yetangitu/ghidra
1
0
Fork 0
mirror of https://github.com/NationalSecurityAgency/ghidra.git synced 2025-10-04 18:29:37 +02:00
Code Issues Releases Wiki Activity

adjustments to floating-point printing

Browse source
This commit is contained in:
caheckman 2020-06-03 17:48:52 -04:00
parent 91ef0680da
commit a027a5cdd8
3 changed files with 46 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

3
Ghidra/Features/Decompiler/src/decompile/cpp/float.hh
View file

@ -46,6 +46,7 @@ private:
int4 exp_size; ///< Number of bits in exponent
int4 bias; ///< What to add to real exponent to get encoding
int4 maxexponent; ///< Maximum possible exponent
int4 decimal_precision; ///< Number of decimal digits of precision
bool jbitimplied; ///< Set to \b true if integer bit of 1 is assumed
static double createFloat(bool sign,uintb signif,int4 exp); ///< Create a double given sign, fractional, and exponent
static floatclass extractExpSig(double x,bool *sgn,uintb *signif,int4 *exp);
@ -55,12 +56,14 @@ private:
uintb getZeroEncoding(bool sgn) const; ///< Get an encoded zero value
uintb getInfinityEncoding(bool sgn) const; ///< Get an encoded infinite value
uintb getNaNEncoding(bool sgn) const; ///< Get an encoded NaN value
void calcPrecision(void); ///< Calculate the decimal precision of this format
public:
FloatFormat(void) {} ///< Construct for use with restoreXml()
FloatFormat(int4 sz); ///< Construct default IEEE 754 standard settings
int4 getSize(void) const { return size; } ///< Get the size of the encoding in bytes
double getHostFloat(uintb encoding,floatclass *type) const; ///< Convert an encoding into host's double
uintb getEncoding(double host) const; ///< Convert host's double into \b this encoding
int4 getDecimalPrecision(void) const { return decimal_precision; } ///< Get number of digits of precision
uintb convertEncoding(uintb encoding,const FloatFormat *formin) const; ///< Convert between two different formats
uintb extractFractionalCode(uintb x) const; ///< Extract the fractional part of the encoding