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/* STARSProgram.cpp: Base class
* Copyright 2015 by Zephyr Software LLC
*/
#include <algorithm>
#include <iostream>
#include <sstream>
#include "interfaces/STARSTypes.h"
#include "interfaces/SMPDBInterface.h"
// #include "interfaces/abstract/all.h"
#include "base/SMPDataFlowAnalysis.h"
#include "base/SMPProgram.h"
using namespace std;
// Data initialization
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void STARS_Program_t::MDInitializeCallerSavedRegs(void) {
this->STARS_MDCallerSavedRegs.clear();
bool x86_64_ISA_flag = false;
#ifdef __EA64__
x86_64_ISA_flag = (this->GetSTARS_ISA_Bitwidth() == 64);
#endif
if (!x86_64_ISA_flag) {
// 32-bit x86 uses EAX, ECX, EDX as caller-saved.
this->STARS_MDCallerSavedRegs.push_back(STARS_x86_R_ax);
this->STARS_MDCallerSavedRegs.push_back(STARS_x86_R_cx);
this->STARS_MDCallerSavedRegs.push_back(STARS_x86_R_dx);
}
else {
// 64-bit x86 uses EDI, ESI, EDX, ECX, R8 and R9
// in that order. After six arguments that fit into
// these regs, arguments are passed on the stack.
// In addition, registers EAX, R10 and R11 are caller-saved
// but are not used to pass arguments.
this->STARS_MDCallerSavedRegs.push_back(STARS_x86_R_ax);
this->STARS_MDCallerSavedRegs.push_back(STARS_x86_R_cx);
this->STARS_MDCallerSavedRegs.push_back(STARS_x86_R_dx);
this->STARS_MDCallerSavedRegs.push_back(STARS_x86_R_si);
this->STARS_MDCallerSavedRegs.push_back(STARS_x86_R_di);
this->STARS_MDCallerSavedRegs.push_back(STARS_x86_R_r8);
this->STARS_MDCallerSavedRegs.push_back(STARS_x86_R_r9);
this->STARS_MDCallerSavedRegs.push_back(STARS_x86_R_r10);
this->STARS_MDCallerSavedRegs.push_back(STARS_x86_R_r11);
}
return;
} // end of STARS_IDA_Program_t::MDInitializeCallerSavedRegs()
void STARS_Program_t::MDInitializeArgumentRegs(void) {
bool x86_64_ISA_flag = false;
#ifdef __EA64__
x86_64_ISA_flag = (this->GetSTARS_ISA_Bitwidth() == 64);
#endif
if (x86_64_ISA_flag) {
this->STARS_MDArgumentRegs.push_back(STARS_x86_R_di);
this->STARS_MDArgumentRegs.push_back(STARS_x86_R_si);
this->STARS_MDArgumentRegs.push_back(STARS_x86_R_dx);
this->STARS_MDArgumentRegs.push_back(STARS_x86_R_cx);
this->STARS_MDArgumentRegs.push_back(STARS_x86_R_r8);
this->STARS_MDArgumentRegs.push_back(STARS_x86_R_r9);
}
else {
this->STARS_MDArgumentRegs.clear();
}
return;
} // end of STARS_IDA_Program_t::MDInitializeArgumentRegs()
void STARS_Program_t::MDInitializeCalleeSavedRegs(void) {
this->STARS_MDCalleeSavedRegs.clear();
bool x86_64_ISA_flag = false;
#ifdef __EA64__
x86_64_ISA_flag = (this->GetSTARS_ISA_Bitwidth() == 64);
#endif
if (!x86_64_ISA_flag) {
// 32-bit x86 uses EAX, ECX, EDX as caller-saved, EBX, EBP, ESI, EDI as callee-saved.
this->STARS_MDCalleeSavedRegs.push_back(STARS_x86_R_bx);
this->STARS_MDCalleeSavedRegs.push_back(STARS_x86_R_bp);
this->STARS_MDCalleeSavedRegs.push_back(STARS_x86_R_si);
this->STARS_MDCalleeSavedRegs.push_back(STARS_x86_R_di);
}
else {
// 64-bit x86 uses EDI, ESI, EDX, ECX, R8 and R9
// in that order. After six arguments that fit into
// these regs, arguments are passed on the stack.
