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value set analysis

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caheckman 2019-05-24 13:07:11 -04:00
parent 25894ff9ae
commit e96f39a98f
10 changed files with 1853 additions and 460 deletions
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5
Ghidra/Features/Decompiler/src/decompile/cpp/address.hh
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@ -482,7 +482,7 @@ inline uintb pcode_left(uintb val,int4 sa) {
return val << sa;
}
extern bool signbit_negative(uintb val,int4 size); ///< Return true if the sign-big is set
extern bool signbit_negative(uintb val,int4 size); ///< Return true if the sign-bit is set
extern uintb calc_mask(int4 size); ///< Calculate a mask for a given byte size
extern uintb uintb_negate(uintb in,int4 size); ///< Negate the \e sized value
extern uintb sign_extend(uintb in,int4 sizein,int4 sizeout); ///< Sign-extend a value between two byte sizes
@ -493,7 +493,8 @@ extern void byte_swap(intb &val,int4 size); ///< Swap bytes in the given value
extern uintb byte_swap(uintb val,int4 size); ///< Return the given value with bytes swapped
extern int4 leastsigbit_set(uintb val); ///< Return index of least significant bit set in given value
extern int4 mostsigbit_set(uintb val); ///< Return index of most significant bit set in given val
extern int4 mostsigbit_set(uintb val); ///< Return index of most significant bit set in given value
extern int4 count_leading_zeros(uintb val); ///< Return the number of leading zero bits in the given value
extern uintb coveringmask(uintb val); ///< Return a mask that \e covers the given value
extern int4 bit_transitions(uintb val,int4 sz); ///< Calculate the number of bit transitions in the sized value