330 lines
13 KiB
C
330 lines
13 KiB
C
/*
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* Copyright (c) 2003, 2008, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/* Error message and general message handling functions. */
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/* NOTE: We assume that most strings passed around this library are
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* UTF-8 (modified or standard) and not platform encoding.
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* Before sending any strings to the "system" (e.g. OS system
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* calls, or system input/output functions like fprintf) we need
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* to make sure that the strings are transformed from UTF-8 to
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* the platform encoding accepted by the system.
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* UTF-8 and most encodings have simple ASCII or ISO-Latin
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* characters as a subset, so in most cases the strings really
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* don't need to be converted, but we don't know that easily.
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* Parts of messages can be non-ASCII in some cases, so they may
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* include classnames, methodnames, signatures, or other pieces
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* that could contain non-ASCII characters, either from JNI or
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* JVMTI (which both return modified UTF-8 strings).
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* (It's possible that the platform encoding IS UTF-8, but we
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* assume not, just to be safe).
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*
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*/
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#include <stdarg.h>
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#include <errno.h>
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#include "util.h"
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#include "proc_md.h"
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/* Maximim length of a message */
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#define MAX_MESSAGE_LEN MAXPATHLEN*2+512
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/* Print message in platform encoding (assume all input is UTF-8 safe)
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* NOTE: This function is at the lowest level of the call tree.
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* Do not use the ERROR* macros here.
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*/
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static void
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vprint_message(FILE *fp, const char *prefix, const char *suffix,
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const char *format, va_list ap)
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{
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jbyte utf8buf[MAX_MESSAGE_LEN+1];
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int len;
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char pbuf[MAX_MESSAGE_LEN+1];
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/* Fill buffer with single UTF-8 string */
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(void)vsnprintf((char*)utf8buf, MAX_MESSAGE_LEN, format, ap);
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utf8buf[MAX_MESSAGE_LEN] = 0;
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len = (int)strlen((char*)utf8buf);
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/* Convert to platform encoding (ignore errors, dangerous area) */
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(void)(gdata->npt->utf8ToPlatform)(gdata->npt->utf,
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utf8buf, len, pbuf, MAX_MESSAGE_LEN);
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(void)fprintf(fp, "%s%s%s", prefix, pbuf, suffix);
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}
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/* Print message in platform encoding (assume all input is UTF-8 safe)
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* NOTE: This function is at the lowest level of the call tree.
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* Do not use the ERROR* macros here.
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*/
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void
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print_message(FILE *fp, const char *prefix, const char *suffix,
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const char *format, ...)
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{
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va_list ap;
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va_start(ap, format);
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vprint_message(fp, prefix, suffix, format, ap);
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va_end(ap);
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}
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/* Generate error message */
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void
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error_message(const char *format, ...)
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{
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va_list ap;
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va_start(ap, format);
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vprint_message(stderr, "ERROR: ", "\n", format, ap);
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va_end(ap);
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if ( gdata->doerrorexit ) {
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EXIT_ERROR(AGENT_ERROR_INTERNAL,"Requested errorexit=y exit()");
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}
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}
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/* Print plain message to stdout. */
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void
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tty_message(const char *format, ...)
