ROSE  0.9.11.42
BinaryCallingConvention.h
1 #ifndef ROSE_BinaryAnalysis_CallingConvention_H
2 #define ROSE_BinaryAnalysis_CallingConvention_H
3 
4 #include <BaseSemantics2.h>
5 #include <BinaryStackVariable.h>
6 #include <Partitioner2/BasicTypes.h>
7 #include <RegisterParts.h>
8 
9 #include <boost/serialization/access.hpp>
10 #include <boost/serialization/set.hpp>
11 #include <boost/serialization/string.hpp>
12 #include <boost/serialization/vector.hpp>
13 #include <Sawyer/SharedObject.h>
14 #include <Sawyer/SharedPointer.h>
15 
16 namespace Rose {
17 namespace BinaryAnalysis {
18 
19 // Forwards
20 class Disassembler;
21 
32 namespace CallingConvention {
33 
37 void initDiagnostics();
38 
43 
45 // Miscellaneous small types
47 
53 };
54 
59 };
60 
66 };
67 
68 
70 // ParameterLocation
72 
82  #undef ABSOLUTE
84 public:
86  enum Type {
91  };
92 
93 private:
94  Type type_;
95  RegisterDescriptor reg_; // The argument register, or the stack base register.
96  union {
97  int64_t offset_; // Offset from stack base register for stack-based locations.
98  rose_addr_t va_; // Absolute address
99  };
100 
101 #ifdef ROSE_HAVE_BOOST_SERIALIZATION_LIB
102 private:
103  friend class boost::serialization::access;
104 
105  template<class S>
106  void serialize(S &s, const unsigned /*version*/) {
107  s & BOOST_SERIALIZATION_NVP(type_);
108  s & BOOST_SERIALIZATION_NVP(reg_);
109  if (STACK==type_) {
110  s & BOOST_SERIALIZATION_NVP(offset_);
111  } else {
112  s & BOOST_SERIALIZATION_NVP(va_);
113  }
114  }
115 #endif
116 
117 public:
124  : type_(NO_LOCATION), offset_(0) {}
125 
128  : type_(REGISTER), reg_(reg), offset_(0) {}
129 
132  : type_(STACK), reg_(reg), offset_(offset) {}
133 
135  explicit ParameterLocation(rose_addr_t va)
136  : type_(ABSOLUTE), va_(va) {}
137 
139  Type type() const { return type_; }
140 
144  bool isValid() const {
145  return type() != NO_LOCATION;
146  }
147 
154  return reg_;
155  }
156 
162  int64_t offset() const {
163  return STACK == type_ ? offset_ : (int64_t)0;
164  }
165 
170  rose_addr_t address() const {
171  return ABSOLUTE == type_ ? va_ : (rose_addr_t)0;
172  }
173 
177  bool operator==(const ParameterLocation &other) const {
178  return type_ == other.type_ && reg_ == other.reg_ && offset_ == other.offset_; // &va_ == &offset_
179  }
180 
184  bool operator!=(const ParameterLocation &other) const {
185  return type_ != other.type_ || reg_ != other.reg_ || offset_ != other.offset_; // &va_ == &offset_
186  }
187 
191  void print(std::ostream &out, const RegisterDictionary *regdict) const {
192  print(out, RegisterNames(regdict));
193  }
194  void print(std::ostream &out, const RegisterNames &regnames) const {
195  switch (type_) {
196  case NO_LOCATION: out <<"nowhere"; break;
197  case REGISTER: out <<regnames(reg_); break;
198  case STACK: out <<"mem[" <<regnames(reg_) <<"+" <<offset_ <<"]"; break;
199  case ABSOLUTE: out <<"mem[" <<StringUtility::addrToString(va_) <<"]"; break;
200  }
201  }
204 };
205 
206 
208 // Definition
210 
213 
218 public:
221 
222 private:
223  std::string name_; // Official short name of the convention, like "stdcall".
224  std::string comment_; // Long name, like "Windows Borland x86-32 fastcall"
225  size_t wordWidth_; // Natural width word size in bits
226  const RegisterDictionary *regDict_; // Register dictionary used when this definition was created
227  std::vector<ParameterLocation> inputParameters_; // Input (inc. in-out) parameters; additional stack-based are implied
228  std::vector<ParameterLocation> outputParameters_; // Return values and output parameters.
