi@0: #include "precompiled.hpp"
aoqi@0: #include "code/nmethod.hpp"
aoqi@0: #include "memory/allocation.hpp"
aoqi@0: #include "memory/allocation.inline.hpp"
aoqi@0: #include "oops/methodData.hpp"
aoqi@0: #include "oops/method.hpp"
aoqi@0: #include "oops/oop.inline.hpp"
aoqi@0: #include "runtime/deoptimization.hpp"
aoqi@0: #include "runtime/vmThread.hpp"
aoqi@0: #include "utilities/xmlstream.hpp"
aoqi@0:
aoqi@0: void xmlStream::initialize(outputStream* out) {
aoqi@0: _out = out;
aoqi@0: _last_flush = 0;
aoqi@0: _markup_state = BODY;
aoqi@0: _text_init._outer_xmlStream = this;
aoqi@0: _text = &_text_init;
aoqi@0:
aoqi@0: #ifdef ASSERT
aoqi@0: _element_depth = 0;
aoqi@0: int init_len = 100;
aoqi@0: char* init_buf = NEW_C_HEAP_ARRAY(char, init_len, mtInternal);
aoqi@0: _element_close_stack_low = init_buf;
aoqi@0: _element_close_stack_high = init_buf + init_len;
aoqi@0: _element_close_stack_ptr = init_buf + init_len - 1;
aoqi@0: _element_close_stack_ptr[0] = '\0';
aoqi@0: #endif
aoqi@0:
aoqi@0: // Make sure each log uses the same base for time stamps.
aoqi@0: if (is_open()) {
aoqi@0: _out->time_stamp().update_to(1);
aoqi@0: }
aoqi@0: }
aoqi@0:
aoqi@0: #ifdef ASSERT
aoqi@0: xmlStream::~xmlStream() {
aoqi@0: FREE_C_HEAP_ARRAY(char, _element_close_stack_low, mtInternal);
aoqi@0: }
aoqi@0: #endif
aoqi@0:
aoqi@0: // Pass the given chars directly to _out.
aoqi@0: void xmlStream::write(const char* s, size_t len) {
aoqi@0: if (!is_open()) return;
aoqi@0:
aoqi@0: out()->write(s, len);
aoqi@0: update_position(s, len);
aoqi@0: }
aoqi@0:
aoqi@0:
aoqi@0: // Pass the given chars directly to _out, except that
aoqi@0: // we watch for special "<&>" chars.
aoqi@0: // This is suitable for either attribute text or for body text.
aoqi@0: // We don't fool with "" chars
aoqi@0: for (size_t i = 0; i < len; i++) {
aoqi@0: char ch = s[i];
aoqi@0: // Escape special chars.
aoqi@0: const char* esc = NULL;
aoqi@0: switch (ch) {
aoqi@0: // These are important only in attrs, but we do them always:
aoqi@0: case '\'': esc = "'"; break;
aoqi@0: case '"': esc = """; break;
aoqi@0: case '<': esc = "<"; break;
aoqi@0: case '&': esc = "&"; break;
aoqi@0: // This is a freebie.
aoqi@0: case '>': esc = ">"; break;
aoqi@0: }
aoqi@0: if (esc != NULL) {
aoqi@0: if (written < i) {
aoqi@0: out()->write(&s[written], i - written);
aoqi@0: written = i;
aoqi@0: }
aoqi@0: out()->print_raw(esc);
aoqi@0: written++;
aoqi@0: }
aoqi@0: }
aoqi@0:
aoqi@0: // Print the clean remainder. Usually, it is all of s.
aoqi@0: if (written < len) {
aoqi@0: out()->write(&s[written], len - written);
aoqi@0: }
aoqi@0: }
aoqi@0:
aoqi@0: // ------------------------------------------------------------------
aoqi@0: // Outputs XML text, with special characters quoted.
aoqi@0: void xmlStream::text(const char* format, ...) {
aoqi@0: va_list ap;
aoqi@0: va_start(ap, format);
aoqi@0: va_text(format, ap);
aoqi@0: va_end(ap);
aoqi@0: }
aoqi@0:
aoqi@0: #define BUFLEN 2*K /* max size of output of individual print methods */
aoqi@0:
aoqi@0: // ------------------------------------------------------------------
aoqi@0: void xmlStream::va_tag(bool push, const char* format, va_list ap) {
aoqi@0: assert_if_no_error(!inside_attrs(), "cannot print tag inside attrs");
aoqi@0: char buffer[BUFLEN];
aoqi@0: size_t len;
aoqi@0: const char* kind = do_vsnprintf(buffer, BUFLEN, format, ap, false, len);
aoqi@0: see_tag(kind, push);
aoqi@0: print_raw("<");
aoqi@0: write(kind, len);
aoqi@0: _markup_state = (push ? HEAD : ELEM);
aoqi@0: }
aoqi@0:
aoqi@0: #ifdef ASSERT
aoqi@0: /// Debugging goo to make sure element tags nest properly.
