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[WIP][NewMFPABI] Use enums from the model

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This commit is contained in:
Qian Matteo Chen
2021-03-01 08:32:24 -08:00
committed by Alessandro Di Federico
parent e46473b0b1
commit ff173aea81
1 changed files with 33 additions and 15 deletions
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include/revng/ABIAnalyses/Common.h
+33 -15
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@@ -12,11 +12,25 @@
#include "revng/BasicAnalyses/GeneratedCodeBasicInfo.h"
#include "revng/MFP/MFP.h"
#include "revng/Model/Binary.h"
#include "revng/StackAnalysis/StackAnalysis.h"
#include "revng/Support/revng.h"
namespace ABIAnalyses {
enum TransferKind { Read, Write, WeakWrite, TheCall, None };
using Register = model::Register::Values;
enum TransferKind {
Read,
Write,
WeakWrite,
TheCall,
None,
// legacy transfer functions
ReturnFromMaybe,
ReturnFromNoOrDead,
ReturnFromUnknown,
UnknownFunctionCall
};
struct ABIAnalysis {
@@ -31,31 +45,35 @@ struct ABIAnalysis {
for (auto *CSV : GCBI.abiRegisters())
if (CSV) {
ABIRegisters[CSV] = ABIRegisters.size();
IndexABIRegisters[ABIRegisters[CSV]] = CSV;
Register Register = model::Register::fromRegisterName(CSV->getName(),
GCBI.arch());
if (Register != model::Register::Invalid) {
ABIRegisters[CSV] = Register;
IndexABIRegisters[ABIRegisters[CSV]] = CSV;
}
}
};
llvm::DenseMap<llvm::GlobalVariable *, int32_t> ABIRegisters;
llvm::DenseMap<int32_t, llvm::GlobalVariable *> IndexABIRegisters;
llvm::DenseMap<llvm::GlobalVariable *, Register> ABIRegisters;
llvm::DenseMap<Register, llvm::GlobalVariable *> IndexABIRegisters;
const llvm::Instruction *CallSite;
const StackAnalysis::FunctionProperties &Properties;
const GeneratedCodeBasicInfo &GCBI;
bool isABIRegister(const llvm::Value *) const;
bool isABIRegister(int32_t RegID) const;
bool isABIRegister(Register RegID) const;
/// Returns the corresponding global variable for a RegID or nullptr if the id
/// is invalid
llvm::GlobalVariable *getABIRegister(int32_t RegID) const;
llvm::GlobalVariable *getABIRegister(Register RegID) const;
TransferKind classifyInstruction(const llvm::Instruction *) const;
llvm::SmallVector<int32_t, 1>
llvm::SmallVector<Register, 1>
getRegistersWritten(const llvm::Instruction *) const;
llvm::SmallVector<int32_t, 1>
llvm::SmallVector<Register, 1>
getRegistersRead(const llvm::Instruction *) const;
};
@@ -68,11 +86,11 @@ inline bool ABIAnalysis::isABIRegister(const llvm::Value *V) const {
return false;
}
inline bool ABIAnalysis::isABIRegister(int32_t RegID) const {
inline bool ABIAnalysis::isABIRegister(Register RegID) const {
return IndexABIRegisters.count(RegID);
}
inline llvm::GlobalVariable *ABIAnalysis::getABIRegister(int32_t RegID) const {
inline llvm::GlobalVariable *ABIAnalysis::getABIRegister(Register RegID) const {
if (isABIRegister(RegID)) {
return IndexABIRegisters.lookup(RegID);
}
@@ -106,9 +124,9 @@ ABIAnalysis::classifyInstruction(const llvm::Instruction *I) const {
return None;
}
inline llvm::SmallVector<int32_t, 1>
inline llvm::SmallVector<Register, 1>
ABIAnalysis::getRegistersWritten(const llvm::Instruction *I) const {
llvm::SmallVector<int32_t, 1> Result;
llvm::SmallVector<Register, 1> Result;
switch (I->getOpcode()) {
case llvm::Instruction::Store: {
auto S = llvm::cast<llvm::StoreInst>(I);
@@ -122,9 +140,9 @@ ABIAnalysis::getRegistersWritten(const llvm::Instruction *I) const {
return Result;
}
inline llvm::SmallVector<int32_t, 1>
inline llvm::SmallVector<Register, 1>
ABIAnalysis::getRegistersRead(const llvm::Instruction *I) const {
llvm::SmallVector<int32_t, 1> Result;
llvm::SmallVector<Register, 1> Result;
switch (I->getOpcode()) {
case llvm::Instruction::Load: {
auto L = llvm::cast<llvm::LoadInst>(I);