229  StackParameterOrder stackParameterOrder_; // Order of arguments on the stack
230  RegisterDescriptor stackPointerRegister_; // Base pointer for implied stack parameters
231  size_t nonParameterStackSize_; // Size in bytes of non-parameter stack area
232  size_t stackAlignment_; // Stack alignment in bytes (zero means unknown)
233  StackDirection stackDirection_; // Direction that stack grows from a PUSH operation
234  StackCleanup stackCleanup_; // Who cleans up stack parameters?
235  ParameterLocation thisParameter_; // Object pointer for calling conventions that are object methods
236  std::set<RegisterDescriptor> calleeSavedRegisters_; // Register that the callee must restore before returning
237  std::set<RegisterDescriptor> scratchRegisters_; // Caller-saved registers
238 
239 #ifdef ROSE_HAVE_BOOST_SERIALIZATION_LIB
240 private:
241  friend class boost::serialization::access;
242 
243  template<class S>
244  void serialize(S &s, const unsigned /*version*/) {
245  s & BOOST_SERIALIZATION_NVP(name_);
246  s & BOOST_SERIALIZATION_NVP(comment_);
247  s & BOOST_SERIALIZATION_NVP(wordWidth_);
248  s & BOOST_SERIALIZATION_NVP(regDict_);
249  s & BOOST_SERIALIZATION_NVP(inputParameters_);
250  s & BOOST_SERIALIZATION_NVP(outputParameters_);
251  s & BOOST_SERIALIZATION_NVP(stackParameterOrder_);
252  s & BOOST_SERIALIZATION_NVP(stackPointerRegister_);
253  s & BOOST_SERIALIZATION_NVP(nonParameterStackSize_);
254  s & BOOST_SERIALIZATION_NVP(stackAlignment_);
255  s & BOOST_SERIALIZATION_NVP(stackDirection_);
256  s & BOOST_SERIALIZATION_NVP(stackCleanup_);
257  s & BOOST_SERIALIZATION_NVP(thisParameter_);
258  s & BOOST_SERIALIZATION_NVP(calleeSavedRegisters_);
259  s & BOOST_SERIALIZATION_NVP(scratchRegisters_);
260  }
261 #endif
262 
263 protected:
268  : wordWidth_(0), regDict_(NULL), stackParameterOrder_(ORDER_UNSPECIFIED), nonParameterStackSize_(0),
269  stackAlignment_(0), stackDirection_(GROWS_DOWN), stackCleanup_(CLEANUP_UNSPECIFIED) {}
270 
276  Definition(size_t wordWidth, const std::string &name, const std::string &comment, const RegisterDictionary *regDict)
277  : name_(name), comment_(comment), wordWidth_(wordWidth), regDict_(regDict), stackParameterOrder_(ORDER_UNSPECIFIED),
278  nonParameterStackSize_(0), stackAlignment_(0), stackDirection_(GROWS_DOWN), stackCleanup_(CLEANUP_UNSPECIFIED) {
279  ASSERT_require2(0 == (wordWidth & 7) && wordWidth > 0, "word size must be a positive multiple of eight");
280  }
281 
282 public:
284  static Ptr instance(size_t wordWidth, const std::string &name, const std::string &comment, const RegisterDictionary *regs) {
285  return Ptr(new Definition(wordWidth, name, comment, regs));
286  }
287 
288 public:
292  static Ptr x86_32bit_cdecl();
293  static Ptr x86_64bit_cdecl();
294  static Ptr x86_32bit_stdcall();
295  static Ptr x86_64bit_stdcall();
296  static Ptr x86_32bit_fastcall();
297  static Ptr x86_64bit_sysv();
298  static Ptr ppc_32bit_ibm();
304  static Ptr x86_cdecl(const RegisterDictionary*);
305  static Ptr x86_stdcall(const RegisterDictionary*);
306  static Ptr x86_fastcall(const RegisterDictionary*);
307  static Ptr ppc_ibm(const RegisterDictionary*);
315  const RegisterDictionary* registerDictionary() const { return regDict_; }
316  void registerDictionary(const RegisterDictionary *d) { regDict_ = d; }
327  const std::string& name() const { return name_; }
328  void name(const std::string &s) { name_ = s; }
338  const std::string& comment() const { return comment_; }
339  void comment(const std::string &s) { comment_ = s; }
351  size_t wordWidth() const { return wordWidth_; }
352  void wordWidth(size_t nBits) {
353  ASSERT_require2(nBits > 0 && 0 == (nBits & 7), "word size must be a positive multiple of eight");
354  wordWidth_ = nBits;
355  }
