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Diffstat (limited to 'lib/MC/MCDwarf.cpp')
-rw-r--r--lib/MC/MCDwarf.cpp73
1 files changed, 36 insertions, 37 deletions
diff --git a/lib/MC/MCDwarf.cpp b/lib/MC/MCDwarf.cpp
index 21ccc3e..195bbfe 100644
--- a/lib/MC/MCDwarf.cpp
+++ b/lib/MC/MCDwarf.cpp
@@ -47,7 +47,7 @@ using namespace llvm;
#define DWARF2_LINE_RANGE 14
static inline uint64_t ScaleAddrDelta(MCContext &Context, uint64_t AddrDelta) {
- unsigned MinInsnLength = Context.getAsmInfo().getMinInstAlignment();
+ unsigned MinInsnLength = Context.getAsmInfo()->getMinInstAlignment();
if (MinInsnLength == 1)
return AddrDelta;
if (AddrDelta % MinInsnLength != 0) {
@@ -176,9 +176,9 @@ static inline void EmitDwarfLineTable(MCStreamer *MCOS,
// At this point we want to emit/create the sequence to encode the delta in
// line numbers and the increment of the address from the previous Label
// and the current Label.
- const MCAsmInfo &asmInfo = MCOS->getContext().getAsmInfo();
+ const MCAsmInfo *asmInfo = MCOS->getContext().getAsmInfo();
MCOS->EmitDwarfAdvanceLineAddr(LineDelta, LastLabel, Label,
- asmInfo.getPointerSize());
+ asmInfo->getPointerSize());
LastLine = it->getLine();
LastLabel = Label;
@@ -204,9 +204,9 @@ static inline void EmitDwarfLineTable(MCStreamer *MCOS,
// Switch back the dwarf line section.
MCOS->SwitchSection(context.getObjectFileInfo()->getDwarfLineSection());
- const MCAsmInfo &asmInfo = MCOS->getContext().getAsmInfo();
+ const MCAsmInfo *asmInfo = MCOS->getContext().getAsmInfo();
MCOS->EmitDwarfAdvanceLineAddr(INT64_MAX, LastLabel, SectionEnd,
- asmInfo.getPointerSize());
+ asmInfo->getPointerSize());
}
//
@@ -268,10 +268,10 @@ const MCSymbol *MCDwarfFileTable::EmitCU(MCStreamer *MCOS, unsigned CUID) {
// total length, the 2 bytes for the version, and these 4 bytes for the
// length of the prologue.
MCOS->EmitAbsValue(MakeStartMinusEndExpr(*MCOS, *LineStartSym, *ProEndSym,
- (4 + 2 + 4)), 4, 0);
+ (4 + 2 + 4)), 4);
// Parameters of the state machine, are next.
- MCOS->EmitIntValue(context.getAsmInfo().getMinInstAlignment(), 1);
+ MCOS->EmitIntValue(context.getAsmInfo()->getMinInstAlignment(), 1);
MCOS->EmitIntValue(DWARF2_LINE_DEFAULT_IS_STMT, 1);
MCOS->EmitIntValue(DWARF2_LINE_BASE, 1);
MCOS->EmitIntValue(DWARF2_LINE_RANGE, 1);
@@ -332,7 +332,7 @@ const MCSymbol *MCDwarfFileTable::EmitCU(MCStreamer *MCOS, unsigned CUID) {
EmitDwarfLineTable(MCOS, Sec, Line, CUID);
}
- if (MCOS->getContext().getAsmInfo().getLinkerRequiresNonEmptyDwarfLines()
+ if (MCOS->getContext().getAsmInfo()->getLinkerRequiresNonEmptyDwarfLines()
&& MCLineSectionOrder.begin() == MCLineSectionOrder.end()) {
// The darwin9 linker has a bug (see PR8715). For for 32-bit architectures
// it requires:
@@ -520,8 +520,8 @@ static void EmitGenDwarfAranges(MCStreamer *MCOS,
// Figure the padding after the header before the table of address and size
// pairs who's values are PointerSize'ed.
