void RuntimeBlob::trace_new_stub(RuntimeBlob* stub, const char* name1, const char* name2) {
// Do not hold the CodeCache lock during name formatting.
assert(!CodeCache_lock->owned_by_self(), "release CodeCache before registering the stub");
if (stub != NULL) {
char stub_id[256];
assert(strlen(name1) + strlen(name2) < sizeof(stub_id), "");
jio_snprintf(stub_id, sizeof(stub_id), "%s%s", name1, name2);
if (PrintStubCode) {
ttyLocker ttyl;
tty->print_cr("Decoding %s " INTPTR_FORMAT, stub_id, (intptr_t) stub);
Disassembler::decode(stub->code_begin(), stub->code_end());
tty->cr();
}
Forte::register_stub(stub_id, stub->code_begin(), stub->code_end());
if (JvmtiExport::should_post_dynamic_code_generated()) {
const char* stub_name = name2;
if (name2[0] == '\0') stub_name = name1;
JvmtiExport::post_dynamic_code_generated(stub_name, stub->code_begin(), stub->code_end());
}
}
// Track memory usage statistic after releasing CodeCache_lock
MemoryService::track_code_cache_memory_usage();
}
void HashtableTextDump::corrupted(const char *p, const char* msg) {
char info[100];
jio_snprintf(info, sizeof(info),
"%s. Corrupted at line %d (file pos %d)",
msg, _line_no, (int)(p - _base));
quit(info, _filename);
}
OSRAdapter* OSRAdapter::new_osr_adapter(CodeBuffer* cb, OopMapSet *oop_maps,
int frame_size, int returning_fp_entry_offset) {
unsigned int size = allocation_size(cb, sizeof(OSRAdapter));
OSRAdapter* osr_adapter = NULL;
{
MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
osr_adapter = new (size) OSRAdapter(cb, oop_maps, size, frame_size, returning_fp_entry_offset);
}
// We do not need to hold the CodeCache lock during name formatting.
if (osr_adapter != NULL) {
char blob_id[256];
jio_snprintf(blob_id, sizeof(blob_id), "OSRAdapter@" PTR_FORMAT, osr_adapter->instructions_begin());
VTune::register_stub(blob_id, osr_adapter->instructions_begin(), osr_adapter->instructions_end());
Forte::register_stub(blob_id, osr_adapter->instructions_begin(), osr_adapter->instructions_end());
// notify JVMTI profiler about this OSR
if (JvmtiExport::should_post_dynamic_code_generated()) {
JvmtiExport::post_dynamic_code_generated("OSRAdapter", osr_adapter->instructions_begin(),
osr_adapter->instructions_end());
}
}
return osr_adapter;
}
// Test parsing a bunch of valid file output options
TEST_VM(LogFileOutput, parse_valid) {
const char* valid_options[] = {
"", "filecount=10", "filesize=512",
"filecount=11,filesize=256",
"filesize=256,filecount=11",
"filesize=0", "filecount=1",
"filesize=1m", "filesize=1M",
"filesize=1k", "filesize=1G"
};
// Override LogOutput's vm_start time to get predictable file name
LogFileOutput::set_file_name_parameters(0);
char expected_filename[1 * K];
int ret = jio_snprintf(expected_filename, sizeof(expected_filename),
"testlog.pid%d.1970-01-01_01-00-00.log",
os::current_process_id());
ASSERT_GT(ret, 0) << "Buffer too small";
for (size_t i = 0; i < ARRAY_SIZE(valid_options); i++) {
ResourceMark rm;
stringStream ss;
{
LogFileOutput fo(name);
EXPECT_STREQ(name, fo.name());
EXPECT_TRUE(fo.initialize(valid_options[i], &ss))
<< "Did not accept valid option(s) '" << valid_options[i] << "': " << ss.as_string();
}
remove(expected_filename);
}
}
void VMError::show_message_box(char *buf, int buflen) {
bool yes;
do {
error_string(buf, buflen);
int len = (int)strlen(buf);
char *p = &buf[len];
jio_snprintf(p, buflen - len,
"\n\n"
"Do you want to debug the problem?\n\n"
"To debug, attach Visual Studio to process %d; then switch to thread 0x%x\n"
"Select 'Yes' to launch Visual Studio automatically (PATH must include msdev)\n"
"Otherwise, select 'No' to abort...",
os::current_process_id(), os::current_thread_id());
yes = os::message_box("Unexpected Error", buf) != 0;
if (yes) {
// yes, user asked VM to launch debugger
//
// os::breakpoint() calls DebugBreak(), which causes a breakpoint
// exception. If VM is running inside a debugger, the debugger will
// catch the exception. Otherwise, the breakpoint exception will reach
// the default windows exception handler, which can spawn a debugger and
// automatically attach to the dying VM.
