File: WebAssemblyMCAsmInfo.cpp

package info (click to toggle)
llvm-toolchain-3.8 1%3A3.8.1-24
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 379,280 kB
  • ctags: 388,501
  • sloc: cpp: 2,309,705; ansic: 477,070; objc: 100,918; asm: 97,974; python: 95,911; sh: 18,634; makefile: 7,294; perl: 5,584; ml: 5,460; pascal: 4,661; lisp: 2,548; xml: 686; cs: 350; php: 212; csh: 117
file content (51 lines) | stat: -rw-r--r-- 1,568 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
//===-- 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"
#include "llvm/Support/CommandLine.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?
}