diff options
Diffstat (limited to 'source/Core/DataExtractor.cpp')
| -rw-r--r-- | source/Core/DataExtractor.cpp | 97 |
1 files changed, 64 insertions, 33 deletions
diff --git a/source/Core/DataExtractor.cpp b/source/Core/DataExtractor.cpp index 861bece98da96..dc7857fe9cb77 100644 --- a/source/Core/DataExtractor.cpp +++ b/source/Core/DataExtractor.cpp @@ -14,6 +14,7 @@ #include <limits> #include <sstream> #include <string> +#include <math.h> #include "clang/AST/ASTContext.h" @@ -130,8 +131,8 @@ ReadSwapInt64(const void* ptr) DataExtractor::DataExtractor () : m_start (NULL), m_end (NULL), - m_byte_order(lldb::endian::InlHostByteOrder()), - m_addr_size (4), + m_byte_order(endian::InlHostByteOrder()), + m_addr_size (sizeof(void *)), m_data_sp (), m_target_byte_size(1) { @@ -142,13 +143,16 @@ DataExtractor::DataExtractor () : // The data must stay around as long as this object is valid. //---------------------------------------------------------------------- DataExtractor::DataExtractor (const void* data, offset_t length, ByteOrder endian, uint32_t addr_size, uint32_t target_byte_size/*=1*/) : - m_start ((uint8_t*)data), - m_end ((uint8_t*)data + length), + m_start (const_cast<uint8_t *>(reinterpret_cast<const uint8_t *>(data))), + m_end (const_cast<uint8_t *>(reinterpret_cast<const uint8_t *>(data)) + length), m_byte_order(endian), m_addr_size (addr_size), m_data_sp (), m_target_byte_size(target_byte_size) { +#ifdef LLDB_CONFIGURATION_DEBUG + assert (addr_size == 4 || addr_size == 8); +#endif } //---------------------------------------------------------------------- @@ -166,6 +170,9 @@ DataExtractor::DataExtractor (const DataBufferSP& data_sp, ByteOrder endian, uin m_data_sp (), m_target_byte_size(target_byte_size) { +#ifdef LLDB_CONFIGURATION_DEBUG + assert (addr_size == 4 || addr_size == 8); +#endif SetData (data_sp); } @@ -184,6 +191,9 @@ DataExtractor::DataExtractor (const DataExtractor& data, offset_t offset, offset m_data_sp(), m_target_byte_size(target_byte_size) { +#ifdef LLDB_CONFIGURATION_DEBUG + assert (m_addr_size == 4 || m_addr_size == 8); +#endif if (data.ValidOffset(offset)) { offset_t bytes_available = data.GetByteSize() - offset; @@ -201,6 +211,9 @@ DataExtractor::DataExtractor (const DataExtractor& rhs) : m_data_sp (rhs.m_data_sp), m_target_byte_size(rhs.m_target_byte_size) { +#ifdef LLDB_CONFIGURATION_DEBUG + assert (m_addr_size == 4 || m_addr_size == 8); +#endif } //---------------------------------------------------------------------- @@ -237,8 +250,8 @@ DataExtractor::Clear () { m_start = NULL; m_end = NULL; - m_byte_order = lldb::endian::InlHostByteOrder(); - m_addr_size = 4; + m_byte_order = endian::InlHostByteOrder(); + m_addr_size = sizeof(void *); m_data_sp.reset(); } @@ -287,7 +300,7 @@ DataExtractor::SetData (const void *bytes, offset_t length, ByteOrder endian) } else { - m_start = (uint8_t *)bytes; + m_start = const_cast<uint8_t *>(reinterpret_cast<const uint8_t *>(bytes)); m_end = m_start + length; } return GetByteSize(); @@ -311,6 +324,9 @@ lldb::offset_t DataExtractor::SetData (const DataExtractor& data, offset_t data_offset, offset_t data_length) { m_addr_size = data.m_addr_size; +#ifdef LLDB_CONFIGURATION_DEBUG + assert (m_addr_size == 4 || m_addr_size == 8); +#endif // If "data" contains shared pointer to data, then we can use that if (data.m_data_sp.get()) { @@ -427,7 +443,7 @@ DataExtractor::GetU16 (offset_t *offset_ptr) const const uint8_t *data = (const uint8_t *)GetData (offset_ptr, sizeof(val)); if (data) { - if (m_byte_order != lldb::endian::InlHostByteOrder()) + if (m_byte_order != endian::InlHostByteOrder()) val = ReadSwapInt16(data); else val = ReadInt16 (data); @@ -439,7 +455,7 @@ uint16_t DataExtractor::GetU16_unchecked (offset_t *offset_ptr) const { uint16_t val; - if (m_byte_order == lldb::endian::InlHostByteOrder()) + if (m_byte_order == endian::InlHostByteOrder()) val = ReadInt16 (m_start, *offset_ptr); else val = ReadSwapInt16(m_start, *offset_ptr); @@ -451,7 +467,7 @@ uint32_t DataExtractor::GetU32_unchecked (offset_t *offset_ptr) const { uint32_t val; - if (m_byte_order == lldb::endian::InlHostByteOrder()) + if (m_byte_order == endian::InlHostByteOrder()) val = ReadInt32 (m_start, *offset_ptr); else val = ReadSwapInt32 (m_start, *offset_ptr); @@ -463,7 +479,7 @@ uint64_t DataExtractor::GetU64_unchecked (offset_t *offset_ptr) const { uint64_t val; - if (m_byte_order == lldb::endian::InlHostByteOrder()) + if (m_byte_order == endian::InlHostByteOrder()) val = ReadInt64 (m_start, *offset_ptr); else val = ReadSwapInt64 (m_start, *offset_ptr); @@ -488,7 +504,7 @@ DataExtractor::GetU16 (offset_t *offset_ptr, void *void_dst, uint32_t count) con const uint16_t *src = (const uint16_t *)GetData (offset_ptr, src_size); if (src) { - if (m_byte_order != lldb::endian::InlHostByteOrder()) + if (m_byte_order != endian::InlHostByteOrder()) { uint16_t *dst_pos = (uint16_t *)void_dst; uint16_t *dst_end = dst_pos + count; @@ -523,7 +539,7 @@ DataExtractor::GetU32 (offset_t *offset_ptr) const const uint8_t *data = (const uint8_t *)GetData (offset_ptr, sizeof(val)); if (data) { - if (m_byte_order != lldb::endian::InlHostByteOrder()) + if (m_byte_order != endian::InlHostByteOrder()) { val = ReadSwapInt32 (data); } @@ -551,7 +567,7 @@ DataExtractor::GetU32 (offset_t *offset_ptr, void *void_dst, uint32_t count) con const uint32_t *src = (const uint32_t *)GetData (offset_ptr, src_size); if (src) { - if (m_byte_order != lldb::endian::InlHostByteOrder()) + if (m_byte_order != endian::InlHostByteOrder()) { uint32_t *dst_pos = (uint32_t *)void_dst; uint32_t *dst_end = dst_pos + count; @@ -586,7 +602,7 @@ DataExtractor::GetU64 (offset_t *offset_ptr) const const uint8_t *data = (const uint8_t *)GetData (offset_ptr, sizeof(val)); if (data) { - if (m_byte_order != lldb::endian::InlHostByteOrder()) + if (m_byte_order != endian::InlHostByteOrder()) { val = ReadSwapInt64 (data); } @@ -612,7 +628,7 @@ DataExtractor::GetU64 (offset_t *offset_ptr, void *void_dst, uint32_t count) con const uint64_t *src = (const uint64_t *)GetData (offset_ptr, src_size); if (src) { - if (m_byte_order != lldb::endian::InlHostByteOrder()) + if (m_byte_order != endian::InlHostByteOrder()) { uint64_t *dst_pos = (uint64_t *)void_dst; uint64_t *dst_end = dst_pos + count; @@ -653,7 +669,7 @@ DataExtractor::GetMaxU32 (offset_t *offset_ptr, size_t byte_size) const case 2: return GetU16(offset_ptr); break; case 4: return GetU32(offset_ptr); break; default: - assert("GetMaxU32 unhandled case!" == NULL); + assert(false && "GetMaxU32 unhandled case!"); break; } return 0; @@ -679,7 +695,7 @@ DataExtractor::GetMaxU64 (offset_t *offset_ptr, size_t size) const case 4: return GetU32(offset_ptr); break; case 8: return GetU64(offset_ptr); break; default: - assert("GetMax64 unhandled case!" == NULL); + assert(false && "GetMax64 unhandled case!"); break; } return 0; @@ -695,7 +711,7 @@ DataExtractor::GetMaxU64_unchecked (offset_t *offset_ptr, size_t size) const case 4: return GetU32_unchecked (offset_ptr); break; case 8: return GetU64_unchecked (offset_ptr); break; default: - assert("GetMax64 unhandled case!" == NULL); + assert(false && "GetMax64 unhandled case!"); break; } return 0; @@ -711,7 +727,7 @@ DataExtractor::GetMaxS64 (offset_t *offset_ptr, size_t size) const case 4: return (int32_t)GetU32(offset_ptr); break; case 8: return (int64_t)GetU64(offset_ptr); break; default: - assert("GetMax64 unhandled case!" == NULL); + assert(false && "GetMax64 unhandled case!"); break; } return 0; @@ -760,7 +776,7 @@ DataExtractor::GetFloat (offset_t *offset_ptr) const const float_type *src = (const float_type *)GetData (offset_ptr, src_size); if (src) { - if (m_byte_order != lldb::endian::InlHostByteOrder()) + if (m_byte_order != endian::InlHostByteOrder()) { const uint8_t *src_data = (const uint8_t *)src; uint8_t *dst_data = (uint8_t *)&val; @@ -784,7 +800,7 @@ DataExtractor::GetDouble (offset_t *offset_ptr) const const float_type *src = (const float_type *)GetData (offset_ptr, src_size); if (src) { - if (m_byte_order != lldb::endian::InlHostByteOrder()) + if (m_byte_order != endian::InlHostByteOrder()) { const uint8_t *src_data = (const uint8_t *)src; uint8_t *dst_data = (uint8_t *)&val; @@ -805,9 +821,9 @@ DataExtractor::GetLongDouble (offset_t *offset_ptr) const { long double val = 0.0; #if defined (__i386__) || defined (__amd64__) || defined (__x86_64__) || defined(_M_IX86) || defined(_M_IA64) || defined(_M_X64) - *offset_ptr += CopyByteOrderedData (*offset_ptr, 10, &val, sizeof(val), lldb::endian::InlHostByteOrder()); + *offset_ptr += CopyByteOrderedData (*offset_ptr, 10, &val, sizeof(val), endian::InlHostByteOrder()); #else - *offset_ptr += CopyByteOrderedData (*offset_ptr, sizeof(val), &val, sizeof(val), lldb::endian::InlHostByteOrder()); + *offset_ptr += CopyByteOrderedData (*offset_ptr, sizeof(val), &val, sizeof(val), endian::InlHostByteOrder()); #endif return val; } @@ -824,12 +840,18 @@ DataExtractor::GetLongDouble (offset_t *offset_ptr) const uint64_t DataExtractor::GetAddress (offset_t *offset_ptr) const { +#ifdef LLDB_CONFIGURATION_DEBUG + assert (m_addr_size == 4 || m_addr_size == 8); +#endif return GetMaxU64 (offset_ptr, m_addr_size); } uint64_t DataExtractor::GetAddress_unchecked (offset_t *offset_ptr) const { +#ifdef LLDB_CONFIGURATION_DEBUG + assert (m_addr_size == 4 || m_addr_size == 8); +#endif return GetMaxU64_unchecked (offset_ptr, m_addr_size); } @@ -844,6 +866,9 @@ DataExtractor::GetAddress_unchecked (offset_t *offset_ptr) const uint64_t DataExtractor::GetPointer (offset_t *offset_ptr) const { +#ifdef LLDB_CONFIGURATION_DEBUG + assert (m_addr_size == 4 || m_addr_size == 8); +#endif return GetMaxU64 (offset_ptr, m_addr_size); } @@ -863,6 +888,9 @@ DataExtractor::GetGNUEHPointer (offset_t *offset_ptr, uint32_t eh_ptr_enc, lldb: uint64_t baseAddress = 0; uint64_t addressValue = 0; const uint32_t addr_size = GetAddressByteSize(); +#ifdef LLDB_CONFIGURATION_DEBUG + assert (addr_size == 4 || addr_size == 8); +#endif bool signExtendValue = false; // Decode the base part or adjust our offset @@ -1378,24 +1406,21 @@ DumpAPInt (Stream *s, const DataExtractor &data, lldb::offset_t offset, lldb::of return offset; } -static float half2float (uint16_t half) +static float +half2float (uint16_t half) { -#ifdef _MSC_VER - llvm_unreachable("half2float not implemented for MSVC"); -#else - union{ float f; uint32_t u;}u; + union { float f; uint32_t u; } u; int32_t v = (int16_t) half; - - if( 0 == (v & 0x7c00)) + + if (0 == (v & 0x7c00)) { u.u = v & 0x80007FFFU; return u.f * ldexpf(1, 125); } - + v <<= 13; u.u = v | 0x70000000U; return u.f * ldexpf(1, -112); -#endif } lldb::offset_t @@ -2012,6 +2037,12 @@ DataExtractor::Dump (Stream *s, s->PutChar('}'); break; + case eFormatVectorOfFloat16: + s->PutChar('{'); + offset = Dump (s, offset, eFormatFloat, 2, item_byte_size / 2, item_byte_size / 2, LLDB_INVALID_ADDRESS, 0, 0); + s->PutChar('}'); + break; + case eFormatVectorOfFloat32: s->PutChar('{'); offset = Dump (s, offset, eFormatFloat, 4, item_byte_size / 4, item_byte_size / 4, LLDB_INVALID_ADDRESS, 0, 0); |