mirror of
https://github.com/TomHarte/CLK.git
synced 2024-11-05 06:05:27 +00:00
613 lines
19 KiB
C++
613 lines
19 KiB
C++
//
|
|
// Instruction.cpp
|
|
// Clock Signal
|
|
//
|
|
// Created by Thomas Harte on 17/09/2023.
|
|
// Copyright © 2023 Thomas Harte. All rights reserved.
|
|
//
|
|
|
|
#include "Instruction.hpp"
|
|
|
|
#include "../../Numeric/Carry.hpp"
|
|
|
|
#include <cassert>
|
|
#include <iomanip>
|
|
#include <sstream>
|
|
|
|
using namespace InstructionSet::x86;
|
|
|
|
bool InstructionSet::x86::has_displacement(Operation operation) {
|
|
switch(operation) {
|
|
default: return false;
|
|
|
|
case Operation::JO: case Operation::JNO:
|
|
case Operation::JB: case Operation::JNB:
|
|
case Operation::JZ: case Operation::JNZ:
|
|
case Operation::JBE: case Operation::JNBE:
|
|
case Operation::JS: case Operation::JNS:
|
|
case Operation::JP: case Operation::JNP:
|
|
case Operation::JL: case Operation::JNL:
|
|
case Operation::JLE: case Operation::JNLE:
|
|
case Operation::LOOPNE: case Operation::LOOPE:
|
|
case Operation::LOOP: case Operation::JCXZ:
|
|
case Operation::CALLrel: case Operation::JMPrel:
|
|
return true;
|
|
}
|
|
}
|
|
|
|
int InstructionSet::x86::max_displayed_operands(Operation operation) {
|
|
switch(operation) {
|
|
default: return 2;
|
|
|
|
case Operation::INC: case Operation::DEC:
|
|
case Operation::POP: case Operation::PUSH:
|
|
case Operation::MUL: case Operation::IMUL_1:
|
|
case Operation::IDIV: case Operation::DIV:
|
|
case Operation::ESC:
|
|
case Operation::AAM: case Operation::AAD:
|
|
case Operation::INT:
|
|
case Operation::JMPabs: case Operation::JMPfar:
|
|
case Operation::CALLabs: case Operation::CALLfar:
|
|
case Operation::NEG: case Operation::NOT:
|
|
case Operation::RETnear:
|
|
case Operation::RETfar:
|
|
return 1;
|
|
|
|
// Pedantically, these have an displacement rather than an operand.
|
|
case Operation::JO: case Operation::JNO:
|
|
case Operation::JB: case Operation::JNB:
|
|
case Operation::JZ: case Operation::JNZ:
|
|
case Operation::JBE: case Operation::JNBE:
|
|
case Operation::JS: case Operation::JNS:
|
|
case Operation::JP: case Operation::JNP:
|
|
case Operation::JL: case Operation::JNL:
|
|
case Operation::JLE: case Operation::JNLE:
|
|
case Operation::LOOPNE: case Operation::LOOPE:
|
|
case Operation::LOOP: case Operation::JCXZ:
|
|
case Operation::CALLrel: case Operation::JMPrel:
|
|
// Genuine zero-operand instructions:
|
|
case Operation::CMPS: case Operation::LODS:
|
|
case Operation::MOVS: case Operation::SCAS:
|
|
case Operation::STOS:
|
|
case Operation::CLC: case Operation::CLD:
|
|
case Operation::CLI:
|
|
case Operation::STC: case Operation::STD:
|
|
case Operation::STI:
|
|
case Operation::CMC:
|
|
case Operation::LAHF: case Operation::SAHF:
|
|
case Operation::AAA: case Operation::AAS:
|
|
case Operation::DAA: case Operation::DAS:
|
|
case Operation::CBW: case Operation::CWD:
|
|
case Operation::INTO:
|
|
case Operation::PUSHF: case Operation::POPF:
|
|
case Operation::IRET:
|
|
case Operation::NOP:
|
|
case Operation::XLAT:
|
|
case Operation::SALC:
|
|
case Operation::Invalid:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
std::string InstructionSet::x86::to_string(Operation operation, DataSize size, Model model) {
