static bool
DumpUInt (ExecutionContextScope *exe_scope, const Address &address, uint32_t byte_size, Stream* strm)
{
if (exe_scope == NULL || byte_size == 0)
return 0;
std::vector<uint8_t> buf(byte_size, 0);
if (ReadBytes (exe_scope, address, &buf[0], buf.size()) == buf.size())
{
ByteOrder byte_order = eByteOrderInvalid;
uint32_t addr_size = 0;
if (GetByteOrderAndAddressSize (exe_scope, address, byte_order, addr_size))
{
DataExtractor data (&buf.front(), buf.size(), byte_order, addr_size);
data.Dump (strm,
0, // Start offset in "data"
eFormatHex, // Print as characters
buf.size(), // Size of item
1, // Items count
UINT32_MAX, // num per line
LLDB_INVALID_ADDRESS,// base address
0, // bitfield bit size
0); // bitfield bit offset
return true;
}
}
return false;
}
bool RegisterValue::Dump(Stream *s, const RegisterInfo *reg_info,
bool prefix_with_name, bool prefix_with_alt_name,
Format format,
uint32_t reg_name_right_align_at) const {
DataExtractor data;
if (GetData(data)) {
bool name_printed = false;
// For simplicity, alignment of the register name printing applies only
// in the most common case where:
//
// prefix_with_name^prefix_with_alt_name is true
//
StreamString format_string;
if (reg_name_right_align_at && (prefix_with_name ^ prefix_with_alt_name))
format_string.Printf("%%%us", reg_name_right_align_at);
else
format_string.Printf("%%s");
const char *fmt = format_string.GetData();
if (prefix_with_name) {
if (reg_info->name) {
s->Printf(fmt, reg_info->name);
name_printed = true;
} else if (reg_info->alt_name) {
s->Printf(fmt, reg_info->alt_name);
prefix_with_alt_name = false;
name_printed = true;
}
}
if (prefix_with_alt_name) {
if (name_printed)
s->PutChar('/');
if (reg_info->alt_name) {
s->Printf(fmt, reg_info->alt_name);
name_printed = true;
} else if (!name_printed) {
// No alternate name but we were asked to display a name, so show the
// main name
s->Printf(fmt, reg_info->name);
name_printed = true;
}
}
if (name_printed)
s->PutCString(" = ");
if (format == eFormatDefault)
format = reg_info->format;
data.Dump(s,
0, // Offset in "data"
format, // Format to use when dumping
reg_info->byte_size, // item_byte_size
1, // item_count
UINT32_MAX, // num_per_line
LLDB_INVALID_ADDRESS, // base_addr
0, // item_bit_size
0); // item_bit_offset
return true;
}
return false;
}
void EventDataBytes::Dump(Stream *s) const {
size_t num_printable_chars =
std::count_if(m_bytes.begin(), m_bytes.end(), isprint);
if (num_printable_chars == m_bytes.size()) {
s->Printf("\"%s\"", m_bytes.c_str());
} else if (!m_bytes.empty()) {
DataExtractor data;
data.SetData(m_bytes.data(), m_bytes.size(), endian::InlHostByteOrder());
data.Dump(s, 0, eFormatBytes, 1, m_bytes.size(), 32, LLDB_INVALID_ADDRESS,
0, 0);
}
}
static size_t
ReadCStringFromMemory (ExecutionContextScope *exe_scope, const Address &address, Stream *strm)
{
if (exe_scope == NULL)
return 0;
const size_t k_buf_len = 256;
char buf[k_buf_len+1];
buf[k_buf_len] = '\0'; // NULL terminate
// Byte order and address size don't matter for C string dumping..
DataExtractor data (buf, sizeof(buf), endian::InlHostByteOrder(), 4);
size_t total_len = 0;
size_t bytes_read;
Address curr_address(address);
strm->PutChar ('"');
while ((bytes_read = ReadBytes (exe_scope, curr_address, buf, k_buf_len)) > 0)
{
size_t len = strlen(buf);
if (len == 0)
break;
if (len > bytes_read)
len = bytes_read;
data.Dump (strm,
0, // Start offset in "data"
eFormatChar, // Print as characters
1, // Size of item (1 byte for a char!)
len, // How many bytes to print?