os::breakpoint();
yes = false;
}
} while (yes);
}
NMT_TrackingLevel MemTracker::init_tracking_level() {
NMT_TrackingLevel level = NMT_off;
char buf[64];
jio_snprintf(buf, sizeof(buf), "NMT_LEVEL_%d", os::current_process_id());
const char *nmt_option = ::getenv(buf);
if (nmt_option != NULL) {
if (strcmp(nmt_option, "summary") == 0) {
level = NMT_summary;
} else if (strcmp(nmt_option, "detail") == 0) {
level = NMT_detail;
} else if (strcmp(nmt_option, "off") != 0) {
// The option value is invalid
_is_nmt_env_valid = false;
}
// Remove the environment variable to avoid leaking to child processes
os::unsetenv(buf);
}
// Construct NativeCallStack::EMPTY_STACK. It may get constructed twice,
// but it is benign, the results are the same.
::new ((void*)&NativeCallStack::EMPTY_STACK) NativeCallStack(0, false);
if (!MallocTracker::initialize(level) ||
!VirtualMemoryTracker::initialize(level)) {
level = NMT_off;
}
return level;
}
ageTable::ageTable(bool global) {
clear();
if (UsePerfData && global) {
ResourceMark rm;
EXCEPTION_MARK;
const char* agetable_ns = "generation.0.agetable";
const char* bytes_ns = PerfDataManager::name_space(agetable_ns, "bytes");
for(int age = 0; age < table_size; age ++) {
char age_name[10];
jio_snprintf(age_name, sizeof(age_name), "%2.2d", age);
const char* cname = PerfDataManager::counter_name(bytes_ns, age_name);
_perf_sizes[age] = PerfDataManager::create_variable(SUN_GC, cname,
PerfData::U_Bytes,
CHECK);
}
const char* cname = PerfDataManager::counter_name(agetable_ns, "size");
PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_None,
table_size, CHECK);
}
}
GCCauseString& append(const char* str) {
int res = jio_snprintf(_buffer + _position, _length - _position, "%s", str);
_position += res;
assert(res >= 0 && _position <= _length,
err_msg("Need to increase the buffer size in GCCauseString? %d", res));
return *this;
}
// Prepare _all_decorators to contain the full list of decorators (comma separated)
void LogConfigurationTest::SetUpTestCase() {
char *pos = _all_decorators;
for (size_t i = 0; i < LogDecorators::Count; i++) {
pos += jio_snprintf(pos, sizeof(_all_decorators) - (pos - _all_decorators), "%s%s",
(i == 0 ? "" : ","),
LogDecorators::name(static_cast<LogDecorators::Decorator>(i)));
}
}
// Test basic command line parsing & configuration
TEST_VM_F(LogConfigurationTest, parse_command_line_arguments) {
// Prepare a command line for logging*=debug on stderr with all decorators
int ret;
char buf[256];
ret = jio_snprintf(buf, sizeof(buf), "logging*=debug:stderr:%s", _all_decorators);
ASSERT_NE(-1, ret);
bool success = LogConfiguration::parse_command_line_arguments(buf);
EXPECT_TRUE(success) << "Error parsing valid command line arguments '" << buf << "'";
// Ensure the new configuration applied
EXPECT_TRUE(is_described("logging=debug"));
EXPECT_TRUE(is_described(_all_decorators));
// Test the configuration of file outputs as well
ret = jio_snprintf(buf, sizeof(buf), ":%s", TestLogFileName);
ASSERT_NE(-1, ret);
EXPECT_TRUE(LogConfiguration::parse_command_line_arguments(buf));
}
static char *fullPath(JNIEnv *env, char *part, char *full) {
char **tmp;
struct stat b;
int ret;
/*
* If the filename we want to exec has any slashes in it then
* we shouldn't do a path search, as in /foo ./foo or foo/bar.