364  thisParameter_ = ParameterLocation();
365  }
366 
371  const std::vector<ParameterLocation>& inputParameters() const { return inputParameters_; }
372 
375 
380  void clearInputParameters() { inputParameters_.clear(); }
381 
391  }
392  void appendInputParameter(RegisterDescriptor reg, int64_t offset) {
394  }
395  void appendInputParameter(rose_addr_t va) {
397  }
404  const std::vector<ParameterLocation>& outputParameters() const { return outputParameters_; }
405 
408 
413  void clearOutputParameters() { outputParameters_.clear(); }
414 
426  }
427  void appendOutputParameter(RegisterDescriptor reg, int64_t offset) {
429  }
430  void appendOutputParameter(rose_addr_t va) {
432  }
445  StackParameterOrder stackParameterOrder() const { return stackParameterOrder_; }
446  void stackParameterOrder(StackParameterOrder x) { stackParameterOrder_ = x; }
456  const RegisterDescriptor stackPointerRegister() const { return stackPointerRegister_; }
457  void stackPointerRegister(RegisterDescriptor r) { stackPointerRegister_ = r; }
467  size_t nonParameterStackSize() const {
468  return nonParameterStackSize_;
469  }
470  void nonParameterStackSize(size_t nBytes) {
471  nonParameterStackSize_ = nBytes;
472  }
482  StackDirection stackDirection() const { return stackDirection_; }
483  void stackDirection(StackDirection x) { stackDirection_ = x; }
493  StackCleanup stackCleanup() const { return stackCleanup_; }
494  void stackCleanup(StackCleanup x) { stackCleanup_ = x; }
503  size_t stackAlignment() const { return stackAlignment_; }
504  void stackAlignment(size_t nBytes) { stackAlignment_ = nBytes; }
521  const ParameterLocation& thisParameter() const { return thisParameter_; }
522  void thisParameter(const ParameterLocation &x) { thisParameter_ = x; }
525  }
526  void thisParameter(RegisterDescriptor reg, int64_t offset) {
527  thisParameter(ParameterLocation(reg, offset));
528  }
529  void thisParameter(rose_addr_t va) {
531  }
545  const std::set<RegisterDescriptor>& calleeSavedRegisters() const { return calleeSavedRegisters_; }
546  std::set<RegisterDescriptor>& calleeSavedRegisters() { return calleeSavedRegisters_; }
551 
559  const std::set<RegisterDescriptor>& scratchRegisters() const { return scratchRegisters_; }
560  std::set<RegisterDescriptor>& scratchRegisters() { return scratchRegisters_; }
565 
576 
581  void print(std::ostream&, const RegisterDictionary *regDict = NULL) const;
582 };
583 
584 
586 // Dictionary
588 
590 typedef std::vector<Definition::Ptr> Dictionary;
591 
593 const Dictionary& dictionaryAmd64();
594 
596 const Dictionary& dictionaryArm();
597 
599 const Dictionary& dictionaryM68k();
600 
602 const Dictionary& dictionaryMips();
603 
605 const Dictionary& dictionaryPowerpc();
606 
608 const Dictionary& dictionaryX86();
609 
610 
612 // Analysis
614 
618 class Analysis {
619 private:
621  const RegisterDictionary *regDict_; // Names for the register parts
622  Definition::Ptr defaultCc_; // Default calling convention for called functions
623 
624  bool hasResults_; // Are the following data members initialized?
625  bool didConverge_; // Are the following data members valid (else only approximations)?
626  RegisterParts restoredRegisters_; // Registers accessed but restored
627  RegisterParts inputRegisters_; // Registers that serve as possible input parameters
628  RegisterParts outputRegisters_; // Registers that hold possible return values
629  StackVariables inputStackParameters_; // Stack variables serving as function inputs
630  StackVariables outputStackParameters_; // Stack variables serving as possible return values
631  Sawyer::Optional<int64_t> stackDelta_; // Change in stack across entire function
632  // Don't forget to update clearResults() and serialize() if you add more.