UINT32_MAX, // num per line
LLDB_INVALID_ADDRESS,// base address
0, // bitfield bit size
0); // bitfield bit offset
total_len += bytes_read;
if (len < k_buf_len)
break;
curr_address.SetOffset (curr_address.GetOffset() + bytes_read);
}
strm->PutChar ('"');
return total_len;
}
bool
TypeFormatImpl_Format::FormatObject (ValueObject *valobj,
std::string& dest) const
{
if (!valobj)
return false;
if (valobj->CanProvideValue())
{
Value& value(valobj->GetValue());
const Value::ContextType context_type = value.GetContextType();
ExecutionContext exe_ctx (valobj->GetExecutionContextRef());
DataExtractor data;
if (context_type == Value::eContextTypeRegisterInfo)
{
const RegisterInfo *reg_info = value.GetRegisterInfo();
if (reg_info)
{
Error error;
valobj->GetData(data, error);
if (error.Fail())
return false;
StreamString reg_sstr;
data.Dump (®_sstr,
0,
GetFormat(),
reg_info->byte_size,
1,
UINT32_MAX,
LLDB_INVALID_ADDRESS,
0,
0,
exe_ctx.GetBestExecutionContextScope());
dest.swap(reg_sstr.GetString());
}
}
else
{
CompilerType compiler_type = value.GetCompilerType ();
if (compiler_type)
{
// put custom bytes to display in the DataExtractor to override the default value logic
if (GetFormat() == eFormatCString)
{
lldb_private::Flags type_flags(compiler_type.GetTypeInfo(NULL)); // disambiguate w.r.t. TypeFormatImpl::Flags
if (type_flags.Test(eTypeIsPointer) && !type_flags.Test(eTypeIsObjC))
{
// if we are dumping a pointer as a c-string, get the pointee data as a string
TargetSP target_sp(valobj->GetTargetSP());
if (target_sp)
{
size_t max_len = target_sp->GetMaximumSizeOfStringSummary();
Error error;
DataBufferSP buffer_sp(new DataBufferHeap(max_len+1,0));
Address address(valobj->GetPointerValue());
if (target_sp->ReadCStringFromMemory(address, (char*)buffer_sp->GetBytes(), max_len, error) && error.Success())
data.SetData(buffer_sp);
}
}
}
else
{
Error error;
valobj->GetData(data, error);
if (error.Fail())
return false;
}
StreamString sstr;
compiler_type.DumpTypeValue (&sstr, // The stream to use for display
GetFormat(), // Format to display this type with
data, // Data to extract from
0, // Byte offset into "m_data"
valobj->GetByteSize(), // Byte size of item in "m_data"
valobj->GetBitfieldBitSize(), // Bitfield bit size
valobj->GetBitfieldBitOffset(), // Bitfield bit offset
exe_ctx.GetBestExecutionContextScope());
// Given that we do not want to set the ValueObject's m_error
// for a formatting error (or else we wouldn't be able to reformat
// until a next update), an empty string is treated as a "false"
// return from here, but that's about as severe as we get
// CompilerType::DumpTypeValue() should always return
// something, even if that something is an error message
if (sstr.GetString().empty())
dest.clear();
else
dest.swap(sstr.GetString());
}
}
return !dest.empty();
}
else
return false;
}
size_t
UnwindAssemblyInstEmulation::WriteMemory (EmulateInstruction *instruction,
const EmulateInstruction::Context &context,
lldb::addr_t addr,
const void *dst,
size_t dst_len)
{
DataExtractor data (dst,
dst_len,
instruction->GetArchitecture ().GetByteOrder(),
instruction->GetArchitecture ().GetAddressByteSize());
Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_UNWIND));
if (log && log->GetVerbose ())
{
StreamString strm;
strm.PutCString ("UnwindAssemblyInstEmulation::WriteMemory (");
data.Dump(&strm, 0, eFormatBytes, 1, dst_len, UINT32_MAX, addr, 0, 0);
strm.PutCString (", context = ");
context.Dump(strm, instruction);
log->PutCString (strm.GetData());
}
const bool cant_replace = false;
switch (context.type)
{
default:
case EmulateInstruction::eContextInvalid:
case EmulateInstruction::eContextReadOpcode:
case EmulateInstruction::eContextImmediate:
case EmulateInstruction::eContextAdjustBaseRegister:
case EmulateInstruction::eContextRegisterPlusOffset:
case EmulateInstruction::eContextAdjustPC:
case EmulateInstruction::eContextRegisterStore:
case EmulateInstruction::eContextRegisterLoad:
case EmulateInstruction::eContextRelativeBranchImmediate:
case EmulateInstruction::eContextAbsoluteBranchRegister:
case EmulateInstruction::eContextSupervisorCall:
case EmulateInstruction::eContextTableBranchReadMemory:
case EmulateInstruction::eContextWriteRegisterRandomBits:
case EmulateInstruction::eContextWriteMemoryRandomBits:
case EmulateInstruction::eContextArithmetic:
case EmulateInstruction::eContextAdvancePC:
case EmulateInstruction::eContextReturnFromException:
case EmulateInstruction::eContextPopRegisterOffStack:
case EmulateInstruction::eContextAdjustStackPointer:
break;
case EmulateInstruction::eContextPushRegisterOnStack:
{
uint32_t reg_num = LLDB_INVALID_REGNUM;
uint32_t generic_regnum = LLDB_INVALID_REGNUM;
if (context.info_type == EmulateInstruction::eInfoTypeRegisterToRegisterPlusOffset)
{
const uint32_t unwind_reg_kind = m_unwind_plan_ptr->GetRegisterKind();
reg_num = context.info.RegisterToRegisterPlusOffset.data_reg.kinds[unwind_reg_kind];
generic_regnum = context.info.RegisterToRegisterPlusOffset.data_reg.kinds[eRegisterKindGeneric];
}
else
assert (!"unhandled case, add code to handle this!");
if (reg_num != LLDB_INVALID_REGNUM && generic_regnum != LLDB_REGNUM_GENERIC_SP)
{
if (m_pushed_regs.find (reg_num) == m_pushed_regs.end())
{
m_pushed_regs[reg_num] = addr;
const int32_t offset = addr - m_initial_sp;
m_curr_row->SetRegisterLocationToAtCFAPlusOffset (reg_num, offset, cant_replace);
m_curr_row_modified = true;
}
}
}
break;
}
return dst_len;
}
virtual bool
