//===-- Scalar.cpp ----------------------------------------------*- C++ -*-===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #include "lldb/Core/Scalar.h" #include #include #include "lldb/Interpreter/Args.h" #include "lldb/Core/Error.h" #include "lldb/Core/Stream.h" #include "lldb/Core/DataExtractor.h" #include "lldb/Host/Endian.h" #include "Plugins/Process/Utility/InstructionUtils.h" using namespace lldb; using namespace lldb_private; //---------------------------------------------------------------------- // Promote to max type currently follows the ANSI C rule for type // promotion in expressions. //---------------------------------------------------------------------- static Scalar::Type PromoteToMaxType ( const Scalar& lhs, // The const left hand side object const Scalar& rhs, // The const right hand side object Scalar& temp_value, // A modifiable temp value than can be used to hold either the promoted lhs or rhs object const Scalar* &promoted_lhs_ptr, // Pointer to the resulting possibly promoted value of lhs (at most one of lhs/rhs will get promoted) const Scalar* &promoted_rhs_ptr // Pointer to the resulting possibly promoted value of rhs (at most one of lhs/rhs will get promoted) ) { Scalar result; // Initialize the promoted values for both the right and left hand side values // to be the objects themselves. If no promotion is needed (both right and left // have the same type), then the temp_value will not get used. promoted_lhs_ptr = &lhs; promoted_rhs_ptr = &rhs; // Extract the types of both the right and left hand side values Scalar::Type lhs_type = lhs.GetType(); Scalar::Type rhs_type = rhs.GetType(); if (lhs_type > rhs_type) { // Right hand side need to be promoted temp_value = rhs; // Copy right hand side into the temp value if (temp_value.Promote(lhs_type)) // Promote it promoted_rhs_ptr = &temp_value; // Update the pointer for the promoted right hand side } else if (lhs_type < rhs_type) { // Left hand side need to be promoted temp_value = lhs; // Copy left hand side value into the temp value if (temp_value.Promote(rhs_type)) // Promote it promoted_lhs_ptr = &temp_value; // Update the pointer for the promoted left hand side } // Make sure our type promotion worked as exptected if (promoted_lhs_ptr->GetType() == promoted_rhs_ptr->GetType()) return promoted_lhs_ptr->GetType(); // Return the resulting max type // Return the void type (zero) if we fail to promote either of the values. return Scalar::e_void; } //---------------------------------------------------------------------- // Scalar constructor //---------------------------------------------------------------------- Scalar::Scalar() : m_type(e_void), m_data() { } //---------------------------------------------------------------------- // Scalar copy constructor //---------------------------------------------------------------------- Scalar::Scalar(const Scalar& rhs) : m_type(rhs.m_type), m_data(rhs.m_data) // TODO: verify that for C++ this will correctly copy the union?? { } //Scalar::Scalar(const RegisterValue& reg) : // m_type(e_void), // m_data() //{ // switch (reg.info.encoding) // { // case eEncodingUint: // unsigned integer // switch (reg.info.byte_size) // { // case 1: m_type = e_uint; m_data.uint = reg.value.uint8; break; // case 2: m_type = e_uint; m_data.uint = reg.value.uint16; break; // case 4: m_type = e_uint; m_data.uint = reg.value.uint32; break; // case 8: m_type = e_ulonglong; m_data.ulonglong = reg.value.uint64; break; // break; // } // break; // // case eEncodingSint: // signed integer // switch (reg.info.byte_size) // { // case 1: m_type = e_sint; m_data.sint = reg.value.sint8; break; // case 2: m_type = e_sint; m_data.sint = reg.value.sint16; break; // case 4: m_type = e_sint; m_data.sint = reg.value.sint32; break; // case 8: m_type = e_slonglong; m_data.slonglong = reg.value.sint64; break; // break; // } // break; // // case eEncodingIEEE754: // float // switch (reg.info.byte_size) // { // case 4: m_type = e_float; m_data.flt = reg.value.float32; break; // case 8: m_type = e_double; m_data.dbl = reg.value.float64; break; // break; // } // break; // case eEncodingVector: // vector registers // break; // } //} bool Scalar::GetData (DataExtractor &data, size_t limit_byte_size) const { size_t byte_size = GetByteSize(); if (byte_size > 0) { if (limit_byte_size < byte_size) { if (lldb::endian::InlHostByteOrder() == eByteOrderLittle) { // On little endian systems if we want fewer bytes from the // current type we just specify fewer bytes since the LSByte // is first... data.SetData((uint8_t*)&m_data, limit_byte_size, lldb::endian::InlHostByteOrder()); } else if (lldb::endian::InlHostByteOrder() == eByteOrderBig) { // On big endian systems if we want fewer bytes from the // current type have to advance our initial byte pointer and // trim down the number of bytes since the MSByte is first data.SetData(((uint8_t*)&m_data) + byte_size - limit_byte_size, limit_byte_size, lldb::endian::InlHostByteOrder()); } } else { // We want all of the data data.SetData((uint8_t*)&m_data, byte_size, lldb::endian::InlHostByteOrder()); } return true; } data.Clear(); return false; } size_t Scalar::GetByteSize() const { switch (m_type) { case e_void: break; case e_sint: return sizeof(m_data.sint); case e_uint: return sizeof(m_data.uint); case e_slong: return sizeof(m_data.slong); case e_ulong: return sizeof(m_data.ulong); case e_slonglong: return sizeof(m_data.slonglong); case e_ulonglong: return sizeof(m_data.ulonglong); case e_float: return sizeof(m_data.flt); case e_double: return sizeof(m_data.dbl); case e_long_double: return sizeof(m_data.ldbl); } return 0; } bool Scalar::IsZero() const { switch (m_type) { case e_void: break; case e_sint: return m_data.sint == 0; case e_uint: return m_data.uint == 0; case e_slong: return m_data.slong == 0; case e_ulong: return m_data.ulong == 0; case e_slonglong: return m_data.slonglong == 0; case e_ulonglong: return m_data.ulonglong == 0; case e_float: return m_data.flt == 0.0f; case e_double: return m_data.dbl == 0.0; case e_long_double: return m_data.ldbl == 0.0; } return false; } void Scalar::GetValue (Stream *s, bool show_type) const { if (show_type) s->Printf("(%s) ", GetTypeAsCString()); switch (m_type) { case e_void: break; case e_sint: s->Printf("%i", m_data.sint); break; case e_uint: s->Printf("0x%8.8x", m_data.uint); break; case e_slong: s->Printf("%li", m_data.slong); break; case e_ulong: s->Printf("0x%8.8lx", m_data.ulong); break; case e_slonglong: s->Printf("%lli", m_data.slonglong); break; case e_ulonglong: s->Printf("0x%16.16llx", m_data.ulonglong); break; case e_float: s->Printf("%f", m_data.flt); break; case e_double: s->Printf("%g", m_data.dbl); break; case e_long_double: s->Printf("%Lg", m_data.ldbl); break; } } const char * Scalar::GetTypeAsCString() const { switch (m_type) { case e_void: return "void"; case e_sint: return "int"; case e_uint: return "unsigned int"; case e_slong: return "long"; case e_ulong: return "unsigned long"; case e_slonglong: return "long long"; case e_ulonglong: return "unsigned long long"; case e_float: return "float"; case e_double: return "double"; case e_long_double: return "long double"; } return ""; } //---------------------------------------------------------------------- // Scalar copy constructor //---------------------------------------------------------------------- Scalar& Scalar::operator=(const Scalar& rhs) { if (this != &rhs) { m_type = rhs.m_type; ::memcpy (&m_data, &rhs.m_data, sizeof(m_data)); } return *this; } Scalar& Scalar::operator= (const int v) { m_type = e_sint; m_data.sint = v; return *this; } Scalar& Scalar::operator= (unsigned int v) { m_type = e_uint; m_data.uint = v; return *this; } Scalar& Scalar::operator= (long v) { m_type = e_slong; m_data.slong = v; return *this; } Scalar& Scalar::operator= (unsigned long v) { m_type = e_ulong; m_data.ulong = v; return *this; } Scalar& Scalar::operator= (long long v) { m_type = e_slonglong; m_data.slonglong = v; return *this; } Scalar& Scalar::operator= (unsigned long long v) { m_type = e_ulonglong; m_data.ulonglong = v; return *this; } Scalar& Scalar::operator= (float v) { m_type = e_float; m_data.flt = v; return *this; } Scalar& Scalar::operator= (double v) { m_type = e_double; m_data.dbl = v; return *this; } Scalar& Scalar::operator= (long double v) { m_type = e_long_double; m_data.ldbl = v; return *this; } //---------------------------------------------------------------------- // Destructor //---------------------------------------------------------------------- Scalar::~Scalar() { } bool Scalar::Promote(Scalar::Type type) { bool success = false; switch (m_type) { case e_void: break; case e_sint: switch (type) { case e_void: break; case e_sint: success = true; break; case e_uint: m_data.uint = m_data.sint; success = true; break; case e_slong: m_data.slong = m_data.sint; success = true; break; case e_ulong: m_data.ulong = m_data.sint; success = true; break; case e_slonglong: m_data.slonglong = m_data.sint; success = true; break; case e_ulonglong: m_data.ulonglong = m_data.sint; success = true; break; case e_float: m_data.flt = m_data.sint; success = true; break; case e_double: m_data.dbl = m_data.sint; success = true; break; case e_long_double: m_data.ldbl = m_data.sint; success = true; break; } break; case e_uint: switch (type) { case e_void: case e_sint: break; case e_uint: success = true; break; case e_slong: m_data.slong = m_data.uint; success = true; break; case e_ulong: m_data.ulong = m_data.uint; success = true; break; case e_slonglong: m_data.slonglong = m_data.uint; success = true; break; case e_ulonglong: m_data.ulonglong = m_data.uint; success = true; break; case e_float: m_data.flt = m_data.uint; success = true; break; case e_double: m_data.dbl = m_data.uint; success = true; break; case e_long_double: m_data.ldbl = m_data.uint; success = true; break; } break; case e_slong: switch (type) { case e_void: case e_sint: case e_uint: break; case e_slong: success = true; break; case e_ulong: m_data.ulong = m_data.slong; success = true; break; case e_slonglong: m_data.slonglong = m_data.slong; success = true; break; case e_ulonglong: m_data.ulonglong = m_data.slong; success = true; break; case e_float: m_data.flt = m_data.slong; success = true; break; case e_double: m_data.dbl = m_data.slong; success = true; break; case e_long_double: m_data.ldbl = m_data.slong; success = true; break; } break; case e_ulong: switch (type) { case e_void: case e_sint: case e_uint: case e_slong: break; case e_ulong: success = true; break; case e_slonglong: m_data.slonglong = m_data.ulong; success = true; break; case e_ulonglong: m_data.ulonglong = m_data.ulong; success = true; break; case e_float: m_data.flt = m_data.ulong; success = true; break; case e_double: m_data.dbl = m_data.ulong; success = true; break; case e_long_double: m_data.ldbl = m_data.ulong; success = true; break; } break; case e_slonglong: switch (type) { case e_void: case e_sint: case e_uint: case e_slong: case e_ulong: break; case e_slonglong: success = true; break; case e_ulonglong: m_data.ulonglong = m_data.slonglong; success = true; break; case e_float: m_data.flt = m_data.slonglong; success = true; break; case e_double: m_data.dbl = m_data.slonglong; success = true; break; case e_long_double: m_data.ldbl = m_data.slonglong; success = true; break; } break; case e_ulonglong: switch (type) { case e_void: case e_sint: case e_uint: case e_slong: case e_ulong: case e_slonglong: break; case e_ulonglong: success = true; break; case e_float: m_data.flt = m_data.ulonglong; success = true; break; case e_double: m_data.dbl = m_data.ulonglong; success = true; break; case e_long_double: m_data.ldbl = m_data.ulonglong; success = true; break; } break; case e_float: switch (type) { case e_void: case e_sint: case e_uint: case e_slong: case e_ulong: case e_slonglong: case e_ulonglong: break; case e_float: success = true; break; case e_double: m_data.dbl = m_data.flt; success = true; break; case e_long_double: m_data.ldbl = m_data.ulonglong; success = true; break; } break; case e_double: switch (type) { case e_void: case e_sint: case e_uint: case e_slong: case e_ulong: case e_slonglong: case e_ulonglong: case e_float: break; case e_double: success = true; break; case e_long_double: m_data.ldbl = m_data.dbl; success = true; break; } break; case e_long_double: switch (type) { case e_void: case e_sint: case e_uint: case e_slong: case e_ulong: case e_slonglong: case e_ulonglong: case e_float: case e_double: break; case e_long_double: success = true; break; } break; } if (success) m_type = type; return success; } const char * Scalar::GetValueTypeAsCString (Scalar::Type type) { switch (type) { case e_void: return "void"; case e_sint: return "int"; case e_uint: return "unsigned int"; case e_slong: return "long"; case e_ulong: return "unsigned long"; case e_slonglong: return "long long"; case e_ulonglong: return "unsigned long long"; case e_float: return "float"; case e_double: return "double"; case e_long_double: return "long double"; } return "???"; } Scalar::Type Scalar::GetValueTypeForSignedIntegerWithByteSize (size_t byte_size) { if (byte_size <= sizeof(sint_t)) return e_sint; if (byte_size <= sizeof(slong_t)) return e_slong; if (byte_size <= sizeof(slonglong_t)) return e_slonglong; return e_void; } Scalar::Type Scalar::GetValueTypeForUnsignedIntegerWithByteSize (size_t byte_size) { if (byte_size <= sizeof(uint_t)) return e_uint; if (byte_size <= sizeof(ulong_t)) return e_ulong; if (byte_size <= sizeof(ulonglong_t)) return e_ulonglong; return e_void; } Scalar::Type Scalar::GetValueTypeForFloatWithByteSize (size_t byte_size) { if (byte_size == sizeof(float_t)) return e_float; if (byte_size == sizeof(double_t)) return e_double; if (byte_size == sizeof(long_double_t)) return e_long_double; return e_void; } bool Scalar::Cast(Scalar::Type type) { bool success = false; switch (m_type) { case e_void: break; case e_sint: switch (type) { case e_void: break; case e_sint: success = true; break; case e_uint: m_data.uint = m_data.sint; success = true; break; case e_slong: m_data.slong = m_data.sint; success = true; break; case e_ulong: m_data.ulong = m_data.sint; success = true; break; case e_slonglong: m_data.slonglong = m_data.sint; success = true; break; case e_ulonglong: m_data.ulonglong = m_data.sint; success = true; break; case e_float: m_data.flt = m_data.sint; success = true; break; case e_double: m_data.dbl = m_data.sint; success = true; break; case e_long_double: m_data.ldbl = m_data.sint; success = true; break; } break; case e_uint: switch (type) { case e_void: case e_sint: m_data.sint = m_data.uint; success = true; break; case e_uint: success = true; break; case e_slong: m_data.slong = m_data.uint; success = true; break; case e_ulong: m_data.ulong = m_data.uint; success = true; break; case e_slonglong: m_data.slonglong = m_data.uint; success = true; break; case e_ulonglong: m_data.ulonglong = m_data.uint; success = true; break; case e_float: m_data.flt = m_data.uint; success = true; break; case e_double: m_data.dbl = m_data.uint; success = true; break; case e_long_double: m_data.ldbl = m_data.uint; success = true; break; } break; case e_slong: switch (type) { case e_void: case e_sint: m_data.sint = (sint_t)m_data.slong; success = true; break; case e_uint: m_data.uint = (uint_t)m_data.slong; success = true; break; case e_slong: success = true; break; case e_ulong: m_data.ulong = m_data.slong; success = true; break; case e_slonglong: m_data.slonglong = m_data.slong; success = true; break; case e_ulonglong: m_data.ulonglong = m_data.slong; success = true; break; case e_float: m_data.flt = m_data.slong; success = true; break; case e_double: m_data.dbl = m_data.slong; success = true; break; case e_long_double: m_data.ldbl = m_data.slong; success = true; break; } break; case e_ulong: switch (type) { case e_void: case e_sint: m_data.sint = (sint_t)m_data.ulong; success = true; break; case e_uint: m_data.uint = (uint_t)m_data.ulong; success = true; break; case e_slong: m_data.slong = m_data.ulong; success = true; break; case e_ulong: success = true; break; case e_slonglong: m_data.slonglong = m_data.ulong; success = true; break; case e_ulonglong: m_data.ulonglong = m_data.ulong; success = true; break; case e_float: m_data.flt = m_data.ulong; success = true; break; case e_double: m_data.dbl = m_data.ulong; success = true; break; case e_long_double: m_data.ldbl = m_data.ulong; success = true; break; } break; case e_slonglong: switch (type) { case e_void: case e_sint: m_data.sint = (sint_t)m_data.slonglong; success = true; break; case e_uint: m_data.uint = (uint_t)m_data.slonglong; success = true; break; case e_slong: m_data.slong = m_data.slonglong; success = true; break; case e_ulong: m_data.ulong = m_data.slonglong; success = true; break; case e_slonglong: success = true; break; case e_ulonglong: m_data.ulonglong = m_data.slonglong; success = true; break; case e_float: m_data.flt = m_data.slonglong; success = true; break; case e_double: m_data.dbl = m_data.slonglong; success = true; break; case e_long_double: m_data.ldbl = m_data.slonglong; success = true; break; } break; case e_ulonglong: switch (type) { case e_void: case e_sint: m_data.sint = (sint_t)m_data.ulonglong; success = true; break; case e_uint: m_data.uint = (uint_t)m_data.ulonglong; success = true; break; case e_slong: m_data.slong = m_data.ulonglong; success = true; break; case e_ulong: m_data.ulong = m_data.ulonglong; success = true; break; case e_slonglong: m_data.slonglong = m_data.ulonglong; success = true; break; case e_ulonglong: success = true; break; case e_float: m_data.flt = m_data.ulonglong; success = true; break; case e_double: m_data.dbl = m_data.ulonglong; success = true; break; case e_long_double: m_data.ldbl = m_data.ulonglong; success = true; break; } break; case e_float: switch (type) { case e_void: case e_sint: m_data.sint = (sint_t)m_data.flt; success = true; break; case e_uint: m_data.uint = (uint_t)m_data.flt; success = true; break; case e_slong: m_data.slong = (slong_t)m_data.flt; success = true; break; case e_ulong: m_data.ulong = (ulong_t)m_data.flt; success = true; break; case e_slonglong: m_data.slonglong = (slonglong_t)m_data.flt; success = true; break; case e_ulonglong: m_data.ulonglong = (ulonglong_t)m_data.flt; success = true; break; case e_float: success = true; break; case e_double: m_data.dbl = m_data.flt; success = true; break; case e_long_double: m_data.ldbl = m_data.flt; success = true; break; } break; case e_double: switch (type) { case e_void: case e_sint: m_data.sint = (sint_t)m_data.dbl; success = true; break; case e_uint: m_data.uint = (uint_t)m_data.dbl; success = true; break; case e_slong: m_data.slong = (slong_t)m_data.dbl; success = true; break; case e_ulong: m_data.ulong = (ulong_t)m_data.dbl; success = true; break; case e_slonglong: m_data.slonglong = (slonglong_t)m_data.dbl; success = true; break; case e_ulonglong: m_data.ulonglong = (ulonglong_t)m_data.dbl; success = true; break; case e_float: m_data.flt = (float_t)m_data.dbl; success = true; break; case e_double: success = true; break; case e_long_double: m_data.ldbl = m_data.dbl; success = true; break; } break; case e_long_double: switch (type) { case e_void: case e_sint: m_data.sint = (sint_t)m_data.ldbl; success = true; break; case e_uint: m_data.uint = (uint_t)m_data.ldbl; success = true; break; case e_slong: m_data.slong = (slong_t)m_data.ldbl; success = true; break; case e_ulong: m_data.ulong = (ulong_t)m_data.ldbl; success = true; break; case e_slonglong: m_data.slonglong = (slonglong_t)m_data.ldbl; success = true; break; case e_ulonglong: m_data.ulonglong = (ulonglong_t)m_data.ldbl; success = true; break; case e_float: m_data.flt = (float_t)m_data.ldbl; success = true; break; case e_double: m_data.dbl = (double_t)m_data.ldbl; success = true; break; case e_long_double: success = true; break; } break; } if (success) m_type = type; return success; } bool Scalar::MakeSigned () { bool success = false; switch (m_type) { case e_void: break; case e_sint: success = true; break; case e_uint: m_type = e_sint; success = true; break; case e_slong: success = true; break; case e_ulong: m_type = e_slong; success = true; break; case e_slonglong: success = true; break; case e_ulonglong: m_type = e_slonglong; success = true; break; case e_float: success = true; break; case e_double: success = true; break; case e_long_double: success = true; break; } return success; } int Scalar::SInt(int fail_value) const { switch (m_type) { case e_void: break; case e_sint: return m_data.sint; case e_uint: return (int)m_data.uint; case e_slong: return (int)m_data.slong; case e_ulong: return (int)m_data.ulong; case e_slonglong: return (int)m_data.slonglong; case e_ulonglong: return (int)m_data.ulonglong; case e_float: return (int)m_data.flt; case e_double: return (int)m_data.dbl; case e_long_double: return (int)m_data.ldbl; } return fail_value; } unsigned int Scalar::UInt(unsigned int fail_value) const { switch (m_type) { case e_void: break; case e_sint: return (unsigned int)m_data.sint; case e_uint: return (unsigned int)m_data.uint; case e_slong: return (unsigned int)m_data.slong; case e_ulong: return (unsigned int)m_data.ulong; case e_slonglong: return (unsigned int)m_data.slonglong; case e_ulonglong: return (unsigned int)m_data.ulonglong; case e_float: return (unsigned int)m_data.flt; case e_double: return (unsigned int)m_data.dbl; case e_long_double: return (unsigned int)m_data.ldbl; } return fail_value; } long Scalar::SLong(long fail_value) const { switch (m_type) { case e_void: break; case e_sint: return (long)m_data.sint; case e_uint: return (long)m_data.uint; case e_slong: return (long)m_data.slong; case e_ulong: return (long)m_data.ulong; case e_slonglong: return (long)m_data.slonglong; case e_ulonglong: return (long)m_data.ulonglong; case e_float: return (long)m_data.flt; case e_double: return (long)m_data.dbl; case e_long_double: return (long)m_data.ldbl; } return fail_value; } unsigned long Scalar::ULong(unsigned long fail_value) const { switch (m_type) { case e_void: break; case e_sint: return (unsigned long)m_data.sint; case e_uint: return (unsigned long)m_data.uint; case e_slong: return (unsigned long)m_data.slong; case e_ulong: return (unsigned long)m_data.ulong; case e_slonglong: return (unsigned long)m_data.slonglong; case e_ulonglong: return (unsigned long)m_data.ulonglong; case e_float: return (unsigned long)m_data.flt; case e_double: return (unsigned long)m_data.dbl; case e_long_double: return (unsigned long)m_data.ldbl; } return fail_value; } uint64_t Scalar::GetRawBits64(uint64_t fail_value) const { switch (m_type) { case e_void: break; case e_sint: case e_uint: return m_data.uint; case e_slong: case e_ulong: return m_data.ulong; case e_slonglong: case e_ulonglong: return m_data.ulonglong; case e_float: if (sizeof(m_data.flt) == sizeof(m_data.uint)) return m_data.uint; else if (sizeof(m_data.flt) == sizeof(m_data.ulong)) return m_data.ulong; else if (sizeof(m_data.flt) == sizeof(m_data.ulonglong)) return m_data.ulonglong; break; case e_double: if (sizeof(m_data.dbl) == sizeof(m_data.uint)) return m_data.uint; else if (sizeof(m_data.dbl) == sizeof(m_data.ulong)) return m_data.ulong; else if (sizeof(m_data.dbl) == sizeof(m_data.ulonglong)) return m_data.ulonglong; break; case e_long_double: if (sizeof(m_data.ldbl) == sizeof(m_data.uint)) return m_data.uint; else if (sizeof(m_data.ldbl) == sizeof(m_data.ulong)) return m_data.ulong; else if (sizeof(m_data.ldbl) == sizeof(m_data.ulonglong)) return m_data.ulonglong; break; } return fail_value; } long long Scalar::SLongLong(long long fail_value) const { switch (m_type) { case e_void: break; case e_sint: return (long long)m_data.sint; case e_uint: return (long long)m_data.uint; case e_slong: return (long long)m_data.slong; case e_ulong: return (long long)m_data.ulong; case e_slonglong: return (long long)m_data.slonglong; case