aoqi@0:
aoqi@0: // ------------------------------------------------------------------
aoqi@0: void xmlStream::see_tag(const char* tag, bool push) {
aoqi@0: assert_if_no_error(!inside_attrs(), "cannot start new element inside attrs");
aoqi@0: if (!push) return;
aoqi@0:
aoqi@0: // tag goes up until either null or space:
aoqi@0: const char* tag_end = strchr(tag, ' ');
aoqi@0: size_t tag_len = (tag_end == NULL) ? strlen(tag) : tag_end - tag;
aoqi@0: assert(tag_len > 0, "tag must not be empty");
aoqi@0: // push the tag onto the stack, pulling down the pointer
aoqi@0: char* old_ptr = _element_close_stack_ptr;
aoqi@0: char* old_low = _element_close_stack_low;
aoqi@0: char* push_ptr = old_ptr - (tag_len+1);
aoqi@0: if (push_ptr < old_low) {
aoqi@0: int old_len = _element_close_stack_high - old_ptr;
aoqi@0: int new_len = old_len * 2;
aoqi@0: if (new_len < 100) new_len = 100;
aoqi@0: char* new_low = NEW_C_HEAP_ARRAY(char, new_len, mtInternal);
aoqi@0: char* new_high = new_low + new_len;
aoqi@0: char* new_ptr = new_high - old_len;
aoqi@0: memcpy(new_ptr, old_ptr, old_len);
aoqi@0: _element_close_stack_high = new_high;
aoqi@0: _element_close_stack_low = new_low;
aoqi@0: _element_close_stack_ptr = new_ptr;
aoqi@0: FREE_C_HEAP_ARRAY(char, old_low, mtInternal);
aoqi@0: push_ptr = new_ptr - (tag_len+1);
aoqi@0: }
aoqi@0: assert(push_ptr >= _element_close_stack_low, "in range");
aoqi@0: memcpy(push_ptr, tag, tag_len);
aoqi@0: push_ptr[tag_len] = 0;
aoqi@0: _element_close_stack_ptr = push_ptr;
aoqi@0: _element_depth += 1;
aoqi@0: }
aoqi@0:
aoqi@0: // ------------------------------------------------------------------
aoqi@0: void xmlStream::pop_tag(const char* tag) {
aoqi@0: assert_if_no_error(!inside_attrs(), "cannot close element inside attrs");
aoqi@0: assert(_element_depth > 0, "must be in an element to close");
aoqi@0: assert(*tag != 0, "tag must not be empty");
aoqi@0: char* cur_tag = _element_close_stack_ptr;
aoqi@0: bool bad_tag = false;
aoqi@0: while (*cur_tag != 0 && strcmp(cur_tag, tag) != 0) {
aoqi@0: this->print_cr("%s> ", cur_tag);
aoqi@0: _element_close_stack_ptr = (cur_tag += strlen(cur_tag) + 1);
aoqi@0: _element_depth -= 1;
aoqi@0: bad_tag = true;
aoqi@0: }
aoqi@0: if (*cur_tag == 0) {
aoqi@0: bad_tag = true;
aoqi@0: } else {
aoqi@0: // Pop the stack, by skipping over the tag and its null.
aoqi@0: _element_close_stack_ptr = cur_tag + strlen(cur_tag) + 1;
aoqi@0: _element_depth -= 1;
aoqi@0: }
aoqi@0: if (bad_tag && !VMThread::should_terminate() && !VM_Exit::vm_exited() &&
aoqi@0: !is_error_reported())
aoqi@0: {
aoqi@0: assert(false, "bad tag in log");
aoqi@0: }
aoqi@0: }
aoqi@0: #endif
aoqi@0:
aoqi@0:
aoqi@0: // ------------------------------------------------------------------
aoqi@0: // First word in formatted string is element kind, and any subsequent
aoqi@0: // words must be XML attributes. Outputs "".
