/// EndCOFFSymbolDef - Marks the end of the symbol definition.
virtual void EndCOFFSymbolDef() = 0;
+ /// EmitCOFFSecRel32 - Emits a COFF section relative relocation.
+ ///
+ /// @param Symbol - Symbol the section relative realocation should point to.
+ virtual void EmitCOFFSecRel32(MCSymbol const *Symbol) = 0;
+
/// EmitELFSize - Emit an ELF .size directive.
///
/// This corresponds to an assembler statement such as:
const MCSymbol *SectionLabel) const {
// On COFF targets, we have to emit the special .secrel32 directive.
if (const char *SecOffDir = MAI->getDwarfSectionOffsetDirective()) {
- // FIXME: MCize.
- OutStreamer.EmitRawText(SecOffDir + Twine(Label->getName()));
+ OutStreamer.EmitCOFFSecRel32(Label);
return;
}
#endif
//===----------------------------------------------------------------------===//
+// DIESectionOffset Implementation
+//===----------------------------------------------------------------------===//
+
+/// EmitValue - Emit label value.
+///
+void DIESectionOffset::EmitValue(AsmPrinter *AP, unsigned Form) const {
+ AP->EmitSectionOffset (Label, Label);
+}
+
+/// SizeOf - Determine size of label value in bytes.
+///
+unsigned DIESectionOffset::SizeOf(AsmPrinter *AP, unsigned Form) const {
+ if (Form == dwarf::DW_FORM_data4) return 4;
+ return AP->getTargetData().getPointerSize();
+}
+
+#ifndef NDEBUG
+void DIESectionOffset::print(raw_ostream &O) {
+ O << "SecRelLbl: " << Label->getName();
+}
+#endif
+
+//===----------------------------------------------------------------------===//
// DIEDelta Implementation
//===----------------------------------------------------------------------===//
};
//===--------------------------------------------------------------------===//
+ /// DIESectionOffset - A section relative label expression DIE.
+ //
+ class DIESectionOffset : public DIEValue {
+ const MCSymbol *Label;
+ public:
+ explicit DIESectionOffset(const MCSymbol *L) : DIEValue(isSectionOffset),
+ Label(L) {}
+
+ /// EmitValue - Emit label value.
+ ///
+ virtual void EmitValue(AsmPrinter *AP, unsigned Form) const;
+
+ /// getValue - Get MCSymbol.
+ ///
+ const MCSymbol *getValue() const { return Label; }
+
+ /// SizeOf - Determine size of label value in bytes.
+ ///
+ virtual unsigned SizeOf(AsmPrinter *AP, unsigned Form) const;
+
+ // Implement isa/cast/dyncast.
+ static bool classof(const DIELabel *) { return true; }
+ static bool classof(const DIEValue *L) { return L->getType() == isSectionOffset; }
+
+#ifndef NDEBUG
+ virtual void print(raw_ostream &O);
+#endif
+ };
+
+ //===--------------------------------------------------------------------===//
/// DIEDelta - A simple label difference DIE.
///
class DIEDelta : public DIEValue {
Die->addValue(Attribute, Form, Value);
}
+/// addSectionOffset - Add a Dwarf section relative label attribute data and
+/// value.
+///
+void DwarfDebug::addSectionOffset(DIE *Die, unsigned Attribute, unsigned Form,
+ const MCSymbol *Label) {
+ DIEValue *Value = new (DIEValueAllocator) DIESectionOffset(Label);
+ Die->addValue(Attribute, Form, Value);
+}
+
/// addDelta - Add a label delta attribute data and value.
///
void DwarfDebug::addDelta(DIE *Die, unsigned Attribute, unsigned Form,
// DW_AT_stmt_list is a offset of line number information for this
// compile unit in debug_line section.
if (Asm->MAI->doesDwarfUsesAbsoluteLabelForStmtList())
- addLabel(Die, dwarf::DW_AT_stmt_list, dwarf::DW_FORM_addr,
- Asm->GetTempSymbol("section_line"));
+ addSectionOffset(Die, dwarf::DW_AT_stmt_list, dwarf::DW_FORM_addr,
+ Asm->GetTempSymbol("section_line"));
else
addUInt(Die, dwarf::DW_AT_stmt_list, dwarf::DW_FORM_data4, 0);
void addLabel(DIE *Die, unsigned Attribute, unsigned Form,
const MCSymbol *Label);
+ /// addSectionOffset - Add a Dwarf section relative label attribute data and
+ /// value.
+ ///
+ void addSectionOffset(DIE *Die, unsigned Attribute, unsigned Form,
+ const MCSymbol *Label);
+
/// addDelta - Add a label delta attribute data and value.