e_ulonglong: return (long long)m_data.ulonglong; case e_float: return (long long)m_data.flt; case e_double: return (long long)m_data.dbl; case e_long_double: return (long long)m_data.ldbl; } return fail_value; } unsigned long long Scalar::ULongLong(unsigned long long fail_value) const { switch (m_type) { case e_void: break; case e_sint: return (unsigned long long)m_data.sint; case e_uint: return (unsigned long long)m_data.uint; case e_slong: return (unsigned long long)m_data.slong; case e_ulong: return (unsigned long long)m_data.ulong; case e_slonglong: return (unsigned long long)m_data.slonglong; case e_ulonglong: return (unsigned long long)m_data.ulonglong; case e_float: return (unsigned long long)m_data.flt; case e_double: return (unsigned long long)m_data.dbl; case e_long_double: return (unsigned long long)m_data.ldbl; } return fail_value; } float Scalar::Float(float fail_value) const { switch (m_type) { case e_void: break; case e_sint: return (float)m_data.sint; case e_uint: return (float)m_data.uint; case e_slong: return (float)m_data.slong; case e_ulong: return (float)m_data.ulong; case e_slonglong: return (float)m_data.slonglong; case e_ulonglong: return (float)m_data.ulonglong; case e_float: return (float)m_data.flt; case e_double: return (float)m_data.dbl; case e_long_double: return (float)m_data.ldbl; } return fail_value; } double Scalar::Double(double fail_value) const { switch (m_type) { case e_void: break; case e_sint: return (double)m_data.sint; case e_uint: return (double)m_data.uint; case e_slong: return (double)m_data.slong; case e_ulong: return (double)m_data.ulong; case e_slonglong: return (double)m_data.slonglong; case e_ulonglong: return (double)m_data.ulonglong; case e_float: return (double)m_data.flt; case e_double: return (double)m_data.dbl; case e_long_double: return (double)m_data.ldbl; } return fail_value; } long double Scalar::LongDouble(long double fail_value) const { switch (m_type) { case e_void: break; case e_sint: return (long double)m_data.sint; case e_uint: return (long double)m_data.uint; case e_slong: return (long double)m_data.slong; case e_ulong: return (long double)m_data.ulong; case e_slonglong: return (long double)m_data.slonglong; case e_ulonglong: return (long double)m_data.ulonglong; case e_float: return (long double)m_data.flt; case e_double: return (long double)m_data.dbl; case e_long_double: return (long double)m_data.ldbl; } return fail_value; } Scalar& Scalar::operator+= (const Scalar& rhs) { Scalar temp_value; const Scalar* a; const Scalar* b; if ((m_type = PromoteToMaxType(*this, rhs, temp_value, a, b)) != Scalar::e_void) { switch (m_type) { case e_void: break; case e_sint: m_data.sint = a->m_data.sint + b->m_data.sint; break; case e_uint: m_data.uint = a->m_data.uint + b->m_data.uint; break; case e_slong: m_data.slong = a->m_data.slong + b->m_data.slong; break; case e_ulong: m_data.ulong = a->m_data.ulong + b->m_data.ulong; break; case e_slonglong: m_data.slonglong = a->m_data.slonglong + b->m_data.slonglong; break; case e_ulonglong: m_data.ulonglong = a->m_data.ulonglong + b->m_data.ulonglong; break; case e_float: m_data.flt = a->m_data.flt + b->m_data.flt; break; case e_double: m_data.dbl = a->m_data.dbl + b->m_data.dbl; break; case e_long_double: m_data.ldbl = a->m_data.ldbl + b->m_data.ldbl; break; } } return *this; } Scalar& Scalar::operator<<= (const Scalar& rhs) { switch (m_type) { case e_void: case e_float: case e_double: case e_long_double: m_type = e_void; break; case e_sint: switch (rhs.m_type) { case e_void: case e_float: case e_double: case e_long_double: m_type = e_void; break; case e_sint: m_data.sint <<= rhs.m_data.sint; break; case e_uint: m_data.sint <<= rhs.m_data.uint; break; case e_slong: m_data.sint <<= rhs.m_data.slong; break; case e_ulong: m_data.sint <<= rhs.m_data.ulong; break; case e_slonglong: m_data.sint <<= rhs.m_data.slonglong; break; case e_ulonglong: m_data.sint <<= rhs.m_data.ulonglong; break; } break; case e_uint: switch (rhs.m_type) { case e_void: case e_float: case e_double: case e_long_double: m_type = e_void; break; case e_sint: m_data.uint <<= rhs.m_data.sint; break; case e_uint: m_data.uint <<= rhs.m_data.uint; break; case e_slong: m_data.uint <<= rhs.m_data.slong; break; case e_ulong: m_data.uint <<= rhs.m_data.ulong; break; case e_slonglong: m_data.uint <<= rhs.m_data.slonglong; break; case e_ulonglong: m_data.uint <<= rhs.m_data.ulonglong; break; } break; case e_slong: switch (rhs.m_type) { case e_void: case e_float: case e_double: case e_long_double: m_type = e_void; break; case e_sint: m_data.slong <<= rhs.m_data.sint; break; case e_uint: m_data.slong <<= rhs.m_data.uint; break; case e_slong: m_data.slong <<= rhs.m_data.slong; break; case e_ulong: m_data.slong <<= rhs.m_data.ulong; break; case e_slonglong: m_data.slong <<= rhs.m_data.slonglong; break; case e_ulonglong: m_data.slong <<= rhs.m_data.ulonglong; break; } break; case e_ulong: switch (rhs.m_type) { case e_void: case e_float: case e_double: case e_long_double: m_type = e_void; break; case e_sint: m_data.ulong <<= rhs.m_data.sint; break; case e_uint: m_data.ulong <<= rhs.m_data.uint; break; case e_slong: m_data.ulong <<= rhs.m_data.slong; break; case e_ulong: m_data.ulong <<= rhs.m_data.ulong; break; case e_slonglong: m_data.ulong <<= rhs.m_data.slonglong; break; case e_ulonglong: m_data.ulong <<= rhs.m_data.ulonglong; break; } break; case e_slonglong: switch (rhs.m_type) { case e_void: case e_float: case e_double: case e_long_double: m_type = e_void; break; case e_sint: m_data.slonglong <<= rhs.m_data.sint; break; case e_uint: m_data.slonglong <<= rhs.m_data.uint; break; case e_slong: m_data.slonglong <<= rhs.m_data.slong; break; case e_ulong: m_data.slonglong <<= rhs.m_data.ulong; break; case e_slonglong: m_data.slonglong <<= rhs.m_data.slonglong; break; case e_ulonglong: m_data.slonglong <<= rhs.m_data.ulonglong; break; } break; case e_ulonglong: switch (rhs.m_type) { case e_void: case e_float: case e_double: case e_long_double: m_type = e_void; break; case e_sint: m_data.ulonglong <<= rhs.m_data.sint; break; case e_uint: m_data.ulonglong <<= rhs.m_data.uint; break; case e_slong: m_data.ulonglong <<= rhs.m_data.slong; break; case e_ulong: m_data.ulonglong <<= rhs.m_data.ulong; break; case e_slonglong: m_data.ulonglong <<= rhs.m_data.slonglong; break; case e_ulonglong: m_data.ulonglong <<= rhs.m_data.ulonglong; break; } break; } return *this; } bool Scalar::ShiftRightLogical(const Scalar& rhs) { switch (m_type) { case e_void: case e_float: case e_double: case e_long_double: m_type = e_void; break; case e_sint: case e_uint: switch (rhs.m_type) { case e_void: case e_float: case e_double: case e_long_double: m_type = e_void; break; case e_sint: m_data.uint >>= rhs.m_data.sint; break; case e_uint: m_data.uint >>= rhs.m_data.uint; break; case e_slong: m_data.uint >>= rhs.m_data.slong; break; case e_ulong: m_data.uint >>= rhs.m_data.ulong; break; case e_slonglong: m_data.uint >>= rhs.m_data.slonglong; break; case e_ulonglong: m_data.uint >>= rhs.m_data.ulonglong; break; } break; case e_slong: case e_ulong: switch (rhs.m_type) { case e_void: case e_float: case e_double: case e_long_double: m_type = e_void; break; case e_sint: m_data.ulong >>= rhs.m_data.sint; break; case e_uint: m_data.ulong >>= rhs.m_data.uint; break; case e_slong: m_data.ulong >>= rhs.m_data.slong; break; case e_ulong: m_data.ulong >>= rhs.m_data.ulong; break; case e_slonglong: m_data.ulong >>= rhs.m_data.slonglong; break; case e_ulonglong: m_data.ulong >>= rhs.m_data.ulonglong; break; } break; case e_slonglong: case e_ulonglong: switch (rhs.m_type) { case e_void: case e_float: case e_double: case e_long_double: m_type = e_void; break; case e_sint: m_data.ulonglong >>= rhs.m_data.sint; break; case e_uint: m_data.ulonglong >>= rhs.m_data.uint; break; case e_slong: m_data.ulonglong >>= rhs.m_data.slong; break; case e_ulong: m_data.ulonglong >>= rhs.m_data.ulong; break; case e_slonglong: m_data.ulonglong >>= rhs.m_data.slonglong; break; case e_ulonglong: m_data.ulonglong >>= rhs.m_data.ulonglong; break; } break; } return m_type != e_void; } Scalar& Scalar::operator>>= (const Scalar& rhs) { switch (m_type) { case e_void: case e_float: case e_double: case e_long_double: m_type = e_void; break; case e_sint: switch (rhs.m_type) { case e_void: case e_float: case e_double: case e_long_double: m_type = e_void; break; case e_sint: m_data.sint >>= rhs.m_data.sint; break; case e_uint: m_data.sint >>= rhs.m_data.uint; break; case e_slong: m_data.sint >>= rhs.m_data.slong; break; case e_ulong: m_data.sint >>= rhs.m_data.ulong; break; case e_slonglong: m_data.sint >>= rhs.m_data.slonglong; break; case e_ulonglong: m_data.sint >>= rhs.m_data.ulonglong; break; } break; case e_uint: switch (rhs.m_type) { case e_void: case e_float: case e_double: case e_long_double: m_type = e_void; break; case e_sint: m_data.uint >>= rhs.m_data.sint; break; case e_uint: m_data.uint >>= rhs.m_data.uint; break; case e_slong: m_data.uint >>= rhs.m_data.slong; break; case e_ulong: m_data.uint >>= rhs.m_data.ulong; break; case e_slonglong: m_data.uint >>= rhs.m_data.slonglong; break; case e_ulonglong: m_data.uint >>= rhs.m_data.ulonglong; break; } break; case e_slong: switch (rhs.m_type) { case e_void: case e_float: case e_double: case e_long_double: m_type = e_void; break; case e_sint: m_data.slong >>= rhs.m_data.sint; break; case e_uint: m_data.slong >>= rhs.m_data.uint; break; case e_slong: m_data.slong >>= rhs.m_data.slong; break; case e_ulong: m_data.slong >>= rhs.m_data.ulong; break; case e_slonglong: m_data.slong >>= rhs.m_data.slonglong; break; case e_ulonglong: m_data.slong >>= rhs.m_data.ulonglong; break; } break; case e_ulong: switch (rhs.m_type) { case e_void: case e_float: case e_double: case e_long_double: m_type = e_void; break; case e_sint: m_data.ulong >>= rhs.m_data.sint; break; case e_uint: m_data.ulong >>= rhs.m_data.uint; break; case e_slong: m_data.ulong >>= rhs.m_data.slong; break; case e_ulong: m_data.ulong >>= rhs.m_data.ulong; break; case e_slonglong: m_data.ulong >>= rhs.m_data.slonglong; break; case e_ulonglong: m_data.ulong >>= rhs.m_data.ulonglong; break; } break; case e_slonglong: switch (rhs.m_type) { case e_void: case e_float: case e_double: case e_long_double: m_type = e_void; break; case e_sint: m_data.slonglong >>= rhs.m_data.sint; break; case e_uint: m_data.slonglong >>= rhs.m_data.uint; break; case e_slong: m_data.slonglong >>= rhs.m_data.slong; break; case e_ulong: m_data.slonglong >>= rhs.m_data.ulong; break; case e_slonglong: m_data.slonglong >>= rhs.m_data.slonglong; break; case e_ulonglong: m_data.slonglong >>= rhs.m_data.ulonglong; break; } break; case e_ulonglong: switch (rhs.m_type) { case e_void: case e_float: case e_double: case e_long_double: m_type = e_void; break; case e_sint: m_data.ulonglong >>= rhs.m_data.sint; break; case e_uint: m_data.ulonglong >>= rhs.m_data.uint; break; case e_slong: m_data.ulonglong >>= rhs.m_data.slong; break; case e_ulong: m_data.ulonglong >>= rhs.m_data.ulong; break; case e_slonglong: m_data.ulonglong >>= rhs.m_data.slonglong; break; case e_ulonglong: m_data.ulonglong >>= rhs.m_data.ulonglong; break; } break; } return *this; } Scalar& Scalar::operator&= (const Scalar& rhs) { switch (m_type) { case e_void: case e_float: case e_double: case e_long_double: m_type = e_void; break; case e_sint: switch (rhs.m_type) { case e_void: case e_float: case e_double: case e_long_double: m_type = e_void; break; case e_sint: m_data.sint &= rhs.m_data.sint; break; case e_uint: m_data.sint &= rhs.m_data.uint; break; case e_slong: m_data.sint &= rhs.m_data.slong; break; case e_ulong: m_data.sint &= rhs.m_data.ulong; break; case e_slonglong: m_data.sint &= rhs.m_data.slonglong; break; case e_ulonglong: m_data.sint &= rhs.m_data.ulonglong; break; } break; case e_uint: switch (rhs.m_type) { case e_void: case e_float: case e_double: case e_long_double: m_type = e_void; break; case e_sint: m_data.uint &= rhs.m_data.sint; break; case e_uint: m_data.uint &= rhs.m_data.uint; break; case e_slong: m_data.uint &= rhs.m_data.slong; break; case e_ulong: m_data.uint &= rhs.m_data.ulong; break; case e_slonglong: m_data.uint &= rhs.m_data.slonglong; break; case e_ulonglong: m_data.uint &= rhs.m_data.ulonglong; break; } break; case e_slong: switch (rhs.m_type) { case e_void: case e_float: case e_double: case e_long_double: m_type = e_void; break; case e_sint: m_data.slong &= rhs.m_data.sint; break; case e_uint: m_data.slong &= rhs.m_data.uint; break; case e_slong: m_data.slong &= rhs.m_data.slong; break; case e_ulong: m_data.slong &= rhs.m_data.ulong; break; case e_slonglong: m_data.slong &= rhs.m_data.slonglong; break; case e_ulonglong: m_data.slong &= rhs.m_data.ulonglong; break; } break; case e_ulong: switch (rhs.m_type) { case e_void: case e_float: case e_double: case e_long_double: m_type = e_void; break; case e_sint: m_data.ulong &= rhs.m_data.sint; break; case e_uint: m_data.ulong &= rhs.m_data.uint; break; case e_slong: m_data.ulong &= rhs.m_data.slong; break; case e_ulong: m_data.ulong &= rhs.m_data.ulong; break; case e_slonglong: m_data.ulong &= rhs.m_data.slonglong; break; case e_ulonglong: m_data.ulong &= rhs.m_data.ulonglong; break; } break; case e_slonglong: switch (rhs.m_type) { case e_void: case e_float: case e_double: case e_long_double: m_type = e_void; break; case e_sint: m_data.slonglong &= rhs.m_data.sint; break; case e_uint: m_data.slonglong &= rhs.m_data.uint; break; case e_slong: m_data.slonglong &= rhs.m_data.slong; break; case e_ulong: m_data.slonglong &= rhs.m_data.ulong; break; case e_slonglong: m_data.slonglong &= rhs.m_data.slonglong; break; case e_ulonglong: m_data.slonglong &= rhs.m_data.ulonglong; break; } break; case e_ulonglong: switch (rhs.m_type) { case e_void: case e_float: case e_double: case e_long_double: m_type = e_void; break; case e_sint: m_data.ulonglong &= rhs.m_data.sint; break; case e_uint: m_data.ulonglong &= rhs.m_data.uint; break; case e_slong: m_data.ulonglong &= rhs.m_data.slong; break; case e_ulong: m_data.ulonglong &= rhs.m_data.ulong; break; case e_slonglong: m_data.ulonglong &= rhs.m_data.slonglong; break; case e_ulonglong: m_data.ulonglong &= rhs.m_data.ulonglong; break; } break; } return *this; } bool Scalar::AbsoluteValue() { switch (m_type) { case e_void: break; case e_sint: if (m_data.sint < 0) m_data.sint = -m_data.sint; return true; case e_slong: if (m_data.slong < 0) m_data.slong = -m_data.slong; return true; case e_slonglong: if (m_data.slonglong < 0) m_data.slonglong = -m_data.slonglong; return true; case e_uint: case e_ulong: case e_ulonglong: return true; case e_float: m_data.flt = fabsf(m_data.flt); return true; case e_double: m_data.dbl = fabs(m_data.dbl); return true; case e_long_double: m_data.ldbl = fabsl(m_data.ldbl); return true; } return false; } bool Scalar::UnaryNegate() { switch (m_type) { case e_void: break; case e_sint: m_data.sint = -m_data.sint; return true; case e_uint: m_data.uint = -m_data.uint; return true; case e_slong: m_data.slong = -m_data.slong; return true; case e_ulong: m_data.ulong = -m_data.ulong; return true; case e_slonglong: m_data.slonglong = -m_data.slonglong; return true; case e_ulonglong: m_data.ulonglong = -m_data.ulonglong; return true; case e_float: m_data.flt = -m_data.flt; return true; case e_double: m_data.dbl = -m_data.dbl; return true; case e_long_double: m_data.ldbl = -m_data.ldbl; return true; } return false; } bool Scalar::OnesComplement() { switch (m_type) { case e_sint: m_data.sint = ~m_data.sint; return true; case e_uint: m_data.uint = ~m_data.uint; return true; case e_slong: m_data.slong = ~m_data.slong; return true; case e_ulong: m_data.ulong = ~m_data.ulong; return true; case e_slonglong: m_data.slonglong = ~m_data.slonglong; return true; case e_ulonglong: m_data.ulonglong = ~m_data.ulonglong; return true; case e_void: case e_float: case e_double: case e_long_double: break; } return false; } const Scalar