*/
if ((strchr(part, '/') == NULL) && PATH) {
for (tmp = PATH; *tmp; tmp++) {
strcpy(full, *tmp);
/*
* empty path elements are like '.' so we don't want to append
* a slash to them. Otherwise foo becomes /foo.
*/
if (full[0] != '\0') {
strcat(full, "/");
}
strcat(full, part);
ret = statExecutable(full, &b);
if (ret == -1) { /* doesn't exist */
continue;
} else if (ret == -2) { /* can't execute */
continue; /* bug 4199993 - got to keep searching. */
} else {
return full;
}
}
} else if (!(ret = statExecutable(part, &b))) {
/* always copy value to be returned so `part' may always be freed
* after call (if needed) */
strcpy(full, part);
return full;
} else if (ret == -2) { /* cannot execute */
jio_snprintf(full, MAXPATHLEN, "%s: cannot execute", part);
JNU_ThrowIOException(env, full);
return 0;
}
/* not found if we got here */
jio_snprintf(full, MAXPATHLEN, "%s: not found", part);
JNU_ThrowIOException(env, full);
return 0;
}
PRAGMA_FORMAT_NONLITERAL_IGNORED_EXTERNAL
void Flag::print_on(outputStream* st, bool withComments) {
// Don't print notproduct and develop flags in a product build.
if (is_constant_in_binary()) {
return;
}
st->print("%9s %-40s %c= ", _type, _name, (!is_default() ? ':' : ' '));
if (is_bool()) {
st->print("%-16s", get_bool() ? "true" : "false");
}
if (is_intx()) {
st->print("%-16ld", get_intx());
}
if (is_uintx()) {
st->print("%-16lu", get_uintx());
}
if (is_uint64_t()) {
st->print("%-16lu", get_uint64_t());
}
if (is_double()) {
st->print("%-16f", get_double());
}
if (is_ccstr()) {
const char* cp = get_ccstr();
if (cp != NULL) {
const char* eol;
while ((eol = strchr(cp, '\n')) != NULL) {
char format_buffer[FORMAT_BUFFER_LEN];
size_t llen = pointer_delta(eol, cp, sizeof(char));
jio_snprintf(format_buffer, FORMAT_BUFFER_LEN,
"%%." SIZE_FORMAT "s", llen);
PRAGMA_DIAG_PUSH
PRAGMA_FORMAT_NONLITERAL_IGNORED_INTERNAL
st->print(format_buffer, cp);
PRAGMA_DIAG_POP
st->cr();
cp = eol+1;
st->print("%5s %-35s += ", "", _name);
}
st->print("%-16s", cp);
}
else st->print("%-16s", "");
}
st->print("%-20s", " ");
print_kind(st);
if (withComments) {
#ifndef PRODUCT
st->print("%s", _doc);
#endif
}
st->cr();
}
void LogFileOutput::set_file_name_parameters(jlong vm_start_time) {
int res = jio_snprintf(_pid_str, sizeof(_pid_str), "%d", os::current_process_id());
assert(res > 0, "PID buffer too small");
struct tm local_time;
time_t utc_time = vm_start_time / 1000;
os::localtime_pd(&utc_time, &local_time);
res = (int)strftime(_vm_start_time_str, sizeof(_vm_start_time_str), TimestampFormat, &local_time);
assert(res > 0, "VM start time buffer too small.");
}
// Test for overflows with filesize
TEST_VM(LogFileOutput, filesize_overflow) {
char buf[256];
int ret = jio_snprintf(buf, sizeof(buf), "filesize=" SIZE_FORMAT "K", SIZE_MAX);
ASSERT_GT(ret, 0) << "Buffer too small";
ResourceMark rm;
stringStream ss;
LogFileOutput fo(name);
EXPECT_FALSE(fo.initialize(buf, &ss)) << "Accepted filesize that overflows";
}