Execute (Args& command,
CommandReturnObject &result)
{
Process *process = m_interpreter.GetDebugger().GetExecutionContext().process;
if (process == NULL)
{
result.AppendError("need a process to read memory");
result.SetStatus(eReturnStatusFailed);
return false;
}
const size_t argc = command.GetArgumentCount();
if (argc == 0 || argc > 2)
{
result.AppendErrorWithFormat ("%s takes 1 or two args.\n", m_cmd_name.c_str());
result.SetStatus(eReturnStatusFailed);
return false;
}
size_t item_byte_size = m_options.m_byte_size;
if (item_byte_size == 0)
{
if (m_options.m_format == eFormatPointer)
item_byte_size = process->GetTarget().GetArchitecture().GetAddressByteSize();
else
item_byte_size = 1;
}
size_t item_count = m_options.m_count;
size_t num_per_line = m_options.m_num_per_line;
if (num_per_line == 0)
{
num_per_line = (16/item_byte_size);
if (num_per_line == 0)
num_per_line = 1;
}
size_t total_byte_size = m_options.m_count * item_byte_size;
if (total_byte_size == 0)
total_byte_size = 32;
lldb::addr_t addr = Args::StringToUInt64(command.GetArgumentAtIndex(0), LLDB_INVALID_ADDRESS, 0);
if (addr == LLDB_INVALID_ADDRESS)
{
result.AppendErrorWithFormat("invalid start address string '%s'.\n", command.GetArgumentAtIndex(0));
result.SetStatus(eReturnStatusFailed);
return false;
}
if (argc == 2)
{
lldb::addr_t end_addr = Args::StringToUInt64(command.GetArgumentAtIndex(1), LLDB_INVALID_ADDRESS, 0);
if (end_addr == LLDB_INVALID_ADDRESS)
{
result.AppendErrorWithFormat("Invalid end address string '%s'.\n", command.GetArgumentAtIndex(1));
result.SetStatus(eReturnStatusFailed);
return false;
}
else if (end_addr <= addr)
{
result.AppendErrorWithFormat("End address (0x%llx) must be greater that the start address (0x%llx).\n", end_addr, addr);
result.SetStatus(eReturnStatusFailed);
return false;
}
else if (item_count != 0)
{
result.AppendErrorWithFormat("Specify either the end address (0x%llx) or the count (--count %u), not both.\n", end_addr, item_count);
result.SetStatus(eReturnStatusFailed);
return false;
}
total_byte_size = end_addr - addr;
item_count = total_byte_size / item_byte_size;
}
else
{
if (item_count == 0)
item_count = 32;
}
DataBufferSP data_sp(new DataBufferHeap (total_byte_size, '\0'));
Error error;
size_t bytes_read = process->ReadMemory(addr, data_sp->GetBytes (), data_sp->GetByteSize(), error);
if (bytes_read == 0)
{
result.AppendWarningWithFormat("Read from 0x%llx failed.\n", addr);
result.AppendError(error.AsCString());
result.SetStatus(eReturnStatusFailed);
return false;
}
if (bytes_read < total_byte_size)
result.AppendWarningWithFormat("Not all bytes (%u/%u) were able to be read from 0x%llx.\n", bytes_read, total_byte_size, addr);
result.SetStatus(eReturnStatusSuccessFinishResult);
DataExtractor data (data_sp,
process->GetTarget().GetArchitecture().GetByteOrder(),
process->GetTarget().GetArchitecture().GetAddressByteSize());
StreamFile outfile_stream;
Stream *output_stream = NULL;
if (m_options.m_outfile_filespec)
{
char path[PATH_MAX];
m_options.m_outfile_filespec.GetPath (path, sizeof(path));
char mode[16] = { 'w', '\0' };
if (m_options.m_append_to_outfile)
mode[0] = 'a';
if (outfile_stream.GetFile ().Open (path, File::eOpenOptionWrite | File::eOpenOptionCanCreate).Success())
{
if (m_options.m_output_as_binary)
{
int bytes_written = outfile_stream.Write (data_sp->GetBytes(), bytes_read);
if (bytes_written > 0)
{
result.GetOutputStream().Printf ("%i bytes %s to '%s'\n",
bytes_written,
m_options.m_append_to_outfile ? "appended" : "written",
path);
return true;
}
else
{
result.AppendErrorWithFormat("Failed to write %zu bytes to '%s'.\n", bytes_read, path);
result.SetStatus(eReturnStatusFailed);
return false;
}
}
else
{
// We are going to write ASCII to the file just point the
// output_stream to our outfile_stream...
output_stream = &outfile_stream;
}
}
else
{
result.AppendErrorWithFormat("Failed to open file '%s' with a mode of '%s'.\n", path, mode);
result.SetStatus(eReturnStatusFailed);
return false;
}
}
else
{
output_stream = &result.GetOutputStream();
}
assert (output_stream);
data.Dump (output_stream,
0,
m_options.m_format,
item_byte_size,
item_count,
num_per_line,
addr,
0,
0);
output_stream->EOL();
return true;
}
bool
GoASTContext::DumpTypeValue(lldb::opaque_compiler_type_t type,
Stream *s,
lldb::Format format,
const DataExtractor &data,
lldb::offset_t byte_offset,
size_t byte_size,
uint32_t bitfield_bit_size,
uint32_t bitfield_bit_offset,
ExecutionContextScope *exe_scope,
bool is_base_class)
{
if (!type)
return false;
if (IsAggregateType(type))
{
return false;
}
else
{
GoType *t = static_cast<GoType *>(type);
if (t->IsTypedef())
{
CompilerType typedef_compiler_type = t->GetElementType();
if (format == eFormatDefault)
format = typedef_compiler_type.GetFormat();
uint64_t typedef_byte_size = typedef_compiler_type.GetByteSize(exe_scope);
return typedef_compiler_type.DumpTypeValue(
s,
format, // The format with which to display the element
data, // Data buffer containing all bytes for this type
byte_offset, // Offset into "data" where to grab value from
typedef_byte_size, // Size of this type in bytes
bitfield_bit_size, // Size in bits of a bitfield value, if zero don't treat as a bitfield
bitfield_bit_offset, // Offset in bits of a bitfield value if bitfield_bit_size != 0
exe_scope,
is_base_class);
}
uint32_t item_count = 1;
// A few formats, we might need to modify our size and count for depending
// on how we are trying to display the value...
