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Code Issues Releases Wiki Activity

Refactor ParamEntry look-up allowing "contained by" discovery

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This commit is contained in:
caheckman 2019-07-08 13:54:03 -04:00
parent ef12c20829
commit 12d3da029b
13 changed files with 690 additions and 286 deletions
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44
Ghidra/Features/Decompiler/src/decompile/cpp/database.cc
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@ -29,17 +29,6 @@ SymbolEntry::SymbolEntry(Symbol *sym)
size = -1;
}
/// This constructor is for use with rangemap container. It must be followed
/// by an initialize() call.
/// \param a is the first offset covered by the new SymbolEntry
/// \param b is the last offset covered
SymbolEntry::SymbolEntry(uintb a,uintb b)
{
addr = Address(addr.getSpace(),a);
size = (b-a)+1;
}
/// This is used specifically for \e dynamic Symbol objects, where the storage location
/// is attached to a temporary register or a constant. The main address field (\b addr)
/// is set to \e invalid, and the \b hash becomes the primary location information.
@ -64,12 +53,15 @@ SymbolEntry::SymbolEntry(Symbol *sym,uint4 exfl,uint8 h,int4 off,int4 sz,const R
/// Assuming the boundary offsets have been specified with
/// the constructor, fill in the rest of the data.
/// \param data contains the raw initialization data
void SymbolEntry::initialize(const EntryInitData &data)
/// \param a is the starting offset of the entry
/// \param b is the ending offset of the entry
void SymbolEntry::initialize(const EntryInitData &data,uintb a,uintb b)
{
addr = Address(data.space,a);
size = (b-a)+1;
symbol = data.symbol;
extraflags = data.extraflags;
addr = Address(data.space,addr.getOffset());
offset = data.offset;
uselimit = data.uselimit;
}
@ -2005,32 +1997,6 @@ SymbolEntry *ScopeInternal::findOverlap(const Address &addr,int4 size) const
return (SymbolEntry *)0;
}
SymbolEntry *ScopeInternal::findBefore(const Address &addr) const
{
EntryMap *rangemap = maptable[ addr.getSpace()->getIndex() ];
if (rangemap != (EntryMap *)0) {
EntryMap::const_iterator iter;
iter = rangemap->find_lastbefore(addr.getOffset());
if (iter != rangemap->end())
return &(*iter);
}
return (SymbolEntry *)0;
}
SymbolEntry *ScopeInternal::findAfter(const Address &addr) const
{
EntryMap *rangemap = maptable[ addr.getSpace()->getIndex() ];
if (rangemap != (EntryMap *)0) {
EntryMap::const_iterator iter;
iter = rangemap->find_firstafter(addr.getOffset());
if (iter != rangemap->end())
return &(*iter);
}
return (SymbolEntry *)0;
}
void ScopeInternal::findByName(const string &name,vector<Symbol *> &res) const
{