// Test reconfiguration of the selected decorators for an output
TEST_VM_F(LogConfigurationTest, reconfigure_decorators) {
// Configure stderr with all decorators
set_log_config("stderr", "all=off", _all_decorators);
char buf[256];
int ret = jio_snprintf(buf, sizeof(buf), "#1: stderr all=off %s", _all_decorators);
ASSERT_NE(-1, ret);
EXPECT_TRUE(is_described(buf)) << "'" << buf << "' not described after reconfiguration";
// Now reconfigure logging on stderr with no decorators
set_log_config("stderr", "all=off", "none");
EXPECT_TRUE(is_described("#1: stderr all=off \n")) << "Expecting no decorators";
}
int LogTagSet::label(char* buf, size_t len, const char* separator) const {
int tot_written = 0;
for (size_t i = 0; i < _ntags; i++) {
int written = jio_snprintf(buf + tot_written, len - tot_written, "%s%s",
(i == 0 ? "" : separator),
LogTag::name(_tag[i]));
if (written < 0) {
return -1;
}
tot_written += written;
}
return tot_written;
}
ClassClass *LoadClassLocally(char *name)
{
extern char *extra_class_path;
ClassClass *cb = 0;
cpe_t **cpp;
if (name[0] == DIR_SEPARATOR || name[0] == SIGNATURE_ARRAY)
return 0;
for (cpp = sysGetClassPath(); cpp && *cpp != 0; cpp++) {
cpe_t *cpe = *cpp;
char path[255];
if (cpe->type == CPE_DIR) {
if (jio_snprintf(path, sizeof(path),
"%s%c%s." JAVAOBJEXT, cpe->u.dir,
LOCAL_DIR_SEPARATOR, name) == -1) {
return 0;
}
if (cb = LoadClassFromFile(sysNativePath(path), cpe->u.dir, name)) {
return cb;
}
}
}
if (extra_class_path) {
char path[255];
if (jio_snprintf(path, sizeof(path),
"%s%c%s." JAVAOBJEXT, extra_class_path,
LOCAL_DIR_SEPARATOR, name) == -1) {
return 0;
}
if (cb = LoadClassFromFile(sysNativePath(path), extra_class_path, name)) {
return cb;
}
}
return cb;
}
// Get custom message for this locked flag, or return NULL if
// none is available.
void Flag::get_locked_message(char* buf, int buflen) const {
buf[0] = '\0';
if (is_diagnostic() && !is_unlocked()) {
jio_snprintf(buf, buflen, "Error: VM option '%s' is diagnostic and must be enabled via -XX:+UnlockDiagnosticVMOptions.\n",
_name);
return;
}
if (is_experimental() && !is_unlocked()) {
jio_snprintf(buf, buflen, "Error: VM option '%s' is experimental and must be enabled via -XX:+UnlockExperimentalVMOptions.\n",
_name);
return;
}
if (is_develop() && is_product_build()) {
jio_snprintf(buf, buflen, "Error: VM option '%s' is develop and is available only in debug version of VM.\n",
_name);
return;
}
if (is_notproduct() && is_product_build()) {
jio_snprintf(buf, buflen, "Error: VM option '%s' is notproduct and is available only in debug version of VM.\n",
_name);
return;
}
get_locked_message_ext(buf, buflen);
}
bool MachODecoder::demangle(const char* symbol, char *buf, int buflen) {
int status;
char* result;
size_t size = (size_t)buflen;
// Don't pass buf to __cxa_demangle. In case of the 'buf' is too small,
// __cxa_demangle will call system "realloc" for additional memory, which
// may use different malloc/realloc mechanism that allocates 'buf'.