switch (format)
{
default:
case eFormatBoolean:
case eFormatBinary:
case eFormatComplex:
case eFormatCString: // NULL terminated C strings
case eFormatDecimal:
case eFormatEnum:
case eFormatHex:
case eFormatHexUppercase:
case eFormatFloat:
case eFormatOctal:
case eFormatOSType:
case eFormatUnsigned:
case eFormatPointer:
case eFormatVectorOfChar:
case eFormatVectorOfSInt8:
case eFormatVectorOfUInt8:
case eFormatVectorOfSInt16:
case eFormatVectorOfUInt16:
case eFormatVectorOfSInt32:
case eFormatVectorOfUInt32:
case eFormatVectorOfSInt64:
case eFormatVectorOfUInt64:
case eFormatVectorOfFloat32:
case eFormatVectorOfFloat64:
case eFormatVectorOfUInt128:
break;
case eFormatChar:
case eFormatCharPrintable:
case eFormatCharArray:
case eFormatBytes:
case eFormatBytesWithASCII:
item_count = byte_size;
byte_size = 1;
break;
case eFormatUnicode16:
item_count = byte_size / 2;
byte_size = 2;
break;
case eFormatUnicode32:
item_count = byte_size / 4;
byte_size = 4;
break;
}
return data.Dump(s, byte_offset, format, byte_size, item_count, UINT32_MAX, LLDB_INVALID_ADDRESS,
bitfield_bit_size, bitfield_bit_offset, exe_scope);
}
return 0;
}
const char *
ValueObject::GetSummaryAsCString (ExecutionContextScope *exe_scope)
{
if (UpdateValueIfNeeded (exe_scope))
{
if (m_summary_str.empty())
{
void *clang_type = GetOpaqueClangQualType();
// See if this is a pointer to a C string?
uint32_t fixed_length = 0;
if (clang_type && ClangASTContext::IsCStringType (clang_type, fixed_length))
{
Process *process = exe_scope->CalculateProcess();
if (process != NULL)
{
StreamString sstr;
lldb::addr_t cstr_address = LLDB_INVALID_ADDRESS;
lldb::AddressType cstr_address_type = eAddressTypeInvalid;
switch (GetValue().GetValueType())
{
case Value::eValueTypeScalar:
cstr_address = m_value.GetScalar().ULongLong(LLDB_INVALID_ADDRESS);
cstr_address_type = eAddressTypeLoad;
break;
case Value::eValueTypeLoadAddress:
case Value::eValueTypeFileAddress:
case Value::eValueTypeHostAddress:
{
uint32_t data_offset = 0;
cstr_address = m_data.GetPointer(&data_offset);
cstr_address_type = m_value.GetValueAddressType();
if (cstr_address_type == eAddressTypeInvalid)
cstr_address_type = eAddressTypeLoad;
}
break;
}
if (cstr_address != LLDB_INVALID_ADDRESS)
{
DataExtractor data;
size_t bytes_read = 0;
std::vector<char> data_buffer;
std::vector<char> cstr_buffer;
size_t cstr_length;
Error error;
if (fixed_length > 0)
{
data_buffer.resize(fixed_length);
// Resize the formatted buffer in case every character
// uses the "\xXX" format and one extra byte for a NULL
cstr_buffer.resize(data_buffer.size() * 4 + 1);
data.SetData (data_buffer.data(), data_buffer.size(), eByteOrderHost);
bytes_read = process->ReadMemory (cstr_address, data_buffer.data(), fixed_length, error);
if (bytes_read > 0)
{
sstr << '"';
cstr_length = data.Dump (&sstr,
0, // Start offset in "data"
eFormatChar, // Print as characters
1, // Size of item (1 byte for a char!)
bytes_read, // How many bytes to print?
UINT32_MAX, // num per line
LLDB_INVALID_ADDRESS,// base address
0, // bitfield bit size
0); // bitfield bit offset
sstr << '"';
}
}
else
{
const size_t k_max_buf_size = 256;
data_buffer.resize (k_max_buf_size + 1);
// NULL terminate in case we don't get the entire C string
data_buffer.back() = '\0';
// Make a formatted buffer that can contain take 4
// bytes per character in case each byte uses the
// "\xXX" format and one extra byte for a NULL
cstr_buffer.resize (k_max_buf_size * 4 + 1);
data.SetData (data_buffer.data(), data_buffer.size(), eByteOrderHost);
size_t total_cstr_len = 0;
while ((bytes_read = process->ReadMemory (cstr_address, data_buffer.data(), k_max_buf_size, error)) > 0)
{
size_t len = strlen(data_buffer.data());
if (len == 0)
break;
if (len > bytes_read)
len = bytes_read;
if (sstr.GetSize() == 0)
sstr << '"';
cstr_length = data.Dump (&sstr,
0, // Start offset in "data"
eFormatChar, // Print as characters
1, // Size of item (1 byte for a char!)
len, // How many bytes to print?