lldb_private::operator+ (const Scalar& lhs, const Scalar& rhs) { Scalar result; Scalar temp_value; const Scalar* a; const Scalar* b; if ((result.m_type = PromoteToMaxType(lhs, rhs, temp_value, a, b)) != Scalar::e_void) { switch (result.m_type) { case Scalar::e_void: break; case Scalar::e_sint: result.m_data.sint = a->m_data.sint + b->m_data.sint; break; case Scalar::e_uint: result.m_data.uint = a->m_data.uint + b->m_data.uint; break; case Scalar::e_slong: result.m_data.slong = a->m_data.slong + b->m_data.slong; break; case Scalar::e_ulong: result.m_data.ulong = a->m_data.ulong + b->m_data.ulong; break; case Scalar::e_slonglong: result.m_data.slonglong = a->m_data.slonglong + b->m_data.slonglong; break; case Scalar::e_ulonglong: result.m_data.ulonglong = a->m_data.ulonglong + b->m_data.ulonglong; break; case Scalar::e_float: result.m_data.flt = a->m_data.flt + b->m_data.flt; break; case Scalar::e_double: result.m_data.dbl = a->m_data.dbl + b->m_data.dbl; break; case Scalar::e_long_double: result.m_data.ldbl = a->m_data.ldbl + b->m_data.ldbl; break; } } return result; } const Scalar lldb_private::operator- (const Scalar& lhs, const Scalar& rhs) { Scalar result; Scalar temp_value; const Scalar* a; const Scalar* b; if ((result.m_type = PromoteToMaxType(lhs, rhs, temp_value, a, b)) != Scalar::e_void) { switch (result.m_type) { case Scalar::e_void: break; case Scalar::e_sint: result.m_data.sint = a->m_data.sint - b->m_data.sint; break; case Scalar::e_uint: result.m_data.uint = a->m_data.uint - b->m_data.uint; break; case Scalar::e_slong: result.m_data.slong = a->m_data.slong - b->m_data.slong; break; case Scalar::e_ulong: result.m_data.ulong = a->m_data.ulong - b->m_data.ulong; break; case Scalar::e_slonglong: result.m_data.slonglong = a->m_data.slonglong - b->m_data.slonglong; break; case Scalar::e_ulonglong: result.m_data.ulonglong = a->m_data.ulonglong - b->m_data.ulonglong; break; case Scalar::e_float: result.m_data.flt = a->m_data.flt - b->m_data.flt; break; case Scalar::e_double: result.m_data.dbl = a->m_data.dbl - b->m_data.dbl; break; case Scalar::e_long_double: result.m_data.ldbl = a->m_data.ldbl - b->m_data.ldbl; break; } } return result; } const Scalar lldb_private::operator/ (const Scalar& lhs, const Scalar& rhs) { Scalar result; Scalar temp_value; const Scalar* a; const Scalar* b; if ((result.m_type = PromoteToMaxType(lhs, rhs, temp_value, a, b)) != Scalar::e_void) { switch (result.m_type) { case Scalar::e_void: break; case Scalar::e_sint: if (b->m_data.sint != 0) { result.m_data.sint = a->m_data.sint/ b->m_data.sint; return result; } break; case Scalar::e_uint: if (b->m_data.uint != 0) { result.m_data.uint = a->m_data.uint / b->m_data.uint; return result; } break; case Scalar::e_slong: if (b->m_data.slong != 0) { result.m_data.slong = a->m_data.slong / b->m_data.slong; return result; } break; case Scalar::e_ulong: if (b->m_data.ulong != 0) { result.m_data.ulong = a->m_data.ulong / b->m_data.ulong; return result; } break; case Scalar::e_slonglong: if (b->m_data.slonglong != 0) { result.m_data.slonglong = a->m_data.slonglong / b->m_data.slonglong; return result; } break; case Scalar::e_ulonglong: if (b->m_data.ulonglong != 0) { result.m_data.ulonglong = a->m_data.ulonglong / b->m_data.ulonglong; return result; } break; case Scalar::e_float: if (b->m_data.flt != 0.0f) { result.m_data.flt = a->m_data.flt / b->m_data.flt; return result; } break; case Scalar::e_double: if (b->m_data.dbl != 0.0) { result.m_data.dbl = a->m_data.dbl / b->m_data.dbl; return result; } break; case Scalar::e_long_double: if (b->m_data.ldbl != 0.0) { result.m_data.ldbl = a->m_data.ldbl / b->m_data.ldbl; return result; } break; } } // For division only, the only way it should make it here is if a promotion failed, // or if we are trying to do a divide by zero. result.m_type = Scalar::e_void; return result; } const Scalar lldb_private::operator* (const Scalar& lhs, const Scalar& rhs) { Scalar result; Scalar temp_value; const Scalar* a; const Scalar* b; if ((result.m_type = PromoteToMaxType(lhs, rhs, temp_value, a, b)) != Scalar::e_void) { switch (result.m_type) { case Scalar::e_void: break; case Scalar::e_sint: result.m_data.sint = a->m_data.sint * b->m_data.sint; break; case Scalar::e_uint: result.m_data.uint = a->m_data.uint * b->m_data.uint; break; case Scalar::e_slong: result.m_data.slong = a->m_data.slong * b->m_data.slong; break; case Scalar::e_ulong: result.m_data.ulong = a->m_data.ulong * b->m_data.ulong; break; case Scalar::e_slonglong: result.m_data.slonglong = a->m_data.slonglong * b->m_data.slonglong; break; case Scalar::e_ulonglong: result.m_data.ulonglong = a->m_data.ulonglong * b->m_data.ulonglong; break; case Scalar::e_float: result.m_data.flt = a->m_data.flt * b->m_data.flt; break; case Scalar::e_double: result.m_data.dbl = a->m_data.dbl * b->m_data.dbl; break; case Scalar::e_long_double: result.m_data.ldbl = a->m_data.ldbl * b->m_data.ldbl; break; } } return result; } const Scalar lldb_private::operator& (const Scalar& lhs, const Scalar& rhs) { Scalar result; Scalar temp_value; const Scalar* a; const Scalar* b; if ((result.m_type = PromoteToMaxType(lhs, rhs, temp_value, a, b)) != Scalar::e_void) { switch (result.m_type) { case Scalar::e_sint: result.m_data.sint = a->m_data.sint & b->m_data.sint; break; case Scalar::e_uint: result.m_data.uint = a->m_data.uint & b->m_data.uint; break; case Scalar::e_slong: result.m_data.slong = a->m_data.slong & b->m_data.slong; break; case Scalar::e_ulong: result.m_data.ulong = a->m_data.ulong & b->m_data.ulong; break; case Scalar::e_slonglong: result.m_data.slonglong = a->m_data.slonglong & b->m_data.slonglong; break; case Scalar::e_ulonglong: result.m_data.ulonglong = a->m_data.ulonglong & b->m_data.ulonglong; break; case Scalar::e_void: case Scalar::e_float: case Scalar::e_double: case Scalar::e_long_double: // No bitwise AND on floats, doubles of long doubles result.m_type = Scalar::e_void; break; } } return result; } const Scalar lldb_private::operator| (const Scalar& lhs, const Scalar& rhs) { Scalar result; Scalar temp_value; const Scalar* a; const Scalar* b; if ((result.m_type = PromoteToMaxType(lhs, rhs, temp_value, a, b)) != Scalar::e_void) { switch (result.m_type) { case Scalar::e_sint: result.m_data.sint = a->m_data.sint | b->m_data.sint; break; case Scalar::e_uint: result.m_data.uint = a->m_data.uint | b->m_data.uint; break; case Scalar::e_slong: result.m_data.slong = a->m_data.slong | b->m_data.slong; break; case Scalar::e_ulong: result.m_data.ulong = a->m_data.ulong | b->m_data.ulong; break; case Scalar::e_slonglong: result.m_data.slonglong = a->m_data.slonglong | b->m_data.slonglong; break; case Scalar::e_ulonglong: result.m_data.ulonglong = a->m_data.ulonglong | b->m_data.ulonglong; break; case Scalar::e_void: case Scalar::e_float: case Scalar::e_double: case Scalar::e_long_double: // No bitwise AND on floats, doubles of long doubles result.m_type = Scalar::e_void; break; } } return result; } const Scalar lldb_private::operator% (const Scalar& lhs, const Scalar& rhs) { Scalar result; Scalar temp_value; const Scalar* a; const Scalar* b; if ((result.m_type = PromoteToMaxType(lhs, rhs, temp_value, a, b)) != Scalar::e_void) { switch (result.m_type) { default: break; case Scalar::e_sint: if (b->m_data.sint != 0) { result.m_data.sint = a->m_data.sint % b->m_data.sint; return result; } break; case Scalar::e_uint: if (b->m_data.uint != 0) { result.m_data.uint = a->m_data.uint % b->m_data.uint; return result; } break; case Scalar::e_slong: if (b->m_data.slong != 0) { result.m_data.slong = a->m_data.slong % b->m_data.slong; return result; } break; case Scalar::e_ulong: if (b->m_data.ulong != 0) { result.m_data.ulong = a->m_data.ulong % b->m_data.ulong; return result; } break; case Scalar::e_slonglong: if (b->m_data.slonglong != 0) { result.m_data.slonglong = a->m_data.slonglong % b->m_data.slonglong; return result; } break; case Scalar::e_ulonglong: if (b->m_data.ulonglong != 0) { result.m_data.ulonglong = a->m_data.ulonglong % b->m_data.ulonglong; return result; } break; } } result.m_type = Scalar::e_void; return result; } const Scalar lldb_private::operator^ (const Scalar& lhs, const Scalar& rhs) { Scalar result; Scalar temp_value; const Scalar* a; const Scalar* b; if ((result.m_type = PromoteToMaxType(lhs, rhs, temp_value, a, b)) != Scalar::e_void) { switch (result.m_type) { case Scalar::e_sint: result.m_data.sint = a->m_data.sint ^ b->m_data.sint; break; case Scalar::e_uint: result.m_data.uint = a->m_data.uint ^ b->m_data.uint; break; case Scalar::e_slong: result.m_data.slong = a->m_data.slong ^ b->m_data.slong; break; case Scalar::e_ulong: result.m_data.ulong = a->m_data.ulong ^ b->m_data.ulong; break; case Scalar::e_slonglong: result.m_data.slonglong = a->m_data.slonglong ^ b->m_data.slonglong; break; case Scalar::e_ulonglong: result.m_data.ulonglong = a->m_data.ulonglong ^ b->m_data.ulonglong; break; case Scalar::e_void: case Scalar::e_float: case Scalar::e_double: case Scalar::e_long_double: // No bitwise AND on floats, doubles of long doubles result.m_type = Scalar::e_void; break; } } return result; } const Scalar lldb_private::operator<< (const Scalar& lhs, const Scalar &rhs) { Scalar result = lhs; result <<= rhs; return result; } const Scalar lldb_private::operator>> (const Scalar& lhs, const Scalar &rhs) { Scalar result = lhs; result >>= rhs; return result; } // Return the raw unsigned integer without any casting or conversion unsigned int Scalar::RawUInt () const { return m_data.uint; } // Return the raw unsigned long without any casting or conversion unsigned long Scalar::RawULong () const { return m_data.ulong; } // Return the raw unsigned long long without any casting or conversion unsigned long long Scalar::RawULongLong () const { return m_data.ulonglong; } Error Scalar::SetValueFromCString (const char *value_str, Encoding encoding, size_t byte_size) { Error error; if (value_str == NULL || value_str[0] == '\0') { error.SetErrorString ("Invalid c-string value string."); return error; } bool success = false; switch (encoding) { case eEncodingInvalid: error.SetErrorString ("Invalid encoding."); break; case eEncodingUint: if (byte_size <= sizeof (unsigned long long)) { uint64_t uval64 = Args::StringToUInt64(value_str, UINT64_MAX, 0, &success); if (!success) error.SetErrorStringWithFormat ("'%s' is not a valid unsigned integer string value", value_str); else if (!UIntValueIsValidForSize (uval64, byte_size)) error.SetErrorStringWithFormat ("value 0x%" PRIx64 " is too large to fit in a %zu byte unsigned integer value", uval64, byte_size); else { m_type = Scalar::GetValueTypeForUnsignedIntegerWithByteSize (byte_size); switch (m_type) { case e_uint: m_data.uint = (uint_t)uval64; break; case e_ulong: m_data.ulong = (ulong_t)uval64; break; case e_ulonglong: m_data.ulonglong = (ulonglong_t)uval64; break; default: error.SetErrorStringWithFormat ("unsupported unsigned integer byte size: %zu", byte_size); break; } } } else { error.SetErrorStringWithFormat ("unsupported unsigned integer byte size: %zu", byte_size); return error; } break; case eEncodingSint: if (byte_size <= sizeof (long long)) { uint64_t sval64 = Args::StringToSInt64(value_str, INT64_MAX, 0, &success); if (!success) error.SetErrorStringWithFormat ("'%s' is not a valid signed integer string value", value_str); else if (!SIntValueIsValidForSize (sval64, byte_size)) error.SetErrorStringWithFormat ("value 0x%" PRIx64 " is too large to fit in a %zu byte signed integer value", sval64, byte_size); else { m_type = Scalar::GetValueTypeForSignedIntegerWithByteSize (byte_size); switch (m_type) { case e_sint: m_data.sint = (sint_t)sval64; break; case e_slong: m_data.slong = (slong_t)sval64; break; case e_slonglong: m_data.slonglong = (slonglong_t)sval64; break; default: error.SetErrorStringWithFormat ("unsupported signed integer byte size: %zu", byte_size); break; } } } else { error.SetErrorStringWithFormat ("unsupported signed integer byte size: %zu", byte_size); return error; } break; case eEncodingIEEE754: if (byte_size == sizeof (float)) { if (::sscanf (value_str, "%f", &m_data.flt) == 1) m_type = e_float; else error.SetErrorStringWithFormat ("'%s' is not a valid float string value", value_str); } else if (byte_size == sizeof (double)) { if (::sscanf (value_str, "%lf", &m_data.dbl) == 1) m_type = e_double; else error.SetErrorStringWithFormat ("'%s' is not a valid float string value", value_str); } else if (byte_size == sizeof (long double)) { if (::sscanf (value_str, "%Lf", &m_data.ldbl) == 1) m_type = e_long_double; else error.SetErrorStringWithFormat ("'%s' is not a valid float string value", value_str); } else { error.SetErrorStringWithFormat ("unsupported float byte size: %zu", byte_size); return error; } break; case eEncodingVector: error.SetErrorString ("vector encoding unsupported."); break; } if (error.Fail()) m_type = e_void; return error; } Error Scalar::SetValueFromData (DataExtractor &data, lldb::Encoding encoding, size_t byte_size) { Error error; switch (encoding) { case lldb::eEncodingInvalid: error.SetErrorString ("invalid encoding"); break; case lldb::eEncodingVector: error.SetErrorString ("vector encoding unsupported"); break; case lldb::eEncodingUint: { lldb::offset_t offset; switch (byte_size) { case 1: operator=((uint8_t)data.GetU8(&offset)); break; case 2: operator=((uint16_t)data.GetU16(&offset)); break; case 4: operator=((uint32_t)data.GetU32(&offset)); break; case 8: operator=((uint64_t)data.GetU64(&offset)); break; default: error.SetErrorStringWithFormat ("unsupported unsigned integer byte size: %zu", byte_size); break; } } break; case lldb::eEncodingSint: { lldb::offset_t offset; switch (byte_size) { case 1: operator=((int8_t)data.GetU8(&offset)); break; case 2: operator=((int16_t)data.GetU16(&offset)); break; case 4: operator=((int32_t)data.GetU32(&offset)); break; case 8: operator=((int64_t)data.GetU64(&offset)); break; default: error.SetErrorStringWithFormat ("unsupported signed integer byte size: %zu", byte_size); break; } } break; case lldb::eEncodingIEEE754: { lldb::offset_t offset; if (byte_size == sizeof (float)) operator=((float)data.GetFloat(&offset)); else if (byte_size == sizeof (double)) operator=((double)data.GetDouble(&offset)); else if (byte_size == sizeof (long double)) operator=((long double)data.GetLongDouble(&offset)); else error.SetErrorStringWithFormat ("unsupported float byte size: %zu", byte_size); } break; } return error; } bool Scalar::SignExtend (uint32_t sign_bit_pos) { const uint32_t max_bit_pos = GetByteSize() * 8; if (sign_bit_pos < max_bit_pos) { switch (m_type) { case Scalar::e_void: case Scalar::e_float: case Scalar::e_double: case Scalar::e_long_double: return false; case Scalar::e_sint: case Scalar::e_uint: if (max_bit_pos == sign_bit_pos) return true; else if (sign_bit_pos < (max_bit_pos-1)) { unsigned int sign_bit = 1u << sign_bit_pos; if (m_data.uint & sign_bit) { const unsigned int mask = ~(sign_bit) + 1u; m_data.uint |= mask; } return true; } break; case Scalar::e_slong: case Scalar::e_ulong: if (max_bit_pos == sign_bit_pos) return true; else if (sign_bit_pos < (max_bit_pos-1)) { unsigned long sign_bit = 1ul << sign_bit_pos; if (m_data.ulong & sign_bit) { const unsigned long mask = ~(sign_bit) + 1ul; m_data.ulong |= mask; } return true; } break; case Scalar::e_slonglong: case Scalar::e_ulonglong: if (max_bit_pos == sign_bit_pos) return true; else if (sign_bit_pos < (max_bit_pos-1)) { unsigned long long sign_bit = 1ull << sign_bit_pos; if (m_data.ulonglong & sign_bit) { const unsigned long long mask = ~(sign_bit) + 1ull; m_data.ulonglong |= mask; } return true; } break; } } return false; } size_t Scalar::GetAsMemoryData (void *dst, size_t dst_len, lldb::ByteOrder dst_byte_order, Error &error) const { // Get a data extractor that points to the native scalar data DataExtractor data; if (!GetData(data)) { error.SetErrorString ("invalid scalar value"); return 0; } const size_t src_len = data.GetByteSize(); // Prepare