yetangitu/ghidra
1
0
Fork 0
mirror of https://github.com/NationalSecurityAgency/ghidra.git synced 2025-10-04 10:19:23 +02:00
Code Issues Releases Wiki Activity

GP-2436_fixed_args_varags_functions

Browse source
This commit is contained in:
James 2022-08-09 16:56:18 +00:00
parent c523b2b9d4
commit 109696fad1
3 changed files with 34 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

7
Ghidra/Features/Decompiler/src/decompile/cpp/fspec.hh
View file

@ -221,9 +221,10 @@ private:
int4 slot; ///< Slot assigned to this trial
const ParamEntry *entry; ///< PrototypeModel entry matching this trial
int4 offset; ///< "justified" offset into entry
int4 fixedPosition; ///< argument position if a fixed arg of a varargs function, else -1
public:
/// \brief Construct from components
ParamTrial(const Address &ad,int4 sz,int4 sl) { addr = ad; size = sz; slot = sl; flags=0; entry=(ParamEntry *)0; offset=-1; }
ParamTrial(const Address &ad,int4 sz,int4 sl) { addr = ad; size = sz; slot = sl; flags=0; entry=(ParamEntry *)0; offset=-1; fixedPosition = -1; }
const Address &getAddress(void) const { return addr; } ///< Get the starting address of \b this trial
int4 getSize(void) const { return size; } ///< Get the number of bytes in \b this trial
int4 getSlot(void) const { return slot; } ///< Get the \e slot associated with \b this trial
@ -259,6 +260,8 @@ public:
ParamTrial splitLo(int4 sz) const; ///< Create a trial representing the last part of \b this
bool testShrink(const Address &newaddr,int4 sz) const; ///< Test if \b this trial can be made smaller
bool operator<(const ParamTrial &b) const; ///< Sort trials in formal parameter order
void setFixedPosition(int4 pos) { fixedPosition = pos; } ///< Set fixed position
static bool fixedPositionCompare(const ParamTrial &a, const ParamTrial &b); ///< Sort by fixed position; stable for fixedPosition = -1
};
/// \brief Container class for ParamTrial objects
@ -319,6 +322,8 @@ public:
/// \param addr is the new range's starting address
/// \param sz is the new range's size in bytes
void shrink(int4 i,const Address &addr,int4 sz) { trial[i].setAddress(addr,sz); }
void sortFixedPosition(void) {sort(trial.begin(),trial.end(),ParamTrial::fixedPositionCompare);} ///< sort the trials by fixed position then <
};
/// \brief A special space for encoding FuncCallSpecs