kerneltest/e32utils/analyse/codespace.cpp
changeset 0 a41df078684a
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-1:000000000000 0:a41df078684a
       
     1 // Copyright (c) 2000-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of the License "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 //
       
    15 
       
    16 #include <crtdbg.h>
       
    17 #include "analyse.h"
       
    18 #include "codespace.h"
       
    19 
       
    20 #ifdef __MSVCDOTNET__
       
    21 #pragma warning(push, 3)	// cannot compile MSVC's STL at warning level 4
       
    22 #pragma warning(disable: 4786 4710 4530)
       
    23 #include <strstream>
       
    24 #include <iomanip>
       
    25 #else //!__MSVCDOTNET__
       
    26 #include <strstrea.h>
       
    27 #include <iomanip.h>
       
    28 #endif //__MSVCDOTNET__
       
    29 
       
    30 #include <algorithm>
       
    31 
       
    32 // class CodeSpace
       
    33 
       
    34 int CodeSpace::Size() const
       
    35 	{
       
    36 	return 1;
       
    37 	}
       
    38 
       
    39 int CodeSpace::Bucket(PC) const
       
    40 	{
       
    41 	return KOtherBucket;
       
    42 	}
       
    43 
       
    44 const char* CodeSpace::Name(int) const
       
    45 	{
       
    46 	return "<other>";
       
    47 	}
       
    48 
       
    49 CodeSpace::TOrder CodeSpace::Ordering() const
       
    50 	{
       
    51 	return ERandom;
       
    52 	}
       
    53 
       
    54 
       
    55 // class AddressCodeSpace
       
    56 
       
    57 AddressCodeSpace::AddressCodeSpace(PC aBase, PC aLimit, unsigned aBucketSize, TType aType)
       
    58 	:iBase(aBase), iType(aType)
       
    59 	{
       
    60 	if (aBucketSize < 1)
       
    61 		aBucketSize = 1;
       
    62 	unsigned shift;
       
    63 	for (shift = 0; (aBucketSize >> shift) != 1; ++shift)
       
    64 		;
       
    65 	iBucketShift = shift;
       
    66 	iBuckets = (aLimit - aBase + (1u << shift) - 1) >> shift;
       
    67 	}
       
    68 
       
    69 int AddressCodeSpace::Size() const
       
    70 	{
       
    71 	return iBuckets + 1;
       
    72 	}
       
    73 
       
    74 int AddressCodeSpace::Bucket(PC aPc) const
       
    75 	{
       
    76 	if (aPc >= iBase)
       
    77 		{
       
    78 		unsigned bucket = (aPc - iBase) >> iBucketShift;
       
    79 		if (bucket < iBuckets)
       
    80 			return bucket + 1;
       
    81 		}
       
    82 	return KOtherBucket;
       
    83 	}
       
    84 
       
    85 const char* AddressCodeSpace::Name(int aBucket) const
       
    86 	{
       
    87 	if (aBucket == KOtherBucket)
       
    88 		return CodeSpace::Name(aBucket);
       
    89 
       
    90 	unsigned offset = ((aBucket - 1) << iBucketShift);
       
    91 	strstream s(iBuffer, sizeof(iBuffer), ios::out);
       
    92 	s << hex << setfill('0');
       
    93 	if (iType == EAbsolute)
       
    94 		s << setw(8) << iBase + offset;
       
    95 	else
       
    96 		s << "+ " << setw(4) << offset;
       
    97 	s << setfill(' ') << '\0';
       
    98 	return iBuffer;
       
    99 	}
       
   100 
       
   101 CodeSpace::TOrder AddressCodeSpace::Ordering() const
       
   102 	{
       
   103 	return (iType == EAbsolute) ? EOrdered : ELinear;
       
   104 	}
       
   105 
       
   106 
       
   107 // class MappedCodeSpace
       
   108 
       
   109 MappedCodeSpace::MappedCodeSpace(const SymbolFile& aSymbols, MappedCodeSpace::Partition& aPartition)
       
   110 	{
       
   111 	aPartition.iCodeSpace = this;
       