aoqi@0: void xmlStream::elem(const char* format, ...) {
aoqi@0: va_list ap;
aoqi@0: va_start(ap, format);
aoqi@0: va_elem(format, ap);
aoqi@0: va_end(ap);
aoqi@0: }
aoqi@0:
aoqi@0: // ------------------------------------------------------------------
aoqi@0: void xmlStream::va_elem(const char* format, va_list ap) {
aoqi@0: va_begin_elem(format, ap);
aoqi@0: end_elem();
aoqi@0: }
aoqi@0:
aoqi@0:
aoqi@0: // ------------------------------------------------------------------
aoqi@0: // First word in formatted string is element kind, and any subsequent
aoqi@0: // words must be XML attributes. Outputs "".
aoqi@0: void xmlStream::begin_elem(const char* format, ...) {
aoqi@0: va_list ap;
aoqi@0: va_start(ap, format);
aoqi@0: va_tag(false, format, ap);
aoqi@0: va_end(ap);
aoqi@0: }
aoqi@0:
aoqi@0: // ------------------------------------------------------------------
aoqi@0: void xmlStream::va_begin_elem(const char* format, va_list ap) {
aoqi@0: va_tag(false, format, ap);
aoqi@0: }
aoqi@0:
aoqi@0: // ------------------------------------------------------------------
aoqi@0: // Outputs "/>".
aoqi@0: void xmlStream::end_elem() {
aoqi@0: assert(_markup_state == ELEM, "misplaced end_elem");
aoqi@0: print_raw("/>\n");
aoqi@0: _markup_state = BODY;
aoqi@0: }
aoqi@0:
aoqi@0: // ------------------------------------------------------------------
aoqi@0: // Outputs formatted text, followed by "/>".
aoqi@0: void xmlStream::end_elem(const char* format, ...) {
aoqi@0: va_list ap;
aoqi@0: va_start(ap, format);
aoqi@0: out()->vprint(format, ap);
aoqi@0: va_end(ap);
aoqi@0: end_elem();
aoqi@0: }
aoqi@0:
aoqi@0:
aoqi@0: // ------------------------------------------------------------------
aoqi@0: // First word in formatted string is element kind, and any subsequent
aoqi@0: // words must be XML attributes. Outputs "".
aoqi@0: void xmlStream::head(const char* format, ...) {
aoqi@0: va_list ap;
aoqi@0: va_start(ap, format);
aoqi@0: va_head(format, ap);
aoqi@0: va_end(ap);
aoqi@0: }
aoqi@0:
aoqi@0: // ------------------------------------------------------------------
aoqi@0: void xmlStream::va_head(const char* format, va_list ap) {
aoqi@0: va_begin_head(format, ap);
aoqi@0: end_head();
aoqi@0: }
aoqi@0:
aoqi@0: // ------------------------------------------------------------------
aoqi@0: // First word in formatted string is element kind, and any subsequent
aoqi@0: // words must be XML attributes. Outputs "".
aoqi@0: void xmlStream::begin_head(const char* format, ...) {
aoqi@0: va_list ap;
aoqi@0: va_start(ap, format);
aoqi@0: va_tag(true, format, ap);
aoqi@0: va_end(ap);
aoqi@0: }
aoqi@0:
aoqi@0: // ------------------------------------------------------------------
aoqi@0: void xmlStream::va_begin_head(const char* format, va_list ap) {
aoqi@0: va_tag(true, format, ap);
aoqi@0: }
aoqi@0:
aoqi@0: // ------------------------------------------------------------------
aoqi@0: // Outputs ">".
aoqi@0: void xmlStream::end_head() {
aoqi@0: assert(_markup_state == HEAD, "misplaced end_head");
aoqi@0: print_raw(">\n");
aoqi@0: _markup_state = BODY;
aoqi@0: }
aoqi@0:
aoqi@0:
aoqi@0: // ------------------------------------------------------------------
aoqi@0: // Outputs formatted text, followed by ">".
aoqi@0: void xmlStream::end_head(const char* format, ...) {
aoqi@0: va_list ap;
aoqi@0: va_start(ap, format);
aoqi@0: out()->vprint(format, ap);
aoqi@0: va_end(ap);
aoqi@0: end_head();
aoqi@0: }
aoqi@0:
aoqi@0:
aoqi@0: // ------------------------------------------------------------------
aoqi@0: // Outputs "".
aoqi@0: void xmlStream::tail(const char* kind) {
aoqi@0: pop_tag(kind);
aoqi@0: print_raw("");
aoqi@0: print_raw(kind);
aoqi@0: print_raw(">\n");
aoqi@0: }
aoqi@0:
aoqi@0: // ------------------------------------------------------------------
aoqi@0: // Outputs " ".