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{
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va_list ap;
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va_start(ap, format);
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vprint_message(stdout, "", "\n", format, ap);
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va_end(ap);
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(void)fflush(stdout);
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}
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/* Print assertion error message to stderr. */
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void
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jdiAssertionFailed(char *fileName, int lineNumber, char *msg)
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{
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LOG_MISC(("ASSERT FAILED: %s : %d - %s\n", fileName, lineNumber, msg));
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print_message(stderr, "ASSERT FAILED: ", "\n",
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"%s : %d - %s", fileName, lineNumber, msg);
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if (gdata && gdata->assertFatal) {
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EXIT_ERROR(AGENT_ERROR_INTERNAL,"Assertion Failed");
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}
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}
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/* Macro for case on switch, returns string for name. */
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#define CASE_RETURN_TEXT(name) case name: return #name;
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/* Mapping of JVMTI errors to their name */
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const char *
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jvmtiErrorText(jvmtiError error)
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{
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switch (error) {
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CASE_RETURN_TEXT(JVMTI_ERROR_NONE)
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CASE_RETURN_TEXT(JVMTI_ERROR_INVALID_THREAD)
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CASE_RETURN_TEXT(JVMTI_ERROR_INVALID_THREAD_GROUP)
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CASE_RETURN_TEXT(JVMTI_ERROR_INVALID_PRIORITY)
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CASE_RETURN_TEXT(JVMTI_ERROR_THREAD_NOT_SUSPENDED)
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CASE_RETURN_TEXT(JVMTI_ERROR_THREAD_SUSPENDED)
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CASE_RETURN_TEXT(JVMTI_ERROR_THREAD_NOT_ALIVE)
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CASE_RETURN_TEXT(JVMTI_ERROR_INVALID_OBJECT)
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CASE_RETURN_TEXT(JVMTI_ERROR_INVALID_CLASS)
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CASE_RETURN_TEXT(JVMTI_ERROR_CLASS_NOT_PREPARED)
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CASE_RETURN_TEXT(JVMTI_ERROR_INVALID_METHODID)
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CASE_RETURN_TEXT(JVMTI_ERROR_INVALID_LOCATION)
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CASE_RETURN_TEXT(JVMTI_ERROR_INVALID_FIELDID)
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CASE_RETURN_TEXT(JVMTI_ERROR_NO_MORE_FRAMES)
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CASE_RETURN_TEXT(JVMTI_ERROR_OPAQUE_FRAME)
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CASE_RETURN_TEXT(JVMTI_ERROR_TYPE_MISMATCH)
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CASE_RETURN_TEXT(JVMTI_ERROR_INVALID_SLOT)
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CASE_RETURN_TEXT(JVMTI_ERROR_DUPLICATE)
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CASE_RETURN_TEXT(JVMTI_ERROR_NOT_FOUND)
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CASE_RETURN_TEXT(JVMTI_ERROR_INVALID_MONITOR)
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CASE_RETURN_TEXT(JVMTI_ERROR_NOT_MONITOR_OWNER)
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CASE_RETURN_TEXT(JVMTI_ERROR_INTERRUPT)
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CASE_RETURN_TEXT(JVMTI_ERROR_INVALID_CLASS_FORMAT)
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CASE_RETURN_TEXT(JVMTI_ERROR_CIRCULAR_CLASS_DEFINITION)
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CASE_RETURN_TEXT(JVMTI_ERROR_FAILS_VERIFICATION)
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CASE_RETURN_TEXT(JVMTI_ERROR_UNSUPPORTED_REDEFINITION_METHOD_ADDED)
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CASE_RETURN_TEXT(JVMTI_ERROR_UNSUPPORTED_REDEFINITION_SCHEMA_CHANGED)
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CASE_RETURN_TEXT(JVMTI_ERROR_INVALID_TYPESTATE)