if ((result = abi::__cxa_demangle(symbol, NULL, NULL, &status)) != NULL) {
jio_snprintf(buf, buflen, "%s", result);
// call c library's free
::free(result);
return true;
}
return false;
}
TEST(LogTagSetDescriptions, describe) {
for (LogTagSetDescription* d = tagset_descriptions; d->tagset != NULL; d++) {
char expected[1 * K];
d->tagset->label(expected, sizeof(expected), "+");
jio_snprintf(expected + strlen(expected),
sizeof(expected) - strlen(expected),
": %s", d->descr);
ResourceMark rm;
stringStream stream;
LogConfiguration::describe(&stream);
EXPECT_PRED2(string_contains_substring, stream.as_string(), expected)
<< "missing log tag set descriptions in LogConfiguration::describe";
}
}
// Try to find the next number that should be used for file rotation.
// Return UINT_MAX on error.
static uint next_file_number(const char* filename,
uint number_of_digits,
uint filecount,
outputStream* errstream) {
bool found = false;
uint next_num = 0;
// len is filename + dot + digits + null char
size_t len = strlen(filename) + number_of_digits + 2;
char* archive_name = NEW_C_HEAP_ARRAY(char, len, mtLogging);
char* oldest_name = NEW_C_HEAP_ARRAY(char, len, mtLogging);
for (uint i = 0; i < filecount; i++) {
int ret = jio_snprintf(archive_name, len, "%s.%0*u",
filename, number_of_digits, i);
assert(ret > 0 && static_cast<size_t>(ret) == len - 1,
"incorrect buffer length calculation");
if (file_exists(archive_name) && !is_regular_file(archive_name)) {
// We've encountered something that's not a regular file among the
// possible file rotation targets. Fail immediately to prevent
// problems later.
errstream->print_cr("Possible rotation target file '%s' already exists "
"but is not a regular file.", archive_name);
next_num = UINT_MAX;
break;
}
// Stop looking if we find an unused file name
if (!file_exists(archive_name)) {
next_num = i;
found = true;
break;
}
// Keep track of oldest existing log file
if (!found
|| os::compare_file_modified_times(oldest_name, archive_name) > 0) {
strcpy(oldest_name, archive_name);
next_num = i;
found = true;
}
}
FREE_C_HEAP_ARRAY(char, oldest_name);
FREE_C_HEAP_ARRAY(char, archive_name);
return next_num;
}
TEST(LogTagSetDescriptions, command_line_help) {
const char* filename = "logtagset_descriptions";
FILE* fp = fopen(filename, "w+");
ASSERT_NE((void*)NULL, fp);
LogConfiguration::print_command_line_help(fp);
fclose(fp);
for (LogTagSetDescription* d = tagset_descriptions; d->tagset != NULL; d++) {
char expected[1 * K];
d->tagset->label(expected, sizeof(expected), "+");
jio_snprintf(expected + strlen(expected),
sizeof(expected) - strlen(expected),
": %s", d->descr);
EXPECT_TRUE(file_contains_substring(filename, expected)) << "missing log tag set descriptions in -Xlog:help output";
}
delete_file(filename);
}
void MethodHandles::verify_ref_kind(MacroAssembler* _masm, int ref_kind, Register member_reg, Register temp) {
Label L;
BLOCK_COMMENT("verify_ref_kind {");
__ movl(temp, Address(member_reg, NONZERO(java_lang_invoke_MemberName::flags_offset_in_bytes())));
__ shrl(temp, java_lang_invoke_MemberName::MN_REFERENCE_KIND_SHIFT);
__ andl(temp, java_lang_invoke_MemberName::MN_REFERENCE_KIND_MASK);
__ cmpl(temp, ref_kind);
__ jcc(Assembler::equal, L);
{ char* buf = NEW_C_HEAP_ARRAY(char, 100, mtInternal);