|
|
switch(operation) {
|
|
case Operation::AAA: return "aaa";
|
|
case Operation::AAD: return "aad";
|
|
case Operation::AAM: return "aam";
|
|
case Operation::AAS: return "aas";
|
|
case Operation::DAA: return "daa";
|
|
case Operation::DAS: return "das";
|
|
|
|
case Operation::CBW: return "cbw";
|
|
case Operation::CWD: return "cwd";
|
|
case Operation::ESC: return "esc";
|
|
|
|
case Operation::HLT: return "hlt";
|
|
case Operation::WAIT: return "wait";
|
|
|
|
case Operation::ADC: return "adc";
|
|
case Operation::ADD: return "add";
|
|
case Operation::SBB: return "sbb";
|
|
case Operation::SUB: return "sub";
|
|
case Operation::MUL: return "mul";
|
|
case Operation::IMUL_1: return "imul";
|
|
case Operation::DIV: return "div";
|
|
case Operation::IDIV: return "idiv";
|
|
|
|
case Operation::INC: return "inc";
|
|
case Operation::DEC: return "dec";
|
|
|
|
case Operation::IN: return "in";
|
|
case Operation::OUT: return "out";
|
|
|
|
case Operation::JO: return "jo";
|
|
case Operation::JNO: return "jno";
|
|
case Operation::JB: return "jb";
|
|
case Operation::JNB: return "jnb";
|
|
case Operation::JZ: return "jz";
|
|
case Operation::JNZ: return "jnz";
|
|
case Operation::JBE: return "jbe";
|
|
case Operation::JNBE: return "jnbe";
|
|
case Operation::JS: return "js";
|
|
case Operation::JNS: return "jns";
|
|
case Operation::JP: return "jp";
|
|
case Operation::JNP: return "jnp";
|
|
case Operation::JL: return "jl";
|
|
case Operation::JNL: return "jnl";
|
|
case Operation::JLE: return "jle";
|
|
case Operation::JNLE: return "jnle";
|
|
|
|
case Operation::CALLabs: return "call";
|
|
case Operation::CALLrel: return "call";
|
|
case Operation::CALLfar: return "callf";
|
|
case Operation::IRET: return "iret";
|
|
case Operation::RETfar: return "retf";
|
|
case Operation::RETnear: return "retn";
|
|
case Operation::JMPabs: return "jmp";
|
|
case Operation::JMPrel: return "jmp";
|
|
case Operation::JMPfar: return "jmpf";
|
|
case Operation::JCXZ: return "jcxz";
|
|
case Operation::INT: return "int";
|
|
case Operation::INTO: return "into";
|
|
|
|
case Operation::LAHF: return "lahf";
|
|
case Operation::SAHF: return "sahf";
|
|
case Operation::LDS: return "lds";
|
|
case Operation::LES: return "les";
|
|
case Operation::LEA: return "lea";
|
|
|
|
case Operation::CMPS: {
|
|
constexpr char sizes[][6] = { "cmpsb", "cmpsw", "cmpsd", "?" };
|
|
return sizes[static_cast<int>(size)];
|
|
}
|
|
case Operation::CMPS_REPE: {
|
|
constexpr char sizes[][11] = { "repe cmpsb", "repe cmpsw", "repe cmpsd", "?" };
|
|
return sizes[static_cast<int>(size)];
|
|
}
|
|
case Operation::CMPS_REPNE: {
|
|
constexpr char sizes[][12] = { "repne cmpsb", "repne cmpsw", "repne cmpsd", "?" };
|
|
return sizes[static_cast<int>(size)];
|
|
}
|
|
|
|
case Operation::SCAS: {
|
|
constexpr char sizes[][6] = { "scasb", "scasw", "scasd", "?" };
|
|
return sizes[static_cast<int>(size)];
|
|
}
|
|
case Operation::SCAS_REPE: {
|
|
constexpr char sizes[][11] = { "repe scasb", "repe scasw", "repe scasd", "?" };
|
|
return sizes[static_cast<int>(size)];
|
|
}
|
|
case Operation::SCAS_REPNE: {
|
|
constexpr char sizes[][12] = { "repne scasb", "repne scasw", "repne scasd", "?" };
|
|
