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//===- DiagnosticInfo.cpp -------------------------------------------------===//
//
// The MCLinker Project
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "mcld/LD/DiagnosticInfos.h"
#include "mcld/LinkerConfig.h"
#include "mcld/ADT/SizeTraits.h"
#include "mcld/LD/Diagnostic.h"
#include "mcld/LD/DiagnosticPrinter.h"
#include <llvm/ADT/StringRef.h>
#include <llvm/Support/DataTypes.h>
#include <algorithm>
namespace mcld {
namespace {
struct DiagStaticInfo {
public:
uint16_t ID;
DiagnosticEngine::Severity Severity;
uint16_t DescriptionLen;
const char* DescriptionStr;
public:
llvm::StringRef getDescription() const {
return llvm::StringRef(DescriptionStr, DescriptionLen);
}
bool operator<(const DiagStaticInfo& pRHS) const { return (ID < pRHS.ID); }
};
} // anonymous namespace
static const DiagStaticInfo DiagCommonInfo[] = {
#define DIAG(ENUM, CLASS, ADDRDESC, LOCDESC) \
{ diag::ENUM, CLASS, STR_SIZE(ADDRDESC, uint16_t), ADDRDESC } \
,
#include "mcld/LD/DiagAttribute.inc" // NOLINT [build/include] [4]
#include "mcld/LD/DiagCommonKinds.inc" // NOLINT [build/include] [4]
#include "mcld/LD/DiagReaders.inc" // NOLINT [build/include] [4]
#include "mcld/LD/DiagSymbolResolutions.inc" // NOLINT [build/include] [4]
#include "mcld/LD/DiagRelocations.inc" // NOLINT [build/include] [4]
#include "mcld/LD/DiagLayouts.inc" // NOLINT [build/include] [4]
#include "mcld/LD/DiagGOTPLT.inc" // NOLINT [build/include] [4]
#include "mcld/LD/DiagLDScript.inc" // NOLINT [build/include] [4]
#include "mcld/LD/DiagMips.inc" // NOLINT [build/include] [4]
#undef DIAG
{0, DiagnosticEngine::None, 0, 0}};
static const unsigned int DiagCommonInfoSize =
sizeof(DiagCommonInfo) / sizeof(DiagCommonInfo[0]) - 1;
static const DiagStaticInfo DiagLoCInfo[] = {
#define DIAG(ENUM, CLASS, ADDRDESC, LOCDESC) \
{ diag::ENUM, CLASS, STR_SIZE(LOCDESC, uint16_t), LOCDESC } \
,
#include "mcld/LD/DiagAttribute.inc" // NOLINT [build/include] [4]
#include "mcld/LD/DiagCommonKinds.inc" // NOLINT [build/include] [4]
#include "mcld/LD/DiagReaders.inc" // NOLINT [build/include] [4]
#include "mcld/LD/DiagSymbolResolutions.inc" // NOLINT [build/include] [4]
#include "mcld/LD/DiagRelocations.inc" // NOLINT [build/include] [4]
#include "mcld/LD/DiagLayouts.inc" // NOLINT [build/include] [4]
#include "mcld/LD/DiagGOTPLT.inc" // NOLINT [build/include] [4]
#include "mcld/LD/DiagLDScript.inc" // NOLINT [build/include] [4]
#include "mcld/LD/DiagMips.inc" // NOLINT [build/include] [4]
#undef DIAG
{0, DiagnosticEngine::None, 0, 0}};
static const unsigned int DiagLoCInfoSize =
sizeof(DiagLoCInfo) / sizeof(DiagLoCInfo[0]) - 1;
static const DiagStaticInfo* getDiagInfo(unsigned int pID,
bool pInLoC = false) {
const DiagStaticInfo* static_info = (pInLoC) ? DiagLoCInfo : DiagCommonInfo;
unsigned int info_size = (pInLoC) ? DiagLoCInfoSize : DiagCommonInfoSize;
DiagStaticInfo key = {
static_cast<uint16_t>(pID), DiagnosticEngine::None, 0, 0};
const DiagStaticInfo* result =
std::lower_bound(static_info, static_info + info_size, key);
if (result == (static_info + info_size) || result->ID != pID)
return NULL;
return result;
}
//===----------------------------------------------------------------------===//
// DiagnosticInfos
//===----------------------------------------------------------------------===//
DiagnosticInfos::DiagnosticInfos(const LinkerConfig& pConfig)
: m_Config(pConfig) {
}
DiagnosticInfos::~DiagnosticInfos() {
}
llvm::StringRef DiagnosticInfos::getDescription(unsigned int pID,
bool pInLoC) const {
return getDiagInfo(pID, pInLoC)->getDescription();
}
bool DiagnosticInfos::process(DiagnosticEngine& pEngine) const {
Diagnostic info(pEngine);
unsigned int ID = info.getID();
// we are not implement LineInfo, so keep pIsLoC false.
const DiagStaticInfo* static_info = getDiagInfo(ID);
DiagnosticEngine::Severity severity = static_info->Severity;
switch (ID) {
case diag::multiple_definitions: {
if (m_Config.options().isMulDefs()) {
severity = DiagnosticEngine::Ignore;
}
break;
}
case diag::undefined_reference:
case diag::undefined_reference_text: {
// we have not implement --unresolved-symbols=method yet. So far, MCLinker
// provides the easier --allow-shlib-undefined and --no-undefined (i.e.
// -z defs)
switch (m_Config.codeGenType()) {
case LinkerConfig::Object:
if (m_Config.options().isNoUndefined())
severity = DiagnosticEngine::Error;
else
severity = DiagnosticEngine::Ignore;
break;
case LinkerConfig::DynObj:
if (m_Config.options().isNoUndefined())
severity = DiagnosticEngine::Error;
else
severity = DiagnosticEngine::Ignore;
break;
default:
severity = DiagnosticEngine::Error;
break;
}
break;
}
case diag::debug_print_gc_sections: {
if (!m_Config.options().getPrintGCSections())
severity = DiagnosticEngine::Ignore;
break;
}
default:
break;
} // end of switch
// If --fatal-warnings is turned on, then switch warnings and errors to fatal
if (m_Config.options().isFatalWarnings()) {
if (severity == DiagnosticEngine::Warning ||
severity == DiagnosticEngine::Error) {
severity = DiagnosticEngine::Fatal;
}
}
// finally, report it.
pEngine.getPrinter()->handleDiagnostic(severity, info);
return true;
}
} // namespace mcld
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