a memory buffer that contains some or all of the register value const size_t bytes_copied = data.CopyByteOrderedData (0, // src offset src_len, // src length dst, // dst buffer dst_len, // dst length dst_byte_order); // dst byte order if (bytes_copied == 0) error.SetErrorString ("failed to copy data"); return bytes_copied; } bool Scalar::ExtractBitfield (uint32_t bit_size, uint32_t bit_offset) { if (bit_size == 0) return true; uint32_t msbit = bit_offset + bit_size - 1; uint32_t lsbit = bit_offset; switch (m_type) { case Scalar::e_void: break; case e_float: if (sizeof(m_data.flt) == sizeof(sint_t)) m_data.sint = (sint_t)SignedBits (m_data.sint, msbit, lsbit); else if (sizeof(m_data.flt) == sizeof(ulong_t)) m_data.slong = (slong_t)SignedBits (m_data.slong, msbit, lsbit); else if (sizeof(m_data.flt) == sizeof(ulonglong_t)) m_data.slonglong = (slonglong_t)SignedBits (m_data.slonglong, msbit, lsbit); else return false; return true; case e_double: if (sizeof(m_data.dbl) == sizeof(sint_t)) m_data.sint = SignedBits (m_data.sint, msbit, lsbit); else if (sizeof(m_data.dbl) == sizeof(ulong_t)) m_data.slong = SignedBits (m_data.slong, msbit, lsbit); else if (sizeof(m_data.dbl) == sizeof(ulonglong_t)) m_data.slonglong = SignedBits (m_data.slonglong, msbit, lsbit); else return false; return true; case e_long_double: if (sizeof(m_data.ldbl) == sizeof(sint_t)) m_data.sint = SignedBits (m_data.sint, msbit, lsbit); else if (sizeof(m_data.ldbl) == sizeof(ulong_t)) m_data.slong = SignedBits (m_data.slong, msbit, lsbit); else if (sizeof(m_data.ldbl) == sizeof(ulonglong_t)) m_data.slonglong = SignedBits (m_data.slonglong, msbit, lsbit); else return false; return true; case Scalar::e_sint: m_data.sint = (sint_t)SignedBits (m_data.sint, msbit, lsbit); return true; case Scalar::e_uint: m_data.uint = (uint_t)UnsignedBits (m_data.uint, msbit, lsbit); return true; case Scalar::e_slong: m_data.slong = (slong_t)SignedBits (m_data.slong, msbit, lsbit); return true; case Scalar::e_ulong: m_data.ulong = (ulong_t)UnsignedBits (m_data.ulong, msbit, lsbit); return true; case Scalar::e_slonglong: m_data.slonglong = (slonglong_t)SignedBits (m_data.slonglong, msbit, lsbit); return true; case Scalar::e_ulonglong: m_data.ulonglong = (ulonglong_t)UnsignedBits (m_data.ulonglong, msbit, lsbit); return true; } return false; } bool lldb_private::operator== (const Scalar& lhs, const Scalar& rhs) { // If either entry is void then we can just compare the types if (lhs.m_type == Scalar::e_void || rhs.m_type == Scalar::e_void) return lhs.m_type == rhs.m_type; Scalar temp_value; const Scalar* a; const Scalar* b; switch (PromoteToMaxType(lhs, rhs, temp_value, a, b)) { case Scalar::e_void: break; case Scalar::e_sint: return a->m_data.sint == b->m_data.sint; case Scalar::e_uint: return a->m_data.uint == b->m_data.uint; case Scalar::e_slong: return a->m_data.slong == b->m_data.slong; case Scalar::e_ulong: return a->m_data.ulong == b->m_data.ulong; case Scalar::e_slonglong: return a->m_data.slonglong == b->m_data.slonglong; case Scalar::e_ulonglong: return a->m_data.ulonglong == b->m_data.ulonglong; case Scalar::e_float: return a->m_data.flt == b->m_data.flt; case Scalar::e_double: return a->m_data.dbl == b->m_data.dbl; case Scalar::e_long_double: return a->m_data.ldbl == b->m_data.ldbl; } return false; } bool lldb_private::operator!= (const Scalar& lhs, const Scalar& rhs) { // If either entry is void then we can just compare the types if (lhs.m_type == Scalar::e_void || rhs.m_type == Scalar::e_void) return lhs.m_type != rhs.m_type; Scalar temp_value; // A temp value that might get a copy of either promoted value const Scalar* a; const Scalar* b; switch (PromoteToMaxType(lhs, rhs, temp_value, a, b)) { case Scalar::e_void: break; case Scalar::e_sint: return a->m_data.sint != b->m_data.sint; case Scalar::e_uint: return a->m_data.uint != b->m_data.uint; case Scalar::e_slong: return a->m_data.slong != b->m_data.slong; case Scalar::e_ulong: return a->m_data.ulong != b->m_data.ulong; case Scalar::e_slonglong: return a->m_data.slonglong != b->m_data.slonglong; case Scalar::e_ulonglong: return a->m_data.ulonglong != b->m_data.ulonglong; case Scalar::e_float: return a->m_data.flt != b->m_data.flt; case Scalar::e_double: return a->m_data.dbl != b->m_data.dbl; case Scalar::e_long_double: return a->m_data.ldbl != b->m_data.ldbl; } return true; } bool lldb_private::operator< (const Scalar& lhs, const Scalar& rhs) { if (lhs.m_type == Scalar::e_void || rhs.m_type == Scalar::e_void) return false; Scalar temp_value; const Scalar* a; const Scalar* b; switch (PromoteToMaxType(lhs, rhs, temp_value, a, b)) { case Scalar::e_void: break; case Scalar::e_sint: return a->m_data.sint < b->m_data.sint; case Scalar::e_uint: return a->m_data.uint < b->m_data.uint; case Scalar::e_slong: return a->m_data.slong < b->m_data.slong; case Scalar::e_ulong: return a->m_data.ulong < b->m_data.ulong; case Scalar::e_slonglong: return a->m_data.slonglong < b->m_data.slonglong; case Scalar::e_ulonglong: return a->m_data.ulonglong < b->m_data.ulonglong; case Scalar::e_float: return a->m_data.flt < b->m_data.flt; case Scalar::e_double: return a->m_data.dbl < b->m_data.dbl; case Scalar::e_long_double: return a->m_data.ldbl < b->m_data.ldbl; } return false; } bool lldb_private::operator<= (const Scalar& lhs, const Scalar& rhs) { if (lhs.m_type == Scalar::e_void || rhs.m_type == Scalar::e_void) return false; Scalar temp_value; const Scalar* a; const Scalar* b; switch (PromoteToMaxType(lhs, rhs, temp_value, a, b)) { case Scalar::e_void: break; case Scalar::e_sint: return a->m_data.sint <= b->m_data.sint; case Scalar::e_uint: return a->m_data.uint <= b->m_data.uint; case Scalar::e_slong: return a->m_data.slong <= b->m_data.slong; case Scalar::e_ulong: return a->m_data.ulong <= b->m_data.ulong; case Scalar::e_slonglong: return a->m_data.slonglong <= b->m_data.slonglong; case Scalar::e_ulonglong: return a->m_data.ulonglong <= b->m_data.ulonglong; case Scalar::e_float: return a->m_data.flt <= b->m_data.flt; case Scalar::e_double: return a->m_data.dbl <= b->m_data.dbl; case Scalar::e_long_double: return a->m_data.ldbl <= b->m_data.ldbl; } return false; } bool lldb_private::operator> (const Scalar& lhs, const Scalar& rhs) { if (lhs.m_type == Scalar::e_void || rhs.m_type == Scalar::e_void) return false; Scalar temp_value; const Scalar* a; const Scalar* b; switch (PromoteToMaxType(lhs, rhs, temp_value, a, b)) { case Scalar::e_void: break; case Scalar::e_sint: return a->m_data.sint > b->m_data.sint; case Scalar::e_uint: return a->m_data.uint > b->m_data.uint; case Scalar::e_slong: return a->m_data.slong > b->m_data.slong; case Scalar::e_ulong: return a->m_data.ulong > b->m_data.ulong; case Scalar::e_slonglong: return a->m_data.slonglong > b->m_data.slonglong; case Scalar::e_ulonglong: return a->m_data.ulonglong > b->m_data.ulonglong; case Scalar::e_float: return a->m_data.flt > b->m_data.flt; case Scalar::e_double: return a->m_data.dbl > b->m_data.dbl; case Scalar::e_long_double: return a->m_data.ldbl > b->m_data.ldbl; } return false; } bool lldb_private::operator>= (const Scalar& lhs, const Scalar& rhs) { if (lhs.m_type == Scalar::e_void || rhs.m_type == Scalar::e_void) return false; Scalar temp_value; const Scalar* a; const Scalar* b; switch (PromoteToMaxType(lhs, rhs, temp_value, a, b)) { case Scalar::e_void: break; case Scalar::e_sint: return a->m_data.sint >= b->m_data.sint; case Scalar::e_uint: return a->m_data.uint >= b->m_data.uint; case Scalar::e_slong: return a->m_data.slong >= b->m_data.slong; case Scalar::e_ulong: return a->m_data.ulong >= b->m_data.ulong; case Scalar::e_slonglong: return a->m_data.slonglong >= b->m_data.slonglong; case Scalar::e_ulonglong: return a->m_data.ulonglong >= b->m_data.ulonglong; case Scalar::e_float: return a->m_data.flt >= b->m_data.flt; case Scalar::e_double: return a->m_data.dbl >= b->m_data.dbl; case Scalar::e_long_double: return a->m_data.ldbl >= b->m_data.ldbl; } return false; }