return sizes[static_cast<int>(size)];
|
|
}
|
|
|
|
case Operation::LODS: {
|
|
constexpr char sizes[][6] = { "lodsb", "lodsw", "lodsd", "?" };
|
|
return sizes[static_cast<int>(size)];
|
|
}
|
|
case Operation::LODS_REP: {
|
|
constexpr char sizes[][10] = { "rep lodsb", "rep lodsw", "rep lodsd", "?" };
|
|
return sizes[static_cast<int>(size)];
|
|
}
|
|
|
|
case Operation::MOVS: {
|
|
constexpr char sizes[][6] = { "movsb", "movsw", "movsd", "?" };
|
|
return sizes[static_cast<int>(size)];
|
|
}
|
|
case Operation::MOVS_REP: {
|
|
constexpr char sizes[][10] = { "rep movsb", "rep movsw", "rep movsd", "?" };
|
|
return sizes[static_cast<int>(size)];
|
|
}
|
|
|
|
case Operation::STOS: {
|
|
constexpr char sizes[][6] = { "stosb", "stosw", "stosd", "?" };
|
|
return sizes[static_cast<int>(size)];
|
|
}
|
|
case Operation::STOS_REP: {
|
|
constexpr char sizes[][10] = { "rep stosb", "rep stosw", "rep stosd", "?" };
|
|
return sizes[static_cast<int>(size)];
|
|
}
|
|
|
|
case Operation::LOOP: return "loop";
|
|
case Operation::LOOPE: return "loope";
|
|
case Operation::LOOPNE: return "loopne";
|
|
|
|
case Operation::MOV: return "mov";
|
|
case Operation::NEG: return "neg";
|
|
case Operation::NOT: return "not";
|
|
case Operation::AND: return "and";
|
|
case Operation::OR: return "or";
|
|
case Operation::XOR: return "xor";
|
|
case Operation::NOP: return "nop";
|
|
case Operation::POP: return "pop";
|
|
case Operation::POPF: return "popf";
|
|
case Operation::PUSH: return "push";
|
|
case Operation::PUSHF: return "pushf";
|
|
case Operation::RCL: return "rcl";
|
|
case Operation::RCR: return "rcr";
|
|
case Operation::ROL: return "rol";
|
|
case Operation::ROR: return "ror";
|
|
case Operation::SAL: return "sal";
|
|
case Operation::SAR: return "sar";
|
|
case Operation::SHR: return "shr";
|
|
|
|
case Operation::CLC: return "clc";
|
|
case Operation::CLD: return "cld";
|
|
case Operation::CLI: return "cli";
|
|
case Operation::STC: return "stc";
|
|
case Operation::STD: return "std";
|
|
case Operation::STI: return "sti";
|
|
case Operation::CMC: return "cmc";
|
|
|
|
case Operation::CMP: return "cmp";
|
|
case Operation::TEST: return "test";
|
|
|
|
case Operation::XCHG: return "xchg";
|
|
case Operation::XLAT: return "xlat";
|
|
case Operation::SALC: return "salc";
|
|
|
|
case Operation::SETMO:
|
|
if(model == Model::i8086) {
|
|
return "setmo";
|
|
} else {
|
|
return "enter";
|
|
}
|
|
|
|
case Operation::SETMOC:
|
|
if(model == Model::i8086) {
|
|
return "setmoc";
|
|
} else {
|
|
return "bound";
|
|
}
|
|
|
|
case Operation::Invalid: return "invalid";
|
|
|
|
default:
|
|
assert(false);
|
|
return "";
|
|
}
|
|
}
|
|
|
|
bool InstructionSet::x86::mnemonic_implies_data_size(Operation operation) {
|
|
switch(operation) {
|
|
default: return false;
|
|
|
|
case Operation::CMPS:
|
|
case Operation::LODS:
|
|
case Operation::MOVS:
|
|
case Operation::SCAS:
|
|
case Operation::STOS:
|
|
case Operation::JMPrel:
|
|
case Operation::LEA:
|
|
return true;
|
|
}
|
|
}
|
|
|
|
std::string InstructionSet::x86::to_string(DataSize size) {
|
|
constexpr char sizes[][6] = { "byte", "word", "dword", "?" };
|
|
return sizes[static_cast<int>(size)];
|
|
}
|
|
|
|
std::string InstructionSet::x86::to_string(Source source, DataSize size) {
