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b266ccd0f4
delimits the boundaries of jump tables. This lets the linker's dead code stripping optimization do a better job. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33315 91177308-0d34-0410-b5e6-96231b3b80d8
83 lines
3.1 KiB
C++
83 lines
3.1 KiB
C++
//===-- PPCTargetAsmInfo.cpp - PPC 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 was developed by James M. Laskey and is distributed under the
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// University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains the declarations of the DarwinTargetAsmInfo properties.
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//
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//===----------------------------------------------------------------------===//
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#include "PPCTargetAsmInfo.h"
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#include "PPCTargetMachine.h"
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#include "llvm/Function.h"
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using namespace llvm;
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PPCTargetAsmInfo::PPCTargetAsmInfo(const PPCTargetMachine &TM) {
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bool isPPC64 = TM.getSubtargetImpl()->isPPC64();
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ZeroDirective = "\t.space\t";
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SetDirective = "\t.set";
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Data64bitsDirective = isPPC64 ? "\t.quad\t" : 0;
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AlignmentIsInBytes = false;
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LCOMMDirective = "\t.lcomm\t";
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InlineAsmStart = "# InlineAsm Start";
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InlineAsmEnd = "# InlineAsm End";
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AssemblerDialect = TM.getSubtargetImpl()->getAsmFlavor();
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NeedsSet = true;
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AddressSize = isPPC64 ? 8 : 4;
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DwarfAbbrevSection = ".section __DWARF,__debug_abbrev,regular,debug";
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DwarfInfoSection = ".section __DWARF,__debug_info,regular,debug";
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DwarfLineSection = ".section __DWARF,__debug_line,regular,debug";
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DwarfFrameSection = ".section __DWARF,__debug_frame,regular,debug";
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DwarfPubNamesSection = ".section __DWARF,__debug_pubnames,regular,debug";
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DwarfPubTypesSection = ".section __DWARF,__debug_pubtypes,regular,debug";
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DwarfStrSection = ".section __DWARF,__debug_str,regular,debug";
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DwarfLocSection = ".section __DWARF,__debug_loc,regular,debug";
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DwarfARangesSection = ".section __DWARF,__debug_aranges,regular,debug";
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DwarfRangesSection = ".section __DWARF,__debug_ranges,regular,debug";
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DwarfMacInfoSection = ".section __DWARF,__debug_macinfo,regular,debug";
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}
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DarwinTargetAsmInfo::DarwinTargetAsmInfo(const PPCTargetMachine &TM)
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: PPCTargetAsmInfo(TM)
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{
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CommentString = ";";
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GlobalPrefix = "_";
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PrivateGlobalPrefix = "L";
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ConstantPoolSection = "\t.const\t";
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JumpTableDataSection = ".const";
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CStringSection = "\t.cstring";
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StaticCtorsSection = ".mod_init_func";
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StaticDtorsSection = ".mod_term_func";
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UsedDirective = "\t.no_dead_strip\t";
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WeakRefDirective = "\t.weak_reference\t";
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HiddenDirective = "\t.private_extern\t";
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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.
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if (TM.getRelocationModel() != Reloc::PIC_) {
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// Emit a local label that is preserved until the linker runs.
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JumpTableSpecialLabelPrefix = "l";
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}
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}
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LinuxTargetAsmInfo::LinuxTargetAsmInfo(const PPCTargetMachine &TM)
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: PPCTargetAsmInfo(TM)
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{
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CommentString = "#";
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GlobalPrefix = "";
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PrivateGlobalPrefix = "";
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ConstantPoolSection = "\t.section .rodata.cst4\t";
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JumpTableDataSection = ".section .rodata.cst4";
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CStringSection = "\t.section\t.rodata";
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StaticCtorsSection = ".section\t.ctors,\"aw\",@progbits";
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StaticDtorsSection = ".section\t.dtors,\"aw\",@progbits";
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UsedDirective = "\t# .no_dead_strip\t";
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WeakRefDirective = "\t.weak\t";
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}
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