aoqi@0: void xmlStream::done(const char* format, ...) {
aoqi@0: va_list ap;
aoqi@0: va_start(ap, format);
aoqi@0: va_done(format, ap);
aoqi@0: va_end(ap);
aoqi@0: }
aoqi@0:
aoqi@0: // ------------------------------------------------------------------
aoqi@0: // Outputs " ".
aoqi@0: // Because done_raw() doesn't need to format strings, it's simpler than
aoqi@0: // done(), and can be called safely by fatal error handler.
aoqi@0: void xmlStream::done_raw(const char* kind) {
aoqi@0: print_raw("<");
aoqi@0: print_raw(kind);
aoqi@0: print_raw("_done stamp='");
aoqi@0: out()->stamp();
aoqi@0: print_raw_cr("'/>");
aoqi@0: print_raw("");
aoqi@0: print_raw(kind);
aoqi@0: print_raw_cr(">");
aoqi@0: }
aoqi@0:
aoqi@0: PRAGMA_DIAG_PUSH
aoqi@0: PRAGMA_FORMAT_NONLITERAL_IGNORED
aoqi@0: // ------------------------------------------------------------------
aoqi@0: void xmlStream::va_done(const char* format, va_list ap) {
aoqi@0: char buffer[200];
aoqi@0: guarantee(strlen(format) + 10 < sizeof(buffer), "bigger format buffer");
aoqi@0: const char* kind = format;
aoqi@0: const char* kind_end = strchr(kind, ' ');
aoqi@0: size_t kind_len = (kind_end != NULL) ? (kind_end - kind) : strlen(kind);
aoqi@0: strncpy(buffer, kind, kind_len);
aoqi@0: strcpy(buffer + kind_len, "_done");
aoqi@0: strcat(buffer, format + kind_len);
aoqi@0: // Output the trailing event with the timestamp.
aoqi@0: va_begin_elem(buffer, ap);
aoqi@0: stamp();
aoqi@0: end_elem();
aoqi@0: // Output the tail-tag of the enclosing element.
aoqi@0: buffer[kind_len] = 0;
aoqi@0: tail(buffer);
aoqi@0: }
aoqi@0: PRAGMA_DIAG_POP
aoqi@0:
aoqi@0: // Output a timestamp attribute.
aoqi@0: void xmlStream::stamp() {
aoqi@0: assert_if_no_error(inside_attrs(), "stamp must be an attribute");
aoqi@0: print_raw(" stamp='");
aoqi@0: out()->stamp();
aoqi@0: print_raw("'");
aoqi@0: }
aoqi@0:
aoqi@0:
aoqi@0: // ------------------------------------------------------------------
aoqi@0: // Output a method attribute, in the form " method='pkg/cls name sig'".
aoqi@0: // This is used only when there is no ciMethod available.
aoqi@0: void xmlStream::method(methodHandle method) {
aoqi@0: assert_if_no_error(inside_attrs(), "printing attributes");
aoqi@0: if (method.is_null()) return;
aoqi@0: print_raw(" method='");
aoqi@0: method_text(method);
aoqi@0: print("' bytes='%d'", method->code_size());
aoqi@0: print(" count='%d'", method->invocation_count());
aoqi@0: int bec = method->backedge_count();
aoqi@0: if (bec != 0) print(" backedge_count='%d'", bec);
aoqi@0: print(" iicount='%d'", method->interpreter_invocation_count());
aoqi@0: int throwouts = method->interpreter_throwout_count();
aoqi@0: if (throwouts != 0) print(" throwouts='%d'", throwouts);
aoqi@0: MethodData* mdo = method->method_data();
aoqi@0: if (mdo != NULL) {
aoqi@0: uint cnt;
aoqi@0: cnt = mdo->decompile_count();
aoqi@0: if (cnt != 0) print(" decompiles='%d'", cnt);
aoqi@0: for (uint reason = 0; reason < mdo->trap_reason_limit(); reason++) {
aoqi@0: cnt = mdo->trap_count(reason);
aoqi@0: if (cnt != 0) print(" %s_traps='%d'", Deoptimization::trap_reason_name(reason), cnt);
aoqi@0: }
aoqi@0: cnt = mdo->overflow_trap_count();
aoqi@0: if (cnt != 0) print(" overflow_traps='%d'", cnt);
aoqi@0: cnt = mdo->overflow_recompile_count();
aoqi@0: if (cnt != 0) print(" overflow_recompiles='%d'", cnt);
aoqi@0: }
aoqi@0: }
aoqi@0:
aoqi@0: void xmlStream::method_text(methodHandle method) {
aoqi@0: assert_if_no_error(inside_attrs(), "printing attributes");
aoqi@0: if (method.is_null()) return;
aoqi@0: //method->print_short_name(text());
aoqi@0: method->method_holder()->name()->print_symbol_on(text());
aoqi@0: print_raw(" "); // " " is easier for tools to parse than "::"
aoqi@0: method->name()->print_symbol_on(text());
aoqi@0: print_raw(" "); // separator
aoqi@0: method->signature()->print_symbol_on(text());
aoqi@0: }
aoqi@0:
aoqi@0:
aoqi@0: // ------------------------------------------------------------------
aoqi@0: // Output a klass attribute, in the form " klass='pkg/cls'".