|
|
switch(source) {
|
|
case Source::eAX: {
|
|
constexpr char sizes[][4] = { "al", "ax", "eax", "?" };
|
|
return sizes[static_cast<int>(size)];
|
|
}
|
|
case Source::eCX: {
|
|
constexpr char sizes[][4] = { "cl", "cx", "ecx", "?" };
|
|
return sizes[static_cast<int>(size)];
|
|
}
|
|
case Source::eDX: {
|
|
constexpr char sizes[][4] = { "dl", "dx", "edx", "?" };
|
|
return sizes[static_cast<int>(size)];
|
|
}
|
|
case Source::eBX: {
|
|
constexpr char sizes[][4] = { "bl", "bx", "ebx", "?" };
|
|
return sizes[static_cast<int>(size)];
|
|
}
|
|
case Source::eSPorAH: {
|
|
constexpr char sizes[][4] = { "ah", "sp", "esp", "?" };
|
|
return sizes[static_cast<int>(size)];
|
|
}
|
|
case Source::eBPorCH: {
|
|
constexpr char sizes[][4] = { "ch", "bp", "ebp", "?" };
|
|
return sizes[static_cast<int>(size)];
|
|
}
|
|
case Source::eSIorDH: {
|
|
constexpr char sizes[][4] = { "dh", "si", "esi", "?" };
|
|
return sizes[static_cast<int>(size)];
|
|
}
|
|
case Source::eDIorBH: {
|
|
constexpr char sizes[][4] = { "bh", "di", "edi", "?" };
|
|
return sizes[static_cast<int>(size)];
|
|
}
|
|
|
|
case Source::ES: return "es";
|
|
case Source::CS: return "cs";
|
|
case Source::SS: return "ss";
|
|
case Source::DS: return "ds";
|
|
case Source::FS: return "fd";
|
|
case Source::GS: return "gs";
|
|
|
|
case Source::None: return "0";
|
|
case Source::DirectAddress: return "DirectAccess";
|
|
case Source::Immediate: return "Immediate";
|
|
case Source::Indirect: return "Indirect";
|
|
case Source::IndirectNoBase: return "IndirectNoBase";
|
|
|
|
default: return "???";
|
|
}
|
|
}
|
|
|
|
namespace {
|
|
|
|
std::string to_hex(int value, int digits, bool with_suffix = true) {
|
|
auto stream = std::stringstream();
|
|
stream << std::setfill('0') << std::uppercase << std::hex << std::setw(digits);
|
|
switch(digits) {
|
|
case 2: stream << +uint8_t(value); break;
|
|
case 4: stream << +uint16_t(value); break;
|
|
default: stream << value; break;
|
|
}
|
|
if (with_suffix) stream << 'h';
|
|
return stream.str();
|
|
};
|
|
|
|
template <typename IntT>
|
|
std::string to_hex(IntT value) {
|
|
auto stream = std::stringstream();
|
|
stream << std::uppercase << std::hex << +value << 'h';
|
|
return stream.str();
|
|
};
|
|
|
|
}
|
|
|
|
template <bool is_32bit>
|
|
std::string InstructionSet::x86::to_string(
|
|
DataPointer pointer,
|
|
Instruction<is_32bit> instruction,
|
|
int offset_length,
|
|
int immediate_length,
|
|
DataSize operation_size
|
|
) {
|
|
if(operation_size == InstructionSet::x86::DataSize::None) operation_size = instruction.operation_size();
|
|
|
|
std::string operand;
|
|
|
|
auto append = [](std::stringstream &stream, auto value, int length) {
|
|
switch(length) {
|
|
case 0:
|
|
if(!value) {
|
|
return;
|
|
}
|
|
[[fallthrough]];
|
|
|
|
case 2:
|
|
value &= 0xff;
|
|
break;
|
|
}
|
|
|
|
stream << std::uppercase << std::hex << value << 'h';
|
|
};
|
|
|
|
auto append_signed = [](std::stringstream &stream, auto value, int length) {
|
|
if(!value && !length) {
|
|
return;
|
|
}
|
|
|
|
const bool is_negative = Numeric::top_bit<decltype(value)>() & value;
|
|
const uint64_t abs_value = uint64_t(std::abs(int16_t(value))); // TODO: don't assume 16-bit.
