nsbaci::services::runtime::Program Class Reference

Represents a compiled program ready for execution. More...

#include <program.h>

Public Member Functions
	Program (nsbaci::compiler::InstructionStream i)
	Program (nsbaci::compiler::InstructionStream i, nsbaci::types::SymbolTable s)
	Program (const Program &)=delete
Program &	operator= (const Program &)=delete
	Program (Program &&)=default
Program &	operator= (Program &&)=default
const nsbaci::compiler::Instruction &	getInstruction (uint32_t addr) const
	Gets instruction at the given address.
size_t	instructionCount () const
	Gets the total number of instructions.
nsbaci::types::Memory &	memory ()
	Access to global memory.
const nsbaci::types::Memory &	memory () const
const nsbaci::types::SymbolTable &	symbols () const
	Access to symbol table.
void	addSymbol (nsbaci::types::SymbolInfo info)
	Add a symbol to the symbol table.
int32_t	readMemory (nsbaci::types::MemoryAddr addr) const
	Read a value from memory.
void	writeMemory (nsbaci::types::MemoryAddr addr, int32_t value)
	Write a value to memory.
void	createSemaphore (nsbaci::types::MemoryAddr addr, int32_t initialCount)
	Create a semaphore at the given address.
bool	semaphoreWait (nsbaci::types::MemoryAddr addr, nsbaci::types::ThreadID threadId)
	Wait (P operation) on a semaphore.
nsbaci::types::ThreadID	semaphoreSignal (nsbaci::types::MemoryAddr addr)
	Signal (V operation) on a semaphore.
bool	hasSemaphore (nsbaci::types::MemoryAddr addr) const
	Check if a semaphore exists at the given address.

Detailed Description

Represents a compiled program ready for execution.

The Program class contains the instruction vector, memory tables, and other data structures needed for program execution.

Member Function Documentation

addSymbol()

void nsbaci::services::runtime::Program::addSymbol

(

nsbaci::types::SymbolInfo

info

)

Add a symbol to the symbol table.

Parameters

info	The symbol information to add.

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createSemaphore()

void nsbaci::services::runtime::Program::createSemaphore	(	nsbaci::types::MemoryAddr	addr,
		int32_t	initialCount )

Create a semaphore at the given address.

Parameters

addr	Memory address to associate with the semaphore.
initialCount	Initial semaphore count.

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getInstruction()

const nsbaci::compiler::Instruction & nsbaci::services::runtime::Program::getInstruction

(

uint32_t

addr

)

const

Gets instruction at the given address.

Parameters

addr	The instruction address.

Returns

Reference to the instruction.

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hasSemaphore()

bool nsbaci::services::runtime::Program::hasSemaphore

(

nsbaci::types::MemoryAddr

addr

)

const

Check if a semaphore exists at the given address.

Parameters

addr	Address to check.

Returns

true if semaphore exists, false otherwise.

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instructionCount()

size_t nsbaci::services::runtime::Program::instructionCount

(

)

const

Gets the total number of instructions.

Returns

Number of instructions in the program.

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memory()

nsbaci::types::Memory & nsbaci::services::runtime::Program::memory

(

)

Access to global memory.

Returns

Reference to memory.

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readMemory()

int32_t nsbaci::services::runtime::Program::readMemory

(

nsbaci::types::MemoryAddr

addr

)

const

Read a value from memory.

Parameters

addr	Memory address to read from.

Returns

Value at the address.

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semaphoreSignal()

nsbaci::types::ThreadID nsbaci::services::runtime::Program::semaphoreSignal

(

nsbaci::types::MemoryAddr

addr

)

Signal (V operation) on a semaphore.

Parameters

addr	Address of the semaphore.

Returns

ThreadID to wake, or 0 if none waiting.

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semaphoreWait()

bool nsbaci::services::runtime::Program::semaphoreWait	(	nsbaci::types::MemoryAddr	addr,
		nsbaci::types::ThreadID	threadId )

Wait (P operation) on a semaphore.

Parameters

addr	Address of the semaphore.
threadId	The thread attempting to wait.

Returns

true if thread can proceed, false if it must block.

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symbols()

const nsbaci::types::SymbolTable & nsbaci::services::runtime::Program::symbols

(

)

const

Access to symbol table.

Returns

Const reference to symbol table.

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writeMemory()

void nsbaci::services::runtime::Program::writeMemory	(	nsbaci::types::MemoryAddr	addr,
		int32_t	value )

Write a value to memory.

Parameters

addr	Memory address to write to.
value	Value to write.

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The documentation for this class was generated from the following files:

• program.h
• program.cpp