UINT32_MAX, // num per line
LLDB_INVALID_ADDRESS,// base address
0, // bitfield bit size
0); // bitfield bit offset
if (len < k_max_buf_size)
break;
cstr_address += total_cstr_len;
}
if (sstr.GetSize() > 0)
sstr << '"';
}
if (sstr.GetSize() > 0)
m_summary_str.assign (sstr.GetData(), sstr.GetSize());
}
}
}
}
}
if (m_summary_str.empty())
return NULL;
return m_summary_str.c_str();
}
virtual bool
DoExecute (Args& command,
CommandReturnObject &result)
{
ExecutionContext exe_ctx (m_interpreter.GetExecutionContext());
Target *target = exe_ctx.GetTargetPtr();
if (target == NULL)
{
result.AppendError("need at least a target to read memory");
result.SetStatus(eReturnStatusFailed);
return false;
}
const size_t argc = command.GetArgumentCount();
if ((argc == 0 && m_next_addr == LLDB_INVALID_ADDRESS) || argc > 2)
{
result.AppendErrorWithFormat ("%s takes 1 or two args.\n", m_cmd_name.c_str());
result.SetStatus(eReturnStatusFailed);
return false;
}
ClangASTType clang_ast_type;
Error error;
Format format = m_format_options.GetFormat();
const char *view_as_type_cstr = m_memory_options.m_view_as_type.GetCurrentValue();
if (view_as_type_cstr && view_as_type_cstr[0])
{
// We are viewing memory as a type
SymbolContext sc;
const bool exact_match = false;
TypeList type_list;
uint32_t reference_count = 0;
uint32_t pointer_count = 0;
size_t idx;
#define ALL_KEYWORDS \
KEYWORD("const") \
KEYWORD("volatile") \
KEYWORD("restrict") \
KEYWORD("struct") \
KEYWORD("class") \
KEYWORD("union")
#define KEYWORD(s) s,
static const char *g_keywords[] =
{
ALL_KEYWORDS
};
#undef KEYWORD
#define KEYWORD(s) (sizeof(s) - 1),
static const int g_keyword_lengths[] =
{
ALL_KEYWORDS
};
#undef KEYWORD
#undef ALL_KEYWORDS
static size_t g_num_keywords = sizeof(g_keywords) / sizeof(const char *);
std::string type_str(view_as_type_cstr);
// Remove all instances of g_keywords that are followed by spaces
for (size_t i = 0; i < g_num_keywords; ++i)
{
const char *keyword = g_keywords[i];
int keyword_len = g_keyword_lengths[i];
idx = 0;
while ((idx = type_str.find (keyword, idx)) != std::string::npos)
{
if (type_str[idx + keyword_len] == ' ' || type_str[idx + keyword_len] == '\t')
{
type_str.erase(idx, keyword_len+1);
idx = 0;
}
else
{
idx += keyword_len;
}
}
}
bool done = type_str.empty();
//
idx = type_str.find_first_not_of (" \t");
if (idx > 0 && idx != std::string::npos)
type_str.erase (0, idx);
while (!done)
{
// Strip trailing spaces
if (type_str.empty())
done = true;
else
{
switch (type_str[type_str.size()-1])
{
case '*':
++pointer_count;
// fall through...
case ' ':
case '\t':
type_str.erase(type_str.size()-1);
break;
case '&':
if (reference_count == 0)
{
reference_count = 1;
type_str.erase(type_str.size()-1);
}
else
{
result.AppendErrorWithFormat ("invalid type string: '%s'\n", view_as_type_cstr);
result.SetStatus(eReturnStatusFailed);
return false;
}
break;
default:
done = true;
break;
}
}
}
ConstString lookup_type_name(type_str.c_str());
StackFrame *frame = exe_ctx.GetFramePtr();
if (frame)
{
sc = frame->GetSymbolContext (eSymbolContextModule);
if (sc.module_sp)
{
sc.module_sp->FindTypes (sc,
lookup_type_name,
exact_match,
1,
type_list);
}
}
if (type_list.GetSize() == 0)
{
target->GetImages().FindTypes (sc,
lookup_type_name,
exact_match,
1,
type_list);
}
if (type_list.GetSize() == 0)
{
result.AppendErrorWithFormat ("unable to find any types that match the raw type '%s' for full type '%s'\n",
lookup_type_name.GetCString(),
view_as_type_cstr);
result.SetStatus(eReturnStatusFailed);
return false;
}
TypeSP type_sp (type_list.GetTypeAtIndex(0));
clang_ast_type.SetClangType (type_sp->GetClangAST(), type_sp->GetClangFullType());
while (pointer_count > 0)
{
clang_type_t pointer_type = ClangASTContext::CreatePointerType (clang_ast_type.GetASTContext(), clang_ast_type.GetOpaqueQualType());
if (pointer_type)
clang_ast_type.SetClangType (clang_ast_type.GetASTContext(), pointer_type);
else
{
result.AppendError ("unable make a pointer type\n");
result.SetStatus(eReturnStatusFailed);
return false;
}
--pointer_count;
}
m_format_options.GetByteSizeValue() = (clang_ast_type.GetClangTypeBitWidth () + 7) / 8;
if (m_format_options.GetByteSizeValue() == 0)
{
result.AppendErrorWithFormat ("unable to get the byte size of the type '%s'\n",
view_as_type_cstr);
result.SetStatus(eReturnStatusFailed);
return false;
}
if (!m_format_options.GetCountValue().OptionWasSet())
m_format_options.GetCountValue() = 1;
}
else
{
error = m_memory_options.FinalizeSettings (target, m_format_options);
}
// Look for invalid combinations of settings
if (error.Fail())
{
result.AppendErrorWithFormat("%s", error.AsCString());
result.SetStatus(eReturnStatusFailed);
return false;
}
lldb::addr_t addr;
size_t total_byte_size = 0;
if (argc == 0)
{
// Use the last address and byte size and all options as they were
// if no options have been set
addr = m_next_addr;
total_byte_size = m_prev_byte_size;
if (!m_format_options.AnyOptionWasSet() &&
!m_memory_options.AnyOptionWasSet() &&
!m_outfile_options.AnyOptionWasSet() &&
!m_varobj_options.AnyOptionWasSet())
{
m_format_options = m_prev_format_options;
m_memory_options = m_prev_memory_options;
m_outfile_options = m_prev_outfile_options;
