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Added spacebase references to the symbol linking process

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This commit is contained in:
caheckman 2019-12-05 14:40:23 -05:00
parent c886f01587
commit 917d2492e4
5 changed files with 85 additions and 17 deletions
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24
Ghidra/Features/Decompiler/src/decompile/cpp/printc.cc
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@ -770,16 +770,11 @@ void PrintC::opPtrsub(const PcodeOp *op)
}
}
else if (ct->getMetatype() == TYPE_SPACEBASE) {
TypeSpacebase *sb = (TypeSpacebase *)ct;
Scope *scope = sb->getMap();
Address addr = sb->getAddress(op->getIn(1)->getOffset(),in0->getSize(),op->getAddr());
if (addr.isInvalid())
throw LowlevelError("Unable to generate proper address from spacebase");
SymbolEntry *entry = scope->queryContainer(addr,1,Address());
Datatype *ct = (Datatype *)0;
HighVariable *high = op->getIn(1)->getHigh();
Symbol *symbol = high->getSymbol();
arrayvalue = false;
if (entry != (SymbolEntry *)0) {
ct = entry->getSymbol()->getType();
if (symbol != (Symbol *)0) {
ct = symbol->getType();
// The '&' is dropped if the output type is an array
if (ct->getMetatype()==TYPE_ARRAY) {
arrayvalue = valueon; // If printing value, use [0]
@ -795,18 +790,21 @@ void PrintC::opPtrsub(const PcodeOp *op)
if (arrayvalue)
pushOp(&subscript,op);
}
if (entry == (SymbolEntry *)0)
if (symbol == (Symbol *)0) {
TypeSpacebase *sb = (TypeSpacebase *)ct;
Address addr = sb->getAddress(op->getIn(1)->getOffset(),in0->getSize(),op->getAddr());
pushUnnamedLocation(addr,(Varnode *)0,op);
}
else {
int4 off = (int4)(addr.getOffset() - entry->getAddr().getOffset()) + entry->getOffset();
int4 off = high->getSymbolOffset();
if (off == 0)
pushSymbol(entry->getSymbol(),(Varnode *)0,op);
pushSymbol(symbol,(Varnode *)0,op);
else {
// If this "value" is getting used as a storage location
// we can't use a cast in its description, so turn off
// casting when printing the partial symbol
// Datatype *exttype = ((mods & print_store_value)!=0) ? (Datatype *)0 : ct;
pushPartialSymbol(entry->getSymbol(),off,0,(Varnode *)0,op,(Datatype *)0);
pushPartialSymbol(symbol,off,0,(Varnode *)0,op,(Datatype *)0);
}
}
if (arrayvalue)