633 
634 #ifdef ROSE_HAVE_BOOST_SERIALIZATION_LIB
635 private:
636  friend class boost::serialization::access;
637 
638  template<class S>
639  void serialize(S &s, const unsigned /*version*/) {
640  s & BOOST_SERIALIZATION_NVP(cpu_);
641  s & BOOST_SERIALIZATION_NVP(regDict_);
642  s & BOOST_SERIALIZATION_NVP(defaultCc_);
643  s & BOOST_SERIALIZATION_NVP(hasResults_);
644  s & BOOST_SERIALIZATION_NVP(didConverge_);
645  s & BOOST_SERIALIZATION_NVP(restoredRegisters_);
646  s & BOOST_SERIALIZATION_NVP(inputRegisters_);
647  s & BOOST_SERIALIZATION_NVP(outputRegisters_);
648  s & BOOST_SERIALIZATION_NVP(inputStackParameters_);
649  s & BOOST_SERIALIZATION_NVP(outputStackParameters_);
650  s & BOOST_SERIALIZATION_NVP(stackDelta_);
651  }
652 #endif
653 
654 public:
661  : regDict_(NULL), hasResults_(false), didConverge_(false) {}
662 
666  explicit Analysis(Disassembler *d)
667  : regDict_(NULL), hasResults_(false), didConverge_(false) {
668  init(d);
669  }
670 
678  : cpu_(cpu), regDict_(NULL), hasResults_(false), didConverge_(false) {}
679 
687  Definition::Ptr defaultCallingConvention() const { return defaultCc_; }
688  void defaultCallingConvention(const Definition::Ptr &x) { defaultCc_ = x; }
697 
702  bool hasResults() const { return hasResults_; }
703 
708  bool didConverge() const { return didConverge_; }
709 
714  void clearResults();
715 
720  void clearNonResults();
721 
729  const RegisterDictionary* registerDictionary() const { return regDict_; }
730  void registerDictionary(const RegisterDictionary *d) { regDict_ = d; }
737  const RegisterParts& calleeSavedRegisters() const { return restoredRegisters_; }
738 
743  const RegisterParts& inputRegisters() const { return inputRegisters_; }
744 
749  const RegisterParts& outputRegisters() const { return outputRegisters_; }
750 
754  const StackVariables& inputStackParameters() const { return inputStackParameters_; }
755 
759  const StackVariables& outputStackParameters() const { return outputStackParameters_; }
760 
765  Sawyer::Optional<int64_t> stackDelta() const { return stackDelta_; }
766 
770  bool match(const Definition::Ptr&) const;
771 
777  Dictionary match(const Dictionary&) const;
778 
783  void print(std::ostream&, bool multiLine=false) const;
784 
785 private:
786  // Finish constructing
787  void init(Disassembler*);
788 
789  // Recompute the restoredRegisters_ data member.
790  void updateRestoredRegisters(const InstructionSemantics2::BaseSemantics::StatePtr &initialState,
792 
793  // Recompute the inputRegisters_ data member after updateRestoredRegisters is computed.
794  void updateInputRegisters(const InstructionSemantics2::BaseSemantics::StatePtr &state);
795 
796  // Recompute the outputRegisters_ data member after updateRestoredRegisters is computed.
797  void updateOutputRegisters(const InstructionSemantics2::BaseSemantics::StatePtr &state);
798 
799  // Recompute the input and output stack variables
800  void updateStackParameters(const InstructionSemantics2::BaseSemantics::StatePtr &initialState,
802 
803  // Recomputes the stack delta
804  void updateStackDelta(const InstructionSemantics2::BaseSemantics::StatePtr &initialState,
806 };
807 
809 // Free functions
811 
812 std::ostream& operator<<(std::ostream&, const Definition&);
813 std::ostream& operator<<(std::ostream&, const Analysis&);
814 
815 } // namespace
816 } // namespace
817 } // namespace
818 
819 #endif
void print(std::ostream &out, const RegisterNames &regnames) const
Print location.
void thisParameter(rose_addr_t va)
Property: Object pointer parameter.
size_t wordWidth() const
Property: Word size in bits.
const Dictionary & dictionaryX86()
Common calling conventions for 32-bit x86.
const std::vector< ParameterLocation > & outputParameters() const
Property: List of output parameters.
void registerDictionary(const RegisterDictionary *d)
Property: Register dictionary.
StackParameterOrder stackParameterOrder() const
Property: Stack parameter order.
size_t stackAlignment() const
Property: Stack alignment.
const Dictionary & dictionaryM68k()
Common calling conventions for m68k.
void print(std::ostream &out, const RegisterDictionary *regdict) const
Print location.
