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//===-- CF.cpp ----------------------------------------------------*- C++
//-*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "CF.h"
#include "lldb/Core/ValueObject.h"
#include "lldb/Core/ValueObjectConstResult.h"
#include "lldb/DataFormatters/FormattersHelpers.h"
#include "lldb/Symbol/ClangASTContext.h"
#include "lldb/Target/Language.h"
#include "lldb/Target/ObjCLanguageRuntime.h"
#include "lldb/Target/StackFrame.h"
#include "lldb/Target/Target.h"
#include "lldb/Utility/DataBufferHeap.h"
#include "lldb/Utility/Endian.h"
#include "lldb/Utility/Status.h"
#include "lldb/Utility/Stream.h"
using namespace lldb;
using namespace lldb_private;
using namespace lldb_private::formatters;
bool lldb_private::formatters::CFAbsoluteTimeSummaryProvider(
ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
time_t epoch = GetOSXEpoch();
epoch = epoch + (time_t)valobj.GetValueAsUnsigned(0);
tm *tm_date = localtime(&epoch);
if (!tm_date)
return false;
std::string buffer(1024, 0);
if (strftime(&buffer[0], 1023, "%Z", tm_date) == 0)
return false;
stream.Printf("%04d-%02d-%02d %02d:%02d:%02d %s", tm_date->tm_year + 1900,
tm_date->tm_mon + 1, tm_date->tm_mday, tm_date->tm_hour,
tm_date->tm_min, tm_date->tm_sec, buffer.c_str());
return true;
}
bool lldb_private::formatters::CFBagSummaryProvider(
ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
static ConstString g_TypeHint("CFBag");
ProcessSP process_sp = valobj.GetProcessSP();
if (!process_sp)
return false;
ObjCLanguageRuntime *runtime =
(ObjCLanguageRuntime *)process_sp->GetLanguageRuntime(
lldb::eLanguageTypeObjC);
if (!runtime)
return false;
ObjCLanguageRuntime::ClassDescriptorSP descriptor(
runtime->GetClassDescriptor(valobj));
if (!descriptor.get() || !descriptor->IsValid())
return false;
uint32_t ptr_size = process_sp->GetAddressByteSize();
lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
if (!valobj_addr)
return false;
uint32_t count = 0;
bool is_type_ok = false; // check to see if this is a CFBag we know about
if (descriptor->IsCFType()) {
ConstString type_name(valobj.GetTypeName());
static ConstString g___CFBag("__CFBag");
static ConstString g_conststruct__CFBag("const struct __CFBag");
if (type_name == g___CFBag || type_name == g_conststruct__CFBag) {
if (valobj.IsPointerType())
is_type_ok = true;
}
}
if (is_type_ok) {
lldb::addr_t offset = 2 * ptr_size + 4 + valobj_addr;
Status error;
count = process_sp->ReadUnsignedIntegerFromMemory(offset, 4, 0, error);
if (error.Fail())
return false;
} else
return false;
std::string prefix, suffix;
if (Language *language = Language::FindPlugin(options.GetLanguage())) {
if (!language->GetFormatterPrefixSuffix(valobj, g_TypeHint, prefix,
suffix)) {
prefix.clear();
suffix.clear();
}
}
stream.Printf("%s\"%u value%s\"%s", prefix.c_str(), count,
(count == 1 ? "" : "s"), suffix.c_str());
return true;
}
bool lldb_private::formatters::CFBitVectorSummaryProvider(
ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
ProcessSP process_sp = valobj.GetProcessSP();
if (!process_sp)
return false;
ObjCLanguageRuntime *runtime =
(ObjCLanguageRuntime *)process_sp->GetLanguageRuntime(
lldb::eLanguageTypeObjC);
if (!runtime)
return false;
ObjCLanguageRuntime::ClassDescriptorSP descriptor(
runtime->GetClassDescriptor(valobj));
if (!descriptor.get() || !descriptor->IsValid())
return false;
uint32_t ptr_size = process_sp->GetAddressByteSize();
lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
if (!valobj_addr)
return false;
uint32_t count = 0;
bool is_type_ok = false; // check to see if this is a CFBag we know about
if (descriptor->IsCFType()) {
ConstString type_name(valobj.GetTypeName());
if (type_name == ConstString("__CFMutableBitVector") ||
type_name == ConstString("__CFBitVector") ||
type_name == ConstString("CFMutableBitVectorRef") ||
type_name == ConstString("CFBitVectorRef")) {
if (valobj.IsPointerType())
is_type_ok = true;