|
|
|
|
stream << (is_negative ? '-' : '+') << std::uppercase << std::hex << abs_value << 'h';
|
|
};
|
|
|
|
using Source = InstructionSet::x86::Source;
|
|
const Source source = pointer.source();
|
|
switch(source) {
|
|
// to_string handles all direct register names correctly.
|
|
default: return InstructionSet::x86::to_string(source, operation_size);
|
|
|
|
case Source::Immediate: {
|
|
std::stringstream stream;
|
|
append(stream, instruction.operand(), immediate_length);
|
|
return stream.str();
|
|
}
|
|
|
|
case Source::DirectAddress:
|
|
case Source::Indirect:
|
|
case Source::IndirectNoBase: {
|
|
std::stringstream stream;
|
|
|
|
if(!InstructionSet::x86::mnemonic_implies_data_size(instruction.operation())) {
|
|
stream << InstructionSet::x86::to_string(operation_size) << ' ';
|
|
}
|
|
|
|
stream << '[';
|
|
stream << InstructionSet::x86::to_string(instruction.data_segment(), InstructionSet::x86::DataSize::None) << ':';
|
|
|
|
bool addOffset = false;
|
|
switch(source) {
|
|
default: break;
|
|
case Source::Indirect:
|
|
stream << InstructionSet::x86::to_string(pointer.base(), data_size(instruction.address_size()));
|
|
if(pointer.index() != Source::None) {
|
|
stream << '+' << InstructionSet::x86::to_string(pointer.index(), data_size(instruction.address_size()));
|
|
}
|
|
addOffset = true;
|
|
break;
|
|
case Source::IndirectNoBase:
|
|
stream << InstructionSet::x86::to_string(pointer.index(), data_size(instruction.address_size()));
|
|
addOffset = true;
|
|
break;
|
|
case Source::DirectAddress:
|
|
stream << std::uppercase << std::hex << instruction.offset() << 'h';
|
|
break;
|
|
}
|
|
if(addOffset) {
|
|
append_signed(stream, instruction.offset(), offset_length);
|
|
}
|
|
stream << ']';
|
|
return stream.str();
|
|
}
|
|
}
|
|
|
|
return operand;
|
|
};
|
|
|
|
template<bool is_32bit>
|
|
std::string InstructionSet::x86::to_string(
|
|
std::pair<int, Instruction<is_32bit>> instruction,
|
|
Model model,
|
|
int offset_length,
|
|
int immediate_length
|
|
) {
|
|
std::string operation;
|
|
|
|
// Add segment override, if any, ahead of some operations that won't otherwise print it.
|
|
switch(instruction.second.operation()) {
|
|
default: break;
|
|
|
|
case Operation::CMPS:
|
|
case Operation::CMPS_REPE:
|
|
case Operation::CMPS_REPNE:
|
|
case Operation::SCAS:
|
|
case Operation::SCAS_REPE:
|
|
case Operation::SCAS_REPNE:
|
|
case Operation::STOS:
|
|
case Operation::STOS_REP:
|
|
case Operation::LODS:
|
|
case Operation::LODS_REP:
|
|
case Operation::MOVS:
|
|
case Operation::MOVS_REP:
|
|
case Operation::INS:
|
|
case Operation::INS_REP:
|
|
case Operation::OUTS:
|
|
case Operation::OUTS_REP:
|
|
switch(instruction.second.data_segment()) {
|
|
default: break;
|
|
case Source::ES: operation += "es "; break;
|
|
case Source::CS: operation += "cs "; break;
|
|
case Source::DS: operation += "ds "; break;
|
|
case Source::SS: operation += "ss "; break;
|
|
case Source::GS: operation += "gs "; break;
|
|
case Source::FS: operation += "fs "; break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
// Add operation itself.
|
|
operation += to_string(instruction.second.operation(), instruction.second.operation_size(), model);
|
|
operation += " ";
|
|
|
|
// Deal with a few special cases up front.
