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Fix a bug in Darwin EH: FDE->CIE pointer must

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be relocatable.  Describe why .set is needed better.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48848 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dale Johannesen
2008-03-26 23:31:39 +00:00
parent 4d9c9e9d31
commit d9ffd4cb92
2 changed files with 18 additions and 15 deletions
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22
lib/CodeGen/DwarfWriter.cpp
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@@ -925,19 +925,20 @@ public:
void EmitSectionOffset(const char* Label, const char* Section,
unsigned LabelNumber, unsigned SectionNumber,
bool IsSmall = false, bool isEH = false) {
bool IsSmall = false, bool isEH = false,
bool useSet = true) {
bool printAbsolute = false;
if (TAI->needsSet()) {
if (isEH)
printAbsolute = TAI->isAbsoluteEHSectionOffsets();
else
printAbsolute = TAI->isAbsoluteDebugSectionOffsets();
if (TAI->needsSet() && useSet) {
O << "\t.set\t";
PrintLabelName("set", SetCounter, Flavor);
O << ",";
PrintLabelName(Label, LabelNumber);
if (isEH)
printAbsolute = TAI->isAbsoluteEHSectionOffsets();
else
printAbsolute = TAI->isAbsoluteDebugSectionOffsets();
if (!printAbsolute) {
O << "-";
PrintLabelName(Section, SectionNumber);
@@ -953,11 +954,6 @@ public:
PrintLabelName(Label, LabelNumber);
if (isEH)
printAbsolute = TAI->isAbsoluteEHSectionOffsets();
else
printAbsolute = TAI->isAbsoluteDebugSectionOffsets();
if (!printAbsolute) {
O << "-";
PrintLabelName(Section, SectionNumber);
@@ -2919,7 +2915,7 @@ private:
EmitSectionOffset("eh_frame_begin", "eh_frame_common",
EHFrameInfo.Number, EHFrameInfo.PersonalityIndex,
true, true);
true, true, false);
Asm->EOL("FDE CIE offset");
EmitReference("eh_func_begin", EHFrameInfo.Number, true);