jio_snprintf(buf, 100, "verify_ref_kind expected %x", ref_kind);
if (ref_kind == JVM_REF_invokeVirtual ||
ref_kind == JVM_REF_invokeSpecial)
// could do this for all ref_kinds, but would explode assembly code size
trace_method_handle(_masm, buf);
__ STOP(buf);
}
BLOCK_COMMENT("} verify_ref_kind");
__ bind(L);
}
bool ElfStringTable::string_at(int pos, char* buf, int buflen) {
if (NullDecoder::is_error(m_status)) {
return false;
}
if (m_table != NULL) {
jio_snprintf(buf, buflen, "%s", (const char*)(m_table + pos));
return true;
} else {
long cur_pos = ftell(m_file);
if (cur_pos == -1 ||
fseek(m_file, m_shdr.sh_offset + pos, SEEK_SET) ||
fread(buf, 1, buflen, m_file) <= 0 ||
fseek(m_file, cur_pos, SEEK_SET)) {
m_status = NullDecoder::file_invalid;
return false;
}
return true;
}
}
void MethodHandles::verify_ref_kind(MacroAssembler* _masm, int ref_kind, Register member_reg, Register temp) {
Label L;
BLOCK_COMMENT("verify_ref_kind {");
__ load_sized_value(temp, NONZERO(java_lang_invoke_MemberName::flags_offset_in_bytes()), member_reg,
sizeof(u4), /*is_signed*/ false);
// assert(sizeof(u4) == sizeof(java.lang.invoke.MemberName.flags), "");
__ srwi( temp, temp, java_lang_invoke_MemberName::MN_REFERENCE_KIND_SHIFT);
__ andi(temp, temp, java_lang_invoke_MemberName::MN_REFERENCE_KIND_MASK);
__ cmpwi(CCR1, temp, ref_kind);
__ beq(CCR1, L);
{ char* buf = NEW_C_HEAP_ARRAY(char, 100, mtInternal);
jio_snprintf(buf, 100, "verify_ref_kind expected %x", ref_kind);
if (ref_kind == JVM_REF_invokeVirtual ||
ref_kind == JVM_REF_invokeSpecial)
// could do this for all ref_kinds, but would explode assembly code size
trace_method_handle(_masm, buf);
__ stop(buf);
}
BLOCK_COMMENT("} verify_ref_kind");
__ BIND(L);
}
Decoder::decoder_status Decoder::decode(address addr, char *buf, int buflen, int *offset) {
assert(_initialized, "Decoder not yet initialized");
if (_pfnSymGetSymFromAddr64 != NULL) {
PIMAGEHLP_SYMBOL64 pSymbol;
char symbolInfo[MAX_PATH + sizeof(IMAGEHLP_SYMBOL64)];
pSymbol = (PIMAGEHLP_SYMBOL64)symbolInfo;
pSymbol->MaxNameLength = MAX_PATH;
pSymbol->SizeOfStruct = sizeof(IMAGEHLP_SYMBOL64);
DWORD64 displacement;
if (_pfnSymGetSymFromAddr64(::GetCurrentProcess(), (DWORD64)addr, &displacement, pSymbol)) {
if (buf != NULL) {
if (!demangle(pSymbol->Name, buf, buflen)) {
jio_snprintf(buf, buflen, "%s", pSymbol->Name);
}
}
if (offset != NULL) *offset = (int)displacement;
return no_error;
}
}
return helper_not_found;
}
/*
* Class: sun_java2d_opengl_OGLContext
* Method: getOGLIdString
* Signature: ()Ljava/lang/String;
*/
JNIEXPORT jstring JNICALL Java_sun_java2d_opengl_OGLContext_getOGLIdString
(JNIEnv *env, jclass oglcc)
{
char *vendor, *renderer, *version;
char *pAdapterId;
jobject ret = NULL;
int len;
J2dTraceLn(J2D_TRACE_INFO, "OGLContext_getOGLIdString");
vendor = (char*)j2d_glGetString(GL_VENDOR);
if (vendor == NULL) {
vendor = "Unknown Vendor";
}
renderer = (char*)j2d_glGetString(GL_RENDERER);
if (renderer == NULL) {
renderer = "Unknown Renderer";
}
version = (char*)j2d_glGetString(GL_VERSION);
if (version == NULL) {
version = "unknown version";
}
