Zachary Turner 01c3243fc1 Remove dependencies from Utility to Core and Target.
With this patch, the only dependency left is from Utility
to Host.  After this is broken, Utility will finally be
standalone.

Differential Revision: https://reviews.llvm.org/D29909

llvm-svn: 295088
2017-02-14 19:06:07 +00:00

304 lines
8.9 KiB
C++

//===-- 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/DataBufferHeap.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/Endian.h"
#include "lldb/Utility/Error.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;
Error 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 == false)
return false;
Error 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;
Error 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;
}