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//===-- WebAssemblyMCAsmInfo.cpp - WebAssembly asm properties -------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \file
/// \brief This file contains the declarations of the WebAssemblyMCAsmInfo
/// properties.
///
//===----------------------------------------------------------------------===//
#include "WebAssemblyMCAsmInfo.h"
#include "llvm/ADT/Triple.h"
using namespace llvm;
#define DEBUG_TYPE "wasm-mc-asm-info"
WebAssemblyMCAsmInfo::~WebAssemblyMCAsmInfo() {}
WebAssemblyMCAsmInfo::WebAssemblyMCAsmInfo(const Triple &T) {
PointerSize = CalleeSaveStackSlotSize = T.isArch64Bit() ? 8 : 4;
// TODO: What should MaxInstLength be?
UseDataRegionDirectives = true;
// Use .skip instead of .zero because .zero is confusing when used with two
// arguments (it doesn't actually zero things out).
ZeroDirective = "\t.skip\t";
Data8bitsDirective = "\t.int8\t";
Data16bitsDirective = "\t.int16\t";
Data32bitsDirective = "\t.int32\t";
Data64bitsDirective = "\t.int64\t";
AlignmentIsInBytes = false;
COMMDirectiveAlignmentIsInBytes = false;
LCOMMDirectiveAlignmentType = LCOMM::Log2Alignment;
SupportsDebugInformation = true;
// For now, WebAssembly does not support exceptions.
ExceptionsType = ExceptionHandling::None;
// TODO: UseIntegratedAssembler?
// WebAssembly's stack is never executable.
UsesNonexecutableStackSection = false;
}
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