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1 //===-- MCAsmInfoCOFF.cpp - COFF asm properties -----------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file defines target asm properties related what form asm statements
11 // should take in general on COFF-based targets
12 //
13 //===----------------------------------------------------------------------===//
14
15 #include "llvm/MC/MCAsmInfoCOFF.h"
16 #include "llvm/ADT/SmallVector.h"
17 using namespace llvm;
18
19 MCAsmInfoCOFF::MCAsmInfoCOFF() {
20   GlobalPrefix = "_";
21   COMMDirectiveAlignmentIsInBytes = false;
22   LCOMMDirectiveType = LCOMM::ByteAlignment;
23   HasDotTypeDotSizeDirective = false;
24   HasSingleParameterDotFile = false;
25   PrivateGlobalPrefix = "L";  // Prefix for private global symbols
26   WeakRefDirective = "\t.weak\t";
27   LinkOnceDirective = "\t.linkonce discard\n";
28   
29   // Doesn't support visibility:
30   HiddenVisibilityAttr = HiddenDeclarationVisibilityAttr = MCSA_Invalid;
31   ProtectedVisibilityAttr = MCSA_Invalid;
32
33   // Set up DWARF directives
34   HasLEB128 = true;  // Target asm supports leb128 directives (little-endian)
35   SupportsDebugInformation = true;
36   DwarfSectionOffsetDirective = "\t.secrel32\t";
37   HasMicrosoftFastStdCallMangling = true;
38
39   SupportsDataRegions = false;
40 }