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GP-2286 Formal boolean Varnodes

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caheckman 2022-07-05 17:21:27 -04:00
parent a438a1e1ea
commit d8835b0ecb
9 changed files with 74 additions and 48 deletions
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25
Ghidra/Features/Decompiler/src/decompile/cpp/funcdata.hh
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@ -58,14 +58,15 @@ class Funcdata {
blocks_unreachable = 4, ///< Set if at least one basic block is currently unreachable
processing_started = 8, ///< Set if processing has started
processing_complete = 0x10, ///< Set if processing completed
typerecovery_on = 0x20, ///< Set if data-type recovery is started
no_code = 0x40, ///< Set if there is no code available for this function
jumptablerecovery_on = 0x80, ///< Set if \b this Funcdata object is dedicated to jump-table recovery
jumptablerecovery_dont = 0x100, ///< Don't try to recover jump-tables, always truncate
restart_pending = 0x200, ///< Analysis must be restarted (because of new override info)
unimplemented_present = 0x400, ///< Set if function contains unimplemented instructions
baddata_present = 0x800, ///< Set if function flowed into bad data
double_precis_on = 0x1000 ///< Set if we are performing double precision recovery
typerecovery_on = 0x20, ///< Set if data-type analysis will be performed
typerecovery_start = 0x40, ///< Set if data-type recovery is started
no_code = 0x80, ///< Set if there is no code available for this function
jumptablerecovery_on = 0x100, ///< Set if \b this Funcdata object is dedicated to jump-table recovery
jumptablerecovery_dont = 0x200, ///< Don't try to recover jump-tables, always truncate
restart_pending = 0x400, ///< Analysis must be restarted (because of new override info)
unimplemented_present = 0x800, ///< Set if function contains unimplemented instructions
baddata_present = 0x1000, ///< Set if function flowed into bad data
double_precis_on = 0x2000 ///< Set if we are performing double precision recovery
};
uint4 flags; ///< Boolean properties associated with \b this function
uint4 clean_up_index; ///< Creation index of first Varnode created after start of cleanup
@ -144,7 +145,8 @@ public:
bool isProcStarted(void) const { return ((flags&processing_started)!=0); } ///< Has processing of the function started
bool isProcComplete(void) const { return ((flags&processing_complete)!=0); } ///< Is processing of the function complete
bool hasUnreachableBlocks(void) const { return ((flags&blocks_unreachable)!=0); } ///< Did this function exhibit unreachable code
bool isTypeRecoveryOn(void) const { return ((flags&typerecovery_on)!=0); } ///< Has data-type recovery processes started
bool isTypeRecoveryOn(void) const { return ((flags&typerecovery_on)!=0); } ///< Will data-type analysis be performed
bool hasTypeRecoveryStarted(void) const { return ((flags&typerecovery_start)!=0); } ///< Has data-type recovery processes started
bool hasNoCode(void) const { return ((flags & no_code)!=0); } ///< Return \b true if \b this function has no code body
void setNoCode(bool val) { if (val) flags |= no_code; else flags &= ~no_code; } ///< Toggle whether \b this has a body
void setLanedRegGenerated(void) { minLanedSize = 1000000; } ///< Mark that laned registers have been collected
@ -169,6 +171,11 @@ public:
void startProcessing(void); ///< Start processing for this function
void stopProcessing(void); ///< Mark that processing has completed for this function
bool startTypeRecovery(void); ///< Mark that data-type analysis has started
/// \brief Toggle whether data-type recovery will be performed on \b this function
///
/// \param val is \b true if data-type analysis is enabled
void setTypeRecovery(bool val) { flags = val ? (flags | typerecovery_on) : (flags & ~typerecovery_on); }
void startCastPhase(void) { cast_phase_index = vbank.getCreateIndex(); } ///< Start the \b cast insertion phase
uint4 getCastPhaseIndex(void) const { return cast_phase_index; } ///< Get creation index at the start of \b cast insertion
uint4 getHighLevelIndex(void) const { return high_level_index; } ///< Get creation index at the start of HighVariable creation