StackDirection stackDirection() const
Property: Direction that stack grows for a push operation.
The called function pops all stack parameters.
void wordWidth(size_t nBits)
Property: Word size in bits.
void stackDirection(StackDirection x)
Property: Direction that stack grows for a push operation.
void appendInputParameter(const ParameterLocation &)
Append input parameter.
const Dictionary & dictionaryArm()
Common calling conventions for ARM.
std::vector< StackVariable > StackVariables
Multiple stack variables.
RegisterDescriptor reg() const
Register part of location.
static Ptr x86_32bit_cdecl()
Returns a predefined, cached calling convention.
const RegisterDictionary * registerDictionary() const
Property: Register dictionary.
void appendOutputParameter(rose_addr_t va)
Append output parameter.
Sawyer::SharedPointer< class Definition > DefinitionPtr
Reference counting pointer to calling convention definition.
void registerDictionary(const RegisterDictionary *d)
Property: Register dictionary.
Collection of streams.
Definition: Message.h:1579
static Ptr x86_32bit_stdcall()
Allocating constructor.
static Ptr ppc_32bit_ibm()
Allocating constructor.
void thisParameter(RegisterDescriptor reg, int64_t offset)
Property: Object pointer parameter.
ParameterLocation(RegisterDescriptor reg)
Constructs a parameter in a register location.
ParameterLocation(RegisterDescriptor reg, int64_t offset)
Constructs a parameter at a register-relative memory address.
void thisParameter(const ParameterLocation &x)
Property: Object pointer parameter.
StackDirection
The direction in which the stack grows.
Analysis(Disassembler *d)
Construct an analyzer using a specified disassembler.
bool operator!=(const ParameterLocation &other) const
Inequality.
const Dictionary & dictionaryAmd64()
Common calling conventions for amd64 (x86-64).
void appendInputParameter(rose_addr_t va)
Append input parameter.
Definition::Ptr defaultCallingConvention() const
Property: Default calling convention.
void thisParameter(RegisterDescriptor reg)
Property: Object pointer parameter.
void stackCleanup(StackCleanup x)
Property: Who pops stack parameters.
rose_addr_t address() const
Fixed address location.
Main namespace for the ROSE library.
RegisterParts inputRegisterParts() const
Compute the set of input registers.
RegisterParts scratchRegisterParts() const
Computes the set of scratch registers.
Holds a set of registers without regard for register boundaries.
Definition: RegisterParts.h:25
StackCleanup stackCleanup() const
Property: Who pops stack parameters.
static Ptr x86_fastcall(const RegisterDictionary *)
Constructs a new pre-defined calling convention based on a register dictionary.
Sawyer::Optional< int64_t > stackDelta() const
Concrete stack delta.
bool hasResults() const
Whether a function has been analyzed.
Sawyer::SharedPointer< Definition > Ptr
Reference counting pointer to calling convention definition.
const ParameterLocation & thisParameter() const
Property: Object pointer parameter.
boost::shared_ptr< class State > StatePtr
Shared-ownership pointer to a semantic state.
void comment(const std::string &s)
Property: Full name of calling convention.
const RegisterParts & calleeSavedRegisters() const
Callee-saved registers.
void stackParameterOrder(StackParameterOrder x)
Property: Stack parameter order.
const RegisterParts & inputRegisters() const
Input registers.
boost::shared_ptr< class Dispatcher > DispatcherPtr
Shared-ownership pointer to a semantics instruction dispatcher.
void print(std::ostream &, bool multiLine=false) const
Print information about the analysis results.
bool operator==(const ParameterLocation &other) const
Equality.
std::vector< Definition::Ptr > Dictionary
A ordered collection of calling convention definitions.
const Dictionary & dictionaryMips()
Common calling conventions for MIPS.
void appendOutputParameter(const ParameterLocation &)
Append output parameter.
static Ptr x86_cdecl(const RegisterDictionary *)
Constructs a new pre-defined calling convention based on a register dictionary.
static Ptr instance(size_t wordWidth, const std::string &name, const std::string &comment, const RegisterDictionary *regs)
Allocating constructor.
const std::set< RegisterDescriptor > & calleeSavedRegisters() const
Property: Callee-saved registers.
Describes (part of) a physical CPU register.
void appendInputParameter(RegisterDescriptor reg)
Append input parameter.