|
|
switch(instruction.second.operation()) {
|
|
default: {
|
|
const int operands = max_displayed_operands(instruction.second.operation());
|
|
const bool displacement = has_displacement(instruction.second.operation());
|
|
const bool print_first = operands > 1 && instruction.second.destination().source() != Source::None;
|
|
if(print_first) {
|
|
operation += to_string(instruction.second.destination(), instruction.second, offset_length, immediate_length);
|
|
}
|
|
if(operands > 0 && instruction.second.source().source() != Source::None) {
|
|
if(print_first) operation += ", ";
|
|
operation += to_string(instruction.second.source(), instruction.second, offset_length, immediate_length);
|
|
}
|
|
if(displacement) {
|
|
operation += to_hex(instruction.second.displacement() + instruction.first, offset_length);
|
|
}
|
|
} break;
|
|
|
|
case Operation::CALLfar:
|
|
case Operation::JMPfar: {
|
|
switch(instruction.second.destination().source()) {
|
|
case Source::Immediate:
|
|
operation += to_hex(instruction.second.segment(), 4, false);
|
|
operation += "h:";
|
|
operation += to_hex(instruction.second.offset(), 4, false);
|
|
operation += "h";
|
|
break;
|
|
default:
|
|
operation += to_string(instruction.second.destination(), instruction.second, offset_length, immediate_length);
|
|
break;
|
|
}
|
|
} break;
|
|
|
|
case Operation::LDS:
|
|
case Operation::LES: // The test set labels the pointer type as dword, which I guess is technically accurate.
|
|
// A full 32 bits will be loaded from that address in 16-bit mode.
|
|
operation += to_string(instruction.second.destination(), instruction.second, offset_length, immediate_length);
|
|
operation += ", ";
|
|
operation += to_string(instruction.second.source(), instruction.second, offset_length, immediate_length, InstructionSet::x86::DataSize::DWord);
|
|
break;
|
|
|
|
case Operation::IN:
|
|
operation += to_string(instruction.second.destination(), instruction.second, offset_length, immediate_length);
|
|
operation += ", ";
|
|
switch(instruction.second.source().source()) {
|
|
case Source::DirectAddress:
|
|
operation += to_hex(uint8_t(instruction.second.offset()));
|
|
break;
|
|
default:
|
|
operation += to_string(instruction.second.source(), instruction.second, offset_length, immediate_length, InstructionSet::x86::DataSize::Word);
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case Operation::OUT:
|
|
switch(instruction.second.destination().source()) {
|
|
case Source::DirectAddress:
|
|
operation += to_hex(uint8_t(instruction.second.offset()));
|
|
break;
|
|
default:
|
|
operation += to_string(instruction.second.destination(), instruction.second, offset_length, immediate_length, InstructionSet::x86::DataSize::Word);
|
|
break;
|
|
}
|
|
operation += ", ";
|
|
operation += to_string(instruction.second.source(), instruction.second, offset_length, immediate_length);
|
|
break;
|
|
|
|
// Rolls and shifts list eCX as a source on the understanding that everyone knows that rolls and shifts
|
|
// use CL even when they're shifting or rolling a word-sized quantity.
|
|
case Operation::RCL: case Operation::RCR:
|
|
case Operation::ROL: case Operation::ROR:
|
|
case Operation::SAL: case Operation::SAR:
|
|
case Operation::SHR:
|
|
case Operation::SETMO: case Operation::SETMOC:
|
|
operation += to_string(instruction.second.destination(), instruction.second, offset_length, immediate_length);
|
|
switch(instruction.second.source().source()) {
|
|
case Source::None: break;
|
|
case Source::eCX: operation += ", cl"; break;
|
|
case Source::Immediate:
|
|
// Providing an immediate operand of 1 is a little future-proofing by the decoder; the '1'
|
|
// is actually implicit on a real 8088. So omit it.
|
|
if(instruction.second.operand() == 1) break;
|
|
[[fallthrough]];
|
|
default:
|
|
operation += ", ";
|
|
operation += to_string(instruction.second.source(), instruction.second, offset_length, immediate_length);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
return operation;
|
|
}
|
|
|
|
// Although advertised, 32-bit printing is incomplete.
|
|
//
|
|
//template std::string InstructionSet::x86::to_string(
|
|
// Instruction<true> instruction,
|
|
// Model model,
|
|
// int offset_length,
|
|
// int immediate_length
|
|
//);
|
|
|
|
template std::string InstructionSet::x86::to_string(
|
|
std::pair<int, Instruction<false>> instruction,
|
|
Model model,
|
|
int offset_length,
|
|
int immediate_length
|
|
);
|