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Teach DIEInteger to emit FORM_strp and FORM_ref_addr attributes.

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To be used/tested by llvm-dsymutil. (llvm-dsymutil does a 'static' link,
no need for relocations for most things, so it'll just emit raw integers
for most attributes)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231298 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Frederic Riss 2015-03-04 22:07:36 +00:00
parent c7e4df3846
commit 13d5de32ac
1 changed files with 10 additions and 0 deletions
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10
lib/CodeGen/AsmPrinter/DIE.cpp
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@ -218,6 +218,7 @@ void DIEInteger::EmitValue(const AsmPrinter *Asm, dwarf::Form Form) const {
case dwarf::DW_FORM_ref2: // Fall thru
case dwarf::DW_FORM_data2: Size = 2; break;
case dwarf::DW_FORM_sec_offset: // Fall thru
case dwarf::DW_FORM_strp: // Fall thru
case dwarf::DW_FORM_ref4: // Fall thru
case dwarf::DW_FORM_data4: Size = 4; break;
case dwarf::DW_FORM_ref8: // Fall thru
@ -229,6 +230,9 @@ void DIEInteger::EmitValue(const AsmPrinter *Asm, dwarf::Form Form) const {
case dwarf::DW_FORM_sdata: Asm->EmitSLEB128(Integer); return;
case dwarf::DW_FORM_addr:
Size = Asm->getDataLayout().getPointerSize(); break;
case dwarf::DW_FORM_ref_addr:
Size = SizeOf(Asm, dwarf::DW_FORM_ref_addr);
break;
default: llvm_unreachable("DIE Value form not supported yet");
}
Asm->OutStreamer.EmitIntValue(Integer, Size);
@ -245,6 +249,7 @@ unsigned DIEInteger::SizeOf(const AsmPrinter *AP, dwarf::Form Form) const {
case dwarf::DW_FORM_ref2: // Fall thru
case dwarf::DW_FORM_data2: return sizeof(int16_t);
case dwarf::DW_FORM_sec_offset: // Fall thru
case dwarf::DW_FORM_strp: // Fall thru
case dwarf::DW_FORM_ref4: // Fall thru
case dwarf::DW_FORM_data4: return sizeof(int32_t);
case dwarf::DW_FORM_ref8: // Fall thru
@ -255,6 +260,11 @@ unsigned DIEInteger::SizeOf(const AsmPrinter *AP, dwarf::Form Form) const {
case dwarf::DW_FORM_udata: return getULEB128Size(Integer);
case dwarf::DW_FORM_sdata: return getSLEB128Size(Integer);
case dwarf::DW_FORM_addr: return AP->getDataLayout().getPointerSize();
case dwarf::DW_FORM_ref_addr:
if (AP->OutStreamer.getContext().getDwarfVersion() == 2)
return AP->getDataLayout().getPointerSize();
return sizeof(int32_t);
break;
default: llvm_unreachable("DIE Value form not supported yet");
}
}