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CASE_RETURN_TEXT(JVMTI_ERROR_UNSUPPORTED_REDEFINITION_HIERARCHY_CHANGED)
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CASE_RETURN_TEXT(JVMTI_ERROR_UNSUPPORTED_REDEFINITION_METHOD_DELETED)
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CASE_RETURN_TEXT(JVMTI_ERROR_UNSUPPORTED_VERSION)
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CASE_RETURN_TEXT(JVMTI_ERROR_NAMES_DONT_MATCH)
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CASE_RETURN_TEXT(JVMTI_ERROR_UNSUPPORTED_REDEFINITION_CLASS_MODIFIERS_CHANGED)
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CASE_RETURN_TEXT(JVMTI_ERROR_UNSUPPORTED_REDEFINITION_METHOD_MODIFIERS_CHANGED)
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CASE_RETURN_TEXT(JVMTI_ERROR_NOT_AVAILABLE)
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CASE_RETURN_TEXT(JVMTI_ERROR_MUST_POSSESS_CAPABILITY)
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CASE_RETURN_TEXT(JVMTI_ERROR_NULL_POINTER)
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CASE_RETURN_TEXT(JVMTI_ERROR_ABSENT_INFORMATION)
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CASE_RETURN_TEXT(JVMTI_ERROR_INVALID_EVENT_TYPE)
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CASE_RETURN_TEXT(JVMTI_ERROR_ILLEGAL_ARGUMENT)
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CASE_RETURN_TEXT(JVMTI_ERROR_OUT_OF_MEMORY)
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CASE_RETURN_TEXT(JVMTI_ERROR_ACCESS_DENIED)
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CASE_RETURN_TEXT(JVMTI_ERROR_WRONG_PHASE)
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CASE_RETURN_TEXT(JVMTI_ERROR_INTERNAL)
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CASE_RETURN_TEXT(JVMTI_ERROR_UNATTACHED_THREAD)
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CASE_RETURN_TEXT(JVMTI_ERROR_INVALID_ENVIRONMENT)
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CASE_RETURN_TEXT(AGENT_ERROR_INTERNAL)
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CASE_RETURN_TEXT(AGENT_ERROR_VM_DEAD)
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CASE_RETURN_TEXT(AGENT_ERROR_NO_JNI_ENV)
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CASE_RETURN_TEXT(AGENT_ERROR_JNI_EXCEPTION)
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CASE_RETURN_TEXT(AGENT_ERROR_JVMTI_INTERNAL)
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CASE_RETURN_TEXT(AGENT_ERROR_JDWP_INTERNAL)
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CASE_RETURN_TEXT(AGENT_ERROR_NOT_CURRENT_FRAME)
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CASE_RETURN_TEXT(AGENT_ERROR_OUT_OF_MEMORY)
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CASE_RETURN_TEXT(AGENT_ERROR_INVALID_TAG)
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CASE_RETURN_TEXT(AGENT_ERROR_ALREADY_INVOKING)
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CASE_RETURN_TEXT(AGENT_ERROR_INVALID_INDEX)
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CASE_RETURN_TEXT(AGENT_ERROR_INVALID_LENGTH)
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CASE_RETURN_TEXT(AGENT_ERROR_INVALID_STRING)
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CASE_RETURN_TEXT(AGENT_ERROR_INVALID_CLASS_LOADER)
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CASE_RETURN_TEXT(AGENT_ERROR_INVALID_ARRAY)
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CASE_RETURN_TEXT(AGENT_ERROR_TRANSPORT_LOAD)
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CASE_RETURN_TEXT(AGENT_ERROR_TRANSPORT_INIT)
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CASE_RETURN_TEXT(AGENT_ERROR_NATIVE_METHOD)
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CASE_RETURN_TEXT(AGENT_ERROR_INVALID_COUNT)
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CASE_RETURN_TEXT(AGENT_ERROR_INVALID_FRAMEID)
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CASE_RETURN_TEXT(AGENT_ERROR_NULL_POINTER)
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CASE_RETURN_TEXT(AGENT_ERROR_ILLEGAL_ARGUMENT)
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CASE_RETURN_TEXT(AGENT_ERROR_INVALID_THREAD)
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CASE_RETURN_TEXT(AGENT_ERROR_INVALID_EVENT_TYPE)
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CASE_RETURN_TEXT(AGENT_ERROR_INVALID_OBJECT)
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CASE_RETURN_TEXT(AGENT_ERROR_NO_MORE_FRAMES)
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default: return "ERROR_unknown";
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}
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}
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const char *
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eventText(int i)