   112 	aSymbols.Parse(aPartition);
       
   113 	}
       
   114 
       
   115 MappedCodeSpace::MappedCodeSpace() 
       
   116 	{}
       
   117 
       
   118 const MappedCodeSpace::Element* MappedCodeSpace::Find(PC aPc) const
       
   119 //
       
   120 // Find and return the element which contains this PC value
       
   121 // If not mapped return 0
       
   122 //
       
   123 	{
       
   124 	Map::const_iterator e = iMap.upper_bound(aPc);
       
   125 
       
   126 	// ignore deleted segments
       
   127 	for(;e != iMap.end() && aPc >= e->second.iBase;e++)
       
   128 		if (!e->second.iUnloaded)
       
   129 			return &e->second;
       
   130 	return 0;
       
   131 	}
       
   132 
       
   133 std::pair<const char*,unsigned> MappedCodeSpace::Lookup(PC aPc) const
       
   134 	{
       
   135 	const Element* e = Find(aPc);
       
   136 	if (e == 0)
       
   137 		return std::pair<const char*,unsigned>(0, aPc);
       
   138 	return std::pair<const char*,unsigned>(e->iName, aPc - e->iBase);
       
   139 	}
       
   140 
       
   141 int MappedCodeSpace::Size() const
       
   142 	{
       
   143 	return iMap.size() + 1;
       
   144 	}
       
   145 
       
   146 int MappedCodeSpace::Bucket(PC aPc) const
       
   147 	{
       
   148 	const Element* e = Find(aPc);
       
   149 	return (e == 0) ? KOtherBucket : e->iBucket + 1;
       
   150 	}
       
   151 
       
   152 const char* MappedCodeSpace::Name(int aBucket) const
       
   153 	{
       
   154 	return (aBucket == KOtherBucket) ? CodeSpace::Name(aBucket) : iNames[aBucket - 1];
       
   155 	}
       
   156 
       
   157 void MappedCodeSpace::Add(PC aBase, PC aLimit, const char* aName)
       
   158 	{
       
   159 	// insert
       
   160 	iMap.insert(Map::value_type(aLimit, Element(aBase, aLimit, aName)));
       
   161 	}
       
   162 
       
   163 void MappedCodeSpace::Done(PC aFirstPc, PC aLastPc, int aModuleId)
       
   164 	{
       
   165 	if (!aFirstPc)
       
   166 		{
       
   167 		iNames.clear();
       
   168 		for (Map::iterator p = iMap.begin(), e = iMap.end(); p != e; ++p)
       
   169 			{
       
   170 			p->second.iBucket = iNames.size();
       
   171 			iNames.push_back(p->second.iName);
       
   172 			}
       
   173 		}
       
   174 	else
       
   175 		{
       
   176 		Map::iterator p = iMap.find(aFirstPc);
       
   177 		_ASSERT(p != iMap.end());
       
   178 		for (Map::iterator e = iMap.end(); p != e && p->first <= aLastPc; ++p)
       
   179 			{
       
   180 			if (p->second.iUnloaded) 
       
   181 				continue;
       
   182 
       
   183 			bool bFound = false;
       
   184 			NamesMap::iterator pMap = iNamesMap.find(p->second.iName);
       
   185 			if (pMap != iNamesMap.end())
       
   186 				for(;!strcmp(p->second.iName, pMap->first);pMap++)
       
   187 					if (pMap->second.iId == aModuleId)
       
   188 						{
       
   189 						bFound = true;
       
   190 						break;
       
   191 						}
       
   192 			if (bFound)
       
   193 				p->second.iBucket = pMap->second.iIndex;
       
   194 			else
       
   195 				{
       
   196 				p->second.iBucket = iNames.size();
       
   197 				iNames.push_back(p->second.iName);
       
   198 				iNamesMap.insert(NamesMap::value_type(p->second.iName, IdNames(aModuleId, p->second.iBucket)));
       
   199 				}
       
   200 			}
       
   201 		}
       
   202 	}
       
   203