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-rw-r--r--tools/debugserver/source/DNBDataRef.h125
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diff --git a/tools/debugserver/source/DNBDataRef.h b/tools/debugserver/source/DNBDataRef.h
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index 9a19f20227e6..000000000000
--- a/tools/debugserver/source/DNBDataRef.h
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-//===-- DNBDataRef.h --------------------------------------------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// Created by Greg Clayton on 1/11/06.
-//
-//===----------------------------------------------------------------------===//
-//
-// DNBDataRef is a class that can extract data in normal or byte
-// swapped order from a data buffer that someone else owns. The data
-// buffer needs to remain intact as long as the DNBDataRef object
-// needs the data. Strings returned are pointers into the data buffer
-// and will need to be copied if they are needed after the data buffer
-// is no longer around.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef __DNBDataRef_h__
-#define __DNBDataRef_h__
-
-#include "DNBDefs.h"
-#include <limits.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <string.h>
-
-class DNBDataRef {
-public:
- // For use with Dump
- typedef enum {
- TypeUInt8 = 0,
- TypeChar,
- TypeUInt16,
- TypeUInt32,
- TypeUInt64,
- TypePointer,
- TypeULEB128,
- TypeSLEB128
- } Type;
- typedef uint32_t offset_t;
- typedef nub_addr_t addr_t;
-
- DNBDataRef();
- DNBDataRef(const uint8_t *start, size_t size, bool swap);
- ~DNBDataRef();
- void Clear() {
- DNBDataRef::SetData(NULL, 0);
- m_swap = false;
- }
-
- size_t BytesLeft(size_t offset) const {
- const size_t size = GetSize();
- if (size > offset)
- return size - offset;
- return 0;
- }
-
- bool ValidOffset(offset_t offset) const { return BytesLeft(offset) > 0; }
- bool ValidOffsetForDataOfSize(offset_t offset, uint32_t num_bytes) const {
- return num_bytes <= BytesLeft(offset);
- }
- size_t GetSize() const { return m_end - m_start; }
- const uint8_t *GetDataStart() const { return m_start; }
- const uint8_t *GetDataEnd() const { return m_end; }
- bool GetSwap() const { return m_swap; }
- void SetSwap(bool swap) { m_swap = swap; }
- void SetData(const uint8_t *start, size_t size) {
- m_start = start;
- if (m_start != NULL)
- m_end = start + size;
- else
- m_end = NULL;
- }
- uint8_t GetPointerSize() const { return m_ptrSize; }
- void SetPointerSize(uint8_t size) { m_ptrSize = size; }
- void SetEHPtrBaseAddrPCRelative(addr_t addr = INVALID_NUB_ADDRESS) {
- m_addrPCRelative = addr;
- }
- void SetEHPtrBaseAddrTEXT(addr_t addr = INVALID_NUB_ADDRESS) {
- m_addrTEXT = addr;
- }
- void SetEHPtrBaseAddrDATA(addr_t addr = INVALID_NUB_ADDRESS) {
- m_addrDATA = addr;
- }
- uint8_t Get8(offset_t *offset_ptr) const;
- uint16_t Get16(offset_t *offset_ptr) const;
- uint32_t Get32(offset_t *offset_ptr) const;
- uint64_t Get64(offset_t *offset_ptr) const;
- uint32_t GetMax32(offset_t *offset_ptr, uint32_t byte_size) const;
- uint64_t GetMax64(offset_t *offset_ptr, uint32_t byte_size) const;
- uint64_t GetPointer(offset_t *offset_ptr) const;
- // uint64_t GetDwarfEHPtr(offset_t *offset_ptr, uint32_t eh_ptr_enc)
- // const;
- const char *GetCStr(offset_t *offset_ptr, uint32_t fixed_length = 0) const;
- const char *PeekCStr(offset_t offset) const {
- if (ValidOffset(offset))
- return (const char *)m_start + offset;
- return NULL;
- }
-
- const uint8_t *GetData(offset_t *offset_ptr, uint32_t length) const;
- uint64_t Get_ULEB128(offset_t *offset_ptr) const;
- int64_t Get_SLEB128(offset_t *offset_ptr) const;
- void Skip_LEB128(offset_t *offset_ptr) const;
-
- uint32_t Dump(offset_t startOffset, offset_t endOffset, uint64_t offsetBase,
- DNBDataRef::Type type, uint32_t numPerLine,
- const char *typeFormat = NULL);
-
-protected:
- const uint8_t *m_start;
- const uint8_t *m_end;
- bool m_swap;
- uint8_t m_ptrSize;
- addr_t m_addrPCRelative;
- addr_t m_addrTEXT;
- addr_t m_addrDATA;
-};
-
-#endif // #ifndef __DNBDataRef_h__