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			111 lines
		
	
	
		
			4.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			111 lines
		
	
	
		
			4.4 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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| 
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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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| 
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| PPCTargetAsmInfo::PPCTargetAsmInfo(const PPCTargetMachine &TM) {
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|   bool isPPC64 = TM.getSubtargetImpl()->isPPC64();
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|   
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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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|   
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|   NeedsSet = true;
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|   AddressSize = isPPC64 ? 8 : 4;
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|   DwarfEHFrameSection =
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|   ".section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support";
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|   DwarfExceptionSection = ".section __DATA,__gcc_except_tab";
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| }
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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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|   PCSymbol = ".";
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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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|   GlobalDirective = "\t.globl\t";
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|   CStringSection = "\t.cstring";
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|   FourByteConstantSection = "\t.literal4\n";
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|   EightByteConstantSection = "\t.literal8\n";
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|   ReadOnlySection = "\t.const\n";
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|   if (TM.getRelocationModel() == Reloc::Static) {
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|     StaticCtorsSection = ".constructor";
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|     StaticDtorsSection = ".destructor";
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|   } else {
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|     StaticCtorsSection = ".mod_init_func";
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|     StaticDtorsSection = ".mod_term_func";
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|   }
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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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|   SupportsExceptionHandling = false;
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|   NeedsIndirectEncoding = true;
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| 
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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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|   // 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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| 
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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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|   DwarfAbbrevSection =  "\t.section\t.debug_abbrev,\"\",@progbits";
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|   DwarfInfoSection =    "\t.section\t.debug_info,\"\",@progbits";
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|   DwarfLineSection =    "\t.section\t.debug_line,\"\",@progbits";
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|   DwarfFrameSection =   "\t.section\t.debug_frame,\"\",@progbits";
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|   DwarfPubNamesSection ="\t.section\t.debug_pubnames,\"\",@progbits";
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|   DwarfPubTypesSection ="\t.section\t.debug_pubtypes,\"\",@progbits";
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|   DwarfStrSection =     "\t.section\t.debug_str,\"\",@progbits";
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|   DwarfLocSection =     "\t.section\t.debug_loc,\"\",@progbits";
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|   DwarfARangesSection = "\t.section\t.debug_aranges,\"\",@progbits";
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|   DwarfRangesSection =  "\t.section\t.debug_ranges,\"\",@progbits";
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|   DwarfMacInfoSection = "\t.section\t.debug_macinfo,\"\",@progbits";
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| }
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