}
}
if (!is_type_ok)
return false;
Status error;
count = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + 2 * ptr_size,
ptr_size, 0, error);
if (error.Fail())
return false;
uint64_t num_bytes = count / 8 + ((count & 7) ? 1 : 0);
addr_t data_ptr = process_sp->ReadPointerFromMemory(
valobj_addr + 2 * ptr_size + 2 * ptr_size, error);
if (error.Fail())
return false;
// make sure we do not try to read huge amounts of data
if (num_bytes > 1024)
num_bytes = 1024;
DataBufferSP buffer_sp(new DataBufferHeap(num_bytes, 0));
num_bytes =
process_sp->ReadMemory(data_ptr, buffer_sp->GetBytes(), num_bytes, error);
if (error.Fail() || num_bytes == 0)
return false;
uint8_t *bytes = buffer_sp->GetBytes();
for (uint64_t byte_idx = 0; byte_idx < num_bytes - 1; byte_idx++) {
uint8_t byte = bytes[byte_idx];
bool bit0 = (byte & 1) == 1;
bool bit1 = (byte & 2) == 2;
bool bit2 = (byte & 4) == 4;
bool bit3 = (byte & 8) == 8;
bool bit4 = (byte & 16) == 16;
bool bit5 = (byte & 32) == 32;
bool bit6 = (byte & 64) == 64;
bool bit7 = (byte & 128) == 128;
stream.Printf("%c%c%c%c %c%c%c%c ", (bit7 ? '1' : '0'), (bit6 ? '1' : '0'),
(bit5 ? '1' : '0'), (bit4 ? '1' : '0'), (bit3 ? '1' : '0'),
(bit2 ? '1' : '0'), (bit1 ? '1' : '0'), (bit0 ? '1' : '0'));
count -= 8;
}
{
// print the last byte ensuring we do not print spurious bits
uint8_t byte = bytes[num_bytes - 1];
bool bit0 = (byte & 1) == 1;
bool bit1 = (byte & 2) == 2;
bool bit2 = (byte & 4) == 4;
bool bit3 = (byte & 8) == 8;
bool bit4 = (byte & 16) == 16;
bool bit5 = (byte & 32) == 32;
bool bit6 = (byte & 64) == 64;
bool bit7 = (byte & 128) == 128;
if (count) {
stream.Printf("%c", bit7 ? '1' : '0');
count -= 1;
}
if (count) {
stream.Printf("%c", bit6 ? '1' : '0');
count -= 1;
}
if (count) {
stream.Printf("%c", bit5 ? '1' : '0');
count -= 1;
}
if (count) {
stream.Printf("%c", bit4 ? '1' : '0');
count -= 1;
}
if (count) {
stream.Printf("%c", bit3 ? '1' : '0');
count -= 1;
}
if (count) {
stream.Printf("%c", bit2 ? '1' : '0');
count -= 1;
}
if (count) {
stream.Printf("%c", bit1 ? '1' : '0');
count -= 1;
}
if (count)
stream.Printf("%c", bit0 ? '1' : '0');
}
return true;
}
bool lldb_private::formatters::CFBinaryHeapSummaryProvider(
ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
static ConstString g_TypeHint("CFBinaryHeap");
ProcessSP process_sp = valobj.GetProcessSP();
if (!process_sp)
return false;
ObjCLanguageRuntime *runtime =
(ObjCLanguageRuntime *)process_sp->GetLanguageRuntime(
lldb::eLanguageTypeObjC);
if (!runtime)
return false;
ObjCLanguageRuntime::ClassDescriptorSP descriptor(
runtime->GetClassDescriptor(valobj));
if (!descriptor.get() || !descriptor->IsValid())
return false;
uint32_t ptr_size = process_sp->GetAddressByteSize();
lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
if (!valobj_addr)
return false;
uint32_t count = 0;
bool is_type_ok =
false; // check to see if this is a CFBinaryHeap we know about
if (descriptor->IsCFType()) {
ConstString type_name(valobj.GetTypeName());
static ConstString g___CFBinaryHeap("__CFBinaryHeap");
static ConstString g_conststruct__CFBinaryHeap(
"const struct __CFBinaryHeap");
static ConstString g_CFBinaryHeapRef("CFBinaryHeapRef");
if (type_name == g___CFBinaryHeap ||
type_name == g_conststruct__CFBinaryHeap ||
type_name == g_CFBinaryHeapRef) {
if (valobj.IsPointerType())
is_type_ok = true;
}
}
if (is_type_ok) {
lldb::addr_t offset = 2 * ptr_size + valobj_addr;
Status error;
count = process_sp->ReadUnsignedIntegerFromMemory(offset, 4, 0, error);
if (error.Fail())
return false;
} else
return false;
std::string prefix, suffix;
if (Language *language = Language::FindPlugin(options.GetLanguage())) {
if (!language->GetFormatterPrefixSuffix(valobj, g_TypeHint, prefix,
suffix)) {
prefix.clear();
suffix.clear();
}
}
stream.Printf("%s\"%u item%s\"%s", prefix.c_str(), count,
(count == 1 ? "" : "s"), suffix.c_str());
return true;
}
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