forked from OSchip/llvm-project
300 lines
9.4 KiB
C++
300 lines
9.4 KiB
C++
//===-- CF.cpp ----------------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/lldb-python.h"
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#include "lldb/DataFormatters/CXXFormatterFunctions.h"
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#include "lldb/Core/DataBufferHeap.h"
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#include "lldb/Core/Error.h"
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#include "lldb/Core/Stream.h"
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#include "lldb/Core/ValueObject.h"
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#include "lldb/Core/ValueObjectConstResult.h"
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#include "lldb/Host/Endian.h"
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#include "lldb/Symbol/ClangASTContext.h"
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#include "lldb/Target/ObjCLanguageRuntime.h"
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#include "lldb/Target/Target.h"
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using namespace lldb;
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using namespace lldb_private;
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using namespace lldb_private::formatters;
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bool
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lldb_private::formatters::CFAbsoluteTimeSummaryProvider (ValueObject& valobj, Stream& stream)
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{
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time_t epoch = GetOSXEpoch();
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epoch = epoch + (time_t)valobj.GetValueAsUnsigned(0);
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tm *tm_date = localtime(&epoch);
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if (!tm_date)
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return false;
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std::string buffer(1024,0);
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if (strftime (&buffer[0], 1023, "%Z", tm_date) == 0)
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return false;
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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());
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return true;
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}
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bool
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lldb_private::formatters::CFBagSummaryProvider (ValueObject& valobj, Stream& stream)
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{
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ProcessSP process_sp = valobj.GetProcessSP();
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if (!process_sp)
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return false;
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ObjCLanguageRuntime* runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC);
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if (!runtime)
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return false;
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ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(valobj));
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if (!descriptor.get() || !descriptor->IsValid())
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return false;
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uint32_t ptr_size = process_sp->GetAddressByteSize();
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lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
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if (!valobj_addr)
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return false;
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uint32_t count = 0;
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bool is_type_ok = false; // check to see if this is a CFBag we know about
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if (descriptor->IsCFType())
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{
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ConstString type_name(valobj.GetTypeName());
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if (type_name == ConstString("__CFBag") || type_name == ConstString("const struct __CFBag"))
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{
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if (valobj.IsPointerType())
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is_type_ok = true;
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}
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}
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if (is_type_ok == false)
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{
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StackFrameSP frame_sp(valobj.GetFrameSP());
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if (!frame_sp)
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return false;
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ValueObjectSP count_sp;
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StreamString expr;
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expr.Printf("(int)CFBagGetCount((void*)0x%" PRIx64 ")",valobj.GetPointerValue());
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if (process_sp->GetTarget().EvaluateExpression(expr.GetData(), frame_sp.get(), count_sp) != eExpressionCompleted)
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return false;
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if (!count_sp)
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return false;
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count = count_sp->GetValueAsUnsigned(0);
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}
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else
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{
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uint32_t offset = 2*ptr_size+4 + valobj_addr;
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Error error;
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count = process_sp->ReadUnsignedIntegerFromMemory(offset, 4, 0, error);
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if (error.Fail())
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return false;
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}
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stream.Printf("@\"%u value%s\"",
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count,(count == 1 ? "" : "s"));
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return true;
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}
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bool
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lldb_private::formatters::CFBitVectorSummaryProvider (ValueObject& valobj, Stream& stream)
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{
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ProcessSP process_sp = valobj.GetProcessSP();
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if (!process_sp)
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return false;
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ObjCLanguageRuntime* runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC);
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if (!runtime)
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return false;
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ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(valobj));
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if (!descriptor.get() || !descriptor->IsValid())
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return false;
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uint32_t ptr_size = process_sp->GetAddressByteSize();
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lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
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if (!valobj_addr)
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return false;
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uint32_t count = 0;
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bool is_type_ok = false; // check to see if this is a CFBag we know about
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if (descriptor->IsCFType())
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{
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ConstString type_name(valobj.GetTypeName());
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if (type_name == ConstString("__CFMutableBitVector") || type_name == ConstString("__CFBitVector") || type_name == ConstString("CFMutableBitVectorRef") || type_name == ConstString("CFBitVectorRef"))
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{
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if (valobj.IsPointerType())
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is_type_ok = true;
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}
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}
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if (is_type_ok == false)
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return false;
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Error error;
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count = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr+2*ptr_size, ptr_size, 0, error);
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if (error.Fail())
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return false;
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uint64_t num_bytes = count / 8 + ((count & 7) ? 1 : 0);
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addr_t data_ptr = process_sp->ReadPointerFromMemory(valobj_addr+2*ptr_size+2*ptr_size, error);
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if (error.Fail())
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return false;
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// make sure we do not try to read huge amounts of data
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if (num_bytes > 1024)