- const MCAsmInfo &asmInfo = context.getAsmInfo();
- int AddrSize = asmInfo.getPointerSize();
+ const MCAsmInfo *asmInfo = context.getAsmInfo();
+ int AddrSize = asmInfo->getPointerSize();
int Pad = 2 * AddrSize - (Length & (2 * AddrSize - 1));
if (Pad == 2 * AddrSize)
Pad = 0;
@@ -601,8 +601,8 @@ static void EmitGenDwarfInfo(MCStreamer *MCOS,
MCOS->EmitIntValue(0, 4);
}
- const MCAsmInfo &asmInfo = context.getAsmInfo();
- int AddrSize = asmInfo.getPointerSize();
+ const MCAsmInfo *asmInfo = context.getAsmInfo();
+ int AddrSize = asmInfo->getPointerSize();
// The 1 byte size of an address.
MCOS->EmitIntValue(AddrSize, 1);
@@ -729,9 +729,9 @@ static void EmitGenDwarfInfo(MCStreamer *MCOS,
void MCGenDwarfInfo::Emit(MCStreamer *MCOS, const MCSymbol *LineSectionSymbol) {
// Create the dwarf sections in this order (.debug_line already created).
MCContext &context = MCOS->getContext();
- const MCAsmInfo &AsmInfo = context.getAsmInfo();
+ const MCAsmInfo *AsmInfo = context.getAsmInfo();
bool CreateDwarfSectionSymbols =
- AsmInfo.doesDwarfUseRelocationsAcrossSections();
+ AsmInfo->doesDwarfUseRelocationsAcrossSections();
if (!CreateDwarfSectionSymbols)
LineSectionSymbol = NULL;
MCSymbol *AbbrevSectionSymbol = NULL;
@@ -807,9 +807,9 @@ void MCGenDwarfLabelEntry::Make(MCSymbol *Symbol, MCStreamer *MCOS,
static int getDataAlignmentFactor(MCStreamer &streamer) {
MCContext &context = streamer.getContext();
- const MCAsmInfo &asmInfo = context.getAsmInfo();
- int size = asmInfo.getCalleeSaveStackSlotSize();
- if (asmInfo.isStackGrowthDirectionUp())
+ const MCAsmInfo *asmInfo = context.getAsmInfo();
+ int size = asmInfo->getCalleeSaveStackSlotSize();
+ if (asmInfo->isStackGrowthDirectionUp())
return size;
else
return -size;
@@ -823,7 +823,7 @@ static unsigned getSizeForEncoding(MCStreamer &streamer,
default: llvm_unreachable("Unknown Encoding");
case dwarf::DW_EH_PE_absptr:
case dwarf::DW_EH_PE_signed:
- return context.getAsmInfo().getPointerSize();
+ return context.getAsmInfo()->getPointerSize();
case dwarf::DW_EH_PE_udata2:
case dwarf::DW_EH_PE_sdata2:
return 2;
@@ -839,10 +839,10 @@ static unsigned getSizeForEncoding(MCStreamer &streamer,
static void EmitSymbol(MCStreamer &streamer, const MCSymbol &symbol,
unsigned symbolEncoding, const char *comment = 0) {
MCContext &context = streamer.getContext();
- const MCAsmInfo &asmInfo = context.getAsmInfo();
- const MCExpr *v = asmInfo.getExprForFDESymbol(&symbol,
- symbolEncoding,
- streamer);
+ const MCAsmInfo *asmInfo = context.getAsmInfo();
+ const MCExpr *v = asmInfo->getExprForFDESymbol(&symbol,
+ symbolEncoding,
+ streamer);
unsigned size = getSizeForEncoding(streamer, symbolEncoding);
if (streamer.isVerboseAsm() && comment) streamer.AddComment(comment);
streamer.EmitAbsValue(v, size);
@@ -851,10 +851,10 @@ static void EmitSymbol(MCStreamer &streamer, const MCSymbol &symbol,
static void EmitPersonality(MCStreamer &streamer, const MCSymbol &symbol,
unsigned symbolEncoding) {
MCContext &context = streamer.getContext();
- const MCAsmInfo &asmInfo = context.getAsmInfo();
- const MCExpr *v = asmInfo.getExprForPersonalitySymbol(&symbol,
- symbolEncoding,
- streamer);
+ const MCAsmInfo *asmInfo = context.getAsmInfo();
+ const MCExpr *v = asmInfo->getExprForPersonalitySymbol(&symbol,
+ symbolEncoding,