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{
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switch ( i ) {
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CASE_RETURN_TEXT(EI_SINGLE_STEP)
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CASE_RETURN_TEXT(EI_BREAKPOINT)
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CASE_RETURN_TEXT(EI_FRAME_POP)
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CASE_RETURN_TEXT(EI_EXCEPTION)
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CASE_RETURN_TEXT(EI_THREAD_START)
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CASE_RETURN_TEXT(EI_THREAD_END)
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CASE_RETURN_TEXT(EI_CLASS_PREPARE)
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CASE_RETURN_TEXT(EI_CLASS_LOAD)
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CASE_RETURN_TEXT(EI_FIELD_ACCESS)
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CASE_RETURN_TEXT(EI_FIELD_MODIFICATION)
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CASE_RETURN_TEXT(EI_EXCEPTION_CATCH)
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CASE_RETURN_TEXT(EI_METHOD_ENTRY)
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CASE_RETURN_TEXT(EI_METHOD_EXIT)
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CASE_RETURN_TEXT(EI_VM_INIT)
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CASE_RETURN_TEXT(EI_VM_DEATH)
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CASE_RETURN_TEXT(EI_GC_FINISH)
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default: return "EVENT_unknown";
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}
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}
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/* Macro for case on switch, returns string for name. */
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#define CASE_RETURN_JDWP_ERROR_TEXT(name) case JDWP_ERROR(name): return #name;
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const char *
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jdwpErrorText(jdwpError serror)
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{
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switch ( serror ) {
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CASE_RETURN_JDWP_ERROR_TEXT(NONE)
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CASE_RETURN_JDWP_ERROR_TEXT(INVALID_THREAD)
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CASE_RETURN_JDWP_ERROR_TEXT(INVALID_THREAD_GROUP)
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CASE_RETURN_JDWP_ERROR_TEXT(INVALID_PRIORITY)
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CASE_RETURN_JDWP_ERROR_TEXT(THREAD_NOT_SUSPENDED)
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CASE_RETURN_JDWP_ERROR_TEXT(THREAD_SUSPENDED)
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CASE_RETURN_JDWP_ERROR_TEXT(INVALID_OBJECT)
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CASE_RETURN_JDWP_ERROR_TEXT(INVALID_CLASS)
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CASE_RETURN_JDWP_ERROR_TEXT(CLASS_NOT_PREPARED)
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CASE_RETURN_JDWP_ERROR_TEXT(INVALID_METHODID)
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CASE_RETURN_JDWP_ERROR_TEXT(INVALID_LOCATION)
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CASE_RETURN_JDWP_ERROR_TEXT(INVALID_FIELDID)
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CASE_RETURN_JDWP_ERROR_TEXT(INVALID_FRAMEID)
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CASE_RETURN_JDWP_ERROR_TEXT(NO_MORE_FRAMES)
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CASE_RETURN_JDWP_ERROR_TEXT(OPAQUE_FRAME)
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CASE_RETURN_JDWP_ERROR_TEXT(NOT_CURRENT_FRAME)
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CASE_RETURN_JDWP_ERROR_TEXT(TYPE_MISMATCH)
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CASE_RETURN_JDWP_ERROR_TEXT(INVALID_SLOT)
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CASE_RETURN_JDWP_ERROR_TEXT(DUPLICATE)
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CASE_RETURN_JDWP_ERROR_TEXT(NOT_FOUND)
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CASE_RETURN_JDWP_ERROR_TEXT(INVALID_MONITOR)
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CASE_RETURN_JDWP_ERROR_TEXT(NOT_MONITOR_OWNER)
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CASE_RETURN_JDWP_ERROR_TEXT(INTERRUPT)
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CASE_RETURN_JDWP_ERROR_TEXT(INVALID_CLASS_FORMAT)
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CASE_RETURN_JDWP_ERROR_TEXT(CIRCULAR_CLASS_DEFINITION)
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CASE_RETURN_JDWP_ERROR_TEXT(FAILS_VERIFICATION)
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CASE_RETURN_JDWP_ERROR_TEXT(ADD_METHOD_NOT_IMPLEMENTED)