m_varobj_options = m_prev_varobj_options;
}
}
size_t item_count = m_format_options.GetCountValue().GetCurrentValue();
const size_t item_byte_size = m_format_options.GetByteSizeValue().GetCurrentValue();
const size_t num_per_line = m_memory_options.m_num_per_line.GetCurrentValue();
if (total_byte_size == 0)
{
total_byte_size = item_count * item_byte_size;
if (total_byte_size == 0)
total_byte_size = 32;
}
if (argc > 0)
addr = Args::StringToUInt64(command.GetArgumentAtIndex(0), LLDB_INVALID_ADDRESS, 0);
if (addr == LLDB_INVALID_ADDRESS)
{
result.AppendErrorWithFormat("invalid start address string '%s'.\n", command.GetArgumentAtIndex(0));
result.SetStatus(eReturnStatusFailed);
return false;
}
if (argc == 2)
{
lldb::addr_t end_addr = Args::StringToUInt64(command.GetArgumentAtIndex(1), LLDB_INVALID_ADDRESS, 0);
if (end_addr == LLDB_INVALID_ADDRESS)
{
result.AppendErrorWithFormat("invalid end address string '%s'.\n", command.GetArgumentAtIndex(1));
result.SetStatus(eReturnStatusFailed);
return false;
}
else if (end_addr <= addr)
{
result.AppendErrorWithFormat("end address (0x%llx) must be greater that the start address (0x%llx).\n", end_addr, addr);
result.SetStatus(eReturnStatusFailed);
return false;
}
else if (m_format_options.GetCountValue().OptionWasSet())
{
result.AppendErrorWithFormat("specify either the end address (0x%llx) or the count (--count %lu), not both.\n", end_addr, item_count);
result.SetStatus(eReturnStatusFailed);
return false;
}
total_byte_size = end_addr - addr;
item_count = total_byte_size / item_byte_size;
}
if (total_byte_size > 1024 && !m_memory_options.m_force)
{
result.AppendErrorWithFormat("Normally, \'memory read\' will not read over 1Kbyte of data.\n");
result.AppendErrorWithFormat("Please use --force to override this restriction.\n");
return false;
}
DataBufferSP data_sp;
size_t bytes_read = 0;
if (!clang_ast_type.GetOpaqueQualType())
{
data_sp.reset (new DataBufferHeap (total_byte_size, '\0'));
Address address(addr, NULL);
bytes_read = target->ReadMemory(address, false, data_sp->GetBytes (), data_sp->GetByteSize(), error);
if (bytes_read == 0)
{
const char *error_cstr = error.AsCString();
if (error_cstr && error_cstr[0])
{
result.AppendError(error_cstr);
}
else
{
result.AppendErrorWithFormat("failed to read memory from 0x%llx.\n", addr);
}
result.SetStatus(eReturnStatusFailed);
return false;
}
if (bytes_read < total_byte_size)
result.AppendWarningWithFormat("Not all bytes (%lu/%lu) were able to be read from 0x%llx.\n", bytes_read, total_byte_size, addr);
else
{
m_next_addr = addr + bytes_read;
m_prev_byte_size = bytes_read;
m_prev_format_options = m_format_options;
m_prev_memory_options = m_memory_options;
m_prev_outfile_options = m_outfile_options;
m_prev_varobj_options = m_varobj_options;
}
}
StreamFile outfile_stream;
Stream *output_stream = NULL;
const FileSpec &outfile_spec = m_outfile_options.GetFile().GetCurrentValue();
if (outfile_spec)
{
char path[PATH_MAX];
outfile_spec.GetPath (path, sizeof(path));
uint32_t open_options = File::eOpenOptionWrite | File::eOpenOptionCanCreate;
const bool append = m_outfile_options.GetAppend().GetCurrentValue();
if (append)
open_options |= File::eOpenOptionAppend;
if (outfile_stream.GetFile ().Open (path, open_options).Success())
{
if (m_memory_options.m_output_as_binary)
{
int bytes_written = outfile_stream.Write (data_sp->GetBytes(), bytes_read);
if (bytes_written > 0)
{
result.GetOutputStream().Printf ("%i bytes %s to '%s'\n",
bytes_written,
append ? "appended" : "written",
path);
return true;
}
else
{
result.AppendErrorWithFormat("Failed to write %zu bytes to '%s'.\n", bytes_read, path);
result.SetStatus(eReturnStatusFailed);
return false;
}
}
else
{
// We are going to write ASCII to the file just point the
// output_stream to our outfile_stream...
output_stream = &outfile_stream;
}
}
else
{
result.AppendErrorWithFormat("Failed to open file '%s' for %s.\n", path, append ? "append" : "write");
result.SetStatus(eReturnStatusFailed);
return false;
}
}
else
{
output_stream = &result.GetOutputStream();
}
ExecutionContextScope *exe_scope = exe_ctx.GetBestExecutionContextScope();
if (clang_ast_type.GetOpaqueQualType())
{
for (uint32_t i = 0; i<item_count; ++i)
{
addr_t item_addr = addr + (i * item_byte_size);
Address address (item_addr);
StreamString name_strm;
name_strm.Printf ("0x%llx", item_addr);
ValueObjectSP valobj_sp (ValueObjectMemory::Create (exe_scope,
name_strm.GetString().c_str(),
address,
clang_ast_type));
if (valobj_sp)
{
if (format != eFormatDefault)
valobj_sp->SetFormat (format);
bool scope_already_checked = true;
ValueObject::DumpValueObjectOptions options;
options.SetMaximumPointerDepth(m_varobj_options.ptr_depth)
.SetMaximumDepth(m_varobj_options.max_depth)
.SetShowLocation(m_varobj_options.show_location)
.SetShowTypes(m_varobj_options.show_types)
.SetUseObjectiveC(m_varobj_options.use_objc)
.SetScopeChecked(scope_already_checked)
.SetFlatOutput(m_varobj_options.flat_output)
.SetUseSyntheticValue(m_varobj_options.be_raw ? false : m_varobj_options.use_synth)
.SetOmitSummaryDepth(m_varobj_options.be_raw ? UINT32_MAX : m_varobj_options.no_summary_depth)
.SetIgnoreCap(m_varobj_options.be_raw ? true : m_varobj_options.ignore_cap)
