clang  3.9.0
Macros | Enumerations | Functions
SanitizerArgs.cpp File Reference
#include "clang/Driver/SanitizerArgs.h"
#include "Tools.h"
#include "clang/Basic/Sanitizers.h"
#include "clang/Driver/Driver.h"
#include "clang/Driver/DriverDiagnostic.h"
#include "clang/Driver/Options.h"
#include "clang/Driver/ToolChain.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/SpecialCaseList.h"
#include <memory>
#include "clang/Basic/Sanitizers.def"
Include dependency graph for SanitizerArgs.cpp:

Go to the source code of this file.

Macros

#define SANITIZER(NAME, ID)
 
#define SANITIZER_GROUP(NAME, ID, ALIAS)
 
#define SANITIZER(NAME, ID)
 

Enumerations

enum  : SanitizerMask {
  NeedsUbsanRt = Undefined | Integer | CFI, NeedsUbsanCxxRt = Vptr | CFI, NotAllowedWithTrap = Vptr, RequiresPIE = DataFlow,
  NeedsUnwindTables = Address | Thread | Memory | DataFlow, SupportsCoverage = Address | Memory | Leak | Undefined | Integer | DataFlow, RecoverableByDefault = Undefined | Integer, Unrecoverable = Unreachable | Return,
  LegacyFsanitizeRecoverMask = Undefined | Integer, NeedsLTO = CFI, TrappingSupported, TrappingDefault = CFI,
  CFIClasses = CFIVCall | CFINVCall | CFIDerivedCast | CFIUnrelatedCast
}
 
enum  CoverageFeature {
  CoverageFunc = 1 << 0, CoverageBB = 1 << 1, CoverageEdge = 1 << 2, CoverageIndirCall = 1 << 3,
  CoverageTraceBB = 1 << 4, CoverageTraceCmp = 1 << 5, Coverage8bitCounters = 1 << 6, CoverageTracePC = 1 << 7
}
 

Functions

static SanitizerMask parseArgValues (const Driver &D, const llvm::opt::Arg *A, bool DiagnoseErrors)
 Parse a -fsanitize= or -fno-sanitize= argument's values, diagnosing any invalid components. More...
 
static int parseCoverageFeatures (const Driver &D, const llvm::opt::Arg *A)
 Parse -f(no-)?sanitize-coverage= flag values, diagnosing any invalid components. More...
 
static std::string lastArgumentForMask (const Driver &D, const llvm::opt::ArgList &Args, SanitizerMask Mask)
 Produce an argument string from ArgList Args, which shows how it provides some sanitizer kind from Mask. More...
 
static std::string describeSanitizeArg (const llvm::opt::Arg *A, SanitizerMask Mask)
 Produce an argument string from argument A, which shows how it provides a value in Mask. More...
 
static std::string toString (const clang::SanitizerSet &Sanitizers)
 Produce a string containing comma-separated names of sanitizers in Sanitizers set. More...
 
static bool getDefaultBlacklist (const Driver &D, SanitizerMask Kinds, std::string &BLPath)
 
static SanitizerMask setGroupBits (SanitizerMask Kinds)
 Sets group bits for every group that has at least one representative already enabled in Kinds. More...
 
static SanitizerMask parseSanitizeTrapArgs (const Driver &D, const llvm::opt::ArgList &Args)
 
static void addIncludeLinkerOption (const ToolChain &TC, const llvm::opt::ArgList &Args, llvm::opt::ArgStringList &CmdArgs, StringRef SymbolName)
 

Macro Definition Documentation

#define SANITIZER (   NAME,
  ID 
)
#define SANITIZER (   NAME,
  ID 
)
Value:
if (Sanitizers.has(ID)) { \
if (!Res.empty()) \
Res += ","; \
Res += NAME; \
}
const std::string ID
if(T->getSizeExpr()) TRY_TO(TraverseStmt(T-> getSizeExpr()))
#define SANITIZER_GROUP (   NAME,
  ID,
  ALIAS 
)
Value:
if (Kinds & SanitizerKind::ID) \
Kinds |= SanitizerKind::ID##Group;
const std::string ID

Enumeration Type Documentation

anonymous enum : SanitizerMask
Enumerator
NeedsUbsanRt 
NeedsUbsanCxxRt 
NotAllowedWithTrap 
RequiresPIE 
NeedsUnwindTables 
SupportsCoverage 
RecoverableByDefault 
Unrecoverable 
LegacyFsanitizeRecoverMask 
NeedsLTO 
TrappingSupported 
TrappingDefault 
CFIClasses 

Definition at line 28 of file SanitizerArgs.cpp.