aoqi@0: // This is used only when there is no ciKlass available.
aoqi@0: void xmlStream::klass(KlassHandle klass) {
aoqi@0: assert_if_no_error(inside_attrs(), "printing attributes");
aoqi@0: if (klass.is_null()) return;
aoqi@0: print_raw(" klass='");
aoqi@0: klass_text(klass);
aoqi@0: print_raw("'");
aoqi@0: }
aoqi@0:
aoqi@0: void xmlStream::klass_text(KlassHandle klass) {
aoqi@0: assert_if_no_error(inside_attrs(), "printing attributes");
aoqi@0: if (klass.is_null()) return;
aoqi@0: //klass->print_short_name(log->out());
aoqi@0: klass->name()->print_symbol_on(out());
aoqi@0: }
aoqi@0:
aoqi@0: void xmlStream::name(const Symbol* name) {
aoqi@0: assert_if_no_error(inside_attrs(), "printing attributes");
aoqi@0: if (name == NULL) return;
aoqi@0: print_raw(" name='");
aoqi@0: name_text(name);
aoqi@0: print_raw("'");
aoqi@0: }
aoqi@0:
aoqi@0: void xmlStream::name_text(const Symbol* name) {
aoqi@0: assert_if_no_error(inside_attrs(), "printing attributes");
aoqi@0: if (name == NULL) return;
aoqi@0: //name->print_short_name(text());
aoqi@0: name->print_symbol_on(text());
aoqi@0: }
aoqi@0:
aoqi@0: void xmlStream::object(const char* attr, Handle x) {
aoqi@0: assert_if_no_error(inside_attrs(), "printing attributes");
aoqi@0: if (x == NULL) return;
aoqi@0: print_raw(" ");
aoqi@0: print_raw(attr);
aoqi@0: print_raw("='");
aoqi@0: object_text(x);
aoqi@0: print_raw("'");
aoqi@0: }
aoqi@0:
aoqi@0: void xmlStream::object_text(Handle x) {
aoqi@0: assert_if_no_error(inside_attrs(), "printing attributes");
aoqi@0: if (x == NULL) return;
aoqi@0: x->print_value_on(text());
aoqi@0: }
aoqi@0:
aoqi@0:
aoqi@0: void xmlStream::object(const char* attr, Metadata* x) {
aoqi@0: assert_if_no_error(inside_attrs(), "printing attributes");
aoqi@0: if (x == NULL) return;
aoqi@0: print_raw(" ");
aoqi@0: print_raw(attr);
aoqi@0: print_raw("='");
aoqi@0: object_text(x);
aoqi@0: print_raw("'");
aoqi@0: }
aoqi@0:
aoqi@0: void xmlStream::object_text(Metadata* x) {
aoqi@0: assert_if_no_error(inside_attrs(), "printing attributes");
aoqi@0: if (x == NULL) return;
aoqi@0: //x->print_value_on(text());
aoqi@0: if (x->is_method())
aoqi@0: method_text((Method*)x);
aoqi@0: else if (x->is_klass())
aoqi@0: klass_text((Klass*)x);
aoqi@0: else
aoqi@0: ShouldNotReachHere(); // Add impl if this is reached.
aoqi@0: }
aoqi@0:
aoqi@0:
aoqi@0: void xmlStream::flush() {
aoqi@0: out()->flush();
aoqi@0: _last_flush = count();
aoqi@0: }
aoqi@0:
aoqi@0: void xmlTextStream::flush() {
aoqi@0: if (_outer_xmlStream == NULL) return;
aoqi@0: _outer_xmlStream->flush();
aoqi@0: }
aoqi@0:
aoqi@0: void xmlTextStream::write(const char* str, size_t len) {
aoqi@0: if (_outer_xmlStream == NULL) return;
aoqi@0: _outer_xmlStream->write_text(str, len);
aoqi@0: update_position(str, len);
aoqi@0: }