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GP-2157 Marshaling refactor. Decompiler side.

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caheckman 2022-05-17 16:15:21 -04:00
parent 672c1f11e2
commit d8c10bf229
97 changed files with 5313 additions and 3733 deletions
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30
Ghidra/Features/Decompiler/src/decompile/cpp/translate.hh
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@ -24,6 +24,22 @@
#include "pcoderaw.hh"
#include "float.hh"
extern AttributeId ATTRIB_CODE; ///< Marshaling attribute "code"
extern AttributeId ATTRIB_CONTAIN; ///< Marshaling attribute "contain"
extern AttributeId ATTRIB_DEFAULTSPACE; ///< Marshaling attribute "defaultspace"
extern AttributeId ATTRIB_UNIQBASE; ///< Marshaling attribute "uniqbase"
extern ElementId ELEM_OP; ///< Marshaling element \<op>
extern ElementId ELEM_SLEIGH; ///< Marshaling element \<sleigh>
extern ElementId ELEM_SPACE; ///< Marshaling element \<space>
extern ElementId ELEM_SPACEID; ///< Marshaling element \<spaceid>
extern ElementId ELEM_SPACES; ///< Marshaling element \<spaces>
extern ElementId ELEM_SPACE_BASE; ///< Marshaling element \<space_base>
extern ElementId ELEM_SPACE_OTHER; ///< Marshaling element \<space_other>
extern ElementId ELEM_SPACE_OVERLAY; ///< Marshaling element \<space_overlay>
extern ElementId ELEM_SPACE_UNIQUE; ///< Marshaling element \<space_unique>
extern ElementId ELEM_TRUNCATE_SPACE; ///< Marshaling element \<truncate_space>
// Some errors specific to the translation unit
/// \brief Exception for encountering unimplemented pcode
@ -64,7 +80,7 @@ class TruncationTag {
string spaceName; ///< Name of space to be truncated
uint4 size; ///< Size truncated addresses into the space
public:
void restoreXml(const Element *el); ///< Restore \b this from XML
void decode(Decoder &decoder); ///< Restore \b this from a stream
const string &getName(void) const { return spaceName; } ///< Get name of address space being truncated
uint4 getSize(void) const { return size; } ///< Size (of pointers) for new truncated space
};
@ -91,8 +107,8 @@ public:
/// \param isize is the number of input varnodes
virtual void dump(const Address &addr,OpCode opc,VarnodeData *outvar,VarnodeData *vars,int4 isize)=0;
/// Emit pcode directly from an XML tag
void restoreXmlOp(const Element *el,const AddrSpaceManager *trans);
/// Emit pcode directly from an \<op> element
void decodeOp(Decoder &decoder,const AddrSpaceManager *trans);
enum { // Tags for packed pcode format
unimpl_tag = 0x20,
@ -177,14 +193,14 @@ class SpacebaseSpace : public AddrSpace {
void setBaseRegister(const VarnodeData &data,int4 origSize,bool stackGrowth); ///< Set the base register at time space is created
public:
SpacebaseSpace(AddrSpaceManager *m,const Translate *t,const string &nm,int4 ind,int4 sz,AddrSpace *base,int4 dl);
SpacebaseSpace(AddrSpaceManager *m,const Translate *t); ///< For use with restoreXml
SpacebaseSpace(AddrSpaceManager *m,const Translate *t); ///< For use with decode
virtual int4 numSpacebase(void) const;
virtual const VarnodeData &getSpacebase(int4 i) const;
virtual const VarnodeData &getSpacebaseFull(int4 i) const;
virtual bool stackGrowsNegative(void) const { return isNegativeStack; }
virtual AddrSpace *getContain(void) const { return contain; } ///< Return containing space
virtual void saveXml(ostream &s) const;
virtual void restoreXml(const Element *el);
virtual void decode(Decoder &decoder);
};
/// \brief A record describing how logical values are split
@ -232,8 +248,8 @@ class AddrSpaceManager {
set<JoinRecord *,JoinRecordCompare> splitset; ///< Different splits that have been defined in join space
vector<JoinRecord *> splitlist; ///< JoinRecords indexed by join address
protected:
AddrSpace *restoreXmlSpace(const Element *el,const Translate *trans); ///< Add a space to the model based an on XML tag
void restoreXmlSpaces(const Element *el,const Translate *trans); ///< Restore address spaces in the model from an XML tag
AddrSpace *decodeSpace(Decoder &decoder,const Translate *trans); ///< Add a space to the model based an on XML tag
void decodeSpaces(Decoder &decoder,const Translate *trans); ///< Restore address spaces in the model from an XML tag
void setDefaultCodeSpace(int4 index); ///< Set the default address space (for code)
void setDefaultDataSpace(int4 index); ///< Set the default address space for data
void setReverseJustified(AddrSpace *spc); ///< Set reverse justified property on this space