-//===-- TargetAsmInfo.cpp - Asm Info ---------------------------------------==//
+//===-- llvm/Target/TargetAsmInfo.cpp - Target Assembly Info --------------===//
//
// The LLVM Compiler Infrastructure
//
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
-//
-// This file defines target asm properties related what form asm statements
-// should take.
-//
-//===----------------------------------------------------------------------===//
-#include "llvm/Constants.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/GlobalVariable.h"
-#include "llvm/Function.h"
-#include "llvm/Module.h"
-#include "llvm/Type.h"
#include "llvm/Target/TargetAsmInfo.h"
#include "llvm/Target/TargetData.h"
+#include "llvm/Target/TargetLowering.h"
+#include "llvm/Target/TargetLoweringObjectFile.h"
#include "llvm/Target/TargetMachine.h"
-#include "llvm/Target/TargetOptions.h"
-#include "llvm/Support/Dwarf.h"
-#include "llvm/Support/ErrorHandling.h"
-#include <cctype>
-#include <cstring>
+#include "llvm/Target/TargetRegisterInfo.h"
using namespace llvm;
-TargetAsmInfo::TargetAsmInfo(const TargetMachine &tm) : TM(tm) {
- ZeroFillDirective = 0;
- NonexecutableStackDirective = 0;
- NeedsSet = false;
- MaxInstLength = 4;
- PCSymbol = "$";
- SeparatorChar = ';';
- CommentColumn = 60;
- CommentString = "#";
- FirstOperandColumn = 0;
- MaxOperandLength = 0;
- GlobalPrefix = "";
- PrivateGlobalPrefix = ".";
- LinkerPrivateGlobalPrefix = "";
- JumpTableSpecialLabelPrefix = 0;
- GlobalVarAddrPrefix = "";
- GlobalVarAddrSuffix = "";
- FunctionAddrPrefix = "";
- FunctionAddrSuffix = "";
- PersonalityPrefix = "";
- PersonalitySuffix = "";
- NeedsIndirectEncoding = false;
- InlineAsmStart = "#APP";
- InlineAsmEnd = "#NO_APP";
- AssemblerDialect = 0;
- AllowQuotesInName = false;
- ZeroDirective = "\t.zero\t";
- ZeroDirectiveSuffix = 0;
- AsciiDirective = "\t.ascii\t";
- AscizDirective = "\t.asciz\t";
- Data8bitsDirective = "\t.byte\t";
- Data16bitsDirective = "\t.short\t";
- Data32bitsDirective = "\t.long\t";
- Data64bitsDirective = "\t.quad\t";
- AlignDirective = "\t.align\t";
- AlignmentIsInBytes = true;
- TextAlignFillValue = 0;
- SwitchToSectionDirective = "\t.section\t";
- TextSectionStartSuffix = "";
- DataSectionStartSuffix = "";
- SectionEndDirectiveSuffix = 0;
- JumpTableDataSection = "\t.section .rodata";
- JumpTableDirective = 0;
- // FIXME: Flags are ELFish - replace with normal section stuff.
- StaticCtorsSection = "\t.section .ctors,\"aw\",@progbits";
- StaticDtorsSection = "\t.section .dtors,\"aw\",@progbits";
- GlobalDirective = "\t.globl\t";
- SetDirective = 0;
- LCOMMDirective = 0;
- COMMDirective = "\t.comm\t";
- COMMDirectiveTakesAlignment = true;
- HasDotTypeDotSizeDirective = true;
- HasSingleParameterDotFile = true;
- UsedDirective = 0;
- WeakRefDirective = 0;
- WeakDefDirective = 0;
- // FIXME: These are ELFish - move to ELFTAI.
- HiddenDirective = "\t.hidden\t";
- ProtectedDirective = "\t.protected\t";
- AbsoluteDebugSectionOffsets = false;
- AbsoluteEHSectionOffsets = false;
- HasLEB128 = false;
- HasDotLocAndDotFile = false;
- SupportsDebugInformation = false;
- SupportsExceptionHandling = false;
- DwarfRequiresFrameSection = true;
- DwarfUsesInlineInfoSection = false;
- Is_EHSymbolPrivate = true;
- GlobalEHDirective = 0;
- SupportsWeakOmittedEHFrame = true;
- DwarfSectionOffsetDirective = 0;
- DwarfAbbrevSection = ".debug_abbrev";
- DwarfInfoSection = ".debug_info";
- DwarfLineSection = ".debug_line";
- DwarfFrameSection = ".debug_frame";
- DwarfPubNamesSection = ".debug_pubnames";
- DwarfPubTypesSection = ".debug_pubtypes";
- DwarfDebugInlineSection = ".debug_inlined";
- DwarfStrSection = ".debug_str";
- DwarfLocSection = ".debug_loc";
- DwarfARangesSection = ".debug_aranges";
- DwarfRangesSection = ".debug_ranges";
- DwarfMacroInfoSection = ".debug_macinfo";
- DwarfEHFrameSection = ".eh_frame";
- DwarfExceptionSection = ".gcc_except_table";
- AsmTransCBE = 0;
-}
-
-TargetAsmInfo::~TargetAsmInfo() {
-}
-
-/// Measure the specified inline asm to determine an approximation of its
-/// length.
-/// Comments (which run till the next SeparatorChar or newline) do not
-/// count as an instruction.
-/// Any other non-whitespace text is considered an instruction, with
-/// multiple instructions separated by SeparatorChar or newlines.
-/// Variable-length instructions are not handled here; this function
-/// may be overloaded in the target code to do that.
-unsigned TargetAsmInfo::getInlineAsmLength(const char *Str) const {
- // Count the number of instructions in the asm.
- bool atInsnStart = true;
- unsigned Length = 0;
- for (; *Str; ++Str) {
- if (*Str == '\n' || *Str == SeparatorChar)
- atInsnStart = true;
- if (atInsnStart && !isspace(*Str)) {
- Length += MaxInstLength;
- atInsnStart = false;
- }
- if (atInsnStart && strncmp(Str, CommentString, strlen(CommentString))==0)
- atInsnStart = false;
- }
-
- return Length;
-}
-
-unsigned TargetAsmInfo::PreferredEHDataFormat() const {
- return dwarf::DW_EH_PE_absptr;
-}
-
-unsigned TargetAsmInfo::getULEB128Size(unsigned Value) {
- unsigned Size = 0;
- do {
- Value >>= 7;
- Size += sizeof(int8_t);
- } while (Value);
- return Size;
-}
-
-unsigned TargetAsmInfo::getSLEB128Size(int Value) {
- unsigned Size = 0;
- int Sign = Value >> (8 * sizeof(Value) - 1);
- bool IsMore;
-
- do {
- unsigned Byte = Value & 0x7f;
- Value >>= 7;
- IsMore = Value != Sign || ((Byte ^ Sign) & 0x40) != 0;
- Size += sizeof(int8_t);
- } while (IsMore);
- return Size;
+TargetAsmInfo::TargetAsmInfo(const TargetMachine &TM) {
+ TLOF = &TM.getTargetLowering()->getObjFileLowering();
+ const TargetData &TD = *TM.getTargetData();
+ IsLittleEndian = TD.isLittleEndian();
+ PointerSize = TD.getPointerSize();
+ const TargetFrameLowering &TFI = *TM.getFrameLowering();
+ StackDir = TFI.getStackGrowthDirection();
+ TRI = TM.getRegisterInfo();
+ TFI.getInitialFrameState(InitialFrameState);
}
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