.SetFormat(format)
.SetSummary();
ValueObject::DumpValueObject (*output_stream,
valobj_sp.get(),
options);
}
else
{
result.AppendErrorWithFormat ("failed to create a value object for: (%s) %s\n",
view_as_type_cstr,
name_strm.GetString().c_str());
result.SetStatus(eReturnStatusFailed);
return false;
}
}
return true;
}
result.SetStatus(eReturnStatusSuccessFinishResult);
DataExtractor data (data_sp,
target->GetArchitecture().GetByteOrder(),
target->GetArchitecture().GetAddressByteSize());
assert (output_stream);
uint32_t bytes_dumped = data.Dump (output_stream,
0,
m_format_options.GetFormat(),
item_byte_size,
item_count,
num_per_line,
addr,
0,
0,
exe_scope);
m_next_addr = addr + bytes_dumped;
output_stream->EOL();
return true;
}
void
CommunicationKDP::DumpPacket (Stream &s, const DataExtractor& packet)
{
const char *error_desc = NULL;
if (packet.GetByteSize() < 8)
{
error_desc = "error: invalid packet (too short): ";
}
else
{
uint32_t offset = 0;
const uint8_t first_packet_byte = packet.GetU8 (&offset);
const uint8_t sequence_id = packet.GetU8 (&offset);
const uint16_t length = packet.GetU16 (&offset);
const uint32_t key = packet.GetU32 (&offset);
const CommandType command = ExtractCommand (first_packet_byte);
const char *command_name = GetCommandAsCString (command);
if (command_name)
{
const bool is_reply = ExtractIsReply(first_packet_byte);
s.Printf ("(running=%i) %s %24s: 0x%2.2x 0x%2.2x 0x%4.4x 0x%8.8x ",
IsRunning(),
is_reply ? "<--" : "-->",
command_name,
first_packet_byte,
sequence_id,
length,
key);
if (is_reply)
{
// Dump request reply packets
switch (command)
{
// Commands that return a single 32 bit error
case KDP_CONNECT:
case KDP_WRITEMEM:
case KDP_WRITEMEM64:
case KDP_BREAKPOINT_SET:
case KDP_BREAKPOINT_REMOVE:
case KDP_BREAKPOINT_SET64:
case KDP_BREAKPOINT_REMOVE64:
case KDP_WRITEREGS:
case KDP_LOAD:
{
const uint32_t error = packet.GetU32 (&offset);
s.Printf(" (error=0x%8.8x)", error);
}
break;
case KDP_DISCONNECT:
case KDP_REATTACH:
case KDP_HOSTREBOOT:
case KDP_SUSPEND:
case KDP_RESUMECPUS:
case KDP_EXCEPTION:
case KDP_TERMINATION:
// No return value for the reply, just the header to ack
s.PutCString(" ()");
break;
case KDP_HOSTINFO:
{
const uint32_t cpu_mask = packet.GetU32 (&offset);
const uint32_t cpu_type = packet.GetU32 (&offset);
const uint32_t cpu_subtype = packet.GetU32 (&offset);
s.Printf(" (cpu_mask=0x%8.8x, cpu_type=0x%8.8x, cpu_subtype=0x%8.8x)", cpu_mask, cpu_type, cpu_subtype);
}
break;
case KDP_VERSION:
{
const uint32_t version = packet.GetU32 (&offset);
const uint32_t feature = packet.GetU32 (&offset);
s.Printf(" (version=0x%8.8x, feature=0x%8.8x)", version, feature);
}
break;
case KDP_REGIONS:
{
const uint32_t region_count = packet.GetU32 (&offset);
s.Printf(" (count = %u", region_count);
for (uint32_t i=0; i<region_count; ++i)
{
const addr_t region_addr = packet.GetPointer (&offset);
const uint32_t region_size = packet.GetU32 (&offset);
const uint32_t region_prot = packet.GetU32 (&offset);
s.Printf("\n\tregion[%" PRIu64 "] = { range = [0x%16.16" PRIx64 " - 0x%16.16" PRIx64 "), size = 0x%8.8x, prot = %s }", region_addr, region_addr, region_addr + region_size, region_size, GetPermissionsAsCString (region_prot));
}
}
break;
case KDP_READMEM:
case KDP_READMEM64:
{
const uint32_t error = packet.GetU32 (&offset);
const uint32_t count = packet.GetByteSize() - offset;
s.Printf(" (error = 0x%8.8x:\n", error);
if (count > 0)
packet.Dump (&s, // Stream to dump to
offset, // Offset within "packet"
eFormatBytesWithASCII, // Format to use
1, // Size of each item in bytes
count, // Number of items
16, // Number per line
m_last_read_memory_addr, // Don't show addresses before each line
0, 0); // No bitfields
}
break;
case KDP_READREGS:
{
const uint32_t error = packet.GetU32 (&offset);
const uint32_t count = packet.GetByteSize() - offset;
s.Printf(" (error = 0x%8.8x regs:\n", error);
if (count > 0)
packet.Dump (&s, // Stream to dump to
offset, // Offset within "packet"
eFormatHex, // Format to use
m_addr_byte_size, // Size of each item in bytes
count / m_addr_byte_size, // Number of items
16 / m_addr_byte_size, // Number per line
LLDB_INVALID_ADDRESS, // Don't show addresses before each line
0, 0); // No bitfields
}
break;
case KDP_KERNELVERSION:
{
const char *kernel_version = packet.PeekCStr(8);
s.Printf(" (version = \"%s\")", kernel_version);
}
break;
case KDP_MAXBYTES:
{
const uint32_t max_bytes = packet.GetU32 (&offset);
s.Printf(" (max_bytes = 0x%8.8x (%u))", max_bytes, max_bytes);
}
break;
case KDP_IMAGEPATH:
{
const char *path = packet.GetCStr(&offset);
s.Printf(" (path = \"%s\")", path);
}
break;
default:
s.Printf(" (add support for dumping this packet reply!!!");
break;
}
}
else
{
// Dump request packets
switch (command)
{
case KDP_CONNECT:
{
const uint16_t reply_port = packet.GetU16 (&offset);
const uint16_t exc_port = packet.GetU16 (&offset);
s.Printf(" (reply_port = %u, exc_port = %u, greeting = \"%s\")", reply_port, exc_port, packet.GetCStr(&offset));
}
break;
case KDP_DISCONNECT:
case KDP_HOSTREBOOT:
case KDP_HOSTINFO:
case KDP_VERSION:
case KDP_REGIONS:
case KDP_KERNELVERSION:
case KDP_MAXBYTES:
case KDP_IMAGEPATH:
case KDP_SUSPEND:
// No args, just the header in the request...
