sysio::vm::execution_interface Struct Reference

#include <execution_interface.hpp>

Collaboration diagram for sysio::vm::execution_interface:

Public Member Functions
	execution_interface (char *memory, operand_stack *os)
void *	get_memory () const
void	trim_operands (std::size_t amt)
template<typename T >
void	push_operand (T &&op)
auto	pop_operand ()
const auto &	operand_from_back (std::size_t index) const
template<typename T >
void *	validate_pointer (wasm_ptr_t ptr, wasm_size_t len) const
template<typename T >
void	validate_pointer (const void *ptr, wasm_size_t len) const
void *	validate_null_terminated_pointer (wasm_ptr_t ptr) const
void	validate_null_terminated_pointer (const void *ptr) const
	execution_interface (char *memory, operand_stack *os)
void *	get_memory () const
void	trim_operands (std::size_t amt)
template<typename T >
void	push_operand (T &&op)
auto	pop_operand ()
const auto &	operand_from_back (std::size_t index) const
template<typename T >
void *	validate_pointer (wasm_ptr_t ptr, wasm_size_t len) const
template<typename T >
void	validate_pointer (const void *ptr, wasm_size_t len) const
void *	validate_null_terminated_pointer (wasm_ptr_t ptr) const
void	validate_null_terminated_pointer (const void *ptr) const

Public Attributes
char *	memory
operand_stack *	os

Detailed Description

Definition at line 13 of file execution_interface.hpp.

Constructor & Destructor Documentation

execution_interface() [1/2]

sysio::vm::execution_interface::execution_interface ( char * memory, operand_stack * os )

inline

Definition at line 14 of file execution_interface.hpp.

: memory(memory), os(os) {}

execution_interface() [2/2]

sysio::vm::execution_interface::execution_interface ( char * memory, operand_stack * os )

inline

Definition at line 14 of file execution_interface.hpp.

: memory(memory), os(os) {}

Member Function Documentation

get_memory() [1/2]

void * sysio::vm::execution_interface::get_memory ( ) const

inline

Definition at line 15 of file execution_interface.hpp.

{ return memory; }

get_memory() [2/2]

void * sysio::vm::execution_interface::get_memory ( ) const

inline

Definition at line 15 of file execution_interface.hpp.

{ return memory; }

operand_from_back() [1/2]

const auto & sysio::vm::execution_interface::operand_from_back ( std::size_t index ) const

inline

Definition at line 21 of file execution_interface.hpp.

{ return os->get_back(index); }

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operand_from_back() [2/2]

const auto & sysio::vm::execution_interface::operand_from_back ( std::size_t index ) const

inline

Definition at line 21 of file execution_interface.hpp.

{ return os->get_back(index); }

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pop_operand() [1/2]

auto sysio::vm::execution_interface::pop_operand ( )

inline

Definition at line 20 of file execution_interface.hpp.

{ return os->pop(); }

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pop_operand() [2/2]

auto sysio::vm::execution_interface::pop_operand ( )

inline

Definition at line 20 of file execution_interface.hpp.

{ return os->pop(); }

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push_operand() [1/2]

template<typename T >

void sysio::vm::execution_interface::push_operand ( T && op )

inline

Definition at line 19 of file execution_interface.hpp.

{ os->push(std::forward<T>(op)); }

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push_operand() [2/2]

template<typename T >

void sysio::vm::execution_interface::push_operand ( T && op )

inline

Definition at line 19 of file execution_interface.hpp.

{ os->push(std::forward<T>(op)); }

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trim_operands() [1/2]

void sysio::vm::execution_interface::trim_operands ( std::size_t amt )

inline

Definition at line 16 of file execution_interface.hpp.

{ os->trim(amt); }

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trim_operands() [2/2]

void sysio::vm::execution_interface::trim_operands ( std::size_t amt )

inline

Definition at line 16 of file execution_interface.hpp.

{ os->trim(amt); }

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validate_null_terminated_pointer() [1/4]

void sysio::vm::execution_interface::validate_null_terminated_pointer ( const void * ptr ) const

inline

Definition at line 43 of file execution_interface.hpp.

                                                                          {
         volatile auto check_addr = std::strlen(static_cast<const char*>(ptr));
         ignore_unused_variable_warning(check_addr);
      }

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validate_null_terminated_pointer() [2/4]

void sysio::vm::execution_interface::validate_null_terminated_pointer ( const void * ptr ) const

inline

Definition at line 43 of file execution_interface.hpp.

                                                                          {
         volatile auto check_addr = std::strlen(static_cast<const char*>(ptr));
         ignore_unused_variable_warning(check_addr);
      }

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validate_null_terminated_pointer() [3/4]

void * sysio::vm::execution_interface::validate_null_terminated_pointer ( wasm_ptr_t ptr ) const

inline

Definition at line 37 of file execution_interface.hpp.

                                                                          {
         auto result = memory + ptr;
         validate_null_terminated_pointer(result);
         return result;
      }

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validate_null_terminated_pointer() [4/4]

void * sysio::vm::execution_interface::validate_null_terminated_pointer ( wasm_ptr_t ptr ) const

inline

Definition at line 37 of file execution_interface.hpp.

                                                                          {
         auto result = memory + ptr;
         validate_null_terminated_pointer(result);
         return result;
      }

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validate_pointer() [1/4]

template<typename T >

void sysio::vm::execution_interface::validate_pointer ( const void * ptr, wasm_size_t len ) const

inline

Definition at line 31 of file execution_interface.hpp.

                                                                           {
         SYS_VM_ASSERT( len <= std::numeric_limits<wasm_size_t>::max() / (wasm_size_t)sizeof(T), wasm_interpreter_exception, "length will overflow" );
         volatile auto check_addr = *(reinterpret_cast<const char*>(ptr) + (len * sizeof(T)) - 1);
         ignore_unused_variable_warning(check_addr);
      }

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validate_pointer() [2/4]

template<typename T >

void sysio::vm::execution_interface::validate_pointer ( const void * ptr, wasm_size_t len ) const

inline

Definition at line 31 of file execution_interface.hpp.

                                                                           {
         SYS_VM_ASSERT( len <= std::numeric_limits<wasm_size_t>::max() / (wasm_size_t)sizeof(T), wasm_interpreter_exception, "length will overflow" );
         volatile auto check_addr = *(reinterpret_cast<const char*>(ptr) + (len * sizeof(T)) - 1);
         ignore_unused_variable_warning(check_addr);
      }

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validate_pointer() [3/4]

template<typename T >

void * sysio::vm::execution_interface::validate_pointer ( wasm_ptr_t ptr, wasm_size_t len ) const

inline

Definition at line 24 of file execution_interface.hpp.

                                                                           {
         auto result = memory + ptr;
         validate_pointer<T>(result, len);
         return result;
      }

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validate_pointer() [4/4]

template<typename T >

void * sysio::vm::execution_interface::validate_pointer ( wasm_ptr_t ptr, wasm_size_t len ) const

inline

Definition at line 24 of file execution_interface.hpp.

                                                                           {
         auto result = memory + ptr;
         validate_pointer<T>(result, len);
         return result;
      }

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Member Data Documentation

memory

char * sysio::vm::execution_interface::memory

Definition at line 47 of file execution_interface.hpp.

os

operand_stack * sysio::vm::execution_interface::os

Definition at line 48 of file execution_interface.hpp.

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

• libraries/sys-vm/include/sysio/sysio/vm/execution_interface.hpp
• libraries/sys-vm/include/sysio/vm/execution_interface.hpp