mirror of
https://github.com/RPCS3/llvm.git
synced 2025-04-04 22:31:44 +00:00
40d2ca9f43
There is a lot of duplicate code for printing line info between YAML and the raw output printer. This introduces a base class that can be shared between the two, and makes some minor cleanups in the process. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@301728 91177308-0d34-0410-b5e6-96231b3b80d8
67 lines
2.4 KiB
C++
67 lines
2.4 KiB
C++
//===- ModuleDebugLineFragment.cpp -------------------------------*- C++-*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/DebugInfo/CodeView/ModuleDebugLineFragment.h"
|
|
|
|
#include "llvm/DebugInfo/CodeView/CodeViewError.h"
|
|
#include "llvm/DebugInfo/CodeView/ModuleDebugFragmentRecord.h"
|
|
|
|
using namespace llvm;
|
|
using namespace llvm::codeview;
|
|
|
|
Error LineColumnExtractor::extract(BinaryStreamRef Stream, uint32_t &Len,
|
|
LineColumnEntry &Item,
|
|
const LineFragmentHeader *Header) {
|
|
using namespace codeview;
|
|
const LineBlockFragmentHeader *BlockHeader;
|
|
BinaryStreamReader Reader(Stream);
|
|
if (auto EC = Reader.readObject(BlockHeader))
|
|
return EC;
|
|
bool HasColumn = Header->Flags & uint16_t(LF_HaveColumns);
|
|
uint32_t LineInfoSize =
|
|
BlockHeader->NumLines *
|
|
(sizeof(LineNumberEntry) + (HasColumn ? sizeof(ColumnNumberEntry) : 0));
|
|
if (BlockHeader->BlockSize < sizeof(LineBlockFragmentHeader))
|
|
return make_error<CodeViewError>(cv_error_code::corrupt_record,
|
|
"Invalid line block record size");
|
|
uint32_t Size = BlockHeader->BlockSize - sizeof(LineBlockFragmentHeader);
|
|
if (LineInfoSize > Size)
|
|
return make_error<CodeViewError>(cv_error_code::corrupt_record,
|
|
"Invalid line block record size");
|
|
// The value recorded in BlockHeader->BlockSize includes the size of
|
|
// LineBlockFragmentHeader.
|
|
Len = BlockHeader->BlockSize;
|
|
Item.NameIndex = BlockHeader->NameIndex;
|
|
if (auto EC = Reader.readArray(Item.LineNumbers, BlockHeader->NumLines))
|
|
return EC;
|
|
if (HasColumn) {
|
|
if (auto EC = Reader.readArray(Item.Columns, BlockHeader->NumLines))
|
|
return EC;
|
|
}
|
|
return Error::success();
|
|
}
|
|
|
|
ModuleDebugLineFragment::ModuleDebugLineFragment()
|
|
: ModuleDebugFragment(ModuleDebugFragmentKind::Lines) {}
|
|
|
|
Error ModuleDebugLineFragment::initialize(BinaryStreamReader Reader) {
|
|
if (auto EC = Reader.readObject(Header))
|
|
return EC;
|
|
|
|
if (auto EC =
|
|
Reader.readArray(LinesAndColumns, Reader.bytesRemaining(), Header))
|
|
return EC;
|
|
|
|
return Error::success();
|
|
}
|
|
|
|
bool ModuleDebugLineFragment::hasColumnInfo() const {
|
|
return Header->Flags & LF_HaveColumns;
|
|
}
|