///
void addDelta(DIE *Die, unsigned Attribute, unsigned Form,
HasLEB128 = true; // Target asm supports leb128 directives (little-endian)
SupportsDebugInformation = true;
DwarfSectionOffsetDirective = "\t.secrel32\t";
+ DwarfUsesAbsoluteLabelForStmtList = false;
HasMicrosoftFastStdCallMangling = true;
}
virtual void EmitCOFFSymbolStorageClass(int StorageClass);
virtual void EmitCOFFSymbolType(int Type);
virtual void EndCOFFSymbolDef();
+ virtual void EmitCOFFSecRel32(MCSymbol const *Symbol);
virtual void EmitELFSize(MCSymbol *Symbol, const MCExpr *Value);
virtual void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
unsigned ByteAlignment);
EmitEOL();
}
+void MCAsmStreamer::EmitCOFFSecRel32(MCSymbol const *Symbol) {
+ OS << "\t.secrel32\t" << *Symbol << '\n';
+ EmitEOL();
+}
+
void MCAsmStreamer::EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) {
assert(MAI.hasDotTypeDotSizeDirective());
OS << "\t.size\t" << *Symbol << ", " << *Value << '\n';
assert(0 && "ELF doesn't support this directive");
}
+ virtual void EmitCOFFSecRel32(MCSymbol const *Symbol) {
+ assert(0 && "ELF doesn't support this directive");
+ }
+
virtual void EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) {
MCSymbolData &SD = getAssembler().getOrCreateSymbolData(*Symbol);
SD.setSize(Value);
return Child->EndCOFFSymbolDef();
}
+ virtual void EmitCOFFSecRel32(MCSymbol const *Symbol) {
+ LogCall("EndCOFFSymbolDef");
+ return Child->EmitCOFFSecRel32(Symbol);
+ }
+
virtual void EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) {
LogCall("EmitELFSize");
return Child->EmitELFSize(Symbol, Value);
virtual void EndCOFFSymbolDef() {
assert(0 && "macho doesn't support this directive");
}
+ virtual void EmitCOFFSecRel32(MCSymbol const *Symbol) {
+ assert(0 && "macho doesn't support this directive");
+ }
virtual void EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) {
assert(0 && "macho doesn't support this directive");
}
virtual void EmitCOFFSymbolStorageClass(int StorageClass) {}
virtual void EmitCOFFSymbolType(int Type) {}
virtual void EndCOFFSymbolDef() {}
+ virtual void EmitCOFFSecRel32(MCSymbol const *Symbol) {}
virtual void EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) {}
virtual void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
virtual void EndCOFFSymbolDef() {
report_fatal_error("unsupported directive in pure streamer");
}
+ virtual void EmitCOFFSecRel32(MCSymbol const *Symbol) {
+ report_fatal_error("unsupported directive in pure streamer");
+ }
virtual void EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) {
report_fatal_error("unsupported directive in pure streamer");
}
else
llvm_unreachable("unsupported relocation type");
break;
+ case X86::reloc_coff_secrel32:
+ Reloc.Data.Type = Is64Bit ? COFF::IMAGE_REL_AMD64_SREL32
+ : COFF::IMAGE_REL_I386_SECREL;
+ break;
default:
llvm_unreachable("unsupported relocation type");
}
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
+
+#include "../Target/X86/X86FixupKinds.h"
+
using namespace llvm;
namespace {
virtual void EmitCOFFSymbolStorageClass(int StorageClass);
virtual void EmitCOFFSymbolType(int Type);
virtual void EndCOFFSymbolDef();
+ virtual void EmitCOFFSecRel32(MCSymbol const *Symbol);
virtual void EmitELFSize(MCSymbol *Symbol, const MCExpr *Value);
virtual void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
unsigned ByteAlignment);
CurSymbol = NULL;
}
+void WinCOFFStreamer::EmitCOFFSecRel32(MCSymbol const *Symbol)
+{
+ MCDataFragment *DF = getOrCreateDataFragment();
+
+ DF->addFixup(MCFixup::Create(DF->getContents().size(),
+ MCSymbolRefExpr::Create (Symbol, getContext ()),
+ (MCFixupKind)X86::reloc_coff_secrel32));
+ DF->getContents().resize(DF->getContents().size() + 4, 0);
+}
+
void WinCOFFStreamer::EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) {
llvm_unreachable("not implemented");
}
getCurrentSectionData()->setHasInstructions(true);
+ // Now that a machine instruction has been assembled into this section, make
+ // a line entry for any .loc directive that has been seen.
+ MCLineEntry::Make(this, getCurrentSection());
+
MCInstFragment *Fragment =
new MCInstFragment(Instruction, getCurrentSectionData());
virtual void EmitCOFFSymbolStorageClass(int StorageClass);
virtual void EmitCOFFSymbolType(int Type);
virtual void EndCOFFSymbolDef();
+ virtual void EmitCOFFSecRel32(MCSymbol const *Symbol);
virtual void EmitELFSize(MCSymbol *Symbol, const MCExpr *Value);
virtual void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
unsigned ByteAlignment);
void PTXMCAsmStreamer::EndCOFFSymbolDef() {}
+void PTXMCAsmStreamer::EmitCOFFSecRel32(MCSymbol const *Symbol) {}
+
void PTXMCAsmStreamer::EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) {}
void PTXMCAsmStreamer::EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
case X86::reloc_riprel_4byte_movq_load:
case X86::reloc_signed_4byte:
case X86::reloc_global_offset_table:
+ case X86::reloc_coff_secrel32:
case FK_Data_4: return 2;
case FK_PCRel_8:
case FK_Data_8: return 3;
{ "reloc_riprel_4byte", 0, 4 * 8, MCFixupKindInfo::FKF_IsPCRel },
{ "reloc_riprel_4byte_movq_load", 0, 4 * 8, MCFixupKindInfo::FKF_IsPCRel},
{ "reloc_signed_4byte", 0, 4 * 8, 0},
- { "reloc_global_offset_table", 0, 4 * 8, 0}
+ { "reloc_global_offset_table", 0, 4 * 8, 0},
+ { "reloc_coff_secrel32", 0, 4 * 8, 0}
};
if (Kind < FirstTargetFixupKind)
reloc_global_offset_table, // 32-bit, relative to the start
// of the instruction. Used only
// for _GLOBAL_OFFSET_TABLE_.
+ reloc_coff_secrel32, // PE-COFF section relative 32
+ // (only valid for win32 COFF)
// Marker
LastTargetFixupKind,
NumTargetFixupKinds = LastTargetFixupKind - FirstTargetFixupKind
AssemblerDialect = AsmWriterFlavor;
TextAlignFillValue = 0x90;
+
+ // Debug Information
+ SupportsDebugInformation = true;
}