Enumerator
CoverageFunc 
CoverageBB 
CoverageEdge 
CoverageIndirCall 
CoverageTraceBB 
CoverageTraceCmp 
Coverage8bitCounters 
CoverageTracePC 

Definition at line 45 of file SanitizerArgs.cpp.

Function Documentation

static void addIncludeLinkerOption ( const ToolChain TC,
const llvm::opt::ArgList &  Args,
llvm::opt::ArgStringList &  CmdArgs,
StringRef  SymbolName 
)
static
std::string describeSanitizeArg ( const llvm::opt::Arg *  A,
SanitizerMask  Mask 
)
static

Produce an argument string from argument A, which shows how it provides a value in Mask.

For instance, the argument "-fsanitize=address,alignment" with mask NeedsUbsanRt would produce "-fsanitize=alignment".

Definition at line 786 of file SanitizerArgs.cpp.

References clang::expandSanitizerGroups(), and clang::parseSanitizerValue().

Referenced by lastArgumentForMask(), and clang::driver::SanitizerArgs::SanitizerArgs().

static bool getDefaultBlacklist ( const Driver D,
SanitizerMask  Kinds,
std::string &  BLPath 
)
static
std::string lastArgumentForMask ( const Driver D,
const llvm::opt::ArgList &  Args,
SanitizerMask  Mask 
)
static

Produce an argument string from ArgList Args, which shows how it provides some sanitizer kind from Mask.

For example, the argument list "-fsanitize=thread,vptr -fsanitize=address" with mask NeedsUbsanRt would produce "-fsanitize=vptr".

Definition at line 766 of file SanitizerArgs.cpp.

References describeSanitizeArg(), E, clang::expandSanitizerGroups(), I, and parseArgValues().

Referenced by clang::driver::SanitizerArgs::addArgs(), and clang::driver::SanitizerArgs::SanitizerArgs().

SanitizerMask parseArgValues ( const Driver D,
const llvm::opt::Arg *  A,
bool  DiagnoseErrors 
)
static

Parse a -fsanitize= or -fno-sanitize= argument's values, diagnosing any invalid components.

Returns a SanitizerMask.

Definition at line 709 of file SanitizerArgs.cpp.

References clang::driver::Driver::Diag(), and clang::parseSanitizerValue().

Referenced by lastArgumentForMask(), parseSanitizeTrapArgs(), and clang::driver::SanitizerArgs::SanitizerArgs().

int parseCoverageFeatures ( const Driver D,
const llvm::opt::Arg *  A 
)
static

Parse -f(no-)?sanitize-coverage= flag values, diagnosing any invalid components.

Returns OR of members of CoverageFeature enumeration.

Definition at line 742 of file SanitizerArgs.cpp.

References Coverage8bitCounters, CoverageBB, CoverageEdge, CoverageFunc, CoverageIndirCall, CoverageTraceBB, CoverageTraceCmp, CoverageTracePC, and clang::driver::Driver::Diag().

Referenced by clang::driver::SanitizerArgs::SanitizerArgs().

static SanitizerMask parseSanitizeTrapArgs ( const Driver D,
const llvm::opt::ArgList &  Args 
)
static
static SanitizerMask setGroupBits ( SanitizerMask  Kinds)
static

Sets group bits for every group that has at least one representative already enabled in Kinds.

Definition at line 109 of file SanitizerArgs.cpp.

Referenced by parseSanitizeTrapArgs(), and clang::driver::SanitizerArgs::SanitizerArgs().

static std::string toString ( const clang::SanitizerSet Sanitizers)
static

Produce a string containing comma-separated names of sanitizers in Sanitizers set.

Definition at line 579 of file SanitizerArgs.cpp.

Referenced by clang::driver::SanitizerArgs::addArgs(), parseSanitizeTrapArgs(), and clang::driver::SanitizerArgs::SanitizerArgs().