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bf04f72592
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78895 91177308-0d34-0410-b5e6-96231b3b80d8
64 lines
2.3 KiB
C++
64 lines
2.3 KiB
C++
//===-- DarwinTargetAsmInfo.cpp - Darwin asm properties ---------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines target asm properties related what form asm statements
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// should take in general on Darwin-based targets
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Target/DarwinTargetAsmInfo.h"
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#include "llvm/ADT/Triple.h"
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using namespace llvm;
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DarwinTargetAsmInfo::DarwinTargetAsmInfo(const Triple &Triple) {
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// Common settings for all Darwin targets.
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// Syntax:
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GlobalPrefix = "_";
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PrivateGlobalPrefix = "L";
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LinkerPrivateGlobalPrefix = "l"; // Marker for some ObjC metadata
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NeedsSet = true;
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NeedsIndirectEncoding = true;
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AllowQuotesInName = true;
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HasSingleParameterDotFile = false;
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AlignmentIsInBytes = false;
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InlineAsmStart = " InlineAsm Start";
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InlineAsmEnd = " InlineAsm End";
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// In non-PIC modes, emit a special label before jump tables so that the
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// linker can perform more accurate dead code stripping. We do not check the
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// relocation model here since it can be overridden later.
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JumpTableSpecialLabelPrefix = "l";
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// Directives:
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WeakDefDirective = "\t.weak_definition ";
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WeakRefDirective = "\t.weak_reference ";
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HiddenDirective = "\t.private_extern ";
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LCOMMDirective = "\t.lcomm\t";
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ZeroDirective = "\t.space\t"; // ".space N" emits N zeros.
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ZeroFillDirective = "\t.zerofill\t"; // Uses .zerofill
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SetDirective = "\t.set";
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ProtectedDirective = "\t.globl\t";
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HasDotTypeDotSizeDirective = false;
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UsedDirective = "\t.no_dead_strip\t";
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// On Leopard (10.5 aka darwin9) and earlier, _foo.eh symbols must be exported
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// so that the linker knows about them. This is not necessary on 10.6 and
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// later, but it doesn't hurt anything.
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if (Triple.getDarwinMajorNumber() < 10)
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Is_EHSymbolPrivate = false;
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// Leopard (10.5 aka darwin9) and later support aligned common symbols.
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COMMDirectiveTakesAlignment = Triple.getDarwinMajorNumber() >= 9;
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GlobalEHDirective = "\t.globl\t";
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SupportsWeakOmittedEHFrame = false;
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}
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