+ streamer);
unsigned size = getSizeForEncoding(streamer, symbolEncoding);
streamer.EmitValue(v, size);
}
@@ -1194,7 +1194,7 @@ const MCSymbol &FrameEmitterImpl::EmitCIE(MCStreamer &streamer,
bool IsSignalFrame,
unsigned lsdaEncoding) {
MCContext &context = streamer.getContext();
- const MCRegisterInfo &MRI = context.getRegisterInfo();
+ const MCRegisterInfo *MRI = context.getRegisterInfo();
const MCObjectFileInfo *MOFI = context.getObjectFileInfo();
bool verboseAsm = streamer.isVerboseAsm();
@@ -1242,7 +1242,7 @@ const MCSymbol &FrameEmitterImpl::EmitCIE(MCStreamer &streamer,
// Code Alignment Factor
if (verboseAsm) streamer.AddComment("CIE Code Alignment Factor");
- streamer.EmitULEB128IntValue(context.getAsmInfo().getMinInstAlignment());
+ streamer.EmitULEB128IntValue(context.getAsmInfo()->getMinInstAlignment());
// Data Alignment Factor
if (verboseAsm) streamer.AddComment("CIE Data Alignment Factor");
@@ -1250,7 +1250,7 @@ const MCSymbol &FrameEmitterImpl::EmitCIE(MCStreamer &streamer,
// Return Address Register
if (verboseAsm) streamer.AddComment("CIE Return Address Column");
- streamer.EmitULEB128IntValue(MRI.getDwarfRegNum(MRI.getRARegister(), true));
+ streamer.EmitULEB128IntValue(MRI->getDwarfRegNum(MRI->getRARegister(), true));
// Augmentation Data Length (optional)
@@ -1290,14 +1290,13 @@ const MCSymbol &FrameEmitterImpl::EmitCIE(MCStreamer &streamer,
// Initial Instructions
- const MCAsmInfo &MAI = context.getAsmInfo();
+ const MCAsmInfo *MAI = context.getAsmInfo();
const std::vector<MCCFIInstruction> &Instructions =
- MAI.getInitialFrameState();
+ MAI->getInitialFrameState();
EmitCFIInstructions(streamer, Instructions, NULL);
// Padding
- streamer.EmitValueToAlignment(IsEH
- ? 4 : context.getAsmInfo().getPointerSize());
+ streamer.EmitValueToAlignment(IsEH ? 4 : MAI->getPointerSize());
streamer.EmitLabel(sectionEnd);
return *sectionStart;
@@ -1327,13 +1326,13 @@ MCSymbol *FrameEmitterImpl::EmitFDE(MCStreamer &streamer,
streamer.EmitLabel(fdeStart);
// CIE Pointer
- const MCAsmInfo &asmInfo = context.getAsmInfo();
+ const MCAsmInfo *asmInfo = context.getAsmInfo();
if (IsEH) {
const MCExpr *offset = MakeStartMinusEndExpr(streamer, cieStart, *fdeStart,
0);
if (verboseAsm) streamer.AddComment("FDE CIE Offset");
streamer.EmitAbsValue(offset, 4);
- } else if (!asmInfo.doesDwarfUseRelocationsAcrossSections()) {
+ } else if (!asmInfo->doesDwarfUseRelocationsAcrossSections()) {
const MCExpr *offset = MakeStartMinusEndExpr(streamer, *SectionStart,
cieStart, 0);
streamer.EmitAbsValue(offset, 4);
@@ -1436,7 +1435,7 @@ void MCDwarfFrameEmitter::Emit(MCStreamer &Streamer,
if (Frame.CompactUnwindEncoding == 0) continue;
if (!SectionEmitted) {
Streamer.SwitchSection(MOFI->getCompactUnwindSection());
- Streamer.EmitValueToAlignment(Context.getAsmInfo().getPointerSize());
+ Streamer.EmitValueToAlignment(Context.getAsmInfo()->getPointerSize());
SectionEmitted = true;
}
Emitter.EmitCompactUnwind(Streamer, Frame);
@@ -1472,7 +1471,7 @@ void MCDwarfFrameEmitter::Emit(MCStreamer &Streamer,
Streamer.EmitLabel(FDEEnd);
}
- Streamer.EmitValueToAlignment(Context.getAsmInfo().getPointerSize());
+ Streamer.EmitValueToAlignment(Context.getAsmInfo()->getPointerSize());
if (FDEEnd)
Streamer.EmitLabel(FDEEnd);
}
generated by cgit v1.1 at 2025-07-03 11:40:01 +0000