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CASE_RETURN_JDWP_ERROR_TEXT(SCHEMA_CHANGE_NOT_IMPLEMENTED)
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CASE_RETURN_JDWP_ERROR_TEXT(INVALID_TYPESTATE)
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CASE_RETURN_JDWP_ERROR_TEXT(HIERARCHY_CHANGE_NOT_IMPLEMENTED)
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CASE_RETURN_JDWP_ERROR_TEXT(DELETE_METHOD_NOT_IMPLEMENTED)
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CASE_RETURN_JDWP_ERROR_TEXT(UNSUPPORTED_VERSION)
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CASE_RETURN_JDWP_ERROR_TEXT(NAMES_DONT_MATCH)
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CASE_RETURN_JDWP_ERROR_TEXT(CLASS_MODIFIERS_CHANGE_NOT_IMPLEMENTED)
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CASE_RETURN_JDWP_ERROR_TEXT(METHOD_MODIFIERS_CHANGE_NOT_IMPLEMENTED)
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CASE_RETURN_JDWP_ERROR_TEXT(NOT_IMPLEMENTED)
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CASE_RETURN_JDWP_ERROR_TEXT(NULL_POINTER)
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CASE_RETURN_JDWP_ERROR_TEXT(ABSENT_INFORMATION)
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CASE_RETURN_JDWP_ERROR_TEXT(INVALID_EVENT_TYPE)
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CASE_RETURN_JDWP_ERROR_TEXT(ILLEGAL_ARGUMENT)
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CASE_RETURN_JDWP_ERROR_TEXT(OUT_OF_MEMORY)
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CASE_RETURN_JDWP_ERROR_TEXT(ACCESS_DENIED)
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CASE_RETURN_JDWP_ERROR_TEXT(VM_DEAD)
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CASE_RETURN_JDWP_ERROR_TEXT(INTERNAL)
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CASE_RETURN_JDWP_ERROR_TEXT(UNATTACHED_THREAD)
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CASE_RETURN_JDWP_ERROR_TEXT(INVALID_TAG)
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CASE_RETURN_JDWP_ERROR_TEXT(ALREADY_INVOKING)
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CASE_RETURN_JDWP_ERROR_TEXT(INVALID_INDEX)
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CASE_RETURN_JDWP_ERROR_TEXT(INVALID_LENGTH)
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CASE_RETURN_JDWP_ERROR_TEXT(INVALID_STRING)
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CASE_RETURN_JDWP_ERROR_TEXT(INVALID_CLASS_LOADER)
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CASE_RETURN_JDWP_ERROR_TEXT(INVALID_ARRAY)
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CASE_RETURN_JDWP_ERROR_TEXT(TRANSPORT_LOAD)
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CASE_RETURN_JDWP_ERROR_TEXT(TRANSPORT_INIT)
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CASE_RETURN_JDWP_ERROR_TEXT(NATIVE_METHOD)
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CASE_RETURN_JDWP_ERROR_TEXT(INVALID_COUNT)
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default: return "JDWP_ERROR_unknown";
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}
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}
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static int p = 1;
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void
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do_pause(void)
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{
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THREAD_T tid = GET_THREAD_ID();
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PID_T pid = GETPID();
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int timeleft = 600; /* 10 minutes max */
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int interval = 10; /* 10 second message check */
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/*LINTED*/
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tty_message("DEBUGGING: JDWP pause for PID %d, THREAD %d (0x%x)",
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/*LINTED*/
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(int)(intptr_t)pid, (int)(intptr_t)tid, (int)(intptr_t)tid);
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while ( p && timeleft > 0 ) {
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(void)sleep(interval); /* 'assign p = 0;' to get out of loop */
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timeleft -= interval;
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}
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if ( timeleft <= 0 ) {
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tty_message("DEBUGGING: JDWP pause got tired of waiting and gave up.");
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}
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}
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