// In addition, registers EAX, R10 and R11 are caller-saved
// but are not used to pass arguments. The rest, besides RSP,
// are callee-saved.
this->STARS_MDCalleeSavedRegs.push_back(STARS_x86_R_bx);
this->STARS_MDCalleeSavedRegs.push_back(STARS_x86_R_bp);
this->STARS_MDCalleeSavedRegs.push_back(STARS_x86_R_r12);
this->STARS_MDCalleeSavedRegs.push_back(STARS_x86_R_r13);
this->STARS_MDCalleeSavedRegs.push_back(STARS_x86_R_r14);
this->STARS_MDCalleeSavedRegs.push_back(STARS_x86_R_r15);
}
return;
} // end of STARS_IDA_Program_t::MDInitializeCalleeSavedRegs()
bool STARS_Program_t::OpenFiles(void) {
// Open the output files.
bool success = this->OpenSecondaryFilesOnly();
if (success) {
this->STARS_AnnotFile = SMP_fopen(this->AnnotFileName.c_str(), "w");
if (NULL == this->STARS_AnnotFile) {
SMP_msg("FATAL ERROR: Cannot open annotations file %s\n", this->AnnotFileName.c_str());
(void)SMP_fclose(this->STARS_XrefsFile);
(void)SMP_fclose(this->STARS_CallReturnFile);
(void)SMP_fclose(this->STARS_UninitVarFile);
(void)SMP_fclose(this->ZST_AlarmFile);
(void)SMP_fclose(this->STARS_InfoAnnotFile);
if (global_STARS_program->ShouldSTARSTranslateToSPARKAda()) {
(void)SMP_fclose(this->ZST_SPARKHeaderFile);
(void)SMP_fclose(this->ZST_SPARKSourceFile);
}
success = false;
}
}
return success;
} // end of STARS_Program_t::OpenFiles()
bool STARS_Program_t::OpenMainAnnotationFile(void) {
bool success = true;
this->STARS_AnnotFile = SMP_fopen(this->AnnotFileName.c_str(), "w");
if (NULL == this->STARS_AnnotFile) {
SMP_msg("FATAL ERROR: Cannot open annotations file %s\n", this->AnnotFileName.c_str());
success = false;
}
return success;
} // end of STARS_Program_t::OpenMainAnnotationFile()
bool STARS_Program_t::OpenSecondaryFilesOnly(void) {
// Open the output files except for the main annotation file.
assert(0 < this->RootFileName.size()); // SetRootFileName() must be called previously.
string ZSTAlarmFileName(this->GetRootFileName());
string AlarmFileSuffix(".alarms");
ZSTAlarmFileName += AlarmFileSuffix;
string XrefsFileName(this->GetRootFileName());
string XrefsFileSuffix(".STARSxrefs");
XrefsFileName += XrefsFileSuffix;
string CallRetFileName(this->GetRootFileName());
string CallRetFileSuffix(".STARScallreturn");
CallRetFileName += CallRetFileSuffix;
string UninitVarFileName(this->GetRootFileName());
string UninitVarFileSuffix(".STARSuninit");
UninitVarFileName += UninitVarFileSuffix;
string LoopsFileName(this->GetRootFileName());
string LoopsFileSuffix(".STARSloops");
LoopsFileName += LoopsFileSuffix;
string SPARKSourceFileName("");
string SPARKHeaderFileName("");
if (global_STARS_program->ShouldSTARSTranslateToSPARKAda()) {
// Extract "foo" from "foo.exe" to get the Ada package name
istringstream StreamRootName(this->RootFileName);
(void)std::getline(StreamRootName, this->PackageName, '.');
if (this->PackageName.empty()) {
SMP_msg("ERROR: Could not extract an Ada package name from the root of file name %s\n", this->RootFileName.c_str());
return false;
}
// Convert dashes to underscores in the package name to suit Ada standards.
replace(this->PackageName.begin(), this->PackageName.end(), '-', '_');
SPARKSourceFileName += this->PackageName;
string SPARKSourceFileSuffix(".ZSTSPARK.adb");
SPARKSourceFileName += SPARKSourceFileSuffix;
SPARKHeaderFileName += this->PackageName;
string SPARKHeaderFileSuffix(".ZSTSPARK.ads");
SPARKHeaderFileName += SPARKHeaderFileSuffix;
}
this->STARS_XrefsFile = SMP_fopen(XrefsFileName.c_str(), "w");
if (NULL == this->STARS_XrefsFile) {
SMP_msg("FATAL ERROR: Cannot open STARS code xrefs file %s\n", XrefsFileName.c_str());
return false;
}
this->STARS_CallReturnFile = SMP_fopen(CallRetFileName.c_str(), "w");
if (NULL == this->STARS_CallReturnFile) {
SMP_msg("FATAL ERROR: Cannot open STARS calls and returns info file %s\n", CallRetFileName.c_str());
return false;
}
this->STARS_UninitVarFile = SMP_fopen(UninitVarFileName.c_str(), "w");
if (NULL == this->STARS_UninitVarFile) {
SMP_msg("FATAL ERROR: Cannot open STARS uninitialized vars info file %s\n", UninitVarFileName.c_str());
(void)SMP_fclose(this->STARS_XrefsFile);
(void)SMP_fclose(this->STARS_CallReturnFile);
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