s.PutCString(" ()");
break;
case KDP_RESUMECPUS:
{
const uint32_t cpu_mask = packet.GetU32 (&offset);
s.Printf(" (cpu_mask = 0x%8.8x)", cpu_mask);
}
break;
case KDP_READMEM:
{
const uint32_t addr = packet.GetU32 (&offset);
const uint32_t size = packet.GetU32 (&offset);
s.Printf(" (addr = 0x%8.8x, size = %u)", addr, size);
m_last_read_memory_addr = addr;
}
break;
case KDP_WRITEMEM:
{
const uint32_t addr = packet.GetU32 (&offset);
const uint32_t size = packet.GetU32 (&offset);
s.Printf(" (addr = 0x%8.8x, size = %u, bytes = \n", addr, size);
if (size > 0)
DataExtractor::DumpHexBytes(&s, packet.GetData(&offset, size), size, 32, addr);
}
break;
case KDP_READMEM64:
{
const uint64_t addr = packet.GetU64 (&offset);
const uint32_t size = packet.GetU32 (&offset);
s.Printf(" (addr = 0x%16.16" PRIx64 ", size = %u)", addr, size);
m_last_read_memory_addr = addr;
}
break;
case KDP_WRITEMEM64:
{
const uint64_t addr = packet.GetU64 (&offset);
const uint32_t size = packet.GetU32 (&offset);
s.Printf(" (addr = 0x%16.16" PRIx64 ", size = %u, bytes = \n", addr, size);
if (size > 0)
DataExtractor::DumpHexBytes(&s, packet.GetData(&offset, size), size, 32, addr);
}
break;
case KDP_READREGS:
{
const uint32_t cpu = packet.GetU32 (&offset);
const uint32_t flavor = packet.GetU32 (&offset);
s.Printf(" (cpu = %u, flavor = %u)", cpu, flavor);
}
break;
case KDP_WRITEREGS:
{
const uint32_t cpu = packet.GetU32 (&offset);
const uint32_t flavor = packet.GetU32 (&offset);
const uint32_t nbytes = packet.GetByteSize() - offset;
s.Printf(" (cpu = %u, flavor = %u, regs = \n", cpu, flavor);
if (nbytes > 0)
packet.Dump (&s, // Stream to dump to
offset, // Offset within "packet"
eFormatHex, // Format to use
m_addr_byte_size, // Size of each item in bytes
nbytes / m_addr_byte_size, // Number of items
16 / m_addr_byte_size, // Number per line
LLDB_INVALID_ADDRESS, // Don't show addresses before each line
0, 0); // No bitfields
}
break;
case KDP_BREAKPOINT_SET:
case KDP_BREAKPOINT_REMOVE:
{
const uint32_t addr = packet.GetU32 (&offset);
s.Printf(" (addr = 0x%8.8x)", addr);
}
break;
case KDP_BREAKPOINT_SET64:
case KDP_BREAKPOINT_REMOVE64:
{
const uint64_t addr = packet.GetU64 (&offset);
s.Printf(" (addr = 0x%16.16" PRIx64 ")", addr);
}
break;
case KDP_LOAD:
{
const char *path = packet.GetCStr(&offset);
s.Printf(" (path = \"%s\")", path);
}
break;
case KDP_EXCEPTION:
{
const uint32_t count = packet.GetU32 (&offset);
for (uint32_t i=0; i<count; ++i)
{
const uint32_t cpu = packet.GetU32 (&offset);
const uint32_t exc = packet.GetU32 (&offset);
const uint32_t code = packet.GetU32 (&offset);
const uint32_t subcode = packet.GetU32 (&offset);
const char *exc_cstr = NULL;
switch (exc)
{
case 1:
exc_cstr = "EXC_BAD_ACCESS";
break;
case 2:
exc_cstr = "EXC_BAD_INSTRUCTION";
break;
case 3:
exc_cstr = "EXC_ARITHMETIC";
break;
case 4:
exc_cstr = "EXC_EMULATION";
break;
case 5:
exc_cstr = "EXC_SOFTWARE";
break;
case 6:
exc_cstr = "EXC_BREAKPOINT";
break;
case 7:
exc_cstr = "EXC_SYSCALL";
break;
case 8:
exc_cstr = "EXC_MACH_SYSCALL";
break;
case 9:
exc_cstr = "EXC_RPC_ALERT";
break;
case 10:
exc_cstr = "EXC_CRASH";
break;
default:
break;
}
s.Printf ("{ cpu = 0x%8.8x, exc = %s (%u), code = %u (0x%8.8x), subcode = %u (0x%8.8x)} ",
cpu, exc_cstr, exc, code, code, subcode, subcode);
}
}
break;
case KDP_TERMINATION:
{
const uint32_t term_code = packet.GetU32 (&offset);
const uint32_t exit_code = packet.GetU32 (&offset);
s.Printf(" (term_code = 0x%8.8x (%u), exit_code = 0x%8.8x (%u))", term_code, term_code, exit_code, exit_code);
}
break;
case KDP_REATTACH:
{
const uint16_t reply_port = packet.GetU16 (&offset);
s.Printf(" (reply_port = %u)", reply_port);
}
break;
}
}
}
else
{
error_desc = "error: invalid packet command: ";
}
}
if (error_desc)
{
s.PutCString (error_desc);
packet.Dump (&s, // Stream to dump to
0, // Offset into "packet"
eFormatBytes, // Dump as hex bytes
1, // Size of each item is 1 for single bytes
packet.GetByteSize(), // Number of bytes
UINT32_MAX, // Num bytes per line
LLDB_INVALID_ADDRESS, // Base address
0, 0); // Bitfield info set to not do anything bitfield related
}
}