//
// The LLVM Compiler Infrastructure
//
-// This file was developed by James M. Laskey and is distributed under the
-// University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#include "PPCTargetAsmInfo.h"
#include "PPCTargetMachine.h"
#include "llvm/Function.h"
-using namespace llvm;
+#include "llvm/Support/Dwarf.h"
-PPCTargetAsmInfo::PPCTargetAsmInfo(const PPCTargetMachine &TM) {
- bool isPPC64 = TM.getSubtargetImpl()->isPPC64();
-
- ZeroDirective = "\t.space\t";
- SetDirective = "\t.set";
- Data64bitsDirective = isPPC64 ? "\t.quad\t" : 0;
- AlignmentIsInBytes = false;
- LCOMMDirective = "\t.lcomm\t";
- InlineAsmStart = "# InlineAsm Start";
- InlineAsmEnd = "# InlineAsm End";
- AssemblerDialect = TM.getSubtargetImpl()->getAsmFlavor();
-
- NeedsSet = true;
- DwarfEHFrameSection =
- ".section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support";
- DwarfExceptionSection = ".section __DATA,__gcc_except_tab";
-}
+using namespace llvm;
+using namespace llvm::dwarf;
-DarwinTargetAsmInfo::DarwinTargetAsmInfo(const PPCTargetMachine &TM)
-: PPCTargetAsmInfo(TM)
-{
+PPCDarwinTargetAsmInfo::PPCDarwinTargetAsmInfo(const PPCTargetMachine &TM) :
+ PPCTargetAsmInfo<DarwinTargetAsmInfo>(TM) {
PCSymbol = ".";
CommentString = ";";
- GlobalPrefix = "_";
- PrivateGlobalPrefix = "L";
- ConstantPoolSection = "\t.const\t";
- JumpTableDataSection = ".const";
- GlobalDirective = "\t.globl\t";
- CStringSection = "\t.cstring";
- FourByteConstantSection = "\t.literal4\n";
- EightByteConstantSection = "\t.literal8\n";
- ReadOnlySection = "\t.const\n";
- if (TM.getRelocationModel() == Reloc::Static) {
- StaticCtorsSection = ".constructor";
- StaticDtorsSection = ".destructor";
- } else {
- StaticCtorsSection = ".mod_init_func";
- StaticDtorsSection = ".mod_term_func";
- }
UsedDirective = "\t.no_dead_strip\t";
- WeakRefDirective = "\t.weak_reference\t";
- HiddenDirective = "\t.private_extern\t";
- SupportsExceptionHandling = false;
- NeedsIndirectEncoding = true;
- BSSSection = 0;
-
- DwarfAbbrevSection = ".section __DWARF,__debug_abbrev,regular,debug";
- DwarfInfoSection = ".section __DWARF,__debug_info,regular,debug";
- DwarfLineSection = ".section __DWARF,__debug_line,regular,debug";
- DwarfFrameSection = ".section __DWARF,__debug_frame,regular,debug";
- DwarfPubNamesSection = ".section __DWARF,__debug_pubnames,regular,debug";
- DwarfPubTypesSection = ".section __DWARF,__debug_pubtypes,regular,debug";
- DwarfStrSection = ".section __DWARF,__debug_str,regular,debug";
- DwarfLocSection = ".section __DWARF,__debug_loc,regular,debug";
- DwarfARangesSection = ".section __DWARF,__debug_aranges,regular,debug";
- DwarfRangesSection = ".section __DWARF,__debug_ranges,regular,debug";
- DwarfMacInfoSection = ".section __DWARF,__debug_macinfo,regular,debug";
+ SupportsExceptionHandling = true;
- // In non-PIC modes, emit a special label before jump tables so that the
- // linker can perform more accurate dead code stripping.
- if (TM.getRelocationModel() != Reloc::PIC_) {
- // Emit a local label that is preserved until the linker runs.
- JumpTableSpecialLabelPrefix = "l";
- }
+ GlobalEHDirective = "\t.globl\t";
+ SupportsWeakOmittedEHFrame = false;
}
-LinuxTargetAsmInfo::LinuxTargetAsmInfo(const PPCTargetMachine &TM)
-: PPCTargetAsmInfo(TM)
-{
+PPCLinuxTargetAsmInfo::PPCLinuxTargetAsmInfo(const PPCTargetMachine &TM) :
+ PPCTargetAsmInfo<TargetAsmInfo>(TM) {
CommentString = "#";
GlobalPrefix = "";
- PrivateGlobalPrefix = "";
- ConstantPoolSection = "\t.section .rodata.cst4\t";
- JumpTableDataSection = ".section .rodata.cst4";
- CStringSection = "\t.section\t.rodata";
- StaticCtorsSection = ".section\t.ctors,\"aw\",@progbits";
- StaticDtorsSection = ".section\t.dtors,\"aw\",@progbits";
+ PrivateGlobalPrefix = ".L";
UsedDirective = "\t# .no_dead_strip\t";
WeakRefDirective = "\t.weak\t";
- BSSSection = "\t.section\t\".sbss\",\"aw\",@nobits";
- DwarfAbbrevSection = "\t.section\t.debug_abbrev,\"\",@progbits";
- DwarfInfoSection = "\t.section\t.debug_info,\"\",@progbits";
- DwarfLineSection = "\t.section\t.debug_line,\"\",@progbits";
- DwarfFrameSection = "\t.section\t.debug_frame,\"\",@progbits";
- DwarfPubNamesSection ="\t.section\t.debug_pubnames,\"\",@progbits";
- DwarfPubTypesSection ="\t.section\t.debug_pubtypes,\"\",@progbits";
- DwarfStrSection = "\t.section\t.debug_str,\"\",@progbits";
- DwarfLocSection = "\t.section\t.debug_loc,\"\",@progbits";
- DwarfARangesSection = "\t.section\t.debug_aranges,\"\",@progbits";
- DwarfRangesSection = "\t.section\t.debug_ranges,\"\",@progbits";
- DwarfMacInfoSection = "\t.section\t.debug_macinfo,\"\",@progbits";
+ // Debug Information
+ AbsoluteDebugSectionOffsets = true;
+ SupportsDebugInformation = true;
+
+ PCSymbol = ".";
+
+ // Set up DWARF directives
+ HasLEB128 = true; // Target asm supports leb128 directives (little-endian)
+
+ // Exceptions handling
+ if (!TM.getSubtargetImpl()->isPPC64())
+ SupportsExceptionHandling = true;
+ AbsoluteEHSectionOffsets = false;
}
+
+
+// Instantiate default implementation.
+TEMPLATE_INSTANTIATION(class PPCTargetAsmInfo<TargetAsmInfo>);