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num_bytes = 1024;
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DataBufferSP buffer_sp(new DataBufferHeap(num_bytes,0));
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num_bytes = process_sp->ReadMemory(data_ptr, buffer_sp->GetBytes(), num_bytes, error);
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if (error.Fail() || num_bytes == 0)
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return false;
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uint8_t *bytes = buffer_sp->GetBytes();
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for (uint64_t byte_idx = 0; byte_idx < num_bytes-1; byte_idx++)
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{
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uint8_t byte = bytes[byte_idx];
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bool bit0 = (byte & 1) == 1;
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bool bit1 = (byte & 2) == 2;
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bool bit2 = (byte & 4) == 4;
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bool bit3 = (byte & 8) == 8;
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bool bit4 = (byte & 16) == 16;
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bool bit5 = (byte & 32) == 32;
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bool bit6 = (byte & 64) == 64;
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bool bit7 = (byte & 128) == 128;
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stream.Printf("%c%c%c%c %c%c%c%c ",
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(bit7 ? '1' : '0'),
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(bit6 ? '1' : '0'),
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(bit5 ? '1' : '0'),
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(bit4 ? '1' : '0'),
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(bit3 ? '1' : '0'),
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(bit2 ? '1' : '0'),
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(bit1 ? '1' : '0'),
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(bit0 ? '1' : '0'));
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count -= 8;
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}
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{
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// print the last byte ensuring we do not print spurious bits
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uint8_t byte = bytes[num_bytes-1];
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bool bit0 = (byte & 1) == 1;
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bool bit1 = (byte & 2) == 2;
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bool bit2 = (byte & 4) == 4;
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bool bit3 = (byte & 8) == 8;
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bool bit4 = (byte & 16) == 16;
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bool bit5 = (byte & 32) == 32;
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bool bit6 = (byte & 64) == 64;
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bool bit7 = (byte & 128) == 128;
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if (count)
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{
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stream.Printf("%c",bit7 ? '1' : '0');
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count -= 1;
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}
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if (count)
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{
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stream.Printf("%c",bit6 ? '1' : '0');
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count -= 1;
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}
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if (count)
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{
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stream.Printf("%c",bit5 ? '1' : '0');
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count -= 1;
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}
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if (count)
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{
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stream.Printf("%c",bit4 ? '1' : '0');
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count -= 1;
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}
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if (count)
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{
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stream.Printf("%c",bit3 ? '1' : '0');
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count -= 1;
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}
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if (count)
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{
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stream.Printf("%c",bit2 ? '1' : '0');
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count -= 1;
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}
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if (count)
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{
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stream.Printf("%c",bit1 ? '1' : '0');
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count -= 1;
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}
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if (count)
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stream.Printf("%c",bit0 ? '1' : '0');
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}
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return true;
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}
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bool
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lldb_private::formatters::CFBinaryHeapSummaryProvider (ValueObject& valobj, Stream& stream)
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{
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ProcessSP process_sp = valobj.GetProcessSP();
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if (!process_sp)
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return false;
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ObjCLanguageRuntime* runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC);
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if (!runtime)
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return false;
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ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(valobj));
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if (!descriptor.get() || !descriptor->IsValid())
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return false;
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uint32_t ptr_size = process_sp->GetAddressByteSize();
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lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
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if (!valobj_addr)
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return false;
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uint32_t count = 0;
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bool is_type_ok = false; // check to see if this is a CFBinaryHeap we know about
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if (descriptor->IsCFType())
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{
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ConstString type_name(valobj.GetTypeName());
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if (type_name == ConstString("__CFBinaryHeap") || type_name == ConstString("const struct __CFBinaryHeap"))
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{
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if (valobj.IsPointerType())
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is_type_ok = true;
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}
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}
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if (is_type_ok == false)
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{
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StackFrameSP frame_sp(valobj.GetFrameSP());
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if (!frame_sp)
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return false;
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ValueObjectSP count_sp;
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StreamString expr;
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expr.Printf("(int)CFBinaryHeapGetCount((void*)0x%" PRIx64 ")",valobj.GetPointerValue());
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if (process_sp->GetTarget().EvaluateExpression(expr.GetData(), frame_sp.get(), count_sp) != eExpressionCompleted)
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return false;
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if (!count_sp)
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return false;
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count = count_sp->GetValueAsUnsigned(0);
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}
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else
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{
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uint32_t offset = 2*ptr_size;
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Error error;
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count = process_sp->ReadUnsignedIntegerFromMemory(offset, 4, 0, error);
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if (error.Fail())
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return false;
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}
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stream.Printf("@\"%u item%s\"",
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count,(count == 1 ? "" : "s"));
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return true;
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}
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