// 'vendor renderer (version)0'
len = strlen(vendor) + 1 + strlen(renderer) + 1 + 1+strlen(version)+1 + 1;
pAdapterId = malloc(len);
if (pAdapterId != NULL) {
jio_snprintf(pAdapterId, len, "%s %s (%s)", vendor, renderer, version);
J2dTraceLn1(J2D_TRACE_VERBOSE, " id=%s", pAdapterId);
ret = JNU_NewStringPlatform(env, pAdapterId);
free(pAdapterId);
}
return ret;
}
void JVMTIAgentLoadDCmd::execute(DCmdSource source, TRAPS) {
if (_libpath.value() == NULL) {
output()->print_cr("JVMTI.agent_load dcmd needs library path.");
return;
}
char *suffix = strrchr(_libpath.value(), '.');
bool is_java_agent = (suffix != NULL) && (strncmp(".jar", suffix, 4) == 0);
if (is_java_agent) {
if (_option.value() == NULL) {
JvmtiExport::load_agent_library("instrument", "false",
_libpath.value(), output());
} else {
size_t opt_len = strlen(_libpath.value()) + strlen(_option.value()) + 2;
if (opt_len > 4096) {
output()->print_cr("JVMTI agent attach failed: Options is too long.");
return;
}
char *opt = (char *)os::malloc(opt_len, mtInternal);
if (opt == NULL) {
output()->print_cr("JVMTI agent attach failed: "
"Could not allocate %zu bytes for argument.",
opt_len);
return;
}
jio_snprintf(opt, opt_len, "%s=%s", _libpath.value(), _option.value());
JvmtiExport::load_agent_library("instrument", "false", opt, output());
os::free(opt);
}
} else {
JvmtiExport::load_agent_library(_libpath.value(), "true",
_option.value(), output());
}
}
bool WindowsDecoder::decode(address addr, char *buf, int buflen, int* offset, const char* modulepath) {
if (_pfnSymGetSymFromAddr64 != NULL) {
PIMAGEHLP_SYMBOL64 pSymbol;
char symbolInfo[MAX_PATH + sizeof(IMAGEHLP_SYMBOL64)];
pSymbol = (PIMAGEHLP_SYMBOL64)symbolInfo;
pSymbol->MaxNameLength = MAX_PATH;
pSymbol->SizeOfStruct = sizeof(IMAGEHLP_SYMBOL64);
DWORD64 displacement;
if (_pfnSymGetSymFromAddr64(::GetCurrentProcess(), (DWORD64)addr, &displacement, pSymbol)) {
if (buf != NULL) {
if (demangle(pSymbol->Name, buf, buflen)) {
jio_snprintf(buf, buflen, "%s", pSymbol->Name);
}
}
if(offset != NULL) *offset = (int)displacement;
return true;
}
}
if (buf != NULL && buflen > 0) buf[0] = '\0';
if (offset != NULL) *offset = -1;
return false;
}
// Test split up log configuration arguments
TEST_VM_F(LogConfigurationTest, parse_log_arguments) {
ResourceMark rm;
stringStream ss;
// Verify that it's possible to configure each individual tag
for (size_t t = 1 /* Skip _NO_TAG */; t < LogTag::Count; t++) {
const LogTagType tag = static_cast<LogTagType>(t);
EXPECT_TRUE(LogConfiguration::parse_log_arguments("stdout", LogTag::name(tag), "", "", &ss));
}
// Same for each level
for (size_t l = 0; l < LogLevel::Count; l++) {
const LogLevelType level = static_cast<LogLevelType>(l);
char expected_buf[256];
int ret = jio_snprintf(expected_buf, sizeof(expected_buf), "all=%s", LogLevel::name(level));
ASSERT_NE(-1, ret);
EXPECT_TRUE(LogConfiguration::parse_log_arguments("stderr", expected_buf, "", "", &ss));
}
// And for each decorator
for (size_t d = 0; d < LogDecorators::Count; d++) {
const LogDecorators::Decorator decorator = static_cast<LogDecorators::Decorator>(d);
EXPECT_TRUE(LogConfiguration::parse_log_arguments("#0", "", LogDecorators::name(decorator), "", &ss));
}
}
