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For COFF only: dwarf debug info output a label reference as a section relative item only when it's one of dw_from strp, sec_offset, ref_addr or op_call_ref instead of going by size.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188296 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Carlo Kok 2013-08-13 17:45:53 +00:00
parent a036a31d94
commit e05a304e5a
3 changed files with 10 additions and 6 deletions
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8
include/llvm/CodeGen/AsmPrinter.h
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@ -359,13 +359,15 @@ namespace llvm {
/// where the size in bytes of the directive is specified by Size and Label
/// specifies the label. This implicitly uses .set if it is available.
void EmitLabelPlusOffset(const MCSymbol *Label, uint64_t Offset,
unsigned Size) const;
unsigned Size,
bool IsSectionRelative = false) const;
/// EmitLabelReference - Emit something like ".long Label"
/// where the size in bytes of the directive is specified by Size and Label
/// specifies the label.
void EmitLabelReference(const MCSymbol *Label, unsigned Size) const {
EmitLabelPlusOffset(Label, 0, Size);
void EmitLabelReference(const MCSymbol *Label, unsigned Size,
bool IsSectionRelative = false) const {
EmitLabelPlusOffset(Label, 0, Size, IsSectionRelative);
}
//===------------------------------------------------------------------===//

4
lib/CodeGen/AsmPrinter/AsmPrinter.cpp
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@ -1415,9 +1415,9 @@ void AsmPrinter::EmitLabelOffsetDifference(const MCSymbol *Hi, uint64_t Offset,
/// where the size in bytes of the directive is specified by Size and Label
/// specifies the label. This implicitly uses .set if it is available.
void AsmPrinter::EmitLabelPlusOffset(const MCSymbol *Label, uint64_t Offset,
unsigned Size)
unsigned Size, bool IsSectionRelative)
const {
if (MAI->needsDwarfSectionOffsetDirective() && Size == 4) { // secrel32 ONLY works for 32bits.
if (MAI->needsDwarfSectionOffsetDirective() && IsSectionRelative) {
OutStreamer.EmitCOFFSecRel32(Label);
return;
}

4
lib/CodeGen/AsmPrinter/DIE.cpp
View File

@ -293,7 +293,9 @@ void DIEExpr::print(raw_ostream &O) const {
/// EmitValue - Emit label value.
///
void DIELabel::EmitValue(AsmPrinter *AP, uint16_t Form) const {
AP->EmitLabelReference(Label, SizeOf(AP, Form));
AP->EmitLabelReference(Label, SizeOf(AP, Form), Form == dwarf::DW_FORM_strp
|| Form == dwarf::DW_FORM_sec_offset || Form == dwarf::DW_OP_call_ref
|| Form == dwarf::DW_FORM_ref_addr);
}
/// SizeOf - Determine size of label value in bytes.