ROSE_UTIL_API std::string addrToString(uint64_t value, size_t nbits=0)
Convert a virtual address to a string.
void nonParameterStackSize(size_t nBytes)
Property: Size of non-parameter stack area.
StackParameterOrder
The order that arguments are pushed onto the stack.
bool isValid() const
Predicate to determine if location is valid.
bool didConverge() const
Whether the analysis results are valid.
std::set< RegisterDescriptor > & scratchRegisters()
Property: Scratch registers.
Sawyer::Message::Facility mlog
Facility for diagnostic output.
Prints a register name even when no dictionary is available or when the dictionary doesn't contain an...
Definition: Registers.h:357
void appendInputParameter(RegisterDescriptor reg, int64_t offset)
Append input parameter.
void analyzeFunction(const Partitioner2::Partitioner &, const Sawyer::SharedPointer< Partitioner2::Function > &)
Analyze one function.
void print(std::ostream &, const RegisterDictionary *regDict=NULL) const
Print detailed information about this calling convention.
size_t nonParameterStackSize() const
Property: Size of non-parameter stack area.
Analysis(const InstructionSemantics2::BaseSemantics::DispatcherPtr &cpu)
Construct an analysis using a specified dispatcher.
static Ptr x86_stdcall(const RegisterDictionary *)
Constructs a new pre-defined calling convention based on a register dictionary.
RegisterParts outputRegisterParts() const
Computes the set of output registers.
bool match(const Definition::Ptr &) const
Determine whether a definition matches.
const RegisterDescriptor stackPointerRegister() const
Property: Register for implied stack parameters.
RegisterParts getUsedRegisterParts() const
Returns all registers mentioned in this definition.
const RegisterParts & outputRegisters() const
Output registers.
static Ptr x86_64bit_cdecl()
Allocating constructor.
void name(const std::string &s)
Property: Short name of calling convention.
Stack parameters pushed left to right (Pascal order).
ParameterLocation(rose_addr_t va)
Constructs a parameter at a fixed memory address.
StackCleanup
Who is responsible for popping stack parameters.
const RegisterDictionary * registerDictionary() const
Property: Register dictionary.
Base class for reference counted objects.
Definition: SharedObject.h:64
void clearNonResults()
Clears everything but results.
void initDiagnostics()
Initialize diagnostics.
void clearResults()
Clear analysis results.
const std::vector< ParameterLocation > & inputParameters() const
Property: Enumerated input parameters.
Stack parameters pushed right to left (C order).
void clearInputParameters()
Erase enumerated input parameters.
void appendOutputParameter(RegisterDescriptor reg)
Append output parameter.
const std::string & name() const
Property: Short name of calling convention.
void stackAlignment(size_t nBytes)
Property: Stack alignment.
const Dictionary & dictionaryPowerpc()
Common calling conventions for PowerPC.
Stack parameter cleanup is unknown or unspecified.
Definition(size_t wordWidth, const std::string &name, const std::string &comment, const RegisterDictionary *regDict)
Allocating constructor.
Defines registers available for a particular architecture.
Definition: Registers.h:35
Stack parameter order is unknown or unspecified.
const StackVariables & inputStackParameters() const
Input stack parameters.
RegisterParts calleeSavedRegisterParts() const
Compute the set of callee-saved registers.
void defaultCallingConvention(const Definition::Ptr &x)
Property: Default calling convention.
const std::string & comment() const
Property: Full name of calling convention.
const std::set< RegisterDescriptor > & scratchRegisters() const
Property: Scratch registers.
static Ptr x86_32bit_fastcall()
Allocating constructor.
Partitions instructions into basic blocks and functions.
Definition: Partitioner.h:293
static Ptr x86_64bit_sysv()
Allocating constructor.
Virtual base class for instruction disassemblers.
Definition: Disassembler.h:48
const StackVariables & outputStackParameters() const
Output stack parameters.
static Ptr x86_64bit_stdcall()
Allocating constructor.
std::set< RegisterDescriptor > & calleeSavedRegisters()
Property: Callee-saved registers.
static Ptr ppc_ibm(const RegisterDictionary *)
Constructs a new pre-defined calling convention based on a register dictionary.
void stackPointerRegister(RegisterDescriptor r)
Property: Register for implied stack parameters.
void appendOutputParameter(RegisterDescriptor reg, int64_t offset)
Append output parameter.